Search Results - "Fraser, David R."

The Vitamin D Receptor (VDR) Is Expressed in Skeletal Muscle of Male Mice and Modulates 25-Hydroxyvitamin D (25OHD) Uptake in Myofibers by Girgis, Christian M, Mokbel, Nancy, Cha, Kuan Minn, Houweling, Peter J, Abboud, Myriam, Fraser, David R, Mason, Rebecca S, Clifton-Bligh, Roderick J, Gunton, Jenny E

“…Vitamin D deficiency is associated with a range of muscle disorders, including myalgia, muscle weakness, and falls. In humans, polymorphisms of the vitamin D…”
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Physiological significance of vitamin D produced in skin compared with oral vitamin D by Fraser, David R.

“…Since the discovery of vitamin D, it has been accepted that its physiological supply is either from food or by endogenous synthesis in skin exposed to solar UV…”
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Skeletal Muscle and the Maintenance of Vitamin D Status by Rybchyn, Mark S, Abboud, Myriam, Puglisi, David A, Gordon-Thomson, Clare, Brennan-Speranza, Tara C, Mason, Rebecca S, Fraser, David R

“…Vitamin D, unlike the micronutrients, vitamins A, E, and K, is largely obtained not from food, but by the action of solar ultraviolet (UV) light on its…”
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Low vitamin D status has an adverse influence on bone mass, bone turnover, and muscle strength in Chinese adolescent girls by Foo, Leng Huat, Zhang, Qian, Zhu, Kun, Ma, Guansheng, Hu, Xiaoqi, Greenfield, Heather, Fraser, David R

“…Our goal in this cross-sectional study was to investigate the influence of low-vitamin D status on bone mass, bone turnover, and muscle strength in 301 healthy…”
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New Data for Vitamin D in Australian Foods of Animal Origin: Impact on Estimates of National Adult Vitamin D Intakes in 1995 and 2011-13 by Liu, Jerry, Arcot, Jayashree, Cunningham, Judy, Greenfield, Heather, Hsu, James, Padula, David, Strobel, Norbert, Fraser, David R

“…Objectives: To assess the potential dietary supply of vitamin D to Australian adults by application of new data for Australian primary foods of animal origin…”
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Vitamin D toxicity related to its physiological and unphysiological supply by Fraser, David R.

“…Vitamin D is defined as a nutrient despite its rare occurrence in food. Vitamin D status is determined mainly by solar UV light action in skin. However, the…”
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School-milk intervention trial enhances growth and bone mineral accretion in Chinese girls aged 10–12 years in Beijing by DU, Xueqin, Zhu, Kun, Trube, Angelika, Zhang, Qian, Ma, Guansheng, Hu, Xiaoqi, Fraser, David R., Greenfield, Heather

“…A 2-year milk intervention trial was carried out with 757 girls, aged 10 years, from nine primary schools in Beijing (April 1999 – March 2001). Schools were…”
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Vitamin D deficiency and associated factors in adolescent girls in Beijing by XUEQIN DU, GREENFIELD, Heather, FRASER, David R, KEYOU GE, TRUBE, Angelika, YUNZHAO WANG

“…Several locally published reports indicate a high prevalence of vitamin D deficiency among adolescents in China, but no systematic population-based survey has…”
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Is the metabolism of 25-hydroxyvitamin D3 age-dependent in dairy cows? by Wilkens, Mirja R., Cohrs, Imke, Lifschitz, Adrian L., Fraser, David R., Olszewski, Katharina, Schröder, Bernd, Breves, Gerhard

“…▸ Recently, it has been demonstrated that 25-hydroxyvitamin D might be suitable to stabilize peripartal Ca homeostasis in dairy cows. ▸ In the current study,…”
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Vitamin D Deficiency and Energy Metabolism by Fraser, David R

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Short communication: Metabolic synthesis of vitamin D2 by the gut microbiome by Chaves, Alex V., Rybchyn, Mark S., Mason, Rebecca S., Fraser, David R.

“…The origin of vitamin D2 in herbivorous animals was investigated in vivo in sheep and in bovine as well as mouse gastrointestinal tracts. A high concentration…”
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Differences in career paths of alumni of the Cornell Leadership Program from North American universities compared with those alumni from universities in other countries by Fraser, David R, Parker, John S L, McGregor, Douglas D

“…To characterize and compare the careers of alumni of the Cornell Leadership Program for Veterinary Students according to the countries where they studied and…”
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Serum 1,25-dihydroxyvitamin D levels in the diagnosis and pathogenesis of nutritional rickets – a multivariable re-analysis of a case-control study by Fischer, Philip R., Sempos, Christopher T., Pettifor, John M., Fraser, David R., Munns, Craig F., Durazo-Arvizu, Ramon A., Thacher, Tom D.

“…A multivariable logistic regression model resulting from a case-control study of nutritional rickets in Nigerian children suggested that higher levels of serum…”
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The Role of Skeletal Muscle in Maintaining Vitamin D Status in Winter by Mason, Rebecca S, Rybchyn, Mark S, Abboud, Myriam, Brennan-Speranza, Tara C, Fraser, David R

“…The status of vitamin D is determined mainly by its formation in skin by the photochemical action of solar UVB light (wavelength 290–320 nm) on the precursor…”
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The influence of latitude on the concentration of vitamin D3 and 25-hydroxy-vitamin D3 in Australian red meat by Liu, Jerry, Greenfield, Heather, Strobel, Norbert, Fraser, David R.

“…► Little information on effect of UV radiation and latitude on vitamin D content of meat. ► Lamb and beef from 34° S (Sydney), 17° S (Queensland), and 41.06° S…”
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In vivo measurement of the absorption of strontium in the rumen and small intestine of sheep as an index of calcium absorption capacity by Hyde, Michelle L., Fraser, David R.

“…In the present study, a method was developed for determining the alimentary tract Ca absorption capacity of ruminant animals by measuring the absorption rate…”
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Uptake of 25-hydroxyvitamin D by muscle and fat cells by Abboud, Myriam, Gordon-Thomson, Clare, Hoy, Andrew J., Balaban, Seher, Rybchyn, Mark S., Cole, Louise, Su, Yingying, Brennan-Speranza, Tara C., Fraser, David R., Mason, Rebecca S.

“…•There is net uptake of 25-hydroxyvitamin D into mature muscle cells, which express megalin.•Whether 25-hydroxyvitamin D is taken up into adipose cells is…”
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In contrast to sheep, goats adapt to dietary calcium restriction by increasing intestinal absorption of calcium by Wilkens, Mirja R., Richter, Julia, Fraser, David R., Liesegang, Annette, Breves, Gerhard, Schröder, Bernd

“…Many studies aimed at understanding calcium homeostasis in the cow use sheep or goats as ruminant models. However, the comparability of relevant homeostatic…”
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Effects of Two Years' Milk Supplementation on Size-Corrected Bone Mineral Density of Chinese Girls by Zhu, Kun, Greenfield, Heather, Du, Xueqin, Zhang, Qian, Ma, Guansheng, Hu, Xiaoqi, Cowell, Chris T, Fraser, David R

“…Much existing data on the effects of calcium or milk products on bone mineral accretion are based on bone mineral content (BMC) or areal bone mineral density…”
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Bone mass in Chinese premenarcheal girls: the roles of body composition, calcium intake and physical activity by Zhu, Kun, Du, Xueqin, Greenfield, Heather, Zhang, Qian, Ma, Guansheng, Hu, Xiaoqi, Fraser, David R.

“…The association of growth and anthropometric characteristics and lifestyle factors with bone mass and second metacarpal radiogrammetry parameters was evaluated…”
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