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Metalloproteinases in extracellular vesicles.

Masayuki Shimoda1, Rama Khokha2

  • 1Department of Pathology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan; Department of Medical Biophysics, University of Toronto, Princess Margaret Cancer Centre, TMDT 301-13, 101 College Street, Toronto, Ontario M5G 1L7, Canada.

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PubMed
Summary

Extracellular vesicles (EVs) carry metalloproteinases that influence cell communication and tissue remodeling. These EV-associated metalloproteinases play roles in disease progression, particularly in tumor microenvironments.

Keywords:
A disintegrin and metalloproteinase (ADAM)ExosomeExtracellular matrix (ECM)Extracellular vesicle (EV)Matrix metalloproteinase (MMP)

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Area of Science:

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Background:

  • Extracellular vesicles (EVs) are key mediators of intercellular communication.
  • EVs contain diverse bioactive molecules, including proteins like metalloproteinases.
  • Metalloproteinases, such as ADAMs, ADAMTSs, and MMPs, are found on and within EVs.

Purpose of the Study:

  • To review recent findings on metalloproteinases within EV biology.
  • To discuss the role of EV-associated metalloproteinases in intercellular communication.
  • To highlight the involvement of these metalloproteinases in human diseases, especially cancer.

Main Methods:

  • Literature review of recent studies on EVs and metalloproteinases.
  • Analysis of protein profiles of EVs from various cell types and body fluids.
  • Discussion of functional roles and disease implications.

Main Results:

  • EVs harbor various metalloproteinases (ADAMs, ADAMTSs, MMPs) that can modify EV composition.
  • EV-associated metalloproteinases can affect target cells and degrade extracellular matrix.
  • Metalloproteinase-loaded EVs can activate signaling pathways, promoting tumor progression.

Conclusions:

  • EV-associated metalloproteinases are critical players in modulating cellular functions and microenvironments.
  • Understanding these metalloproteinases in EVs offers insights into disease mechanisms.
  • Further research into EV metalloproteinases holds therapeutic potential for diseases like cancer.