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MYH9 维持 CTNNB1 蛋白的稳定性并通过 Wnt/β-catenin通路促进胶质瘤的增殖、迁移与耐药

颜 欣, 周 海旭, 覃 德领, 谭 奔, 韦 选雷, 罗 起胜

摘要

目的 探究MYH9和CTNNB1的表达通过Wnt信号通路对脑胶质瘤细胞增殖、迁移和耐药的影响。方法 通过生物信息学分析MYH9和CTNNB1在脑胶质瘤中的表达及对脑胶质瘤患者的影响。利用蛋白免疫印迹(Western blot)检测MYH9和CTNNB1对Wnt信号通路的影响。利用免疫共沉淀技术(Co-IP)和免疫荧光共定位技术检测MYH9、CTNNB1、USP14之间的相互作用。利用放线菌酮(CHX)和蛋白酶抑制剂(MG132)检测MYH9和USP14对CTNNB1蛋白半衰期的影响。结论 MYH9与CTNNB1在脑胶质瘤中高表达,共同促进脑胶质瘤的恶性与耐药。

关键词

MYH9;胶质瘤;CTNNB1;USP14;去泛素化

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参考

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