Downloading: Poly(ADP-ribose) polymerase-1 Overexpression as A Predictive Factor for Poor Chemotherapy Outcome in Triple Negative Breast Cancer
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Poly(ADP-ribose) polymerase-1 Overexpression as A Predictive Factor for Poor Chemotherapy Outcome in Triple Negative Breast Cancer

Vika Indriani, Herman Saputra, Luh Putu Iin Indrayani Maker

Abstract: Triple-negative breast cancer (TNBC), is paradoxical breast cancer subtype. Some TNBC response well to chemotherapy but TNCB with remaining tumor mass after neoadjuvant chemotherapy have worse prognosis. Most TNBCs have defects in DNA repair pathway. To survive they activate alternative DNA repair pathway involving poly (ADP-ribose) polymerase-1 (PARP1), reflected by PARP1 overexpression. The aim of this study was to prove PARP1 overexpression as a predictive factor for poor chemotherapy outcome in TNBC. This study was conducted in retrospective case-control method. The PARP1 expressions immunohistochemically evaluated in 25 patients with positive chemotherapy clinical response and 25 patients with negative chemotherapy clinical response. The results were analyzed by Chi square and Odds ratio (OR) with significance at p

Keywords: triple negative breast cancer, chemotherapy clinical response, poly ADP-ribose polymerase-1



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