ArticleAgents and actions1993
Piroxicam-copper complexes: inhibition of polymorphonuclear leukocyte migration to Pseudomonas aeruginosa chemotactins in vivo and superoxide dismutase-like activity in vitro.
Article in Agents and actions, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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0 citing papers in PubMed, 3 citations in OpenAlex.
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Authors and funding
3 authors at 1 institution in 1 country.
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Abstract
Piroxicam-copper (Cu2+) complexes, formed spontaneously by mixing solutions of piroxicam and CuSO4 (1:1 Cu2+:piroxicam), inhibited the superoxide anion-catalyzed reduction of ferricytochrome C in a dose-related fashion. Addition of ethylenediaminetetraacetate to the mixture decreased in a dose-related manner the superoxide dismutase (SOD)-like activity of piroxicam-Cu2+. Piroxicam alone (10(-5) M, final concentration) did not display SOD-like activity but 10(-5) M Cu2+ exhibited significant activity, similar to that of piroxicam-Cu2+. Intraperitoneal treatment of mice with either 0.64 mg/kg piroxicam or its Cu2+ complexes (0.64 mg/kg piroxicam + 0.12 mg/kg Cu2+) was equally effective in diminishing both the migration of polymorphonuclear leukocytes (PMNL) to the airways and the content of myeloperoxidase activity in the lungs, induced by aerosol challenge with Pseudomonas aeruginosa peptide chemotactins. Therefore, piroxicam-Cu2+ complexes may provide both the anti-inflammatory activity of piroxicam plus the SOD-like activity of Cu2+.
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