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Additionally, it gives rise to the multiplication of [[Hematologic neoplasms|hematologic neoplasias]] and also [[Hodgkin's lymphoma]] in humans but IL-9 also has antitumor properties in solid tumors,for example [[melanoma]].<ref>{{cite journal | vauthors = Rojas-Zuleta WG, Sanchez E | title = IL-9: Function, Sources, and Detection | journal = Methods in Molecular Biology | volume = 1585 | pages = 21–35 | date = 2017 | pmid = 28477184 | doi = 10.1007/978-1-4939-6877-0_2 }}</ref>
Additionally, it gives rise to the multiplication of [[Hematologic neoplasms|hematologic neoplasias]] and also [[Hodgkin's lymphoma]] in humans but IL-9 also has antitumor properties in solid tumors,for example [[melanoma]].<ref>{{cite journal | vauthors = Rojas-Zuleta WG, Sanchez E | title = IL-9: Function, Sources, and Detection | journal = Methods in Molecular Biology | volume = 1585 | pages = 21–35 | date = 2017 | pmid = 28477184 | doi = 10.1007/978-1-4939-6877-0_2 }}</ref>


== Discovery & History ==
== Discovery ==
IL-9 was first described in the late 1980s as a member of a growing number of [[cytokines]] that had [[Pleiotropy|pleiotropic]] functions in the [[immune]] system.IL-9 remains an understudied cytokine even though it has been allocated with many biological functions.It was first purified and characterized as a [[T cell]] and [[mast cell]] growth factor and termed as P40, based on their [[Molecular Weight|molecular weight]], or Mast cell growth-enhancing activity (MEA).The [[cloning]] and complete [[amino acid]] sequencing of P40 disclosed that it is structurally different from other [[T cell]]<nowiki/>s growth factors. So, it was named IL-9 based on its biological effects on both [[Myeloid cells|myeloid]] and [[Lymphoid cells|lymphoid]] cells.<ref>{{Cite journal|last=Goswami|first=Ritobrata|last2=Kaplan|first2=Mark H.|date=2011-03-15|title=A Brief History of IL-9|url=http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3074408/|journal=Journal of immunology (Baltimore, Md. : 1950)|volume=186|issue=6|pages=3283–3288|doi=10.4049/jimmunol.1003049|issn=0022-1767|pmc=PMC3074408|pmid=21368237}}</ref>
IL-9 was first described in the late 1980s as a member of a growing number of [[cytokines]] that had [[Pleiotropy|pleiotropic]] functions in the [[immune]] system.IL-9 remains an understudied cytokine even though it has been allocated with many biological functions.It was first purified and characterized as a [[T cell]] and [[mast cell]] growth factor and termed as P40, based on their [[Molecular Weight|molecular weight]], or Mast cell growth-enhancing activity (MEA).The [[cloning]] and complete [[amino acid]] sequencing of P40 disclosed that it is structurally different from other [[T cell]]<nowiki/>s growth factors. So, it was named IL-9 based on its biological effects on both [[Myeloid cells|myeloid]] and [[Lymphoid cells|lymphoid]] cells.<ref>{{cite journal | vauthors = Goswami R, Kaplan MH | title = A brief history of IL-9 | journal = Journal of Immunology | volume = 186 | issue = 6 | pages = 3283–8 | date = March 2011 | pmid = 21368237 | pmc = 3074408 | doi = 10.4049/jimmunol.1003049 }}</ref>


