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Träfflista för sökning "WFRF:(Ostman J) ;pers:(Landin Olsson Mona)"

Sökning: WFRF:(Ostman J) > Landin Olsson Mona

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1.
  • Gyllenberg, A, et al. (författare)
  • Variability in the CIITA gene interacts with HLA in multiple sclerosis.
  • 2014
  • Ingår i: Genes and immunity. - Stockholm : Springer Science and Business Media LLC. - 1476-5470 .- 1466-4879. ; 15, s. 162-167
  • Tidskriftsartikel (refereegranskat)abstract
    • The human leukocyte antigen (HLA) is the main genetic determinant of multiple sclerosis (MS) risk. Within the HLA, the class II HLA-DRB1*15:01 allele exerts a disease-promoting effect, whereas the class I HLA-A*02 allele is protective. The CIITA gene is crucial for expression of class II HLA molecules and has previously been found to associate with several autoimmune diseases, including MS and type 1 diabetes. We here performed association analyses with CIITA in 2000 MS cases and up to 6900 controls as well as interaction analysis with HLA. We find that the previously investigated single-nucleotide polymorphism rs4774 is associated with MS risk in cases carrying the HLA-DRB1*15 allele (P=0.01, odds ratio (OR): 1.21, 95% confidence interval (CI): 1.04-1.40) or the HLA-A*02 allele (P=0.01, OR: 1.33, 95% CI: 1.07-1.64) and that these associations are independent of the adjacent confirmed MS susceptibility gene CLEC16A. We also confirm interaction between rs4774 and HLA-DRB1*15:01 such that individuals carrying the risk allele for rs4774 and HLA-DRB1*15:01 have a higher than expected risk for MS. In conclusion, our findings support previous data that variability in the CIITA gene affects MS risk, but also that the effect is modulated by MS-associated HLA haplotypes. These findings further underscore the biological importance of HLA for MS risk.Genes and Immunity advance online publication, 16 January 2014; doi:10.1038/gene.2013.71.
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2.
  • Törn, Carina, et al. (författare)
  • Combinations of beta cell specific autoantibodies at diagnosis of diabetes in young adults reflects different courses of beta cell damage
  • 2001
  • Ingår i: Autoimmunity. - 0891-6934. ; 33:2, s. 115-120
  • Tidskriftsartikel (refereegranskat)abstract
    • To explore the natural course of beta cell function in recent onset diabetes, a subgroup (n = 157) of all incident cases (n = 879) 15-34 years old. 1992-1993 in Sweden. and with positivity for at least one autoantibody of islet cell antibodies (ICA), glutamic acid decarboxylase antibodies (GADA) or tyrosine phosphatase antibodies (1A-2A) were followed prospectively thr the first four years with annual analysis of C-peptide. The aim was to relate the course of beta cell function, measured as C-peptide, in early diabetes with the presence of different islet autoantibodies at diagnosis. We found that patients positive for ICA alone (n = 11 ) had significantly higher C-peptide levels both at diagnosis and during the first three years compared with the other patients (n = 146; p = 0.022, p < 0.001, p = 0.004 and p = 0.0022). Patients positive for GADA alone or in combination with other antibodies (n = 125) had significantly lower C-peptide during the first three years after diagnosis compared with the other patients (n = 32. p < 0.001, p = 0.0011 and p = 0.0136). Patients with two or three autoantibodies had C-peptide levels similar to levels found in patients positive only for GADA. However. after four years, there were no significant differences between any of the groups of different autoantibody combinations. At diagnosis. 55% (86/157) of the patients had C-peptide: levels above the lower normal range of 0.25 nmol/l, but the frequency of patients with beta cell Function above this level decreased after two years to 41% (65/157; p = 0.035) and after four years to 22% (35/157; p = 0.0041).
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3.
  • Littorin, Bengt, et al. (författare)
  • Islet cell and glutamic acid decarboxylase antibodies present at diagnosis of diabetes predict the need for insulin treatment : A cohort study in young adults whose disease was initially labeled as type 2 or unclassifiable diabetes
  • 1999
  • Ingår i: Diabetes Care. - : American Diabetes Association. - 0149-5992 .- 1935-5548. ; 22:3, s. 409-412
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE:To clarify the predictive value of islet cell antibody (ICA) and GAD65 antibody (GADA) present at diagnosis with respect to the need for insulin treatment 6 years after diagnosis in young adults initially considered to have type 2 or unclassifiable diabetes.RESEARCH DESIGN AND METHODS:The patient material was representative of the entire Swedish population, consisting of patients who were 15-34 years old at diagnosis of diabetes in 1987-1988 but were not considered to have type 1 diabetes at onset. At follow-up, 6 years after the diagnosis, it was noted whether the patient was treated with insulin. The presence of ICA was determined by an immunofluorescence assay, and GADAs were measured by a radioligand assay.RESULTS:Six years after diagnosis, 70 of 97 patients were treated with insulin, and 27 of 97 patients were treated with oral drugs or diet alone. At diagnosis, ICAs and GADAs were present in 41 (59%) of 70 patients and 41 (60%) of 68 patients, respectively, of those now treated with insulin, compared with only 1 (4%) of 26 patients and 2 (7%) of 27 patients who were still not treated with insulin. For either ICA or GADA, the corresponding frequencies were 50 (74%) of 68 for patients who were later treated with insulin and 3 (12%) of 26 for those who were still not treated with insulin, respectively. The sensitivity for later insulin treatment was highest (74%) for the presence of ICA or GADA, and the specificity was highest (100%) for ICA and GADA. The positive predictive value was 100% for the combination of ICA and GADA, 98% for ICA alone, and approximately 95% for GADA alone.CONCLUSIONS:Determination of the presence of ICA and GADA at diagnosis of diabetes improves the classification of diabetes and predicts the future need of insulin in young adults.
