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- W2167339472 abstract "ObjectiveTo determine whether the expression of DJ-1 protein, whose levels in spermatozoa have been reported to be highly correlated with male infertility caused by toxicants, is changed in spermatozoa of Chinese asthenozoospermia patients.DesignDJ-1 measurement by Western blotting, quantitive ELISA, and isoelectric-focusing electrophoresis (IFE) combined with immunoblotting.SettingAcademic medical center and research laboratories.Patient(s)Asthenozoospermia patients (n = 113), including mild asthenozoospermia patients (n = 70) and moderate asthenozoospermia patients (n = 43), and age-matched control subjects (n = 58).Intervention(s)None.Main Outcome Measure(s)DJ-1 in spermatozoa was determined by Western blotting and ELISA, the isoelectric point (pI) of DJ-1 by IFE combined with immunoblotting, and sperm superoxide dismutase (SOD) activity by an assay kit.Result(s)The sperm DJ-1 concentration in moderate asthenozoospermia patients was lower than those in mild asthenozoospermia patients and control subjects. DJ-1 with a more acidic pI was increased in asthenozoospermia patients. Sperm SOD activity was decreased in asthenozoospermia patients.Conclusion(s)DJ-1 levels are reduced in moderate asthenozoospermia patients. DJ-1 concentration is positively correlated with sperm motility and sperm SOD activity indicated by partial correlation analysis. To determine whether the expression of DJ-1 protein, whose levels in spermatozoa have been reported to be highly correlated with male infertility caused by toxicants, is changed in spermatozoa of Chinese asthenozoospermia patients. DJ-1 measurement by Western blotting, quantitive ELISA, and isoelectric-focusing electrophoresis (IFE) combined with immunoblotting. Academic medical center and research laboratories. Asthenozoospermia patients (n = 113), including mild asthenozoospermia patients (n = 70) and moderate asthenozoospermia patients (n = 43), and age-matched control subjects (n = 58). None. DJ-1 in spermatozoa was determined by Western blotting and ELISA, the isoelectric point (pI) of DJ-1 by IFE combined with immunoblotting, and sperm superoxide dismutase (SOD) activity by an assay kit. The sperm DJ-1 concentration in moderate asthenozoospermia patients was lower than those in mild asthenozoospermia patients and control subjects. DJ-1 with a more acidic pI was increased in asthenozoospermia patients. Sperm SOD activity was decreased in asthenozoospermia patients. DJ-1 levels are reduced in moderate asthenozoospermia patients. DJ-1 concentration is positively correlated with sperm motility and sperm SOD activity indicated by partial correlation analysis." @default.
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- W2167339472 date "2011-07-01" @default.
- W2167339472 modified "2023-10-12" @default.
- W2167339472 title "Down-regulation of DJ-1 protein in the ejaculated spermatozoa from Chinese asthenozoospermia patients" @default.
- W2167339472 cites W13891760 @default.
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- W2167339472 doi "https://doi.org/10.1016/j.fertnstert.2011.04.048" @default.
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