The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
Term:
increased susceptibility to type I hypersensitivity reaction
greater likelihood of developing a response manifested by localized or generalized reaction that occurs immediately (minutes) after exposure to an antigen to which the person/animal was previously sensitized; it is IgE-mediated, and mast cell activation and degranulation are hallmarks
Comment:
Examples of this type of hypersensitivity include hay fever, asthma, and anaphylaxis.
Synonyms:
exact_synonym:
decreased resistance to anaphylactic shock; decreased resistance to anaphylaxis; decreased resistance to immediate type hypersensitivity; decreased resistance to type I hypersensitivity reaction; increased susceptibility to allergic response; increased susceptibility to anaphylactic shock; increased susceptibility to anaphylaxis; increased susceptibility to immediate type hypersensitivity