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Nat Genet. 1992 Oct;2(2):153-6.

Missense glucokinase mutation in maturity-onset diabetes of the young and mutation screening in late-onset diabetes.

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1
Howard Hughes Medical Institute, University of Chicago, Illinois 60637.

Abstract

We describe a codon 299 mutation in the glucokinase gene in a British pedigree with maturity-onset diabetes of the young (MODY) resulting in a substitution of glycine to arginine. One out of fifty patients diagnosed with classical late-onset type 2 diabetes mellitus was also found to have this mutation. All nine relatives of this patient who have inherited the mutation have type 2 diabetes, although six others without the mutation are also present with diabetes. The discovery that glucokinase mutations can cause MODY and was also found in ten affected members of a pedigree with type 2 diabetes in which MODY had not previously been considered indicates that diagnosis based on molecular pathology will be helpful in understanding the aetiology of type 2 diabetes.

PMID:
1303265
DOI:
10.1038/ng1092-153
[Indexed for MEDLINE]

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