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Updated: Jun 24, 2026
09:07
Analyzing the Functions of Mast Cells In Vivo Using 'Mast Cell Knock-in' Mice
Published on: May 27, 2015
The tyrosine kinase network regulating mast cell activation.
Alasdair M Gilfillan1, Juan Rivera
1Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1930, USA.
Immunological Reviews
|March 18, 2009
Summary
Mast cells initiate allergic reactions via immunoglobulin E (IgE) and KIT receptor signaling. This review details the tyrosine kinase network regulating mast cell activation, crucial for understanding inflammatory disorders.
Area of Science:
- Immunology
- Cell Biology
- Biochemistry
Background:
- Mast cell mediator release is key in allergic inflammatory reactions.
- Activation occurs via immunoglobulin E (IgE) and KIT receptor signaling.
- Tyrosine kinases are central to mast cell activation signaling.
Purpose of the Study:
- To review the regulation and role of tyrosine kinases in mast cell activation.
- To elucidate the signaling pathways involved in Fc epsilon RI and KIT receptor activation.
- To understand the molecular mechanisms underlying allergic disorders.
Main Methods:
- Review of existing literature on mast cell signaling pathways.
- Analysis of the roles of specific tyrosine kinases (Src, Syk, Tec, SHP-1, SHP-2).
- Discussion of Fc epsilon RI and KIT receptor-mediated signaling cascades.
Main Results:
- Fc epsilon RI signaling requires Src family kinases and Syk.
- KIT receptor has intrinsic tyrosine kinase activity.
- Tyrosine kinase pathways are modulated by Bruton's tyrosine kinase, SHP-1, and SHP-2.
Conclusions:
- The tyrosine kinase network critically regulates mast cell activation.
- Understanding this network is vital for developing targeted therapies for allergic diseases.
- Further research into these signaling pathways can lead to novel anti-inflammatory strategies.
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