Metabolism of fat-soluble vitamins

Stable Identifier
R-HSA-6806667
Type
Pathway
Species
Homo sapiens
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Vitamins A, D, E, and K are classified as fat-soluble. Metabolic pathways by which dietary precursors of vitamins A (Harrison 2005) and K (Shearer et al. 2012) are converted to active forms are annotated here. The conversion of 7-dehydrocholesterol is converted to active vitamin D (Dusso et al. 2005) is annotated as part of metabolism of steroids. (Vitamin E (tocopherol) is available in active form from the diet.)

Literature References
PubMed ID Title Journal Year
16011460 Mechanisms of digestion and absorption of dietary vitamin A

Harrison, EH

Annu Rev Nutr 2005
22516726 Vitamin K nutrition, metabolism, and requirements: current concepts and future research

Booth, SL, Shearer, MJ, Fu, X

Adv Nutr 2012
15951480 Vitamin D

Slatopolsky, E, Brown, AJ, Dusso, AS

Am J Physiol Renal Physiol 2005
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