Abstract

目的 探讨罗哌卡因通过Wnt信号通路抑制胃癌细胞NCI-N87增殖、迁移和侵袭的机制。 方法 采用罗哌卡因细胞培养液培养胃癌细胞NCI-N87,并分为对照组(0 μg/mL罗哌卡因)、ROP-L组(160 μg/mL罗哌卡因)、ROP-M组(320 μg/mL罗哌卡因)、ROP-H组(640 μg/mL罗哌卡因)、ROP-H+Licl(640 μg/mL罗哌卡因、Wnt信号激活剂Licl)组。MTT法检测细胞增殖活性;Transwell小室检测细胞迁移和侵袭的能力变化;Western blot方法分析基质金属蛋白酶-9(MMP-9)、基质金属蛋白酶-2(MMP-2)、上皮钙黏蛋白(E-cadherin)、β-连环蛋白(β-catenin)、钙黏蛋白(N-cadherin)、Wnt1的蛋白表达水平。 结果 与对照组比较,ROP-L组、ROP-M组、ROP-H组胃癌细胞迁移和侵袭数目逐渐降低,增殖活性降低,细胞中MMP-2和MMP-9蛋白表达水平逐步减少,细胞中E-cadherin蛋白表达水平逐步增加,N-cadherin、Wnt1、β-catenin蛋白表达水平逐渐降低(P 结论 罗哌卡因通过下调Wnt信号通路抑制胃癌细胞NCI-N87的增殖、迁移、侵袭和上皮间质转化(EMT)。

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