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Sökning: WFRF:(Nicklasson M)

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  • Einarsdottir, S., et al. (författare)
  • Vaccination against tick-borne encephalitis (TBE) after autologous and allogeneic stem cell transplantation
  • 2021
  • Ingår i: Vaccine. - 0264-410X .- 1873-2518. ; 39:7, s. 1035-1038
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: Our aim was to assess response and side effects of 4 doses of TBE vaccine to patients (pts) after allo- and autologous stem cell transplantation (SCT). PATIENTS: Included were 104 pts with leukaemia, myeloma and lymphoma, median age 61 yrs. METHODS: Vaccine (FSME-Immun (R)) was given at 9, 10, 12, and 21 months post-transplant. Serum samples were obtained before and after vaccinations. Healthy controls (n = 27) received 3 vaccinations. Assessments of TBE specific IgG antibodies were performed by Enzygnost anti-TBE ELISA test (Siemens, Sweden). Results: Antibody levels (>12 U/mL; "seropositivity") were seen in 77% and 80% of pts after allo- and autoSCT; IgG levels; 89 vs 94 U/mL. Ongoing chronic GvHD and immunosuppression (n = 29) was associated with sero-negativity in the last sample (p = 0.007). All controls (n = 27) developed protective antibody levels. Conclusions: TBE vaccination was safe, and 4 doses starting 9 months post-SCT, induced seropositivity in a vast majority of pts. (C) 2021 Elsevier Ltd. All rights reserved.
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  • Einarsdottir, S., et al. (författare)
  • Humoral immunity to tetanus, diphtheria and polio in adults after treatment for hematological malignancies
  • 2020
  • Ingår i: Vaccine. - 0264-410X .- 1873-2518. ; 38:5, s. 1084-1088
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction After chemotherapy, children with acute lymphocytic leukemia lose immunity and need revaccination against tetanus and diphtheria. However, little is known about immunity in adult patients after treatment for hematological malignancies. In this study, we assessed serology levels against polio, diphtheria and tetanus in adult patients after conventional treatment for leukemia and lymphoma. Patients One hundred and four patients, age 61 (19–86) years, were included at a median of 18 (4–77) months after chemotherapy for acute leukemia (n = 24) or lymphoma (n = 80). Pre-treatment sera were available in 73 cases for a pre-versus post treatment comparison. Healthy, age- and sex matched controls were available for 47 pts. Methods Tetanus antibodies were quantified using ELISA, and antibody levels ≥0.01 IU/mL were considered protective. Diphtheria antibodies were analyzed using neutralization test (n = 60) or by ELISA (n = 44). In both tests values ≥0.01 IU/mL were considered protective. Antibodies against poliovirus serotype 1 and 3 were assessed by a neutralizing test. A microneutralization titer of ≥2 was considered protective. Results Tetanus: There were significantly more non-immune patients after treatment (24%), compared to before (12%), p = 0.02. Post-treatment antibody levels were significantly lower than pre-treatment levels (p = 0.02). Diphtheria: There was a trend, p = 0.06, towards more non-immune patients after treatment (21%) compared to before (27%). Antibody levels post treatment were lower than pre treatment levels (p = 0.03) and lower than controls (p = 0.01). Polio: There was no significant difference in the number of non-immune patients before vs after chemotherapy for either PV1 or PV3. Protective immunity against serotype 1 and 3 was preserved in 90 and 97%, respectively. Conclusions After standard chemotherapy for leukemia and lymphoma a significant proportion of patients had impaired humoral immunity to diphtheria and tetanus. However, polio immunity was well preserved.
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  • Knutsson, Eva Smith, et al. (författare)
  • A prospective study of female genital chronic graft-versus-host disease symptoms, signs, diagnosis and treatment
  • 2018
  • Ingår i: Acta Obstetricia Et Gynecologica Scandinavica. - 0001-6349 .- 1600-0412. ; 97:9, s. 1122-1129
  • Tidskriftsartikel (refereegranskat)abstract
    • IntroductionFemale genital chronic graft-versus-host disease (cGvHD) is a complication of allogeneic hematopoietic cell transplantation (alloHCT) for blood malignancies. Unattended inflammation and fibrosis in the vulva andvagina may lead to total vaginal stenosis. The course and treatment of genital cGvHD was observed in this population-based prospective study. Material and methodsWomen (n=41) receiving alloHCT in 2005-10 were examined before and at 3, 6, 9, 12, 18, 24, 30 and 36months post-transplant. Vulvovaginal signs were documented, National Institutes of Health clinical scores were calculated, and women completed questionnaires on symptoms, the Female Sexual Distress Scale and the Beck Depression Inventory. Local immunosuppressive treatment was given weekly. ResultsGenital cGvHD was diagnosed in 27 women (incidence 56% at 12months; 66% at 36months); extragenital cGvHD was found in 21/27. The most common signs at diagnosis were red and white spots, reticular white lines, fissures, synechiae and telangiectasia; symptoms included dryness, itching, dyspareunia, pain or no symptoms. Thirteen women were treated on a schedule of tacrolimus and clobetazol ointments. Although some signs progressed during treatment, only two women developed total stenosis. At 36months, 12 women still had genital cGvHD. ConclusionsGenital cGvHD develops mainly in the first year after alloHCT. Early intervention may halt its progress to severe fibrosis, but despite correct diagnosis and treatment, symptoms and signs may become chronic. Women who develop genital cGvHD following alloHCT require life-long gynecological supervison and care.
