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Reggie-1/Flotillin-2 regulates integrin trafficking and focal adhesion turnover via Rab11a

Reggie-1/Flotillin-2 regulates integrin trafficking and focal adhesion turnover via Rab11a

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HÜLSBUSCH, Nikola, Gonzalo P. SOLIS, Vladimir L. KATANAEV, Claudia A.O. STUERMER, 2015. Reggie-1/Flotillin-2 regulates integrin trafficking and focal adhesion turnover via Rab11a. In: European Journal of Cell Biology. 94(11), pp. 531-545. ISSN 0171-9335. eISSN 1618-1298

@article{Hulsbusch2015-11Reggi-32223, title={Reggie-1/Flotillin-2 regulates integrin trafficking and focal adhesion turnover via Rab11a}, year={2015}, doi={10.1016/j.ejcb.2015.07.003}, number={11}, volume={94}, issn={0171-9335}, journal={European Journal of Cell Biology}, pages={531--545}, author={Hülsbusch, Nikola and Solis, Gonzalo P. and Katanaev, Vladimir L. and Stuermer, Claudia A.O.} }

<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/123456789/32223"> <dc:contributor>Katanaev, Vladimir L.</dc:contributor> <dcterms:title>Reggie-1/Flotillin-2 regulates integrin trafficking and focal adhesion turnover via Rab11a</dcterms:title> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2015-11-23T14:41:14Z</dc:date> <dc:contributor>Hülsbusch, Nikola</dc:contributor> <dcterms:issued>2015-11</dcterms:issued> <dc:creator>Stuermer, Claudia A.O.</dc:creator> <dc:contributor>Solis, Gonzalo P.</dc:contributor> <dcterms:rights rdf:resource="http://nbn-resolving.de/urn:nbn:de:bsz:352-20150914100631302-4485392-8"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2015-11-23T14:41:14Z</dcterms:available> <dc:creator>Solis, Gonzalo P.</dc:creator> <dcterms:abstract xml:lang="eng">Reggies/flotillins are implicated in trafficking of membrane proteins to their target sites and in the regulation of the Rab11a-dependent targeted recycling of E-cadherin to adherens junctions (AJs). Here we demonstrate a function of reggies in focal adhesion (FA) formation and α5- and β1-integrin recycling to FAs. Downregulation of reggie-1 in HeLa and A431 cells by siRNA and shRNA increased the number of FAs, impaired their distribution and modified FA turnover. This was coupled to enhanced focal adhesion kinase (FAK) and Rac1 signaling and gain in plasma membrane motility. Wild type and constitutively-active (CA) Rab11a rescued the phenotype (normal number of FAs) whereas dominant-negative (DN) Rab11a mimicked the loss-of-reggie phenotype in control cells. That reggie-1 affects integrin trafficking emerged from the faster loss of internalized antibody-labeled β1-integrin in reggie-deficient cells. Moreover, live imaging using TIRF microscopy revealed vesicles containing reggie-1 and α5- or β1-integrin, trafficking close to the substrate-near membrane and making kiss-and-run contacts with FAs. Thus, reggie-1 in interaction with Rab11a controls Rac1 and FAK activation and coordinates the targeted recycling of α5- and β1-integrins to FAs to regulate FA formation and membrane dynamics.</dcterms:abstract> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/32223"/> <dc:language>eng</dc:language> <dc:creator>Hülsbusch, Nikola</dc:creator> <dc:creator>Katanaev, Vladimir L.</dc:creator> <dc:contributor>Stuermer, Claudia A.O.</dc:contributor> </rdf:Description> </rdf:RDF>

Dateiabrufe seit 23.11.2015 (Informationen über die Zugriffsstatistik)

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