Summary of Testicular Function Improvement Agent and Testicular Function Improvement Method (Patent No. 6830286)

The testicular function improvement agent aimed for in this patent includes microvesicles (exosomes, etc.) derived from the culture supernatant of dental pulp-derived stem cells, adipose-derived stem cells, or their immortalized stem cells. This testicular function improvement agent is intended to improve the ability of the testes themselves to produce sperm, enhance the functionality of the sperm obtained from the testes, improve the function of the sperm obtained from the testes when acting on females, and provide aging care for these functions that may deteriorate due to aging. Additionally, it can be used to activate sperm when added to seminal fluid extracted from animals.