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자료유형
학술저널
저자정보
Bressler, Joseph P. (Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University, Kennedy-Krieger Institute) Olivi, Luisa (Kennedy-Krieger Institute) Kim, Yong-Bae (Department of Preventive Medicine, Soonchunhyang University) Bannon, Desmond (US Army, Aberdeen Proving Ground) Ko, Hong-Sook (Department of Pharmacy, Sahmyook University) Cheong, Jae-Hoon (Department of Pharmacy, Sahmyook University)
저널정보
한국응용약물학회 The journal of applied pharmacology : the official journal of the Korean Society of Applied Pharmacology The journal of applied pharmacology : the official journal of the Korean Society of Applied Pharmacology 제13권 제1호
발행연도
2005.1
수록면
1 - 6 (6page)

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Lead and cadmium are potent environmental toxicants that affect populations living in Europe. Americas, and Asia. Identifying transporters for lead and cadmium could potentially 1 help us better understand possible risk factors. The iron transporter, divalent metal transporter 1 (DMT1), mediates intestinal transport of cadmium, and lead in yeast and fobroblasts overexpressing DMT1. In human intestinal cells knocking down expression of DMT1 attenuated uptake of cadmium and iron but not lead. A possible explanation is the expression of a second transporter for lead in intestine. In astrocytes, however, DMT1 appears to transport lead in an extracellular buffer at pH value. At neutral pH, transport was not mediated by DMT1 but rather by a transporter that is stimulated by bicarbonate and inhibited by 4,4'-diisothiocyanatodihydrostilbene-2,2'-disulfonic acid. The identity of this lead transporter will beverified by future study.

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