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词条 IKBKE
释义

  1. Interactions

  2. Function

  3. Clinical significance

  4. References

  5. Further reading

{{Infobox_gene}}Inhibitor of nuclear factor kappa-B kinase subunit epsilon also known as I-kappa-B kinase epsilon or IKK-epsilon is an enzyme that in humans is encoded by the IKBKE gene.[1][2][3]

Interactions

IKBKE has been shown to interact with TANK.[4]

Function

Serine/threonine kinase that plays an essential role in regulating inflammatory responses to viral infection, through the activation of the type I IFN, NF-kappa-B and STAT signaling. Also involved in TNFA and inflammatory cytokines, like Interleukin-1, signaling. Following activation of viral RNA sensors, such as RIG-I-like receptors, associates with DDX3X and phosphorylates interferon regulatory factors (IRFs), IRF3 and IRF7, as well as DDX3X. This activity allows subsequent homodimerization and nuclear translocation of the IRF3 leading to transcriptional activation of pro-inflammatory and antiviral genes including IFNB. In order to establish such an antiviral state, IKBKE forms several different complexes whose composition depends on the type of cell and cellular stimuli. Thus, several scaffolding molecules including IPS1/MAVS, TANK, AZI2/NAP1 or TBKBP1/SINTBAD (TANK-binding kinase 1-binding protein 1) can be recruited to the IKBKE-containing-complexes. Activated by polyubiquitination in response to TNFA and interleukin-1, regulates the NF-kappa-B signaling pathway through, at least, the phosphorylation of CYLD. Phosphorylates inhibitors of NF-kappa-B thus leading to the dissociation of the inhibitor/NF-kappa-B complex and ultimately the degradation of the inhibitor. In addition, is also required for the induction of a subset of ISGs which displays antiviral activity, may be through the phosphorylation of STAT1 at 'Ser-708'. Phosphorylation of STAT1 at 'Ser-708' seems also to promote the assembly and DNA binding of ISGF3 (STAT1:STAT2:IRF9) complexes compared to GAF (gamma-activation factor) (STAT1:STAT1) complexes, in this way regulating the balance between type I and type II IFN responses. Protects cells against DNA damage-induced cell death. Also plays an important role in energy balance regulation by sustaining a state of chronic, low-grade inflammation in obesity, which leads to a negative impact on insulin sensitivity. Phosphorylates AKT1.[5]

Clinical significance

Inhibition of IκB kinase (IKK) and IKK-related kinases, IKBKE (IKKε) and TANK-binding kinase 1 (TBK1), has been investigated as a therapeutic option for the treatment of inflammatory diseases and cancer.[6]

References

1. ^{{cite journal |vauthors=Shimada T, Kawai T, Takeda K, Matsumoto M, Inoue J, Tatsumi Y, Kanamaru A, Akira S | title = IKK-i, a novel lipopolysaccharide-inducible kinase that is related to IkappaB kinases | journal = Int Immunol | volume = 11 | issue = 8 | pages = 1357–62 |date=September 1999 | pmid = 10421793 | pmc = | doi =10.1093/intimm/11.8.1357 }}
2. ^{{cite journal |vauthors=Peters RT, Liao SM, Maniatis T | title = IKKepsilon is part of a novel PMA-inducible IkappaB kinase complex | journal = Mol Cell | volume = 5 | issue = 3 | pages = 513–22 |date=July 2000 | pmid = 10882136 | pmc = | doi =10.1016/S1097-2765(00)80445-1 }}
3. ^{{cite web | title = Entrez Gene: IKBKE inhibitor of kappa light polypeptide gene enhancer in B-cells, kinase epsilon| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=9641| accessdate = }}
4. ^{{cite journal |vauthors=Nomura F, Kawai T, Nakanishi K, Akira S | title = NF-kappaB activation through IKK-i-dependent I-TRAF/TANK phosphorylation | journal = Genes Cells | volume = 5 | issue = 3 | pages = 191–202 |date=March 2000 | pmid = 10759890 | doi = 10.1046/j.1365-2443.2000.00315.x }}
5. ^{{cite journal|url=https://www.uniprot.org/uniprot/Q14164 |title=Inhibitor of nuclear factor kappa-B kinase subunit epsilon}}
6. ^{{cite journal |vauthors=Llona-Minguez S, Baiget J, Mackay SP | year = 2013 | title = Small-molecule inhibitors of IκB kinase (IKK) and IKK-related kinases | journal = Pharm. Pat. Anal. | volume = 2 | pages = 481–498 | pmid = 24237125 | doi = 10.4155/ppa.13.31 | issue = 4 | url = | issn = }}

