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SKIC2 gene
URL of this page: https://medlineplus.gov/genetics/gene/skic2/

SKIC2 gene

SKI2 subunit of superkiller complex

Normal Function

The SKIC2 gene provides instructions for making a protein whose function has not been confirmed. Based on its similarity to a protein in other organisms, researchers speculate that the SKIC2 protein acts as part of a group of proteins called the SKI complex. This complex is thought to be necessary for the function of another large protein complex known as the cytosolic exosome. Within cells, the cytosolic exosome helps to recognize and break down excess or abnormal messenger RNA (mRNA) molecules. mRNA is a chemical cousin of DNA that serves as the genetic blueprint for protein production. Studies suggest that the cytosolic exosome's role in getting rid of excess and abnormal mRNA is important for cell growth.

Health Conditions Related to Genetic Changes

Trichohepatoenteric syndrome

Variants (also called mutations) in the SKIC2 gene have been found to cause trichohepatoenteric syndrome, a rare condition that affects many parts of the body. Its major signs and symptoms include chronic diarrhea starting in infancy, hair abnormalities, distinctive facial features, and liver disease. Variants in this gene likely eliminate the function of the SKIC2 protein. Researchers hypothesize that a loss of this protein's function impairs the activity of the SKI complex and the cytosolic exosome. However, it is unknown how these changes could lead to chronic diarrhea and the other features of trichohepatoenteric syndrome.

More About This Health Condition

Other Names for This Gene

  • helicase SKI2W
  • SKI2
  • SKI2 homolog, superkiller viralicidic activity 2-like
  • SKI2W
  • SKIV2
  • SKIV2L
  • SKIV2L1
  • THES2

Additional Information & Resources

Tests Listed in the Genetic Testing Registry

  • Tests of SKIC2 From the National Institutes of Health

Scientific Articles on PubMed

  • PubMed From the National Institutes of Health

Catalog of Genes and Diseases from OMIM

  • SKI2 SUBUNIT OF SUPERKILLER COMPLEX; SKIC2

Gene and Variant Databases

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

References

  • Fabre A, Charroux B, Martinez-Vinson C, Roquelaure B, Odul E, Sayar E, Smith H, Colomb V, Andre N, Hugot JP, Goulet O, Lacoste C, Sarles J, Royet J, Levy N, Badens C. SKIV2L mutations cause syndromic diarrhea, or trichohepatoenteric syndrome. Am J Hum Genet. 2012 Apr 6;90(4):689-92. doi: 10.1016/j.ajhg.2012.02.009. Epub 2012 Mar 22. Citation on PubMed or Free article on PubMed Central
  • Fabre A, Martinez-Vinson C, Goulet O, Badens C. Syndromic diarrhea/Tricho-hepato-enteric syndrome. Orphanet J Rare Dis. 2013 Jan 9;8:5. doi: 10.1186/1750-1172-8-5. Citation on PubMed or Free article on PubMed Central
  • van Dijk EL, Schilders G, Pruijn GJ. Human cell growth requires a functional cytoplasmic exosome, which is involved in various mRNA decay pathways. RNA. 2007 Jul;13(7):1027-35. doi: 10.1261/rna.575107. Epub 2007 Jun 1. Citation on PubMed or Free article on PubMed Central
DNA helix

Genomic Location

The SKIC2 gene is found on chromosome 6.

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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The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.

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