Figure 1. NCTD inhibits cell viability in human renal cancer cells.

(A) The chemistry structure of NCTD. (B–E) Four renal cancer cells (786-O, CaKi-1, ACHN and A-498) and (F) Normal immortalized proximal tubule epithelial cells (HK-2) were incubated with different concentration of NCTD for 24 and 48 h. Cell viability was measured using a MTT assay. All data are represented as mean ± SEM (n = 3) for each group. ^**p < 0.01 compared with control.