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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Pitavastatin inhibits cardiac hypertrophy in a rat model of progressive renal injury.

Increased cardiovascular mortality is an unresolved problem of chronic renal failure. Cardiac hypertrophy, observed in many patients with chronic renal failure, is a major risk factor for cardiovascular death. The purpose of the present study was to examine the effects of pitavastatin on cardiac hypertrophy in a progressive renal injury rat model by subtotal nephrectomy (SNx). Because we previously reported that angiotensin II played a pivotal role in cardiac hypertrophy of SNx rats, we first investigated the effects of pitavastatin on angiotensin II-induced activation of extracellular signal-regulated kinase ( ERK) and serum response element (SRE) DNA-binding activity using neonatal rat cardiomyocytes. Angiotensin II-induced ERK activation was attenuated by pretreatment with pitavastatin. Luciferase assay revealed that angiotensin II-induced increase in SRE DNA-binding activity was inhibited by pitavastatin. We next examined the effect of pitavastatin on cardiac hypertrophy of SNx rats in vivo. Treatment with pitavastatin prevented ERK activation and cardiac hypertrophy in SNx rats without changes in blood pressure. The increased expression of atrial natriuretic factor mRNA in SNx rat hearts was significantly attenuated by the treatment with pitavastatin. These results suggest that pitavastatin has a beneficial effect on cardiac hypertrophy in renal failure through preventing the activation of ERK.[1]

References

  1. Pitavastatin inhibits cardiac hypertrophy in a rat model of progressive renal injury. Takahashi, H., Takeishi, Y., Arimoto, T., Shishido, T., Konta, T., Koyama, Y., Niizeki, T., Kubota, I. J. Cardiovasc. Pharmacol. (2005) [Pubmed]
 
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