Loss of ARID1A expression is associated with poor prognosis in patients with stage I/II clear cell carcinoma of the ovary

Verfasser / Beitragende:
[Hiroaki Itamochi, Nao Oumi, Tetsuro Oishi, Tadahiro Shoji, Hiroyuki Fujiwara, Toru Sugiyama, Mitsuaki Suzuki, Junzo Kigawa, Tasuku Harada]
Ort, Verlag, Jahr:
2015
Enthalten in:
International Journal of Clinical Oncology, 20/5(2015-10-01), 967-973
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10147-015-0811-x  |2 doi 
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245 0 0 |a Loss of ARID1A expression is associated with poor prognosis in patients with stage I/II clear cell carcinoma of the ovary  |h [Elektronische Daten]  |c [Hiroaki Itamochi, Nao Oumi, Tetsuro Oishi, Tadahiro Shoji, Hiroyuki Fujiwara, Toru Sugiyama, Mitsuaki Suzuki, Junzo Kigawa, Tasuku Harada] 
520 3 |a Abstract : Background: Recent studies have shown that somatic mutations in the AT-rich interactive domain 1A (SWI-like) gene (ARID1A) are the most common genetic changes in clear cell carcinoma of the ovary (CCC). A gene mutation of ARID1A was found in approximately half of CCC cases, and led to absence of the encoded protein and inactivation of the putative tumor suppressor. Here, we investigated whether ARID1A could be a prognostic biomarker for this disease. Methods: We analyzed the protein expression of ARID1A in CCC from 112 patients by immunohistochemical staining, and evaluated the association of these molecular parameters with clinical outcome. Results: The loss of ARID1A expression was found in 39% (44/112) of CCC, and was not associated with patient age, FIGO stage, and status of residual tumor. The 5-year survival rate for FIGO stage I or II patients with negative tumor expression of ARID1A was lower than those with positive tumor expression of ARID1A (74% vs 91%), but this difference was not observed in FIGO stage III or IV patients. Multivariable analysis revealed that ARID1A expression was an independent prognostic factor in FIGO stage I or II CCC patients. Conclusion: ARID1A may be a biomarker that is predictive of the outcome of FIGO stage I and II CCC. 
540 |a Japan Society of Clinical Oncology, 2015 
690 7 |a Ovarian carcinoma  |2 nationallicence 
690 7 |a Clear cell  |2 nationallicence 
690 7 |a ARID1A  |2 nationallicence 
690 7 |a Biomarker  |2 nationallicence 
700 1 |a Itamochi  |D Hiroaki  |u Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, 683-8504, Yonago, Tottori, Japan  |4 aut 
700 1 |a Oumi  |D Nao  |u Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, 683-8504, Yonago, Tottori, Japan  |4 aut 
700 1 |a Oishi  |D Tetsuro  |u Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, 683-8504, Yonago, Tottori, Japan  |4 aut 
700 1 |a Shoji  |D Tadahiro  |u Department of Obstetrics and Gynecology, Iwate Medical University, 19-1 Uchimaru, 020-8505, Morioka, Iwate, Japan  |4 aut 
700 1 |a Fujiwara  |D Hiroyuki  |u Department of Obstetrics and Gynecology, Jichi Medical University, 3311-1 Yakushiji, 329-0498, Shimotsuke, Tochigi, Japan  |4 aut 
700 1 |a Sugiyama  |D Toru  |u Department of Obstetrics and Gynecology, Iwate Medical University, 19-1 Uchimaru, 020-8505, Morioka, Iwate, Japan  |4 aut 
700 1 |a Suzuki  |D Mitsuaki  |u Department of Obstetrics and Gynecology, Jichi Medical University, 3311-1 Yakushiji, 329-0498, Shimotsuke, Tochigi, Japan  |4 aut 
700 1 |a Kigawa  |D Junzo  |u Matsue City Hospital, 32-1 Noshira, 690-8509, Matsue, Shimane, Japan  |4 aut 
700 1 |a Harada  |D Tasuku  |u Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, 683-8504, Yonago, Tottori, Japan  |4 aut 
773 0 |t International Journal of Clinical Oncology  |d Springer Japan  |g 20/5(2015-10-01), 967-973  |x 1341-9625  |q 20:5<967  |1 2015  |2 20  |o 10147 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Itamochi  |D Hiroaki  |u Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, 683-8504, Yonago, Tottori, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Oumi  |D Nao  |u Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, 683-8504, Yonago, Tottori, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Oishi  |D Tetsuro  |u Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, 683-8504, Yonago, Tottori, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Shoji  |D Tadahiro  |u Department of Obstetrics and Gynecology, Iwate Medical University, 19-1 Uchimaru, 020-8505, Morioka, Iwate, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Fujiwara  |D Hiroyuki  |u Department of Obstetrics and Gynecology, Jichi Medical University, 3311-1 Yakushiji, 329-0498, Shimotsuke, Tochigi, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Sugiyama  |D Toru  |u Department of Obstetrics and Gynecology, Iwate Medical University, 19-1 Uchimaru, 020-8505, Morioka, Iwate, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Suzuki  |D Mitsuaki  |u Department of Obstetrics and Gynecology, Jichi Medical University, 3311-1 Yakushiji, 329-0498, Shimotsuke, Tochigi, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kigawa  |D Junzo  |u Matsue City Hospital, 32-1 Noshira, 690-8509, Matsue, Shimane, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Harada  |D Tasuku  |u Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, 683-8504, Yonago, Tottori, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t International Journal of Clinical Oncology  |d Springer Japan  |g 20/5(2015-10-01), 967-973  |x 1341-9625  |q 20:5<967  |1 2015  |2 20  |o 10147