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Sökning: WFRF:(Nordenskjöld Agneta)

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1.
  • Nordenskjöld, Agneta, et al. (författare)
  • Medfödda missbildningar-Genetik och Klinik.
  • 2012
  • Ingår i: Barnmedicin, (red) K.Hanseus, H.Lagercrantz, T. Lindberg.. - Lund : Studentlitteratur. - 9789144076096 ; , s. 227-240
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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2.
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3.
  • Winberg, Johanna, et al. (författare)
  • Mutation Screening and Array Comparative Genomic Hybridization Using a 180K Oligonucleotide Array in VACTERL Association
  • 2014
  • Ingår i: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 9:1, s. e85313-
  • Tidskriftsartikel (refereegranskat)abstract
    • In order to identify genetic causes of VACTERL association (V vertebral defects, A anorectal malformations, C cardiac defects, T tracheoesofageal fistula, E esophageal atresia, R renal anomalies, L limb deformities), we have collected DNA samples from 20 patients diagnosed with VACTERL or with a VACTERL-like phenotype as well as samples from 19 aborted fetal cases with VACTERL. To investigate the importance of gene dose alterations in the genetic etiology of VACTERL association we have performed a systematic analysis of this cohort using a 180K array comparative genomic hybridization (array-CGH) platform. In addition, to further clarify the significance of PCSK5, HOXD13 and CHD7 genes in the VACTERL phenotype, mutation screening has been performed. We identified pathogenic gene dose imbalances in two fetal cases; a hemizygous deletion of the FANCB gene and a (9;18)(p24;q12) unbalanced translocation. In addition, one pathogenic mutation in CHD7 was detected, while no apparent disease-causing mutations were found in HOXD13 or PCSK5. Our study shows that although large gene dose alterations do not seem to be a common cause in VACTERL association, array-CGH is still important in clinical diagnostics to identify disease cause in individual cases.
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4.
  • Adell, Gunnar, 1953-, et al. (författare)
  • Decreased tumor cell proliferation as an indicator of the effect of preoperative radiotherapy of rectal cancer
  • 2001
  • Ingår i: International Journal of Radiation Oncology, Biology, Physics. - 0360-3016 .- 1879-355X. ; 50:3, s. 659-663
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Rectal cancer is a common malignancy, with significant local recurrence and death rates. Preoperative radiotherapy and refined surgical technique can improve local control rates and disease-free survival.PURPOSE: To investigate the relationship between the tumor growth fraction in rectal cancer measured with Ki-67 and the outcome, with and without short-term preoperative radiotherapy.Method: Ki-67 (MIB-1) immunohistochemistry was used to measure tumor cell proliferation in the preoperative biopsy and the surgical specimen.MATERIALS: Specimens from 152 patients from the Southeast Swedish Health Care region were included in the Swedish rectal cancer trial 1987-1990.RESULTS: Tumors with low proliferation treated with preoperative radiotherapy had a significantly reduced recurrence rate. The influence on death from rectal cancer was shown only in the univariate analysis. Preoperative radiotherapy of tumors with high proliferation did not significantly improve local control and disease-free survival. The interaction between Ki-67 status and the benefit of radiotherapy was significant for the reduced recurrence rate (p = 0.03), with a trend toward improved disease-free survival (p = 0.08). In the surgery-alone group, Ki-67 staining did not significantly correlate with local recurrence or survival rates.CONCLUSION: Many Ki-67 stained tumor cells in the preoperative biopsy predicts an increased treatment failure rate after preoperative radiotherapy of rectal cancer.
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5.
  • Arkani, Samara, et al. (författare)
  • Evaluation of the ISL1 gene in the pathogenesis of bladder exstrophy in a Swedish cohort
  • 2018
  • Ingår i: Human genome variation. - : Springer Nature. - 2054-345X. ; 5:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Bladder exstrophy is a congenital closure defect of the urinary bladder with a profound effect on morbidity. Although the malformation is usually sporadic, a genetic background is supported by an increased recurrence risk in relatives, higher concordance rates in monozygotic twins and several associated chromosomal aberrations. Recently, the ISL1 gene was presented as a candidate gene for bladder exstrophy and epispadias complex (BEEC) development in two different studies. In our study, we screened for genetic variants in the ISL1 gene in DNA from 125 Swedish patients using Sanger sequencing and array-CGH analysis. In addition, we evaluated ISL1 expression in RNA of human bladder during embryonic and fetal weeks 5–10 relative to that in lung tissue (week 9). In total, 21 single-nucleotide variants were identified, including a potentially novel missense variant, c.137C>G p.(Ala46Gly), substituting a conserved amino acid. This variant was inherited from an unaffected mother. No structural variants were identified. RNA sequencing revealed ISL1 mRNA expression during the critical time frame of human bladder development. In conclusion, we did not detect any known or likely pathogenic variants in the ISL1 gene in 125 Swedish BEEC patients, indicating that variation in the ISL1 gene is not a common genetic mechanism of BEEC development in the Swedish population.
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6.
  • Aschim, Elin L, et al. (författare)
  • The RsaI polymorphism in the ER{beta} gene is associated with male infertility.
  • 2005
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 90:Jul 5, s. 5343-5348
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Hypospadias, cryptorchidism, testicular cancer, and low semen quality have been proposed as being parts of the testicular dysgenesis syndrome (TDS) hypothetically due to changes in the androgen- estrogen balance in utero. Estrogens and estrogen receptors (ERs) play a role in regulating testicular function. ER beta contains two silent polymorphisms, RsaI (G1082A) and AluI (G1730A). Objective: We investigated the significance of these polymorphisms in the etiology of disorders being part of TDS. Setting: The patients were recruited consecutively through university hospital clinics. Participants: Four groups of Caucasian patients were included: 106 men from infertile couples with a sperm concentration less than 5 x 106 spermatozoa/ ml, 86 testicular cancer patients, 51 boys with hypospadias, and 23 cases with cryptorchidism. Military conscripts (n = 186) with sperm concentration higher than 5 x 10(6) spermatozoa/ ml served as controls. Main Outcome Measures: ER beta polymorphisms RsaI and AluI were determined by allele-specific PCR. In addition, reproductive hormone analyses were performed in controls and infertile men. Results: Compared with the controls, the frequency of the heterozygous RsaI AG-genotype was three times higher in infertile men (13.2 vs. 4.3%; P = 0.01). The heterozygous RsaI AG-genotype was associated with an approximately 20% reduction in LH concentration, compared with the wild-type RsaI GG genotype in both controls and infertile men. Subjects with testicular cancer, hypospadias, or cryptorchidism did not differ from controls regarding the frequency of any of the polymorphisms. Conclusions: Polymorphisms in ER beta may have modulating effects on human spermatogenesis. The phenotype of TDS seems to be, at least partly, determined by the genotype.
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7.
  • Bartik, Zsuzsa, et al. (författare)
  • Hereditary Vesicoureteral Reflux: A Study of 66 Families
  • 2015
  • Ingår i: Open Journal of Pediatrics. - : Scientific Research Publishing, Inc.. - 2160-8741 .- 2160-8776. ; 2015:5, s. 304-313
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: We studied the inheritance pattern, clinical features and outcome in children with vesicoureteral reflux (VUR). Characteristics of known familial VUR cases were also compared with those of sporadic VUR. Material and Methods: 726 patients were treated for VUR between 1990-2004. The families were contacted by letter inquiring if other members of the family were affected. The phenotype of all cases (familial and non-familial) was characterized in terms of presenting symptoms, reflux grade, recurrent urinary tract infections, kidney damage, and the natural course of reflux. Results: The response rate was 79%. A total of 99 individuals (22%) reported relatives with VUR. Since some of the 99 index cases belonged to the same family, the total number of families was ultimately 66. The distribution of relatives with VUR was: 38 siblings, 20 parents (15 mothers), 19 cousins, 15 aunts/uncles and 12 grandparents. The phenotype of VUR did not differ between familial and non-familial cases. However, VUR among relatives was of milder grade than index and sporadic cases. Conclusions: The proportion of hereditary reflux in our material was lower than in other studies (22%). We found a strong overrepresentation of maternal transmission of reflux. Severity of the disease did not differ between familial and non-familial VUR.
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8.
  • Butwicka, Agnieszka, et al. (författare)
  • Hypospadias and increased risk for neurodevelopmental disorders
  • 2014
  • Ingår i: Journal of Child Psychology and Psychiatry. - Stockholm : Karolinska Institutet, Dept of Medical Epidemiology and Biostatistics. - 0021-9630 .- 1469-7610.
