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The change in morphology and behavior of a mast cell resulting from exposure to a cytokine, chemokine, soluble factor, or to (at least in mammals) an antigen which the mast cell has specifically bound via IgE bound to Fc-epsilonRI receptors. A change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor. Any process that activates or increases the frequency, rate or extent of activation. Any process that activates or increases the frequency, rate, or extent of leukocyte activation. Any process that activates or increases the frequency, rate, or extent of mast cell activation during an immune response. Any process that modulates the frequency, rate, or extent of leukocyte activation. Any process that activates or increases the frequency, rate, or extent of an immune system process. Any process that activates or increases the frequency, rate, or extent of mast cell activation. Any process that modulates the frequency, rate, or extent of mast cell activation. A change in the morphology or behavior of a myeloid leukocyte resulting from exposure to an activating factor such as a cellular or soluble ligand.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: positive regulation of mast cell activation
Acc: GO:0033005
Aspect: Biological Process
Desc: Any process that activates or increases the frequency, rate, or extent of mast cell activation.
Proteins in PDR annotated with:
   This term: 2 [Search]
   Term or descendants: 21 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0033005 - positive regulation of mast cell activation (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle