Abstract
Antigens derived from Trichinella spiralis were used to challenge, in vitro, sensitized jejunum from infected guinea-pigs while monitoring ion transport properties of the tissue. Antigen challenge resulted in dose-dependent increases in trans-epithelial electrical potential difference and short circuit current. Both antigen-stimulated electrical alterations and Schultz-Dale contractions were demonstrated in small intestinal tissue after the passive transfer of immune serum containing anti-trichinella homocytotropic antibodies.
MeSH Terms
Anaphylaxis/immunology
Animals
Antigens, Helminth/immunology
Dose-Response Relationship, Immunologic
Electric Conductivity
Guinea Pigs
Hypersensitivity, Immediate
Immune Sera/immunology
Immunization, Passive
Intestinal Mucosa/immunology,physiopathology
Intestine, Small/immunology
Male
Membrane Potentials
Ovalbumin/immunology
Passive Cutaneous Anaphylaxis
Trichinellosis/immunology,physiopathology
Chemicals
Antigens, Helminth
Immune Sera
Ovalbumin
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Russell D A
Castro G A
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