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CHD3 gene
URL of this page: https://medlineplus.gov/genetics/gene/chd3/

CHD3 gene

chromodomain helicase DNA binding protein 3

Normal Function

The CHD3 gene provides instructions for making a protein that regulates gene activity (expression) by a process known as chromatin remodeling. Chromatin is the complex of DNA and protein that packages DNA into chromosomes. The structure of chromatin can be changed (remodeled) to alter how tightly DNA is packaged. When DNA is tightly packed, gene expression is lower than when DNA is loosely packed. Chromatin remodeling is one way gene expression is regulated during development. The CHD3 protein helps with chromatin remodeling by moving components called nucleosomes, that help bundle DNA in a tight package. Moving nucleosomes helps make DNA more accessible for gene expression. The CHD3 protein provides energy for this remodeling by breaking down a molecule called ATP.

Through its ability to regulate gene activity, the CHD3 protein is involved in many processes during development, including maintenance of the structure and integrity of DNA, the maturation process that determines the type of cell an immature cell will ultimately become (cell fate determination), and the growth of cells as they progress through the step-by-step process they take to replicate themselves (the cell cycle).

Health Conditions Related to Genetic Changes

Snijders Blok-Campeau syndrome

More than 25 mutations in the CHD3 gene have been found to cause Snijders Blok-Campeau syndrome. This condition is characterized by intellectual disability, developmental delay, speech delay, and distinctive facial features.

Most CHD3 gene mutations change single protein building blocks (amino acids) in the CHD3 protein. The majority of mutations alter an area of the protein that is involved in breaking down ATP to provide the energy for chromatin remodeling. CHD3 gene mutations can either increase or decrease the protein's chromatin remodeling activity. These changes seem to affect the activity of genes that direct the development of many different organs and tissues before birth. It is unclear how increased and decreased protein function both lead to the signs and symptoms of Snijders Blok-Campeau syndrome.

More About This Health Condition

Other Names for This Gene

  • Mi-2a
  • Mi2-ALPHA

Additional Information & Resources

Tests Listed in the Genetic Testing Registry

  • Tests of CHD3 From the National Institutes of Health

Scientific Articles on PubMed

  • PubMed From the National Institutes of Health

Catalog of Genes and Diseases from OMIM

  • CHROMODOMAIN HELICASE DNA-BINDING PROTEIN 3; CHD3

Gene and Variant Databases

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

References

  • Rodriguez-Castaneda F, Lemma RB, Cuervo I, Bengtsen M, Moen LM, Ledsaak M, Eskeland R, Gabrielsen OS. The SUMO protease SENP1 and the chromatin remodeler CHD3 interact and jointly affect chromatin accessibility and gene expression. J Biol Chem. 2018 Oct 5;293(40):15439-15454. doi: 10.1074/jbc.RA118.002844. Epub 2018 Aug 6. Citation on PubMed or Free article on PubMed Central
  • Snijders Blok L, Rousseau J, Twist J, Ehresmann S, Takaku M, Venselaar H, Rodan LH, Nowak CB, Douglas J, Swoboda KJ, Steeves MA, Sahai I, Stumpel CTRM, Stegmann APA, Wheeler P, Willing M, Fiala E, Kochhar A, Gibson WT, Cohen ASA, Agbahovbe R, Innes AM, Au PYB, Rankin J, Anderson IJ, Skinner SA, Louie RJ, Warren HE, Afenjar A, Keren B, Nava C, Buratti J, Isapof A, Rodriguez D, Lewandowski R, Propst J, van Essen T, Choi M, Lee S, Chae JH, Price S, Schnur RE, Douglas G, Wentzensen IM, Zweier C, Reis A, Bialer MG, Moore C, Koopmans M, Brilstra EH, Monroe GR, van Gassen KLI, van Binsbergen E, Newbury-Ecob R, Bownass L, Bader I, Mayr JA, Wortmann SB, Jakielski KJ, Strand EA, Kloth K, Bierhals T; DDD study; Roberts JD, Petrovich RM, Machida S, Kurumizaka H, Lelieveld S, Pfundt R, Jansen S, Deriziotis P, Faivre L, Thevenon J, Assoum M, Shriberg L, Kleefstra T, Brunner HG, Wade PA, Fisher SE, Campeau PM. CHD3 helicase domain mutations cause a neurodevelopmental syndrome with macrocephaly and impaired speech and language. Nat Commun. 2018 Nov 5;9(1):4619. doi: 10.1038/s41467-018-06014-6. Citation on PubMed or Free article on PubMed Central
  • Torchy MP, Hamiche A, Klaholz BP. Structure and function insights into the NuRD chromatin remodeling complex. Cell Mol Life Sci. 2015 Jul;72(13):2491-507. doi: 10.1007/s00018-015-1880-8. Epub 2015 Mar 22. Citation on PubMed
DNA helix

Genomic Location

The CHD3 gene is found on chromosome 17.

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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