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dc.contributor.authorKELLEHER, DERMOT P
dc.date.accessioned2009-10-23T17:59:56Z
dc.date.available2009-10-23T17:59:56Z
dc.date.issued1995
dc.date.submitted1995en
dc.identifier.citationM. A. O'Connell, R. Cleere, A. Long, L. A. O'Neill and D. Kelleher `Cellular proliferation and activation of NF kappa B are induced by autocrine production of tumor necrosis factor alpha in the human T lymphoma line HuT 78? in The Journal of Biological Chemistry, 270, (13), 1995, pp 7399-7404en
dc.identifier.otherYen
dc.identifier.otherY
dc.identifier.other21356
dc.identifier.urihttp://hdl.handle.net/2262/34208
dc.descriptionPUBLISHEDen
dc.description.abstractTumor necrosis factor (TNF) is a pleiotropic cytokine which has both cytotoxic and proliferative effects. HuT 78, a T-cell line derived from a Sezary lymphoma, is resistant to the cytotoxic effects of TNF, suggesting that TNF may be a growth factor for this cell line. The aim of this study was to determine whether autocrine TNF production could function as a growth factor for HuT 78. Resting HuT 78 and K-4 cells, a protein kinase C-beta-deficient clone of HuT 78, both produced significant amounts of TNF compared with Jurkat cells. Thymidine incorporation by HuT 78 and K-4 cells was inhibited by 90.5 and 73.2%, respectively, with addition of a neutralizing monoclonal antibody to TNF alpha, suggesting that TNF is an autocrine growth factor for these cells. HuT 78 and K-4 cells also expressed high levels of constitutively active NF kappa B, unlike Jurkat cells, which expressed high levels only upon activation with TNF or phorbol 12-myristate 13-acetate. p50 was the major component in the NF kappa B complexes in HuT 78 and K-4 cells. Anti-TNF alpha antibody dramatically decreased levels of NF kappa B in both HuT 78 and K-4 cells. As the TNF gene has an NF kappa B binding motif, an autocrine loop involving TNF induction of NF kappa B is therefore likely in these cells. These findings in a neoplastic T-cell line suggest that therapy directed against TNF could be effective in a subset of T-cell lymphomas.en
dc.description.sponsorshipThis work was supported by grants from the Cancer Research Advancement Board of the Irish Cancer Society and by the Health Research Board.en
dc.format.extent7399-7404en
dc.format.extent5723465 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherThe American Society for Biochemistry and Molecular Biologyen
dc.relation.ispartofseriesThe Journal of Biological Chemistryen
dc.relation.ispartofseries270en
dc.relation.ispartofseries13en
dc.rightsYen
dc.subjectClinical Medicineen
dc.titleCellular proliferation and activation of NF kappa B are induced by autocrine production of tumor necrosis factor alpha in the human T lymphoma line HuT 78en
dc.typeJournal Articleen
dc.contributor.sponsorHealth Research Board
dc.contributor.sponsorIrish Cancer Society
dc.type.supercollectionscholarly_publicationsen
dc.type.supercollectionrefereed_publicationsen
dc.identifier.peoplefinderurlhttp://people.tcd.ie/kellehdp
dc.identifier.rssinternalid20842


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