Interleukin 20

IL20
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
Aliases IL20, IL-20, IL10D, ZCYTO10, Interleukin 20
External IDs MGI: 1890473 HomoloGene: 10286 GeneCards: IL20
Orthologs
Species Human Mouse
Entrez

50604

58181

Ensembl

ENSG00000162891

ENSMUSG00000026416

UniProt

Q9NYY1

Q9JKV9

RefSeq (mRNA)

NM_018724

NM_021380
NM_001311091

RefSeq (protein)

NP_061194.2

NP_001298020.1
NP_067355.1

Location (UCSC) Chr 1: 206.87 – 206.87 Mb Chr 1: 130.91 – 130.91 Mb
PubMed search [1] [2]
Wikidata
View/Edit HumanView/Edit Mouse

Interleukin 20 (IL20) is a protein that in humans is encoded by the IL20 gene.[3] Interkeukin 20 also includes other cytokines, including IL-19, IL-20, IL-22, IL-24, and IL-26. Based on common structural and functional properties of IL-20's receptors and target cells, these cytokines constitute the same subfamily, IL-20.[4]

Function

The protein encoded by this gene is a cytokine structurally related to interleukin 10 (IL-10). This cytokine has been shown to transduce its signal through signal transducer and activator of transcription 3 (STAT3) in keratinocytes. A specific receptor for this cytokine is found to be expressed in skin and upregulated dramatically in psoriatic skin, suggesting a role for this protein in epidermal function and psoriasis.[3]

Interleukin-20 (IL-20) is a protein belonging to the IL-10 family of cytokines. IL-20 is produced by activated keratinocytes and monocytes and transmits an intracellular signal through two distinct cell-surface receptor complexes on keratinocytes and other epithelial cells. IL-20 regulates proliferation and differentiation of keratinocytes during inflammation, particularly inflammation associated with the skin. In addition, IL-20 also causes cell expansion of multipotential hematopoietic progenitor cells.[5]

Anti IL-20

Anti-IL-20 monoclonal antibodies have been researched as clinical candidates for the treatment or prevention of psoriasis, rheumatoid arthritis, atherosclerosis, osteoporosis, and stroke.[6][7]

References

  1. ↑ "Human PubMed Reference:".
  2. ↑ "Mouse PubMed Reference:".
  3. 1 2 "Entrez Gene: Interleukin 20".
  4. ↑ Rutz S, Wang X, Ouyang W (Dec 2014). "The IL-20 subfamily of cytokines--from host defence to tissue homeostasis". Nature Reviews. Immunology. 14 (12): 783–95. doi:10.1038/nri3766. PMID 25421700.
  5. ↑ Rich BE, Kupper TS (August 2006). "Interleukin 20". Anti-Inflammatory & Anti-Allergy Agents in Medicinal Chemistry. 5 (3): 243–250. doi:10.2174/187152306778017683.
  6. ↑ Kragstrup TW, Otkjaer K, Holm C, Jørgensen A, Hokland M, Iversen L, Deleuran B (Jan 2008). "The expression of IL-20 and IL-24 and their shared receptors are increased in rheumatoid arthritis and spondyloarthropathy". Cytokine. 41 (1): 16–23. doi:10.1016/j.cyto.2007.10.004. PMID 18061474.
  7. ↑ Hsu YH, Chen WY, Chan CH, Wu CH, Sun ZJ, Chang MS (Aug 2011). "Anti-IL-20 monoclonal antibody inhibits the differentiation of osteoclasts and protects against osteoporotic bone loss". The Journal of Experimental Medicine. 208 (9): 1849–61. doi:10.1084/jem.20102234. PMC 3171097Freely accessible. PMID 21844205.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.


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