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4.
  • Steen Carlsson, Katarina, et al. (författare)
  • Long-term detrimental consequences of the onset of type 1 diabetes on annual earnings-evidence from annual registry data in 1990-2005
  • 2010
  • Ingår i: DIABETOLOGIA. - Berlin : Springer Science Business Media. - 0012-186X .- 1432-0428. ; 53:6, s. 1084-1092
  • Tidskriftsartikel (refereegranskat)abstract
    • Young adults in the early stages of their participation in the labour market may be particularly vulnerable to the effects of onset of a chronic disease. Our aim was to quantify the consequences of the onset of type 1 diabetes in young adults on annual earnings, using individual-level longitudinal data before and after the onset of diabetes. The Econ-DISS database contains annual socioeconomic information for 1990-2005 from Statistics Sweden. Econ-DISS includes data for persons with diabetes onset at the age of 15-34 years between 1983 and 2005, registered in the national Diabetes Incidence Study in Sweden (DISS) database, and for controls. Considering the onset of type 1 diabetes as an unanticipated and significant life event, we compared the progression of annual earnings for 3,650 cases born between 1949 and 1970 before and after onset of diabetes with that of 14,629 controls. Possible confounders-education, participation in the labour market, sick leave and parental education-were analysed. We found no differences between the groups in annual earnings or participation in the labour market before onset of diabetes. After onset, persons with type 1 diabetes gradually lagged behind the controls. Their median annual earnings were lower in each year from 1995 to 2005 (p andlt; 0.01). The difference in 2005 was euro (EUR) 1,411 (5.3%). Controlling for confounders, duration of type 1 diabetes a parts per thousand yen10 years was associated with 4.2% (men) and 8.1% (women) lower average annual earnings for persons with upper secondary education only who were active in the labour market. The onset of type 1 diabetes in young adults has long-term detrimental consequences on earnings that cannot be attributed to confounders.
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5.
  • Svensson, M.K, 1965, et al. (författare)
  • The risk for diabetic nephropathy is low in young adults in a 17-year follow-up from the Diabetes Incidence Study in Sweden (DISS). Older age and higher BMI at diabetes onset can be important risk factors
  • 2015
  • Ingår i: Diabetes-Metabolism Research and Reviews. - : Wiley. - 1520-7560 .- 1520-7552. ; 31:2, s. 138-146
  • Tidskriftsartikel (refereegranskat)abstract
    • AimsThe main objective of this study was to estimate the occurrence of diabetic nephropathy in a population-based cohort of patients diagnosed with diabetes as young adults (15-34years). MethodsAll 794 patients registered 1987-1988 in the Diabetes Incidence Study in Sweden (DISS) were invited to a follow-up study 15-19years after diagnosis, and 468 (58%) participated. Analysis of islet antibodies was used to classify type of diabetes. ResultsAfter median 17years of diabetes, 15% of all patients, 14% T1DM and 25% T2DM, were diagnosed with diabetic nephropathy. Ninety-one percent had microalbuminuria and 8.6% macroalbuminuria. Older age at diagnosis (HR 1.05; 95% CI 1.01-1.10 per year) was an independent and a higher BMI at diabetes diagnosis (HR 1.04; 95% CI 1.00-1.09 per 1kg/m(2)), a near-significant predictor of development of diabetic nephropathy. Age at onset of diabetes (p=0.041), BMI (p=0.012) and HbA1c (p<0.001) were significant predictors of developing diabetic nephropathy between 9 and 17years of diabetes. At 17years of diabetes duration, a high HbA1c level (OR 1.06; 95% CI 1.03-1.08 per 1mmol/mol increase) and systolic blood pressure (OR 1.08; 95% CI 1.051.12 per 1mmHg increase) were associated with DN. ConclusionsPatients with T2DM diagnosed as young adults seem to have an increased risk to develop diabetic nephropathy compared with those with T1DM. Older age and higher BMI at diagnosis of diabetes were risk markers for development of diabetic nephropathy. In addition, poor glycaemic control but not systolic blood pressure at 9years of follow-up was a risk marker for later development of diabetic nephropathy. Copyright (c) 2014 John Wiley & Sons, Ltd.
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