The emerging role of exosome-derived non-coding RNAs in cancer biology

Exosomes are a new means of intercellular information exchange that have aroused great research interest. Long neglected in research, exosomes were deemed nonfunctional cellular components to be discarded. However, it has been gradually revealed that exosomes are an important tool for the exchange of intercellular information and material. Exosomes contain specific repertoires of non-coding RNAs (ncRNAs, including microRNA and lncRNA), indicating that a specific RNA sorting mechanism may exist. Correspondingly, intracellular multivesicular bodies (MVBs) are produced after fusion with the cell membrane to release exosomes rather than inducing autophagy, which reveals that there may be a specific regulatory mechanism for MVB secretion.

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