A novel Wnt regulatory axis in endometrioid endometrial cancer
Publication in refereed journal

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摘要The Protocadherin 10 (PCDH10) is inactivated often by promoter hypermethylation in various human tumors, but its possible functional role as a tumor suppressor gene is not established. In this study, we identify PCDH10 as a novel Wnt pathway regulatory element in endometrioid endometrial carcinoma (EEC). PCDH10 was downregulated in EEC tumor cells by aberrant methylation of its promoter. Restoring PCDH10 levels suppressed cell growth and triggered apoptosis in EEC cells and tumor xenografts. Gene expression profiling revealed as part of the transcriptomic changes induced by PCDH10 a reduction in levels of MALAT1, a long noncoding RNA, that mediated tumor suppression functions of PCDH10 in EEC cells. We found that MALAT1 transcription was regulated by Wnt/β-catenin signaling via TCF promoter binding and PCDH10 decreased MALAT1 by modulating this pathway. Clinically, MALAT1 expression was associated with multiple parameters in patients with EEC. Taken together, our findings establish a novel PCDH10-Wnt/β-catenin-MALAT1 regulatory axis that contributes to EEC development.
著者Zhao Y., Yang Y., Trovik J., Sun K., Zhou L., Jiang P., Lau T.-S., Hoivik E.A., Salvesen H.B., Sun H., Wang H.
期刊名稱Cancer Research
出版年份2014
月份8
日期1
卷號74
期次18
出版社American Association for Cancer Research
出版地United States
頁次5103 - 5117
國際標準期刊號0008-5472
電子國際標準期刊號1538-7445
語言英式英語

上次更新時間 2021-16-01 於 01:05