We have previously shown that the prophylactic treatment with cannabidiol (CBD) reduces inflammation in a model of acute lung injury (ALI). In this work we analyzed the effects of the therapeutic treatment with CBD in mice subjected to the model of lipopolysaccharide (LPS)-induced ALI on pulmonary mechanics and inflammation. CBD (20 and 80 mg/kg) was administered (i.p.) to mice 6 h after LPS-induced lung inflammation. One day (24 h) after the induction of inflammation the assessment of pulmonary mechanics and inflammation were analyzed. The results show that CBD decreased total lung resistance and elastance, leukocyte migration into the lungs, myeloperoxidase activity in the lung tissue, protein concentration and production of pro-inflammatory cytokines (TNF and IL-6) and chemokines (MCP-1 and MIP-2) in the bronchoalveolar lavage supernatant. Thus, we conclude that CBD administered therapeutically, i.e. during an ongoing inflammatory process, has a potent anti-inflammatory effect and also improves the lung function in mice submitted to LPS-induced ALI. Therefore the present and previous data suggest that in the future cannabidiol might become a useful therapeutic tool for the attenuation and treatment of inflammatory lung diseases.
Keywords: Cannabidiol; cannabinoids; inflammation; lipopolysaccharide; pulmonary mechanics.
This month, researchers from the University of Nebraska and the Texas Biomedical Research Institute are recommending more research into how cannabis-derived CBD might help treat dangerous lung inflammation from the novel coronavirus. The authors detailed the evidence for how cannabis’ anti-inflammatory powers may help in a peer reviewed article in this month’s issue of Brain, Behavior, and Immunity.
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NEW YORK, NEW YORK – MAY 05: A sign placed outside a CBD store in Murray Hill during the coronavirus . [+] pandemic on May 5, 2020 in New York City. (Photo by Noam Galai/Getty Images)
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Cannabis can be smoked in its raw form, or infused into tinctures like this one.