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Generation of Lymphocytic Microparticles and Detection of their Proapoptotic Effect on Airway Epithelial Cells
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Microparticles in Autoimmunity: Cause or Consequence of Disease?

Nils Rother1, Cansu Yanginlar1, Elmar Pieterse1

  • 1Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands.

Frontiers in Immunology
|May 6, 2022
PubMed

Insights

Microparticles (MPs), small vesicles from cells, mediate communication and are biomarkers for diseases like autoimmune conditions. Standardized methods are needed for their isolation and characterization to advance understanding of their biological roles.

Area of Science:

  • Cell Biology
  • Immunology
  • Biochemistry

Background:

  • Microparticles (MPs) are extracellular vesicles released from activated or dying cells.
  • MPs act as intercellular communicators, transferring biomolecules like proteins and nucleic acids.
  • Their presence in blood and urine makes them accessible, and they are implicated in disease pathogenesis and as potential biomarkers.

Purpose of the Study:

  • To review current techniques for isolating and characterizing MPs.
  • To define MP characteristics during cell death.
  • To illustrate MP-mediated intercellular communication and their role in pathological mechanisms, particularly autoimmune diseases.

Main Methods:

  • Review of scientific literature on MP isolation and characterization techniques.
  • Analysis of MP properties, focusing on those derived from apoptotic cells.
  • Synthesis of data on MP involvement in intercellular communication and disease pathways.

Main Results:

  • MP isolation and characterization remain technically challenging, leading to study discrepancies.
  • MPs, especially from apoptotic cells, exhibit immunogenic properties due to modified biomolecules.
  • MPs are frequently observed in autoimmune diseases, contributing to immune tolerance breakdown and inflammation.

Conclusions:

  • Standardized guidelines for MP isolation and characterization are crucial for consistent research outcomes.
  • Further understanding of MP biology is advancing, revealing their significant role in pathological mechanisms.
  • MPs are key players in autoimmune diseases, highlighting their potential as therapeutic targets and diagnostic markers.
Keywords:
autoimmunitycell deathcellular communicationmicroparticle isolation techniquesmicroparticles

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