Association between intestinal vitamin D receptor, calcium absorption, and serum 1, 25 dihydroxyvitamin D in normal young and elderly women

HK Kinyamu, JC Gallagher, JM Prahl… - … of Bone and Mineral …, 1997 - Wiley Online Library
… , 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 …

… in intestinal responsiveness to vitamin D: relationship between serum 1, 25-dihydroxyvitamin D3 and intestinal vitamin D receptor concentrations in normal women

PR Ebeling, ME Sandgren, EP Dimagno… - The Journal of …, 1992 - academic.oup.com
… 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

Relationship of Intestinal Calcium Absorption to 1,25-Dihydroxyvitamin D [1,25(OH)2D] Levels in Young Versus Elderly Women: Evidence for Age-Related Intestinal Resistance …

S Pattanaungkul, BL Riggs, AL Yergey… - The Journal of …, 2000 - academic.oup.com
… 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

Effect of vitamin D receptor genotypes on calcium absorption, duodenal vitamin D receptor concentration, and serum 1, 25 dihydroxyvitamin D levels in normal women

HK Kinyamu, JC Gallagher, JA Knezetic… - Calcified tissue …, 1997 - Springer
… 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

… vitamin D metabolism, true calcium absorption, parathyroid function, and age in women: Evidence of an age‐related intestinal resistance to 1, 25dihydroxyvitamin D …

R Eastell, AL Yergey, NE Vieira… - … of Bone and Mineral …, 1991 - Wiley Online Library
… 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. …

Effects of vitamin D metabolites on intestinal calcium absorption and bone turnover in elderly women

A Devine, SG Wilson, IM Dick… - The American journal of …, 2002 - academic.oup.com
Vitamin D receptor genotype was reported to be associated with differences in absorptive
capabilities in young and older women by some investigators (28,48–50), a finding that has …

Influence of age on effects of endogenous 1, 25-dihydroxyvitamin D on calcium absorption in normal women

PR Ebeling, AL Yergey, NE Vieira, MF Burritt… - Calcified tissue …, 1994 - Springer
… 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 …

Serum vitamin D metabolites and intestinal calcium absorption efficiency in women

JF Aloia, DG Chen, JK Yeh… - The American journal of …, 2010 - academic.oup.com
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 and aging

JC Gallagher - Endocrinology and Metabolism Clinics, 2013 - endo.theclinics.com
Association between intestinal vitamin D receptor, calcium absorption, and serum 1,25(OH)
2 D in normal young and … in normal and elderly free-living women and in women in nursing …

Intestinal Calcium Absorption in the Aged Rat: Evidence of Intestinal Resistance to 1,25(OH)2 Vitamin D

RJ Wood, JC Fleet, K Cashman, ME Bruns… - …, 1998 - academic.oup.com
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 …