前列腺特异膜抗原 (ｐｒｏｓｔａｔｅ ｓｐｅｃｉｆｉｃｍｅｍｂｒａｎｅａｎｔｉｇｅｎ ,ＰＳＭＡ)是存在于前列腺细胞膜上的组织特异性抗原 ,由于其在前列腺癌分期、诊断和治疗中具有重要的临床意义 ,故将其研究现况综述如下。1　ＰＳＭＡ的生物学特性1987年 ,Ｈｏｒｏｓｚｅ Prostate-specific membrane antigen (PSMA) is a tissue-specific antigen present on the membrane of prostate cells. Because of its important clinical significance in the staging, diagnosis and treatment of prostate cancer, its research status is summarized as follows. 1 PSMA Biological Characteristics 1987, Horosze