Abstract
Congenic Bcgr (C.D2, resistant) and Bcgs (BALB/c, susceptible) mice were infected intravenously with Mycobacterium bovis (BCG, strain Montreal) in order to establish the relationship between different indicators of the cell-mediated immune response and the bacterial load attained in the host. There was a correlation between the bacterial burden and the splenomegaly response, granuloma formation in the liver and cross-protection against an heterologous pathogen (Listeria monocytogenes) in Bcgr and Bcgs mice. No relationship was found between bacterial load or granuloma formation and the development of specific acquired protection against an homologous organism (BCG or M. tuberculosis, H37Rv) as assessed by the level of resistance attained in BCG-primed mice challenged with virulent H37Rv or by the adoptive immunity conferred by BCG-primed spleen cells transferred to naïve irradiated recipients challenged with BCG.
MeSH Terms
Animals
Disease Susceptibility
Hypersensitivity, Delayed/immunology
Immunity, Cellular
Immunity, Innate
Immunization, Passive
Listeriosis/prevention & control
Male
Mice
Mice, Inbred BALB C
Mycobacterium bovis
Spleen/microbiology
Tuberculin/immunology
Tuberculosis/immunology,microbiology,prevention & control
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Bourassa D
Forget A
Pelletier M
Skamene E
Turcotte R
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