Abstract

Reaginic sera from patients with atopic allergy to various atopens were shown to confer passive sensitivity upon the skins of higher primates (Anthropoidea) and upon the lorisiforme and lemuriforme Prosimii. Of the Prosimii, Galago crassicaudatus was found to be most suitable for allergic serum transfer studies. Human allergic sera failed to sensitize the skin of the primate-like insectivore, Tupaia glis (tree shrew). Representative species of orders Carnivora, Ungulata, Lagomorpha, Rodentia, Marsupialia, and Microchiroptera failed to accept passive sensitization by human reaginic sera. Acceptance of passive skin sensitization by human atopic reagin may be an ordinally specific characteristic limited to the primates.

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