AID is up-regulated in inflammatory conditions. Histological sections of inflamed fallopian tubes were immuno-stained with either AID antibody (A) or p53 antibody (B). Chronic inflammation co-localized with extensive AID and p53 staining. Arrows indicate cells stained positively for both antibodies. Activation-Induced Cytidine Deaminase Links Ovulation-Induced Inflammation and Serous Carcinogenesis. Neoplasia (New York, N.Y.). Not Altered. CC.