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Guo, L. OFD1 Gene. Encyclopedia. Available online: https://encyclopedia.pub/entry/5403 (accessed on 29 March 2024).
Guo L. OFD1 Gene. Encyclopedia. Available at: https://encyclopedia.pub/entry/5403. Accessed March 29, 2024.
Guo, Lily. "OFD1 Gene" Encyclopedia, https://encyclopedia.pub/entry/5403 (accessed March 29, 2024).
Guo, L. (2020, December 24). OFD1 Gene. In Encyclopedia. https://encyclopedia.pub/entry/5403
Guo, Lily. "OFD1 Gene." Encyclopedia. Web. 24 December, 2020.
OFD1 Gene
Edit

OFD1, centriole and centriolar satellite protein

genes

1. Introduction

The OFD1 gene provides instructions for making a protein whose function is not fully understood. It appears to play a critical role in the early development of many parts of the body, including the brain, face, limbs, and kidneys.

The OFD1 protein is located at the base of cilia, which are finger-like projections that stick out from the surface of cells. Cilia are involved in cell movement and in many different chemical signaling pathways. They play important roles in the development and function of many parts of the body. Researchers suspect that the OFD1 protein is essential for the normal formation of cilia.

Studies suggest that the OFD1 protein may have additional functions. In the earliest stages of development, it appears to be involved in determining the left-right axis (the imaginary line that separates the left and right sides of the body). The OFD1 protein is also found in the nucleus, although its function in this cell structure is unknown.

2. Health Conditions Related to Genetic Changes

2.1. Oral-facial-digital syndrome

About 100 mutations in the OFD1 gene have been found in people with oral-facial-digital syndrome type I, which is the most common form of the disorder. These mutations include changes in single DNA building blocks (base pairs) and larger deletions of genetic material from the OFD1 gene. Most of these genetic changes lead to the production of an abnormally short, nonfunctional version of the OFD1 protein. It is unclear how a shortage of functional OFD1 protein leads to the specific features of oral-facial-digital syndrome type I. However, studies suggest that a lack of this protein prevents the normal formation of cilia, which affects the development of many tissues and organs.

2.2. Other disorders

Mutations in the OFD1 gene can also cause several other disorders with features that overlap with those of oral-facial-digital syndrome. At least two mutations have been identified in people with Joubert syndrome. This disorder is characterized by particular brain abnormalities, weak muscle tone (hypotonia), delayed development, unusual eye movements, and breathing problems. Another OFD1 gene mutation has been found in a family with a form of X-linked intellectual disability. Affected individuals have had severe intellectual disability, an unusually large head size (macrocephaly), and breathing problems.

The OFD1 mutations responsible for Joubert syndrome and X-linked intellectual disability lead to the production of an abnormally short version of the OFD1 protein. However, studies suggest that these mutations result in a somewhat longer protein than the mutations that cause oral-facial-digital syndrome. This protein may retain some of its usual function in cilia. The abnormal protein probably disrupts the development or function of cilia in some way, although it is unclear how these changes result in the signs and symptoms of Joubert syndrome or X-linked intellectual disability.

3. ther Names for This Gene

  • 71-7A
  • CXorf5
  • JBTS10
  • MGC117039
  • MGC117040
  • OFD1_HUMAN
  • oral-facial-digital syndrome 1
  • SGBS2