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Hypospadias (aberrant opening of the urethra on the underside of the penis) occurs in 1 per 300 newborn boys. It has been previously unknown whether this common malformation is associated with increased psychiatric morbidity later in life. Studies of individuals with hypospadias also provide an opportunity to examine whether difference in androgen signaling is related to neurodevelopmental disorders. To elucidate the mechanisms behind a possible association, we also studied psychiatric outcomes among brothers of the hypospadias patients. METHODS: Registry study within a national cohort of all 9,262 males with hypospadias and their 4,936 healthy brothers born in Sweden between 1973 and 2009. Patients with hypospadias and their brothers were matched with controls by year of birth and county. The following outcomes were evaluated (1) any psychiatric (2) psychotic, (3) mood, (4) anxiety, (5) eating, and (6) personality disorders, (7) substance misuse, (8) attention-deficit hyperactivity disorder (ADHD), (9) autism spectrum disorders (ASD), (10) intellectual disability, and (11) other behavioral/emotional disorders with onset in childhood. RESULTS: Patients with hypospadias were more likely to be diagnosed with intellectual disability (OR 3.2; 95% CI 2.8-3.8), ASD (1.4; 1.2-1.7), ADHD (1.5; 1.3-1.9), and behavioral/emotional disorders (1.4; 1.2-1.6) compared with the controls. Brothers of patients with hypospadias had an increased risk of ASD (1.6; 1.3-2.1) and other behavioral/emotional disorders with onset in childhood (1.2; 0.9-1.5) in comparison to siblings of healthy individuals. A slightly higher, although not statistically significant, risk was found for intellectual disability (1.3; 1.0-1.9). No relation between other psychiatric diagnosis and hypospadias was found. CONCLUSIONS: This is the first study to identify an increased risk for neurodevelopmental disorders in patients with hypospadias, as well as an increased risk for ASD in their brothers, suggesting a common familial (genetic and/or environmental) liability.
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9.
  • Engberg, Hedvig, et al. (författare)
  • Congenital adrenal hyperplasia and risk for psychiatric disorders in girls and women born between 1915 and 2010: A total population study.
  • 2015
  • Ingår i: Psychoneuroendocrinology. - : Elsevier BV. - 1873-3360 .- 0306-4530. ; 60, s. 195-205
  • Tidskriftsartikel (refereegranskat)abstract
    • Congenital adrenal hyperplasia (CAH) is a chronic condition and individuals are exposed to elevated androgen levels in utero as a result of the endogenous cortisol deficiency. Prenatal androgen exposure has been suggested to influence mental health, but population based studies on psychiatric morbidity among girls and women with CAH are lacking. Therefore, we performed a cohort study based on Swedish nationwide registers linked with the national CAH register. Girls and women with CAH due to 21-hydroxylase deficiency (n=335) born between January 1915 and January 2010 were compared with aged-matched female (n=33500) and male controls (n=33500). Analyses were stratified by phenotype [salt wasting (SW), simple virilizing (SV), and non-classical type (NC)] and by CYP21A2 genotype subgroups (null, I2splice, I172N, and P30L). Results are presented as estimated risks (OR, 95%CI) of psychiatric disorders among girls and women with CAH compared with age-matched controls. Any psychiatric diagnoses were more common in CAH females compared with female and male population controls [1.9 (1.4-2.5), and 2.2 (1.7-2.9)]. In particular, the risk of alcohol misuse was increased compared with female and male population controls [2.8 (1.7-4.7) and 2.1 (1.2-3.5)], and appeared most common among the girls and women with the most severe null genotype [6.7 (2.6-17.8)]. The risk of stress and adjustment disorders was doubled compared with female population controls [2.1 (1.3-3.6)]. Girls and women with CAH have an increased risk of psychiatric disorders in general and substance use disorders in particular compared with unexposed females, with the highest risk among those with the most severe genotype. Prenatal androgen exposure and deficient endogenous cortisol and/or adrenaline production may provide explanations for these findings, but other factors related to CAH cannot be excluded.
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10.
  • Fadista, João, et al. (författare)
  • Genome-wide association study of Hirschsprung disease detects a novel low-frequency variant at the RET locus.
  • 2018
  • Ingår i: European Journal of Human Genetics. - : Springer Science and Business Media LLC. - 1018-4813 .- 1476-5438. ; 26:4, s. 561-569
  • Tidskriftsartikel (refereegranskat)abstract
    • ; 322 cases and 4893 controls). The conditional signal was, however, not replicated in two HSCR cohorts from USA and Finland, leading to the hypothesis that rs144432435 tags a rare haplotype present in Denmark and Sweden. Using the genome-wide complex trait analysis method, we estimated the SNP heritability of HSCR to be 88%, close to estimates based on classical family studies. Moreover, by using Lasso (least absolute shrinkage and selection operator) regression we were able to construct a genetic HSCR predictor with a area under the receiver operator characteristics curve of 76% in an independent validation set. In conclusion, we combined the largest collection of sporadic Hirschsprung cases to date (586 cases) to further elucidate HSCR's genetic architecture.
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11.
  • Fadista, João, et al. (författare)
  • Genome-wide meta-analysis identifies BARX1 and EML4-MTA3 as new loci associated with infantile hypertrophic pyloric stenosis.
  • 2019
  • Ingår i: Human Molecular Genetics. - : Oxford University Press (OUP). - 0964-6906 .- 1460-2083. ; 28:2, s. 332-340
  • Tidskriftsartikel (refereegranskat)abstract
    • Infantile hypertrophic pyloric stenosis (IHPS) is a disorder of young infants with a population incidence of ∼2/1000 live births, caused by hypertrophy of the pyloric sphincter smooth muscle. Reported genetic loci associated with IHPS explain only a minor proportion of IHPS risk. To identify new risk loci, we carried out a genome-wide meta-analysis on 1395 surgery-confirmed cases and 4438 controls, with replication in a set of 2427 cases and 2524 controls. We identified and replicated six independent genomic loci associated with IHPS risk at genome wide significance (P < 5 × 10-8), including novel associations with two single nucleotide polymorphisms (SNPs). One of these SNPs, rs6736913 [odds ratio (OR) = 2.32; P = 3.0 × 10-15], is a low frequency missense variant in EML4 at 2p21. The second SNP, rs1933683 (OR = 1.34; P = 3.1 × 10-9) is 1 kb downstream of BARX1 at 9q22.32, an essential gene for stomach formation in embryogenesis. Using the genome-wide complex trait analysis method, we estimated the IHPS SNP heritability to be 30%, and using the linkage disequilibrium score regression method, we found support for a previously reported genetic correlation of IHPS with lipid metabolism. By combining the largest collection of IHPS cases to date (3822 cases), with results generalized across populations of different ancestry, we elucidate novel mechanistic avenues of IHPS disease architecture.
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12.
  • Falhammar, H, et al. (författare)
  • Fractures and Bone Mineral Density in Adult Women with 21-Hydroxylase Deficiency.
  • 2007
  • Ingår i: J Endocrinol Metab. - : The Endocrine Society. - 0021-972X .- 1945-7197.
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Patients with classic congenital adrenal hyperplasia (CAH) receive lifelong, often supraphysiological, glucocorticoid therapy. Pharmacologic doses of glucocorticoids are an established risk factor for osteoporosis. Objectives: To evaluate bone mineral density (BMD), fracture prevalence and markers of bone metabolism in adult females with CAH. Design: This was a cross-sectional observational study. Setting: Tertiary care referral centers. Participants: We studied 61 women, aged 18-63 years, with genetically verified CAH due to 21-hydroxylase deficiency. They were patients with salt-wasting (n = 27), simple virilising (n = 28) and non-classic 21-hydroxylase deficiency (n = 6). Sixty-one age-matched women were controls. Main outcome measures: History of fractures was recorded. Total body, lumbar spine and femoral neck BMD were measured by dual-energy X-ray absorptiometry. The WHO criteria for osteopenia and osteoporosis were used. Serum marker of bone resorption, beta-C telopeptide (CTX) was studied. Results: The mean glucocorticoid dose in hydrocortisone equivalents was 16.9 +/- 0.9 mg/m(2). Patients had lower BMD than controls at all measured sites (P < 0.001). In patients < 30 years old 48% were osteopenic vs 12% in controls (P < 0.009). In patients >/= 30 years old 73% were osteopenic or osteoporotic vs 21% in controls (P < 0.001). BMD was similar in the two classic forms and had no obvious relationship to genotypes. CTX was decreased in older patients. More fractures were reported in patients than controls (P < 0.001). The number of vertebrae and wrist fractures almost reached significance (P = 0.058). Conclusion: Women with CAH have low BMD and increased fracture risk. BMD should be monitored, adequate prophylaxis and treatment instituted, and glucocorticoid doses optimized from puberty.
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13.
