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Showing 1-30 of 32 results for "PHR1238" within Papers
H A Bischoff-Ferrari et al.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 19(2), 265-269 (2004-02-19)
Intracellular 1,25-dihydroxyvitamin D receptor (VDR) is expressed in human skeletal muscle tissue. However, it is unknown whether VDR expression in vivo is related to age or vitamin D status, or whether VDR expression differs between skeletal muscle groups. We investigated
Amanda J Samanek et al.
The Medical journal of Australia, 184(7), 338-341 (2006-04-06)
To examine the influence of geographical and seasonal factors on duration of solar ultraviolet (UV) radiation exposure of skin to produce recommended vitamin D levels without producing erythema. An ecological study using daily Ultraviolet Index (UVI) data collected in major
B L Salle et al.
The American journal of clinical nutrition, 71(5 Suppl), 1317S-1324S (2000-05-09)
During pregnancy, maternal serum concentrations of 25-hydroxyvitamin D, the circulating form of vitamin D, correlate with dietary vitamin D intake. Maternal serum concentrations of 1,25-dihydroxyvitamin D, the hormonal circulating and active form of vitamin D, are elevated during pregnancy; 1,25-dihydroxyvitamin
Pentti Tuohimaa et al.
International journal of cancer, 108(1), 104-108 (2003-11-18)
Vitamin D inhibits the development and growth of prostate cancer cells. Epidemiologic results on serum vitamin D levels and prostate cancer risk have, however, been inconsistent. We conducted a longitudinal nested case-control study on Nordic men (Norway, Finland and Sweden)
A RAPID METHOD FOR DETERMINATION OF VITAMINS D2 AND D3 IN PHARMACEUTICAL PREPARATIONS BY HPLC
Sarioglu K, et al.
Journal of Liquid Chromatography and Related Technologies, 24(7), 973-982 (2001)
Michael P Boyle et al.
American journal of respiratory and critical care medicine, 172(2), 212-217 (2005-04-30)
Treatment guidelines for vitamin D monitoring and supplementation in cystic fibrosis (CF) have recently been developed and published by a consensus committee, but have not been prospectively tested. To use these guidelines to determine the percentage of adults with CF
G Jones et al.
Physiological reviews, 78(4), 1193-1231 (1998-10-28)
The important reactions that occur to the vitamin D molecule and the important reactions involved in the expression of the final active form of vitamin D are reviewed in a critical manner. After an overview of the metabolism of vitamin
H A Bischoff et al.
The Histochemical journal, 33(1), 19-24 (2001-05-16)
Growing evidence suggests that intracellular vitamin D receptors are present in skeletal muscle tissue mediating vitamin D hormone response. The aim of the work reported here was to investigate the in situ expression of 1,25-dihydroxyvitamin D3 receptor in human skeletal
Wei-Jie Wu et al.
PloS one, 9(4), e95359-e95359 (2014-04-17)
Response surface methodology (RSM) was used to determine the optimum vitamin D2 synthesis conditions in oyster mushrooms (Pleurotus ostreatus). Ultraviolet B (UV-B) was selected as the most efficient irradiation source for the preliminary experiment, in addition to the levels of
Is supercritical fluid chromatography hyphenated to mass spectrometry suitable for the quality control of vitamin D3 oily formulations?
Andri B. et al.
Journal of Chromatography A, 1515(7), 209-217 (2017)
R Jorde et al.
European journal of endocrinology, 152(1), 39-45 (2005-03-15)
Smoking is associated with reduced bone density and calcium absorption, and reduced serum levels of vitamin D. A compensatory increase in serum parathyroid hormone (PTH) would therefore be expected as a result of an altered calcium balance. However, reports on
Makoto Makishima et al.
Science (New York, N.Y.), 296(5571), 1313-1316 (2002-05-23)
The vitamin D receptor (VDR) mediates the effects of the calcemic hormone 1alpha,25-dihydroxyvitamin D3 [1,25(OH)2D3]. We show that VDR also functions as a receptor for the secondary bile acid lithocholic acid (LCA), which is hepatotoxic and a potential enteric carcinogen.
Shaochun Bai et al.
Current opinion in nephrology and hypertension, 15(4), 381-385 (2006-06-16)
In idiopathic hypercalciuria, patients have increased intestinal Ca absorption and decreased renal Ca reabsorption, with either elevated or normal serum levels of 1,25-dihydroxyvitamin D. As 1,25-dihydroxyvitamin D exerts its biologic effects through interactions with the vitamin D receptor, we examine
Daniela Max et al.
Molecular nutrition & food research, 58(2), 343-352 (2013-08-22)
Epidemiologic data reveal associations between low serum concentrations of 25-hydroxyvitamin D (25(OH)D) and higher risk of falls and muscle weakness. Fetal stage is critical for the development of skeletal muscle, but little information is available on the impact of maternal
Veena L Venkat et al.
Journal of pediatric gastroenterology and nutrition, 59(6), 702-707 (2014-11-25)
Fat-soluble vitamin (FSV) deficiency is a well-recognized consequence of cholestatic liver disease and reduced intestinal intraluminal bile acid. We hypothesized that serum bile acid (SBA) would predict biochemical FSV deficiency better than serum total bilirubin (TB) level in infants with
Kaori Taguchi et al.
Journal of chromatography. A, 1362, 270-277 (2014-09-10)
Chromatography techniques usually use a single state in the mobile phase, such as liquid, gas, or supercritical fluid. Chromatographers manage one of these techniques for their purpose but are sometimes required to use multiple methods, or even worse, multiple techniques
Linda Ahonen et al.
