catenin delta 1
Last updated 18 Aug 2020
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The CTNND1 gene provides instructions for making a protein called p120-catenin, also known as delta 1 catenin. This protein and others in the catenin family interact with proteins from another family called cadherins. Catenins and cadherins form protein complexes that help cells stick to neighboring cells (cell adhesion) to form organized tissues. In addition to their role in cell adhesion, catenin and cadherin interactions help transmit chemical signals within cells, control cell maturation and movement, and regulate the activity of certain genes.
Normal function
The CTNND1 gene provides instructions for making a protein called p120-catenin, also known as delta 1 catenin. This protein and others in the catenin family interact with proteins from another family called cadherins. Catenins and cadherins form protein complexes that help cells stick to neighboring cells (cell adhesion) to form organized tissues. In addition to their role in cell adhesion, catenin and cadherin interactions help transmit chemical signals within cells, control cell maturation and movement, and regulate the activity of certain genes.
The p120-catenin protein interacts with a protein called E-cadherin, which is produced from the CDH1 gene. The E-cadherin protein is found within the membrane that surrounds epithelial cells, which are the cells that line the surfaces and cavities of the body, including the inside of the eyelids and the mouth. The p120-catenin protein helps keep E-cadherin in its proper place in the cell membrane, preventing it from being taken into the cell through a process called endocytosis and broken down prematurely. Interactions between the two proteins are also important for other cell processes that are involved in the development of the head and face (craniofacial development), including the eyelids and teeth.
Conditions referring to this gene or chromosome
Other names
cadherin-associated Src substrate
CAS
catenin (cadherin-associated protein), delta 1
CTNND
delta catenin
KIAA0384
p120
p120 catenin
p120(CAS)
p120(CTN)
P120CAS
P120CTN
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Further reading and references
- catenin delta 1; MedlinePlus, National Library of Medicine.
- Ghoumid J, Stichelbout M, Jourdain AS, Frenois F, Lejeune-Dumoulin S, Alex-Cordier MP, Lebrun M, Guerreschi P, Duquennoy-Martinot V, Vinchon M, Ferri J, Jung M, Vicaire S, Vanlerberghe C, Escande F, Petit F, Manouvrier-Hanu S. Blepharocheilodontic syndrome is a CDH1 pathway-related disorder due to mutations in CDH1 and CTNND1. Genet Med. 2017 Sep;19(9):1013-1021. doi: 10.1038/gim.2017.11. Epub 2017 Mar 16.
- Gooding JM, Yap KL, Ikura M. The cadherin-catenin complex as a focal point of cell adhesion and signalling: new insights from three-dimensional structures. Bioessays. 2004 May;26(5):497-511. doi: 10.1002/bies.20033.
- Ishiyama N, Lee SH, Liu S, Li GY, Smith MJ, Reichardt LF, Ikura M. Dynamic and static interactions between p120 catenin and E-cadherin regulate the stability of cell-cell adhesion. Cell. 2010 Apr 2;141(1):117-28. doi: 10.1016/j.cell.2010.01.017.
- Kourtidis A, Ngok SP, Anastasiadis PZ. p120 catenin: an essential regulator of cadherin stability, adhesion-induced signaling, and cancer progression. Prog Mol Biol Transl Sci. 2013;116:409-32. doi: 10.1016/B978-0-12-394311-8.00018-2.
- Schackmann RC, Tenhagen M, van de Ven RA, Derksen PW. p120-catenin in cancer - mechanisms, models and opportunities for intervention. J Cell Sci. 2013 Aug 15;126(Pt 16):3515-25. doi: 10.1242/jcs.134411.
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