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CURRENT ISSUEINTERNATIONAL ANGIOLOGY

A Journal on Angiology

Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,899

Frequency: Bi-Monthly

ISSN 0392-9590

Online ISSN 1827-1839

 

International Angiology 2011 June;30(3):221-6

    ORIGINAL ARTICLES

The association between subclinical atherosclerosis in carotid arteries and Connexin 37 gene polymorphism (1019C>T; Pro319Ser) in women

Pitha J. 1, Hubácek J. A. 2, Cífková R. 1, S˘kodová Z. 1, Stávek P. 1, Lánská V. 1, Kovár J. 1, Poledne R. 1

1 Institute for Clinical and Experimental Medicine, Prague, Czech Republic;
2 Centre for Cardiovascular Research, Prague, Czech Republic

AIM:The aim of our study was to evaluate a possible association between subclinical atherosclerosis in carotid arteries and the connexin 37 gene polymorphism (1019C>T; Pro319Ser) in a population of urban and rural women.
METHODS: A 5% population sample of urban women aged 45-54 years (N.=896) and a 1% representative sample of rural women aged 33-72 years (N.=152) were examined using an identical protocol and genotyped for Cx37 gene polymorphism. The association between the Cx37 polymorphism and intima-media thickness in common carotid arteries measured by ultrasound (CIMT) was studied.
RESULTS:We have found a different pattern of the effect of the Cx37 gene on CIMT with regard to fasting glycemia with significant interaction between fasting glycemia and Cx37 gene on CIMT (test for equality of slopes P<0.0001). In addition, we also detected potential threshold effect of fasting glycemia at the concentration of 5.5 mmol/L (ANCOVA; P=0.026). Carriers of TT genotype showed protection against subclinical atherosclerosis if their fasting glycemia was above 5.5 mmol/L.
CONCLUSION: In women with higher fasting glycemia TT genotype of Cx37 polymorphism was protective against subclinical atherosclerosis. Therefore, the Cx37 gene may exert completely different effects in the artery wall, depending on glycemia.

language: English


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