Further reading

{{refbegin | 2}}
  • {{cite journal | author=Mercurio AM |title=Invasive skin carcinoma--Ras and alpha6beta4 integrin lead the way. |journal=Cancer Cell |volume=3 |issue= 3 |pages= 201–2 |year= 2003 |pmid= 12676577 |doi=10.1016/S1535-6108(03)00049-7 }}
  • {{cite journal |vauthors=Nagase T, Seki N, Tanaka A, etal |title=Prediction of the coding sequences of unidentified human genes. IV. The coding sequences of 40 new genes (KIAA0121-KIAA0160) deduced by analysis of cDNA clones from human cell line KG-1. |journal=DNA Res. |volume=2 |issue= 4 |pages= 167–74, 199–210 |year= 1996 |pmid= 8590280 |doi=10.1093/dnares/2.4.167 }}
  • {{cite journal |vauthors=Nomura F, Kawai T, Nakanishi K, Akira S |title=NF-kappaB activation through IKK-i-dependent I-TRAF/TANK phosphorylation. |journal=Genes Cells |volume=5 |issue= 3 |pages= 191–202 |year= 2000 |pmid= 10759890 |doi=10.1046/j.1365-2443.2000.00315.x }}
  • {{cite journal |vauthors=Miller BS, Zandi E |title=Complete reconstitution of human IkappaB kinase (IKK) complex in yeast. Assessment of its stoichiometry and the role of IKKgamma on the complex activity in the absence of stimulation. |journal=J. Biol. Chem. |volume=276 |issue= 39 |pages= 36320–6 |year= 2001 |pmid= 11470787 |doi= 10.1074/jbc.M104051200 }}
  • {{cite journal |vauthors=Kishore N, Huynh QK, Mathialagan S, etal |title=IKK-i and TBK-1 are enzymatically distinct from the homologous enzyme IKK-2: comparative analysis of recombinant human IKK-i, TBK-1, and IKK-2. |journal=J. Biol. Chem. |volume=277 |issue= 16 |pages= 13840–7 |year= 2002 |pmid= 11839743 |doi= 10.1074/jbc.M110474200 }}
  • {{cite journal |vauthors=Aupperle KR, Yamanishi Y, Bennett BL, etal |title=Expression and regulation of inducible IkappaB kinase (IKK-i) in human fibroblast-like synoviocytes. |journal=Cell. Immunol. |volume=214 |issue= 1 |pages= 54–9 |year= 2002 |pmid= 11902829 |doi= 10.1006/cimm.2002.1885 }}
  • {{cite journal |vauthors=Bossis G, Salinas S, Cartier C, etal |title=NF-kappaB activation upon interaction of HIV-1 envelope glycoproteins with cell surface CD4 involves IkappaB kinases. |journal=FEBS Lett. |volume=516 |issue= 1-3 |pages= 257–64 |year= 2002 |pmid= 11959143 |doi=10.1016/S0014-5793(02)02566-8 }}
  • {{cite journal |vauthors=Chariot A, Leonardi A, Muller J, etal |title=Association of the adaptor TANK with the I kappa B kinase (IKK) regulator NEMO connects IKK complexes with IKK epsilon and TBK1 kinases. |journal=J. Biol. Chem. |volume=277 |issue= 40 |pages= 37029–36 |year= 2002 |pmid= 12133833 |doi= 10.1074/jbc.M205069200 }}
  • {{cite journal |vauthors=Strausberg RL, Feingold EA, Grouse LH, etal |title=Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences. |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=99 |issue= 26 |pages= 16899–903 |year= 2003 |pmid= 12477932 |doi= 10.1073/pnas.242603899 | pmc=139241 }}
