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Article

Expression of gp20, a human sperm antigen of epididymal origin, is reduced in spermatozoa from subfertile men

29 Jul 2004

Abstract excerpt

gp20, a sialylglycoprotein of human sperm homologous to CD52, is present everywhere on the surface of the freshly ejaculated sperm but is prevalently localized in the equatorial region of the head of capacitated sperm. In the present study, we confirmed this feature on large scale and correlated equatorial exposure of the antigen to the presence of serum albumin (SA) in the capacitation medium. Furthermore, we...

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PMID: 15293226
DOI: 10.1002/mrd.20166

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