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Introduction | Osteocalcin (also known as bone gamma-carboxyglutamic acid-containing protein BGLAP) is a protein hormone produced by osteoblasts used to regulate bone growth. The unprocessed protein weighs approximately 10 kDa, which decreases to just 5 kDa upon removal of the signal and pro-peptide. It contains multiple vitamin K-dependent gamma-carboxyglutamic (GLA) domains that bind calcium, potentially explaining why calcium and vitamin K2 deficiencies often result in osteoporosis. The uncarboxylated isoform of BGLAP appears to have different functions relating to insulin production. Osteocalcin knockout mice have altered bone composition and are more likely to develop diabetes. |
Target | Osteocalcin (BGLAP) |
Reactivity | Human |
Tested Applications | ELISA |
Recommended dilutions | Optimal dilutions/concentrations should be determined by the end user. |
Storage | Shipped at 4 °C. Upon receipt, store the kit according to the storage instruction in the kit's manual. |
Validity | The validity for this kit is at least 6 months. Up to 12 months validity can be provided on request. |
Stability | The stability of the kit is determined by the rate of activity loss. The loss rate is less than 5% within the expiration date under appropriate storage conditions. To minimize performance fluctuations, operation procedures and lab conditions should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same user throughout. |
UniProt Primary AC | P02818 (UniProt, ExPASy) |
UniProt Secondary AC | Q5TCK6 |
UniProt Entry Name | OSTCN_HUMAN |
Gene Symbol | BGLAP |
GeneID | 632 |
OMIM | 112260 |
HGNC | 1043 |
KEGG | hsa:632 |
Ensembl | ENSG00000242252 |
String | 9606.ENSP00000357255 |
Test Range | 0.31 ng/ml - 20 ng/ml |
Sensitivity | 0.19 ng/ml |
Standard Form | Lyophilized |
Detection Method | Colorimetric |
Assay Type | Sandwich |
Assay Data | Quantitative |
Sample Type | Serum, plasma and other biological fluids. |
Plate Coating | Antibody |
Kit Components | The kit components listed are for reference only. The product manual may differ slightly. The product should be used as stated on the product manual included and delivered together with the product.
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Material Required But Not Provided |
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Assay Procedure | This procedure is provided for reference only. The product manual may differ slightly. The product should be used as stated on the product manual included and delivered together with the product.
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Assay Precision | Intra-assay Precision (Precision within an assay): 3 samples with low, medium and high levels of Osteocalcin (BGLAP) were tested 20 times on one plate, respectively. Inter-assay Precision (Precision between assays): 3 samples with low, medium and high levels of Osteocalcin (BGLAP) were tested on 3 different plates, 8 replicates in each plate. CV (%) = (Standard Deviation / mean) × 100 Intra-Assay: CV<10% Inter-Assay: CV<10% |
Availability | Shipped within 5-7 working days. |
Note | This product is for research use only. The range and sensitivity is subject to change. Please contact us for the latest product information. For accurate results, sample concentrations must be diluted to mid-range of the kit. If you require a specific range, please contact us in advance or write your request in your order comments. Please note that our ELISA and CLIA kits are optimised for detection of native samples, rather than recombinant proteins. We are unable to guarantee detection of recombinant proteins, as they may have different sequences or tertiary structures to the native protein. |
Plate coated with | Antibody |