Search Results - "Dowling, Kirsten G"

The positive impact of general vitamin D food fortification policy on vitamin D status in a representative adult Finnish population: evidence from an 11-y follow-up based on standardized 25-hydroxyvitamin D data by Jääskeläinen, Tuija, Itkonen, Suvi T, Lundqvist, Annamari, Erkkola, Maijaliisa, Koskela, Tapani, Lakkala, Kaisa, Dowling, Kirsten G, Hull, George Lj, Kröger, Heikki, Karppinen, Jaro, Kyllönen, Eero, Härkänen, Tommi, Cashman, Kevin D, Männistö, Satu, Lamberg-Allardt, Christel

“…A systematic vitamin D fortification of fluid milk products and fat spreads was started in 2003 in Finland to improve vitamin D status. We investigated the…”
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Effects of vitamin D supplementation on markers for cardiovascular disease and type 2 diabetes: an individual participant data meta-analysis of randomized controlled trials by Swart, Karin MA, Lips, Paul, Brouwer, Ingeborg A, Jorde, Rolf, Heymans, Martijn W, Grimnes, Guri, Grübler, Martin R, Gaksch, Martin, Tomaschitz, Andreas, Pilz, Stefan, Eiriksdottir, Gudny, Gudnason, Vilmundur, Wamberg, Louise, Rejnmark, Lars, Sempos, Christopher T, Durazo-Arvizu, Ramón A, Dowling, Kirsten G, Hull, George, Škrabáková, Zuzana, Kiely, Mairead, Cashman, Kevin D, van Schoor, Natasja M

“…Evidence from randomized controlled trials (RCTs) for the causal role of vitamin D on noncommunicable disease outcomes is inconclusive. The aim of this study…”
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Implications of standardization of serum 25-hydroxyvitamin D data for the evaluation of vitamin D status in Germany, including a temporal analysis by Rabenberg, Martina, Scheidt-Nave, Christa, Busch, Markus A, Thamm, Michael, Rieckmann, Nina, Durazo-Arvizu, Ramón A, Dowling, Kirsten G, Škrabáková, Zuzana, Cashman, Kevin D, Sempos, Christopher T, Mensink, Gert B M

“…Comparability of 25-hydroxyvitamin D (25(OH)D) measurements is hampered by method-related differences in measurement values. International standardization of…”
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General Steps to Standardize the Laboratory Measurement of Serum Total 25-Hydroxyvitamin D by Sempos, Christopher T, Betz, Joseph M, Camara, Johanna E, Carter, Graham D, Cavalier, Etienne, Clarke, Michael W, Dowling, Kirsten G, Durazo-Arvizu, Ramon A, Hoofnagle, Andrew N, Liu, Andy, Phinney, Karen W, Sarafin, Kurtis, Wise, Stephen A, Coates, Paul M

“…The Vitamin D Standardization Program (VDSP) has collaborated with numerous groups and agencies to assemble a set of tools, i.e., a reference measurement…”
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Vitamin D deficiency in Europe: pandemic? by Cashman, Kevin D, Dowling, Kirsten G, Škrabáková, Zuzana, Gonzalez-Gross, Marcela, Valtueña, Jara, De Henauw, Stefaan, Moreno, Luis, Damsgaard, Camilla T, Michaelsen, Kim F, Mølgaard, Christian, Jorde, Rolf, Grimnes, Guri, Moschonis, George, Mavrogianni, Christina, Manios, Yannis, Thamm, Michael, Mensink, Gert Bm, Rabenberg, Martina, Busch, Markus A, Cox, Lorna, Meadows, Sarah, Goldberg, Gail, Prentice, Ann, Dekker, Jacqueline M, Nijpels, Giel, Pilz, Stefan, Swart, Karin M, van Schoor, Natasja M, Lips, Paul, Eiriksdottir, Gudny, Gudnason, Vilmundur, Cotch, Mary Frances, Koskinen, Seppo, Lamberg-Allardt, Christel, Durazo-Arvizu, Ramon A, Sempos, Christopher T, Kiely, Mairead

“…Vitamin D deficiency has been described as being pandemic, but serum 25-hydroxyvitamin D [25(OH)D] distribution data for the European Union are of very…”
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Improved accuracy of an tandem liquid chromatography–mass spectrometry method measuring 24R,25-dihydroxyvitamin D3 and 25-hydroxyvitamin D metabolites in serum using unspiked controls and its application to determining cross-reactivity of a chemiluminescent microparticle immunoassay by Dowling, Kirsten G., Hull, George, Sundvall, Jouko, Lamberg-Allardt, Christel, Cashman, Kevin D.

