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DDPH对实验性高血压大鼠血管平滑肌细胞增殖及对PDGF-B,bFGF,c-sis,c-myc的影响

Effects of 1 (2, 6 dimethylphenoxy) 2 (3, 4 dimethoxyphenylethylamino) propane hydrochloride on proliferation of vascular smooth muscle cells and PDGF B, bFGF, c sis, c myc in experimental hypertensive rats
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摘要 目的:观察1(2,6二甲基苯氧基)2(3,4二甲氧基苯乙胺基)丙烷盐酸盐(DDPH)对实验性高血压大鼠血管平滑肌细胞(VSMC)增殖的作用及对生长因子PDGFB,bFGF及其相关癌基因csis,cmyc表达的影响。方法:采用氚胸腺嘧啶核苷(3HTdR)掺入法,电镜,免疫组化,原位杂交法进行实验观察。结果:DDPH在降低血压同时,能减少VSMC的线粒体,粗面内质网和3HTdR掺入量,并能逆转VSMC增殖时PDGFB,bFGF抗原及csis,cmycmRNA的表达增强。结论:DDPH能抑制实验性高血压大鼠的VSMC增殖,与生长因子及癌基因调控的分子生物学机制有关。 OBJECTIVE: To determine the effects of 1 (2, 6 dimethylphenoxy) 2 (3, 4 dimethoxyphenylethy lamino) propane hydrochloride (DDPH) on proliferation of vascular smooth muscle cells (VSMC) and the expression of growth factor PDGF B, bFGF and oncogene c sis, c myc in experimental hypertensive rats. METHODS: 3 H thymidine ( 3 H TdR) incorporation, electronic microscopy, immunohistochemistry and in situ hybridization assaies were used. RESULTS: After administration of DDPH, morphological change of VSMC was antagonized, and blood pressure and 3 H TdR data were significantly reduced. Furthermore, DDPH reversed the enhanced expression of antigen PDGF B, bFGF and reduced expression of oncogene c sis, c myc in experimental hypertensive rats. CONCLUSION: These results suggested that DDPH might inhibit proliferation of VSMC in experimental hypertensive rats, related to the mechanism of molecular biology of controlling growth factors and oncogene.
出处 《中国药学杂志》 CAS CSCD 北大核心 1997年第9期529-532,共4页 Chinese Pharmaceutical Journal
基金 国家卫生部科研基金 中国博士后科学基金
关键词 高血压 血管平滑肌 生长因子 癌基因 细胞增殖 dimethylphenoxy) 2 (3, 4 dimethoxyphenylethylamino) propane hydrochloride, experimental hypertensive rats, vascular smooth muscle cells, growth factor, oncogene
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  • 1赵华月,Chin Med J,1990年,104卷,770页
  • 2谭获,中西医结合杂志,1989年,9卷,540页
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