Osteoporosis, bone & mineral

Critical Role for 24-Hydroxylation in Homeostatic Regulation of Vitamin D Metabolism

J Clin Endocrinol MetabPublished Mechanistic study

Study context

Population
Otherwise healthy community participants with vitamin D (VitD) deficiency (25(OH)D ≤20 ng/mL)
Participants
11 participants
Comparison
Before vs after VitD3 supplementation
Outcome
VitD metabolites and 24-hydroxylase activity after VitD3 supplementation
Follow-up
Before and after VitD3 supplementation
Methodological detailscrossover, before and after VitD3 supplementation
  • Crossover
  • Before and after VitD3 supplementation

Main finding

As reported in the abstract

before and after VitD3 supplementation

Mean 25(OH)D increased with VitD3 supplementation

2.7-fold

24,25(OH)2D increased with VitD3 supplementation

4.3-fold

Correlation of total plasma 25(OH)D with modeled 24-hydroxylase activity (h)

ρ = 0.51

P = .01

Correlation of 24,25(OH)2D/25(OH)D ratio with modeled 24-hydroxylase activity (h)

ρ = 0.37

P = .3

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Critical Role for 24-Hydroxylation in Homeostatic Regulation of Vitamin D Metabolism. J Clin Endocrinol Metab. Published 14 March 2024. doi:10.1210/clinem/dgae156

Composed by AI from the published abstract and checked against it. How Briefs are made →

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