In Vivo and In Vitro Studies of Delayed-Type Hypersensitivity to Toxoplasma gondii in Guinea Pigs-Reference-Cited by-同舟云学术

In Vivo and In Vitro Studies of Delayed-Type Hypersensitivity to Toxoplasma gondii in Guinea Pigs

Published:1971-02 Issue:2 Volume:3 Page:260-267
ISSN:0019-9567
Container-title:Infection and Immunity
language:en
Short-container-title:Infect Immun

Author:

Krahenbuhl J. L.¹,Blazkovec A. A.¹,Lysenko M. G.¹

Affiliation:

1. Department of Medical Microbiology, University of Wisconsin Medical School, Madison, Wisconsin 53706

Abstract

Delayed-type hypersensitivity develops late in the course of human toxoplasmosis, and a positive skin test is of some value for implicating chronic or eliminating acute forms of toxoplasmosis as a cause of disease. Toxoplasma-infected guinea pigs were studied to determine the onset and development of delayed-type hypersensitivity. Both the toxoplasmin skin test and the in vitro macrophage migration inhibition technique indicated that delayed hypersensitivity to toxoplasma antigen existed as early as 1 week after infection. The mechanism responsible for the observed inhibition of macrophage migration in vitro appeared to be an inhibitory factor(s) released from sensitized lymphoid cells in the presence of antigen.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

Link

https://journals.asm.org/doi/pdf/10.1128/iai.3.2.260-267.1971

Reference32 articles.

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