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本研究着重探讨表皮生长因子(EGF)对大鼠肺动脉的收缩作用及对肺血管平滑肌细胞分裂增殖的影响。浓度为1×10~(-9)~1×10~(-7)M的EGF可引起大鼠肺动脉环产生浓度依赖性收缩(r=0.968),其Emax为100.6
This study focused on the epidermal growth factor (EGF) on pulmonary artery contraction and pulmonary vascular smooth muscle cell division and proliferation. EGF concentration of 1 × 10 ~ (-9) ~ 1 × 10 ~ (-7) M induced a concentration-dependent contraction of rat pulmonary artery rings (r = 0.968) with an Emax of 100.6