Journal of chromatography. A, 1364, 214-222 (2014-09-11)
We have developed an ultra-high-performance liquid chromatography-atmospheric pressure photoionization-tandem mass spectrometric (UHPLC-APPI-MS/MS) method for the simultaneous quantitative analyses of several oxysterols and vitamin D metabolites in mouse brain and cell line samples. An UHPLC-APPI-high resolution mass spectrometric (UHPLC-APPI-HRMS) method that
Peter J Malloy et al.
Molecular endocrinology (Baltimore, Md.), 16(11), 2538-2546 (2002-10-31)
Hereditary vitamin D-resistant rickets (HVDRR) is a genetic disorder most often caused by mutations in the vitamin D receptor (VDR). The patient in this study exhibited the typical clinical features of HVDRR with early onset rickets, hypocalcemia, secondary hyperparathyroidism, and
James E Heubi et al.
Hepatology (Baltimore, Md.), 61(1), 268-274 (2014-08-29)
Bile acid amidation defects were predicted to present with fat/fat soluble vitamin malabsorption with minimal cholestasis. We identified and treated five patients (one male, four females) from four families with defective bile acid amidation due to a genetically confirmed deficiency
Reinhold Vieth
Annals of medicine, 37(4), 278-285 (2005-07-16)
The need for vitamin D to prevent rickets was the drive for selection of lighter skin color in temperate climates. Anthropologists also know that as human populations developed more sedentary lifestyles, this coincided with a decline in bone quantity, quality
Determination of vitamins A, D, E, and K in human and bovine serum, and ?-carotene and vitamin A palmitate in cosmetic and pharmaceutical products, by isocratic HPLC
Wang LH and Huang SH
Chromatographia, 55(5-6), 289-296 (2002)
Jean-Yves Reginster
Current medical research and opinion, 21(4), 579-586 (2005-05-19)
Inadequate serum vitamin D is associated with secondary hyperparathyroidism, increased bone turnover, and bone loss, which increased fracture risk. Osteomalacia has also been observed in severe cases. Indeed, vitamin D and calcium are essential components of management strategies for the
A Mena-Bravo et al.
Clinica chimica acta; international journal of clinical chemistry, 442, 6-12 (2015-01-13)
A method for quantitative analysis of vitamin D (both D2 and D3) and its main metabolites - monohydroxylated vitamin D (25-hydroxyvitamin D2 and 25-hydroxyvitamin D3) and dihydroxylated metabolites (1,25-dihydroxyvitamin D2, 1,25-dihydroxyvitamin D3 and 24,25-dihydroxyvitamin D3) in human serum is here
R M Shepard et al.
The Biochemical journal, 182(1), 55-69 (1979-07-15)
A multiple assay capable of reliably determining vitamins D(2) and D(3) (ergocalciferol and cholecalciferol), 25(OH)D(2) (25-hydroxyvitamin D(2)) and 25(OH)D(3) (25-hydroxyvitamin D(3)), 24,25(OH)(2)D (24,25-dihydroxyvitamin D), 25,26(OH)(2)D (25,26-dihydroxyvitamin D) and 1,25(OH)(2)D (1,25-dihydroxyvitamin D) in a single 3-5ml sample of human plasma was
Nirav Shah et al.
Peritoneal dialysis international : journal of the International Society for Peritoneal Dialysis, 25(4), 362-366 (2005-07-19)
Peritoneal dialysis (PD) patients are at risk for 25(OH) vitamin D deficiency due to effluent loss in addition to traditional risk factors. To measure 25(OH) vitamin D deficiency in prevalent PD patients, to evaluate a replacement dose, and to determine
Tom D Thacher et al.
Archives of disease in childhood, 99(9), 807-811 (2014-04-22)
To determine whether children with calcium-deficiency rickets have a better response to treatment with vitamin D and calcium than with calcium alone. Randomised controlled trial. Jos University Teaching Hospital, Jos, Nigeria. Nigerian children with active rickets treated with calcium carbonate
Dean M Robinson et al.
Treatments in endocrinology, 4(3), 185-186 (2005-05-19)
Paricalcitol (Zemplar) is a synthetic vitamin D2 analog that inhibits the secretion of parathyroid hormone (PTH) through binding to the vitamin D receptor. It is approved in the US and in most European nations for intravenous use in the prevention
Rodrigo O Moreira et al.
Arquivos brasileiros de endocrinologia e metabologia, 48(4), 443-450 (2005-03-12)
Disturbances in Calcium-PTH-Vitamin D axis are frequently associated with chronic liver diseases (CLD). In patients with CLD, a trend toward decreased serum calcium and vitamin D has already been demonstrated with compensatory increases in PTH levels. Even though reduced vitamin
Gavin Dreyer et al.
PloS one, 9(7), e99461-e99461 (2014-07-10)
Vitamin D deficiency and endothelial dysfunction are non-traditional risk factors for cardiovascular events in chronic kidney disease. Previous studies in chronic kidney disease have failed to demonstrate a beneficial effect of vitamin D on arterial stiffness, left ventricular mass and
Craig B Langman et al.
Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society, 16 Suppl A, S79-S83 (2006-04-21)
The increasing prevalence of chronic kidney disease (CKD) in the United States demands a closer evaluation of and attention to associated morbidities, and, particularly, the rising mortality related to cardiovascular disease in all age groups. Patients with CKD demonstrate an
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