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Any process that stops, prevents or reduces the frequency, rate or extent of cell activation. Any process that modulates the frequency, rate or extent of cell activation, the change in the morphology or behavior of a cell resulting from exposure to an activating factor such as a cellular or soluble ligand. Any process that is carried out at the cellular level, but not necessarily restricted to a single cell. For example, cell communication occurs among more than one cell, but occurs at the cellular level. A change in the morphology or behavior of a satellite cell resulting from exposure to an activating factor such as a cellular or soluble ligand. Satellite cells are quiescent cells that are located between the basal lamina and the plasmalemma of the muscle fiber, which are the main contributors to postnatal muscle growth. In adult muscle, satellite cells become activated to divide and differentiate in response to muscle damage. Any process that activates or increases the frequency, rate or extent of activation. A series of progressive, overlapping events triggered by exposure of the platelets to subendothelial tissue. These events include shape change, adhesiveness, aggregation, and release reactions. When carried through to completion, these events lead to the formation of a stable hemostatic plug. A change in morphology and behavior of an astrocyte resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor. A change in the morphology or behavior of a neuroblast resulting from exposure to an activating factor such as a cellular or soluble ligand. A change in the morphology or behavior of a keratinocyte resulting from exposure to an activating factor such as a cellular or soluble ligand. Upon activation, keratinocytes become migratory and hyperproliferative, and produce growth factors and cytokines. Any process specifically pertinent to the functioning of integrated living units: cells, tissues, organs, and organisms. A process is a collection of molecular events with a defined beginning and end. A change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor. The process whereby the egg becomes metabolically active, initiates protein and DNA synthesis and undergoes structural changes to its cortex and/or cytoplasm. A change in the morphology or behavior of a follicular dendritic cell resulting from exposure to an activating factor such as a cellular or soluble ligand. The change in morphology and behavior of an endothelial cell resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor. A change in the morphology or behavior of a cell resulting from exposure to an activating factor such as a cellular or soluble ligand, leading to the initiation or perpetuation of an immune response. A change in the morphology or behavior of a cell resulting from exposure to an activating factor such as a cellular or soluble ligand.

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: cell activation
Acc: GO:0001775
Aspect: Biological Process
Desc: A change in the morphology or behavior of a cell resulting from exposure to an activating factor such as a cellular or soluble ligand.
Proteins in PDR annotated with:
   This term: 6 [Search]
   Term or descendants: 736 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0001775 - cell activation (interactive image map)

YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle