To investigate the effect of hypoxia on rat pulmonary smooth muscle cell (PSMC).
目的：探讨缺氧对大鼠肺动脉平滑肌细胞的作用机制。
2
Objective:To observe changes of expression level of endothelin in endothelial cell after exposure to angiotensin-2 in hypoxia and investigate the protection manchanism of tee polyphenols.
目的：观察缺氧条件下血管紧张素-2对培养的血管内皮细胞分泌内皮素的影响及茶多酚的保护作用。
3
Objective To study the effects of Nao Yi An(NYA) serum on the expression of vascular endothelial growth factor(VEGF) gene in cultured rat cerebral microvascular endothelial cell(BMEC)with hypoxia.