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CCBE1 gene
URL of this page: https://medlineplus.gov/genetics/gene/ccbe1/

CCBE1 gene

collagen and calcium binding EGF domains 1

Normal Function

The CCBE1 gene provides instructions for making a protein that is found in the lattice of proteins and other molecules outside the cell (extracellular matrix). The CCBE1 protein is involved in the formation of the lymphatic system, which consists of a network of vessels that transport lymph fluid and immune cells throughout the body. Specifically, the CCBE1 protein helps guide maturation (differentiation) and movement (migration) of immature cells called lymphangioblasts that will eventually form the lining (epithelium) of lymphatic vessels.

Health Conditions Related to Genetic Changes

Hennekam syndrome

At least 13 mutations in the CCBE1 gene have been found to cause Hennekam syndrome, an inherited disorder resulting from malformation of the lymphatic system. Most CCBE1 gene mutations change single protein building blocks (amino acids) in the CCBE1 protein leading to a change in the three-dimensional shape of the protein. The abnormal protein cannot play its role in the formation of the lymphatic vessel epithelium. A poorly formed lymphatic system leads to lymphatic vessels that are abnormally expanded (lymphangiectasia) and are prone to break open (rupture), puffiness or swelling caused by a buildup of fluid (lymphedema), and other features of Hennekam syndrome. CCBE1 gene mutations account for about 25 percent of all cases of Hennekam syndrome.

More About This Health Condition

Other Names for This Gene

  • collagen and calcium-binding EGF domain-containing protein 1
  • FLJ30681
  • full of fluid protein homolog
  • KIAA1983

Additional Information & Resources

Tests Listed in the Genetic Testing Registry

  • Tests of CCBE1 From the National Institutes of Health

Scientific Articles on PubMed

  • PubMed From the National Institutes of Health

Catalog of Genes and Diseases from OMIM

  • COLLAGEN AND CALCIUM-BINDING EGF DOMAIN-CONTAINING PROTEIN 1; CCBE1

Gene and Variant Databases

  • NCBI Gene From the National Institutes of Health
  • ClinVar From the National Institutes of Health

References

  • Alders M, Hogan BM, Gjini E, Salehi F, Al-Gazali L, Hennekam EA, Holmberg EE, Mannens MM, Mulder MF, Offerhaus GJ, Prescott TE, Schroor EJ, Verheij JB, Witte M, Zwijnenburg PJ, Vikkula M, Schulte-Merker S, Hennekam RC. Mutations in CCBE1 cause generalized lymph vessel dysplasia in humans. Nat Genet. 2009 Dec;41(12):1272-4. doi: 10.1038/ng.484. Citation on PubMed
  • Bos FL, Caunt M, Peterson-Maduro J, Planas-Paz L, Kowalski J, Karpanen T, van Impel A, Tong R, Ernst JA, Korving J, van Es JH, Lammert E, Duckers HJ, Schulte-Merker S. CCBE1 is essential for mammalian lymphatic vascular development and enhances the lymphangiogenic effect of vascular endothelial growth factor-C in vivo. Circ Res. 2011 Aug 19;109(5):486-91. doi: 10.1161/CIRCRESAHA.111.250738. Epub 2011 Jul 21. Citation on PubMed
  • Connell F, Kalidas K, Ostergaard P, Brice G, Homfray T, Roberts L, Bunyan DJ, Mitton S, Mansour S, Mortimer P, Jeffery S; Lymphoedema Consortium. Linkage and sequence analysis indicate that CCBE1 is mutated in recessively inherited generalised lymphatic dysplasia. Hum Genet. 2010 Feb;127(2):231-41. doi: 10.1007/s00439-009-0766-y. Epub 2009 Nov 13. Citation on PubMed
DNA helix

Genomic Location

The CCBE1 gene is found on chromosome 18.

Related Health Topics

  • Genes and Gene Therapy
  • Genetic Disorders

MEDICAL ENCYCLOPEDIA

  • Genes
  • Genetics

Understanding Genetics

  • What is DNA?
  • What is a gene?
  • What is a gene variant and how do variants occur?

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