Apple Flavonoids Suppress Carcinogen-Induced DNA Damage in Normal Human Bronchial Epithelial Cells

Figure 7

(a) Effects of AF4 on DNA repairing proteins (DNA-PK, p-DNA-PKcs, and KU80) challenged with NNK-Ae alone or in combination. (b) Inhibitory effect of NU7620 (20 μM for 30 mins) against DNA-PK expression on BEAS-2B cells treated alone or with a combination of AF4 and NNK-Ae.

(a)

(b)