HLA-A, -B, -C, -Bw4, Bw6 and -DR Antigens are Expressed on Purified Seminal Cells Other than Spermatozoa.

Abstract
HLA-A, HLA-B, HLA-C, HLA-Bw4, Bw6 and HLA-DR antigens have been detected on purified seminal cells other than spermatozoa (SCnonSZ) using specific abosrptions. These results contrast with those obtained on spermatozoa, which only express significant amounts of HLA-A and HLA-B antigens, and which may be relevant to explain immunosuppressive alloimmunization in the acquired immunodeficiency syndrome (AIDS).