… of vitamin D metabolising enzymes and vitamin D receptors … levels of vitamin D are especially
common in young obese … of vitamin D metabolites in different parts of the large intestine …

… when intestinal absorption is normal and vitamin D metabolism … regulated by the injection of
1,25(OH) 2 D in young zebra fish [29]… The vitamin D receptor has been detected in the cortex, …

… in young women reduces the intestinal Ca 2+ absorption … and skeletal mineralization
independently of the vitamin D receptor… As a consequence of aging, the intestinal Ca 2+ …

… of 25hydroxyvitamin D — 25(OH)D. The second stage of … 1,25(OH)2D interacts with the
vitamin D receptor (VDR) in the small intestine, enhancing intestinal absorption of calcium, and …

… vitamin D receptor (VDR) in the target cell driving 1,25(OH) 2 … calcium further decreasing
intestinal calcium absorption. … in which 81 older women and men received vitamin D3 at doses …

… D which are mediated by the vitamin D receptor (VDR). … 3 /VDR-mediated intestinal calcium
absorption, serum calcium will be … in young Col2-Vdr-cKO mice, whereas calcium and PTH …

… form of vitamin D works through the vitamin D receptor to regulate … (OH) 2 D but aging was
found to reduce calcium absorption … 1,25(OH) 2 D-mediated intestinal Ca absorption in young …

… 1,25(OH) 2 D binds to its nuclear vitamin D receptor to exert … of intestinal calcium and
phosphate absorption, renal tubular … at a serum 25(OH)D level of 30 ng/mL in both young and old …

… synthesis of 1,25(OH) 2 D 3 , intestinal calcium absorption and … and the calcium demand is
lower, young adult HVDRR … of any vitamin D receptor activity, thus representing true vitamin D …

… For younger patients, 25(OH)D values were the most … “In vitro” studies have shown that
stimulation of vitamin D receptor … intestinal calcium absorption, secondary to decreased 1,25(OH) …