Intraocular IgE antibody induced in guinea pigs with Ascaris suum larvae. 1977

J J Donnelly, and J H Rockey, and E J Soulsby

The systemic and local (intraocular) IgE antibody responses to infective and heat-killed Ascaris suum larvae were examined in guinea pigs. IgE antibody, demonstrated by the 6-day P-K test, was found in anterior chamber fluid following primary intravitreal injection of live second-stage A. suum larvae and in some instances occurred when no serum P-K activity was demonstrable. No intraocular IgE antibody was induced by primary intravitreal injection of heat-killed larvae. A brisk intraocular and systemic IgE antibody response followed the secondary intravitreal injection of either live or heat-killed larvae into animals systemically infected with A. suum. The guinea pig system promises to be a useful model for studying the immunopathology of human ocular parasite infections.

UI MeSH Term Description Entries
D007073 Immunoglobulin E An immunoglobulin associated with MAST CELLS. Overexpression has been associated with allergic hypersensitivity (HYPERSENSITIVITY, IMMEDIATE). IgE
D007814 Larva Wormlike or grublike stage, following the egg in the life cycle of insects, worms, and other metamorphosing animals. Maggots,Tadpoles,Larvae,Maggot,Tadpole
D007815 Larva Migrans Infections caused by nematode larvae which never develop into the adult stage and migrate through various body tissues. They commonly infect the skin, eyes, and viscera in man. Ancylostoma brasiliensis causes cutaneous larva migrans. Toxocara causes visceral larva migrans. Creeping Eruption,Cutaneous Larva Migrans,Larva Migrans, Cutaneous,Larva Migrans, Ocular,Ocular Larva Migrans,Dew Itch,Ground Itch,Creeping Eruptions,Dew Itchs,Eruption, Creeping,Eruptions, Creeping,Ground Itchs,Itch, Dew,Itch, Ground,Itchs, Dew,Itchs, Ground
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005123 Eye The organ of sight constituting a pair of globular organs made up of a three-layered roughly spherical structure specialized for receiving and responding to light. Eyes
D005260 Female Females
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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