“…•An LC–MS/MS method quantifying 4 vitamin D metabolites using LLE was developed.•Quality controls made from pooled, unspiked sera led to improved…”
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Improved accuracy of an tandem liquid chromatography-mass spectrometry method measuring 24R,25-dihydroxyvitamin D 3 and 25-hydroxyvitamin D metabolites in serum using unspiked controls and its application to determining cross-reactivity of a chemiluminescent microparticle immunoassay by Dowling, Kirsten G, Hull, George, Sundvall, Jouko, Lamberg-Allardt, Christel, Cashman, Kevin D

“…Measurement of serum 25-hydroxyvitamin D [25(OH)D] is considered the best indicator of vitamin D status. Two minor vitamin D metabolites are common…”
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Evaluation of hydrophilic interaction chromatography versus reversed-phase chromatography for fast aqueous species distribution analysis of Nickel(II)-Histidine complex species by Alsaeedi, Majidah, Alghamdi, Huda, Hayes, Phyllis, Hogan, Anna M., Gilchrist, Elizabeth S., Dowling, Kirsten G., English, Jane A., Glennon, Jeremy D.

“…•HILIC can be appropriate for investigating coordination metal complexes since these metals are generally charged and highly polar.•The metal complex…”
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The use of synthetic and natural vitamin D sources in pig diets to improve meat quality and vitamin D content by Duffy, Sarah K., Kelly, Alan K., Rajauria, Gaurav, Jakobsen, Jette, Clarke, Louise C., Monahan, Frank J., Dowling, Kirsten G., Hull, George, Galvin, Karen, Cashman, Kevin D., Hayes, Aoife, O'Doherty, John V.

“…This study investigated the effects of synthetic and natural sources of vitamin D biofortification in pig diets on pork vitamin D activity and pork quality…”
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A Mediterranean-like dietary pattern with vitamin D3 (10 µg/d) supplements reduced the rate of bone loss in older Europeans with osteoporosis at baseline: results of a 1-y randomized controlled trial by Jennings, Amy, Cashman, Kevin D, Gillings, Rachel, Cassidy, Aedin, Tang, Jonathan, Fraser, William, Dowling, Kirsten G, Hull, George L J, Berendsen, Agnes A M, de Groot, Lisette C P G M, Pietruszka, Barbara, Wierzbicka, Elzbieta, Ostan, Rita, Bazzocchi, Alberto, Battista, Giuseppe, Caumon, Elodie, Meunier, Nathalie, Malpuech-Brugère, Corinne, Franceschi, Claudio, Santoro, Aurelia, Fairweather-Tait, Susan J

“…The Mediterranean diet (MD) is widely recommended for the prevention of chronic disease, but evidence for a beneficial effect on bone health is lacking. The…”
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Prevalence of vitamin D deficiency and insufficiency among schoolchildren in Greece: the role of sex, degree of urbanisation and seasonality by Manios, Yannis, Moschonis, George, Hulshof, Toine, Bourhis, Anne-Sophie, Hull, George L. J., Dowling, Kirsten G., Kiely, Mairead E., Cashman, Kevin D.

“…The current study was aiming to report the prevalence of suboptimal vitamin D status among schoolchildren in Greece and investigate the role of sex,…”
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Estimation of the dietary requirement for vitamin D in adolescents aged 14-18 y: a dose-response, double-blind, randomized placebo-controlled trial by Smith, Taryn J, Tripkovic, Laura, Damsgaard, Camilla T, Mølgaard, Christian, Ritz, Christian, Wilson-Barnes, Saskia L, Dowling, Kirsten G, Hennessy, Áine, Cashman, Kevin D, Kiely, Mairead, Lanham-New, Susan A, Hart, Kathryn H

“…Adolescents are a population group at high risk of low vitamin D status, yet the evidence base for establishing dietary vitamin D requirements remains weak…”
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Standardizing serum 25-hydroxyvitamin D data from four Nordic population samples using the Vitamin D Standardization Program protocols: Shedding new light on vitamin D status in Nordic individuals by Cashman, Kevin D., Dowling, Kirsten G., Škrabáková, Zuzana, Kiely, Mairead, Lamberg-Allardt, Christel, Durazo-Arvizu, Ramon A., Sempos, Christopher T., Koskinen, Seppo, Lundqvist, Annamari, Sundvall, Jouko, Linneberg, Allan, Thuesen, Betina, Husemoen, Lise Lotte N., Meyer, Haakon E., Holvik, Kristin, Grønborg, Ida M., Tetens, Inge, Andersen, Rikke

“…Knowledge about the distributions of serum 25-hydroxyvitamin D (25(OH)D) concentrations in representative population samples is critical for the quantification…”
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Vitamin D-biofortified beef: A comparison of cholecalciferol with synthetic versus UVB-mushroom-derived ergosterol as feed source by Duffy, Sarah K., O'Doherty, John V., Rajauria, Gaurav, Clarke, Louise C., Hayes, Aoife, Dowling, Kirsten G., O'Grady, Michael N., Kerry, Joseph P., Jakobsen, Jette, Cashman, Kevin D., Kelly, Alan K.

