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Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi. 2015 Aug;31(8):1017-21.

[Over-expression of augmenter of liver regeneration promotes proliferation and suppresses hydrogen peroxide-induced apoptosis in LO2 cells].

[Article in Chinese]

Author information

Department of Nephrology, Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China.
Institute for Viral Hepatitis, Chongqing Medical University, Chongqing 400010, China.



To investigate the effects of over-expression of 23 kDa augmenter of liver regeneration (ALR) on cell proliferation and apoptosis in the normal human hepatic cell line LO2.


The recombinant plasmid expressing 23 kDa ALR (pcDNA6/23 kDa ALR) was constructed and transfected into LO2 cells with MegaTran 1.0 transfection reagent. The expressions of ALR mRNA and protein in LO2 cells were detected by real-time quantitative PCR and Western blotting, respectively; MTS assay was used to detect the cell proliferation of LO2 cells; cell cycle and apoptosis of LO2 cells were measured by flow cytometry.


The recombinant expression plasmid pcDNA6/23 kDa ALR was constructed successfully, and the expression of the target protein 23 kDa ALR increased significantly in the transfected cells. Compared with pcDNA6-myc/HisA group, the transient transfection of pcDNA6/23 kDa ALR into LO2 cells promoted cell proliferation and inhibited cell apoptosis induced by H2O2, however, no significant differences were detected in G0 phase and S phase.


The over-expression of 23 kDa ALR in LO2 cells promoted the cell proliferation and enhanced cell resistance to H2O2.

[Indexed for MEDLINE]

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