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dc.creatorKaranikas, V.en
dc.creatorSpeletas, M.en
dc.creatorZamanakou, M.en
dc.creatorKalala, F.en
dc.creatorLoules, G.en
dc.creatorKerenidi, T.en
dc.creatorBarda, A. K.en
dc.creatorGourgoulianis, K. I.en
dc.creatorGermenis, A. E.en
dc.date.accessioned2015-11-23T10:33:20Z
dc.date.available2015-11-23T10:33:20Z
dc.date.issued2008
dc.identifier10.1186/1479-5876-6-19
dc.identifier.issn1479-5876
dc.identifier.urihttp://hdl.handle.net/11615/29052
dc.description.abstractObjective: Transcription factor forkhead box protein 3 (Foxp3) specifically characterizes the thymically derived naturally occurring regulatory T cells (Tregs). Limited evidence indicates that it is also expressed, albeit to a lesser extent, in tissues other than thymus and spleen, while, very recently, it was shown that Foxp3 is expressed by pancreatic carcinoma. This study was scheduled to investigate whether expression of Foxp3 transcripts and mature protein occurs constitutively in various tumor types. Materials and methods: Twenty five tumor cell lines of different tissue origins (lung cancer, colon cancer, breast cancer, melanoma, erythroid leukemia, acute T-cell leukemia) were studied. Detection of Foxp3 mRNA was performed using both conventional RT-PCR and quantitative real-time PCR while protein expression was assessed by immunocytochemistry and flow cytometry, using different antibody clones. Results: Foxp3 mRNA as well as Foxp3 protein was detected in all tumor cell lines, albeit in variable levels, not related to the tissue of origin. This expression correlated with the expression levels of IL-10 and TGFb1. Conclusion: We offer evidence that Foxp3 expression, characterizes tumor cells of various tissue origins. The biological significance of these findings warrants further investigation in the context of tumor immune escape, and especially under the light of current anti-cancer efforts interfering with Foxp3 expression.en
dc.sourceJournal of Translational Medicineen
dc.source.uri<Go to ISI>://WOS:000256152700001
dc.subjectREGULATORY T-CELLSen
dc.subjectTRANSCRIPTION FACTOR FOXP3en
dc.subjectGENE-EXPRESSIONen
dc.subjectTUMOR-IMMUNITYen
dc.subjectMESSENGER-RNAen
dc.subjectLUNG-CANCERen
dc.subjectCARCINOMAen
dc.subjectIMMUNOTHERAPYen
dc.subjectINDUCTIONen
dc.subjectMECHANISMen
dc.subjectMedicine, Research & Experimentalen
dc.titleFoxp3 expression in human cancer cellsen
dc.typejournalArticleen


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