PMID: 16617681Apr 19, 2006Paper

Effects of granulocyte-colony stimulating factor on cardiac remodeling after myocardial infarction

Osaka City Medical Journal
Yasuhiro TakagiJunichi Yoshikawa

Abstract

Recent studies suggest that granulocyte colony-stimulating factor (G-CSF) may be beneficial in the treatment of myocardial infarction (MI). However, the effects of G-CSF on MI are still controversial and the molecular mechanism of G-CSF treatment for repair of the infarcted heart is not fully understood. Mice were divided into three groups: Control, MI and MI treated with G-CSF. Four weeks after MI, we examined cardiac function by Doppler echocardiography and measured non-infarcted myocardial mRNA expression by northern blot analysis. Cardiac function decreased significantly in the MI groups compared with the sham-operated groups. Additionally, the ratios of E wave to A wave peak velocity (E/A) in the MI groups were higher than in the control group. E/A in G-CSF MI mice was significantly lower than in control MI mice (p<0.01). Matrix metalloproteinase-2 (MMP-2) mRNA expression was significantly increased in the MI groups compared with the control group (p<0.01). Furthermore, mRNA expression in the G-CSF MI group was significantly higher than in the Control MI group (p<0.05). G-CSF can prevent the LV remodeling process after MI that accompanies progressive cardiac dysfunction. One of the mechanisms of G-CSF treatment for cardiac...Continue Reading

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Cardiac remodeling in response to a myocardial infarction is characterized by progressive ventricular dilatation, cardiac hypertrophy, fibrosis, and deterioration of cardiac performance. Discover the latest research on Cardiac Remodeling here.

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