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Iron uptake by human upper small intestine microvillous membrane vesicles. Indication for a facilitated transport mechanism mediated by a membrane iron-binding protein.
To investigate the hypothesis that iron absorption in man involves a carrier-mediated cellular uptake mechanism, influx velocity (Vo) of 59Fe3+ by isolated human microvillous membrane (MVM) vesicles of the upper small intestine was examined. Vo revealed saturation kinetics (Km = 315 nM; Vmax = 361 p...
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| Autori principali: | , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
1990
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC329855/ https://ncbi.nlm.nih.gov/pubmed/2254464 |
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