Dennis Wagner

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. pmc Low wintertime vitamin D levels in a sample of healthy young adults of diverse ancestry living in the Toronto area: associations with vitamin D intake and skin pigmentation
    Agnes Gozdzik
    Department of Anthropology, University of Toronto at Mississauga, 3359 Mississauga Road North, Mississauga, Ontario L5L 1C6, Canada
    BMC Public Health 8:336. 2008
  2. ncbi request reprint The bioavailability of vitamin D from fortified cheeses and supplements is equivalent in adults
    Dennis Wagner
    Department of Nutritional Sciences, University of Toronto, M563E2 Toronto, Canada
    J Nutr 138:1365-71. 2008
  3. doi request reprint Vitamin D3 fortification, quantification, and long-term stability in Cheddar and low-fat cheeses
    Dennis Wagner
    Department of Nutritional Sciences, University of Toronto, 150 College Street, Toronto, Ontario M5S 3E2, Canada
    J Agric Food Chem 56:7964-9. 2008
  4. doi request reprint An evaluation of automated methods for measurement of serum 25-hydroxyvitamin D
    Dennis Wagner
    Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada
    Clin Biochem 42:1549-56. 2009
  5. doi request reprint The ratio of serum 24,25-dihydroxyvitamin D(3) to 25-hydroxyvitamin D(3) is predictive of 25-hydroxyvitamin D(3) response to vitamin D(3) supplementation
    Dennis Wagner
    Department of Nutritional Sciences, University of Toronto, Canada
    J Steroid Biochem Mol Biol 126:72-7. 2011
  6. ncbi request reprint Determination of 1,25-dihydroxyvitamin D concentrations in human colon tissues and matched serum samples
    Dennis Wagner
    Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
    Anticancer Res 32:259-63. 2012
  7. doi request reprint Randomized clinical trial of vitamin d3 doses on prostatic vitamin d metabolite levels and ki67 labeling in prostate cancer patients
    Dennis Wagner
    University of Toronto, Department of Nutritional Sciences, 150 College Street, Room 316, Toronto, Ontario, Canada M56 3E2
    J Clin Endocrinol Metab 98:1498-507. 2013

Detail Information

Publications7

  1. pmc Low wintertime vitamin D levels in a sample of healthy young adults of diverse ancestry living in the Toronto area: associations with vitamin D intake and skin pigmentation
    Agnes Gozdzik
    Department of Anthropology, University of Toronto at Mississauga, 3359 Mississauga Road North, Mississauga, Ontario L5L 1C6, Canada
    BMC Public Health 8:336. 2008
    ..The main goal of this study was to examine the vitamin D status and vitamin D intake of young Canadian adults of diverse ancestry during the winter months...
  2. ncbi request reprint The bioavailability of vitamin D from fortified cheeses and supplements is equivalent in adults
    Dennis Wagner
    Department of Nutritional Sciences, University of Toronto, M563E2 Toronto, Canada
    J Nutr 138:1365-71. 2008
    ..003) and supplementation (P = 0.012). These data demonstrate that vitamin D is equally bioavailable from fortified hard cheeses and supplements, making cheese suitable for vitamin D fortification...
  3. doi request reprint Vitamin D3 fortification, quantification, and long-term stability in Cheddar and low-fat cheeses
    Dennis Wagner
    Department of Nutritional Sciences, University of Toronto, 150 College Street, Toronto, Ontario M5S 3E2, Canada
    J Agric Food Chem 56:7964-9. 2008
    ..The fortification process did not alter the yield, chemical composition, or flavor of the Cheddar cheese. We conclude that industrially manufactured Cheddar and low-fat cheeses are suitable for vitamin D3 fortification...
  4. doi request reprint An evaluation of automated methods for measurement of serum 25-hydroxyvitamin D
    Dennis Wagner
    Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada
    Clin Biochem 42:1549-56. 2009
    ..To compare two new automated assays with the well-established reference method, DiaSorin radioimmunoassay (RIA), for quantitation of serum total 25-hydroxyvitamin D [25(OH)D]...
  5. doi request reprint The ratio of serum 24,25-dihydroxyvitamin D(3) to 25-hydroxyvitamin D(3) is predictive of 25-hydroxyvitamin D(3) response to vitamin D(3) supplementation
    Dennis Wagner
    Department of Nutritional Sciences, University of Toronto, Canada
    J Steroid Biochem Mol Biol 126:72-7. 2011
    ..The 24,25:25VD(3) ratio may therefore have clinical utility as a marker for VD(3) catabolism and a predictor of serum 25VD(3) response to VD(3) supplementation...
  6. ncbi request reprint Determination of 1,25-dihydroxyvitamin D concentrations in human colon tissues and matched serum samples
    Dennis Wagner
    Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
    Anticancer Res 32:259-63. 2012
    ..The objectives of this study were to determine whether 1,25(OH)(2)D is present in human colon tissue and to characterize the relationship between human colon tissue and serum 1,25(OH)(2)D concentrations...
  7. doi request reprint Randomized clinical trial of vitamin d3 doses on prostatic vitamin d metabolite levels and ki67 labeling in prostate cancer patients
    Dennis Wagner
    University of Toronto, Department of Nutritional Sciences, 150 College Street, Room 316, Toronto, Ontario, Canada M56 3E2
    J Clin Endocrinol Metab 98:1498-507. 2013
    ..Although Ki67 expression did not differ among dose groups, its levels correlated inversely with prostate calcitriol. These suggestions of clinical benefit justify continued clinical research...