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Interleukin 1 family, member 9
Symbols IL1F9 ; IL-1F9; IL-1H1; IL-1RP2; IL1E; IL1H1; IL1RP2
External IDs Template:OMIM5 Template:MGI HomoloGene49595
RNA expression pattern
More reference expression data
Template:GNF Ortholog box
Species Human Mouse
Entrez n/a n/a
Ensembl n/a n/a
UniProt n/a n/a
RefSeq (mRNA) n/a n/a
RefSeq (protein) n/a n/a
Location (UCSC) n/a n/a
PubMed search n/a n/a

Interleukin 1 family, member 9, also known as IL1F9, is a human gene.[1]

The protein encoded by this gene is a member of the interleukin 1 cytokine family. The activity of this cytokine is mediated by interleukin 1 receptor-like 2 (IL1RL2/IL1R-rp2), and is specifically inhibited by interleukin 1 family, member 5 (IL1F5/IL-1 delta). Interferon-gamma, tumor necrosis factor-alpha and interleukin 1, beta (IL1B) are reported to stimulate the expression of this cytokine in keratinocytes. The expression of this cytokine in keratinocytes can also be induced by a contact hypersensitivity reaction or herpes simplex virus infection. This gene and eight other interleukin 1 family genes form a cytokine gene cluster on chromosome 2.[1]


  1. 1.0 1.1 "Entrez Gene: IL1F9 interleukin 1 family, member 9".

Further reading

  • Nicklin MJ, Weith A, Duff GW (1994). "A physical map of the region encompassing the human interleukin-1 alpha, interleukin-1 beta, and interleukin-1 receptor antagonist genes". Genomics. 19 (2): 382–4. doi:10.1006/geno.1994.1076. PMID 8188271.
  • Nothwang HG, Strahm B, Denich D; et al. (1997). "Molecular cloning of the interleukin-1 gene cluster: construction of an integrated YAC/PAC contig and a partial transcriptional map in the region of chromosome 2q13". Genomics. 41 (3): 370–8. doi:10.1006/geno.1997.4654. PMID 9169134.
  • Mulero JJ, Pace AM, Nelken ST; et al. (1999). "IL1HY1: A novel interleukin-1 receptor antagonist gene". Biochem. Biophys. Res. Commun. 263 (3): 702–6. doi:10.1006/bbrc.1999.1440. PMID 10512743.
  • Smith DE, Renshaw BR, Ketchem RR; et al. (2000). "Four new members expand the interleukin-1 superfamily". J. Biol. Chem. 275 (2): 1169–75. PMID 10625660.
  • Kumar S, McDonnell PC, Lehr R; et al. (2000). "Identification and initial characterization of four novel members of the interleukin-1 family". J. Biol. Chem. 275 (14): 10308–14. PMID 10744718.
  • Busfield SJ, Comrack CA, Yu G; et al. (2000). "Identification and gene organization of three novel members of the IL-1 family on human chromosome 2". Genomics. 66 (2): 213–6. doi:10.1006/geno.2000.6184. PMID 10860666.
  • Barton JL, Herbst R, Bosisio D; et al. (2001). "A tissue specific IL-1 receptor antagonist homolog from the IL-1 cluster lacks IL-1, IL-1ra, IL-18 and IL-18 antagonist activities". Eur. J. Immunol. 30 (11): 3299–308. PMID 11093146.
  • Pan G, Risser P, Mao W; et al. (2001). "IL-1H, an interleukin 1-related protein that binds IL-18 receptor/IL-1Rrp". Cytokine. 13 (1): 1–7. doi:10.1006/cyto.2000.0799. PMID 11145836.
  • Lin H, Ho AS, Haley-Vicente D; et al. (2001). "Cloning and characterization of IL-1HY2, a novel interleukin-1 family member". J. Biol. Chem. 276 (23): 20597–602. doi:10.1074/jbc.M010095200. PMID 11278614.
  • Debets R, Timans JC, Homey B; et al. (2001). "Two novel IL-1 family members, IL-1 delta and IL-1 epsilon, function as an antagonist and agonist of NF-kappa B activation through the orphan IL-1 receptor-related protein 2". J. Immunol. 167 (3): 1440–6. PMID 11466363.
  • Sims JE, Nicklin MJ, Bazan JF; et al. (2001). "A new nomenclature for IL-1-family genes". Trends Immunol. 22 (10): 536–7. PMID 11574262.
  • Nicklin MJ, Barton JL, Nguyen M; et al. (2002). "A sequence-based map of the nine genes of the human interleukin-1 cluster". Genomics. 79 (5): 718–25. doi:10.1006/geno.2002.6751. PMID 11991722.
  • Strausberg RL, Feingold EA, Grouse LH; et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMID 12477932.
  • Clark HF, Gurney AL, Abaya E; et al. (2003). "The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment". Genome Res. 13 (10): 2265–70. doi:10.1101/gr.1293003. PMID 12975309.
  • Towne JE, Garka KE, Renshaw BR; et al. (2004). "Interleukin (IL)-1F6, IL-1F8, and IL-1F9 signal through IL-1Rrp2 and IL-1RAcP to activate the pathway leading to NF-kappaB and MAPKs". J. Biol. Chem. 279 (14): 13677–88. doi:10.1074/jbc.M400117200. PMID 14734551.
  • Dennis RA, Trappe TA, Simpson P; et al. (2005). "Interleukin-1 polymorphisms are associated with the inflammatory response in human muscle to acute resistance exercise". J. Physiol. (Lond.). 560 (Pt 3): 617–26. doi:10.1113/jphysiol.2004.067876. PMID 15331687.
  • Gerhard DS, Wagner L, Feingold EA; et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMID 15489334.
  • Vos JB, van Sterkenburg MA, Rabe KF; et al. (2005). "Transcriptional response of bronchial epithelial cells to Pseudomonas aeruginosa: identification of early mediators of host defense". Physiol. Genomics. 21 (3): 324–36. doi:10.1152/physiolgenomics.00289.2004. PMID 15701729.
  • Hillier LW, Graves TA, Fulton RS; et al. (2005). "Generation and annotation of the DNA sequences of human chromosomes 2 and 4". Nature. 434 (7034): 724–31. doi:10.1038/nature03466. PMID 15815621.

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