Keratin 18

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Identifiers
Aliases
External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

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RefSeq (protein)

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Location (UCSC)n/an/a
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Keratin 18 is a type I cytokeratin. It is, together with its filament partner keratin 8, perhaps the most commonly found products of the intermediate filament gene family. They are expressed in single layer epithelial tissues of the body. Mutations in this gene have been linked to cryptogenic cirrhosis. Two transcript variants encoding the same protein have been found for this gene.[1]

Keratin 18 is often used together with keratin 8 and keratin 19 to differentiate cells of epithelial origin from hematopoietic cells in tests that enumerate circulating tumor cells in blood.[2]

Interactions

Keratin 18 has been shown to interact with Collagen, type XVII, alpha 1,[3] DNAJB6,[4] Pinin[5] and TRADD.[6]

References

  1. "Entrez Gene: KRT18 keratin 18".<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. W. Jeffrey Allard; Jeri Matera; M. Craig Miller; et al. (October 2004). "Tumor Cells Circulate in the Peripheral Blood of All Major Carcinomas but not in Healthy Subjects or Patients With Nonmalignant Diseases". Clin. Cancer Research. 10 (20): 6897–6904. doi:10.1158/1078-0432.CCR-04-0378. PMID 15501967.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. Aho, S; Uitto J (March 1999). "180-kD bullous pemphigoid antigen/type XVII collagen: tissue-specific expression and molecular interactions with keratin 18". J. Cell. Biochem. UNITED STATES. 72 (3): 356–67. doi:10.1002/(SICI)1097-4644(19990301)72:3<356::AID-JCB5>3.0.CO;2-M. ISSN 0730-2312. PMID 10022517.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. Izawa, I; Nishizawa M; Ohtakara K; Ohtsuka K; Inada H; Inagaki M (November 2000). "Identification of Mrj, a DnaJ/Hsp40 family protein, as a keratin 8/18 filament regulatory protein". J. Biol. Chem. UNITED STATES. 275 (44): 34521–7. doi:10.1074/jbc.M003492200. ISSN 0021-9258. PMID 10954706.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. Shi, J; Sugrue S P (May 2000). "Dissection of protein linkage between keratins and pinin, a protein with dual location at desmosome-intermediate filament complex and in the nucleus". J. Biol. Chem. UNITED STATES. 275 (20): 14910–5. doi:10.1074/jbc.275.20.14910. ISSN 0021-9258. PMID 10809736.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  6. Inada, H; Izawa I; Nishizawa M; Fujita E; Kiyono T; Takahashi T; Momoi T; Inagaki M (October 2001). "Keratin attenuates tumor necrosis factor-induced cytotoxicity through association with TRADD". J. Cell Biol. United States. 155 (3): 415–26. doi:10.1083/jcb.200103078. ISSN 0021-9525. PMC 2150850. PMID 11684708.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

Further reading

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