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자료유형
학술저널
저자정보
Shan Guang (RenMin Hospital of Wuhan University) Gu Juan (Nanjing Medical University) Zhou Daoping (Anhui No. 2 Provincial People’s Hospital) Li Lingxun (Anhui No. 2 Provincial People’s Hospital) Cheng Wei (Anhui No. 2 Provincial People’s Hospital) Wang Yueping (Nanjing Medical University) Tang Tian (Nanjing Medical University) Wang Xuedong (Nanjing Medical University)
저널정보
대한생화학·분자생물학회 Experimental and Molecular Medicine Experimental and Molecular Medicine 제52권
발행연도
2020.11
수록면
1 - 14 (14page)
DOI
10.1038/s12276-020-0431-z

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Therapeutic failure in prostate cancer (PC) is believed to result from its unusually invasive and metastatic nature. Cancer-associated fibroblasts (CAFs) are essential in the tumor microenvironment. We intended to study the role of CAF-derived exosomes in the context of PC and the potential regulatory mechanism associated with miR-423-5p and GREM2. CAF-derived exosomes decreased the chemosensitivity of parental PC cells and enhanced the drug resistance of drug-resistant cells. PC-associated fibroblast-derived exosomes carrying miR-423-5p increased the resistance of PC to taxane by inhibiting GREM2 through the TGF-β pathway. Inhibition of the TGF-β pathway partially reversed the increased drug resistance in PC cells induced by CAF-derived exosomes. Inhibition of miR-423-5p enhanced the drug sensitivity of PC cells in vivo. We showed that CAF-secreted exosomal miR-423-5p promoted chemotherapy resistance in PC by targeting GREM2 through the TGF-β pathway. This study may allow the development of novel approaches for PC.

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