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长期跑台运动对大鼠跟腱胶原和胰岛素生长因子表达的影响 被引量:2

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摘要 目的:探讨长期跑台运动对大鼠跟腱胶原含量、胶原I、胶原III及胰岛素生长因子(IGF-I)表达的影响。方法:20只SD雄性大鼠随机分为对照组和运动组。对照组不运动。运动组进行12周跑台运动,速度为20m/min,坡度为10%,每天40min。采用ELISA法测定I型胶原的前胶原氨基末端肽(PINP)I、II型胶原的前胶原氨基末端肽(PIIINP)和IGF-I含量;采用实时荧光定量PCR法测定前胶原Iα1 mRNA、前胶原IIIα1 mRNA和IGF-I mRNA表达水平。结果:与对照组相比,运动组血清IGF-I含量、跟腱PINP和IGF-I含量及前胶原Iα1mRNA和IGF-I mRNA表达显著升高(P<0.01)。结论:长期跑台运动可以通过提高跟腱胶原I合成量来适应负荷I,GF-I在跟腱对运动的适应中可能有一定作用。
出处 《中国运动医学杂志》 CAS CSCD 北大核心 2010年第1期74-76,共3页 Chinese Journal of Sports Medicine
基金 江苏省社会发展项目(BS2006020)
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同被引文献52

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