STX2 drives colorectal cancer proliferation via upregulation of EXOSC4
2020
Wang, Yong-Xia | Li, Yong-Zhen | Zhu, Hui-Fang | Zhang, Zhe-Ying | Qian, Xin-Lai | He, Guo-Yang
To explore the biological function and mechanism of Syntaxin2 (STX2) in Colorectal cancer (CRC) proliferation.A series of gain- and loss-of-function analysis were conducted the to explore the biological function of STX2 in CRC proliferation in vivo and in vitro. Western blot, Co-immunoprecipitation (Co-IP) and the functional analyses were taken to analyze the regulative role of STX2 on Exosome Complex 4 (EXOSC4) in CRC proliferation; Immunohistochemistry (IHC) and Real-time quantitative polymerase chain reaction (qPCR) were used to further verify the relationship between the expression of STX2 and EXOSC4 in human CRC samples.Our study revealed that the over-expression of STX2 promoted CRC proliferation, while knockdown of STX2 repressed CRC proliferation; STX2 promoted CRC proliferation via increasing EXOSC4 protein; There was a positive correlation between STX2 and EXOSC4 expression.The current data verify that STX2 drives the proliferation of CRC via increasing the expression of EXOSC4.
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