== Production of IL-9 ==
== Production ==
[[Interleukin 33]] (IL-33) induces IL-9 expression and secretion in [[T cell]]<nowiki/>s, which was confirmed by the results obtained in mice by using Human [[In vitro|''in vitro'']]<nowiki/>system.<ref>{{Cite journal|last=Humphreys|first=Neil E.|last2=Xu|first2=Damo|last3=Hepworth|first3=Matthew R.|last4=Liew|first4=Foo Y.|last5=Grencis|first5=Richard K.|date=2008-02-15|title=IL-33, a potent inducer of adaptive immunity to intestinal nematodes|url=https://www.ncbi.nlm.nih.gov/pubmed/18250453|journal=Journal of Immunology (Baltimore, Md.: 1950)|volume=180|issue=4|pages=2443–2449|issn=0022-1767|pmid=18250453}}</ref> Whereas the report of others confirms that [[TGF-b|TGF-β]] is a essential factor for IL-9 induction.<ref>{{Cite journal|last=Beriou|first=Gaëlle|last2=Bradshaw|first2=Elizabeth M.|last3=Lozano|first3=Ester|last4=Costantino|first4=Cristina M.|last5=Hastings|first5=William D.|last6=Orban|first6=Tihamer|last7=Elyaman|first7=Wassim|last8=Khoury|first8=Samia J.|last9=Kuchroo|first9=Vijay K.|date=2010-07-01|title=TGF-β Induces IL-9 Production from Human Th17 Cells|url=http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2936106/|journal=Journal of immunology (Baltimore, Md. : 1950)|volume=185|issue=1|pages=46–54|doi=10.4049/jimmunol.1000356|issn=0022-1767|pmc=PMC2936106|pmid=20498357}}</ref>For the first time (Lars Blom,Britta C. Poulsen,Bettina M. Jensen,Anker Hansen and Lars K. Poulsen published a journal online in 2011 Jul 6),indicating that TGF-β may be important for production of IL-9 but it is not only the definite requirement for IL-9 induction, since [[Cell culture|cultures]] with IL-33 without TGF-β have noticeably increased secretion of IL-9, suggesting an important role of IL-33, even though that the effect was not found significant on the [[gene]] level.<ref>{{Cite journal|last=Blom|first=Lars|last2=Poulsen|first2=Britta C.|last3=Jensen|first3=Bettina M.|last4=Hansen|first4=Anker|last5=Poulsen|first5=Lars K.|date=2011-07-06|title=IL-33 Induces IL-9 Production in Human CD4+ T Cells and Basophils|url=http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3130774/|journal=PLoS ONE|volume=6|issue=7|doi=10.1371/journal.pone.0021695|issn=1932-6203|pmc=PMC3130774|pmid=21765905}}</ref> 
[[Interleukin 33]] (IL-33) induces IL-9 expression and secretion in [[T cell]]<nowiki/>s, which was confirmed by the results obtained in mice by using Human [[In vitro|''in vitro'']]<nowiki/>system.<ref>{{cite journal | vauthors = Humphreys NE, Xu D, Hepworth MR, Liew FY, Grencis RK | title = IL-33, a potent inducer of adaptive immunity to intestinal nematodes | journal = Journal of Immunology | volume = 180 | issue = 4 | pages = 2443–9 | date = February 2008 | pmid = 18250453 }}</ref> Whereas the report of others confirms that [[TGF-b|TGF-β]] is a essential factor for IL-9 induction.<ref>{{cite journal | vauthors = Beriou G, Bradshaw EM, Lozano E, Costantino CM, Hastings WD, Orban T, Elyaman W, Khoury SJ, Kuchroo VK, Baecher-Allan C, Hafler DA | title = TGF-beta induces IL-9 production from human Th17 cells | journal = Journal of Immunology | volume = 185 | issue = 1 | pages = 46–54 | date = July 2010 | pmid = 20498357 | pmc = 2936106 | doi = 10.4049/jimmunol.1000356 }}</ref>For the first time (Lars Blom,Britta C. Poulsen,Bettina M. Jensen,Anker Hansen and Lars K. Poulsen published a journal online in 2011 Jul 6),indicating that TGF-β may be important for production of IL-9 but it is not only the definite requirement for IL-9 induction, since [[Cell culture|cultures]] with IL-33 without TGF-β have noticeably increased secretion of IL-9, suggesting an important role of IL-33, even though that the effect was not found significant on the [[gene]] level.<ref>{{cite journal | vauthors = Blom L, Poulsen BC, Jensen BM, Hansen A, Poulsen LK | title = IL-33 induces IL-9 production in human CD4+ T cells and basophils | journal = PloS One | volume = 6 | issue = 7 | pages = e21695 | date = 2011-07-06 | pmid = 21765905 | pmc = 3130774 | doi = 10.1371/journal.pone.0021695 }}</ref> 


== References ==
== References ==

Revision as of 04:49, 11 October 2017

IL9
Identifiers
AliasesIL9, HP40, IL-9, P40, interleukin 9
External IDsOMIM: 146931; MGI: 96563; HomoloGene: 492; GeneCards: IL9; OMA:IL9 - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_000590

NM_008373

RefSeq (protein)

NP_000581

NP_032399

Location (UCSC)Chr 5: 135.89 – 135.9 MbChr 13: 56.63 – 56.63 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Interleukin 9, also known as IL-9, is a pleiotropic cytokine (cell signalling molecule) belonging to the group of interleukins.[5]IL-9 is produced by variety of cells like mast cells, NKT cells, Th2, Th17, Treg, ILC2, and Th9 cells in different amounts. Among them, Th9 cells are regarded as the major CD4+ T cells that produce IL-9.[6]

