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AB309522

Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free

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Rabbit Recombinant Monoclonal Osteocalcin antibody. Carrier free. Suitable for WB, Dot and reacts with Transfected cell lysate - Mouse, Mouse, Recombinant fragment - Mouse samples.

View Alternative Names

Ocn, Bglap, Osteocalcin, OG1, Bone Gla protein, Gamma-carboxyglutamic acid-containing protein, BGP

4 Images
Western blot - Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free (AB309522)
  • WB

Lab

Western blot - Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free (AB309522)

Western blot : Anti-OCN antibody [EPR24665-63] (ab309521) staining at 1/1000 dilution, shown in green; Mouse anti-GAPDH antibody [6C5] (ab8245) loading control staining at 1/20000 dilution, shown in magenta. In Western blot, ab309521 was shown to bind specifically to OCN. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 5 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged after ECL incubation followed by 20 minute exposure. Secondary antibodies used were HRP conjugated Goat anti-Rabbit (H+L) and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution.

All lanes:

Western blot - Anti-Osteocalcin antibody [EPR24665-63] (<a href='/en-us/products/primary-antibodies/osteocalcin-antibody-epr24665-63-ab309521'>ab309521</a>) at 1/1000 dilution

Lane 1:

MC3T3-E1 undifferentiated whole lysate cell lysate at 20 µg

Lane 2:

MC3T3-E1 7-day Osteogenic differentiation Whole Lysate cell lysate at 20 µg

Lane 3:

MC3T3-E1 14-day Osteogenic differentiation Whole Lysate cell lysate at 20 µg

Lane 4:

MC3T3-E1 28-day Osteogenic differentiation Whole Lysate cell lysate at 20 µg

Lane 5:

NIH/3T3 cell lysate at 20 µg

Lane 6:

C2C12 cell lysate at 20 µg

Secondary

All lanes:

Western blot - VeriBlot for IP Detection Reagent (HRP) (<a href='/en-us/products/reagents/veriblot-for-ip-detection-reagent-hrp-ab131366'>ab131366</a>)

false

Western blot - Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free (AB309522)
  • WB

Supplier Data

Western blot - Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free (AB309522)

This data was developed using ab309521, the same antibody clone in a different buffer formulation. Blocking and diluting buffer and concentration : 5% NFDM/TBST Low expression : mouse brain (PMID : 7575621), mouse lung (PMID : 7575621). In Western blot, anti-GAPDH antibody (ab181602) loading control staining at 1/200000 dilution. Exposure time : 180 seconds

All lanes:

Western blot - Anti-Osteocalcin antibody [EPR24665-63] (<a href='/en-us/products/primary-antibodies/osteocalcin-antibody-epr24665-63-ab309521'>ab309521</a>) at 1/1000 dilution

Lane 1:

Mouse articar cartilage tissue lysate 50 at 20 µg

Lane 2:

Mouse brain tissue lysate at 20 µg

Lane 3:

Mouse lu tissue lysate 50 at 20 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/20000 dilution

Observed band size: 15 kDa

false

Exposure time: 180s

Dot Blot - Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free (AB309522)
  • Dot

Supplier Data

Dot Blot - Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free (AB309522)

This data was developed using ab309521, the same antibody clone in a different buffer formulation. Dot blot analysis of Osteocalcin using ab309521 at 1 : 1000 (0.516 ug/ml) followed by a Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated (ab97051) at 1 : 100,000 dilution. Lane 1 : Mouse Bglap1 recombinant protein Lane 2 : Mouse Bglap3 recombinant protein Lane 3 : Mouse Bglap2 recombinant protein Exposure time : 37 seconds Blocking and diluting buffer and concentration : 5% NFDM/TBST

Western blot - Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free (AB309522)
  • WB

Supplier Data

Western blot - Anti-Osteocalcin antibody [EPR24665-63] - BSA and Azide free (AB309522)

This data was developed using ab309521, the same antibody clone in a different buffer formulation. Blocking and diluting buffer and concentration : 5% NFDM/TBST In Western blot, anti- H3 antibody (ab176842) loading control staining at 1/100000 dilution. Anti-His antibody (ab213204) staining at 1/5000 dilution. Exposure time : 48 seconds

All lanes:

