FGFR3 signaling in chondrocyte proliferation and terminal differentiation (Homo sapiens)

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1, 2Produced by prehypertrophicand hypertrophic chondrocytes Hypertrophic chondrocytesPre-hypertrophic chondrocytesEndochondral ossificationPerichondrium/periosteumChondrocyte differentiationReserve chondrocytesWntAutophagySNAI1CNPMAPK12FGFR33,3',5'-TriiodothyronineFGF18STAT1FGF9PTH1RMAPK11PTHLHTHRAMAPK13BMP2RAF1IHHATG5NPR2MAPK14PTH1RProliferating chondrocytesBMP4Chondrodysplasia,Blomstrand typeEiken syndromeMetaphyseal chondrodysplasia,Murk Jansen typeThanatophoric dysplasia, type IThanatophoric dysplasia, type IISADDANAchondroplasiaHypochondroplasiaCATSHL syndromeBrachydactyly, type E2Multiple synostoses syndrome 3Acrocapitofemoral dysplasiaBrachydactyly, type A2OMIM:602875Acromesomelic dysplasia, Maroteaux typeSOX9RBL1CDKN1ARBL1PPPPPPP2CAChondrocyte proliferationCrouzon syndrome withacanthosis nigricansMuenke syndromeLADD syndromeChondrodysplasia,Blomstrand typeEiken syndromeMetaphyseal chondrodysplasia,Murk Jansen typeOMIM:615923Epiphyseal chondrodysplasia, Miura typeBrachydactyly, type A1Syndactyly Lueken typeMAP2K1MAP2K2MAPK1MAPK3


Description

Taken from Achondroplasia: Development, Pathenogenesis, and Therapy by Ornitz DM, Legeai-Mallet L [1].

Signaling pathways in the postnatal growth plate. During endochondral bone development, FGF9 and FGF18, derived from the perichondrium and surrounding tissue, signal to FGFR3 in chondrocytes. The balance of chondrocyte proliferation and differentiation is controlled by crosstalk of several signaling pathways. Expression of FGFR3 is enhanced by thyroid hormone (T3/3,3',5'-Triiodothyronine) and suppressed by PTHLH (member of the parathyroid hormone family). FGFR3 signaling results in increased expression of Snail1 (encoded by SNAI1), which is required for activation of STAT1 and MAPK signaling (ERK1/2 and p38 branches). Signaling from PTHLH, IHH and BMPs antagonizes the suppression of chondrocyte proliferation by FGFR3. Both FGFR3 and PTHLH function to suppress chondrocyte differentiation and antagonize the action of Wnt signaling, which promotes differentiation. FGFR3 negatively regulates the autophagy protein, ATG5. Activation of downstream signals: PP2a (encoded by PPP2CA) regulates p107 (encoded by RBL1) activation, and STAT1 regulates p21Waf1/Cip1 (encoded by CKDN1A) activation. Both function to suppress chondrocyte proliferation. Activation of the MAPKs, ERK1, and ERK2, regulate Sox9 expression, which functions to suppress chondrocyte terminal differentiation and endochondral ossification.

Linked with a dotted arrow to the GeneProduct nodes are diseases caused by mutation in the respective gene.

Protein phosphorylation sites were added based on information from PhosphoSitePlus (R), www.phosphosite.org.

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Bibliography

  1. Hornbeck PV, Zhang B, Murray B, Kornhauser JM, Latham V, Skrzypek E; ''PhosphoSitePlus, 2014: mutations, PTMs and recalibrations.''; Nucleic Acids Res, 2015 PubMed Europe PMC Scholia
  2. Ornitz DM, Legeai-Mallet L; ''Achondroplasia: Development, pathogenesis, and therapy.''; Dev Dyn, 2017 PubMed Europe PMC Scholia

