Published in Biochem J on November 01, 1969
Identification of 1,25-dihydroxycholecalciferol, a form of vitamin D3 metabolically active in the intestine. Proc Natl Acad Sci U S A (1971) 1.78
A rapidly acting metabolite of vitamin D3. Proc Natl Acad Sci U S A (1971) 1.63
Evidence for a direct action of cholecalciferol and 25-hydroxycholecalciferol on the renal transport of phosphate, sodium, and calcium. J Clin Invest (1972) 1.38
The response of the small intestine to vitamin D. Isolation and properties of chick intestinal polyribosomes. Biochem J (1974) 1.19
Inhibition of the metabolism of 25-hydroxycholecalciferol by actinomycin D and cycloheximide. Proc Natl Acad Sci U S A (1971) 1.18
Isolation of chick intestinal nuclei. Effect of vitamin D3 on nuclear metabolism. Biochem J (1969) 1.16
Mechanism of action of 1,25-dihydroxycholecalciferol on intestinal calcium transport. Proc Natl Acad Sci U S A (1971) 1.15
The transporting proteins of cholecalciferol and 25-hydroxycholecalciferol in serum of chicks and other species. Partial purification and characterization of the chick proteins. Biochem J (1973) 1.13
Synthesis of (1,2- 3 H 2 )cholecalciferol and metabolism of (4- 14 C,1,2- 3 H 2 )- and (4- 14 C,1- 3 H)-cholecalciferol in rachitic rats and chicks. Biochem J (1971) 1.04
The localization of 1,25-dihydroxycholecalciferol in bone cell nuclei of rachitic chicks. Biochem J (1971) 1.00
The stimulation of 1,25-dihydroxycholecalciferol metabolism in vitamin D-deficient rats by 1,25-dihydroxycholecalciferol treatment. J Clin Invest (1973) 1.00
Effects of 1,25-dihydroxycholecalciferol on intestinal calcium transport in cortisone-treated rats. J Clin Invest (1973) 0.99
Investigations on metabolites of vitamin D in rat bile. Separation and partial identification of a major metabolite. Biochem J (1969) 0.99
Biologic effects of 1,25-dihydroxycholecalciferol (a highly active vitamin D metabolite) in acutely uremic rats. J Clin Invest (1972) 0.99
Intranuclear localization and receptor proteins for 1,25-dihydroxycholecalciferol in chick intestine. Biochem J (1974) 0.98
Effects of cortisone administration on the metabolism and localization of 25-hydroxycholecalciferol in the rat. J Clin Invest (1973) 0.92
Biological activity of 1alpha-hydroxycholecalciferol, a synthetic analog of the hormonal form of vitamin D3. Proc Natl Acad Sci U S A (1973) 0.92
Vitamin D metabolism. Recent advances. Arch Dis Child (1973) 0.90
The stereospecificity of tritium distribution in [1-3H]- and [1,2-3H2]-cholesterol and -cholecalciferol. Biochem J (1970) 0.88
Stimulation of creatine kinase BB activity by 1 alpha,25-dihydroxycholecalciferol and 24R,25-dihydroxycholecalciferol in rat tissues. Biochem J (1984) 0.82
The transport of 25-hydroxycholecalciferol in a New World monkey. Biochem J (1975) 0.80
Metabolism of dihydrotachysterol and 5,6-trans-cholecalciferol in the chick and the rat. Biochem J (1974) 0.78
The clinical physiology of calcium homeostasis, parathyroid hormone, and calcitonin. I. Calif Med (1971) 0.75
Recent advances in the unerstanding and management of metabolic bone disease. Proc R Soc Med (1970) 0.75
A rapid method of total lipid extraction and purification. Can J Biochem Physiol (1959) 173.74
25-hydroxycholecalciferol. A biologically active metabolite of vitamin D3. Biochemistry (1968) 3.01
The association of a metabolite of vitamin D3 with intestinal mucosa chromatin in vivo. J Biol Chem (1968) 2.29
The synthesis of [1,2-3H]vitamin D3 and the tissue localization of a 0.25-mu-g (10 IU) dose per rat. Biochemistry (1966) 1.99
THE PREPARATION OF H3-VITAMINS D2 AND D3--THEIR LOCALIZATION IN THE RAT. Biochemistry (1964) 1.73
Subcellular location of vitamin D and its metabolites in intestinal mucosa after a 10-IU dose. Biochemistry (1967) 1.61
BIOLOGICALLY ACTIVE FORMS OF VITAMIN D3 IN KIDNEY AND INTESTINE. Arch Biochem Biophys (1964) 1.60
Metabolism of tritiated vitamin D. Proc R Soc Lond B Biol Sci (1966) 1.31
Template capacity of uterine chromatin: control by estradiol. Proc Natl Acad Sci U S A (1966) 1.30
THE SUBCELLULAR LOCATION OF H3 VITAMIN D3 IN KIDNEY AND INTESTINE. Arch Biochem Biophys (1964) 1.23
New vitamin D metabolite localized in intestinal cell nuclei. Nature (1969) 1.20
