摘要
目的 :探讨用粒细胞集落刺激因子 (G -CSF)干预性治疗心肌梗塞动物模型的作用。方法 :健康大鼠随机分为心肌梗塞干预性治疗组和心肌梗塞对照组。干预性治疗组予G -CSF 10 μg·kg-1·d-1皮下注射 5d ,并于第 3d用盐酸异丙肾上腺素 (ISO) 5mg/kg腹腔注射复制大鼠心肌梗塞模型。对照组皮下注射等量生理盐水 5d ,也于第 3d用ISO复制心肌梗塞模型。两组均于注射ISO后 2周、4周将动物处死 ,取出心脏 ,病理检查大鼠心肌梗塞的病理变化情况。结果 :注射ISO后 2周、4周 ,干预性治疗组心室肌疤痕组织面积显著小于对照组 (P <0 .0 5 ) ,并可见到心肌细胞、平滑肌细胞、血管内皮细胞的再生。结论 :G -CSF能促进梗死后心肌组织再生 ,明显减少心肌梗塞后疤痕组织范围 ,可用于急性心肌梗塞的干预性治疗。
AIM:To investigate the effects of granulocyte colony-stimulating factor (G-CSF) on the myocardial infarction in experimental rats. METHODS: Rats were randomly divided into GT group and saline control group (SC).The rats of GT group were treated with G-CSF(10 μg/kg) once a day subcutaneously for 5 days and those of SC group were received saline .On the third day, both groups were injected with isoprenaline(ISO) interaperitoneally to develop acute ischemic model. The hearts were harvested from 2 weeks to 4 weeks after administration of ISO for histopathological examination. RESULTS: Compared with saline control group, G-CSF treatment group significantly reduced the scar size( P< 0.05). We also found the regeneration of myocytes, smooth muscle and endothelial cells. CONCLUSION: G-CSF treatment could be benefical to the regeneration of infarcted myocardium and significantly reduce scar size and it could be used for therapeutic intervention of the acute myocardial infarction.
出处
《中国病理生理杂志》
CAS
CSCD
北大核心
2001年第12期1153-1155,I001,共4页
Chinese Journal of Pathophysiology
基金
山东格兰百克制药有限公司科研基金部分资助
