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Articles by N. C. Schloot
Total Records ( 3 ) for N. C. Schloot
  K. Kempf , G. Manzo , P. Hanifi-Moghaddam , S. Kappler , J. Seissler , C. Jaeger , B. Boehm , M. Roden , H. Kolb , S. Martin and N. C. Schloot
  Not available
  M. N. Pham , M. I. Hawa , M. Roden , G. Schernthaner , P. Pozzilli , R. Buzzetti , W. A. Scherbaum , J. Seissler , S. Hunter , R. D. G. Leslie , H. Kolb and N. C. Schloot
  Aims  Systemic concentrations of adhesion molecules and chemokines are associated with increased risk of cardiovascular complications. We compared these factors between patients with Type 2 diabetes vs. Type 1 diabetes or latent autoimmune diabetes in adults.

Methods  Serum concentrations of adhesion molecules sE-selectin, sICAM-1 and sVCAM-1, and chemokines CCL2, CCL3 and CCL4 were measured in 61 patients with latent autoimmune diabetes in adults, 90 with Type 1 diabetes, 465 with Type 2 diabetes and in 41 control subjects, using multiple regression models to adjust for possible confounders.

Results  Patients with Type 2 diabetes exhibited greater concentrations of adhesion molecules (< 0.02) than those with Type 1 diabetes, latent autoimmune diabetes in adults and control subjects. These differences persisted upon adjustments for age, sex, BMI, blood pressure and diabetes duration (< 0.04). Higher BMI positively correlated with concentrations of adhesion molecules in all subjects (< 0.0001). Concentrations of sE-selectin positively related to diastolic (β = 0.31) and systolic (β = 0.28) blood pressure in the adjusted model (< 0.04). Concentrations of the chemokines, CCL2 and CCL4, did not differ between groups, while CCL3 was higher in patients with latent autoimmune diabetes in adults and Type 1 diabetes than in those with Type 2 diabetes and control subjects (< 0.05).

Conclusions  Systemic concentrations of adhesion molecules, but not chemokines, relate to cardiovascular risk factors, but remain higher after adjustments in Type 2 diabetes, suggesting a diabetes-type specific effect without difference between latent autoimmune diabetes in adults and Type 1 diabetes, despite their dissimilar phenotype.

  A. Kaas , C. Pfleger , A. V. Kharagjitsingh , N. C. Schloot , L. Hansen , K. Buschard , B. P. C. Koeleman , B. O. Roep , H. B. Mortensen and B. Z. Alizadeh
  Aims  The relation of disease progression and age, serum interleukin 10 (IL-10) and interferon gamma (IFNγ) and their genetic correlates were studied in paediatric patients with newly diagnosed Type 1 diabetes.

Methods  Two hundred and twenty-seven patients from the Hvidoere Study Group were classified in four different progression groups as assessed by change in stimulated C-peptide from 1 to 6 months. CA repeat variants of the IL-10 and IFNγ gene were genotyped and serum levels of IL-10 and IFNγ were measured at 1, 6 and 12 months.

Results  IL-10 decreased (P < 0.001) by 7.7% (1 month), 10.4% (6 months) and 8.6% (12 months) per year increase in age of child, while a twofold higher C-peptide concentration at 1 month (p = 0.06), 6 months (P = 0.0003) and 12 months (P = 0.02) was associated with 9.7%, 18.6% and 9.7% lower IL-10 levels, independent of each other. IL-10 concentrations did not associate with the disease progression groups. By contrast, IFNγ concentrations differed between the four progression groups at 6 and 12 months (P = 0.02 and P = 0.01, respectively); patients with rapid progressing disease had the highest levels at both time points. Distribution of IL-10 and IFNγ genotypes was equal among patients from the progression groups.

Conclusion  IL-10 serum levels associate inversely with age and C-peptide. As age and C-peptide also associate, a triangular association is proposed. Genetic influence on IL-10 production seems to be masked by distinct disease mechanisms. Increased serum IFNγ concentrations associate with rapid disease progression. Functional genetic variants do not associate with a single progression pattern group, implying that disease processes override genetically predisposed cytokine production.

 
 
 
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