Abstract
Biodistribution of two 18F-labeled androgens and an 124I/125I-labeled androgen were studied in five androgen receptor (prostate) animal models with or lacking sex hormone binding globulin (SHBG). As models for androgen-receptor positive ovarian cancer, xenografts of three human ovarian cancer cell lines were tested in SCID mice. SHBG in the prostate model systems significantly affects the metabolism, clearance, and distribution of the radiolabeled androgens in several tissues, but ovarian cancer animal models were disappointing.
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