  • Falhammar, Henrik, et al. (författare)
  • Increased cardiovascular and metabolic morbidity in patients with 21-hydroxylase deficiency : a Swedish population-based national cohort study
  • 2015
  • Ingår i: The Journal of Clinical Endocrinology & Metabolism. - Stockholm : Karolinska Institutet, Dept of Medical Epidemiology and Biostatistics. - 0021-972X. ; 100:9, s. 3520-3528
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: Congenital adrenal hyperplasia (CAH) is lethal in its most severe forms if not treated with glucocorticoids. However, glucocorticoids may increase the risk of cardiovascular and metabolic morbidity. OBJECTIVE: This study aimed to study cardiovascular and metabolic morbidity in CAH. DESIGN, SETTING, AND PARTICIPANTS: Patients with CAH due to 21-hydroxylase deficiency (n = 588; >80% with known CYP21A2 mutations) were compared with controls matched for sex, year, and place of birth (n = 58 800). Data were obtained by linking national population-based registers. Subgroup analyses were performed regarding sex, clinical severity (salt wasting, simple virilizing, nonclassic), CYP21A2 genotype (null, I2 splice, I172N, P30L), and stratified by the introduction of neonatal screening, age groups, and nonobesity. MAIN OUTCOME MEASURES: To study cardiovascular and metabolic morbidity in CAH. RESULTS: In CAH, both any cardiovascular and metabolic disorders (OR [odds ratio], 3.9; 95% CI [confidence interval], 3.1-5.0), and cardiovascular disease (OR, 2.7; 95% CI, 1.9-3.9) were increased. Separate analyses of the individual diseases showed higher frequencies in CAH of hypertension, hyperlipidemia, atrial fibrillation, venous thromboembolism, obesity, diabetes (mainly type 2), obstructive sleep disorder, thyrotoxicosis, and hypothyroidism. Similar results were seen in the stratified groups. On the subgroup level, females were generally more affected (especially I172N and the nonclassic group), as were males with the null genotype. CONCLUSIONS: CAH was associated with excess cardiovascular and metabolic morbidity but the mechanism is not certain as the glucocorticoids were not assessed. Hypothyroidism and obesity may be an effect of close observation. However, more severe conditions were presumably detected equally in patients and controls. Screening for diabetes and other metabolic disorders that increase cardiovascular risk is important.
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14.
  • Falhammar, Henrik, et al. (författare)
  • Increased liver enzymes in adult women with congenital adrenal hyperplasia due to 21-hydroxylase deficiency.
  • 2009
  • Ingår i: Endocrine journal. - 1348-4540. ; 56:4, s. 601-8
  • Tidskriftsartikel (refereegranskat)abstract
    • The aims were assessing liver function tests (LFT) in women with congenital adrenal hyperplasia (CAH) on glucocorticoids. Sixty-one women with genetically verified CAH due to 21-hydroxylase deficiency, aged 18-63 years were compared to 61 controls. Serum alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartate aminotransferase (AST) and gamma-glutamyl transpeptidase (GGT), anthropometry and fat mass (dual energy X-ray absorptiometry) were measured. ALT and GGT were higher in the entire patient group (p=0.01 and 0.002); AST, GGT and ALP in patients > or =30 years (p=0.007-0.045); all LFT in salt-wasting (p<0.001-0.042); GGT in simple virilizing (p=0.008); ALT, GGT and ALP in Null/Null genotype (p=0.018-0.040); ALT and GGT in I2splice genotype (p<0.001 and 0.011). Using a recently proposed cut-off level for ALT (>0.317 microkat/L), 54% of patients vs 23% of controls had elevated levels (p=0.028). In patients, GGT and ALP correlated with waist circumference and with total body and trunk fat (r=0.274-0.406, p=0.001-0.043). However, ALT, GGT and ALP were increased even in non-obese patients (waist circumference < or =88 cm and body mass index <30 kg/m(2)) (p=0.012-0.045) mainly attributed to the patients > or =30 years who also demonstrated elevated insulin levels and HOMA-indices. In conclusion, compared with controls, women with CAH have higher LFT, in particular patients > or =30 years and those with severe forms, probably reflecting a higher lifetime glucocorticoid exposure. LFT were positively correlated to measurements of body fat. These women might have increased frequency of NAFLD. The finding of higher LFT also in non-obese patients suggests that not only central obesity but also glucocorticoids per se may influence.
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15.
  • Falhammar, Henrik, et al. (författare)
  • Increased mortality in patients with congenital adrenal hyperplasia due to 21-hydroxylase deficiency
  • 2014
  • Ingår i: The Journal of Clinical Endocrinology & Metabolism. - Stockholm : Karolinska Institutet, Dept of Medical Epidemiology and Biostatistics. - 0021-972X .- 1945-7197.
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Reports on mortality in patients with congenital adrenal hyperplasia (CAH) are lacking. Objective: To study mortality and causes of death in CAH. Design, Setting and Participants: We studied patients with CAH (21-hydroxylase deficiency, n=588; CYP21A2 mutations known, >80%), and compared them with controls (n=58800). Data were derived through linkage of national population-based registers. Main Outcome Measures: Mortality and causes of death. Results: The mean age of death was 41.2±26.9 years in CAH patients and 47.7±27.7 years in controls (P<0.001). Among CAH patients 23 (3.9%) had deceased compared to 942 (1.6%) of controls. The hazard ratio (and 95% confidence interval) of death was 2.3(1.2-4.3) in CAH males and 3.5(2.0-6.0) in CAH females. Including only patients born 1952-2009, gave similar total results but only patients with salt-wasting or with unclear phenotype had an increased mortality. The causes of death in CAH patients were adrenal crisis (42%), cardiovascular (32%), cancer (16%), and suicide (10%). There were seven additional deaths in CAH individuals with incomplete or reused personal identification number that could not be analyzed using linkage of registers. Of the latter all except one were deceased before the introduction of neonatal screening in 1986 and most of them in the first weeks of life, probably in an adrenal crisis. Conclusions: CAH is a potentially lethal condition and was associated with excess mortality due to adrenal crisis. The salt-wasting phenotype seemed to have worse outcome also in children and adults due to adrenal crisis and not only before the introduction of neonatal screening.
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16.
  • Falhammar, Henrik, et al. (författare)
  • Increased Prevalence of Accidents and Injuries in Congenital Adrenal Hyperplasia : A Population-Based Cohort Study
  • 2024
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : Oxford University Press. - 0021-972X .- 1945-7197. ; 109:3, s. e1175-e1184
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: It has been suggested that injuries and accidents are increased in females with congenital adrenal hyperplasia (CAH), but the prevalence is unclear.OBJECTIVE: To study the prevalence of injuries and accidents in females and males with CAH.DESIGN, SETTING, AND PARTICIPANTS: Patients with CAH (n = 714, all 21-hydroxylase deficiency) were compared with matched controls (n = 71,400). Data were derived by linking National Population-Based Registers.MAIN OUTCOME MEASURES: Prevalence of injuries and accidents.RESULTS: Mean age was 29.8 ± 18.4 years. Injuries were more prevalent in patients with CAH than in controls (RR 1.34, 95%CI 1.24-1.44), and this was found in both sexes (females: 1.43, 1.29-1.58; males: 1.25, 1.12-1.38). In the classical phenotype, the prevalence of injuries was higher, especially in females but not in the non-classic phenotype. In the genotype groups, injuries were mainly increased in females. Head injuries were increased in all patients with CAH and in the different phenotypes and were mainly driven by females. More patients with CAH born before the introduction of neonatal screening had had an injury compared to controls (1.48, 1.35-1.62), this was seen in both sexes. In patients with CAH born after the introduction of screening, the prevalence of injuries was overall increased (1.20, 1.07-1.35), and in females with CAH but not in males. Accidents showed a similar pattern to injuries in all comparisons.CONCLUSIONS: Patients with CAH had an increased prevalence of both injuries and accidents, especially in females and in those born before the neonatal screening program. Patients with NC phenotype were hardly affected.
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17.
  • Falhammar, Henrik, et al. (författare)
  • Increased psychiatric morbidity in men with congenital adrenal hyperplasia due to 21-hydroxylase deficiency.
  • 2014
  • Ingår i: The Journal of clinical endocrinology and metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 99:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Context:Reports on psychiatric morbidity in males with congenital adrenal hyperplasia (CAH) are lacking.Objective:To study psychiatric disorders in CAH males.Design, Setting and Participants:We studied males with CAH (21-hydroxylase deficiency, n=253; CYP21A2 mutations known, n=185), and compared them with controls (n=25300). Data were derived through linkage of national population-based registers. We assessed the subgroups of CYP21A2 genotype separately (null, I2splice, I172N, P30L and NC), as well as outcomes before and after the introduction of national neonatal screening in 1986.Main Outcome Measures:Psychiatric disorders including attempted and completed suicide (suicidality).Results:Psychiatric disorders (suicidality not included), suicidality and alcohol misuse were increased in CAH males compared with controls (OR 1.5, 2.3, and 1.9; 95%CI 1.1-2.2, 1.1-5.0, and 1.0-3.5). In the null genotype group, no increased rates were seen; in the I2splice group, psychiatric disorders, personality disorders and alcohol misuse were increased; in the I172N group suicide attempt and drug misuse were increased; and in the P30L and NC group psychotic disorders were increased. In CAH males born before the neonatal screening, the rate of psychiatric disorders and suicidality were increased, but only psychotic disorders in those born after. There was no increased risk for any neurodevelopmental disorder.Conclusions:CAH males have an increased psychiatric morbidity. Psychiatric morbidity was not raised in the most severe genotype group. Late diagnosis of CAH may explain some of the findings. Those born before the introduction of neonatal screening were more affected, which may be explained by the higher age.
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18.
  • Falhammar, Henrik, et al. (författare)
  • Metabolic profile and body composition in adult women with congenital adrenal hyperplasia due to 21-hydroxylase deficiency.
