Localization of Ureaplasma Urealyticum on Human Spermatozoa

Semen specimens were collected from 20 normal fertile men and 20 unexplained infertile men with U reaplasma urealyticum (U.U.) in semen. Spermatozoa of both groups were examined by immunogold technique and immunofluorescence test. A number of gold particles of the U. U. adhered to the sperm surface of infertile men were observed. Strong specific fluorescence was noticed on the sperm surface of infertile men, mostly on the midpiece and/ or postacrosomal region. A significant increase of sperm morphological abnormality, especially the swollen midpiece, the coiled tail, and head-tail angalation sperms was observed in infertile group. The sperm motility in infertile group is dramatically lower than that infertile group, It is hypothesized that teratospermia, poor motility and interference with sperm-ovum interaction might be the possible mechanisms for male infertility caused by Ureaplasma urealyticum.

Localization of Ureaplasma Urealyticum on Human Spermatozoa

Semen specimens were collected from 20 normal fertile men and 20 unexplained infertile men with Ureaplasma urealyticum (U.U.)in semen.SPermatozoa Of both groups were examined by immunogold technique and immunofiuorescence test. A number of gold particles of the U.U.adhered to the sperm surface of infertile men irers observed.Strong special fluorescence was noticed on the sperm surface of infertile men,mostly on the midpiece and/or postacrosomal region.A significant increase of sperm molphological abnormality,especially the swollen midpiece,the coiled lail,and head-tail angulation sperms was observed in infertile group.The sperm motility in inferlile grouP is dramatically lower than that infertile group.It is hypolhesized that teratospermia,poor motility and interference with sperm-ovum interaction might be the possible mechanisms for male infertility caused by Ureaplasma urealyticum.