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KMID : 1146120160020020046
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Journal of Mucopolysaccharidosis and Rare Diseases
2016 Volume.2 No. 2 p.46 ~ p.49
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Fibroblast Growth Factor Receptor 3 (FGFR3) Signaling in Achondroplasia
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Park Sung-Won
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Abstract
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Achondroplasia is autosomal dominant genetic disease and fibroblast growth factor receptor 3 (FGFR3) is currently known to be the only gene that causes achondroplasia. Gain-of function mutation in fibroblast-growth-factor-receptor 3 (FGFR3) causes the disease and C-type natriuretic peptide (CNP) antagonizes FGFR3 downstream signaling by inhibiting the pathway of mitogen-activated protein kinase (MAPK). As FGFR3-related skeletal dysplasias are caused by growth attenuation of the cartilage, chondrocytes appear to be unique in their response to FGFR3 activation. However, the full spectrum of molecular events by which FGFR3 mediates its signaling is just beginning to emerge. This article summaries the mechanisms of FGFR3 function in skeletal dysplasias, the extraordinary cellular manifestations of FGFR3 signaling in chondrocytes, and finally, the progress toward therapy for ACH.
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KEYWORD
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Fibroblast-growth-factor-receptor 3, C-type natriuretic peptide, Mitogen-activated protein kinase, Achondroplasia
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