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补充活性肽对大鼠大强度离心运动后蛋白质代谢的影响 被引量:1

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摘要 目的:观察补充活性肽后大鼠氮平衡、血清蛋白、BUN的变化,研究活性肽对运动大鼠蛋白质代谢的影响。方法:雄性SD大鼠40只,依是否补充活性肽、是否运动,随机分为4组,即不运动补安慰剂组(A组),补活性肽组(B组),运动补安慰剂组(C组)和补活性肽组(D组)。所有动物膳食平衡1周后,进行实验。C、D组大鼠以(20±1)m/min的速度,坡度为-16°,持续性跑台训练120min。动物在膳食平衡期间B、D组每天分别进行灌胃15%活性肽饮料2ml,A、C组则为等量的安慰剂。结果:与A组比较,D组氮平衡值是其7.4倍(P<0.001);与B组比较,D组氮平衡值减低36.2%(P<0.001);与运动补安慰剂组比较,补充活性肽运动组氮平衡值是C组的15.2倍(P<0.001)。说明大强度运动后大鼠处负氮平衡,而补充活性肽则可纠正机体的负氮平衡。结论:补充活性肽可抑制或减轻体内"负氮平衡"的负作用,促进蛋白质代谢。
出处 《中国康复医学杂志》 CAS CSCD 北大核心 2007年第9期815-817,共3页 Chinese Journal of Rehabilitation Medicine
基金 湛江师范学院博士专项资金资助(ZL0508)
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