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Effect of Expression Regulation of Mitotic Control Protein DIS3 on Proliferation of 3 Cell Lines of Human Myeloma / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 1912-1918, 2019.
Article in Chinese | WPRIM | ID: wpr-781519
ABSTRACT
OBJECTIVE@#To explore the effect of the expression regulation of mitotic control protein DIS3 on the proliferation ability of 3 cell Lines of human myeloma.@*METHODS@#Human myeloma cell lines NCI-h929, RPMI 8226 and U266B1 were selected as study objects, and the over-expression vector of DIS3 gene and DIS3-siRNA were designed and constructed, respectively. The cell experiments were divided into 5 groups control, DIS3 over-expression-empty vector, DIS3-siRNA negative control, DIS3 over-expression and DIS3-siRNA group. After culture for 24 h, 48 h and 72 h, the proliferation capacity of these three cell lines was measured by MTT assay. And cell samples were collected after culture for 72 h, the expression of proliferation cell nuclear antigen (PCNA) was detected by RT-qPCR and Western blot.@*RESULTS@#MTT assay results showed that the proliferation capacity of cells in DIS3 over-expression group was significantly reduced, as compared with the DIS3 over-expression-empty vector group at the same time point (24, 48 or 72 h) (P<0.05, P<0.01). Compared with DIS3-siRNA negative control group at the same time point (24, 48 or 72 h), the proliferation capacity of cells in the DIS3-siRNA group significantly increased (P<0.05, P<0.01). The results of RT-qPCR and Western blot showed that the mRNA and protein expression levels of PCNA in cells of DIS3 over-expression group were significantly reduced, as compared with DIS3 over-expression empty vector group (P<0.01). Compared with the DIS3-siRNA negative control group, the mRNA and protein expression of PCNA in the cells of DIS3-siRNA group very significantly increased (P<0.01).@*CONCLUSION@#Over expression of DIS3 can significantly reduce the proliferation ability of 3 cell lines of human myeloma, which may be closely related with reducing PCNA expression.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Transfection / RNA, Small Interfering / Cell Line, Tumor / Cell Proliferation / Exosome Multienzyme Ribonuclease Complex / Multiple Myeloma Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Transfection / RNA, Small Interfering / Cell Line, Tumor / Cell Proliferation / Exosome Multienzyme Ribonuclease Complex / Multiple Myeloma Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2019 Type: Article