  • 2007
  • Ingår i: The Journal of clinical endocrinology and metabolism. - : The Endocrine Society. - 0021-972X .- 1945-7197. ; 92:1, s. 110-6
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: The chronic, often supraphysiological glucocorticoid doses used in congenital adrenal hyperplasia (CAH) might increase morbidity in cardiovascular disease and diabetes. OBJECTIVE: Our aim was to assess risk factors for cardiovascular disease and diabetes in CAH women. SUBJECTS, METHODS, AND DESIGN: We compared 61 women, 18-63 yr, with CAH due to 21-hydroxylase deficiency with 61 age- and sex- matched controls. Twenty-seven were younger than 30 yr, and 34 were 30 yr or older. Anthropometry, fat and lean mass measured by dual-energy x-ray absorptiometry, serum lipids, insulin, and adrenocortical steroids were studied. MAIN OUTCOME MEASURE: Body composition and cardiovascular risk factors were the main outcome measures. RESULTS: Younger patients and controls had similar waist to hip ratio, lean and fat mass, and insulin. Older patients had higher waist to hip ratio, lean mass, and insulin than controls. Fat mass was similar to controls but higher than in younger patients. Lipid profiles were slightly more favorable in older patients than controls. Gestational diabetes was more common in patients (21% of pregnancies vs. 0, P < 0.026). Few older patients had hypertension, cardiovascular disease, or diabetes. Despite moderate glucocorticoid doses, most patients had suppressed androgens. CONCLUSIONS: No clear evidence of unfavorable cardiovascular risk factors were found. Increased fat mass and higher insulin levels were, however, found in patients older than 30 yr. High frequency of gestational diabetes is a risk marker for future diabetes. Lifelong follow-up, lifestyle modifications, and attempts to adjust and reduce the glucocorticoid doses seem important.
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21.
  • Fossum, Magdalena, et al. (författare)
  • Long-term culture of human urothelial cells : a qualitative analysis
  • 2005
  • Ingår i: Cells Tissues Organs. - : S. Karger AG. - 1422-6405 .- 1422-6421. ; 181:1, s. 11-22
  • Tidskriftsartikel (refereegranskat)abstract
    • Today, in vitro culturing of autologous cells is an established method in the field of tissue reconstruction. It can be applied to urothelial cells and could have many clinical implications in urological reconstructive surgery. This development calls for quality controls concerning cells used for clinical treatment when cells are autotransplanted back to the patient. We have studied cultured cells in order to detect whether genetic or morphologic changes occur. Urothelial cells isolated from bladder lavage were cultured according to different protocols based on the presence or absence of feeder cells. Genetic studies were performed by means of karyotyping with standard G-banding and interphase fluorescent in situ hybridization (FISH) analyses. The morphology of these epithelial cells was judged as well as immunostaining for epithelial cell markers. In addition, to minimize the risk of feeder cell contamination, proliferation studies were performed on cultures including feeder cells that had been pretreated with different doses of mitomycin or radiation. In initial studies, when using feeder cells in each passage according to standard protocols, urothelial cells proliferated unfavourably after the fourth passage with increasing numbers of mouse cells as well as urothelial tetraploid cells. We could also show that urothelial cells from bladder lavage need feeder cells in order to establish primary cultures. Further propagation up to 14 passages was performed without feeder cells and the urothelial cells retained normal karyotypes. We also found that mitomycin treatment had its main effect on feeder cells during the first 2 h. When feeder cells were irradiated, 20 Gy was effective and no feeder cell contamination was seen. In conclusion, we found that a high standard of quality in urothelial cell culturing can be achieved with a careful culturing technique.
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22.
  • Frisén, Lars, et al. (författare)
  • Gender role behavior, sexuality, and psychosocial adaptation in women with congenital adrenal hyperplasia due to CYP21A2 deficiency
  • 2009
  • Ingår i: J Clin Endocrinol Metab. - : The Endocrine Society. ; 94:9, s. 3432-9
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: Gender-atypical behavior has been described in young girls as well as in women with congenital adrenal hyperplasia (CAH) due to a CYP21A2 deficiency. OBJECTIVE: The aim of the study was to assess health-related, psychosexual, and psychosocial parameters and correlate the results to CYP21A2 genotype. DESIGN AND PARTICIPANTS: Sixty-two Swedish women with CAH and age-matched controls completed a 120-item questionnaire and a validated quality of life instrument [psychological general well-being (PGWB) formula] to identify psychosexual and psychosocial parameters. The patients were divided into four CYP21A2 genotype groups. RESULTS: The women with CAH held more male-dominant occupations (30%) compared to controls (13%) (P = 0.04), especially those in the null genotype group (55%) (P = 0.006). They also reported a greater interest in rough sports (74%) compared to controls (50%) (P = 0.007). Eight women with CAH (14%) reported a prime interest in motor vehicles, compared to none of the controls (P = 0.002). Non-heterosexual orientation was reported by 19% of women with CAH (P = 0.005), 50% in the null genotype group (P = 0.0001), 30% in I2 splice (NS), and 5% in I172N (NS). PGWB total score did not differ between patients and controls. CONCLUSION: We identified increased gender-atypical behavior in women with CAH that could be correlated to the CYP21A2 genotype. This speaks in favor of dose-dependent effects of prenatal androgens on the development of higher brain functions. The impact of the disease on upbringing and interpersonal relationships did not correlate with disease severity, indicating that other factors, such as coping strategies, are important for psychosocial adaptation. This illustrates the need for psychological support to parents and patients.
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23.
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24.
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25.
  • Gotby, A. O., et al. (författare)
  • Congenital Adrenal Hyperplasia, Polycystic Ovary Syndrome and criminal behavior: A Swedish population based study
  • 2015
  • Ingår i: Psychiatry Research. - : Elsevier BV. - 0165-1781 .- 1872-7123. ; 229:3, s. 953-959
  • Tidskriftsartikel (refereegranskat)abstract
    • Both prenatal and circulating testosterone and other androgens have been suggested to influence the individual's propensity to commit crime, but empirical evidence is limited and inconsistent. Congenital Adrenal Hyperplasia (CAH) and Polycystic Ovary Syndrome (PCOS) are both hyperandrogenic conditions but with an important difference; whereas subjects with CAH are exposed to high concentrations of androgens in utero, women with PCOS are subjected to high androgens in adulthood. Comparing these groups can therefore yield important insights of androgenic effects on behavior. In the current study, information on medical diagnoses and convicted crimes were gathered from Swedish population-based registers. The associations between diagnoses of CAH or PCOS and any crime, violent crime or sex crime were estimated with conditional logistic regression. Results showed that CAH in women and men did not predict criminality, whereas an increased risk for any crime and violent crime was found in PCOS women. Our findings indicate that female hyperandrogenism in adulthood, but not prenatal hyperandrogenism, is associated with risk for criminal behavior. Further research into hyperandrogenic conditions holds opportunities to deepen our understanding of the etiology of crime and psychopathology. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
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26.
  • Gunnarsson, Cecilia, 1970-, et al. (författare)
  • Amplification of HSD17B1 has prognostic significance in postmenopausal breast cancer
  • 2008
  • Ingår i: Breast Cancer Research and Treatment. - : Springer Science and Business Media LLC. - 0167-6806 .- 1573-7217. ; 108:1, s. 35-41
  • Tidskriftsartikel (refereegranskat)abstract
    • In situ synthesis of estrogens is believed to be of great importance for the progression of breast cancer. In postmenopausal women most estrogens are synthesized in peripheral hormone-target tissues from circulating precursor steroids, by the enzymes involved in formation of active estrogens. One of the enzymes involved in this process is 17β-hydroxysteroid dehydrogenase (17β-HSD) type 1. This enzyme catalyzes the interconversion of estrone (E1) to the biologically more potent estradiol (E2). The gene coding for 17β-HSD type 1 (HSD17B1) is located at 17q12-21. The aim of this study was to investigate altered gene copy number of HSD17B1 in breast cancer. We used real-time PCR and examined 387 postmenopausal breast tumors for amplification of HSD17B1, and if an increased mRNA level of this enzyme is associated with amplification of the gene. We also investigated whether amplification of HSD17B1 has a prognostic value. There was a significant correlation between gene copy number of HSD17B1 and mRNA expression level (P = 0.00002). ER-positive patients with amplification of HSD17B1 showed lower breast cancer survival than patients without amplification (P = 0.025). Among ER-negative patients there was no significant correlation between increased gene copy number of HSD17B1 and prognosis. Furthermore, we found that amplification of the gene had prognostic significance in multivariate analysis adjusting for other clinicopathological variables. © 2007 Springer Science+Business Media, LLC.
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27.