“…•UVB-exposed vitamin D2-rich mushroom used as a natural novel feed ingredient.•Dietary biofortification can successfully enhance beef vitamin D…”
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Differences in the dietary requirement for vitamin D among Caucasian and East African women at Northern latitude by Cashman, Kevin D., Ritz, Christian, Adebayo, Folasade A., Dowling, Kirsten G., Itkonen, Suvi T., Öhman, Taina, Skaffari, Essi, Saarnio, Elisa M., Kiely, Mairead, Lamberg-Allardt, Christel

“…Context Current vitamin D recommendations have been established based on an assumption that there are no differences between Caucasian and other ethnic/racial…”
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Poor bioavailability of vitamin D2 from ultraviolet-irradiated D2-rich yeast in rats by Itkonen, Suvi T, Pajula, Elina T, Dowling, Kirsten G, Hull, George LJ, Cashman, Kevin D, Lamberg-Allardt, Christel JE

“…Ultraviolet-irradiated yeast (Saccharomyces cerevisiae) can be used to biofortify bakery products with vitamin D, but in bread, it was not effective in…”
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Poor bioavailability of vitamin D 2 from ultraviolet-irradiated D 2 -rich yeast in rats by Itkonen, Suvi T, Pajula, Elina T, Dowling, Kirsten G, Hull, George Lj, Cashman, Kevin D, Lamberg-Allardt, Christel Je

“…Ultraviolet-irradiated yeast (Saccharomyces cerevisiae) can be used to biofortify bakery products with vitamin D, but in bread, it was not effective in…”
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Effect of Genetically Low 25-Hydroxyvitamin D on Mortality Risk: Mendelian Randomization Analysis in 3 Large European Cohorts by Aspelund, Thor, Grübler, Martin R, Smith, Albert V, Gudmundsson, Elias F, Keppel, Martin, Cotch, Mary Frances, Harris, Tamara B, Jorde, Rolf, Grimnes, Guri, Joakimsen, Ragnar, Schirmer, Henrik, Wilsgaard, Tom, Mathiesen, Ellisiv B, Njølstad, Inger, Løchen, Maja-Lisa, März, Winfried, Kleber, Marcus E, Tomaschitz, Andreas, Grove-Laugesen, Diana, Rejnmark, Lars, Swart, Karin M A, Brouwer, Ingeborg A, Lips, Paul, van Schoor, Natasja M, Sempos, Christopher T, Durazo-Arvizu, Ramón A, Škrabáková, Zuzana, Dowling, Kirsten G, Cashman, Kevin D, Kiely, Mairead, Pilz, Stefan, Gudnason, Vilmundur, Eiriksdottir, Gudny

“…The aim of this study was to determine if increased mortality associated with low levels of serum 25-hydroxyvitamin D (25(OH)D) reflects a causal relationship…”
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Interlaboratory Comparison for the Determination of 24,25-Dihydroxyvitamin D₃ in Human Serum Using Liquid Chromatography with Tandem Mass Spectrometry by Wise, Stephen A, Tai, Susan S-C, Nelson, Michael A, Burdette, Carolyn Q, Camara, Johanna E, Hoofnagle, Andrew N, Laha, Thomas J, Carter, Graham D, Jones, Julia, Williams, Emma L, Barclay, Zoe J, Jones, Glenville, Kaufmann, Martin, Binkley, Neil, Kapoor, Amita, Ziegler, Toni, Cashman, Kevin D, Dowling, Kirsten G, Sempos, Christopher T

“…Six laboratories associated with the Vitamin D Standardization Program (VDSP) participated in an interlaboratory comparison of LC with tandem MS (MS/MS)…”
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Vitamin D and mortality: Individual participant data meta-analysis of standardized 25-hydroxyvitamin D in 26916 individuals from a European consortium by Gaksch, Martin, Jorde, Rolf, Grimnes, Guri, Joakimsen, Ragnar, Schirmer, Henrik, Wilsgaard, Tom, Mathiesen, Ellisiv B, Njølstad, Inger, Løchen, Maja-Lisa, März, Winfried, Kleber, Marcus E, Tomaschitz, Andreas, Grübler, Martin, Eiriksdottir, Gudny, Gudmundsson, Elias F, Harris, Tamara B, Cotch, Mary F, Aspelund, Thor, Gudnason, Vilmundur, Rutters, Femke, Beulens, Joline W J, van 't Riet, Esther, Nijpels, Giel, Dekker, Jacqueline M, Grove-Laugesen, Diana, Rejnmark, Lars, Busch, Markus A, Mensink, Gert B M, Scheidt-Nave, Christa, Thamm, Michael, Swart, Karin M A, Brouwer, Ingeborg A, Lips, Paul, van Schoor, Natasja M, Sempos, Christopher T, Durazo-Arvizu, Ramón A, Škrabáková, Zuzana, Dowling, Kirsten G, Cashman, Kevin D, Kiely, Mairead, Pilz, Stefan

“…Vitamin D deficiency may be a risk factor for mortality but previous meta-analyses lacked standardization of laboratory methods for 25-hydroxyvitamin D…”
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