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补阳还五汤对家兔血管内皮损伤后血小板源性生长因子受体和原癌基因表达的影响 被引量:1

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摘要 目的探讨中药补阳还五汤对家兔血管内皮损伤后血小板源性生长因子受体(PDGFR)和原癌基因c—myc表达的影响。方法将健康新西兰大耳白兔20只,随机分为模型组、中药组,每组各10只,模型组、中药组高脂饲料喂养4周后行腹主动脉内膜剥脱术造模。术后各组予正常饲料喂养,中药组予补阳还五汤灌胃4周,模型组予0.9%氯化钠注射液灌胃4周。造模术4周后处死家兔取腹主动脉,用原位杂交法观察各组对PDGFRmRNA、c—myc表达的影响。结果模型组PDGFRmRNA的表达阳性率为90%(9/10),明显高于中药组的70%(7/10)(P〈0.01),模型组c-myc染色细胞阳性率(%)为(18.12±2.35)%,明显高于中药组的(9.26±0.84)%(P〈0.01),模型组PDGFRmRNA、C-myc表达增加,而中药组使血管PDGFRmRNA、c-mycmRNA表达下降。结论补阳还五汤对血管内膜增殖早期PDGFR、c-myc有拮抗作用,对血管内皮损伤有一定的保护作用,为抗经皮腔内冠状动脉成形术PTCA术后再狭窄提供较充足的实验依据。
出处 《中国基层医药》 CAS 2012年第7期1011-1012,共2页 Chinese Journal of Primary Medicine and Pharmacy
基金 浙江中医药大学科研基金项目(2009LX09)
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参考文献10

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