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. 2003 Mar 18;88(6):902–909. doi: 10.1038/sj.bjc.6600830

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Copyright © 2003 Cancer Research UK

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Protective effect of bilirubin against ZnPP IX-induced apoptosis of AH136B cells. AH136B cells were incubated for 24 h with 100 μM ZnPP IX in the presence or absence of indicated concentrations of bilirubin. TUNEL-positive cells were counted in four different fields of magnification at × 100 per sample, and then the percentage of positive cells was calculated. ^**P<0.05 vs ZnPP IX alone (n=3 for each group). Data are means±s.e. See text for details.