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  • Human Osteocalcin/Bone gla protein (OT/BGP) ELISA Kit

This assay recognizes recombinant and natural human OT/BGP

Human Osteocalcin/Bone gla protein (OT/BGP) ELISA Kit



Osteocalcin is a noncollagenous protein found in bone and dentin. It is secreted by osteoblasts and thought to play a role in mineralization and calcium ion homeostasis. It has been stipulated that osteocalcin may also function as a negative regulator of bone formation, although its exact role is unknown. As osteocalcin is manufactured by osteoblasts, it is often used as a biochemical marker, or biomarker, for the bone formation process. It has been routinely observed that higher serum-osteocalcin levels are relatively well correlated with increases in bone mineral density (BMD) during treatment with anabolic bone formation drugs for osteoporosis, such as Forteo. In many studies, Osteocalcin is used as a preliminary biomarker on the effectiveness of a given drug on bone formation.

Feature and Advantages

The microtiter plate provided in this kit has been pre-coated with an antibody specific to OT/BGP. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated polyclonal antibody preparation specific for OT/BGP and Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. Then a TMB (3,3'5, 5' tetramethyl-benzidine) substrate solution is added to each well. Only those wells that contain OT/BGP, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The concentration of OT/BGP in the samples is then determined by comparing the O.D. of the samples to the standard curve.

This assay recognizes recombinant and natural human OT/BGP. No significant cross-reactivity or interference was observed.

3.12 ng/ml-200 ng/ml.
The standard curve concentrations used for the ELISA’s were 200 ng/ml, 100 ng/ml, 50 ng/ml, 25 ng/ml, 12.5 ng/ml, 6.25 ng/ml, 3.12 ng/ml.

The minimum detectable dose of human OT/BGP is typically less than 0.78 ng/ml. The sensitivity of this assay, or Lower Limit of Detection (LLD) was defined as the lowest protein concentration that could be differentiated from zero.

Kit component

1. Assay plate 1
2. Standard 2
3. Sample Diluent 1 x 20 ml
4. Biotin-antibody Diluent 1 x 10 ml
5. HRP-avidin Diluent 1 x 10 ml
6. Biotin-antibodyt 1 x 120μl
7. HRP-avidin 1 x 120μl
8. Wash Buffer 1 x 20 ml (25×concentrate)
9. TMB Substrate 1 x 10 ml
10. Stop Solution 1 x 10 ml
Product List

Product Name Cat# Quantity Price

Species : 3.12 ng/ml - 200 ng/ml.
Assay range : 100 µL(Cell Culture Supernates, Plasma,Serum)
Assay sample volume : 6-8 hr.{3 hr

Product Name Cat# Quantity Price

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