期刊
MOLECULAR AND CELLULAR BIOCHEMISTRY
卷 461, 期 1-2, 页码 15-22出版社
SPRINGER
DOI: 10.1007/s11010-019-03584-x
关键词
Reference genes; RT-qPCR; Heart; Left ventricle; Chronic hypoxia; Rat
类别
资金
- CHARLES UNIVERSITY GRANT AGENCY [200317]
- GRANT AGENCY OF THE CZECH REPUBLIC [16-12420Y, 19-04790Y]
Adaptation to chronic hypoxia renders the heart more tolerant to ischemia/reperfusion injury. To evaluate changes in gene expression after adaptation to chronic hypoxia by RT-qPCR, it is essential to select suitable reference genes. In a chronically hypoxic rat model, no specific reference genes have been identified in the myocardium. This study aimed to select the best reference genes in the left (LV) and right (RV) ventricles of chronically hypoxic and normoxic rats. Sprague-Dawley rats were adapted to continuous normobaric hypoxia (CNH; 12% O-2 or 10% O-2) for 3 weeks. The expression levels of candidate genes were assessed by RT-qPCR. The stability of genes was evaluated by NormFinder, geNorm and BestKeeper algorithms. The best five reference genes in the LV were Top1, Nupl2, Rplp1, Ywhaz, Hprt1 for the milder CNH and Top1, Ywhaz, Sdha, Nupl2, Tomm22 for the stronger CNH. In the RV, the top five genes were Hprt1, Nupl2, Gapdh, Top1, Rplp1 for the milder CNH and Tomm22, Gapdh, Hprt1, Nupl2, Top1 for the stronger CNH. This study provides validation of reference genes in LV and RV of CNH rats and shows that suitable reference genes differ in the two ventricles and depend on experimental protocol.
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