Background (objective): In the development of tumor therapy, the role of long non-coding RNA actin filagenin 1 antisense RNA 1 (1ncRNA AFAP1-AS1) is quite significant, but the actual role of AFAP1-AS1 in the treatment of prostate cancer has not been determined. In view of this, the author took AFAP1-AS1 as the research object to design an experimental study, and conducted an in-depth exploration of the pathogenesis of prostate cancer.
Methods: RT-qPCR was used to detect the expression of AFAP1-AS1 and miR-512-3p in prostate cancer tissues and cell lines. Perforation, flow cytometry and CCK-8 were used to detect the effects of cell proliferation, migration and invasion of mir-512-3p and a AFAP1-AS1. And the luciferase reporter gene was used to detect the downstream target gene of AFAP1-AS1, and the expression of CDK4, CDK6 and CCND1 protein was detected by Western blot.
Results: AFAP1-AS1 is highly expressed in prostate cancer tissues and cell lines. The expression level of AFAP1-AS1 is correlated with histological grade and distant metastasis. The overall level of patients with high expression of AFAP1-AS1 is low, and their survival rate is relatively low. Silencing AFAP1-AS1 can significantly increase the proliferation and migration of prostate cancer cells. AFAP1-AS1 silencing induces cell cycle arrest at G0/G1 phase. The downstream target of AFAP1-AS1 was mir-512-3p. The role of AFAP1-AS1 in the progression of prostate cancer cells was mediated by mir-512-3p.
Conclusion: AFAP1-AS1 regulates miR-512-3p, so as to realize the regulation effect on the proliferation, invasion and migration of prostate cancer cells, and thereby promote the occurrence and development of prostate cancer, so as to provide the corresponding program for the treatment of prostate cancer. Abberivation: ADPC, androgen-dependent prostate cancer; CRPC, castrated prostate cancer; RNA1 AFAP1-Asl, Actin fiber-associated protein 1-anti-RNA1; miRNAs, MicroRNAs.
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| http://dx.doi.org/10.1016/j.gene.2019.144169 | DOI Listing |
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