A research study published in BioMed Research International in 2020 by Volkova et al. explores how C60 fullerene, a carbon-based nanoparticle, can improve the preservation of testicular tissue during cryopreservation. The study shows that C60 acts as a powerful antioxidant to protect testicular tissue from damage during freezing and thawing.

In simple terms, cryopreservation is a process to freeze and store testicular tissue, often to preserve fertility for patients undergoing treatments like chemotherapy that can harm reproductive cells. However, freezing and thawing can damage tissue due to harmful molecules called reactive oxygen species (ROS). The researchers tested adding C60 fullerene (at 10, 15, and 20 μg/mL) to the preservation medium for frozen rat testicular tissue. They found that a 15 μg/mL dose worked best, reducing ROS, preventing cell damage, and keeping more cells alive (1.2 times higher) while lowering dead cells (1.6 times fewer) compared to samples without C60. It also supported healthier tissue structure, better mitochondrial function, and stronger natural antioxidant defenses, without significantly affecting cell death processes or sperm-producing cells.

This study highlights C60’s potential to improve testicular tissue preservation. These findings could lead to better methods for storing testicular tissue, offering hope for maintaining fertility in patients facing gonadotoxic treatments.

Link to research study:

• The Use of Fullerene C60 to Preserve Testicular Tissue after Cryopreservation