Quantitative sandwich ELISA for measuring Rat 25-hydroxy vitamin D3 (25 HVD3) in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.
Calcifediol is a prehormone which is produced by hydroxylation of vitamin D3 (cholecalciferol) in the liver. Calcidiol is then converted in the kidneys (by the enzyme 25(OH)D-1?-hydroxylase) into calcitriol (1,25-(OH)2D3), a secosteroid hormone that is the active form of vitamin D. It can also be converted into 24-hydroxycalcidiol in the kidneys via 24-hydroxylation.
In medicine, blood concentration of calcidiol is considered the best indicator of vitamin D status. It is the most sensitive measure, though experts have called for improved standardization and reproducibility across different laboratories. The normal range varies widely depending on several factors, including age and geographic location. A broad reference range of 20?150 nmol/L has been suggested, while several studies have defined levels below 80 nmol/L as indicative of vitamin D deficiency.
All of the components are shipped on ice packs/blue ice. Upon receiving the kit keep it at +4 degrees Celsius for up to 1 year (refer to the label on the box for the exact expiration date).
- Reactivity: Rat
- Sample types: serum, whole blood, plasma and other biological fluids
- Detection range: Please inquire
- Sensitivity: Please inquire Quantitative Sandwich ELISA
- Method of detection: Colorimetric
This kit is intended for research use only. It should not be used for human or animal clinical diagnostics or treatment.
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