期刊
CHINESE JOURNAL OF INTEGRATIVE MEDICINE
卷 14, 期 3, 页码 197-201出版社
SPRINGER
DOI: 10.1007/s11655-008-0197-y
关键词
sodium tanshinone II A sulfonate; angiotensin II; cardiac myocyte hypertrophy; c-fos
资金
- National Natural Science Foundation of China [30500657]
Objective: To investigate the effects of sodium tanshinone II A sulfonate (STS) oil the hypertrophy induced by angiotensin II (Ang II) in primary cultured neonatal rat cardiac myocytes. Methods: The effect of STS on cytotoxicity was evaluated using the 3-(4,5-dimethylthiazol-2-yl)-3,5-phenytetrazoliumromide (MTT) assay. As indexes for cardiocyte hypertrophy, cell size was determined by phase contrast microscopy and protein synthesis rate was measured by H-3-leucine incorporation. The proto-oncogene c-fos mRNA expression of cardiocytes was assessed using reverse transcription polymerase chain reaction (RT-PCR). Results: STS could inhibit cardiocyte hypertrophy, increase the protein synthesis rate and enhance proto-oncogene c-fos mRNA expression in cardiocytes induced by Ang II (P<0.01), with an effect similar to that of Valsartan, the Ang II receptor antagonist. Conclusion: STS can prevent the hypertrophy of cardiac myocytes induced by Ang II, which may be related to its inhibition of the expression of proto-oncogene c-fos mRNA.
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