D0196 Sigma

Doxercalciferol

≥98% (HPLC), solubility: >10 mg/mL in DMSO

DOWNLOAD MSDS (PDF)

Synonym: (5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraene-1α,3β-diol, (5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraene-1?,3?-diol, 1α-Hydroxyergocalciferol, 1α-Hydroxyvitamin D2, 1α-OHD2, 1-α-Hydroxyvitamin D2, 1-Hydroxyergocalciferol, TSA 840

  • CAS Number 54573-75-0

  • Empirical Formula (Hill Notation) C28H44O2

  • Molecular Weight 412.65

  •  MDL number MFCD00871065

Properties

Related Categories Cell Biology, Cell Signaling and Neuroscience, Gene Regulation, Gene Regulation and Expression, Metabolic Pathways,
assay   ≥98% (HPLC)
form   powder
storage condition   desiccated
solubility   DMSO: >10 mg/mL
shipped in   wet ice
storage temp.   −20°C

Description

Biochem/physiol Actions

Doxercalciferol is a Vitamin D2 analogue, a Vitamin D Receptor Activator (VDRA). Doxercalciferol acts as a pro-hormone, needing 25-hydroxylation in the liver for bioactivation into 1α, 25-hydroxyvitamin D2. Pivotal studies in adults on dialysis have demonstrated control of secondary hyperparathyroidism that is superior to placebo therapy, without undue suppression of 1st IMA-PTH < 300 pg/mL, or occurrences of hypercalcemia. Doxercalciferol has been shown to be effective in controlling secondary hyperparathyroidism of adult patients with CKD stages 3-4.

Doxercalciferol is a vitamin D2 analog that acts as a pro-hormone, activated in the liver to 1α,25-dihydroxyvitamin D2. Despite its relatively low affinity for the vitamin D receptor (VDR) (before activation), it is effective at suppressing expression of the parathyroid hormone (PTH) gene, and appears to act through the VDR.

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