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The ability of intestinal mucosa to absorb dietary ferric iron is attributed to the presence of a brush-border membrane reductase activity that displays adaptive responses to iron status. We have isolated a complementary DNA, Dcytb (for duodenal cytochrome b), which encoded a putative plasma membrane di-heme protein in mouse duodenal mucosa. Dcytb shared(More)
Uptake of 59Fe from blood into brains of anaesthetized rats and mice has been studied by intravenous infusion of [59Fe]ferrous ascorbate or of 59Fe-transferrin, the results not being significantly different. Uptakes in the rat were linear with time, but increased at longer times in the mouse. Transfer constants, K(in) (in ml/g/h x 10(3)), for cerebral(More)
BACKGROUND The incidence, manifestations, outcome and clinical predictors of paradoxical TB-IRIS in patients with HIV and culture confirmed pulmonary tuberculosis (PTB) in India have not been studied prospectively. METHODS HIV+ patients with culture confirmed PTB started on anti-tuberculosis therapy (ATT) were followed prospectively after anti-retroviral(More)
The hypotransferrinemic mouse (trf (hpx)) is a mutant strain exhibiting transferrin deficiency, marked anemia, hyperabsorption of iron, and elevated hepatic iron stores. We set out to investigate the relative roles of anemia and of transferrin in the malregulation of intestinal iron absorption in these animals. Transfusion of erythrocytes obtained from(More)
The wet weight of the stomach, small intestine, caecum, and colon were significantly reduced (p less than 0.001) in intravenously fed rats compared with orally fed controls. Human epidermal growth factor (urogastrone) reversed this atrophy. Detailed analysis of the small intestine showed a similar effect on intestinal crypt cell population, mitoses per(More)
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