The polymorphism linked to the human insulin gene: its lack of association with either IDDM or NIDDM in Japanese
- 1 October 1986
- journal article
- research article
- Published by Oxford University Press (OUP) in Acta Endocrinologica
- Vol. 113 (2) , 268-271
- https://doi.org/10.1530/acta.0.1130268
Abstract
Polymorphism of 5' portion of the human insulin gene was examined in 188 unrelated Japanese subjects (49 normal, 71 with IDDM, and 68 with NIDDM) using restriction endonuclease analysis. Restriction fragments were classified according to the insertion size: Class 1 (600 base pairs), Class 2 (1300 base pairs), and Class 3 (2000 base pairs). We found a very high frequency of Class 1 alleles (96.8%) and a low frequency of both Class 2 (0.8%) and Class 3 alleles (2.4%) and that approximately 94% of the genotypes were Class 1/Class 1 homozygote. In addition, there was no correlation of allelic or genotypic frequency with NIDDM or IDDM. We conclude that length polymorphism of the human insulin gene cannot be a useful marker for diabetes in Japanese.This publication has 8 references indexed in Scilit:
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