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. 1990 Jun;58(6):1848–1852. doi: 10.1128/iai.58.6.1848-1852.1990

A domestic ferret model of immunity to Campylobacter jejuni-induced enteric disease.

J A Bell 1, D D Manning 1
PMCID: PMC258734  PMID: 2341180

Abstract

Oral or intravenous inoculation of previously unexposed juvenile and adult ferrets with Campylobacter jejuni uniformly resulted in intestinal colonization lasting 2 to 12 days. Disease varied from mild to moderate diarrhea, which resolved in 2 to 3 days. Orally infected animals developed agglutinin titers of 8 to 256 within 3 weeks, while those infected intravenously developed titers of 256 to 2,048. Ferrets which had recovered from campylobacteriosis all developed high titers of agglutinating and bacterial antibodies but were readily colonized by subsequent oral inoculation with the same strain of C. jejuni. Orally infected ferret kits 3 to 6 weeks of age exhibited the same general pattern of infection and disease as adults, but diarrhea was somewhat more severe. Kits resolved their diarrhea in 1 to 6 days and developed agglutinin titers in serum of 16 to 32 within 3 weeks. A series of five oral or rectal inoculations of kits during the 5- to 9-week age interval resulted in progressively shorter clearance times and eventual strain-specific resistance against infection, as well as disease. Gnotobiotic adults showed the same pattern of strain-specific accelerated clearance and resistance to disease. Kits born to immune dams with high levels of whey antibodies had passively acquired serum agglutinin titers of 256 to 2,048. These kits showed no resistance to colonization with the homologous strain of C. jejuni but were completely refractory to diarrhea. These observations suggest that (i) some form(s) of specific immunity, rather than factors relating solely to age or normal flora, is responsible for resistance to C. jejuni colonization and disease production and (ii) humoral immunity at a level that does not prevent colonization can protect against enteric disease caused by this organism.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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