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Effects of p38-2 G4 high-expression on the proliferation and erythriod differentiateon of murine erythroleukemia cells
Pages: 670-674
Year: Issue:  5
Journal: Acta Anatomica Sinica

Keyword:  Murine erythroleukemiaLentiviral transfectionHigh-expressionWestern blotlingMouse;
Abstract: Objective To explore the effect of mouse proliferation-associated protein 2G4 (p38-2G4) high-expression on the proliferation and erythriod differentiation of murine erythroleukemia ( MEL ) cells.Methods To establish the recombinant lentivirus vector p 38-2G4-pLJM1, the p38-2G4-pLJM1 was cotransfected into HEK293T cells to obtain lentivirus with pCMV-VSV-G and pCMV-dR8.2.Lentivirus were infected into MEL cells to establish the stably p 38-2G4 high-expressed MEL cells.Western blotting was used to analyse the high-expression efficiency.MTT assay and benzidine staining were applied to detect the cell viability and hemoglobin synthesis of the stable cell line in presence /absence of inducers.Results Western blotting showed that the p38-2G4 high-expression stable cell strain had a higher expression of p38-2G4 as compared to the control group ( MEL) ( P <0.05).MTT result showed that there was no difference between the p38-2G4 high-expression cell strain and the control group (P>0.05), but the hemoglobin synthesis had been reduced as compared to the control group (P<0.05).Conclusion p38-2G4 high-expression does not affect the cell viability of MEL cells , but inhibits the erythriod differentiation of MEL cells in three independent experiments .
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