Patent Issued for Method for producing exosomes and exosomes obtained thereby (USPTO 11773377).

A patent has been issued to the Tokyo Institute of Technology for a method of producing exosomes, which are extracellular vesicles secreted by cells. Exosomes have been found to contain proteins, lipids, and nucleic acids, and can potentially be used for drug delivery and diagnostic purposes. The method described in the patent involves incorporating various substances into exosomes using a semi-intact cell system and a cell resealing technique. The patent provides detailed steps for the method, including the use of biological toxins and calcium ions. [Extracted from the article]