… , calcium absorption by both tests was lower in elderly women over 65 years of age compared
with younger women aged 25… An age‐related decline in calcium absorption has previously …

… fixed amount of calcium carrier (2-6), intestinal calcium absorption decreases with age…
intestinal concentrations of VDR in a group of healthy women ranging from young adulthood to old …

… codes for the vitamin D receptor protein which regulates intestinal calcium absorption. In
order to … From these we compared 49 young women aged 25-35 years and 43 elderly women …

… in intestinal vitamin D receptor (… intestinal calcium absorption with aging have been made
primarily under basal conditions, over a relatively narrow range of circulating 1,25(OH) 2 D …

… of 51 normal women ranging from young adulthood to old age who had … True calcium
absorption (TCA), the actual amount of calcium … assay with 1,25-(OH),D receptor from calf thymus. …

… Vitamin D receptor genotype was reported to be associated with differences in absorptive
capabilities in young and older women by some investigators (28,48, 49, 50), a finding that has …

… We recently reported [21] decreases in vitamin D receptors in … that elderly women have
intestinal resistance to vitamin D … in serum 1,25(OH)2 D in normal young adult women and in …

… aged 20–80 y (12). A total of 492 participants had … We conclude that the relation of serum
25(OH)D concentrations to calcium absorption cannot be used as a biomarker for vitamin D …

… vitamin D receptor protein and calbindin D in 24 female rats … intestinal vitamin D receptor
levels in our young and old rats. … sensitivity to 1,25(OH) 2 D action in the intestine of the old rat …

… In the younger women and women ≥70 yr of age, women in the … Intestinal calcium transporter
genes are upregulated by estrogens and the reproductive cycle through vitamin D receptor…