Investigating the level of DNA double-strand break in human spermatozoa and its relation to semen characteristics and IVF outcome using phospho-histone H2AX antibody as a biomarker.

Andrology
O CobanN Serakinci

Abstract

Sperm DNA fragmentation and its relation to conventional semen parameters are well studied. However, there is limited information regarding the rate of DNA double-strand breaks (DSBs) and its correlation to basic semen parameters and IVF outcome. The present study aimed to investigate the rate of DNA DSBs in human spermatozoa and its correlation to basic semen parameters and IVF outcome. The prospective study includes 60 assisted reproductive treatment cycles (52 autologous and eight donors) in which the semen profiles and sperm DNA DSBs have been assessed. The level of sperm DNA DSBs in each sample has been evaluated by using a method to detect histone H2AX phosphorylation. The results were compared with basic semen values and IVF outcomes. No significant correlation was observed between phospho-histone H2AX (γH2AX) levels and basic semen parameters such as semen volume (p = 0.129), sperm count (p = 0.454), total motility (p = 0.934), progressive motility (p = 0.314) and normal sperm morphology (p = 0.720). Similarly, the mean values of γH2AX did not differ with regard to the age of male participants (p = 0.300). However, cycles that resulted in live birth exhibited lower levels of γH2AX (p = 0.007). Accordingly, the level of ...Continue Reading

References

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Citations

Jun 4, 2020·International Journal of Molecular Sciences·Ashok AgarwalRenata Finelli
Mar 5, 2021·Journal of Assisted Reproduction and Genetics·Sandra Lara-CerrilloAgustín García-Peiró
Jul 2, 2021·Frontiers in Cell and Developmental Biology·Jordi Ribas-MaynouSergi Bonet

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