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Cancer Lett. 2013 Sep 1;337(2):285-92. doi: 10.1016/j.canlet.2013.04.025. Epub 2013 Apr 25.

CD147 mediates chemoresistance in breast cancer via ABCG2 by affecting its cellular localization and dimerization.

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  • 1Department of Dermatology, XiangYa Hospital, Central South University, Changsha, Hunan 410008, China.

Abstract

CD147 and ABCG2 both have been reported to mediate Multidrug resistance (MDR) in breast cancer. Recent study demonstrates that CD147 could form a complex with ABCG2 on the cell membrane in primary effusion lymphoma. However, whether these two molecules regulate each other in breast cancer and result in MDR is not clear. We established four MCF-7 cell lines transfected with CD147 and/or ABCG2 and found that CD147 could increase the expression and dimerization of ABCG2, affect its cellular localization and regulate its drug transporter function. The findings derived from cells were confirmed subsequently in clinic samples of chemotherapy-sensitive/resistant breast cancer.

Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

KEYWORDS:

ABCG2; Breast cancer; CD147; Chemoresistance

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