  • {{cite journal |vauthors=Fitzgerald KA, McWhirter SM, Faia KL, etal |title=IKKepsilon and TBK1 are essential components of the IRF3 signaling pathway. |journal=Nat. Immunol. |volume=4 |issue= 5 |pages= 491–6 |year= 2003 |pmid= 12692549 |doi= 10.1038/ni921 }}
  • {{cite journal |vauthors=Kravchenko VV, Mathison JC, Schwamborn K, etal |title=IKKi/IKKepsilon plays a key role in integrating signals induced by pro-inflammatory stimuli. |journal=J. Biol. Chem. |volume=278 |issue= 29 |pages= 26612–9 |year= 2003 |pmid= 12736252 |doi= 10.1074/jbc.M303001200 }}
  • {{cite journal |vauthors=Matsuda A, Suzuki Y, Honda G, etal |title=Large-scale identification and characterization of human genes that activate NF-kappaB and MAPK signaling pathways. |journal=Oncogene |volume=22 |issue= 21 |pages= 3307–18 |year= 2003 |pmid= 12761501 |doi= 10.1038/sj.onc.1206406 }}
  • {{cite journal |vauthors=Fujita F, Taniguchi Y, Kato T, etal |title=Identification of NAP1, a regulatory subunit of IkappaB kinase-related kinases that potentiates NF-kappaB signaling. |journal=Mol. Cell. Biol. |volume=23 |issue= 21 |pages= 7780–93 |year= 2003 |pmid= 14560022 |doi=10.1128/MCB.23.21.7780-7793.2003 | pmc=207563 }}
  • {{cite journal |vauthors=Ota T, Suzuki Y, Nishikawa T, etal |title=Complete sequencing and characterization of 21,243 full-length human cDNAs. |journal=Nat. Genet. |volume=36 |issue= 1 |pages= 40–5 |year= 2004 |pmid= 14702039 |doi= 10.1038/ng1285 }}
  • {{cite journal |vauthors=Bouwmeester T, Bauch A, Ruffner H, etal |title=A physical and functional map of the human TNF-alpha/NF-kappa B signal transduction pathway. |journal=Nat. Cell Biol. |volume=6 |issue= 2 |pages= 97–105 |year= 2004 |pmid= 14743216 |doi= 10.1038/ncb1086 }}
  • {{cite journal |vauthors=tenOever BR, Sharma S, Zou W, etal |title=Activation of TBK1 and IKKvarepsilon kinases by vesicular stomatitis virus infection and the role of viral ribonucleoprotein in the development of interferon antiviral immunity. |journal=J. Virol. |volume=78 |issue= 19 |pages= 10636–49 |year= 2004 |pmid= 15367631 |doi= 10.1128/JVI.78.19.10636-10649.2004 | pmc=516426 }}
  • {{cite journal |vauthors=Buss H, Dörrie A, Schmitz ML, etal |title=Constitutive and interleukin-1-inducible phosphorylation of p65 NF-{kappa}B at serine 536 is mediated by multiple protein kinases including I{kappa}B kinase (IKK)-{alpha}, IKK{beta}, IKK{epsilon}, TRAF family member-associated (TANK)-binding kinase 1 (TBK1), and an unknown kinase and couples p65 to TATA-binding protein-associated factor II31-mediated interleukin-8 transcription. |journal=J. Biol. Chem. |volume=279 |issue= 53 |pages= 55633–43 |year= 2005 |pmid= 15489227 |doi= 10.1074/jbc.M409825200 }}
  • {{cite journal|url=https://www.uniprot.org/uniprot/Q14164 |title=Inhibitor of nuclear factor kappa-B kinase subunit epsilon}}
{{refend}}{{Serine/threonine-specific protein kinases}}{{Enzymes}}{{Portal bar|Molecular and Cellular Biology|border=no}}{{gene-1-stub}}

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