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   Inhibition of MTA1 by ERα contributes to protection hepatocellular carcinoma from tumor proliferation and metastasis  
   
نویسنده deng l. ,yang h. ,tang j. ,lin z. ,yin a. ,gao y. ,wang x. ,jiang r. ,sun b.
منبع journal of experimental and clinical cancer research - 2015 - دوره : 34 - شماره : 1
چکیده    Background: although expression of mta1 inversely correlates with the nuclear localization of erα,the effect and molecular mechanism of erα regulation of mta1 remain unknown. methods: quantitative real-time pcr and western blot analyses were used to measure levels of mta1. the effect on hcc cell proliferation and invasion was assessed by edu incorporation assays and transwell,respectively. shrna and dual-luciferase assays were used to investigate the regulatory relationship between mta1 and erα in cell lines. results: we found that mta1 gene regulation by erα may be influenced by nuclear corepressors. the mta1 promoter has three functional er-element half-sites that lead to decreased mta1 transcription and expression. erα overexpression suppressed the proliferation and invasion of hepatocellular carcinoma cells (hcc). in addition,overexpression of mta1 attenuated erα-mediated suppression of the proliferation and invasion of hcc cells and tumor formation in vivo. these results suggested feedback regulation between erα and mta1. in summary,our results demonstrated that erα suppressed proliferation and invasion of human hcc cells through downregulation of mta1 transcription. conclusions: our study is an improved description of the mechanisms of the suppressive effect of erα on hccs,adding understanding to the gender disparity of hcc progression. © 2015 deng et al.
کلیدواژه Corepressor; ER element; ERα; HCC; MTA1
آدرس liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,nanjing,jiangsu province, China, department of hematology,first affiliated hospital of nanjing medical university,nanjing,jiangsu province, China, liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,nanjing,jiangsu province, China, liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,nanjing,jiangsu province, China, liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,nanjing,jiangsu province, China, liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,nanjing,jiangsu province, China, liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,nanjing,jiangsu province, China, liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,nanjing,jiangsu province,china,liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,300 guangzhou road,nanjing,jiangsu province, China, liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,nanjing,jiangsu province,china,liver transplantation center of the first affiliated hospital,state key laboratory of reproductive medicine,nanjing medical university,300 guangzhou road,nanjing,jiangsu province, China
 
     
   
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