  • Gunnarsson, Cecilia, 1970-, et al. (författare)
  • Expression of COX-2 and steroid converting enzymes in breast cancer
  • 2006
  • Ingår i: Oncology Reports. - 1021-335X .- 1791-2431. ; 16:2, s. 219-224
  • Tidskriftsartikel (refereegranskat)abstract
    • COX-2 is upregulated in many breast tumors, and one of the products of COX-2 is PGE2 that is suggested to upregulate aromatase through cAMP signaling in breast cancer. Although aromatase can increase the estrogen levels in tumors, 17β-hydroxysteroid dehydrogenase (17HSD) activity is finally needed for the estrone/estradiol regulation. The aim of this study was to investigate if the protein expression of enzymes involved in estrogen synthesis shows covariation with the expression of COX-2. We also wanted to correlate these results with prognosis. We analyzed the expression of COX-2, aromatase, 17HSD1 and 17HSD2 with immunohistochemistry using tissue microarrays composed of 356 primary breast tumors. In the present study COX-2 was correlated to aromatase (P<0.00001), 17HSD1 (P=0.0073), and 17HSD2 (P<0.00001). Patients with ER positive tumors expressing low amounts of 17HSD2 had decreased breast cancer survival (P=0.013). Elevated expression of COX-2 and aromatase was more frequent among larger tumors (P=0.017 and P=0.013). COX-2 expression correlates with the levels of the examined steroid converting enzymes and may contribute to increased estrogen levels in the tumor. In breast cancer cells, the regulatory function of 17HSD2 could be lost, and in the present study patients with low or non-detectable levels of 17HSD2 had worse prognosis than had breast cancer patients with higher levels of the enzyme.
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28.
  • Hilborn, Erik, et al. (författare)
  • Androgen receptor expression predicts beneficial tamoxifen response in oestrogen receptor-alpha-negative breast cancer
  • 2016
  • Ingår i: British Journal of Cancer. - : NATURE PUBLISHING GROUP. - 0007-0920 .- 1532-1827. ; 114:3, s. 248-255
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Although the androgen receptor (AR) is frequently expressed in breast cancer, its relevance in the disease is not fully understood. In addition, the relevance of AR in determining tamoxifen treatment efficiency requires evaluation. Purpose: To investigate the tamoxifen predictive relevance of the AR protein expression in breast cancer. Methods Patients were randomised to tamoxifen 40 mg daily for 2 or 5 years or to no endocrine treatment. Mean follow-up was 15 years. Hazard ratios were calculated with recurrence-free survival as end point. Results: In patients with oestrogen receptor (ER)-negative tumours, expression of AR predicted decreased recurrence rate with tamoxifen (hazard ratio (HR) = 0.34; 95% confidence interval (CI) = 0.14-0.81; P = 0.015), whereas the opposite was seen in the AR- group (HR = 2.92; 95% CI = 1.16-7.31; P = 0.022). Interaction test was significant P < 0.001. Patients with triple-negative and AR+ tumours benefitted from tamoxifen treatment (HR = 0.12; 95% CI = 0.014-0.95 P = 0.044), whereas patients with AR- tumours had worse outcome when treated with tamoxifen (HR = 3.98; 95% CI = 1.32-12.03; P = 0.014). Interaction test was significant P = 0.003. Patients with ER+ tumours showed benefit from tamoxifen treatment regardless of AR expression. Conclusions: AR can predict tamoxifen treatment benefit in patients with ER- tumours and triple-negative breast cancer.
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29.
  • Hilborn, Erik, et al. (författare)
  • C-X-C ligand 10 and C-X-C receptor 3 status can predict tamoxifen treatment response in breast cancer patients
  • 2014
  • Ingår i: Breast Cancer Research and Treatment. - : Springer Verlag (Germany). - 0167-6806 .- 1573-7217. ; 145:1, s. 73-82
  • Tidskriftsartikel (refereegranskat)abstract
    • To investigate the expression levels of CXCL10 and CXCR3 in tumors from breast cancer patients randomized to adjuvant tamoxifen treatment or no endocrine treatment, in order to further study the connection to prognosis and prediction of tamoxifen treatment outcome. Immunohistochemistry on tissue microarrays from 912 breast cancer patients randomized to tamoxifen or no endocrine treatment. CXCR3 status was found to be a prognostic tool in predicting distant recurrence, as well as reduced breast cancer-specific survival. In patients with estrogen receptor (ER)-positive tumors, tumors with strong CXCL10 levels had improved effect of tamoxifen treatment in terms of local recurrence-free survival [risk ratio (RR) 0.46 (95 % CI 0.25-0.85, P = 0.01)] compared with patients with tumors expressing weak CXCL10 expression. Further, patients with ER-positive tumors with strong CXCR3 expression had an improved effect of tamoxifen in terms of breast cancer-specific survival [RR 0.34 (95 % CI 0.19-0.62, P less than 0.001)] compared with the group with weak CXCR3 levels [RR 1.33 (95 % CI 0.38-4.79, P = 0.65)]. We show here for the first time that CXCL10 and CXCR3 expression are both predictors of favorable outcome in patients treated with tamoxifen.
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30.
  • Holmdahl, Gundela, 1956, et al. (författare)
  • Health-Related Quality of Life in Patients with the Bladder Exstrophy-Epispadias Complex and Relationship to Incontinence and Sexual Factors: A Review of the Recent Literature.
  • 2020
  • Ingår i: European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift fur Kinderchirurgie. - : Georg Thieme Verlag KG. - 1439-359X. ; 30:3, s. 251-260
  • Forskningsöversikt (refereegranskat)abstract
    • The bladder exstrophy-epispadia complex (BEEC) includes malformations with midline closing defects of the lower abdomen and external genitalia. Long-term consequences with urinary incontinence and sexual dysfunction, in spite of multiple surgical interventions, are common and expected to affect the patient's health-related quality of life (HRQOL). The extent and the predictive factors are, however, not known. New patient-reported outcome research is emerging, but valid and reliable condition-specific HRQOL are still missing. The aim of this review is to summarize and discuss the latest published reports (2015-2019) on HRQOL in patients with the BEEC and its relationship to incontinence and sexual factors.
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31.
  • Husberg, Britt, et al. (författare)
  • Congenital intestinal malrotation in adolescent and adult patients : a 12-year clinical and radiological survey
  • 2016
  • Ingår i: SpringerPlus. - : Springer. - 2193-1801. ; 5
  • Tidskriftsartikel (refereegranskat)abstract
    • Congenital intestinal malrotation is mainly detected in childhood and caused by incomplete rotation and fixation of the intestines providing the prerequisites for life-threatening volvulus of the midgut. The objective of this study was to evaluate a large cohort of adult patients with intestinal malrotation. Thirty-nine patients, 15-67 years, were diagnosed and admitted to a university setting with congenital intestinal malrotation 2002-2013. The patients were divided into three age groups for stratified evaluation. Medical charts were scrutinized, and clinical outcome of surgery was reviewed. Twelve patients presented as emergency cases, whereas 27 were admitted as elective cases. Diagnosis was established in 33 patients who underwent radiological investigation and in the remaining 6 during surgery. A Ladd's operation was performed in 31 symptomatic patients; a conservative strategy was chosen in eight cases. Volvulus was more common in the younger age group. Twenty-six surgically treated patients were available for telephone interview, 1-12 years after surgery. All patients, except one, regarded their general condition improved to a high degree (n = 18) or with some reservation (n = 7). Twelve patients suffered remaining abdominal pain of a chronic and diffuse character. Due to recurrence of malrotation six patients were reoperated. Symptomatic malrotation occurs in both children and the adult population. Improved awareness and an accurately performed CT scan can reveal the malformation and enable surgical treatment. A Ladd's procedure relieved most patients from their severe complaints even when a history of several years of suffering existed.
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32.
  • Högberg, Niclas, 1979- (författare)
  • Experimental and Clinical Necrotizing Enterocolitis
  • 2013
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Necrotizing enterocolitis (NEC), a severe inflammatory disorder of the gastrointestinal tract with high morbidity and mortality, affects primarily preterm infants. The diagnosis represents a challenging task, and no biomarker has been found to aid early diagnosis with high accuracy. Microdialysis has been widely used to detect metabolites of anaerobic metabolism, enabling a local and early detection of ischemia. This thesis aims to evaluate the possibility of detecting intestinal ischemic stress in experimental and clinical  NEC, by use of rectal intraluminal microdialysis.Intraluminal rectal microdialysis was performed on rats subjected to total intestinal ischemia. Metabolites of ischemia were detectable in both ileum and rectum, with raised glycerol concentrations and lactate/pyruvate ratios. Elevated concentrations of glycerol correlated to increasing intestinal histopathological injury.Experimental early NEC was induced in newborn rat pups, by hypoxia/re-oxygenation treatment. Development of NEC was confirmed by histopathology. Elevated glycerol concentrations were detected by rectal microdialysis.The genetic alterations following experimental NEC in rat pups were studied with microarray. Immunohistochemistry staining was performed for tight junction proteins claudin-1 and claudin-8. Several genes were altered in experimental NEC, mainly genes regulating tight junctions and cell adhesion. Immunohistochemistry revealed reduced expression of claudin-1.A prospective study was conducted on preterm infants with a gestational age of less than 28 weeks. The infants were admitted to a neonatal intensive care unit, and observed during a 4-week period. Rectal microdialysis was performed twice a week, and blood was drawn for analysis of I-FABP. A total of 15 infants were included in the study, whereof four infants developed NEC, and 11 served as controls. Rectal glycerol and I-FABP displayed high concentrations, which varied considerably during the observation periods, both in NEC and controls. No differences in either glycerol or I-FABP concentrations were seen in the NEC-group vs. the controls.In conclusion, rectal microdialysis can detect metabolites of intestinal ischemia, both in experimental and clinical NEC. Rectal microdialysis is safe and could provide a valuable non-invasive aid to detect hypoxia-induced intestinal damage or ischemic stress in extremely preterm infants. In this study however, it was not possible to predict the development of clinical NEC using microdialysis or I-FABP.
