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蜂毒肽对人肝癌细胞SMMC-7721迁移与侵袭的影响 被引量:2

Effects of melittin on migration and invasion of human hepatocellular carcinoma cells line SMMC-7721
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摘要 目的探讨蜂毒肽对人肝癌细胞SMMC-7721迁移与侵袭的影响,并初步研究其作用机制。方法浓度为2、4、8、12和16μg/ml的蜂毒肽作用SMMC-7721细胞24h,采用倒置显微镜观察细胞形态变化,MTT法检测蜂毒肽对SMMC-7721细胞增殖活性的影响,细胞划痕实验观察对细胞迁移能力的影响,Transwell小室法检测细胞侵袭能力。Western blot法检测细胞内MMP-9和NF-κB p65蛋白表达变化。结果与对照组相比,2-16μg/ml的蜂毒肽作用SMMC-7721细胞后,细胞逐渐圆缩,崩解或死亡细胞增多,细胞存活率下降,差异有统计学意义(P<0.05)。划痕实验结果显示,蜂毒肽作用后细胞迁移能力明显下降。Transwell小室结果显示,蜂毒肽对SMMC-7721细胞侵袭能力具有显著抑制作用,差异有统计学意义(P<0.05)。Western blot结果显示,蜂毒肽处理组细胞MMP-9和NF-κB p65蛋白表达呈现下降趋势,差异有统计学意义(P<0.05)。结论蜂毒肽对SMMC-7721细胞迁移与侵袭具有抑制作用,其机制可能通过抑制NF-κB通路调控MMP-9的表达。
出处 《毒理学杂志》 CAS CSCD 2018年第6期472-475,共4页 Journal of Toxicology
基金 吉林省教育厅“十三五”科学技术项目(JJKH20170419KJ) 2016年国家级大学生创新创业训练计划项目(201613706018) 吉林市科技计划项目(20156428) 吉林省卫计委青年科研课题(2015Q041)
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