Studies on phagocytosis. II. The effect of nonsteroidal anti-inflammatory drugs on phagocytosis and on urate crystal-induced canine joint inflammation.

Phenylbutazone, indomethacin, sodium salicylate, gold sodium thiomalate and chloroquine were found to suppress polymorphonuclear leukocyte phagocytosis of starch granules in vitro . The threshold concentrations of these drugs at which activity was noted in the in vitro system were compared with plasma levels achieved in man under normal therapeutic doses. It was concluded that suppression of phagocytic function may be involved in the mechanism of action of these drugs. Indomethacin, phenylbutazone and acetylsalicylic acid were shown to suppress urate crystal-induced canine joint inflammation. The manner in which these compounds influenced the inflammatory response in vivo indicated a direct action on leukocytes, either by inhibition of phagocytosis or by interfering with inflammatory processes subsequent to the phagocytic event such as stabilization of phagolysosomes.

• Publication year

  1972

• Venue

  Journal of Pharmacology and Experimental Therapeutics

• Publication date

  1972-10-01

• Fields of study

  Medicine, Chemistry

• Identifiers
  DOI 10.1016/s0022-3565(25)29333-8PMID 4562621
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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