In the process of biological genetic information transmission,complete and correct genetic information can make cell mitosis proceed normally.In the development of most tumor cells,G2/M cell cycle checkpoint becomes t...In the process of biological genetic information transmission,complete and correct genetic information can make cell mitosis proceed normally.In the development of most tumor cells,G2/M cell cycle checkpoint becomes the key checkpoint in the process of mitosis due to the lack of G1/S cell cycle checkpoint,which mainly depends on the abnormal DNA information blocked by Wee1 protein kinase in G2 phase to enter M phase and prolong the time of G2 phase to complete DNA sequencing So that the normal genetic information can be passed on.Wee1 protein kinase expression is significantly increased in most tumor cells,making it a potential target for tumor therapy.展开更多
目的研究活化的蛋白激酶C受体(Receptor for activated protein kinase C,RACK1)与蛋白激酶WEE1互作调控胃癌细胞株HGC27生长增殖及其作用机制。方法采用Lipofect AMINE 2000在HGC27细胞中过表达RACK1,Western blotting检测HGC27细胞中W...目的研究活化的蛋白激酶C受体(Receptor for activated protein kinase C,RACK1)与蛋白激酶WEE1互作调控胃癌细胞株HGC27生长增殖及其作用机制。方法采用Lipofect AMINE 2000在HGC27细胞中过表达RACK1,Western blotting检测HGC27细胞中WEE1蛋白表达;免疫共沉淀验证RACK1和WEE1在HGC27细胞内存在相互作用;细胞内免疫荧光观测RACK1与WEE1在HGC27细胞中的表达定位情况。结果过表达RACK1后WEE1在胃癌细胞HGC27中的表达降低,RACK1与WEE1在HGC27细胞内存在相互作用且共定位在细胞质内。结论 RACK1与WEE1共同作用调控胃癌的发生发展过程,为RACK1成为临床上胃癌治疗的潜在靶点提供理论基础和实验依据。展开更多
文摘In the process of biological genetic information transmission,complete and correct genetic information can make cell mitosis proceed normally.In the development of most tumor cells,G2/M cell cycle checkpoint becomes the key checkpoint in the process of mitosis due to the lack of G1/S cell cycle checkpoint,which mainly depends on the abnormal DNA information blocked by Wee1 protein kinase in G2 phase to enter M phase and prolong the time of G2 phase to complete DNA sequencing So that the normal genetic information can be passed on.Wee1 protein kinase expression is significantly increased in most tumor cells,making it a potential target for tumor therapy.
文摘目的研究活化的蛋白激酶C受体(Receptor for activated protein kinase C,RACK1)与蛋白激酶WEE1互作调控胃癌细胞株HGC27生长增殖及其作用机制。方法采用Lipofect AMINE 2000在HGC27细胞中过表达RACK1,Western blotting检测HGC27细胞中WEE1蛋白表达;免疫共沉淀验证RACK1和WEE1在HGC27细胞内存在相互作用;细胞内免疫荧光观测RACK1与WEE1在HGC27细胞中的表达定位情况。结果过表达RACK1后WEE1在胃癌细胞HGC27中的表达降低,RACK1与WEE1在HGC27细胞内存在相互作用且共定位在细胞质内。结论 RACK1与WEE1共同作用调控胃癌的发生发展过程,为RACK1成为临床上胃癌治疗的潜在靶点提供理论基础和实验依据。
