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  • Title: Lethal and non-lethal course of endotoxic shock is determined by interactions between tumor necrosis factor, platelet activating factor and eicosanoids.
    Author: Mozes T, Ben-Efraim S, Bonta IL.
    Journal: Pathol Biol (Paris); 1992 Oct; 40(8):807-12. PubMed ID: 1484741.
    Abstract:
    Continuous lipopolysaccharide (LPS) infusion in pigs induced death in approximately half of the animals and a prolonged state of shock (up to 3 hours of experimental observation period, i.e., two hours after discontinuation of LPS infusion) in the surviving animals. Lethal-induced shock was marked by huge release of Tumor Necrosis Factor (TNF) into the blood, whereas eicosanoid and Platelet Activating Factor (PAF) levels remained unchanged. In pigs surviving LPS-infusion but still remaining in a state of shock, transient increases in PAF and thromboxane levels were observed, whereas prostacyclin and leukotrienes values remained above normal levels up to the end of the observation period. It is concluded that different types of mediators play a role in LPS-induced lethal shock as compared to non-lethal prolonged state of shock.
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