Article ID Journal Published Year Pages File Type
3065716 Journal of Neuroimmunology 2006 11 Pages PDF
Abstract

This study investigated cannabinoid receptor-mediated regulation of brain and peripheral cytokines in vivo. The cannabinoid receptor agonist, HU210 attenuated lipopolysaccharide (LPS)-induced increases in IL-1β and TNFα in rat brain and IL-1β, TNFα, IL-6 and IFNγ in plasma. The CB1 receptor antagonist, SR141716A, attenuated the immunosupressive effects of HU210 on IL-1β, but not TNFα. SR141716A or the CB2 receptor antagonist, SR144528, alone attenuated LPS-induced cytokine increases. LPS and/or cannabinoids also reduced circulating lymphocyte numbers and increased corticosterone levels. These data provide evidence for modulation of pro-inflammatory cytokines in vivo by cannabinoid receptors and inform the development of cannabinoids for neuroinflammatory disorders.

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