RGD Reference Report - Identification of genes and proteins specifically regulated by costimulation of mast cell Fcepsilon Receptor I and chemokine receptor 1. - Rat Genome Database

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Identification of genes and proteins specifically regulated by costimulation of mast cell Fcepsilon Receptor I and chemokine receptor 1.

Authors: Aye, CC  Toda, M  Morohoshi, K  Ono, SJ 
Citation: Aye CC, etal., Exp Mol Pathol. 2012 Jun;92(3):267-74. doi: 10.1016/j.yexmp.2012.02.002. Epub 2012 Mar 7.
RGD ID: 11252086
Pubmed: PMID:22417871   (View Abstract at PubMed)
DOI: DOI:10.1016/j.yexmp.2012.02.002   (Journal Full-text)

Mast cell function is a critical component of allergic reactions. Mast cell responses mediated by the high-affinity immunoglobulin E receptor FcepsilonRI can be enhanced by co-activation of additional receptors such as CC chemokine receptor 1 (CCR1). To examine the downstream effects of FcepsilonRI-CCR1 costimulation, rat basophilic leukemia cells stably transfected with CCR1 (RBL-CCR1 cells) were sensitized and activated with antigen and/or the CCR1 ligand CC chemokine ligand (CCL) 3. Gene and protein expression were determined at 3h and 24h post-activation, respectively, using GeneChip and Luminex bead assays. Gene microarray analysis demonstrated that 32 genes were differentially regulated in response to costimulation, as opposed to stimulation with antigen or CCL3 alone. The genes most significantly up-regulated by FcepsilonRI-CCR1 costimulation were Ccl7, Rgs1, Emp1 and RT1-S3. CCL7 protein was also expressed at higher levels 24h after dual receptor activation, although RGS1, EMP1 and RT1-S3 were not. Of the panel of chemokines and cytokines tested, only CCL2, CCL7 and interleukin (IL)-6 were expressed at higher levels following costimulation. IL-6 expression was seen only after FcepsilonRI-CCR1 costimulation, although the amount expressed was very low. CCL7, CCL2 and IL-6 might play roles in mast cell regulation of late-phase allergic responses.



Gene Ontology Annotations    Click to see Annotation Detail View

Biological Process

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
Il6Ratlymphocyte costimulation  IEP  RGD 

Objects Annotated

Genes (Rattus norvegicus)
Il6  (interleukin 6)


Additional Information