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硫化氢在外源性SB203580预处理人卵巢癌细胞增殖与凋亡中的作用 被引量:2

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摘要 目的探讨硫氢化钠(Na HS,H2S供体)通过p38丝裂原活化蛋白激酶(p38MAPK)信号通路对人卵巢癌细胞(SKOV3细胞株)增殖与凋亡的调控作用。方法体外培养人卵巢癌细胞,随机分为正常对照组、Na HS (0. 01 mol/L)组、SB203580(0. 1 mol/L)组、Na HS联合SB203580组,每组均经药物干预处理48 h后收集细胞,细胞增殖采用四甲基偶氮唑蓝(MTT)法检测,细胞周期分布与细胞凋亡率均采用流式细胞术检测。结果 (1)与正常对照组比较,Na HS组、SB203580组、Na HS联合SB203580组人卵巢癌SKOV3细胞抑制率均显著升高,G1期细胞比例均明显增加,S期细胞均明显减少,且细胞凋亡率均明显增加,差异有统计学意义(均P<0. 01)。(2)SB203580组人卵巢癌SKOV3细胞抑制率、细胞周期各时相分布、细胞凋亡率均与Na HS组比较差异无统计学意义(P>0. 05),而与Na HS组比较,Na HS联合SB203580组人卵巢癌SKOV3细胞抑制率明显增加,G1期细胞比例明显增加,S期及G2/M期细胞比例明显减少,且细胞凋亡率明显增高,差异有统计学意义(均P<0. 01)。(3)与SB203580组相比,Na HS联合SB203580组人卵巢癌SKOV3细胞抑制率明显增加,G1期细胞比例明显增加,S期及G2/M期细胞比例明显减少,且细胞凋亡率显著增高,差异有统计学意义(均P<0. 01)。结论 H2S可能通过抑制p38MAPK信号通路抑制人卵巢癌细胞的增殖,促进人卵巢癌细胞凋亡,且H2S可协同SB203580调节人卵巢癌细胞的增殖与凋亡。
出处 《中国老年学杂志》 CAS 北大核心 2018年第19期4768-4770,共3页 Chinese Journal of Gerontology
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