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The content and distribution of glycosaminoglycans in the ejaculates of normal and vasectomized men

Summary. The glycosaminoglycans (GAGs) of sperm and seminal plasma of normal men and seminal plasma of vasectomized individuals have been identified and quantified by two dimensional (2D) electrophoresis. The sperm contains predominantly CSC and HS as well as significant amounts of DS which achieves a high level in the sperm of the youngest man, while HA and LSC are either undetectable or present in small quantities. In normal seminal plasma, characteristically, DS is essentially lacking whereas CSC is the major GAG and HA and LSC account for relatively high percentages. Interestingly, in the ejaculates of vasectomized men the DS content is relatively prominent and the HA concentration varies widely. The oversulfated chondroitin sulfates CSD/CSE were detected in 7 of the 37 specimens. Their presence in a normal human body fluid is reported for the first time and the previous observation of the youthful DS/CSC switch is expanded to this study.