LED-蓝光对大鼠肝再生TNF-α、IL-6的影响

Medical Research and Education(2013)

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Abstract
目的探讨LED-蓝光对大鼠肝大部切除肝再生后TNF-α、IL-6含量变化的影响。方法健康雄性Wistar大鼠24只,随机分为3组,假手术组、模型组及LED干预组。采用Higgins改良方法制备大鼠70%肝切除后肝再生的模型,在手术后的不同时间点,检测血清中TNF-α、IL-6的含量变化。结果各实验组动物在手术后1 d血清中TNF-α、IL-6的水平均有升高,模型组和LED干预组的TNF-α、IL-6水平均高于假手术组(P<0.05),且LED干预组的TNF-α、IL-6水平均显著高于模型组;在术后3 d假手术组血清TNF-α、IL-6水平即趋于正常,而模型组和LED干预组TNF-α、IL-6水平达高峰;在术后5 d和7 d,模型组和LED干预组血清中TNF-α、IL-6的水平开始下降,但LED干预组TNF-α、IL-6的水平仍高于模型组。结论LED-蓝光对肝切除后肝再生起明显的促进作用,其机制可能与增强TNF-α、IL-6的含量有关。
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Key words
blue LED,TNF-α,liver regeneration,IL-6
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