The biosynthesis of vitamin D. Topics covered are HMG-CoA Reductase (3-hydroxy-3-methyl-glutaryl-coenzyme A reductase) mechanism and structure, squalene synthesis, lanosterol synthesis, 7-dehydrocholesterol synthesis, and the heme dependent vitamin D 25-hydroxylase (CYP2R1). Other places you can find content from me: Blog -…
In this video, Dr Mike explains how a vitamin D precursor in the skin turns into the active form of vitamin D. He explains the role of the sun and animal and plants products in the synthesis of Vitamin D.…
A review of normal calcium and phosphate homeostasis, including discussion of vitamin D metabolism and the actions of PTH, as well as brief mention of the newly discovered role of FGF23.