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Int J Mol Sci ; 22(21)2021 Oct 21.
Article in English | MEDLINE | ID: covidwho-1480798

ABSTRACT

Disseminated intravascular coagulation (DIC) is a severe condition characterized by the systemic formation of microthrombi complicated with bleeding tendency and organ dysfunction. In the last years, it represents one of the most frequent consequences of coronavirus disease 2019 (COVID-19). The pathogenesis of DIC is complex, with cross-talk between the coagulant and inflammatory pathways. The objective of this study is to investigate the anti-inflammatory action of ultramicronized palmitoylethanolamide (um-PEA) in a lipopolysaccharide (LPS)-induced DIC model in rats. Experimental DIC was induced by continual infusion of LPS (30 mg/kg) for 4 h through the tail vein. Um-PEA (30 mg/kg) was given orally 30 min before and 1 h after the start of intravenous infusion of LPS. Results showed that um-PEA reduced alteration of coagulation markers, as well as proinflammatory cytokine release in plasma and lung samples, induced by LPS infusion. Furthermore, um-PEA also has the effect of preventing the formation of fibrin deposition and lung damage. Moreover, um-PEA was able to reduce the number of mast cells (MCs) and the release of its serine proteases, which are also necessary for SARS-CoV-2 infection. These results suggest that um-PEA could be considered as a potential therapeutic approach in the management of DIC and in clinical implications associated to coagulopathy and lung dysfunction, such as COVID-19.


Subject(s)
Amides/therapeutic use , Blood Coagulation Disorders/drug therapy , Disseminated Intravascular Coagulation/drug therapy , Ethanolamines/therapeutic use , Palmitic Acids/therapeutic use , Sepsis/complications , Amides/chemistry , Amides/pharmacology , Animals , Blood Coagulation Disorders/etiology , COVID-19/pathology , COVID-19/virology , Cytokines/blood , Cytokines/metabolism , Disease Models, Animal , Disseminated Intravascular Coagulation/etiology , Ethanolamines/chemistry , Ethanolamines/pharmacology , Fibrin Fibrinogen Degradation Products/metabolism , Lipopolysaccharides/toxicity , Lung/metabolism , Lung/pathology , Male , Mast Cells/cytology , Mast Cells/drug effects , Mast Cells/metabolism , Palmitic Acids/chemistry , Palmitic Acids/pharmacology , Partial Thromboplastin Time , Prothrombin Time , Rats , Rats, Sprague-Dawley , SARS-CoV-2/isolation & purification , Sepsis/pathology , Serine Proteases/metabolism
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