History

View all...
CompareRevisionActionTimeUserComment
128255view00:10, 30 January 2024EweitzRemove OMIM IDs from shown label, keep in comments as in all other disease nodes
128251view00:06, 30 January 2024EweitzSoften disease color
128250view00:02, 30 January 2024EweitzOntology Term : 'chondrocyte' added !
127270view23:49, 31 August 2023Khanspersfixed phospho sites
116441view09:44, 7 May 2021EweitzModified title
112165view18:32, 29 September 2020Khanspersfixed ptm state comments
110277view07:08, 2 May 2020EgonwNot a mim-conversion
110263view15:32, 30 April 2020EgonwNot a mim-conversion
110236view15:12, 29 April 2020EgonwNot a mim-conversion
109131view06:31, 18 February 2020RleeFixed unconnected line.
108991view00:07, 13 February 2020Khanspersdecreased BoardHeight
108990view00:07, 13 February 2020Khanspersdecreased BoardHeight
108989view00:06, 13 February 2020Khanspersdecreased BoardHeight and BoardWidth
108988view00:05, 13 February 2020Khanspersdecreased BoardHeight
108768view01:56, 29 January 2020RleeRemoved extra DataNode
108767view01:54, 29 January 2020RleeModified description
108766view01:53, 29 January 2020RleeAdded ERK1/2 branch of MAPK pathway
108739view10:56, 27 January 2020DeSlModified description
108738view10:56, 27 January 2020DeSlOntology Term : 'parathyroid hormone signaling pathway' added !
108737view10:55, 27 January 2020DeSlOntology Term : 'thyroid hormone signaling pathway' added !
108736view10:54, 27 January 2020DeSlOntology Term : 'fibroblast growth factor signaling pathway' added !
108735view10:53, 27 January 2020DeSlOntology Term : 'Muenke Syndrome' added !
108734view10:48, 27 January 2020DeSlModified description
108733view10:36, 27 January 2020DeSlModified description
108732view10:33, 27 January 2020DeSlConverted arrows to graphical lines for disease connectivity.
108643view23:09, 14 January 2020RleeFixed unconnected line.
108622view23:44, 12 January 2020RleeModified description
108621view23:40, 12 January 2020RleeModified title
108620view23:40, 12 January 2020RleeNew pathway

External references

DataNodes

View all...
NameTypeDatabase referenceComment
3,3',5'-TriiodothyronineMetaboliteCHEBI:11684 (ChEBI)
ATG5GeneProductENSG00000057663 (Ensembl)
BMP2GeneProductENSG00000125845 (Ensembl)
BMP4GeneProductENSG00000125378 (Ensembl)
CDKN1AGeneProductENSG00000124762 (Ensembl)
CNPGeneProductENSG00000173786 (Ensembl)
FGF18GeneProductENSG00000156427 (Ensembl)
FGF9GeneProductENSG00000102678 (Ensembl)
FGFR3GeneProductENSG00000068078 (Ensembl)
IHHGeneProductENSG00000163501 (Ensembl)
MAP2K1GeneProductENSG00000169032 (Ensembl)
MAP2K2GeneProductENSG00000126934 (Ensembl)
MAPK11GeneProductENSG00000185386 (Ensembl)
MAPK12GeneProductENSG00000188130 (Ensembl)
MAPK13GeneProductENSG00000156711 (Ensembl)
MAPK14GeneProductENSG00000112062 (Ensembl)
MAPK1GeneProductENSG00000100030 (Ensembl)
MAPK3GeneProductENSG00000102882 (Ensembl)
NPR2GeneProductENSG00000159899 (Ensembl)
PPP2CAGeneProductENSG00000113575 (Ensembl)
PTH1RGeneProductENSG00000160801 (Ensembl)
PTHLHGeneProductENSG00000087494 (Ensembl)
RAF1GeneProductENSG00000132155 (Ensembl)
RBL1GeneProductENSG00000080839 (Ensembl)
SNAI1GeneProductENSG00000124216 (Ensembl)
SOX9GeneProductENSG00000125398 (Ensembl)
STAT1GeneProductENSG00000115415 (Ensembl)
THRAGeneProductENSG00000126351 (Ensembl)

Annotated Interactions

No annotated interactions

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