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33.
  • Jansson, Agneta, et al. (författare)
  • Ratio of 17HSD1 to 17HSD2 protein expression predicts the outcome of tamoxifen treatment in postmenopausal breast cancer patients.
  • 2009
  • Ingår i: Clinical Cancer Research. - 1078-0432 .- 1557-3265. ; 15:10, s. 3610-3616
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: Estrogens have great significance in the development of breast cancer. After menopause, most estrogen biosynthesis is done in peripheral tissue, and the main enzymes involved in balancing the amount of estrone against estradiol are 17beta-hydroxysteroid dehydrogenases (17HSD). The aim of this study was to investigate the prognostic and tamoxifen predictive values of 17HSD1 and 17HSD2 expression. EXPERIMENTAL DESIGN: Tumors from low-risk breast cancer patients randomized to adjuvant tamoxifen therapy or no adjuvant treatment were analyzed with immunohistochemistry to investigate protein expression of 17HSD1 and 17HSD2 in 912 cases. All patients had lymph node-negative breast cancer and were postmenopausal at the time of diagnosis. RESULTS: Low 17HSD1 expression was associated with significant benefit from tamoxifen treatment among patients with estrogen receptor (ER)-positive tumors (P < 0.001). For patients with a 17HSD1 score not exceeding that of 17HSD2, tamoxifen increased the rate of distant recurrence-free survival (hazard ratio, 0.37; 95% confidence interval, 0.23-0.60) and breast cancer-specific survival (hazard ratio, 0.30; 95% confidence interval, 0.16-0.54), whereas no apparent effect was observed when the 17HSD1 score was higher than that of 17HSD2. The interaction was significant for both distant recurrence-free survival (P = 0.036) and breast cancer-specific survival (P = 0.014). In the cohort of systemically untreated patients, no prognostic importance was observed. CONCLUSIONS: This is the first report that clearly distinguishes between the prognostic and predictive importance of 17HSD1 and 17HSD2 in ER-positive breast cancer treated with or without tamoxifen. Our data suggest that the 17HSD1/17HSD2 ratio might be useful as a predictive factor for tamoxifen treatment in ER-positive breast cancer patients.
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34.
  • Jerevall, Piiha-Lotta, et al. (författare)
  • Predictive relevance of HOXB13 protein expression for tamoxifen benefit in breast cancer
  • 2010
  • Ingår i: Breast Cancer Research. - : Springer Science and Business Media LLC. - 1465-5411 .- 1465-542X. ; 12:4
  • Tidskriftsartikel (refereegranskat)abstract
    • ABSTRACT: INTRODUCTION: The HOXB13:IL17BR index has been identified to predict clinical outcome in the setting of adjuvant tamoxifen monotherapy of breast cancer. Further studies have shown that HOXB13 in particular can indicate benefit of prolonged tamoxifen treatment. Patients with high-expressing tumors did not benefit from prolonged treatment, suggesting that HOXB13 might be involved in tamoxifen resistance. No studies have been made regarding the HOXB13 protein levels in breast cancer. The aim of our study was to investigate whether tamoxifen benefit can be correlated to different levels of HOXB13 protein expression. METHODS: We used immunohistochemistry to analyze protein levels of HOXB13 in tumor samples from 912 postmenopausal node-negative breast cancer patients randomized to adjuvant tamoxifen therapy or no endocrine treatment. RESULTS: Tamoxifen-treated patients with estrogen receptor-positive tumors expressing none or low levels of HOXB13 had a clear benefit from tamoxifen in terms of longer distant recurrence-free survival (DRFS) (hazard ratio = 0.38, 95% confidence interval = 0.23 to 0.60, P = 0.000048). However, for patients with a high or intermediate HOXB13 tumor expression, tamoxifen did not prolong the DRFS compared with the untreated patients (hazard ratio = 0.88, 95% confidence interval = 0.47 to 1.65, P = 0.69). Interaction between HOXB13 expression and benefit from tamoxifen was statistically significant for DRFS (P = 0.035). No prognostic value could be ascribed to HOXB13 among systemically untreated patients. CONCLUSIONS: A high HOXB13 expression was associated with decreased benefit from tamoxifen, which indicates that HOXB13 protein level may be used as a predictive marker for tamoxifen treatment.
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35.
  • Laurell, Tobias, et al. (författare)
  • Identification of three novel FGF16 mutations in X-linked recessive fusion of the fourth and fifth metacarpals and possible correlation with heart disease.
  • 2014
  • Ingår i: Molecular Genetics & Genomic Medicine. - : Wiley. - 2324-9269. ; 2:5, s. 402-411
  • Tidskriftsartikel (refereegranskat)abstract
    • Nonsense mutations in FGF16 have recently been linked to X-linked recessive hand malformations with fusion between the fourth and the fifth metacarpals and hypoplasia of the fifth digit (MF4; MIM#309630). The purpose of this study was to perform careful clinical phenotyping and to define molecular mechanisms behind X-linked recessive MF4 in three unrelated families. We performed whole-exome sequencing, and identified three novel mutations in FGF16. The functional impact of FGF16 loss was further studied using morpholino-based suppression of fgf16 in zebrafish. In addition, clinical investigations revealed reduced penetrance and variable expressivity of the MF4 phenotype. Cardiac disorders, including myocardial infarction and atrial fibrillation followed the X-linked FGF16 mutated trait in one large family. Our findings establish that a mutation in exon 1, 2 or 3 of FGF16 results in X-linked recessive MF4 and expand the phenotypic spectrum of FGF16 mutations to include a possible correlation with heart disease.
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36.
  • Lundin, Johanna, et al. (författare)
  • 22q11.2 microduplication in two patients with bladder exstrophy and hearing impairment
  • 2010
  • Ingår i: European Journal of Medical Genetics. - : Elsevier BV. - 1769-7212 .- 1878-0849. ; 53:2, s. 61-65
  • Tidskriftsartikel (refereegranskat)abstract
    • Bladder exstrophy is a congenital malformation of the bladder and urethra. The genetic basis of this malformation is unknown however it is well known that chromosomal aberrations can lead to defects in organ development. A few bladder exstrophy patients have been described to carry chromosomal aberrations. Chromosomal rearrangements of 22q11.2 are implicated in several genomic disorders i.e. DiGeorge/velocardiofacial- and cat-eye syndrome. Deletions within this chromosomal region are relatively common while duplications of 22q11.2 are much less frequently observed. An increasing number of reports of microduplications of this region describe a highly variable phenotype. We have performed array-CGH analysis of 36 Swedish bladder exstrophy patients. The analysis revealed a similar and approximately 3 Mb duplication, consistent with the recently described 22q11.2 microduplication syndrome, in two unrelated cases with bladder exstrophy and hearing impairment. This finding was confirmed by multiplex ligation-dependent probe amplification (MLPA) and FISH analysis. Subsequent MLPA analysis of this chromosomal region in 33 bladder exstrophy patients did not reveal any deletion/duplication within this region. MLPA analysis of 171 anonymous control individuals revealed one individual carrying this microduplication. This is the first report of 22q11.2 microduplication associated with bladder exstrophy and hearing impairment. Furthermore the finding of one carrier among a cohort of normal controls further highlights the variable phenotype linked to this microduplication syndrome.
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37.
  • Lundin, Johanna, et al. (författare)
  • Further support linking the 22q11.2 microduplication to an increased risk of bladder exstrophy and highlighting LZTR1 as a candidate gene
  • 2019
  • Ingår i: Molecular Genetics and Genomic Medicine. - : Wiley. - 2324-9269. ; 7:6
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The bladder exstrophy-epispadias complex (BEEC) is a congenital malformation of the bladder and urethra. The underlying causes of this malformation are still largely unknown; however, aside from environment, genetics is thought to play an essential role. The recurrent 22q11.2 microduplication is the most persistently detected genetic aberration found in BEEC cases. Methods: We performed array comparative genomic hybridization (array-CGH) analysis of 76 Swedish BEEC patients. Statistical analysis was performed on current dataset pooled with previously published data on the 22q11.2 microduplication in BEEC patients. We performed massive parallel sequencing (MPS) of the 22q11.2 region in 20 BEEC patients without the 22q11.2 microduplication followed by functional studies. Results: We identified three additional cases with the 22q11.2 microduplication. Pooling data from this study with previously published reports showed a statistically significant enrichment of the 22q11.2 microduplication in BEEC patients (2.61% in cases vs. 0.08% in controls; OR = 32.6; p = 8.7 × 10−4). MPS of the 22q11.2 region in 20 BEEC patients without the 22q11.2 microduplication identified a novel variant in LZTR1 (p.Ser698Phe) in one patient. Functional evaluation of the LZTR1 p.Ser698Phe variant in live NIH 3T3 cells showed that the concentration and cytoplasmic mobility differ between the Lztr1wt and Lztr1mut, indicating a potential functional effect of the LZTR1mut. Conclusion: Our study further emphasizes the involvement of the 22q11.2 region in BEEC development and highlights LZTR1 as a candidate gene underlying the urogenital malformation.
