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MiR-514 attenuates proliferation and increases chemoresistance by targeting ATP binding cassette subfamily in ovarian cancer

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Abstract

Cisplatin is one of the most popular chemotherapeutic drugs in treating ovarian cancer. Resistance to cisplatin is a common clinical challenge that needs to be solved to increase its anti-tumor effects. The relation of miR-514 expression with prognosis in ovarian cancer patients was analyzed based on GSE73584 datasets. The regulation of miR-514 on proliferation and cisplatin chemosensitivity of ovarian cells was examined by MTT assay, colony-formation assay and soft-agar colony-formation assay. Dual luciferase assay was performed to detect the direct interaction of miR-514 with its downstream targets. Immunobloting and qRT-PCR were performed for target gene expression analysis. Low expression of miR-514 was related to poor prognosis in ovarian cancer patients. MiR-514 repressed proliferation and decreased cisplatin chemosensitivity in ovarian cancer cells by targeting ATP binding cassette subfamily. MiR-514 is of clinically significance in ovarian cancer by attenuating proliferation of ovarian cancer cells and decreasing chemoresistance of cisplatin by targeting ATP binding cassette subfamily.

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Correspondence to Deling Wang.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Communicated by S. Hohmann.

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Xiao, S., Zhang, M., Liu, C. et al. MiR-514 attenuates proliferation and increases chemoresistance by targeting ATP binding cassette subfamily in ovarian cancer. Mol Genet Genomics 293, 1159–1167 (2018). https://doi.org/10.1007/s00438-018-1447-0

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  • DOI: https://doi.org/10.1007/s00438-018-1447-0

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