Browsing by Author "Nunez, Sarah"
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Nunez, Sarah; Gaete Gaete, María Cecilia; Watkins,; Glass, Larry (1990)The factors necessary to dissociate iron from transferrin in endocytic vesicles and to mobilize the iron across the vesicle membrane were studied in a preparation of endocytic vesicles markedly enriched in transferrin-transferrin ...
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Nunez, Sarah; Alvarez Alvarez, Miguel Adrián; Smith, Pamela; Tapia Tapia, Alejandra; Glass, Larry (1994)Caco-2 cells were used as a model of human intestinal epithelium to investigate the role of redox systems in transepithelial transport of 59Fe3+. The cells reduced Fe3+ present in the apical medium; the reduction was 50% ...
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Nunez, Sarah; Escobar, S.; Ahumada,; Gonzalez-Sepulveda, (1992)Sealed right-side-out reticulocyte ghosts transported and accumulated iron offered as 59Fe2+-ascorbate (K(m) = 1.1 μM). The uptake of iron by ghosts presented the characteristics of a transporter-mediated process: it ...