TNFAIP8L2

TNFAIP8L2
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	3F4M
Identifiers
Aliases	TNFAIP8L2, TIPE2, TNF alpha induced protein 8 like 2
External IDs	OMIM: 612112 MGI: 1917019 HomoloGene: 56998 GeneCards: TNFAIP8L2
Gene location (Human)
Chr.	Chromosome 1 (human)[1]
End	151,159,749 bp[1]
Gene location (Mouse)
Chr.	Chromosome 3 (mouse)[2]
End	95,142,360 bp[2]
Gene ontology
Molecular function	• GO:0001948 protein binding;
Cellular component	• cytoplasm;
Biological process	• innate immune system; • negative regulation of T cell activation; • negative regulation of inflammatory response; • immune system process; • regulation of apoptotic process;
	Sources:Amigo / QuickGO
Orthologs
	79626
	69769
	ENSG00000163154
	ENSMUSG00000013707
	Q6P589
	Q9D8Y7
	NM_024575
	NM_027206
	NP_078851
	NP_081482
	Wikidata
View/Edit Human	View/Edit Mouse

TNF alpha induced protein 8 like 2 (TNFAIP8L2), also known as TIPE2, is a protein that in humans is encoded by the TNFAIP8L2 gene. It is preferentially expressed in human myeloid cell types and serves as an immune checkpoint regulator of inflammation and metabolism.[5]

Function

TNFAIP8L2 is a member of the TNFAIP8 (tumor necrosis factor-α-induced protein 8, or TIPE) family that function as transfer proteins for the second messenger lipids PIP2 and PIP3. The other three family members are TNFAIP8, TNFAIP8L1 and TNFAIP8L3.[6]

Structure

The crystal structure of TIPE2 reveals that it contains a large, hydrophobic central cavity that is poised for cofactor binding.[7]

Clinical significance

TIPE2 acts as a negative regulator of the immune system.[5][8] It is down-regulated in patients with infectious and autoimmune diseases and also acts as a tumor suppressor in several types of cancer.[9] Its knockout leads to leukocytosis and systemic inflammatory disorders in mice.[6][10]

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References

GRCh38: Ensembl release 89: ENSG00000163154 - Ensembl, May 2017
GRCm38: Ensembl release 89: ENSMUSG00000013707 - Ensembl, May 2017
"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
Li T, Wang W, et al. (May 2018). "Genome-wide analysis reveals TNFAIP8L2 as an immune checkpoint regulator of inflammation and metabolism". Molecular Immunology. 99: 154–162. doi:10.1016/j.molimm.2018.05.007. PMC 5995464. PMID 29787979.
Goldsmith JR, Chen YH (June 2017). "Regulation of inflammation and tumorigenesis by the TIPE family of phospholipid transfer proteins". Cellular & Molecular Immunology. 14 (6): 482–487. doi:10.1038/cmi.2017.4. PMC 5719143. PMID 28287114.
Zhang X, Wang J, Fan C, Li H, Sun H, Gong S, Chen YH, Shi Y (January 2009). "Crystal structure of TIPE2 provides insights into immune homeostasis". Nature Structural & Molecular Biology. 16 (1): 89–90. doi:10.1038/nsmb.1522. PMID 19079267.
Sun H, Gong S, et al. (2008). "TIPE2, a negative regulator of innate and adaptive immunity that maintains immune homeostasis". Cell. 133: 415–26. doi:10.1016/j.cell.2008.03.026. PMC 2398615. PMID 18455983.
Li Z, Jia W, Niu J, Zhang L (February 2018). "Understanding the roles of negative immune regulator TIPE2 in different diseases and tumourigenesis". Histology and Histopathology. 33: 11977. doi:10.14670/HH-11-977. PMID 29480508.
Lou Y, Liu S (October 2011). "The TIPE (TNFAIP8) family in inflammation, immunity, and cancer". Molecular Immunology. 49 (1–2): 4–7. doi:10.1016/j.molimm.2011.08.006. PMID 21924498.

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[refGRCh38Ensembl-1] GRCh38: Ensembl release 89: ENSG00000163154 - Ensembl, May 2017

[refGRCm38Ensembl-2] GRCm38: Ensembl release 89: ENSMUSG00000013707 - 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.

[Li_et_al_2018-5] Li T, Wang W, et al. (May 2018). "Genome-wide analysis reveals TNFAIP8L2 as an immune checkpoint regulator of inflammation and metabolism". Molecular Immunology. 99: 154–162. doi:10.1016/j.molimm.2018.05.007. PMC 5995464. PMID 29787979.

[Goldsmith_2017-6] Goldsmith JR, Chen YH (June 2017). "Regulation of inflammation and tumorigenesis by the TIPE family of phospholipid transfer proteins". Cellular & Molecular Immunology. 14 (6): 482–487. doi:10.1038/cmi.2017.4. PMC 5719143. PMID 28287114.

[pmid19079267-7] Zhang X, Wang J, Fan C, Li H, Sun H, Gong S, Chen YH, Shi Y (January 2009). "Crystal structure of TIPE2 provides insights into immune homeostasis". Nature Structural & Molecular Biology. 16 (1): 89–90. doi:10.1038/nsmb.1522. PMID 19079267.

[pmid18455983-8] Sun H, Gong S, et al. (2008). "TIPE2, a negative regulator of innate and adaptive immunity that maintains immune homeostasis". Cell. 133: 415–26. doi:10.1016/j.cell.2008.03.026. PMC 2398615. PMID 18455983.

[Li_2018-9] Li Z, Jia W, Niu J, Zhang L (February 2018). "Understanding the roles of negative immune regulator TIPE2 in different diseases and tumourigenesis". Histology and Histopathology. 33: 11977. doi:10.14670/HH-11-977. PMID 29480508.

[Lou_2011-10] Lou Y, Liu S (October 2011). "The TIPE (TNFAIP8) family in inflammation, immunity, and cancer". Molecular Immunology. 49 (1–2): 4–7. doi:10.1016/j.molimm.2011.08.006. PMID 21924498.