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Posttranscriptional regulation of Fas (CD95) ligand killing activity by lipid rafts

Posttranscriptional regulation of Fas (CD95) ligand killing activity by lipid rafts


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NACHBUR, Ueli, Daniela KASSAHN, Shida YOUSEFI, Daniel LEGLER, Thomas BRUNNER, 2006. Posttranscriptional regulation of Fas (CD95) ligand killing activity by lipid rafts. In: Blood. 107(7), pp. 2790-2796. ISSN 0006-4971

@article{Nachbur2006-04-01Postt-14279, title={Posttranscriptional regulation of Fas (CD95) ligand killing activity by lipid rafts}, year={2006}, doi={10.1182/blood-2005-07-2744}, number={7}, volume={107}, issn={0006-4971}, journal={Blood}, pages={2790--2796}, author={Nachbur, Ueli and Kassahn, Daniela and Yousefi, Shida and Legler, Daniel and Brunner, Thomas} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/14279"> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-10-20T09:02:55Z</dcterms:available> <dc:creator>Nachbur, Ueli</dc:creator> <dc:creator>Kassahn, Daniela</dc:creator> <dc:creator>Legler, Daniel</dc:creator> <dc:creator>Brunner, Thomas</dc:creator> <dc:contributor>Yousefi, Shida</dc:contributor> <dc:rights>deposit-license</dc:rights> <dcterms:abstract xml:lang="eng">Fas (CD95/Apo-1) ligand-mediated apoptosis induction of target cells is one of the major effector mechanisms by which cytotoxic lymphocytes (T cells and natural killer cells) kill their target cells. In T cells, Fas ligand expression is tightly regulated at a transcriptional level through the activation of a distinct set of transcription factors. Increasing evidence, however, supports an important role for posttranscriptional regulation of Fas ligand expression and activity. Lipid rafts are cholesterol- and sphingolipid-rich membrane microdomains, critically involved in the regulation of membrane receptor signaling complexes through the clustering and concentration of signaling molecules. Here, we now provide evidence that Fas ligand is constitutively localized in lipid rafts of FasL transfectants and primary T cells. Importantly, disruption of lipid rafts strongly reduces the apoptosisinducing activity of Fas ligand. Localization to lipid rafts appears to be predominantly mediated by the characteristic cytoplasmic proline-rich domain of Fas ligand because mutations of this domain result in reduced recruitment to lipid rafts and attenuated Fas ligand killing activity. We conclude that Fas ligand clustering in lipid rafts represents an important control mechanism in the regulation of T cell– mediated cytotoxicity.</dcterms:abstract> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/14279"/> <dcterms:issued>2006-04-01</dcterms:issued> <dc:contributor>Legler, Daniel</dc:contributor> <dc:contributor>Brunner, Thomas</dc:contributor> <dc:creator>Yousefi, Shida</dc:creator> <dc:language>eng</dc:language> <dc:contributor>Nachbur, Ueli</dc:contributor> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dc:contributor>Kassahn, Daniela</dc:contributor> <dcterms:title>Posttranscriptional regulation of Fas (CD95) ligand killing activity by lipid rafts</dcterms:title> <dcterms:bibliographicCitation>First publ. in: Blood ; 107 (2006), 7. - pp. 2790-2796</dcterms:bibliographicCitation> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-10-20T09:02:55Z</dc:date> </rdf:Description> </rdf:RDF>

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