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Related Experiment Video

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Investigating Mast Cell Secretory Granules; from Biosynthesis to Exocytosis
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Mast Cell Activation Disease and Microbiotic Interactions.

Lawrence B Afrin1, Alexander Khoruts2

  • 1Division of Hematology, Oncology, and Transplantation, University of Minnesota, Minneapolis, Minnesota.

Clinical Therapeutics
|March 17, 2015
PubMed
Summary

Mast cell activation disease (MCAD) involves complex interactions between dysfunctional mast cells (MCs) and the body's microbiota. Understanding these microbiota-MC interactions is crucial for managing MCAD, a challenging multisystem illness.

Keywords:
mast cellmast cell activation diseasemast cell activation syndromemastocytosismicrobiota

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Area of Science:

  • Immunology and Microbiology
  • Gastroenterology and Internal Medicine

Background:

  • Mast cells (MCs) play vital roles in normal human biology and disease.
  • Mast cell activation disease (MCAD) presents diagnostic challenges due to its complex and variable nature.

Purpose of the Study:

  • To review the diagnostically challenging presentation of mast cell activation disease (MCAD).
  • To explore current understanding of interactions between the microbiota and mast cells (MCs).

Main Methods:

  • Comprehensive literature search of PubMed and Google Scholar (1960-2015).
  • Keywords included mast cell, mastocyte, mastocytosis, mast cell activation, MCAD, MC activation syndrome, microbiome, and microbiota.
  • Manual review of references and exclusion of non-electronically accessible studies.

Main Results:

  • Dysfunctional MCs in MCAD exhibit abnormal sensing and activation, potentially leading to chronic multisystem illness.
  • MCs respond to signals from the body's microbiota, and these interactions can be aberrant in MCAD.
  • Dysfunctional MCs interact poorly with microbiota, potentially causing adverse health consequences.

Conclusions:

  • Baseline interactions between microbiota and MCs are intricate.
  • Altered microbiota composition interacting with aberrant MCs in MCAD may amplify pathology or benefit.
  • Further research is essential to elucidate and utilize microbiota-MC interactions in MCAD management.