The aim of this study was to verify the presence of androgen receptors (AR) in human colorectal adenomas and in normal adjacent mucosa, and to determine whether there is any difference in AR tissue content between females and males. Our data show higher levels of nuclear AR in normal mucosa than in adenomas (p less than 0.001). A significant difference was also present in males between normal and pathological tissue both in cytosolic (p less than 0.05) and nuclear receptors (p less than 0.01). In female subjects this difference was also evident, but not significant. Our results seem to support the hypothesis of protective effects of androgens in colonic mucosa.
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