From Exosome Biogenesis to Absorption: Key Takeaways for Cancer Research

Exosomes are mediators of intercellular communication in normal physiology and diseases. While many studies have emerged on the function of exosomal cargoes, questions remain regarding the origin of these exosomes. The packaging and secretion of exosomes in different contexts modify exosomal composi...

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Main Authors: Nicolas Cheuk Hang Lau, Judy Wai Ping Yam
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Cancers
Subjects:
Online Access:https://www.mdpi.com/2072-6694/15/7/1992
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author Nicolas Cheuk Hang Lau
Judy Wai Ping Yam
author_facet Nicolas Cheuk Hang Lau
Judy Wai Ping Yam
author_sort Nicolas Cheuk Hang Lau
collection DOAJ
description Exosomes are mediators of intercellular communication in normal physiology and diseases. While many studies have emerged on the function of exosomal cargoes, questions remain regarding the origin of these exosomes. The packaging and secretion of exosomes in different contexts modify exosomal composition, which may in turn impact delivery, uptake and cargo function in recipient cells. A mechanistic understanding of exosome biology is therefore crucial to investigating exosomal function in complex biological systems and to the development of novel therapeutic approaches. Here, we outline the steps in exosome biogenesis, including endosome formation, MVB formation, cargo sorting and extracellular release, as well as exosome absorption, including targeting, interaction with recipient cells and the fate of internalized exosomes. In addition to providing a framework of exosome dynamics, we summarize current evidence on major pathways and regulatory mechanisms. We also highlight the various mechanisms observed in cancer and point out directions to improve study design in exosome biology. Further research is needed to illuminate the relationship between exosome biogenesis and function, which will aid the development of translational applications.
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spelling doaj.art-cea529af05374558bec31db9d0fe60d02023-11-17T16:24:34ZengMDPI AGCancers2072-66942023-03-01157199210.3390/cancers15071992From Exosome Biogenesis to Absorption: Key Takeaways for Cancer ResearchNicolas Cheuk Hang Lau0Judy Wai Ping Yam1Department of Pathology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong KongDepartment of Pathology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong KongExosomes are mediators of intercellular communication in normal physiology and diseases. While many studies have emerged on the function of exosomal cargoes, questions remain regarding the origin of these exosomes. The packaging and secretion of exosomes in different contexts modify exosomal composition, which may in turn impact delivery, uptake and cargo function in recipient cells. A mechanistic understanding of exosome biology is therefore crucial to investigating exosomal function in complex biological systems and to the development of novel therapeutic approaches. Here, we outline the steps in exosome biogenesis, including endosome formation, MVB formation, cargo sorting and extracellular release, as well as exosome absorption, including targeting, interaction with recipient cells and the fate of internalized exosomes. In addition to providing a framework of exosome dynamics, we summarize current evidence on major pathways and regulatory mechanisms. We also highlight the various mechanisms observed in cancer and point out directions to improve study design in exosome biology. Further research is needed to illuminate the relationship between exosome biogenesis and function, which will aid the development of translational applications.https://www.mdpi.com/2072-6694/15/7/1992exosomeextracellular vesicleintercellular communicationbiogenesistargetingregulation
spellingShingle Nicolas Cheuk Hang Lau
Judy Wai Ping Yam
From Exosome Biogenesis to Absorption: Key Takeaways for Cancer Research
Cancers
exosome
extracellular vesicle
intercellular communication
biogenesis
targeting
regulation
title From Exosome Biogenesis to Absorption: Key Takeaways for Cancer Research
title_full From Exosome Biogenesis to Absorption: Key Takeaways for Cancer Research
title_fullStr From Exosome Biogenesis to Absorption: Key Takeaways for Cancer Research
title_full_unstemmed From Exosome Biogenesis to Absorption: Key Takeaways for Cancer Research
title_short From Exosome Biogenesis to Absorption: Key Takeaways for Cancer Research
title_sort from exosome biogenesis to absorption key takeaways for cancer research
topic exosome
extracellular vesicle
intercellular communication
biogenesis
targeting
regulation
url https://www.mdpi.com/2072-6694/15/7/1992
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