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Assessment of Motility and Survival Rate of Asthenospermic Men's Sperm Cultured in Media Plus Leukemia Inhibitor Factor

Keywords: asthenospermia , survival rate , sperm motility , LIF

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Abstract:

As our knowledge no report was given about effect of leukemia inhibitor factor on sperm motility and survival rate of asthenospermic infertile men. That's why this study was decided to review the effects of Leukemia Inhibitor Factor (LIF) with different concentrations of 0, 3, 5, 10, 50 ng mL-1 on motility and survival rate of asthenospermic infertile men. Semen samples of 15 asthenospermic men who referred to IVF unit of Imam Khomeini Hospital, Ahvaz, Iran were collected and put in incubator under condition 5% CO2 in air at 37°C for 45-30 min then total sperm count was done first, then calculate the motile sperm with a degree a and b. In this study, we evaluated only samples that had sperm motility percent of more than 30%. After that time from every sample about 10 μL removed and culture in different media. Every drop was evaluated 6, 24, 48 h after cultured of sperm in it for motility and survival rate of sperm. Statistical analysis shows that the forward motility of sperm cultured for 6 h in media with and without of LIF is not significant (p>0.05) but after 24 h the forward motility and survival rate of sperm cultured in media with 10 and 50 ng mL-1 of LIF significantly increased (p<0.05) and after 48 h the forward motility and as well as survival rate of sperm cultured in media with 50 ng mL-1 of LIF significantly increased (p<0.05). The conclusion from this study is that certain concentrations of leukemia inhibitor factor can increase the motility and survival rate of sperm.

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