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Interleukin-1 mediates ischaemic brain injury via distinct actions on endothelial cells and cholinergic neurons
Publication date: Available online 16 November 2018Source: Brain, Behavior, and ImmunityAuthor(s): Raymond Wong, Nikolett Lénárt, Laura Hill, Lauren Toms, Graham Coutts, Bernadett Martinecz, Eszter Császár, Gábor Nyiri, Athina Papaemmanouil, Ari Waisman, Werner Müller, Markus Schwaninger, Nancy Rothwell, Sheila Francis, Emmanuel Pinteaux, Adam Denes, Stuart M. AllanAbstractThe cytokine interleukin-1 (IL-1) is a key contributor to neuroinflammation and brain injury, yet mechanisms by which IL-1 triggers neuronal injury remain unknown. Here we induced conditional deletion of IL-1R1 in brain endothelial cells, neurons a...
Source: Brain, Behavior, and Immunity - November 16, 2018 Category: Neurology Source Type: research

Interleukin-1 mediates ischaemic brain injury via distinct actions on endothelial cells and cholinergic neurons.
Abstract The cytokine interleukin-1 (IL-1) is a key contributor to neuroinflammation and brain injury, yet mechanisms by which IL-1 triggers neuronal injury remain unknown. Here we induced conditional deletion of IL-1R1 in brain endothelial cells, neurons and blood cells to assess site-specific IL-1 actions in a model of cerebral ischaemia in mice. Tamoxifen treatment of IL-1R1 floxed (fl/fl) mice crossed with mice expressing tamoxifen-inducible Cre-recombinase under the Slco1c1 promoter resulted in brain endothelium-specific deletion of IL-1R1 and a significant decrease in infarct size (29%), blood-brain barrier ...
Source: Brain, Behavior, and Immunity - November 16, 2018 Category: Neurology Authors: Wong R, Lénárt N, Hill L, Toms L, Coutts G, Martinecz B, Császár E, Nyiri G, Papaemmanouil A, Waisman A, Müller W, Schwaninger M, Rothwell N, Francis S, Pinteaux E, Denes A, Allan SM Tags: Brain Behav Immun Source Type: research

Endothelial Cell-Specific Inactivation of TSPAN12 (Tetraspanin 12) Reveals Pathological Consequences of Barrier Defects in an Otherwise Intact Vasculature.
Conclusions- This study establishes mice with late endothelial cell-specific loss of Tspan12 as a model to study pathological consequences of BRB impairment in an otherwise intact vasculature. PMID: 30354230 [PubMed - in process]
Source: Arteriosclerosis, Thrombosis and Vascular Biology - October 26, 2018 Category: Cardiology Authors: Zhang C, Lai MB, Pedler MG, Johnson V, Adams RH, Petrash JM, Chen Z, Junge HJ Tags: Arterioscler Thromb Vasc Biol Source Type: research