Direct evidence for pH-dependent Fc receptors on proximal enterocytes of suckling rat gut.
By means of an erythrocyte-antibody rosette technique, Fc receptors, functional at pH 6.0 but not at 7.2, were shown to be present on enterocytes isolated from duodenum and jejunum (but absent from ileum) of 12-20-day-old suckling rats.
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