Summary
Arthüs phenomenon was induced in 42 rabbits by the classical method. ACTH (10–20 units) was injected into 33 of them before the injection of the booster dose of horse serum, as well as beginning from the 3rd–4th administration of sensitizing doses. In the majority of experiments Arthüs phenomenon did not develop at all, or was much weaker than in control animals.
The second group of experiments dealt with the cellular composition of the exudate in rats in experimental aseptic peritonitis caused by injecting sterile broth into the peritoneal cavity. Experimental results demonstrated that in animals which received ACTH (2.5 units) prior to broth injection the exudate was of thicker consistency and its cellular composition differed from control. Neutrophil percentage was much lower and lymphocytic phase occurred much earlier.
The data obtained indicates the effect of ACTH both on the manifestation of allergic inflammation and on the exudative reaction during usual inflammation.
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Mikhailova, E.M. The effect of ACTH on the development of the athüs phenomenon and on the morphological composition of the inflammatory exudate. Bull Exp Biol Med 55, 521–522 (1964). https://doi.org/10.1007/BF00784407
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DOI: https://doi.org/10.1007/BF00784407