Pathogenesis of rotavirus infection in mice.
AUTOR(ES)
Little, L M
RESUMO
Three parameters of rotavirus infection, i.e., clinical disease, viral antigen in infected intestines, and infectious virus in feces, were assessed in infant mice nursed by mothers with or without preexisting rotavirus antibody. Diarrhea was the only consistent sign of clinical disease, and its course followed that of infection by about 1 day. Infected intestinal epithelial cells, except crypt cells, were observed by immunofluorescence microscopy in the duodenum, jejunum, ileum, and colon. Infection progressed in a proximal-to-distal direction with time. Viral antigen appeared in intestinal tissue later, was present in lower amounts, and disappeared sooner from infants nursed by mothers with preexisting rotavirus antibody, indicating that protection was passively transferred to these infants although the course of clinical disease was not changed.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=347802Documentos Relacionados
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