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Resveratrol induces the suppression of tumor-derived CD4+CD25+ regulatory T cells

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dc.contributor.authorYang, Yoolhee-
dc.contributor.authorPaik, Jin Ho-
dc.contributor.authorCho, Daeho-
dc.contributor.authorCho, Jung-Ah-
dc.contributor.authorKim, Chul-Woo-
dc.date.accessioned2010-06-28T23:26:45Z-
dc.date.available2010-06-28T23:26:45Z-
dc.date.issued2008-03-11-
dc.identifier.citationInt Immunopharmacol. 2008;8(4):542-547en
dc.identifier.issn1567-5769 (Print)-
dc.identifier.urihttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=18328445-
dc.identifier.urihttp://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6W7N-4RKVB7B-3-9&_cdi=6631&_user=168665&_orig=search&_coverDate=04%2F30%2F2008&_sk=999919995&view=c&wchp=dGLbVzb-zSkWA&md5=8dd928cfcb9b32d8926fc6faee9ff0c2&ie=/sdarticle.pdf-
dc.identifier.urihttps://hdl.handle.net/10371/67957-
dc.description.abstractCD4+CD25+ regulatory T cells (Treg cells) are negative regulator of the immune system and main obstacles to cancer immunotherapy in tumor-bearing hosts. Resveratrol is a natural product found in grapes with both immunomodulatory and anticancer effects, which can be controlled by Treg cells. Therefore, to determine whether resveratrol performs these actions via Treg cells, we investigated changes in Treg cell population and immunomodulatory cytokines in EG7 tumor-bearing C57BL/6 mice. In the present study, CD4+CD25+ cell population among CD4+ cells was inhibited ex vivo by resveratrol treatment in a dose-dependent manner. FoxP3+ expressing cells among CD4+CD25+ population were significantly reduced after resveratrol treatment ex vivo in intracellular FACS analysis. Single intraperitoneal administration of 4 mg/kg resveratrol suppressed the CD4+CD25+ cell population among CD4+ cells and downregulated secretion of TGF-beta, an immunosuppressive cytokine, measured from the spleens of tumor-bearing mice. Furthermore, resveratrol enhanced IFN-gamma expression in CD8+ T cells both ex vivo and in vivo,leading to immune stimulation. Taken together, these results suggest that resveratrol has a suppressive role on CD4+CD25+ cell population and makes peritumoral microenvironment unfavorable to tumor in tumor-bearing mice. Thus, resveratrol can be considered as possible adjuvant material for vaccination-based cancer therapy.en
dc.language.isoenen
dc.publisherElsevieren
dc.subjectAnimalsen
dc.subjectCells, Cultureden
dc.subjectFemaleen
dc.subjectForkhead Transcription Factors/metabolismen
dc.subjectImmunosuppressive Agents/administration & dosage/*pharmacologyen
dc.subjectInterferon-gamma/metabolismen
dc.subjectMiceen
dc.subjectMice, Inbred BALB Cen
dc.subjectMice, Inbred C57BLen
dc.subjectNeoplasms, Experimental/*immunologyen
dc.subjectStilbenes/administration & dosage/*pharmacologyen
dc.subjectT-Lymphocyte Subsets/*drug effects/*immunology/metabolismen
dc.subjectT-Lymphocytes, Regulatory/*drug effects/*immunology/metabolismen
dc.subjectTransforming Growth Factor beta/*metabolismen
dc.titleResveratrol induces the suppression of tumor-derived CD4+CD25+ regulatory T cellsen
dc.typeArticleen
dc.contributor.AlternativeAuthor양율희-
dc.contributor.AlternativeAuthor백진호-
dc.contributor.AlternativeAuthor조대호-
dc.contributor.AlternativeAuthor조정아-
dc.contributor.AlternativeAuthor김철우-
dc.identifier.doi10.1016/j.intimp.2007.12.006-
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