Originally, it was thought that nanometer sized exosomes were useless materials. However, the team discovered that they contained essential materials for mRNA and proteins. Moreover, as these materials were known to function for cell signaling, they are being researched for therapeutic applications.
The cell is first passed through a straight microchannel so that the cell would be broken down. Then using the cell membrane? self-assembly property, the team has successfully created a nanovesicle that contained the materials that were in the cell. It was discovered that the artificial nanovesicle not only has membrane proteins that are similar to exosomes, but can also transfer cell materials to other cells.
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