| Effects of hypoxic endothelial cell conditioned medium on proliferation and collagen synthesis of smooth muscle cells and inhibitory effects of radix salviae miltiorrhizae. |
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| 作者姓名： | 孙宝华 袁永辉 张婉蓉 车东媛 |
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| 作者单位： | Department of Pathology School of Basic Medical Sei-ences Tongji Medical University Wuhan 430030，Department of Pathology School of Basic Medical Sei-ences Tongji Medical University Wuhan 430030，Department of Pathology School of Basic Medical Sei-ences Tongji Medical University Wuhan 430030，Department of Pathology School of Basic Medical Sei-ences Tongji Medical University Wuhan 430030 |
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| 摘 要： | The effects of hypoxic endothelial cell conditioned medium (HECCM) on proliferation and collagen synthesis of cultured porcine pulmonary arterial smooth muscle cells (PASMCs) were studied by 3H-thymidine (3H-TdR) and 3H-proline incorporations, image analysis for determination of DNA content and colorimetric assay using MTT, and the inhibitory effects of radix salviae miltiorrhizae (RSM) on them were also investigated. The results showed that HECCM could induce enhancement of the enzymatic activity of mitochondria, increase of the nucleic DNA content and increases of the 3H-TdR and 3H-proline incorporations in PASMCs. The 3H-proline incorporation in PASMCs cultured in HECCM was 1.83 times as much as that cultured in normoxic endothelial cell conditioned medium (NECCM). Compared with the control, Chinese herb medicine RSM could inhibit the proliferation of PASMCs cultured in HECCM and decrease the 3H-prolinc incorporation in PASMCs cultured in both HECCM and NECCM (P< 0.001). However, RSM had no ef fects o
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