TGFBI

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An Error has occurred retrieving Wikidata item for infobox Transforming growth factor, beta-induced, 68kDa, also known as TGFBI (initially called BIGH3, BIG-H3), is a protein which in humans is encoded by the TGFBI gene, locus 5q31.[1][2]

Function

This gene encodes an RGD-containing protein that binds to type I, II and IV collagens. The RGD motif is found in many extracellular matrix proteins modulating cell adhesion and serves as a ligand recognition sequence for several integrins. This protein plays a role in cell-collagen interactions and may be involved in endochondrial bone formation in cartilage. The protein is induced by transforming growth factor-beta and acts to inhibit cell adhesion.[1]

Clinical significance

Mutations of the gene cause several forms of corneal dystrophies.[3][4]

File:Mutated transforming growth factor beta induced protein in the superficial corneal stroma.jpg
Reis-Bücklers corneal dystrophy. Light microscopy of cornea showing characteristic red stained deposits of mutated TGFBI protein in the superficial corneal stroma. Masson's trichrome stain.

References

  1. 1.0 1.1 "Entrez Gene: TGFBI transforming growth factor, beta-induced, 68kDa".
  2. Munier FL, Korvatska E, Djemaï A, Le Paslier D, Zografos L, Pescia G, Schorderet DF (March 1997). "Kerato-epithelin mutations in four 5q31-linked corneal dystrophies". Nat. Genet. 15 (3): 247–51. doi:10.1038/ng0397-247. PMID 9054935. S2CID 19284412.
  3. Korvatska E, Munier FL, Djemaï A, Wang MX, Frueh B, Chiou AG, Uffer S, Ballestrazzi E, Braunstein RE, Forster RK, Culbertson WW, Boman H, Zografos L, Schorderet DF (February 1998). "Mutation hot spots in 5q31-linked corneal dystrophies". Am. J. Hum. Genet. 62 (2): 320–4. doi:10.1086/301720. PMC 1376896. PMID 9463327.
  4. Klintworth GK (2009). "Corneal dystrophies". Orphanet J Rare Dis. 4 (1): 7. doi:10.1186/1750-1172-4-7. PMC 2695576. PMID 19236704.

Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.