Exploration du plasma séminal humain: approche physico-chimique |
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Authors: | S Hamamah F Seguin J Lansac |
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Institution: | 1. Unité de Biologie de la Reproduction, Faculté de Médecine, CHU Bretonneau, 37044 2. Laboratoire de Bioph Cell & RMN-INSERM U316, Faculté de Médecine, 37032, Tours
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Abstract: | Human seminal plasma glycerylphosphorylcholine (GPC), choline, citrate, and lactate were analysed by measuring the peak area of 1H nuclear magnetic resonance spectra (1H-MRS) in patients with spermatogenic failure or and obstructive azoospermia. The peak area ratios choline/citrate as well as choline/lactate were significantly different (p<0.01) between spermatogenic failure and obstructive azoospermia groups. When the serum FSH values was normal in spermatogenic failure men and obstructive azoospermia, a significant difference, was found in the GPC/choline ratio (P<0.001). The GPC/choline ratio appears to be a very important parameter not only to differentiate between spermatogenic failure and obstructive azoospermia when the FSH values are normal but also between differents forms of spermatogenic failure men. These results demonstrate the potential use of 1H-MRS on human seminal plasma in male infertility management. |
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