PMID: 326963Jul 1, 1977Paper

Strain variation in BCG-induced chronic pulmonary inflammation in mice. I. Basic model and possible genetic control by non-H-2 genes

The Journal of Immunology : Official Journal of the American Association of Immunologists
E M AllenJ O Stevens

Abstract

C57BL/6 mice (haplotype H-2b) responded in a dose-dependent fashion to killed BCG by marked enlargement of the spleen and lung. Neither CBA nor C3H mice (haplotype H-2k) responded to such treatment. Pulmonary inflammation in responder B6 animals was characterized by a marked chronic interstitial and alveolar granulomatous process, and was accompanied by occasional granulomata, hyperemia, and loss of architecture in the spleen. Inflammation in non-responder CBA and C3H animals was minimal in both the lung and spleen. The response does not appear to be controlled by genes within the major histocompatibility complex, but is associated with a C57 background. B10.BR mice (responder background, H-2k) were responder animals and C3H.SW mice (nonresponder background, H-2b) were nonresponders. In addition, all animals tested with a C57 background were responders even though two of these strains were not H-2b (C57BL/Ks, H-2d and C57Br/cd, H-2k). The resolution of the mechanism of genetic control of this response in mice may provide information relevant to possible genetic control of chronic pulmonary inflammation in man.

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