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Microvesicles: ROS scavengers and ROS producers.

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  • 1Departamento de Biomedicina y Biotecnología, Universidad de Alcalá, Alcalá de Henares, Spain.

Journal of Extracellular Vesicles
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PubMed
Summary
This summary is machine-generated.

Microvesicles and reactive oxygen species (ROS) have a two-way relationship. Oxidative stress impacts microvesicle production, while microvesicles can alter ROS levels inside and outside cells.

Keywords:
Extracellular vesiclesmicrovesiclesreactive oxygen species

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Area of Science:

  • Cell Biology
  • Biochemistry
  • Oxidative Stress Research

Background:

  • Reactive oxygen species (ROS) play crucial roles in cellular signaling and pathology.
  • Microvesicles are small extracellular vesicles involved in intercellular communication.
  • The interplay between microvesicles and ROS is increasingly recognized as significant.

Purpose of the Study:

  • To review the bidirectional relationship between microvesicles and ROS.
  • To elucidate the mechanisms by which microvesicles influence ROS homeostasis.
  • To highlight the role of microvesicles' molecular cargo in modulating oxidative stress.

Main Methods:

  • Literature review of studies investigating microvesicles and ROS.
  • Analysis of direct and indirect effects of microvesicles on ROS.
  • Examination of molecular components within microvesicles.

Main Results:

  • Microvesicle production and content are modulated by oxidative stress.
  • Microvesicles directly scavenge or produce ROS via intrinsic machinery.
  • Microvesicles indirectly affect cellular ROS metabolism through cargo delivery and signaling pathway regulation.
  • Endothelial microvesicles possess a robust antioxidant system.

Conclusions:

  • Microvesicles are key regulators of ROS homeostasis.
  • The direct and indirect mechanisms highlight microvesicles' dual role in managing oxidative stress.
  • Proteins and miRNAs within microvesicles are critical mediators of ROS modulation.