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钙离子（Ca2+）是细胞内兴奋-收缩／分泌偶联的关键因子，血管平滑肌细胞内Ca2+是决定血管平滑肌反应性和血管张力的主要因素，也是高血压形成的最后共同途径［’］。有高血压家族遗传史的正常血压者及高血压前期大鼠的淋巴细胞和血小板以及平滑肌细胞胞浆游离钙高于对照组，且
Calcium (Ca2 +) is a key factor in the excitation / contraction / secretion coupling of cells. Ca2 + in vascular smooth muscle cells is the main factor that determines the vascular smooth muscle reactivity and vascular tone. It is also the final common pathway for the formation of hypertension. Hypertensive family history of normal blood pressure and prehypertensive rats lymphocytes and platelets and smooth muscle cell cytoplasmic free calcium higher than the control group, and