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Ca2+是细胞信号传导过程中最常见的第二信使,许多蛋白质直接或间接与之结合后被活化,对机体正常生理功能有十分重要的意义。机体有一套周密的调节机制用于严格控制细胞内、外钙离子浓度的瞬间变化。细胞浆自由钙离子浓度的调节依赖两种方式:(1)细胞内外Ca2+的交换;(2)细胞内钙?
Ca2 + is the most common second messenger in cell signal transduction. Many proteins are activated directly or indirectly after binding to them, which is of great importance to the normal physiological function of the body. The body has a well-regulated mechanism for the strict control of intracellular and extracellular calcium concentration changes in the moment. The regulation of free calcium ion concentration depends on two ways: (1) intracellular and extracellular Ca2 + exchange; (2) intracellular calcium