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In 1969, a specific binding protein for vitamin D called the vitamin D receptor was identified. [216] Shortly thereafter, the conversion of vitamin D to calcifediol and then to calcitriol, the biologically active form, was confirmed. [217] The photosynthesis of vitamin D 3 in skin via previtamin D 3 and its subsequent metabolism was described ...
22-Dihydroergocalciferol is a form of vitamin D, also known as vitamin D 4. [2] ... Vitamin D 4 is found in certain mushrooms, being produced from ergosta-5,7-dienol ...
Ergocalciferol, also known as vitamin D 2 and nonspecifically calciferol, is a type of vitamin D found in food. It is used as a dietary supplement [ 3 ] to prevent and treat vitamin D deficiency [ 4 ] due to poor absorption by the intestines or liver disease . [ 5 ]
In addition to vitamin D, cow’s milk is also rich in calcium and vitamin B12, both of which are essential for numerous body functions including supporting bone health and energy production ...
You can hike your levels of the sunshine vitamin by spending time in the sun (UV rays prompt your body to make its own vitamin D) and through consuming foods that contain it (such as salmon, eggs ...
One common active form is 1,25-dihydroxyvitamin D. [4] The term vitamin D in this article means cholecalciferol, ergocalciferol, 25-hydroxyvitamin D, and the active forms. The role of vitamin D is best characterized as enabling calcium absorption and regulating calcium homeostasis. Vitamin D also play a role in phosphate absorption. [5]
Vitamin D deficiency, hypovitaminosis D, a condition with deficiency of vitamin D; Vitamin D-binding protein, encoded by the GC gene, binds vitamin D in blood; Vitamin D receptor (VDR), or calcitriol receptor, the intracellular receptor for vitamin D; Vitamin D response element (VDRE) is a DNA sequence found in the promoter region of vitamin D ...
Because the newly discovered substance was the fourth vitamin identified, it was called vitamin D. [92] The 1928 Nobel Prize in Chemistry was awarded to Adolf Windaus, who discovered the steroid 7-dehydrocholesterol, the precursor of vitamin D. Potential anticancer roles of the vitamin D metabolite calcifediol were observed epidemiologically by ...