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过度训练后大鼠血清cTnⅠ、CK-MB和TNF-α变化及丹参的干预效应 被引量:8

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摘要 目的:探讨过度训练大鼠心肌损伤的机制及丹参注射液的干预效应。方法:56只健康雄性SD大鼠随机分为四组:C组、NS组、O组、OSM组。C组常规饲养;NS组进行中等强度游泳训练;O组进行负重过度训练;OSM组训练方案同O组,且从第4周开始每日灌服丹参注射液。各组分别于运动后即刻和24小时检测血清CK-MB活性、心肌肌钙蛋白Ⅰ(cTnⅠ)及肿瘤坏死因子(TNF-α)含量,电镜下观察心肌组织形态学变化。结果:(1)O组、OSM组即刻和24小时血清cTnⅠ、CK-MB及TNF-α均高于C组和NS组(P<0.05),OSM组低于O组(P<0.05)。(2)O组心肌病理组织学和超微结构改变明显,OSM组变化程度轻于O组。结果提示:丹参注射液能有效减轻过度训练大鼠的心肌损伤,其机制可能与减少机体炎症介质的产生与释放有关。
出处 《中国运动医学杂志》 CAS CSCD 北大核心 2008年第3期354-356,共3页 Chinese Journal of Sports Medicine
基金 国家自然科学基金资助项目(编号30671019)
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