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  • Title: [Effect of hydroquinone on the expression of ubiquitin-conjugating enzyme Rad6B in human L-02 hepatic cells].
    Author: Hu G, Zhuang Z, Yang J, Huang H.
    Journal: Wei Sheng Yan Jiu; 2009 May; 38(3):352-4. PubMed ID: 19548583.
    Abstract:
    OBJECTIVE: To study the effects of hydroquinone (HQ) on expression of ubiquitin-conjugating enzyme Rad6B in human L-02 hepatic cells. METHODS: After L-02 hepatic cells were at the concentrations of 0, 5, 10, 20, 40, 80, and 160 micromol/L HQ for 24h, and the levels of Rad6B mRNA and protein expressions in L-02 hepatic cells were detected by real-time fluorescent quantitative polymerase chain reaction (QPCR) technique and Western blot method respectively. RESULTS: It was found that HQ in the range of 0-160 micromol/L could induce increases in the expressions of Rad6B mRNA and protein, which was in a dose-dependent manner. The levels of Rad6B mRNA and protein expressions in the treated group of 5, 10, 20, 40, 80, and 160 micromol/L were higher than those in the control (P < 0.01), levels of Rad6B mRNA and protein expressions reached the maximun when L-02 hepatic cells were treated by HQ at the concentrations of 160 micromol/L, and the relative quantity values were 4.35 and 0.85, respectively. CONCLUSION: HQ could regulate up the expression of Rad6B in L-02 hepatic cells.
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