چکیده انگلیسی:
Objective: Glioblastoma (GBM) is the most malignant and aggressive type of glioma, associated with a high rate of mortality. The transforming growth factor-β receptor II (TGFβ RII) is involved in glioma initiation and progression. On the other hand, TGFβ RII silencing is critical to the inhibition of GBM. Therefore, we aimed to determine the effects of specific TGFβ RII siRNA on the survival of U-373MG cells. Methods: TGFβ RII siRNA was transfected, and qRT-PCR was performed to examine TGFβ RII mRNA expression. Cell survival was determined using colorimetric MTT assay, and platelet-derived growth factor-BB (PDGF-BB) level was measured in the culture supernatant using ELISA assay. Result: Our findings indicated that specific siRNAs could dose-dependently suppress TGFβ RII mRNA expression after 48 hours. In addition, treatment with TGFβ RII siRNA significantly reduced tumor cell survival and decreased the amount of PDGF-BB protein in the cell culture supernatant. Conclusion: Our results suggest that TGFβ RII silencing can be a promising complementary treatment for glioma.
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