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Expression of AR and AMH in first-trimester human fetal testis xenografts. Androgen receptor (AR, upper panels) is not expressed in the pre-graft control, but is expressed in the grafts and equivalent age-matched controls. A negative control is also shown (inset). AMH (lower panels) is expressed in first trimester pre-graft controls and localized to Sertoli cells within the newly formed seminiferous cords after grafting and in an equivalent age-matched control. Scale bar = 50 µm.
