质膜超极化对不同年龄大鼠肝细胞染色质和蛋白质合成的影响。

Zeitschrift fur Alternsforschung Pub Date : 1989-01-01
V V Frolkis, G I Paramonova, N B Goldstein
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引用次数: 0

摘要

质膜超极化导致细胞基因组的显著激活和肝细胞总RNA和蛋白质合成的刺激。膜电位水平的变化被认为是调控细胞遗传装置的机制之一。在老年时,超极化的刺激作用减弱,这可能是蛋白质生物合成变化的一个原因。
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Plasma membrane hyperpolarization effect on chromatin and protein biosynthesis in rat hepatocytes of different ages.

Plasmic membrane hyperpolarization resulted in a significant activation of the cell genome and a stimulation of the synthesis of total RNA and protein of hepatocytes. Changes in the level of membrane potential are thought to be one of the mechanisms of regulation of cell's genetic apparatus. In old age the stimulating effect of hyperpolarization is weakened that may be a cause of a change in protein biosynthesis.

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