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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of medicinal chemistry 24 (1981), S. 756-759 
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Inflammation research 39 (1993), S. C55 
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effects of SK&F 86002 and other pyridinyl imidazole compounds on murine cytokine production were investigated.In vitro, SK&F 86002 inhibited LPS stimulated TNF-α production by the RAW 264.7 cell line and by oil elicited peritoneal macrophages with an IC50 of 5μM. In general, the activity was reflective of previous results obtained with human monocytes as SK&F 86002 and its analogs demonstrated identical rank order potency for TNF-α inhibition in both species. These compounds also inhibited TNF-αin vivo in a murine model of endotoxin shock. Following oral administration, SK&F 86002 and its analogs reduced serum TNF-α levels by 〉80% and afforded 100% protection from lethality. In contrast, tenidap, a novel anti-inflammatory drug, had minimal to no effect on murine TNF-α production in the same assays. These data further extend the pharmacological profile of the pyridinyl imidazoles by demonstrating that these compounds potently inhibit murine TNF-α production bothin vitro andin vivo.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-2576
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The mode of action of the dual inhibitors of eicosanoid metabolism, SK&F 86002 and SK&F 104493 was evaluated on inflammatory cell infiltration induced in mice by carrageenan, monosodium urate crystals, and arachidonic acid. The results were compared to those seen with standard antiinflammatory compounds. Inflammatory cell infiltration was inhibited by SK&F 86002, SK&F 104493, colchicine, and phenidone but not naproxen. In vivo, PMN infiltration induced by LTB4 was inhibited by colchicine but not by SK&F 86002, SK&F 104493, or phenidone treatment. Similarly, in vitro chemotaxis to LTB4 was not inhibited by SK&F 86002. The 5-lipoxygenase inhibitors, SK&F 86002, SK&F 104493, and phenidone inhibited LTB4 production in vivo as well as inflammatory cell infiltration induced by arachidonic acid. The data are consistent with the suggestion that the bicyclic imidazoles inhibit PMN infiltration by virtue of inhibition of LTB4 production.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-2576
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Leukotriene induction of the fluid and cellular phases of the inflammatory response in the mouse was evaluated. Intraperitoneal injection of leukotriene C4 (LTC4 250 ng) led to dye extravasation but not polymorphonuclear leukocyte (PMN) infiltration, whereas injection of leukotriene B4 (LTB4 250 ng), led to PMN infiltration but not dye extravasation. The injection of both leukotrienes did not result in synergy. LTC4 did not appear to induce significant release or formation of chemotactic mediators, but the dye extravasation induced by LTC4 was inhibited by the vasoactive amine antagonist cyproheptadine and not by the eicosanoid inhibitors phenidone or naproxen. The response was markedly inhibited by the cytokine and eicosanoid inhibitors SK&F 86002 and SK&F 104493. PMN infiltration induced by LTB4 was not inhibited by SK&F 86002 or phenidone but was abrogated by colchicine treatment. LTB4 in this model did not appear to cause release or formation of vasoactive mediators. These leukotrienes appeared to be independent, complementary, and sufficient to mount a complete inflammatory response in the mouse.
    Type of Medium: Electronic Resource
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