References

  1. Bisschoff IJ, Zeschnigk C, Horn D, Wellek B, Rieß A, Wessels M, Willems P,Jensen P, Busche A, Bekkebraten J, Chopra M, Hove HD, Evers C, Heimdal K, Kaiser AS, Kunstmann E, Robinson KL, Linné M, Martin P, McGrath J, Pradel W, PrescottKE, Roesler B, Rudolf G, Siebers-Renelt U, Tyshchenko N, Wieczorek D, Wolff G,Dobyns WB, Morris-Rosendahl DJ. Novel mutations including deletions of the entireOFD1 gene in 30 families with type 1 orofaciodigital syndrome: a study of theextensive clinical variability. Hum Mutat. 2013 Jan;34(1):237-47. doi:10.1002/humu.22224.
  2. Budny B, Chen W, Omran H, Fliegauf M, Tzschach A, Wisniewska M, Jensen LR,Raynaud M, Shoichet SA, Badura M, Lenzner S, Latos-Bielenska A, Ropers HH. Anovel X-linked recessive mental retardation syndrome comprising macrocephaly and ciliary dysfunction is allelic to oral-facial-digital type I syndrome. Hum Genet.2006 Sep;120(2):171-8.
  3. Coene KL, Roepman R, Doherty D, Afroze B, Kroes HY, Letteboer SJ, Ngu LH,Budny B, van Wijk E, Gorden NT, Azhimi M, Thauvin-Robinet C, Veltman JA, Boink M,Kleefstra T, Cremers FP, van Bokhoven H, de Brouwer AP. OFD1 is mutated inX-linked Joubert syndrome and interacts with LCA5-encoded lebercilin. Am J HumGenet. 2009 Oct;85(4):465-81. doi: 10.1016/j.ajhg.2009.09.002.
  4. Ferrante MI, Giorgio G, Feather SA, Bulfone A, Wright V, Ghiani M, SelicorniA, Gammaro L, Scolari F, Woolf AS, Sylvie O, Bernard L, Malcolm S, Winter R,Ballabio A, Franco B. Identification of the gene for oral-facial-digital type Isyndrome. Am J Hum Genet. 2001 Mar;68(3):569-76.
  5. Ferrante MI, Zullo A, Barra A, Bimonte S, Messaddeq N, Studer M, Dollé P,Franco B. Oral-facial-digital type I protein is required for primary ciliaformation and left-right axis specification. Nat Genet. 2006 Jan;38(1):112-7.
  6. Giorgio G, Alfieri M, Prattichizzo C, Zullo A, Cairo S, Franco B. Functionalcharacterization of the OFD1 protein reveals a nuclear localization and physical interaction with subunits of a chromatin remodeling complex. Mol Biol Cell. 2007 Nov;18(11):4397-404.
  7. Macca M, Franco B. The molecular basis of oral-facial-digital syndrome, type1. Am J Med Genet C Semin Med Genet. 2009 Nov 15;151C(4):318-25. doi:10.1002/ajmg.c.30224. Review.
  8. Prattichizzo C, Macca M, Novelli V, Giorgio G, Barra A, Franco B;Oral-Facial-Digital Type I (OFDI) Collaborative Group. Mutational spectrum of theoral-facial-digital type I syndrome: a study on a large collection of patients.Hum Mutat. 2008 Oct;29(10):1237-46. doi: 10.1002/humu.20792.
  9. Romio L, Fry AM, Winyard PJ, Malcolm S, Woolf AS, Feather SA. OFD1 is acentrosomal/basal body protein expressed during mesenchymal-epithelial transitionin human nephrogenesis. J Am Soc Nephrol. 2004 Oct;15(10):2556-68.
  10. Thauvin-Robinet C, Cossée M, Cormier-Daire V, Van Maldergem L, Toutain A,Alembik Y, Bieth E, Layet V, Parent P, David A, Goldenberg A, Mortier G, Héron D,Sagot P, Bouvier AM, Huet F, Cusin V, Donzel A, Devys D, Teyssier JR, Faivre L.Clinical, molecular, and genotype-phenotype correlation studies from 25 cases of oral-facial-digital syndrome type 1: a French and Belgian collaborative study. J Med Genet. 2006 Jan;43(1):54-61.
  11. Thauvin-Robinet C, Franco B, Saugier-Veber P, Aral B, Gigot N, Donzel A, VanMaldergem L, Bieth E, Layet V, Mathieu M, Teebi A, Lespinasse J, Callier P,Mugneret F, Masurel-Paulet A, Gautier E, Huet F, Teyssier JR, Tosi M, Frébourg T,Faivre L. Genomic deletions of OFD1 account for 23% of oral-facial-digital type 1syndrome after negative DNA sequencing. Hum Mutat. 2009 Feb;30(2):E320-9. doi:10.1002/humu.20888.
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