Levels of cyclin D protein drop upon withdrawal of growth factors through downregulation of its protein expression and through phosphorylation-dependent degradation (4).

生长因子退出后，通过下调蛋白表达和磷酸化依赖性蛋白降解，周期蛋白D的水平下降（4）。

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And even in our sleep pain that cannot forget falls drop by drop upon the heart, and in our own despair, against our will, comes wisdom to us by the awful grace of God.

CNN: Brought up to be a good man

Upon completion of the deal, Yeung's stakes in Grandtop will drop to 9.2% from his present 16.01% stake in the company, while Winning Top and Genuine Ocean, with no details disclosed on their ownership, would hold a combined 42.37% stake in Grandtop (if they fully exercise the convertible bonds issued by Grandtop).

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