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Related Experiment Videos

Different approaches to study mast cell functions.

Runa Sur1, Druie Cavender, Ravi Malaviya

  • 1Johnson & Johnson Pharmaceutical Research and Development, Raritan, NJ, USA.

International Immunopharmacology
|March 28, 2007
PubMed
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Mast cells have dual roles in health and disease, contributing to allergies and fighting infections. New methods using gene-edited stem cells help uncover specific mast cell functions in vivo.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Mast cells are implicated in allergic disorders due to pro-inflammatory mediator release.
  • Conversely, mast cells are vital for innate immunity against bacterial infections.
  • Understanding mast cell components is crucial given their dual physiological and pathophysiological roles.

Purpose of the Study:

  • To review novel approaches for investigating mast cell functions in vivo.
  • To elucidate the specific roles of gene products in mast cell responses.

Main Methods:

  • Utilizing mast cell-deficient mice (WBB6F(1)-W/W(v)) and their wild-type littermates (WBB6F(1)-+/+).
  • Reconstituting mast cell-deficient mice with cultured mast cells.
  • Employing genetically-manipulated embryonic stem cells and gene knock-out mice to derive mast cells for reconstitution.

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Main Results:

  • Established methods involve comparing responses in mast cell-deficient, wild-type, and reconstituted mice.
  • Recent advancements allow reconstitution with genetically modified mast cells.
  • This enables detailed analysis of individual gene product functions in mast cells.

Conclusions:

  • Novel techniques provide powerful tools to dissect mast cell functions in vivo.
  • Investigating gene mutations in mast cells enhances understanding of their complex roles.
  • These approaches are key to understanding mast cell contributions to health and disease.