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Related Experiment Video

Updated: Aug 28, 2025

Mouse Sperm Cryopreservation and Recovery using the I·Cryo Kit

Mouse Sperm Cryopreservation and Recovery using the I·Cryo Kit

Published on: December 12, 2011

Restoring Sperm Quality Post-Cryopreservation Using Mitochondrial-Targeted Compounds.

Macarena Gonzalez¹, Tanisha Prashar¹, Haley Connaughton¹

¹Robinson Research Institute, School of Biomedicine, The University of Adelaide, Adelaide 5000, Australia.

Antioxidants (Basel, Switzerland)

|September 23, 2022

Summary

This summary is machine-generated.

Mitochondrial antioxidants like BGP-15 and L-carnitine improve sperm quality after cryopreservation. These compounds protect sperm viability, motility, and DNA integrity, enhancing fertility preservation potential.

Keywords:

DNA damage antioxidants cryopreservation mitochondria reactive oxygen species semen spermatozoa

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Area of Science:

Reproductive Biology
Andrology
Biochemistry

Background:

Cryopreservation is essential for male fertility preservation but often damages sperm quality.
Reduced sperm quality impacts fertilization potential and successful outcomes in assisted reproductive technologies.

Purpose of the Study:

To investigate the protective effects of mitochondrial-targeted antioxidant compounds (mitochondrial activators) on sperm quality during cryopreservation.
To assess the efficacy of BGP-15, MitoQ, and L-carnitine in mitigating cryopreservation-induced sperm damage.

Main Methods:

Semen samples from men undergoing IVF/ICSI were cryopreserved with or without BGP-15, MitoQ, and L-carnitine.
Analysis of sperm viability, motility, mitochondrial reactive oxygen species (ROS), mitochondrial membrane potential (MMP), and DNA damage in fresh and thawed samples.

Main Results:

Cryopreservation significantly decreased sperm viability, motility, and mucous penetration.
BGP-15, MitoQ, and L-carnitine enhanced sperm motility.
L-Carnitine preserved sperm viability, while BGP-15 and L-carnitine reduced oxidative DNA damage.
BGP-15 notably improved sperm mucous penetration, MMP, and reduced DNA fragmentation.

Conclusions:

Addition of BGP-15 or L-carnitine to cryopreservation media improves post-thaw sperm quality.
Mitochondrial antioxidants show promise for enhancing long-term male fertility preservation strategies.