Journal
JOURNAL OF CLINICAL LABORATORY ANALYSIS
Volume 35, Issue 11, Pages -Publisher
WILEY
DOI: 10.1002/jcla.24012
Keywords
AJAP1; FGF14-AS2; miR-96-5p; progression; prostate carcinoma
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lncRNA FGF14-AS2 is a downregulated lncRNA in prostate carcinoma that can inhibit the expression of miR-96-5p, while miR-96-5p hampers AJAP1. The effects of FGF14-AS2 on prostate carcinoma cells' biological behaviors are mediated through modulation of miR-96-5p and its target gene AJAP1.
Objective This investigation devoted to lncRNA FGF14 antisense RNA 2 (FGF14-AS2) in prostate carcinoma progression. Methods The levels of lncRNA FGF14-AS2, miR-96-5p, and Adherens junction-associated protein-1 (AJAP1) in prostate carcinoma were tested by Western blot and qRT-PCR. How these two genes interacted was confirmed by RNA immunoprecipitation and dualluciferase gene methods. The effect of FGF14-AS2/miR-96-5p/AJAP1 axis in prostate carcinoma progression was determined by MTT, Transwell, and nude mice tumor model. Results FGF14-AS2 was a downregulated lncRNA in prostate carcinoma tissue and cells. FGF14-AS2 could restrain miR-96-5p expression while miR-96-5p hampered AJAP1. FGF14-AS2 could effectively decrease the biological behaviors of prostate carcinoma cells, while knock-down of FGF14-AS2 triggered opposite results. Moreover, miR-96-5p mimic presented a cancer promoter role in prostate carcinoma cells. AJAP1 expression level could affect levels of proteins related to epithelial-mesenchymal transition. In vivo experiment suggested that overexpressing FGF14-AS2 could reverse the promotion of silenced AJAP1 on prostate carcinoma cell metastasis, thus to inhibit tumor growth. Conclusion lncRNA FGF14-AS2 was a downregulated lncRNA in prostate carcinoma and influenced cell proliferation and metastasis. The influence relied on modulating miR-96-5p and its target gene AJAP1.
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