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38.
  • Läckgren, Göran, et al. (författare)
  • Hypospadia
  • 2009
  • Ingår i: Pediatric Surgery. - Berlin : Springer. - 9783540695592 ; , s. 935-946
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
  •  
39.
  •  
40.
  • Nordenskjöld, Axel, 1977-, et al. (författare)
  • Effects of Hesel-coil deep transcranial magnetic stimulation for depression : a systematic review
  • 2016
  • Ingår i: Nordic Journal of Psychiatry. - : Taylor & Francis. - 0803-9488 .- 1502-4725. ; 70:7, s. 492-497
  • Forskningsöversikt (refereegranskat)abstract
    • Background: One third of the depressed patients are not improved by antidepressant drugs and psychological treatments, and there is a need for additional treatments. Repetitive transcranial magnetic stimulation (rTMS) is being developed towards an alternative in treatment-resistant depression. Deep transcranial stimulation (dTMS) with the Hesel-coil (H-coil) is a further development of rTMS aiming to enhance the effect by getting the magnetic pulses to penetrate deeper into the brain.Aims: This report aims to assess the evidence-base for dTMS for depression. The report also includes an assessment of the ethical and economic aspects involved.Methods: A systematic review of the effects of H-coil dTMS on depression was conducted and the scientific support was evaluated using GRADE (Grading of Recommendations Assessment, Development and Evaluation).Results: Only one controlled study was identified. In the sham-controlled randomized study, 212 participants with major depression that had not responded to antidepressant medication were enrolled. A two-point superiority in Hamilton Depression Rating Scale was observed in the dTMS arm vs the sham-arm at 4 weeks, but the difference was not statistically significant. No serious adverse events were reported apart from rare cases of epileptic seizures.Conclusions: The existing scientific support for H-coil dTMS therapy for depression is insufficient. The clinical implication is that the use of dTMS in depression should be restricted to the framework of clinical trials pending further studies. Fortunately, additional studies are underway and the evidence base should presumably improve over the next several years.
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41.
  • Nordenskjöld, Agneta, et al. (författare)
  • Type of mutation and surgical procedure affect long-term quality of life for women with congenital adrenal hyperplasia.
  • 2008
  • Ingår i: The Journal of clinical endocrinology and metabolism. - : The Endocrine Society. - 0021-972X .- 1945-7197. ; 93:2, s. 380-6
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: In congenital adrenal hyperplasia (CAH) caused by different mutations, feminizing surgery is mostly performed in childhood, and many patients are lost to follow-up. OBJECTIVE/PATIENTS: A follow-up study on 62 CAH women aged 18-63 yr and 62 age-matched controls to correlate findings of both operative method and mutation was performed. DESIGN: Semistructured interviews were performed in cases and controls, as well as a gynecological examination in the cases. The results were correlated with disease-causing mutations and earlier surgical procedures if performed. SETTING: The study was conducted at university hospital referral clinics. MAIN OUTCOME MEASURES: Gynecological examination in all cases correlated to previous surgery (n = 49), type of mutation, and questionnaire responses. RESULTS: Half of the CAH women claimed that the disease affected their sex life. The women were less satisfied with their genitals, whether operated or not. Clitoris size and functions were affected by the surgical method. Five women had a clinically evident vaginal stenosis on examination. However, almost half of patients experienced a narrow vagina. The overall psychosexual aspects of life were affected in these patients with later sexual debut, fewer pregnancies and children, and an increased incidence of homosexuality. These quality of life factors were correlated to the severity of the mutations. CONCLUSIONS: The overall quality of life in adult women with CAH is affected both by the type of mutation and operative procedure. Indications for clitoroplasty should be restrictive. Medical, surgical, and psychological treatment should be centralized.
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42.
  • Nordenström, Anna, et al. (författare)
  • Are carriers of CYP21A2 mutations less vulnerable to psychological stress? A population-based national cohort study
  • 2016
  • Ingår i: Clinical Endocrinology. - Stockholm : Karolinska Institutet, Dept of Medical Epidemiology and Biostatistics. - 0300-0664 .- 1365-2265.
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Congenital adrenal hyperplasia (CAH) is one of the most common monogenic autosomal recessive disorders with an incidence of one in 15 000. About one in 70 individuals in the general population are carriers of a severe CYP21A2 mutation. It has been suggested that this confers a survival advantage, perhaps as a result of increased activity in the hypothalamic–pituitary–adrenal axis. We investigated vulnerability to psychological stress in obligate carriers. Method: The Swedish CAH Registry encompasses more than 600 patients. Parents, that is obligate carriers of the CYP21A2 mutation, were identified through the Multigeneration Register. The diagnosis of the child was used as the psychological stressor. Psychiatric diagnoses before and after the birth of a child with CAH were compared to those of controls derived from (i) the general population, (ii) parents of children with hypospadias and (iii) parents of children with diabetes mellitus type 1 (T1DM). Results: Parents of children with CAH had less risk of being diagnosed with any psychiatric disorder (OR, 0 6), an affective disorder (OR, 0 5) or substance misuse (OR, 0 5) after the diagnosis of the child, compared to the general population. Their risk was also decreased compared to parents of a child with hypospadias (OR, 0 6, 0 4 and 0 2, respectively) and parents of a child with T1DM (OR 0 7, 0 6 and 0 2, respectively). The CYP21A2 carriers had a lower risk of developing mood and stress-related disorders after the diagnosis of the child. Conclusion: Obligate CYP21A2 carriers had a reduced risk of a psychiatric diagnosis and were less vulnerable to a psychologically stressful situation, at least with respect to receiving a psychiatric diagnosis. This indicates a better ability to cope with psychological stress among heterozygous carriers of severe CYP21A2 mutations, which may contribute to the apparent survival advantage
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43.
  • Nordenström, Anna, et al. (författare)
  • Sexual function and surgical outcome in women with congenital adrenal hyperplasia due to CYP21A2 deficiency: clinical perspective and the patients' perception.
  • 2010
  • Ingår i: The Journal of clinical endocrinology and metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 95:8, s. 3633-40
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: Females with congenital adrenal hyperplasia (CAH) due to a CYP21A2 deficiency are exposed to androgens during fetal development, resulting in virilization of the external genitalia. Little is known about how these women feel that the disease has affected their lives regarding surgery and psychosexual adaptation. OBJECTIVE: Our objective was to investigate the correlation between the surgical results, the self-perceived severity of the disease, and satisfaction with sexual life and relate the results to the CYP21A2 genotype. DESIGN AND PARTICIPANTS: Sixty-two Swedish women with CAH and age-matched controls completed a 120-item questionnaire, and a composite score for sexual function was constructed. The surgical outcome, including genital appearance and clitoral sensitivity, was evaluated by clinical examination. The patients were divided into four CYP21A2 genotype groups. RESULTS: The sexual function score, but not for genital appearance, was higher in the patients satisfied with their sexual life. This was also true of the patients who were satisfied with the surgical result. There were discrepancies between the patients' perception of the impact of the condition on their sexual life and what health professionals would assume from clinical examination. The patients in the null genotype group scored lower on sexual function and satisfaction with their sexual life and had more surgical complications, also compared with the slightly less severe I2-splice genotype group. CONCLUSION: Our data show that the null genotype group was considerably more affected by the condition than the other groups and should be regarded as a subgroup, both psychologically and from a surgical perspective. Genotyping adds clinically valuable information.
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44.
  • Nordenvall, Anna Skarin, et al. (författare)
  • Hypospadias as a novel feature in spinal bulbar muscle atrophy
  • 2016
  • Ingår i: Journal of Neurology. - Stockholm : Karolinska Institutet, Dept of Medical Epidemiology and Biostatistics. - 0340-5354 .- 1432-1459.
  • Tidskriftsartikel (refereegranskat)abstract
    • Spinal and bulbar muscle atrophy (SBMA) is an X-linked neuromuscular disorder caused by CAG repeat expansions in the androgen receptor (AR) gene. The SBMA phenotype consists of slowly progressive neuromuscular symptoms and undermasculinization features as the result of malfunction of the AR. The latter mainly includes gynecomastia and infertility. Hypospadias is also a feature of undermasculinization with an underdeveloped urethra and penis; it has not been described as part of the SBMA phenotype but has been suggested to be associated with a prolonged CAG repeat in the AR gene. This study includes the first epidemiologic description of the co-occurrence of hypospadias and SBMA in subjects and their male relatives in Swedish population-based health registers, as well as an additional clinical case. One boy with severe hypospadias was screened for mutations in the AR gene and was found to have 42 CAG repeats in it, which is in the full range of mutations causing SBMA later in life. We also detected a maximum of four cases displaying the combination of SBMA and hypospadias in our national register databases. This is the third case report with hypospadias in association with CAG repeat expansions in the AR gene in the full range known to cause SBMA later in life. Our findings suggest that hypospadias may be an under diagnosed feature of the SBMA phenotype and we propose that neurologists working with SBMA further investigate and report the true prevalence of hypospadias among patients with SBMA.
