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. 1979 Mar;23(3):582–586. doi: 10.1128/iai.23.3.582-586.1979

Protection of cotton rats against experimental Echinococcus multilocularis infections with BCG cell walls.

J M Reuben, C E Tanner, V Portelance
PMCID: PMC414205  PMID: 378829

Abstract

Previous works has indicated that cotton rats treated with Mycobacterium bovis strain BCG are effectively protected against an infection with the metastatically proliferating metacestodes of Echinococcus multilocularis. In an attempt to induce a similar protection in the absence of tubercular granulomatous lesions, cotton rats were treated with BCG cell walls. A single injection of 150 micrograms of cell walls, emulsified in mineral oil-Tween-saline, 2 weeks before the inoculation of the parasite completely protected the animals against infection with E. multilocularis. This protection was correlated with an increase in the numbers of monocytes and, as judged by acid phosphatase activity, an activation of these cells. This study shows that BCG cell walls are as effective in protecting animals against E. multilocularis as the viable organism.

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Selected References

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