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what protein complexes with retinol in the liver and is a part of the complex that moves retinol to extrahepatic tisssues to be utilized
Retinal binding Protein
How does infection affect the concentration of this protein in the plasma
infection decreases circulaiton of albumin and RBP
what are the implications of infection for assessing vitamin A status
infections casues vitamin A to seem insufficient
what are the 4 physiological roles of vitamin A
cell proliferation (gene)
Formation of rhodopsin (signal)
cell differentiation (gene)
who is at rick for D deficiency
obese (D stored in adipose)
Breast fed infants (low D in Milk)
Dark Skin (less light abs)
higher latitudes (sun angle)
what is a non-genomic way vitamin D incease serum calcium
vitamin D opens voltage-gates Ca and Cl channels
genomic means by which D increase serum calcium
Calcitriol induces productino of proteins in costeoblasts
why does a lack of functional alpha tocopherol transfer protein lead to E deficiency
needed to package tocopherol into VLDL for export
teo mechanisms favor alpha tocopherol to other forms
regeneration of tocopherol via vitamin C
unique anti-oxidant properties of E
lipid soluble free radical chain breaking antiooxidant (prevents damage to lipids)
vitamin K requiring proteins synthesized outside the liver may be involved in
chroni illnesses such as cardiovascular disease osteoporosis and Alzheimer's disease
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