Non-expression of H-Y antigen on mouse red blood cells.

The expression of H-Y antigen on mouse red blood cells has been investigated by studying their life span in vivo. The survival of 51Cr-labeled cells from males was unaltered when transfused into isogeneic females or female mice which had rejected a male skin graft. These observations are consistent with the view that the H-Y antigen is not present on mouse erythrocytes.