Isolation of chick intestinal nuclei. Effect of vitamin D3 on nuclear metabolism. Biochem J (1969) 1.16
Vitamin D stimulation of [3H]orotic acid incorporation into ribonucleic acid of rat intestinal mucosa. Biochemistry (1967) 1.14
The intracellular distribution of [1-3H]cholecalciferol in the intestine of vitamin D-deficient and -supplemented rats. Biochem J (1967) 1.13
The biosynthesis of 14C-labelled ergocalciferol. Biochem J (1955) 1.10
Vitamin D mediated synthesis of rapidly labeled RNA from intestinal mucosa. Biochem Biophys Res Commun (1966) 1.03
Sterol metabolism. I. 26-Hydroxycholesterol in the human aorta. Biochemistry (1967) 1.01
The biological activity of 25-hydroxycholecalciferol, a metabolite of vitamin D3. Proc Natl Acad Sci U S A (1968) 0.96
Investigations on vitamin D esters synthesized in rats. Turnover and sites of synthesis. Biochem J (1968) 0.96
The metabolism and biological activity of esterified vitamin D in the rat. Br J Nutr (1969) 0.83
Cardiovascular disease risk profiles. Am Heart J (1991) 21.65
An updated coronary risk profile. A statement for health professionals. Circulation (1991) 11.71
The effects of specific medical conditions on the functional limitations of elders in the Framingham Study. Am J Public Health (1994) 7.38
Incidence of coronary heart disease and lipoprotein cholesterol levels. The Framingham Study. JAMA (1986) 7.23
STATISTICAL METHODS AND CONTROL IN BACTERIOLOGY. Bacteriol Rev (1943) 6.32
The effect of folic acid fortification on plasma folate and total homocysteine concentrations. N Engl J Med (1999) 6.22
Unique biosynthesis by kidney of a biological active vitamin D metabolite. Nature (1970) 5.66
BIOLOGICAL DETERMINATION OF VITAMIN B1 (THIAMIN) IN RHIZOBIUM TRIFOLII. Science (1938) 5.59
Mechanism of Biological Nitrogen Fixation: VI. Inhibition of Azotobacter by Hydrogen. Proc Natl Acad Sci U S A (1941) 5.23
Vitamin status and intake as primary determinants of homocysteinemia in an elderly population. JAMA (1993) 5.21
Formation of the nitrogen-fixing enzyme system in Azotobacter vinelandii. Can J Microbiol (1968) 5.05
Low serum thyrotropin concentrations as a risk factor for atrial fibrillation in older persons. N Engl J Med (1994) 4.74
Mechanism of biological nitrogen fixation: Molecular H(2) and the pN(2) function of azotobacter. Biochem J (1941) 4.45
Association between plasma homocysteine concentrations and extracranial carotid-artery stenosis. N Engl J Med (1995) 4.36
The effect of postmenopausal estrogen therapy on bone density in elderly women. N Engl J Med (1993) 4.04
Metabolic abnormalities and cardiovascular disease risk factors in adults with human immunodeficiency virus infection and lipodystrophy. Clin Infect Dis (2000) 3.81
Determinants of plasma total homocysteine concentration in the Framingham Offspring cohort. Am J Clin Nutr (2001) 3.80
Elevated plasma lipoprotein(a) and coronary heart disease in men aged 55 years and younger. A prospective study. JAMA (1996) 3.68
Primary and subsequent coronary risk appraisal: new results from the Framingham study. Am Heart J (2000) 3.61
Parental transmission of type 2 diabetes: the Framingham Offspring Study. Diabetes (2000) 3.60
The Relationship Between Photosynthesis and Nitrogen Fixation. Proc Natl Acad Sci U S A (1952) 3.47
The structure of bactoprenol, a lipid formed by lactobacilli from mevalonic acid. Biochem J (1966) 3.33
NITROGEN FIXATION BY PHOTOSYNTHETIC BACTERIA. J Bacteriol (1949) 3.33
INFLUENCE OF POTASSIUM NITRATE ON NODULE FORMATION AND NITROGEN FIXATION BY CLOVER. Plant Physiol (1932) 3.23
Controlling the epidemic of cardiovascular disease in chronic renal disease: what do we know? What do we need to learn? Where do we go from here? National Kidney Foundation Task Force on Cardiovascular Disease. Am J Kidney Dis (1998) 3.09
Risk factors for longitudinal bone loss in elderly men and women: the Framingham Osteoporosis Study. J Bone Miner Res (2000) 3.09
Prevalence of cobalamin deficiency in the Framingham elderly population. Am J Clin Nutr (1994) 3.08
Hip fracture and the use of estrogens in postmenopausal women. The Framingham Study. N Engl J Med (1987) 3.00
ENZYME LOCALIZATION IN Azotobacter Vinelandii. Proc Natl Acad Sci U S A (1955) 2.97
Cardiovascular disease and mortality in a community-based cohort with mild renal insufficiency. Kidney Int (1999) 2.95
Improved cloning vectors and transformation procedure for Lactococcus lactis. J Appl Bacteriol (1993) 2.91
Profile for estimating risk of heart failure. Arch Intern Med (1999) 2.81
Postmenopausal estrogen use, cigarette smoking, and cardiovascular morbidity in women over 50. The Framingham Study. N Engl J Med (1985) 2.71
Plasma concentration of C-reactive protein and risk of ischemic stroke and transient ischemic attack: the Framingham study. Stroke (2001) 2.71
Ammonia as an Intermediate in Nitrogen Fixation by Azotobacter. J Bacteriol (1946) 2.68
A competitive protein-binding assay for 25-hydroxycholecalciferol and 25-hydroxyergocalciferol in serum. Clin Chim Acta (1974) 2.62
The impact of diabetes on survival following myocardial infarction in men vs women. The Framingham Study. JAMA (1988) 2.59
Identification of 1,25-dihydroxycholecalciferol, a new kidney hormone controlling calcium metabolism. Nature (1971) 2.58
Growth Factor Requirements of the Root Nodule Bacteria. J Bacteriol (1939) 2.57
Occupational physical demands, knee bending, and knee osteoarthritis: results from the Framingham Study. J Rheumatol (1991) 2.56
On Photosynthesis and Free Nitrogen Assimilation by Leguminous Plants. Proc Natl Acad Sci U S A (1934) 2.50
Absence of association or genetic linkage between the angiotensin-converting-enzyme gene and left ventricular mass. N Engl J Med (1996) 2.49
Biotin as a Growth Factor for Rhizobia. J Bacteriol (1942) 2.47
New indices to classify location, severity and progression of calcific lesions in the abdominal aorta: a 25-year follow-up study. Atherosclerosis (1997) 2.45
Vitamin methods: 7. A new modification of the p-aminoacetophenone method for estimating nicotinic acid in urine. Biochem J (1943) 2.40
Dietary determinants of iron stores in a free-living elderly population: The Framingham Heart Study. Am J Clin Nutr (1998) 2.38
Bone loss and the progression of abdominal aortic calcification over a 25 year period: the Framingham Heart Study. Calcif Tissue Int (2001) 2.34
Sudden coronary death in women. Am Heart J (1998) 2.33
NITROGEN FIXATION BY CELL-FREE PREPARATIONS FROM MICROORGANISMS. Proc Natl Acad Sci U S A (1960) 2.28
Relation of dietary intake and serum levels of vitamin D to progression of osteoarthritis of the knee among participants in the Framingham Study. Ann Intern Med (1996) 2.24
Echocardiographic evidence for the existence of a distinct diabetic cardiomyopathy (the Framingham Heart Study). Am J Cardiol (1991) 2.19
Plasma 25-hydroxyvitamin D and its determinants in an elderly population sample. Am J Clin Nutr (1997) 2.18
Deoxyribonucleic acid base composition of species of Klebsiella, Azotobacter and Bacillus. Antonie Van Leeuwenhoek (1969) 2.15
Association between insulin-like growth factor I and bone mineral density in older women and men: the Framingham Heart Study. J Clin Endocrinol Metab (1998) 2.14
Respiratory Enzyme Systems in Symbiotic Nitrogen Fixation: III. The Dehydrogenase Systems of Rhizobium trifolii and Rhizobium leguminosarum. J Bacteriol (1941) 2.12
Association of cholesteryl ester transfer protein-TaqIB polymorphism with variations in lipoprotein subclasses and coronary heart disease risk: the Framingham study. Arterioscler Thromb Vasc Biol (2000) 2.10
The association of chronic cough with the risk of myocardial infarction: the Framingham Heart Study. Am J Med (1999) 2.09
Lactococcus lactis: high-level expression of tetanus toxin fragment C and protection against lethal challenge. Mol Microbiol (1993) 2.05
Tracking of glycated hemoglobin in the original cohort of the Framingham Heart Study. J Clin Epidemiol (1996) 2.03
Association of hypogonadism and estradiol levels with bone mineral density in elderly men from the Framingham study. Ann Intern Med (2000) 2.02
Diet, sunlight, and 25-hydroxy vitamin D in healthy children and adults. Br Med J (1979) 2.02
Assessment methods for physical activity and physical fitness in population studies: report of a NHLBI workshop. Am Heart J (1986) 2.01
Apolipoprotein E epsilon4 association with dementia in a population-based study: The Framingham study. Neurology (1996) 2.00
