Article: Essential role for macrophage migration inhibitory factor in gastritis induced by helicobacter Pylori

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TitleEssential role for macrophage migration inhibitory factor in gastritis induced by helicobacter Pylori
AuthorsWong, BLW2
Zhu, SL2 3
Huang, XR2
Juan, M1 2
Xia, HHX2
Bucala, R4
Wong, BCY2
Lan, HY2
Issue Date2009
PublisherAmerican Society for Investigative Pathology. The Journal's web site is located at http://www.amjpathol.org
CitationAmerican Journal Of Pathology, 2009, v. 174 n. 4, p. 1319-1328 [How to Cite?]
DOI: http://dx.doi.org/10.2353/ajpath.2009.080708
AbstractMacrophage migration inhibitory factor (MIF) is an upstream regulator of immune and inflammatory responses; however, its role in Helicobacter pylori (HP)-associated gastritis remains unknown. We infected MIF knockout (KO) and wild-type mice with SS1 HP and found that 2 weeks after infection, MIF and its receptor CD74 were markedly up-regulated in wild-type mice. This up-regulation preceded the up-regulation of both tumor necrosis factor-α and intercellular adhesion molecule-1, as well as the development of moderate gastritis at 8 weeks, as determined by a significant infiltration of neutrophils, T cells, and macrophages. In contrast, KO mice were protected against HP-induced gastritis by preventing the up-regulation of CD74 and Th1-mediated immune injury, including a reduction in the Th1 transcriptional factor T-bet and the expression of interferon-γ. Additionally, inhibition of skin delayed type hypersensitivity reactions to HP antigens in KO mice also suggested a critical role for MIF in cell-mediated injury. A regulatory role for MIF in Th1-immune responses was further demonstrated by the finding that antigen- primed CD4+ T cells lacking MIF failed to differentiate into the Th1 phenotype; these cells were instead promoted to Th2 differentiation after challenge with HP antigen in vitro. Results from this study indicated that inhibition of HP-induced innate immune responses and Th1-mediated immune injury may be the key mechanisms by which KO mice failed to develop gastritis after HP infection. Copyright © American Society for Investigative Pathology.
ISSN0002-9440
2011 Impact Factor: 4.89
2011 SCImago Journal Rankings: 0.697
DOIhttp://dx.doi.org/10.2353/ajpath.2009.080708
ISI Accession Number IDWOS:000264657800018
Funding AgencyGrant Number
Hong Kong Research Grant CouncilRGC GRF 759206
NIH
Funding Information:

Supported by grants from Hong Kong Research Grant Council (RGC GRF 759206) and the NIH (to R.B.).

ReferencesReferences in Scopus
DC Field
Value
dc.contributor.authorWong, BLW
dc.contributor.authorZhu, SL
dc.contributor.authorHuang, XR
dc.contributor.authorJuan, M
dc.contributor.authorXia, HHX
dc.contributor.authorBucala, R
dc.contributor.authorWong, BCY
dc.contributor.authorLan, HY
dc.date.accessioned2010-05-31T03:46:19Z
dc.date.available2010-05-31T03:46:19Z
dc.date.issued2009
dc.description.abstractMacrophage migration inhibitory factor (MIF) is an upstream regulator of immune and inflammatory responses; however, its role in Helicobacter pylori (HP)-associated gastritis remains unknown. We infected MIF knockout (KO) and wild-type mice with SS1 HP and found that 2 weeks after infection, MIF and its receptor CD74 were markedly up-regulated in wild-type mice. This up-regulation preceded the up-regulation of both tumor necrosis factor-α and intercellular adhesion molecule-1, as well as the development of moderate gastritis at 8 weeks, as determined by a significant infiltration of neutrophils, T cells, and macrophages. In contrast, KO mice were protected against HP-induced gastritis by preventing the up-regulation of CD74 and Th1-mediated immune injury, including a reduction in the Th1 transcriptional factor T-bet and the expression of interferon-γ. Additionally, inhibition of skin delayed type hypersensitivity reactions to HP antigens in KO mice also suggested a critical role for MIF in cell-mediated injury. A regulatory role for MIF in Th1-immune responses was further demonstrated by the finding that antigen- primed CD4+ T cells lacking MIF failed to differentiate into the Th1 phenotype; these cells were instead promoted to Th2 differentiation after challenge with HP antigen in vitro. Results from this study indicated that inhibition of HP-induced innate immune responses and Th1-mediated immune injury may be the key mechanisms by which KO mice failed to develop gastritis after HP infection. Copyright © American Society for Investigative Pathology.
dc.description.natureLink_to_subscribed_fulltext
dc.identifier.citationAmerican Journal Of Pathology, 2009, v. 174 n. 4, p. 1319-1328 [How to Cite?]
DOI: http://dx.doi.org/10.2353/ajpath.2009.080708
dc.identifier.doihttp://dx.doi.org/10.2353/ajpath.2009.080708
dc.identifier.epage1328
dc.identifier.hkuros159001
dc.identifier.isiWOS:000264657800018
Funding AgencyGrant Number
Hong Kong Research Grant CouncilRGC GRF 759206
NIH
Funding Information:

Supported by grants from Hong Kong Research Grant Council (RGC GRF 759206) and the NIH (to R.B.).

dc.identifier.issn0002-9440
2011 Impact Factor: 4.89
2011 SCImago Journal Rankings: 0.697
dc.identifier.issue4
dc.identifier.openurl
dc.identifier.pmid19286569
dc.identifier.scopuseid_2-s2.0-65349155773
dc.identifier.spage1319
dc.identifier.urihttp://hdl.handle.net/10722/59256
dc.identifier.volume174
dc.languageeng
dc.publisherAmerican Society for Investigative Pathology. The Journal's web site is located at http://www.amjpathol.org
dc.publisher.placeUnited States
dc.relation.ispartofAmerican Journal of Pathology
dc.relation.referencesReferences in Scopus
dc.subject.meshAnimals
dc.subject.meshAntigens, Bacterial
dc.subject.meshAntigens, Differentiation, B-Lymphocyte - immunology - metabolism
dc.subject.meshCell Differentiation - immunology
dc.subject.meshFlow Cytometry
dc.subject.meshGastritis - immunology - microbiology
dc.subject.meshHelicobacter Infections - immunology
dc.subject.meshHelicobacter pylori - immunology
dc.subject.meshHistocompatibility Antigens Class II - immunology - metabolism
dc.subject.meshHypersensitivity, Delayed
dc.subject.meshImmunohistochemistry
dc.subject.meshIntercellular Adhesion Molecule-1 - immunology - metabolism
dc.subject.meshIntramolecular Oxidoreductases - immunology - metabolism
dc.subject.meshMacrophage Migration-Inhibitory Factors - immunology - metabolism
dc.subject.meshMice
dc.subject.meshMice, Knockout
dc.subject.meshReverse Transcriptase Polymerase Chain Reaction
dc.subject.meshTh1 Cells - cytology - immunology
dc.subject.meshTumor Necrosis Factor-alpha - immunology - metabolism
dc.titleEssential role for macrophage migration inhibitory factor in gastritis induced by helicobacter Pylori
dc.typeArticle
Author Affiliations
  1. Guangdong Provincial People's Hospital
  2. The University of Hong Kong
  3. Sun Yat-Sen University
  4. Yale University School of Medicine