Significance of Vitamin D in Age-Related Bone Disease

Differentiation of mouse myeloid leukemia cells induced by 1 alpha,25-dihydroxyvitamin D3.

1981 • 1,025 citations

Intestinal Calcium Absorption and Serum Vitamin D Metabolites in Normal Subjects and Osteoporotic Patients

1979 • 865 citations

The control of 25-hydroxyvitamin D metabolism by inorganic phosphorus

1973 • 781 citations

1,25-Dihydroxycholecalciferol: A Potent Stimulator of Bone Resorption in Tissue Culture

1972 • 631 citations

EFFECT OF AGE ON CALCIUM ABSORPTION

1970 • 450 citations

Effect of Estrogen on Calcium Absorption and Serum Vitamin D Metabolites in Postmenopausal Osteoporosis*

1980 • 433 citations

Pathogenesis of Hereditary Vitamin-D-Dependent Rickets

1973 • 426 citations

Hypercalcemia in an Anephric Patient with Sarcoidosis: Evidence for Extrarenal Generation of 1,25-Dihydroxyvitamin D

1981 • 417 citations

1α,25-Dihydroxycholecalciferol and a human myeloid leukaemia cell line (HL-60)

1982 • 398 citations

Deficient Production of 1,25-Dihydroxyvitamin D in Elderly Osteoporotic Patients

1981 • 373 citations

Determination of vitamin D and its metabolites in plasma from normal and anephric man

1979 • 372 citations

24, 25-Dihydroxyvitamin D is a metabolite of vitamin D essential for bone formation

1978 • 323 citations

Physiology of Calcium Metabolism

1953 • 317 citations

Heilung von Rachitis durch künstliche Höhensonne

1919 • 299 citations

Vitamin D: Two Dihydroxylated Metabolites Are Required for Normal Chicken Egg Hatchability

1978 • 263 citations

Transfer of Ca⁴⁵ across intestinal wall in vitro in relation to action of vitamin D and cortisol

1960 • 243 citations

Mitochondrial Cytochrome P450

1974 • 242 citations

The Response of Intestinal Calcium Transport to 25-Hydroxy and 1,25-Dihydroxy Vitamin D in Nephrectomized Rats

1972 • 241 citations

Serum 1,25-Dihydroxyvitamin D Levels in Normal Subjects and in Patients with Hereditary Rickets or Bone Disease

1978 • 239 citations

Human bone cells in culture metabolize 25-hydroxyvitamin D3 to 1,25-dihydroxyvitamin D3 and 24,25-dihydroxyvitamin D3.

1981 • 233 citations

Response of Intestinal Calcium Transport and Bone Calcium Mobilization to 1,25-Dihydroxyvitamin Da in Thyroparathyroidectomized Rats¹

1974 • 212 citations

Evidence for Extra-Renal 1 α-Hydroxylation of 25-Hydroxyvitamin D ₃ in Pregnancy

1979 • 200 citations

Amoebiasis in Ceylon.

1947 • 200 citations

THE RELATIONSHIP BETWEEN VITAMIN D AND PARATHYROID HORMONE*

1963 • 200 citations

Stimulation of 25-hydroxyvitamin D3-1alpha-hydroxylase by phosphate depletion.

1976 • 191 citations

The Government's Present Line on Cardiac Transplantation

1984 • 190 citations

1,25-Dihydroxyvitamin D3: short- and long-term effects on bone and calcium metabolism in patients with postmenopausal osteoporosis.

1982 • 188 citations

Site of 1,25(OH)2 vitamin D3 synthesis in the kidney

1978 • 188 citations

The role of 1,25-dihydroxyvitamin D3 and parathyroid hormone in the regulation of chick renal 25-hydroxyvitamin D3-24-hydroxylase

1975 • 175 citations

Mechanism of Action and Metabolic Fate of Vitamin D

1967 • 168 citations

The Induction of Growth Promoting and Calcifying Properties in a Ration by Exposure to Light

1924 • 162 citations

Evidence That 1,25-Dihydroxyvitamin D₃Is the Physiologically Active Metabolite of Vitamin D₃*

1985 • 157 citations

Biologic effects of 1,25-dihydroxycholecalciferol (a highly active vitamin D metabolite) in acutely uremic rats

1972 • 138 citations

In vitro production of 1,25-dihydroxyvitamin D3 by rat placental tissue.

