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The protein expression of (A) p53, (B) caspase3 and (C) NFkB after exposured to rac-o,p’-DDT, R-(+)-o,p’-DDT, and S-(−)-o,p’-DDT. The asterisk indicates p<0.05 relative to a negative control. Different capitalized letters above adjacent bars indicate a significant difference (p<0.05) between individual enantiomers or between an enantiomer and racemate, while the same letter indicates no significant difference.
