The potential of exosomes for the cosmetic field has become increasingly clear over the past years. Exosomes are a type of extracellular vesicles with a size of 30-200 nm containing lipids, RNAs, proteins, and metabolites. Released by one cell to initiate a response in another cell, they are important players of cellular communication.
Thus, signaling via exosomes plays a major role in many cellular processes. In the skin, for instance, mesenchymal stem cells, precursors of different cell types, are essential for regeneration processes, such as wound healing. Interestingly, mesenchymal stem cells themselves are not needed for this process, but rather the exosomes that they secrete to communicate with other cells.
The potential of plant exosomes
As is the case with mammalian cells, plant cells use extracellular vesicles to transfer RNAs, proteins, lipids, and secondary metabolites. Such plant-derived exosome-like nanovesicles (‘plant exosomes’) function in intercellular communication, the plant’s defense system or cell wall organization.
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