ERK Pathway in Huntington's Disease (Homo sapiens)

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1Downstream KinasesSignal TransducersDownstream TargetsReceptorsApoptotic MoleculesLigandsTranscription FactorsCREBCASP7TrkBEGFBDNFELK1MSK1GlutamateRASCASP3mGluRMEKEGFRRAF1ERK


This ERK pathway is implicated in Huntington's Disease. The ligands BDNF, EGF, and Glu bind to their respective receptors (TrkB, EGFR, mGluR) and start a signal transduction pathway starting with RAS and RAF1 which lead to the stimulation of MEK Then ERK. ERK promotes function of MSK1 (downstream kinase), ElK1 and CREB (Transcription Factors), and Caspases 3/7 (apoptotic molecules). These downstream targets are implicated in producing the effects of Huntington's Disease at the cellular level. This pathway is based off figure 1 from Bodai et al.

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Ontology Terms



  1. Bodai L, Marsh JL; ''A novel target for Huntington's disease: ERK at the crossroads of signaling. The ERK signaling pathway is implicated in Huntington's disease and its upregulation ameliorates pathology.''; Bioessays, 2012 PubMed


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97672view11:12, 1 June 2018AMTanOntology Term : 'Huntington's disease' added !
89748view23:55, 29 September 2016KhanspersModified title
89643view23:38, 22 September 2016Khanspersupdated xrefs
88611view23:04, 11 August 2016AAR&CoOntology Term : 'Huntington disease pathway' added !
88596view19:45, 11 August 2016Mkutmonfix unconnected lines
87413view11:30, 22 July 2016MkutmonOntology Term : 'disease pathway' added !
87412view11:30, 22 July 2016MkutmonOntology Term : 'signaling pathway' added !
87203view13:50, 19 July 2016AAR&CoModified description
87202view13:43, 19 July 2016AAR&CoModified title
87201view13:43, 19 July 2016AAR&CoNew pathway

External references


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NameTypeDatabase referenceComment
BDNFGeneProductENSG00000176697 (Ensembl)
CASP3GeneProductENSG00000164305 (Ensembl)
CASP7GeneProductENSG00000165806 (Ensembl)
CREBGeneProductENSG00000118260 (Ensembl)
EGFGeneProductENSG00000138798 (Ensembl)
EGFRGeneProductENSG00000146648 (Ensembl)
ELK1GeneProductENSG00000126767 (Ensembl)
ERKGeneProductENSG00000100030 (Ensembl)
GlutamateMetaboliteHMDB00148 (HMDB)
MEKGeneProductENSG00000076984 (Ensembl)
MSK1GeneProductENSG00000100784 (Ensembl)
RAF1GeneProductENSG00000132155 (Ensembl)
RASGeneProductENSG00000174775 (Ensembl)
TrkBGeneProductENSG00000148053 (Ensembl)
mGluRGeneProductENSG00000152822 (Ensembl)

Annotated Interactions

No annotated interactions

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