Abstract:The most common route of transmission of HIV is via the mucosa. We compared human and macaque intestinal epithelia to determine whether the SIV macaque system can be used as a model to study HIV transmission by the rectal route. The overall morphology of the macaque gut mucosa is very similar to that of humans. Differentiation markers follow the same pattern as in the human system. The carcinoembryonic antigen (CEA) is apical in epithelial cells of the rectum and is absent from the small intestine. Blood group… Show more
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