NDLI: Experimental Angiostrongylus costaricensis infection in mice: immunoglobulin isotype responses and parasite-specific antigen recognition after primary low-dose infection

Content Provider	Springer Nature Link
Author	Geiger, Stefan M. Graeff Teixeira, Carlos Soboslay, Peter T. Schulz Key, Hartwig
Copyright Year	1999
Abstract	Immunoglobulin isotype responses and parasite-specific antigen recognition were investigated in experimental Angiostrongylus costaricensis infection in two different mouse strains. Even in a low-dose infection with third-stage larvae (L3), BALB/c mice showed high mortality until 28 days postinfection (p.i.) in association with a low patency rate in surviving animals. On the other hand, low mortality and a high rate of patent infection was observed in C57BL/10 mice. Parasite-specific IgM, total IgG, and IgG subclasses against crude adult-worm antigen (AcAg) rose in both groups of mice from day 14 onward, with IgG and IgG1 being significantly elevated in BALB/c mice at 21 and 28 days p.i., respectively. For total IgE, significantly elevated concentrations were detected at 14 days p.i. in BALB/c mice as compared with C57BL/10 mice. A. costaricensis-specific antigen recognition by total IgG, IgG1, or IgG2a was similar in both mouse strains, intensifying from 3 to 4 weeks p.i., with recognition of immunodominant AcAg ranging between 80 and 210 kDa. This study provides evidence that in BALB/c and C57BL/10 mice, immunoglobulins, with the possible exception of IgE and IgG1, do not decisively contribute to the outcome of a primary A. costaricensis infection with respect to immunopathogenesis or parasite permissiveness.
Starting Page	200
Ending Page	205
Page Count	6
File Format	PDF
ISSN	09320113
Journal	Parasitology Research
Volume Number	85
Issue Number	3
e-ISSN	14321955
Language	English
Publisher	Springer-Verlag
Publisher Date	1999-01-11
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Veterinary Parasitology Insect Science

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