Immunopharmacological studies of sodium copper chlorphyllin (SCC).

Effect of sodium copper chlorophyllin (SCC) on experimental allergic reaction was investigated. IgE antibody mediated reactions, homologous passive cutaneous anaphylaxis (PCA) in rats and the release of anaphylactic mediators (histamine and/or slow reacting substance of anaphylaxis (SRS-A] from sensitized guinea pig lung tissues or rat peritoneal mast cells classified as a Type I reaction were clearly inhibited by SCC at a similar potency as N-(3',4'-dimethoxy cinnamoyl) anthranilic acid (N-5'). The increase of vascular permeability in rat skin caused by autacoids or enzymes that participate in the Type I reaction was also inhibited by SCC. Type II or III, complement dependent, reactions including reversed cutaneous anaphylaxis (RCA) in rats and Forssman cutaneous vasculitis (FCV) in guinea pigs were inhibited by SCC. Prednisolone inhibited RCA in rats, but did not inhibit FCV in guinea pigs. Two experimental types of glomerulonephritis, nephrotoxic serum (NTS) nephritis in rats and immune complex nephritis in (NZW X NZB) F1 mice, in which Type II and III reactions might participate in the onset and the development of the disease, were slightly inhibited by SCC in terms of the biochemical changes of blood and urine parameters and histopathological scores. A moderate remission of the onset and development of these two experimental types of nephritis was recognized by the administration of prednisolone. Delayed hypersensitivity reaction as a Type IV reaction caused by sheep red blood cells (SRBC) in sensitized mouse footpad was not affected by SCC. Prednisolone clearly inhibited the SRBC induced footpad reaction in mice. IgM antibody production in mice and IgE antibody production in rats were not influenced by daily injection of SCC.
AuthorsH Nagai, T Nishiyori, M Daikoku, A Koda
JournalJapanese journal of pharmacology (Jpn J Pharmacol) Vol. 33 Issue 4 Pg. 819-28 (Aug 1983) ISSN: 0021-5198 [Print] JAPAN
PMID6195383 (Publication Type: Journal Article)
Chemical References
  • Chlorophyllides
  • Immunoglobulin M
  • SRS-A
  • Superoxides
  • Chlorophyll
  • chlorophyllin
  • Prednisolone
  • Animals
  • Antibody Formation
  • Capillary Permeability (drug effects)
  • Chlorophyll (analogs & derivatives)
  • Chlorophyllides (pharmacology)
  • Guinea Pigs
  • Hemolysis (drug effects)
  • Histamine Release (drug effects)
  • Hypersensitivity (immunology)
  • Immunoglobulin M (biosynthesis)
  • Male
  • Mice
  • Passive Cutaneous Anaphylaxis (drug effects)
  • Prednisolone (pharmacology)
  • Rats
  • Rats, Inbred Strains
  • SRS-A (metabolism)
  • Superoxides (metabolism)

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