Function

Il-9 is a cytokine secreted by CD4+ helper cells that acts as a regulator of a variety of hematopoietic cells.[7] This cytokine stimulates cell proliferation and prevents apoptosis. It functions through the interleukin-9 receptor (IL9R), which activates different signal transducer and activator (STAT) proteins and thus connects this cytokine to various biological processes. The gene encoding this cytokine has been identified as a candidate gene for asthma. Genetic studies on a mouse model of asthma demonstrated that this cytokine is a determining factor in the pathogenesis of bronchial hyperresponsiveness.[5]

Interleukin-9 has also shown to inhibit melanoma growth in mice.[8]

Additionally, it gives rise to the multiplication of hematologic neoplasias and also Hodgkin's lymphoma in humans but IL-9 also has antitumor properties in solid tumors,for example melanoma.[9]

Discovery

IL-9 was first described in the late 1980s as a member of a growing number of cytokines that had pleiotropic functions in the immune system.IL-9 remains an understudied cytokine even though it has been allocated with many biological functions.It was first purified and characterized as a T cell and mast cell growth factor and termed as P40, based on their molecular weight, or Mast cell growth-enhancing activity (MEA).The cloning and complete amino acid sequencing of P40 disclosed that it is structurally different from other T cells growth factors. So, it was named IL-9 based on its biological effects on both myeloid and lymphoid cells.[10]

Production

Interleukin 33 (IL-33) induces IL-9 expression and secretion in T cells, which was confirmed by the results obtained in mice by using Human in vitrosystem.[11] Whereas the report of others confirms that TGF-β is a essential factor for IL-9 induction.[12]For the first time (Lars Blom,Britta C. Poulsen,Bettina M. Jensen,Anker Hansen and Lars K. Poulsen published a journal online in 2011 Jul 6),indicating that TGF-β may be important for production of IL-9 but it is not only the definite requirement for IL-9 induction, since cultures with IL-33 without TGF-β have noticeably increased secretion of IL-9, suggesting an important role of IL-33, even though that the effect was not found significant on the gene level.[13] 

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000145839Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000021538Ensembl, 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. ^ a b "Entrez Gene: IL9 interleukin 9".
  6. ^ Rojas-Zuleta WG, Sanchez E (2017). "IL-9: Function, Sources, and Detection". Methods in Molecular Biology. 1585: 21–35. doi:10.1007/978-1-4939-6877-0_2. PMID 28477184.
  7. ^ Perumal NB, Kaplan MH (2011). "Regulating IL9 transcription in T helper cells". Trends in Immunology. 32 (4): 146–50. doi:10.1016/j.it.2011.01.006. PMC 3070825. PMID 21371941.
  8. ^ Purwar R, Schlapbach C, Xiao S, Kang HS, Elyaman W, Jiang X, Jetten AM, Khoury SJ, Fuhlbrigge RC, Kuchroo VK, Clark RA, Kupper TS (August 2012). "Robust tumor immunity to melanoma mediated by interleukin-9-producing T cells". Nature Medicine. 18 (8): 1248–53. doi:10.1038/nm.2856. PMC 3518666. PMID 22772464. {{cite journal}}: Unknown parameter |laysource= ignored (help); Unknown parameter |laysummary= ignored (help)
  9. ^ Rojas-Zuleta WG, Sanchez E (2017). "IL-9: Function, Sources, and Detection". Methods in Molecular Biology. 1585: 21–35. doi:10.1007/978-1-4939-6877-0_2. PMID 28477184.
  10. ^ Goswami R, Kaplan MH (March 2011). "A brief history of IL-9". Journal of Immunology. 186 (6): 3283–8. doi:10.4049/jimmunol.1003049. PMC 3074408. PMID 21368237.
  11. ^ Humphreys NE, Xu D, Hepworth MR, Liew FY, Grencis RK (February 2008). "IL-33, a potent inducer of adaptive immunity to intestinal nematodes". Journal of Immunology. 180 (4): 2443–9. PMID 18250453.
  12. ^ Beriou G, Bradshaw EM, Lozano E, Costantino CM, Hastings WD, Orban T, Elyaman W, Khoury SJ, Kuchroo VK, Baecher-Allan C, Hafler DA (July 2010). "TGF-beta induces IL-9 production from human Th17 cells". Journal of Immunology. 185 (1): 46–54. doi:10.4049/jimmunol.1000356. PMC 2936106. PMID 20498357.
  13. ^ Blom L, Poulsen BC, Jensen BM, Hansen A, Poulsen LK (2011-07-06). "IL-33 induces IL-9 production in human CD4+ T cells and basophils". PloS One. 6 (7): e21695. doi:10.1371/journal.pone.0021695. PMC 3130774. PMID 21765905.{{cite journal}}: CS1 maint: unflagged free DOI (link)

Further reading