PMID: 9544238Apr 17, 1998Paper

Individuals from multiplex insulin-dependent diabetes mellitus (IDDM) families express higher levels of TCRBV2S1 than controls

Human Immunology
T CraddockA W Boylston

Abstract

T lymphocytes recognise peptide antigens through the T cell antigen receptor, which is composed of variable alpha and beta chains. There are forty-six functional variable regions on the beta chain. In this study the expression of the T cell receptor beta-chain variable regions 2S1 and 3S1, in a large cohort of multiplex insulin-dependent diabetes mellitus families, have been determined by use of monoclonal antibodies and flow cytometry. Peripheral blood was collected from these multiplex families and three control groups, healthy individuals, sporadic insulin-dependent diabetes mellitus patients and non-insulin-dependent diabetes mellitus patients. The level of TCRBV2S1 expression in the multiplex families was significantly higher than all the control groups for both the CD4+ and CD8+ T lymphocyte subsets. Detailed analysis of the family data showed that this increased expression was not associated with age, sex, HLA type or the diabetic phenotype. The TCRBV3S1 expression in all the diabetic cohorts was significantly lower than the healthy controls, in the CD4 subset only. Detailed analysis of the family data showed only the fathers TCRBV3S1 expression was lower than the healthy controls. This study gives further insight into T...Continue Reading

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Citations

Jul 11, 2001·Journal of Biomolecular Structure & Dynamics·J B LebedA D Mirzabekov

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