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Figure 1 .
Human small intestinal mucosa. Arrowheads show apposition of the PrPc positive nerve fibres to lymphoid and epithelial cells; arrow indicates a cell showing the characteristics of an enteroglial cell. 3F4 monoclonal antibody immunohistochemistry, avidin:biotinylated enzyme complex/alkaline phosphatase with nitroblue tetrazolium/5-bromo-4-chloro-3-indolyl phosphate as substrate. Nuclei were stained with neutral red. Scale bar represents 50 µm (originally published in Nat Med 2000;6:840-1).
Selected References
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