Regulation of Vitamin C Homeostasis during Deficiency
AbstractLarge cross-sectional population studies confirm that vitamin C deficiency is common in humans, affecting 5%–10% of adults in the industrialized world. Moreover, significant associations between poor vitamin C status and increased morbidity and mortality have consistently been observed. However, the absorption, distribution and elimination kinetics of vitamin C in vivo are highly complex, due to dose-dependent non-linearity, and the specific regulatory mechanisms are not fully understood. Particularly, little is known about how adaptive mechanisms during states of deficiency affect the overall regulation of vitamin C transport in the body. This review discusses mechanisms of vitamin C transport and potential means of regulation with special emphasis on capacity and functional properties, such as differences in the Km of vitamin C transporters in different target tissues, in some instances demonstrating a tissue-specific distribution. View Full-Text
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Lindblad, M.; Tveden-Nyborg, P.; Lykkesfeldt, J. Regulation of Vitamin C Homeostasis during Deficiency. Nutrients 2013, 5, 2860-2879.
Lindblad M, Tveden-Nyborg P, Lykkesfeldt J. Regulation of Vitamin C Homeostasis during Deficiency. Nutrients. 2013; 5(8):2860-2879.Chicago/Turabian Style
Lindblad, Maiken; Tveden-Nyborg, Pernille; Lykkesfeldt, Jens. 2013. "Regulation of Vitamin C Homeostasis during Deficiency." Nutrients 5, no. 8: 2860-2879.