Ziyan Jiang, Fangfang Bi, Zhiping Ge, Miranda Mansolf, Tobias M P Hartwich, Viktoriia Kolesnyk, Kevin Yang, Wonmin Park, Dongin Kim, Olga Grechukhina, Pei Hui, Sang Wun Kim, Yang Yang-Hartwich
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引用次数: 0
Abstract
Recurrent tumors that are resistant to conventional chemotherapy are a major challenge of ovarian cancer treatment. A better understanding of the underlying molecular mechanisms of chemoresistance is critical for developing more effective targeted therapies for ovarian cancer. In this study, we analyzed the transcriptomic profiles of thirteen pairs of matching primary and recurrent ovarian cancers to identify genes that were upregulated in the recurrent tumors. Among these genes, we identified sortilin-related receptor 1 (SORL1) and its role in promoting carboplatin resistance through regulating the stability of epidermal growth factor receptor (EGFR) and fibroblast growth receptor 4 (FGFR4) using ovarian cancer models in vitro and in vivo. We further identified that an anti-SORL1 antibody inhibited the pro-tumor functions of SORL1. Our data showed that a selective inhibitor of FGFR4, FGF401, can improve the therapeutic efficacy of carboplatin in a xenograft mouse model of ovarian cancer. This study has demonstrated the therapeutic potential of targeting the SORL1/FGFR4 pathway to improve the chemoresponse of patients with recurrent and/or resistant ovarian cancer.
期刊介绍:
Cancers (ISSN 2072-6694) is an international, peer-reviewed open access journal on oncology. It publishes reviews, regular research papers and short communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced.