Granulomatous hypersensitivity and antibody production in response to antigens of Capillaria hepatica eggs |
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Authors: | Richard Raybourne Gene B. Solomon |
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Affiliation: | Department of Tropical Medicine and Medical Microbiology, University of Hawaii, School of Medicine, Honolulu, HI U.S.A. |
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Abstract: | Soluble egg antigens of Capillaria hepatica were fractionated by gel filtration chromatography into two major protein peaks of 300,000 and 14,000 mol.wt. The unfractionated antigen and both peaks were capable of sensitizing mice to produce quantitatively larger liver granulomas upon experimental innoculation of eggs; the increase in granuloma size was related to the amount of antigen used to sensitize. The antibody response in C. hepatica infected mice was primarily directed toward the high molecular weight components. Comparison of these findings with those reported for the Schistosoma mansoni egg granuloma suggests a diversity in the mechanisms of granuloma formation among helminth parasites. |
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Keywords: | granuloma formation antigen analysis antibody response |
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