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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Effects of cannabinoid receptor ligands on LPS-induced pulmonary inflammation in mice.

The effects of cannabinoid receptor agonists WIN 55,212-2, delta9-tetrahydrocannabinol (delta9-THC), arachidonoylethanolamide (anandamide) and palmitoylethanolamide on lipopolysaccharide (LPS) -induced bronchopulmonary inflammation in mice were investigated. WIN 55,212-2 and delta9-THC induced a concentration-dependent decrease in TNF-alpha level in the bronchoalveolar lavage fluid (BALF) (maximum inhibition 52.7% and 36.9% for intranasal doses of 750 nmol x kg(-1) and 2.65 mmol x kg(-1), respectively). This effect was accompanied by moderately reduced neutrophil recruitment. Palmitoylethanolamide (750 nmol x kg(-1)) diminished the level of TNF-alpha in BALF by 31.5% but had no effect on neutrophil recruitment. Anandamide (7.5-750 nmol x kg(-1)) did not influence the inflammatory process but TNF-alpha level and neutrophil recruitment were decreased by 28.0% and 62.0%, respectively, with 0.075 nmol x kg(-1). These results demonstrate that the cannabinoid receptor ligands inhibited LPS- induced pulmonary inflammation and suggest that this effect could be at least in part mediated by the cannabinoid CB2 receptor.[1]


  1. Effects of cannabinoid receptor ligands on LPS-induced pulmonary inflammation in mice. Berdyshev, E., Boichot, E., Corbel, M., Germain, N., Lagente, V. Life Sci. (1998) [Pubmed]
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