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漆树黄酮对人肝癌细胞株HepG2增殖、生长周期和细胞凋亡的影响 被引量:4

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摘要 目的观察漆树黄酮对人肝癌细胞株HepG2细胞生长增殖和生长周期的影响,并初步探讨其作用机制。方法采用MTT比色法研究漆树黄酮对人肝癌细胞株HepG2细胞生长抑制作用;通过流式细胞仪检测DNA含量,分析细胞周期的分布。结果 MTT实验结果表明较高浓度的漆树黄酮对人肝癌细胞株HepG2细胞具有直接的抑制作用,并呈剂量和时间依赖性,200μmol.L-1的漆树黄酮作用于人肝癌细胞株HepG2细胞72 h后,对细胞生长的抑制率最高可达53.78%,同对照组相比(P<0.01);流式细胞术实验结果表明,不同浓度的漆树黄酮作用于人肝癌细胞株HepG2 12 h后,可使G1期肿瘤细胞增多,引起G1期阻滞,作用时间为24 h、48 h时,则可引起S期阻滞;同时,不同浓度的漆树黄酮在不同的时间点都可使HepG2细胞出现明显的凋亡峰。结论漆树黄酮具有直接抑制肿瘤细胞生长的作用,其机制可能与引起细胞周期阻滞和诱导凋亡有关。
出处 《时珍国医国药》 CAS CSCD 北大核心 2010年第12期3206-3207,共3页 Lishizhen Medicine and Materia Medica Research
基金 广东医学院重点学科建设基金(No.ZK9404)
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