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Maya Pascual-Lucas, Sara Fernandez-Lizarbe, Jorge Montesinos and Consuelo Guerri LPS or ethanol triggers clathrin- and rafts/caveolae-dependent endocytosis of TLR4 in cortical astrocytes Journal of Neurochemistry 129

Article first published online: 5 JAN 2014 | DOI: 10.1111/jnc.12639

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The results demonstrate that ethanol or lipopolysaccharide (LPS) triggers toll-like receptor 4 (TLR4) endocytosis by caveolae and clathrin-dependent pathways in astrocytes. We proposed that while clathrin is the protein responsible for TLR4 internalization, caveolin-1/lipid rafts membrane microdomains are required for TLR4 signaling. The results provide new insights into the effects of ethanol on TLR4 signalling in astrocytes, events that may underlie neuroinflammation.

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