Journal
ANDROLOGIA
Volume 54, Issue 11, Pages -Publisher
WILEY
DOI: 10.1111/and.14612
Keywords
alpha lipoic acid; N-acetyl-cysteine; sperm cryopreservation
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Funding
- Academic Center for Education, Culture and Research
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The aim of this study was to evaluate the beneficial effects of NAC, ALA, and NAC+ALA combination supplement on sperm structural and functional characteristics in asthenoteratozoospermia patients in freezing medium. The results showed that NAC and ALA significantly improved sperm motility and DNA fragmentation, and NAC and ALA groups exhibited higher expression of antioxidant enzymes and NRF2 gene.
The aim of this study is to evaluate the beneficial effects of N-acetyl-cysteine (NAC), alpha lipoic acid (ALA) and combination of NAC + ALA supplement in freezing medium on Sperm structural and functional in asthenoteratozoospermia patients. Thirty freshly ejaculated semen samples were cryopreserved with sperm freezing medium (SFM) as control group and three group that SFM supplemented with NAC, ALA and their combination NAC+ ALA. The sperm samples were analysed according to WHO. Mitochondrial membrane potential (MMP), acrosome reaction (AR), antioxidant enzymes and DNA fragmentation were assessed using by Rhodamine123, PSA- FITC ELISA and TUNEL staining respectively. Expression level of NRF2 was assessed by real-time PCR assay. NAC and ALA alone significantly improved sperm motility, viability and DNA fragmentation (p < 0.05). MMP increased in NAC and ALA separately (p < 0.05). While did not affect the amount of sperm morphology and AR (p > 0.05). Antioxidant enzymes significantly difference in NAC and ALA groups (p < 0.05). In addition, NAC and ALA groups showed a significantly higher expression of NRF2 gene compared with other groups (p < 0.05). Our results revealed that the ALA and NAC supplements had a protective effect in cryopreservation process on the structural and functional characteristics of sperm.
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