Western blot - Anti-Osteocalcin antibody [EPR24665-63] (<a href='/en-us/products/primary-antibodies/osteocalcin-antibody-epr24665-63-ab309521'>ab309521</a>) at 1/1000 dilution

Lane 1:

293T cells transfected with an empty vector containi a his tag whole cell lysate 20 at 20 µg

Lane 2:

293T cells transfected with a mosue Osteocalcin expression vector containi a His-tag whole cell lysate 20 at 20 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution

Observed band size: 15 kDa

false

Exposure time: 48s

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR24665-63

Isotype

IgG

Carrier free

Yes

Reacts with

Mouse

Applications

Dot, WB

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Product details

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Constituents: PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Osteocalcin also known as bone gamma-carboxyglutamic acid-containing protein (BGLAP) is a small non-collagenous protein with a molecular weight of approximately 5.8 kDa. This protein is mainly expressed in osteoblasts which are bone-forming cells. It is an important component of the bone matrix and is involved in bone mineralization. Osteocalcin binds to calcium and incorporates into the hydroxyapatite crystals in the bone helping stabilize the bone structure. Researchers often study this protein as a marker for bone formation and turnover.
Biological function summary

Osteocalcin plays a significant role in regulating glucose metabolism and fat deposition. It acts as a hormone from the bone and influences energy metabolism and insulin sensitivity. Osteocalcin undergoes carboxylation a post-translational modification necessary for its function in bone. Beyond its structural role demineralized osteocalcin has been found to impact pancreatic β-cell function adipose tissue and male fertility although the pathways in these processes are not entirely understood yet.

Pathways

Osteocalcin is associated with the energy metabolism and bone remodeling pathways. It interacts with the insulin signaling pathway influencing insulin secretion by pancreatic β-cells and boosting insulin sensitivity. This interaction involves proteins like insulin receptor substrate 1 (IRS1) and glucose transporter type 4 (GLUT4) which play roles in glucose uptake. Osteocalcin also connects to bone remodeling pathways by influencing osteoclast differentiation and activity through osteoprotegrin and receptor activator of nuclear factor kappa-B ligand (RANKL).

Dysregulation of osteocalcin levels associates with metabolic syndrome and osteoporosis. It is linked with insulin resistance affecting glucose homeostasis and potentially contributing to diabetes development. Osteocalcin's involvement in bone density maintenance also makes it relevant in osteoporosis where bone formation balance is disrupted. The receptor activator of nuclear factor kappa-B ligand (RANKL) and osteoprotegrin which osteocalcin interacts with are other proteins connected to the pathogenesis of these conditions. Understanding osteocalcin's function helps in exploring therapeutic targets for these diseases.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

The carboxylated form is one of the main organic components of the bone matrix, which constitutes 1-2% of the total bone protein (By similarity). Acts as a negative regulator of bone formation and is required to limit bone formation without impairing bone resorption or mineralization (PubMed : 8684484). Binds strongly to apatite and calcium upon gamma-carboxylation; this modification is essential for bone metabolism (PubMed : 17693256).. The uncarboxylated form acts as a hormone secreted by osteoblasts, which regulates different cellular processes, such as energy metabolism, male fertility and brain development (PubMed : 17693256, PubMed : 20655470, PubMed : 20655471, PubMed : 21333348, PubMed : 24074871). Regulates of energy metabolism by acting as a hormone favoring pancreatic beta-cell proliferation, insulin secretion and sensitivity and energy expenditure (PubMed : 17693256, PubMed : 20655470, PubMed : 20655471). Uncarboxylated osteocalcin hormone also promotes testosterone production in the testes : acts as a ligand for G protein-coupled receptor GPRC6A at the surface of Leydig cells, initiating a signaling response that promotes the expression of enzymes required for testosterone synthesis in a CREB-dependent manner (PubMed : 21333348). Also acts as a regulator of brain development : osteocalcin hormone crosses the blood-brain barrier and acts as a ligand for GPR158 on neurons, initiating a signaling response that prevents neuronal apoptosis in the hippocampus, favors the synthesis of all monoamine neurotransmitters and inhibits that of gamma-aminobutyric acid (GABA) (PubMed : 24074871, PubMed : 28851741). Osteocalcin also crosses the placenta during pregnancy and maternal osteocalcin is required for fetal brain development (PubMed : 24074871).
See full target information Bglap

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