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  • Aaltonen, H. Laura, et al. (författare)
  • Airspace dimension assessment with nanoparticles as a proposed biomarker for emphysema
  • 2021
  • Ingår i: Thorax. - : BMJ Publishing Group. - 0040-6376 .- 1468-3296. ; 76:10, s. 1040-1043
  • Tidskriftsartikel (refereegranskat)abstract
    • Airspace dimension assessment with nanoparticles (AiDA) is a novel method to measure distal airspace radius non-invasively. In this study, AiDA radii were measured in 618 individuals from the population-based Swedish CArdiopulmonary BioImaging Study, SCAPIS. Subjects with emphysema detected by computed tomography were compared to non-emphysematous subjects. The 47 individuals with mainly mild-to-moderate visually detected emphysema had significantly larger AiDA radii, compared with non-emphysematous subjects (326±48 μm vs 291±36 μm); OR for emphysema per 10 μm: 1.22 (1.13-1.30, p<0.0001). Emphysema according to CT densitometry was similarly associated with larger radii compared with non-emphysematous CT examinations (316±41 μm vs 291 μm±26 μm); OR per 10 μm: 1.16 (1.08-1.24, p<0.0001). The results are in line with comparable studies. The results show that AiDA is a potential biomarker for emphysema in individuals in the general population.
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  • Arner, Marianne, et al. (författare)
  • Hand Function in Cerebral Palsy. Report of 367 Children in a Population-Based Longitudinal Health Care Program
  • 2008
  • Ingår i: The Journal of Hand Surgery. - : Elsevier. - 1531-6564. ; 33A:8, s. 1337-1347
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose To describe aspects of hand function in a total population of children with cerebral palsy (CP). Methods Upper extremity data were collected for 367 children who were born between 1992 and 2001 and were registered in a population-based health care program for children with CP. Hand function was classified according to the Manual Ability Classification System (MACS), the House functional classification, and the Zancolli classification. The type of spastic thumb-in-palm deformity was evaluated according to House. Results In the total population of children with CP aged 4 to 14 years, 60% had more than minor problems with hand function (>MACS I). Independence in age-relevant, daily manual activities (MACS I-II) was noted in 87% of children with spastic unilateral CP and in 63% of children with spastic bilateral CP, but in only 20% of children with dyskinetic CP. According to the House functional classification, both hands were spontaneously and independently used in 55% of children (House 7-8), whereas 5% did not use either of their hands (House 0). Minor increase of flexor muscle tone (Zancolli level 1) was found in 69% of all children. Only 2% were in level 3 in both hands. Spastic thumb-in-palm deformity in 1 hand was found in 25% and in both hands in another 15%. Conclusions Limitations in hand function are common in all types of CP, but characteristics of the disability vary considerably between different CP subtypes. The MACS classification is useful to evaluate how well children can handle objects in daily activities. The House functional classification describes grip function in each hand separately; the Zancolli classification of finger and wrist extension and the classification of thumb-in-palm deformity according to House give an estimate of dynamic spasticity. All these classifications were shown to be useful in a population-based health care program, but further studies of the psychometric properties are required. (J Hand Surg 2008;33A:1337-1347. Copyright (C) 2008 by the American Society for Surgery of the Hand. All rights reserved.)
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  • Joffre, E., et al. (författare)
  • The bile salt glycocholate induces global changes in gene and protein expression and activates virulence in enterotoxigenic Escherichia coli
  • 2019
  • Ingår i: Scientific Reports. - 2045-2322. ; 9
  • Tidskriftsartikel (refereegranskat)abstract
    • Pathogenic bacteria use specific host factors to modulate virulence and stress responses during infection. We found previously that the host factor bile and the bile component glyco-conjugated cholate (NaGCH, sodium glycocholate) upregulate the colonization factor CS5 in enterotoxigenic Escherichia coli (ETEC). To further understand the global regulatory effects of bile and NaGCH, we performed Illumina RNA-Seq and found that crude bile and NaGCH altered the expression of 61 genes in CS5 + CS6 ETEC isolates. The most striking finding was high induction of the CS5 operon (csfA-F), its putative transcription factor csvR, and the putative ETEC virulence factor cexE. iTRAQ-coupled LC-MS/MS proteomic analyses verified induction of the plasmid-borne virulence proteins CS5 and CexE and also showed that NaGCH affected the expression of bacterial membrane proteins. Furthermore, NaGCH induced bacteria to aggregate, increased their adherence to epithelial cells, and reduced their motility. Our results indicate that CS5 + CS6 ETEC use NaGCH present in the small intestine as a signal to initiate colonization of the epithelium.
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