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IL13RA2

From Wikipedia, the free encyclopedia

IL13RA2
Identifiers
AliasesIL13RA2, CD213A2, CT19, IL-13R, IL13BP, interleukin 13 receptor subunit alpha 2
External IDsOMIM: 300130; MGI: 1277954; GeneCards: IL13RA2
Available structures
PDBOrtholog search: PDBe RCSB
Orthologs
DatabasesNCBI: entry; OMA: entry
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_000640

NM_008356
NM_001306059

RefSeq (protein)

NP_000631

NP_001292988
NP_032382

Location (UCSC)Chr X: 115 – 115.02 MbChr X: 146.17 – 146.21 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Interleukin-13 receptor subunit alpha-2 (IL-13Rα2), also known as CD213A2 (cluster of differentiation 213A2), is a membrane bound protein that in humans is encoded by the IL13RA2 gene.[5]

Function

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IL-13Rα2 is closely related to IL-13Rα1, a subunit of the interleukin-13 receptor complex. This protein binds IL13 with high affinity, but lacks any significant cytoplasmic domain, and does not appear to function as a signal mediator. It is, however, able to regulate the effects of both IL-13 and IL-4, despite the fact it is unable to bind directly to the latter. It is also reported to play a role in the internalization of IL13.[5]

IL-13Rα2 was initially considered a “decoy receptor” because its short intracellular domain and lack of a conventional JAK/STAT signaling motif suggested that it primarily functioned by binding and sequestering IL-13 without initiating downstream signaling. However, subsequent studies have demonstrated that IL-13Rα2 can activate distinct signaling pathways, including AP-1 and TGF-β production. These findings have established a more active role for IL-13Rα2 in cancer biology, where it has been implicated in tumor proliferation, invasion, and metastasis..[6]

Clinical significance

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IL-13Rα2 has been found to be over-expressed in a variety of cancers, including pancreatic, ovarian, melanomas, and malignant gliomas.[7][8][9][10]

See also

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References

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  1. 1 2 3 GRCh38: Ensembl release 89: ENSG00000123496 – Ensembl, May 2017
  2. 1 2 3 GRCm38: Ensembl release 89: ENSMUSG00000031289 – Ensembl, May 2017
  3. ↑ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ↑ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. 1 2 "Entrez Gene: IL13RA2 interleukin 13 receptor, alpha 2".
  6. ↑ Knudson KM, Hwang S, McCann MS, Joshi BH, Husain SR, Puri RK (2022). "Recent Advances in IL-13Rα2-Directed Cancer Immunotherapy". Frontiers in Immunology. 13 878365. doi:10.3389/fimmu.2022.878365. PMC 9023787. PMID 35464460.
  7. ↑ Fujisawa T, Joshi B, Nakajima A, Puri RK (November 2009). "A novel role of interleukin-13 receptor alpha2 in pancreatic cancer invasion and metastasis". Cancer Research. 69 (22): 8678–8685. doi:10.1158/0008-5472.CAN-09-2100. PMID 19887609.
  8. ↑ Kioi M, Kawakami M, Shimamura T, Husain SR, Puri RK (September 2006). "Interleukin-13 receptor alpha2 chain: a potential biomarker and molecular target for ovarian cancer therapy". Cancer. 107 (6): 1407–1418. doi:10.1002/cncr.22134. PMID 16902988. S2CID 70773746.
  9. ↑ Okamoto H, Yoshimatsu Y, Tomizawa T, Kunita A, Takayama R, Morikawa T, et al. (February 2019). "Interleukin-13 receptor α2 is a novel marker and potential therapeutic target for human melanoma". Scientific Reports. 9 (1) 1281. Bibcode:2019NatSR...9.1281O. doi:10.1038/s41598-019-39018-3. PMC 6362032. PMID 30718742.
  10. ↑ Joshi BH, Plautz GE, Puri RK (March 2000). "Interleukin-13 receptor alpha chain: a novel tumor-associated transmembrane protein in primary explants of human malignant gliomas". Cancer Research. 60 (5): 1168–1172. PMID 10728667.

Further reading

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