Competitive protein-binding assay for 25-hydroxycholecalciferol. Clin Sci Mol Med (1974) 2.00
Regulation of 25-hydroxycholecalciferol-1-hydroxylase activity in kidney by parathyroid hormone. Nat New Biol (1973) 2.00
Potassium, magnesium, and fruit and vegetable intakes are associated with greater bone mineral density in elderly men and women. Am J Clin Nutr (1999) 1.99
Impaired vision and hip fracture. The Framingham Study. J Am Geriatr Soc (1989) 1.97
Metabolic risk factors worsen continuously across the spectrum of nondiabetic glucose tolerance. The Framingham Offspring Study. Ann Intern Med (1998) 1.95
Surrogate measures of physical activity and physical fitness. Evidence for sedentary traits of resting tachycardia, obesity, and low vital capacity. Am J Epidemiol (1989) 1.95
Evidence for a gene influencing the TG/HDL-C ratio on chromosome 7q32.3-qter: a genome-wide scan in the Framingham study. Hum Mol Genet (2000) 1.94
Complementary functioning of two components required for the reduction of n2 from four nitrogen-fixing bacteria. Science (1967) 1.92
Body fat and skeletal muscle mass in relation to physical disability in very old men and women of the Framingham Heart Study. J Gerontol A Biol Sci Med Sci (1998) 1.92
Iron status of the free-living, elderly Framingham Heart Study cohort: an iron-replete population with a high prevalence of elevated iron stores. Am J Clin Nutr (2001) 1.92
NIDDM and blood pressure as risk factors for poor cognitive performance. The Framingham Study. Diabetes Care (1997) 1.89
Risk variable clustering in the insulin resistance syndrome. The Framingham Offspring Study. Diabetes (1997) 1.88
Dietary vitamin K intakes are associated with hip fracture but not with bone mineral density in elderly men and women. Am J Clin Nutr (2000) 1.87
Prevalence of coronary heart disease in the Framingham Offspring Study: role of lipoprotein cholesterols. Am J Cardiol (1980) 1.87
Light Intensity and the Nitrogen Hunger Period in the Manchu Soybean. Proc Natl Acad Sci U S A (1938) 1.87
Nonfasting plasma total homocysteine levels and stroke incidence in elderly persons: the Framingham Study. Ann Intern Med (1999) 1.86
Lipids and risk of coronary heart disease. The Framingham Study. Ann Epidemiol (1994) 1.86
Short stature and risk for mortality and cardiovascular disease events. The Framingham Heart Study. Circulation (1994) 1.85
Familial lipoprotein disorders in patients with premature coronary artery disease. Circulation (1992) 1.84
Folic acid fortification of the food supply. Potential benefits and risks for the elderly population. JAMA (1996) 1.84
Apolipoprotein E genotype and cardiovascular disease in the Framingham Heart Study. Atherosclerosis (2001) 1.84
Hyperinsulinemia, hyperglycemia, and impaired hemostasis: the Framingham Offspring Study. JAMA (2000) 1.83
Level of physical activity and the risk of radiographic and symptomatic knee osteoarthritis in the elderly: the Framingham study. Am J Med (1999) 1.83
Caffeine and the risk of hip fracture: the Framingham Study. Am J Epidemiol (1990) 1.81
High density lipoprotein cholesterol, total cholesterol screening, and myocardial infarction. The Framingham Study. Arteriosclerosis (1988) 1.79
Monocyte cytokine production in an elderly population: effect of age and inflammation. J Gerontol A Biol Sci Med Sci (1998) 1.79
Two classes of cortical GABA neurons defined by differential calcium binding protein immunoreactivities. Exp Brain Res (1989) 1.77
White blood cell count and cardiovascular disease. Insights from the Framingham Study. JAMA (1992) 1.75
Reduction of N2 by complementary functioning of two components from nitrogen-fixing bacteria. Proc Natl Acad Sci U S A (1968) 1.75
How reliably can compact chemistry analyzers measure lipids? JAMA (1990) 1.73
Apolipoprotein A-I gene polymorphism associated with premature coronary artery disease and familial hypoalphalipoproteinemia. N Engl J Med (1986) 1.70
Association of blood pressure with fibrinolytic potential in the Framingham offspring population. Circulation (2000) 1.70
Serum cholesterol as a prognostic factor after myocardial infarction: the Framingham Study. Ann Intern Med (1991) 1.69
Human 27-kDa calbindin complementary DNA sequence. Evolutionary and functional implications. Eur J Biochem (1987) 1.68