Maturity-onset diabetes of the young--MODY. Molekylaergenetiske, patofysiologiske og kliniske karakteristika

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Maturity-onset diabetes of the young (MODY) is a genetically and clinically heterogeneous subtype of type 2 diabetes characterised by an early onset, an autosomal dominant inheritance, and a primary defect in insulin secretion. MODY comprises 2-5% of cases of type 2 diabetes. So far, six MODY genes have been identified (MODY1-6): hepatocyte nuclear factor (HNF-4 alpha), glucokinase, HNF-1 alpha, HNF-1 beta, insulin promoter factor 1(IPF-1), and neurogenic differentiation factor 1 (NEUROD1). MODY2 and MODY3 are the most common forms of MODY. Mutations in glucokinase/MODY2 result in a mild form of diabetes. In contrast, MODY3 and some of the other MODY forms are characterised by major insulin secretory defects and severe hyperglycaemia associated with microvascular complications. About 25% of known MODY is caused by mutations in yet unknown genes and present results suggest that other monogenic forms of type 2 diabetes might exist. The diagnosis of MODY has implications for the clinical management of the patient's diabetes. The identification of MODY genes also opens new perspectives in the understanding of the molecular basis of diabetes and may probably contribute to the definition of novel targets for drug development and gene therapy.
Original languageDanish
JournalUgeskrift for Laeger
Volume164
Issue number15
Pages (from-to)2017-22
Number of pages6
ISSN0041-5782
Publication statusPublished - 2002

ID: 38454465