Figure 4From: The effect of caffeine on cisplatin-induced apoptosis of lung cancer cells The effect of caffeine on cisplatin treatment-induced ATM, CHK1, and p53 phosphorylation in both HTB182 and CRL5985 lung cancer cells. The cells were treated with caffeine (2 mM) for 24 hours before the cisplatin treatment (10 μM). The cells were collected 20 hours after the cisplatin treatment and used for western blotting.Back to article page