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目的探讨三七皂苷R1(notoginsenosideR1)对慢性低氧(chronichypoxia,CH)及野百合碱(monocrotaline,MCT)致肺高压(pulmonary hypertension,PH)大鼠肺动脉平滑肌细胞(pulmonary arterial smooth muscle cells,PASMCs)钙池操纵性钙内流(store-operated calciumentry,SOCE)的作用.方法制备CH及MCT致PH大鼠模型,通过Mn2+淬灭Fura-2荧光和Fluo-3荧光检