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裂蹄木层孔菌醋酸乙酯萃取物抗肿瘤活性初探 被引量:1

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摘要 目的探讨裂蹄木层孔菌醋酸乙酯萃取物的体外抗肿瘤活性。方法采用磺酰罗丹明染色法(SRB法),对人肝癌细胞株BEL-7404、人肺癌细胞株H-1299、人胃癌细胞株SGC-7901、人肺腺癌细胞株A-549等4种常见的人恶性肿瘤细胞进行体外抗肿瘤实验。结果裂蹄木层孔菌乙酸乙酯萃取物对BEL-7404、H-1299、SGC-7901、A-549 4株肿瘤细胞都表现出比较明显的抑制效果,且抑制率随萃取物浓度的升高而增大,呈剂量效应关系;其半数抑制浓度(IC50)分别为26.05,41.26,34.47,60.34μg.ml-1。细胞周期实验显示BEL-7404细胞在萃取物的作用下,随着萃取物浓度的增大,G0/G1期细胞分布出现大幅度降低;S期细胞和G2/M期细胞分布出现不同程度的增加,且都与萃取物浓度呈正相关。当萃取物浓度为IC50时,G2/M期细胞分布显著增多,细胞出现G2/M期阻滞。结论裂蹄木层孔菌乙酸乙酯萃取物具有比较明显的体外抗肿瘤活性。
出处 《时珍国医国药》 CAS CSCD 北大核心 2012年第9期2234-2236,共3页 Lishizhen Medicine and Materia Medica Research
基金 贵州省科技厅社会发展攻关项目(No.SY-[2011]3031)
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