Exosomes are nanovesicles released from cells through exocytosis and are known mediators of proximal and distant cell-to-cell signaling. Still little is known and written about cardiac exosomes, although Gupta and Knowlton described exosomes containing HSP60 in 2007 .
The male prostate gland is a walnut-sized structure responsible for controlling the flow of urine and adding fluid to contribute to the total volume of semen produced. Prostate cancer is the second leading cause of death among men, with 1 in 7 men being diagnosed in his lifetime.
Exosomes can be thought of as tiny packages of potential. Given their intricate construction, exosomes may possess a much more powerful influence on the physiology of the cells they encounter than other solitary mediators, such as hormones, lipids, or cytokines.