Evaluation of intracellular anion superoxide level, heat shock protein A2 and protamine positive spermatozoa percentages in teratoasthenozoospermia

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2017
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Abstract
Background: Teratoasthenozoospermia (TA) is a severe form of male infertility with no clear etiology. Objective: To compare the level of intracellular anion superoxide (O2–), heat shock protein A2 (HSPA2) and protamine deficiencies in ejaculated spermatozoa between teratoasthenozoospermic and normozoospermic men. Materials and Methods: In this case- control study, semen samples of 20 infertile men, with TA (with normal morphology lower than 4%_ and total motility lower than 40% ) as the case group and 20 normozoospermic fertile men as the control group were evaluated for intracellular O2 – and HSPA2 by flow cytometry and protamine deficiency by Chromomycin A3 (CMA3) test. Results: The rate of CMA3+ spermatozoa in the case group was higher than controls (p=0.001). The percentages of HSPA2+ spermatozoa in the cases were significantly lower than controls (p=0.001). Also, intracellular O2 – levels in the case group were significantly higher than controls (p=0.001) and had positive correlations with sperm apoptosis (r=0.79, p=0.01) and CMA3 positive sperm (r=0.76, p=0.01), but negative correlations with normal morphology (r=-0.81, p=0.01) and motility (r=-0.81, p=0.01). There was no significant correlation between intracellular O2 – and HSPA2 in the case group (r=0.041, p=0.79). Conclusion: We suggest that the increase in intracellular O2 –, decrease in spermatozoa HSPA2+, and high percentages of spermatozoa with immature chromatin might be considered as etiologies of infertility in TA patients
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Authors Sabeti, Parvin;Amidi, Fardin;Kalantar, Seyed Mahdi;Gilani, Mohammad Ali Sedighi;Pourmasumi, Soheila;Najafi, Atefeh;Talebi, Ali Reza;
Journal international journal of reproductive biomedicine
Year 2017
DOI
DOI not found
URL
http://www.ssu.ac.ir/ijrm/index.php/ijrm/article/view/2567/1137
Keywords
chemistry Biology (General) Medicine Science (General) neurosciences. biological psychiatry. neuropsychiatry gynecology and obstetrics social sciences (general) animal culture reproduction

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