Title : Pioglitazone ameliorates systolic and diastolic cardiac dysfunction in rat model of angiotensin II-induced hypertension.

Pub. Date : 2013 Jul 31

PMID : 22277574






8 Functional Relationships(s)
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1 Pioglitazone ameliorates systolic and diastolic cardiac dysfunction in rat model of angiotensin II-induced hypertension. Pioglitazone angiotensinogen Rattus norvegicus
2 In the current study, we examined the effect of pioglitazone, an agonist of peroxisome proliferator activated receptor-gamma, on angiotensin II-induced intracardiac lipid accumulation and cardiac dysfunction. Pioglitazone angiotensinogen Rattus norvegicus
3 Pioglitazone, given orally at a dose of 2.5mg/kg/d, reduced cardiac triglyceride content and suppressed lipid deposition in the heart of angiotensin II-induced hypertensive rats without affecting angiotensin II-induced upregulation of lipogenic gene expression. Pioglitazone angiotensinogen Rattus norvegicus
4 Histological examination showed that pioglitazone reduced the area of cardiac fibrosis and iron deposition in the heart of angiotensin II-treated rats. Pioglitazone angiotensinogen Rattus norvegicus
5 Angiotensin II increased the superoxide signals detected by dihydroethidium staining in myocardial cells with lipid deposition, and this increase was suppressed by pioglitazone. Pioglitazone angiotensinogen Rattus norvegicus
6 It was found that pioglitazone improved both the systolic and diastolic cardiac performance, which was weakened by angiotensin II infusion, after transient ischemia and reperfusion. Pioglitazone angiotensinogen Rattus norvegicus
7 These findings collectively suggest that pioglitazone treatment ameliorated the histological and functional cardiac damage induced by angiotensin II infusion, the mechanism of which may be related to the antioxidative action of pioglitazone. Pioglitazone angiotensinogen Rattus norvegicus
8 These findings collectively suggest that pioglitazone treatment ameliorated the histological and functional cardiac damage induced by angiotensin II infusion, the mechanism of which may be related to the antioxidative action of pioglitazone. Pioglitazone angiotensinogen Rattus norvegicus