1979 • 138 citations

Isolation and characterization of 1.alpha.-hydroxy-23-carboxytetranorvitamin D: a major metabolite of 1,25-dihydroxyvitamin D3

1979 • 129 citations

1,25-Dihydroxycholecalciferol Stimulates Osteoclasts in Rat Bones in the Absence of Parathyroid Hormone*

1981 • 127 citations

Characteristics of the rat liver microsomal enzyme system converting cholecalciferol into 25-hydroxycholecalciferol. Evidence for the participation of cytochrome p-450

1979 • 114 citations

The effect of age on calcium absorption and accumulation of 1,25-hydroxyvitamin D3 in intestinal mucosa of rats

1978 • 114 citations

Synthesis of 1,25-Dihydroxyvitamin D in the Nephrectomized Pregnant Rat*

1978 • 105 citations

Calcium in biological systems

1986 • 104 citations

METABOLITES OF VITAMIN D IN HUMAN VITAMIN-D DEFICIENCY: EFFECT OF VITAMIN D3 OR 1,25-DIHYDROXYCHOLECALCIFEROL

1980 • 101 citations

Effect of 1,25‐dihydroxy ‐ vitamin D₃ in itself or combined with hormone treatment in preventing postmenopausal osteoporosis

1981 • 100 citations

Feedback control of vitamin D metabolism by a nuclear action of 1,25-dihydroxycholecalciferol on the kidney

1974 • 74 citations

25-hydroxylation of C27-steroids and vitamin D3 by a constitutive cytochrome P-450 from rat liver microsomes.

1983 • 72 citations

Vitamin D and bone

1978 • 68 citations

Vitamin D and Pregnancy: The Maternal-Fetal Metabolism of Vitamin D

1981 • 67 citations

Do tissues other than the kidney produce 1,25-dihydroxyvitamin D3 in vivo? A reexamination.

1983 • 58 citations

Bone Resorbing Activity of Vitamin D Metabolites and Congenersin Vitro:Influence of Hydroxy1 Substituents in the A Ring

1975 • 58 citations

Role of parathyroid hormone and 1,25-dihydroxyvitamin D3 in the development of osteopenia in oophorectomized rats

1982 • 57 citations

Studies on the site of 1,25-dihydroxyvitamin D3 synthesis in vivo.

1983 • 54 citations

Rickets Including Osteomalacia and Tetany.

1929 • 51 citations

THE CONTROL OF CALCIUM AND PHOSPHORUS METABOLISM BY THE VITAMIN D ENDOCRINE SYSTEM*

1980 • 50 citations

24R,25-dihydroxyvitamin D3 and 1α,25-dihydroxyvitamin D3 are both indispensable for calcium and phosphorus homeostasis

1980 • 47 citations

Calcitroic acid: Biological activity and tissue distribution studies

1981 • 41 citations

Ability of 25-Hydroxyvitamin D₃Therapy to Augment Serum 1,25- and 24,25-Dihydroxyvitamin D in Postmenopausal Osteoporosis*

1980 • 38 citations

Autoradiographic study of the effect of 1,25-dihydroxyvitamin D3 on bone matrix synthesis in vitamin D replete rats

1982 • 23 citations

Chapter 18. Vitamin D: Metabolism and Mechanism of Action

1984 • 22 citations

CELLS ISOLATED FROM EMBRYONIC INTESTINE SYNTHESIZE 1,25-DIHYDROXYVITAMIN-D₃AND 24,25-DIHYDROXYVITAMIN-D₃IN CULTURE

1983 • 22 citations

EFFECTS OF 1,25‐DIHYDROXYCHOLECALCIFEROL ON ⁴⁷CALCIUM ABSORPTION IN POST‐MENOPAUSAL OSTEOPOROSIS

1979 • 22 citations

VITAMIN D AND THE CONSERVATION OF CALCIUM IN THE ADULT. I

1932 • 18 citations

Osteomalacia and Disorders of Vitamin D Metabolism

1978 • 17 citations

Vitamin D and Osteoporosis

1979 • 1 citations