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Tumour necrosis factor beta alleles and hyperinsulinaemia in coronary artery disease.

Authors: Braun, J  Marz, W  Winkelmann, BR  Donner, H  Henning Usadel, K  Badenhoop, K 
Citation: Braun J, etal., Eur J Clin Invest. 1998 Jul;28(7):538-42.
Pubmed: (View Article at PubMed) PMID:9726033

BACKGROUND: Hyperinsulinaemia and dyslipoproteinaemia are markers and risk factors for coronary artery disease (CAD) and non-insulin-dependent diabetes mellitus (NIDDM). We investigated the influence of a tumour necrosis factor beta (TNF-beta) gene polymorphism on serum parameters related to these metabolic disorders in patients with CAD. METHODS: A total of 199 patients with CAD and 81 control subjects with angiographically normal coronary arteries were studied. A digestion of amplified DNA with NcoI revealed three fragment patterns: homozygosity for TNF-beta *1 or TNF-beta *2 and heterozygosity (TNF-beta *1/*2). RESULTS: Patients with CAD who had increased serum insulin or C-peptide (fasting and after glucose load) were predominantly heterozygous for TNF-beta (72% vs. 47%) and less frequently homozygous for TNF-beta *2 (22% vs. 43%, P = 0 x 0.03). CONCLUSION: This study demonstrates an association of TNF-beta alleles with the risk factor hyperinsulinaemia in CAD. Genomic variants of TNF-beta may therefore contribute to the complex susceptibility for the metabolic syndrome in patients with CAD.

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RGD Object Information
RGD ID: 1625034
Created: 2007-05-17
Species: All species
Last Modified: 2007-05-17
Status: ACTIVE



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