Abstract:After rats were orally administrated with bovine serum albumin (BSA) for 14, 30 and 90 days, we examined the localization of the absorbed intact BSA immunohistologically and the production of the antibody against the absorbed BSA in the intestine.Light microscopical sections with hematoxylin-eosin (H-E) stain, as compared with normal intestine, revealed an increased number of disrupted goblet cells and extended macrophages in the lamina propria.By the immunofluorescent method, intact BSA absorbed by the intest… Show more
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