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Cytokine-induced meningitis is dramatically attenuated in mice deficient in endothelial selectins.
T Tang, … , D D Wagner, T N Mayadas
T Tang, … , D D Wagner, T N Mayadas
Published June 1, 1996
Citation Information: J Clin Invest. 1996;97(11):2485-2490. https://doi.org/10.1172/JCI118695.
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Research Article

Cytokine-induced meningitis is dramatically attenuated in mice deficient in endothelial selectins.

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Abstract

Leukocyte accumulation in cerebrospinal fluid and disruption of the blood-brain barrier are central components of meningitis and are associated with a poor prognosis. Genetically engineered deficiencies or functional inhibition of endothelial leukocyte adhesion receptors P-, or P- plus E-selectins, lead to deficits in leukocyte rolling and extravasation. However, their impact on meningeal inflammation has not been tested previously. An acute cytokine-induced meningitis model associated with significant cerebrospinal fluid leukocyte accumulation (averaging 14,000 leukocytes/microl as early as 4 h) and blood-brain barrier permeability was developed in adult mice. This model was applied to mice deficient in P-selectin and mice doubly deficient in P- and E-selectins. Partial inhibition of cerebrospinal fluid leukocyte influx and permeability was noted in P-selectin-deficient mice. Mice doubly deficient in P- and E-selectins displayed a near complete inhibition of these parameters. Our results suggest that P- and E-selectins cooperatively contribute to meningitis and that functional blocking of both endothelial selectins in conjunction with antibiotics may provide a therapeutic approach for treatment of bacterial meningitis.

Authors

T Tang, P S Frenette, R O Hynes, D D Wagner, T N Mayadas

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