  •  
45.
  • Nygren, Ulrika, et al. (författare)
  • Voice problems due to virilization in adult women with congenital adrenal hyperplasia due to 21-hydroxylase deficiency.
  • 2013
  • Ingår i: Clinical endocrinology. - : Wiley. - 1365-2265 .- 0300-0664. ; 79:6, s. 859-866
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Congenital adrenal hyperplasia (CAH) is an autosomal recessive inherited disorder in which the lack of 21-hydroxylase results in cortisol and aldosterone insufficiency and an overproduction of adrenal androgens. High levels of androgens in women may cause virilization of the larynx and a masculine voice. The purpose of the present study was to investigate subjective voice problems due to virilization in women with CAH. DESIGN/PATIENTS: Participants were 42 women with CAH between 25 and 71years of age, and 43 age-matched female healthy control subjects. All patients, but two, were in good disease control. MEASUREMENTS: A validated Swedish version of the Voice Handicap Index (VHI) and questions related to voice virilization were used. Endocrine data were obtained from medical files. RESULTS: Patients scored significantly higher on VHI when the results were divided into no/mild, moderate and severe voice handicap as compared with the control subjects. They rated significantly higher for 'dark voice' and for 'being perceived as a man on the phone' compared with controls. Seven per cent of the women with CAH had voice problems clearly related to voice virilization. High ratings of dark voice were significantly associated with long periods of under-treatment with glucocorticoids and higher bone mineral density but not with severity of mutation. CONCLUSION: Subjective voice problems due to voice virilization may occur in women with CAH. This further emphasizes the importance of avoiding long periods of increased androgen levels to prevent irreversible voice changes. For these patients, we recommend referral to voice assessment and treatment.
  •  
46.
  • Ortqvist, Lisa, et al. (författare)
  • Longterm followup of adult men born with hypospadias: Urological and cosmetic results. : Long-Term Followup of Men Born with Hypospadias: Urological and Cosmetic Results
  • 2015
  • Ingår i: The Journal of urology. - : Ovid Technologies (Wolters Kluwer Health). - 1527-3792 .- 0022-5347. ; 193:3, s. 975-982
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: We present data on long-term functional and cosmetic results after hypospadias surgery. MATERIALS AND METHODS: Males older than 18 years with hypospadias treated in Sweden were asked to participate in the study, as well as age matched controls and circumcised men. All participants answered questionnaires, and a subgroup was examined during an outpatient visit. Relationships with outcome were analyzed using analysis of variance and regression analysis. RESULTS: A total of 167 patients with a mean age of 34 years and 169 controls with a mean age of 33 years answered the questionnaire. Of the patients 63% had distal, 24% mid and 13% proximal hypospadias. A total of 46 patients and 49 controls presented for physical examination. Patients were significantly less satisfied with the penile cosmetic outcome regarding all parameters of the Penile Perception Score. There was a difference in penile length between patients and controls (mean 9.7 vs 11.6 cm, p <0.001). More patients than controls reported voiding dysfunction symptoms (p = 0.003). Patients had a lower maximum urinary flow rate than controls (p = 0.001). These differences were most prominent between patients with proximal hypospadias and controls. CONCLUSIONS: Men operated on for hypospadias were less satisfied with the cosmetic result than controls, and had a shorter penile length. Patients presented with more symptoms of voiding dysfunction and displayed a lower maximum urinary flow rate. Patients with proximal hypospadias were more affected than those with milder hypospadias. Our results indicate that patients with hypospadias can be subgrouped and that those with severe phenotypes should be followed more closely during childhood as well as later in adulthood.
  •  
47.
  • Reutter, Heiko, et al. (författare)
  • Genome-wide association study and mouse expression data identify a highly conserved 32kb intergenic region between WNT3 and WNT9b as possible susceptibility locus for isolated classic exstrophy of the bladder.
  • 2014
  • Ingår i: Human Molecular Genetics. - : Oxford University Press (OUP). - 0964-6906 .- 1460-2083. ; 23:20, s. 5536-5544
  • Tidskriftsartikel (refereegranskat)abstract
    • Bladder Exstrophy-Epispadias Complex (BEEC), the severe end of the uro-rectal malformation spectrum, has a profound impact on continence as well as sexual and renal functions. It is widely accepted that for the majority of cases the genetic basis appears to be multifactorial. Here, we report the first study which utilizes genome-wide association methods to analyze a cohort comprising patients presenting the most common BEEC form, classic bladder exstrophy (CBE), to identify common variation associated with risk for isolated CBE. We employed discovery and follow-up samples comprising 218/865 cases/controls and 78 trios in total, all of European descent. Our discovery sample identified a marker near SALL1, showing genome-wide significant association with CBE. However, analyses performed on follow-up samples did not add further support to these findings. We were also able to identify an association with CBE across our study samples (discovery: P=8.88 x 10(-5); follow-up: P=0.0025; combined: 1.09 x 10(-6)) in a highly conserved 32kb intergenic region containing regulatory elements between WNT3 and WNT9B. Subsequent analyses in mice revealed expression for both genes in the genital region during stages relevant to the development of CBE in humans. Unfortunately, we were not able to replicate the suggestive signal for WNT3 and WNT9B in a sample that was enriched for non-CBE BEEC cases (P=0.51). Our suggestive findings support the hypothesis that larger samples are warranted to identify association of common variation with CBE.
  •  
48.
  • Sivik, Tove, et al. (författare)
  • 17β-hydroxysteroid dehydrogenase type 14 is a predictive marker for tamoxifen response in oestrogen receptor positive breast cancer
  • 2012
  • Ingår i: PLOS ONE. - : Plos ONE. - 1932-6203. ; 7:7, s. e40568-
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: 17β-hydroxysteroid dehydrogenases (17βHSDs) are important enzymes regulating the pool of bioactive steroids in the breast. The current study was undertaken in order to evaluate implications of 17βHSD14 in breast cancer, measuring 17βHSD14 protein expression in breast tumours.Methods: An antibody targeting the 17βHSD14 antigen was generated and validated using HSD17B14-transfected cells and a peptide-neutralising assay. Tissue microarrays with tumours from 912 post-menopausal women diagnosed with lymph node-negative breast cancer, and randomised to adjuvant tamoxifen or no endocrine treatment, were analysed for 17βHSD14 protein expression with immunohistochemistry.Results: Results were obtained from 847 tumours. Patients with oestrogen positive tumours with high 17βHSD14 expression had fewer local recurrences when treated with tamoxifen (HR 0.38; 95% C.I. 0.19–0.77, p = 0.007) compared to patients with lower tumoural 17βHSD14 expression, for whom tamoxifen did not reduce the number of local recurrences (HR 1.19; 95% C.I. 0.54–2.59; p = 0.66). No prognostic importance of 17βHSD14 was seen for systemically untreated patients.Conclusions: Using a highly specific validated antibody for immunohistochemical analysis of a large number of breast tumours, we have shown that tumoural expression levels of 17βHSD14 can predict the outcome of adjuvant tamoxifen treatment in terms of local recurrence-free survival in patients with lymph node-negative ER+ breast cancer. The results need be verified to confirm any clinical relevance.
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49.
  •  
50.
  • Sköldenberg, Erik (författare)
  • Angiogenesis in childhood malignancies
  • 2003
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Angiogenesis is necessary for the growth and spread of solid tumors. In these studies angiogenesis was measured in childhood malignancies in general and in Wilms’ tumor in particular, and cutting needle biopsy (CNB) specimens were evaluated for diagnosis in childhood renal tumors. In 33 patients with Wilms’ tumor, tumor capillaries were quantified, expression of angiogenic growth factors in tumor tissue investigated, and concentrations of angiogenic growth factors in serum measured. Reference values for angiogenic growth factors were obtained in 80 healthy adults (fibroblast growth factor 2 [FGF-2], vascular endothelial growth factor A [VEGF-A]) and 94 healthy children (angiogenin [ANG], epidermal growth factor [EGF], FGF-2, hepatocyte growth factor [HGF], tumor necrosis factor alpha [TNFA] and VEGF-A) aged 0.5-18 years. These reference values were compared with values in sera taken at diagnosis in 268 children with tumors and leukemias. CNB specimens were evaluated in 25 children with renal tumors.A large number of capillaries was an independent prognostic factor for a poor outcome in Wilms’ tumor. Angiogenic growth factors were expressed in Wilms’ tumor tissue, and elevated concentrations of HGF and VEGF-A were found in both benign and malignant tumors. HGF was increased in leukemia, and TNFA was increased in leukemia, lymphoma and neuroblastoma. CNB, which proved to be a safe procedure, had a sensitivity of 76%. These studies have demonstrated that quantification of capillaries is a prognostic factor in Wilms’ tumor and that HGF, TNFA and VEGF-A are frequently elevated in sera from children with cancer. Quantification of capillaries in tumor tissue and of circulating angiogenic growth factors would therefore seem to be of clinical relevance in managing children with cancer.
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