Relationship between lipocalin-type prostaglandin D synthase and alpha-glucosidase in azoospermia seminal plasma |
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Authors: | Chen De-Yu Wang Jun-Jun Huang Yu-Feng Zhou Kai-Ya |
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Institution: | College of Life Science, Nanjing Normal University, Nanjing, China; Laboratory of Reproduction and Genetics, JinLing Hospital, Nanjing, China. chendeyu@263.net |
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Abstract: | BACKGROUND: corrected] To determine the correlation of lipocalin-type prostaglandin D synthase (L-PGDS) and alpha-glucosidase in semen. METHODS: We analyzed 68 seminal plasmas for lipocalin-type prostaglandin D synthase (L-PGDS) and alpha-glucosidase, L-PGDS was analyzed by ELISA. The semen donors were categorized in 3 groups: normal, obstructive and non-obstructive azoospermia. We then evaluated their correlation. RESULTS: The difference of L-PGDS concentration (P<0.001) and alpha-glucosidase activity (P<0.001) among the 3 clinical groups was statistically significant. Correlation between L-PGDS concentration and alpha-glucosidase was also statistically significant. L-PGDS concentration correlated positively with alpha-glucosidase activity (r=0.882). CONCLUSIONS: L-PGDS in seminal plasma, like alpha-glucosidase, suggests an obstruction of the seminal ducts and may be a potential marker that may aid in the differential diagnosis of obstructive and non-obstructive azoospermia. |
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