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Cardiotoxin肌损伤模型的形态学观察 被引量:2

Morphological observation of muscle injury model induced by cardiotoxin injection in mice
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摘要 目的 建立由Cardiotoxin所致的肌损伤模型并了解损伤部位自然修复的情况 ,为研究肌损伤的再生及修复作用奠定基础。方法 将Cardiotoxin按 8μg g体质量局部注入SCID小鼠股四头肌中 ,分别观察不同时相点 ( 2 4h、7d、2周、4周和 6周 )损伤部位的病理改变。结果 注射 2 4h后可见肌细胞变性坏死 ,胞浆内有空泡形成 ;7d后肌纤维发生明显断裂 ,变性坏死加重 ,并出现钙化 ;2周后变性坏死钙化加重达到顶峰 ;4周后变性坏死钙化依然存在 ,但已可见部分肌纤维再生 ;6周后变性坏死已不明显 ,钙化仍存在 ,肌细胞大部分再生。结论 成功地建立了Cardiotoxin所致的肌损伤模型 ,该模型稳定、简便、易控制 ,且重复性好。
出处 《第三军医大学学报》 CAS CSCD 北大核心 2003年第14期1302-1304,共3页 Journal of Third Military Medical University
基金 国家重点基础研究发展规划资助项目 ("973"项目 ) (G19990 54 2 0 5)
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同被引文献27

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