| Literature DB >> 6411609 |
Abstract
Excretory/secretory (ES) antigen of Toxocara canis larvae was isolated from the culture medium of second-stage larvae by gel filtration. The antigen induced production of not only IgM or IgG but also IgE antibody. The antigen, when treated with guanidine hydrochloride and 2-mercaptoethanol, lost its allergenic activity but retained an ability to induce IgM or IgG antibody. Purified antigen was of glycoprotein nature and had a molecular weight of 35,000. The whole antigen showed a cross-reaction with the serum from Ascaris suum-infected mice. The antigen did not contain phosphorylcholine as a structural component.Entities:
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Year: 1983 PMID: 6411609 PMCID: PMC1454224
Source DB: PubMed Journal: Immunology ISSN: 0019-2805 Impact factor: 7.397