Vitamin D and Bone Metabolism
Vitamin D metabolites and Vitamin D-binding protein
The laboratory offers specialized testing of various Vitamin D metabolites and Vitamin D-binding protein.
Measurement of Vitamin D is difficult and is explained by a combination of hydrophobicity, the avidity to binding to vitamin D-binding protein (DBP) and the presence of a large number of similar molecular forms.
Vitamin D metabolites are measured using state of the art techniques based on liquid chromatography tandem mass spectrometry (LC-MS/MS).
Vitamin D-binding protein is measured using an ELISA assay.
The analyses of Vitamin D metabolites and binding protein for clinical use comprise:
- P-25-hydroxy Vitamin D3
- P-25-hydroxy Vitamin D2
- P-1,25-hydroxy Vitamin D3
- P-Vitamin D-binding protein
Bone metabolism
The following markers of bone metabolism are offered:
Markers of Bone formation:
- P-Osteocalcin
- P-Bone specific alkaline phosphatase
- P-Procollagen I N-terminal propeptide (PINP)
Markers of Bone resorption:
- P-CTX-I (crosslinked C-terminal telepeptide of type I collagen)
Further information
Please contact MD, PhD Lene Heickendorff: leneheic@rm.dk, Tel +45 7845 5180.