Original Article Effects of connective tissue growth factor (CTGF) gene silencing on the radiosensitivity of glioblastoma
Na Han, Allahverdi Shahveranov, Yi Cheng, Kai Qin, Shiying Yu, Mengxian Zhang
Abstract
Na Han, Allahverdi Shahveranov, Yi Cheng, Kai Qin, Shiying Yu, Mengxian Zhang
Abstract
The effects of connective tissue growth factor (CTGF) gene silencing on the radiosensitivity of glioblastoma cells (GBM) were investigated. The lentivirus-mediated short hairpin RNA (shRNA) expression vector targeting CTGF was constructed and transinfected into U87MG human GBM cell line. The CTGF gene expression in U87MG cells was significantly down-regulated. After irradiation with 6 MV X-rays at a dose rate of 2.5 Gy/min, the clonogenicity, proliferation and migration of U87MG cells were assayed in vitro. The survival, proliferation and migration of U87MG cells were all remarkably inhibited by CTGF silencing (p < 0.05 vs control). Our results demonstrate that CTGF is im- portant for GBM and CTGF gene silencing can be a potential tool to enhance the sensitivity of GBM to radiotherapy.
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The effects of connective tissue growth factor (CTGF) gene silencing on the radiosensitivity of glioblastoma cells (GBM) were investigated. The lentivirus-mediated short hairpin RNA (shRNA) expression vector targeting CTGF was constructed and transinfected into U87MG human GBM cell line. The CTGF gene expression in U87MG cells was significantly down-regulated. After irradiation with 6 MV X-rays at a dose rate of 2.5 Gy/min, the clonogenicity, proliferation and migration of U87MG cells were assayed in vitro. The survival, proliferation and migration of U87MG cells were all remarkably inhibited by CTGF silencing (p < 0.05 vs control). Our results demonstrate that CTGF is im- portant for GBM and CTGF gene silencing can be a potential tool to enhance the sensitivity of GBM to radiotherapy.
Key concepts: CTGF, Radiosensitivity, Gene silencing, Small hairpin RNA, Connective tissue, Growth factor, Cancer research, RNA interference