Abstract
In this study, the sperm protein profile was compared between fertile and infertile men using 2-dimensional gel electrophoresis, liquid chromatography mass spectrometer analysis, and matrix-assisted laser desorption ionization-time-of-flight-mass spectrometry. Four unique proteins, semenogelin II precursor, prolactin-induced protein, clusterin isoform 1, and prostate-specific antigen isoform 1 preproprotein, were predominantly present in the semen of healthy men; however, semenogelin II precursor and clusterin isoform 1 were not seen in the semen of infertile men, suggesting unique differences in the spermatozoa protein profiles of fertile and infertile men.
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