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Telomerase activity using TRAP assay in HepG2 control and 48 h treated cells with different concentration of chelidonine up to LD50. A: The relative activity of treated cells against untreated control cells are indicated as mean ± SD; B: TRAP products resolved on non-denaturing PAGE and stained with SYBR Green. The concentration of chelidonine is indicated on top of each well in μmol/L. C+: Positive control; C-: Negative control.
