The numbers of IgA-, IgG- and IgM-containing plasma cells in the lamina propria of duodenum, jejunum, ileum, and coecum were quantitated in 3 patients suffering from lymphocytic plasmacytic enteritis and 3 normal control dogs. A great increase was found in all 3 types of plasma cells and at all levels of the intestinal tract. Especially the IgG-containing cells showed a remarkable increase particularly in 2 patients. The possible reasons for these heavy infiltrations of immunologically competent cells are discussed, and chronic antigenic stimulations of food origin is suggested.
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| http://dx.doi.org/10.1186/BF03546984 | DOI Listing |
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