Exsomes

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Exosomes are nano-sized vesicles (tiny bubbles) secreted by cells that act as messengers, transferring proteins, lipids, and genetic material between cells. They play a role in intercellular communication and are being explored for potential therapeutic uses in regenerative medicine, such as skin rejuvenation and hair growth, though research is still ongoing. They can also be found in many biological fluids like blood and saliva.