PMID: 20629309Jul 16, 2010Paper

Expression of SSB gene in rats with early isehemic myocardium and its implications

Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition
Tian-Yi ChenLin Zhang

Abstract

To examine the expression of Sjögren's syndrome antigen B (SSB) gene in rats with early ischemic myocardium. Adult healthy Sprague-Dawley rats were randomly divided into four groups (ischemia (MI), non-ischemia (NI), sham-operated (SO) and normal control (NO) groups). The expression of SSB and beta-actin gene in the myocardium was examined by real time PCR at 0 min, 5 min, 15 min, 30 min, 60 min, 120 min after ligation of the left anterior descending coronary artery (LAD). The expression of SSB gene was down-regulated after ischemia. Significantly lower expression of the gene in the rats with myocardial ischemia was found at 120 min after ligation compared with those before ligation and the control group at 120 min after ligation (P < 0.05 ). However, no significant differences were found between other groups (P > 0.05). SSB gene may be involved in the pathophysiologic regulating process in myocardial cells at the early stage of myocardial ischemia in rats.

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