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International Journal of Fertility and Sterility، جلد ۱۰، شماره ۲، صفحات ۲۰۸-۲۱۴
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عنوان انگلیسی Thyroxin Is Useful to Improve Sperm Motility
چکیده انگلیسی مقاله Objective: The aim of this study was to evaluate the non-genomic action of thyroxin on sperm kinetic and its probable use to improve sperm recovery after applying an enrichment method like “swim-up” in comparison with the available one, pentoxifylline. Materials and methods: This is an experimental study. A total of 50 patients were recruited, followed by infertility consultation. Conventional sperm assays were performed according to World Health Organization criteria-2010 (WHO-2010). A Computer Aided Semen Analysis System was employed to assess kinetic parameters and concentrations. Number of the motile sperm recovered after preparation technique was calculated. Results: Addition of T4 (0.002 μg/ml) to semen samples increased hypermotility at 20 minutes (control: 14.18 ± 5.1% vs. 17.66 ± 8.88%, P< 0.03, data expressed as mean ± SD) and remained unchanged after 40 minutes. Significant differences were found in the motile sperm recovered after swim-up (control: 8.93×106 ± 9.52× 06 vs. 17.20×106 ± 21.16×106, P< 0.03), achieving all of the tested samples a desirable threshold value for artificial insemination outcome, while adding pentoxifylline increased the number of recovered sperm after swim-up in 60% of the studied cases. No synergism between two treatments could be determined. Conclusion: We propose a new physiological tool to artificially improve insemination. The discussion opens windows to investigate unknown pathways involved in sperm capacitation and gives innovative arguments to better understand infertility mechanisms.
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نویسندگان مقاله gabriela روث mendeluk | gabriela ruth mendeluk


mónica rosales | mónica rosales


نشانی اینترنتی http://ijfs.ir/journal/article/abstract/4911
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/72/article-72-367994.pdf
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