4、;肌肉蛋白 :G804.2 文献标志码:A :1007-3612(2012)11-0046-08 The Effects of Androgen Regulating on the MAPK and mTOR Pathechanism of androgen regulating muscle hypertrophy, and investigated the changing characteristics and regular pattern of MAPK pathTOR pathuscle by exer
5、cise and exogenous DHT. Methods: 24 adult male SpragueDaly divided into 4 groups after adaptive training: sedentary (S), subcutaneous(SC) implant of DHT (D), exercise (E), and bination of exercise and sc implant of DHT (ED). For DHT administration, each animal r
6、eceived an subcutaneous implant of a DHTcontaining pellet. The others had sham operation. HC and the phosphorylation expression of AR, MEK, ERK, p90RSK, mTOR, p70S6K and 4EBP1 of skeletal muscle ined by uscle RNA of D, E and ED group RNA TOR, p70S6K and 4EBP1 of
7、 D group were increased 21%, 35%, 31%, 30%, 26%, 28% and 23%. E Group’s were increased 25%, 30%, 23%,摘 要:目的:通过皮下埋植双氢睾酮(DHT)缓释剂并结合运动,探讨雄激素对骨骼肌内mTOR通路和MAPK通路的影响,旨在对雄激素促进骨骼肌蛋白合成的调控机制进行深入研究。方法:24只雄性成熟SD大鼠在适应性训练后随机分为安静对照组(S)、DHT组(D)、运动组(E)和DHT运动组(ED)。在大鼠颈背部皮下埋植DHT缓释剂