Genetic analysis of HLA, NA and HPA typing in type 2 diabetes and ASO

S. Nomura,A. Shouzu,S. Omoto,T. Matsuzaki,M. Yamaoka,Misao Abe,M. Hosokawa,M. Nishikawa,T. Iwasaka,S. Fukuhara

Published 2006 in International Journal of Immunogenetics

ABSTRACT

We examined the genetic status of human leucocyte antigens (HLA), human platelet alloantigens (HPA) and neutrophil‐specific antigens (NA) in patients with type 2 diabetes mellitus and diabetic arteriosclerosis obliterans (ASO). To our knowledge, the present study is the first report showing the relationship among three genetic factors in type 2 diabetes mellitus and ASO patients. HLA typing was performed by the polymerase chain reaction (PCR)–restriction fragment length polymorphism method. HPA‐typing and NA‐typing were by a PCR‐sequence‐specific primer method. The incidence of HLA‐DRB1*1501 was found to be significant in type 2 diabetes and non‐diabetic, particularly ASO‐positive patients, compared to control subjects. There were no differences in NA1/NA2 between the control and diabetic or non‐diabetic ASO groups. However, the frequency of NA2/NA2 in ASO‐positive diabetes and non‐diabetic ASO patients was significantly higher than controls. The a/b genotype of HPA‐5a/5b was significantly lower in type 2 diabetes and non‐diabetic ASO‐positive patients than in controls. These findings suggest that genetic studies of HLA, NA and HPA could be useful to understand the pathogenesis of type 2 diabetes and ASO.

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