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2016 ; 778
(ä): 11-23
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Signal transduction and chemotaxis in mast cells
#MMPMID25941081
Draber P
; Halova I
; Polakovicova I
; Kawakami T
Eur J Pharmacol
2016[May]; 778
(ä): 11-23
PMID25941081
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Mast cells play crucial roles in both innate and adaptive arms of the immune
system. Along with basophils, mast cells are essential effector cells for
allergic inflammation that causes asthma, allergic rhinitis, food allergy and
atopic dermatitis. Mast cells are usually increased in inflammatory sites of
allergy and, upon activation, release various chemical, lipid, peptide and
protein mediators of allergic reactions. Since antigen/immunoglobulin E
(IgE)-mediated activation of these cells is a central event to trigger allergic
reactions, innumerable studies have been conducted on how these cells are
activated through cross-linking of the high-affinity IgE receptor (Fc?RI).
Development of mature mast cells from their progenitor cells is under the
influence of several growth factors, of which the stem cell factor (SCF) seems to
be the most important. Therefore, how SCF induces mast cell development and
activation via its receptor, KIT, has been studied extensively, including a
cross-talk between KIT and Fc?RI signaling pathways. Although our understanding
of the signaling mechanisms of the Fc?RI and KIT pathways is far from complete,
pharmaceutical applications of the knowledge about these pathways are underway.
This review will focus on recent progresses in Fc?RI and KIT signaling and
chemotaxis.