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|標題:||Human papillomavirus infection and expression of ATPase family AAA domain containing 3A, a novel anti-autophagy factor, in uterine cervical cancer||作者:||Chen, T.C.
|關鍵字:||high risk HPV;ATAD3A;drug resistance;autophagy;prognosis;lung adenocarcinoma cells;dihydrodiol dehydrogenase;apoptotic factor;up-regulation;cisplatin;overexpression;resistance;carcinoma;carcinogenesis;mitochondria||Project:||International Journal of Molecular Medicine||期刊/報告no：:||International Journal of Molecular Medicine, Volume 28, Issue 5, Page(s) 689-696.||摘要:||
Our aim was to determine the association of human papillomavirus (HPV) infection with the expression of ATPase family AAA domain containing 3A (ATAD3A), an anti-autophagy factor, in uterine cervical cancer (UCC). The HPV genotype was determined by an Easychip HPV blot assay. ATAD3A expression was determined by immunohistochemical staining. High-risk HPV (hrHPV) was detected in 184 (88.9%) of 207 UCC cases. ATAD3A expression was detected in 164 (79.2%) UCC cases. A significant correlation was found between ATAD3A expression and the presence of hrHPV (p<0.001),FIGO stage (p=0.014), lymph node involvement (p=0.001), c-MET expression (p<0.001), interleukin-8 (p=0.03) and patient survival (p=0.0016). Interestingly, silencing of E6/E7 expression decreased ATAD3A expression and cell survival. Moreover, knockdown of ATAD3A (ATAD3A(kd)) expression or addition of resveratrol, increased cellular autophagy and apoptosis and reduced drug resistance. Resveratrol reduced ATAD3A expression, and increased abrasion of the mitochondrial outer membrane as well as numbers of autophagosomes, the phenomena that were frequently found in ATAD3A(kd) cells. In conclusion, our results show that HPV infection correlates with increased ATAD3A expression and drug resistance in UCC. Persistent HPV infection may stabilize ATAD3A expression to inhibit cell autophagy and apoptosis as well as to increase drug resistance.
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