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- W3167291264 abstract "Glioblastoma (GBM) is the most common malignant primary brain tumor, accounting for ~57% of all gliomas and 48% of all malignant primary central nervous system tumors in the United States. Abnormal expression of the replication factor C subunit 2 (RFC2) gene and microRNA (miR)‑744‑5p is associated with tumorigenic characteristics, including cellular proliferation, migration and invasiveness. However, the mechanism underlying the interaction between miR‑744‑5p and RFC2 in GBM remains unknown. Reverse transcription‑quantitative (RT‑q) PCR analysis of RFC2 and miR‑744‑5p was performed using GBM tumor tissues and cells, and the association between miR‑744‑5p and RFC2 was determined by dual‑luciferase reporter assay. Cell Counting Kit 8, 5‑bromo‑2‑deoxyuridine (BrdU), wound‑healing and cellular adhesion assays, as well as the detection of caspase‑3 activity and western blotting were used to detect cellular proliferation, migration and adhesion, caspase‑3 activity, and Bax and Bcl‑2 protein expression, respectively, in GBM cells. The results of the present study demonstrated that RFC2 expression was increased in GBM tissues and cell lines. Overexpression of RFC2 promoted cellular proliferation, migration, adhesion and an increase in Bcl‑2 protein levels, and suppressed cellular caspase‑3 activity and Bax protein expression, while silencing RFC2 resulted in the opposite effect. The effects of miR‑744‑5p inhibition were similar to those of RFC2 overexpression. Moreover, miR‑744‑5p was found to target RFC2 in GBM cells, and inhibiting the expression of RFC2 suppressed GBM tumorigenesis. In conclusion, the present study demonstrated that miR‑744‑5p targets RFC2 and suppresses the progression of GBM by repressing cellular proliferation, migration and Bcl‑2 protein expression, and effectively promoting caspase‑3 activity and Bax protein expression. These findings suggest a new target for the clinical treatment and improved prognosis of patients with GBM in the future." @default.
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- W3167291264 date "2021-06-15" @default.
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- W3167291264 title "MicroRNA‑744‑5p inhibits glioblastoma malignancy by suppressing replication factor C subunit 2" @default.
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- W3167291264 doi "https://doi.org/10.3892/ol.2021.12869" @default.
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