Abstract:
:The aim of the present study was to assess miR-625 and Fas expression in normal and degenerative cervical cartilage endplate (CEP) tissues. Following biof-informatics analysis, the Fas gene was predicted to be one of the targets of miR-625. Quantitative PCR (qPCR) and western blotting were used to detect miR-625 and Fas expression in normal and degenerative CEP. A luciferase reporter assay was used to identify whether miR-625 could directly target the 3' untranslated region (3'-UTR) of Fas. Lentiviral overexpression and/or inhibition vectors of miR-625 (pre-miR-625)/antigomiR-625 were constructed to determine whether overexpression or inhibition of miR-625 could affect Fas and B-cell lymphoma 2 (Bcl-2) expression in cartilaginous endplate cells (CECs) and tissues. qPCR analysis demonstrated that miR-625 expression in degenerative CEP was significantly lower than in normal CEP tissue, while the production of Fas in degenerated CEP was significantly higher. Results from western blotting also showed a significant increase in Fas expression in degenerative CEP. miR-625 can bind directly to the 3'-UTR of the Fas gene. However, this inhibition was attenuated by a target mutation in the miR-625-binding site of the 3'-UTR of Fas mRNA. In addition, following transfection of CECs with pre-miR-625 and antigomiR-625, expression of Fas significantly decreased and increased, respectively, and Bcl-2 expression was upregulated and downregulated, respectively. Upregulation of miR-625 can inhibit Fas expression and further affect Bcl-2 expression in CEP degeneration, suggesting that miR-625-mediated inhibition of the Fas gene is important in cervical degeneration.
journal_name
Exp Ther Medjournal_title
Experimental and therapeutic medicineauthors
Zhan B,Zhan Y,Wang W,Zhan Y,Liu Bdoi
10.3892/etm.2017.5403subject
Has Abstractpub_date
2018-01-01 00:00:00pages
513-519issue
1eissn
1792-0981issn
1792-1015pii
ETM-0-0-5403journal_volume
15pub_type
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