Mice that produced no osteocalcin lacked this hormonal weight-control mechanism.
未能产生骨钙素的老鼠缺乏这种激素的体重控制机制。
The types of rolled-leaf mutant were introduced, and the potential mechanism from the aspects of the cellular level, hormonal regulation, molecular genetics and environmental factors were reviewed.
介绍了卷叶突变体的类型，并从细胞水平、激素调控、分子遗传及环境因素等方面综述了叶卷曲突变体发生的机制。
PURPOSE We study the nutrient and hormonal regulation of PDX-1 expression and insulin synthesis, so as to reveal the effects that PDX-1 expression has on insulin synthesis and its possible mechanism.
目的：通过研究在不同干预因素刺激下胰岛细胞PDX-1表达水平和胰岛素分泌量的变化，从而揭示PDX-1 蛋白表达水平对胰岛细胞分泌功能的影响并进一步讨论其可能的调控机制。
Accumulating evidence suggests that EH is present in all insects and may provide a general hormonal mechanism to regulate ecdysis.
越来越多的证据表明羽化激素可能存在于所有的昆虫中，并作为一种调节蜕皮的一般性激素机制。
Accumulating evidence suggests that EH is present in all insects and may provide a general hormonal mechanism to regulate ecdysis.
越来越多的证据表明羽化激素可能存在于所有的昆虫中，并作为一种调节蜕皮的一般性激素机制。
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