Assessment of 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D-3 concentrations in male and female multiple sclerosis patients and control volunteers

Andrea Lowe-Strong

Research output: Contribution to journalArticle

Abstract

Populations with insufficient ultraviolet exposure and who consume diets low in vitamin D have low vitamin D status (plasma 25-hydroxyvitamin D (25(OH)D) concentrations) and a reported higher incidence of multiple sclerosis (MS). The active form of vitamin D, 1,25-dihydroxyvitamin D-3 (1,25(OH)(2)D-3), is an effective anti-inflammatory molecule. No research to date has assessed 1,25(OH)2D3 concentrations in individuals with MS. In this study, plasma concentrations of 25(OH)D, 1,25(OH)(2)D-3 and parathyroid hormone (PTH) were measured in 29 individuals with MS and 22 age- and sex-matched control volunteers. There were no significant differences in plasma PTH, 25(OH)D and 1,25(OH)2D3 concentrations between individuals with MS and control volunteers. Women with MS had significantly higher 25(OH)D and 1,25(OH)2D3 concentrations than men with MS (79.1 +/- 45.4 versus 50.2 +/- 15.3nmol/L, P=0.019 and 103.8 +/- 36.8 versus 70.4 +/- 28.7pmol/L, P=0.019, respectively). There was a significant positive correlation between 25(OH)D and 1,25(OH)(2)D-3 concentrations in all subjects (r=0.564, P=0.000), but secondary analysis revealed that the correlation was driven by women with MS (r=0.677, P=0.001). Significant sex differences in vitamin D metabolism were observed and were most marked in individuals with MS ' suggesting that vitamin D requirements may differ between the sexes, as well as by underlying disease state.
LanguageEnglish
Pages670-672
JournalMultiple Sclerosis
Volume13
Issue number5
DOIs
Publication statusPublished - 2007

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Multiple Sclerosis
Volunteers
Vitamin D
Parathyroid Hormone
1,25-dihydroxyvitamin D
25-hydroxyvitamin D
Sex Characteristics
Anti-Inflammatory Agents
Diet
Incidence
Research
Population

Cite this

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title = "Assessment of 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D-3 concentrations in male and female multiple sclerosis patients and control volunteers",
abstract = "Populations with insufficient ultraviolet exposure and who consume diets low in vitamin D have low vitamin D status (plasma 25-hydroxyvitamin D (25(OH)D) concentrations) and a reported higher incidence of multiple sclerosis (MS). The active form of vitamin D, 1,25-dihydroxyvitamin D-3 (1,25(OH)(2)D-3), is an effective anti-inflammatory molecule. No research to date has assessed 1,25(OH)2D3 concentrations in individuals with MS. In this study, plasma concentrations of 25(OH)D, 1,25(OH)(2)D-3 and parathyroid hormone (PTH) were measured in 29 individuals with MS and 22 age- and sex-matched control volunteers. There were no significant differences in plasma PTH, 25(OH)D and 1,25(OH)2D3 concentrations between individuals with MS and control volunteers. Women with MS had significantly higher 25(OH)D and 1,25(OH)2D3 concentrations than men with MS (79.1 +/- 45.4 versus 50.2 +/- 15.3nmol/L, P=0.019 and 103.8 +/- 36.8 versus 70.4 +/- 28.7pmol/L, P=0.019, respectively). There was a significant positive correlation between 25(OH)D and 1,25(OH)(2)D-3 concentrations in all subjects (r=0.564, P=0.000), but secondary analysis revealed that the correlation was driven by women with MS (r=0.677, P=0.001). Significant sex differences in vitamin D metabolism were observed and were most marked in individuals with MS ' suggesting that vitamin D requirements may differ between the sexes, as well as by underlying disease state.",
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Assessment of 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D-3 concentrations in male and female multiple sclerosis patients and control volunteers. / Lowe-Strong, Andrea.

In: Multiple Sclerosis, Vol. 13, No. 5, 2007, p. 670-672.

Research output: Contribution to journalArticle

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AU - Lowe-Strong, Andrea

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AB - Populations with insufficient ultraviolet exposure and who consume diets low in vitamin D have low vitamin D status (plasma 25-hydroxyvitamin D (25(OH)D) concentrations) and a reported higher incidence of multiple sclerosis (MS). The active form of vitamin D, 1,25-dihydroxyvitamin D-3 (1,25(OH)(2)D-3), is an effective anti-inflammatory molecule. No research to date has assessed 1,25(OH)2D3 concentrations in individuals with MS. In this study, plasma concentrations of 25(OH)D, 1,25(OH)(2)D-3 and parathyroid hormone (PTH) were measured in 29 individuals with MS and 22 age- and sex-matched control volunteers. There were no significant differences in plasma PTH, 25(OH)D and 1,25(OH)2D3 concentrations between individuals with MS and control volunteers. Women with MS had significantly higher 25(OH)D and 1,25(OH)2D3 concentrations than men with MS (79.1 +/- 45.4 versus 50.2 +/- 15.3nmol/L, P=0.019 and 103.8 +/- 36.8 versus 70.4 +/- 28.7pmol/L, P=0.019, respectively). There was a significant positive correlation between 25(OH)D and 1,25(OH)(2)D-3 concentrations in all subjects (r=0.564, P=0.000), but secondary analysis revealed that the correlation was driven by women with MS (r=0.677, P=0.001). Significant sex differences in vitamin D metabolism were observed and were most marked in individuals with MS ' suggesting that vitamin D requirements may differ between the sexes, as well as by underlying disease state.

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