Experimental testicular tissue banking to generate spermatogenesis in the future: A multidisciplinary team approach

Area of Science:

• Reproductive biology
• Cell biology
• Cryopreservation science

Background:

• Spermatogonial stem cell (SSC) loss can lead to permanent infertility, particularly in males undergoing cancer treatment or with developmental/genetic disorders.
• Current fertility preservation methods like sperm cryopreservation are unsuitable for pre-pubertal boys and difficult for adolescents.
• Testicular tissue cryopreservation offers a potential solution for preserving SSCs in these patient groups.

Purpose of the Study:

• To describe a multidisciplinary approach for establishing a testicular tissue banking system.
• To address key aspects of fertility preservation using SSCs for males at risk of infertility.
• To lay the groundwork for future human SSC autotransplantation trials.

Main Methods:

• Development of a comprehensive testicular tissue banking protocol.
• Integration of consultation, tissue harvesting, histological evaluation, cryopreservation, and long-term storage procedures.
• Multidisciplinary team collaboration for establishing the banking system.

Main Results:

• A framework for testicular tissue banking has been established.
• Key considerations for successful SSC preservation and future application are outlined.
• The described approach facilitates fertility preservation for at-risk males.

Conclusions:

• Testicular tissue cryopreservation is a promising fertility preservation strategy for males unable to use conventional methods.
• Establishing a robust testicular tissue banking system is fundamental for advancing SSC technology.
• Further research and trials are necessary before human SSC autotransplantation can be widely implemented.