A majority of Zn(2+) release occurred in the 4 h immediately following cell exposure to ZnSO(4). Zn(2+) uptake after 4 and 8 h of exposure to zinc sulfate was concentration- and time-dependent. We describe zinc uptake and release by respiratory epithelial cells and test the postulate that Zn(2+) transport interacts with iron homeostasis in these same cells.
Zinc transport by respiratory epithelial cells and interaction with iron homeostasis.ĭeng, Zhongping Dailey, Lisa A Soukup, Joleen Stonehuerner, Jacqueline Richards, Judy D Callaghan, Kimberly D Yang, Funmei Ghio, Andrew Jĭespite recurrent exposure to zinc through inhalation of ambient air pollution particles, relatively little information is known about the homeostasis of this metal in respiratory epithelial cells.
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