Lithium inhibits proliferation of human esophageal cancer cell line Eca-109 by inducing a G2/M cell cycle arrest

Figure 4 Effects of lithium on cell cycle regulatory molecules. A: Western blotting analysis for cyclin B1 protein levels after treatment with 20 mmol/L lithium; B: RT-PCR analysis for quantification of the relative mRNA abundance of cyclin B1 after treatment with 20 mmol/L lithium; C: Western blotting analysis for cdc2 protein levels after treatment with 20 mmol/L lithium. ^bP < 0.01 vs the control group.