70. Specific Antibody to the Urine Samples of Human Adult Males

The rabbit serum immunized with the concentrated urine from human adult male contains a specific antibody which reacts with all of the urine samples from adult males of 21-58 years of age tested, but does not react with any urine sample from young males of 3-16 years of age and from females of 2-68 years of age. The antigen in adult male urine which reacts specifically with this antibody is named as adult male-specific antigen, AMSA.