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10.18632/aging.202500

http://scihub22266oqcxt.onion/10.18632/aging.202500
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33465050!7880317!33465050
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suck abstract from ncbi


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pmid33465050      Aging+(Albany+NY) 2021 ; 13 (2): 1571-1590
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  • Fighting the storm: could novel anti-TNFalpha and anti-IL-6 C sativa cultivars tame cytokine storm in COVID-19? #MMPMID33465050
  • Kovalchuk A; Wang B; Li D; Rodriguez-Juarez R; Ilnytskyy S; Kovalchuk I; Kovalchuk O
  • Aging (Albany NY) 2021[Jan]; 13 (2): 1571-1590 PMID33465050show ga
  • The main aspects of severe COVID-19 disease pathogenesis include hyper-induction of proinflammatory cytokines, also known as 'cytokine storm', that precedes acute respiratory distress syndrome (ARDS) and often leads to death. COVID-19 patients often suffer from lung fibrosis, a serious and untreatable condition. There remains no effective treatment for these complications. Out of all cytokines, TNFalpha and IL-6 play crucial roles in cytokine storm pathogenesis and are likely responsible for the escalation in disease severity. These cytokines also partake in the molecular pathogenesis of fibrosis. Therefore, new approaches are urgently needed, that can efficiently and swiftly downregulate TNFalpha, IL-6, and the inflammatory cytokine cascade, in order to curb inflammation and prevent fibrosis, and lead to disease remission. Cannabis sativa has been proposed to modulate gene expression and inflammation and is under investigation for several potential therapeutic applications against autoinflammatory diseases and cancer. Here, we hypothesized that the extracts of novel C. sativa cultivars may be used to downregulate the expression of pro-inflammatory cytokines and pathways involved in inflammation and fibrosis. Initially, to analyze the anti-inflammatory effects of novel C. sativa cultivars, we used a well-established full thickness human 3D skin artificial EpiDermFTTM tissue model, whereby tissues were exposed to UV to induce inflammation and then treated with extracts of seven new cannabis cultivars. We noted that out of seven studied extracts of novel C. sativa cultivars, three (#4, #8 and #14) were the most effective, causing profound and concerted down-regulation of COX2, TNFalpha, IL-6, CCL2, and other cytokines and pathways related to inflammation and fibrosis. These data were further confirmed in the WI-38 lung fibroblast cell line model. Most importantly, one of the tested extracts had no effect at all, and one exerted effect that may be deleterious, signifying that careful cannabis cultivar selection must be based on thorough pre-clinical studies. The observed pronounced inhibition of TNFalpha and IL-6 is the most important finding, because these molecules are currently considered to be the main targets in COVID-19 cytokine storm and ARDS pathogenesis. Novel anti-TNFalpha and anti-IL-6 cannabis extracts can be useful additions to the current anti-inflammatory regimens to treat COVID-19, as well as various rheumatological diseases and conditions, and 'inflammaging' - the inflammatory underpinning of aging and frailty.
  • |*COVID-19/complications[MESH]
  • |*Cannabis[MESH]
  • |*Cytokine Release Syndrome[MESH]
  • |Anti-Inflammatory Agents/pharmacology[MESH]
  • |Cannabinoids/pharmacology[MESH]
  • |Cell Line[MESH]
  • |Fibroblasts/drug effects[MESH]
  • |Humans[MESH]
  • |Inflammation/virology[MESH]
  • |Interleukin-6/*antagonists & inhibitors[MESH]
  • |Plant Extracts/*pharmacology[MESH]
  • |SARS-CoV-2[MESH]
  • |Skin/drug effects[MESH]
  • |Tissue Culture Techniques[MESH]


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