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1.重庆医科大学附属永川医院妇产科,重庆 402160
2.重庆医科大学附属第一医院妇产科,重庆 400016
3.重庆医科大学附属永川医院中心实验室重庆 402160
章海林,Email:348174421@qq.com,研究方向:妇产科学研究。
周 勤,Email:1733638008@ qq.com。
收稿:2023-10-26,
修回:2023-12-06,
录用:2023-12-15,
纸质出版:2024-02-28
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章海林,李聪,肖正华,等.PSME1/2通过抑制CDK15的表达促进子宫内膜癌细胞的增殖和侵袭[J].重庆医科大学学报,2024,49(2):158-164.
Zhang Hailin,Li Cong,Xiao Zhenghua,et al.Proteasome activator subunit 1/2 promotes the proliferation and invasion of endometrial carcinoma cells by inhibiting the expression of cyclin-dependent kinase 15[J].Journal of Chongqing Medical University,2024,49(2):158-164.
章海林,李聪,肖正华,等.PSME1/2通过抑制CDK15的表达促进子宫内膜癌细胞的增殖和侵袭[J].重庆医科大学学报,2024,49(2):158-164. DOI: 10.13406/j.cnki.cyxb.003435.
Zhang Hailin,Li Cong,Xiao Zhenghua,et al.Proteasome activator subunit 1/2 promotes the proliferation and invasion of endometrial carcinoma cells by inhibiting the expression of cyclin-dependent kinase 15[J].Journal of Chongqing Medical University,2024,49(2):158-164. DOI: 10.13406/j.cnki.cyxb.003435.
目的
2
探索人类蛋白酶体激活剂(proteasome activator subunit,PSME)1/2在子宫内膜癌(endometrial carcinoma,EC)中的表达水平及其对EC细胞增殖和侵袭的影响。
方法
2
检测子宫内膜细胞系和原代细胞中PSME1/2和细胞周期蛋白依赖性激酶15(cyclin-dependentkinase 15,CDK15)的表达,以敲低株分析PSME1/2与CDK15的表达相关性及其对肿瘤增殖和侵袭影响。比较PSME1/2和CDK15在EC组织和癌旁组织中的表达水平差异,并分析其对EC患者预后的影响。
结果
2
与人正常子宫内膜细胞系相比,PMSE1/2在HEC1B(human endometrial adenocarcinoma cells,HEC1B)及原代细胞中mRNA(messenger RNA,mRNA)高表达和蛋白高表达,CDK15蛋白表达量下降。与对照组和双敲组比,CDK15在HEC1B系PSME1/2敲低株的蛋白表达升高,提示CDK15可能受PSME1/2抑制。在EC组织PMSE1/2高表达,CDK15低表达。PSME1/2表达与患者临床资料如年龄、术后诊断分型、分化程度、术后分期等差异无统计学意义(
P
>
0.05)。PSME1/2、CDK15的表达与EC患者的不良预后无明显相关性(
P
>
0.05)。
结论
2
PSME1/2抑制CDK15的表达而促进EC细胞的增殖和侵袭,PSME1/2具有促EC作用。
Objective
2
To investigate the expression level of proteasome activator subunit 1/2(PSME1/2) in endometrial carcinoma and its effect on the proliferation and invasion of endometrial carcinoma cells.
Methods
2
The expression levels of PSME1/2 and cyclin-dependent kinase 15(CDK15) were measured in endometrial cell lines and primary cultured cells,and knock-down strains were used to analyze the correlation between PSME1/2 and CDK15 and the effect of PSME1/2 on tumor proliferation and invasion. The expression levels of PSME1/2 and CDK15 were compared between endometrial carcinoma tissue and paracancerous tissue,and the influence of PSME1/2 and CDK15 on the prognosis of patients with endometrial carcinoma was analyzed.
Results
2
Compared with normal human endometrial cell lines,human endometrial adenocarcinoma HEC1B cells and primary cultured cells had high mRNA and protein expression levels of PMSE1/2 and a reduction in the protein expression of CDK15. Compared with the control group and the double knock-down group,there was an increase in the protein expression level of CDK15 in the HEC1B line with PSME1/2 knock-down,suggesting that CDK15 might be inhibited by PSM
E1/2. There was a high expression level of PMSE1/2 and a low expression level of CDK15 in endometrial carcinoma. There were no significant differences in age,postoperative diagnosis and typing,degree of tumor differentiation,and postoperative stage between the high PSME1/2 expression group and the low PSME1/2 expression group(
P
>
0.05). There was no significant correlation between the expression of PSME1/2 and CDK15 and the poor prognosis of patients with endometrial carcinoma(
P
>
0.05).
Conclusion
2
PSME1/2 can inhibit the expression of CDK15 and promote the proliferation and invasion of endometrial carcinoma cells,and PSME1/2 can also promote endometrial carcinoma.
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