Congenital aplasia of seminal vesicles: absence of trophoblast-lymphocyte cross-reactive antigens from seminal plasma.

Our studies show that TLX antigens are absent from seminal plasma of a patient with bilateral aplasia of seminal vesicles. This is supportive for an origin of seminal plasma TLX antigens from seminal vesicles. The release of TLX antigens by seminal vesicles could represent a mechanism of priming mothers immunologically for normal implantation and pregnancy.