Anti-Osteopontin antibody [EPR21139-316]
- BOND RX™ Validated
- RabMAb
- Recombinant
- 20ul selling size
- What is this?
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(1 Review)
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(92 Publications)
Anti-Osteopontin antibody [EPR21139-316] (ab214050) is a rabbit monoclonal antibody detecting Osteopontin in Western Blot, IP, IHC-P. Suitable for Human.
- Biophysical QC for unrivalled batch-batch consistency
- Over 40 publications
View Alternative Names
BNSP, OPN, PSEC0156, SPP1, Osteopontin, Bone sialoprotein 1, Nephropontin, Secreted phosphoprotein 1, Urinary stone protein, Uropontin, SPP-1
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Osteopontin antibody [EPR21139-316] (AB214050)
Immunohistochemical analysis of paraffin-embedded human kidney tissue labeling Osteopontin with ab214050 at 1/2000 dilution, followed by Rabbit specific IHC polymer detection kit HRP/DAB (ab209101) Ready to use. Cytoplasmic staining in distal tubules of human kidney (PMID : 17938278), performed on a Leica Biosystems BOND® RX instrument. Counter stained with hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) Ready to use.
Perform heat-mediated antigen retrieval with sodium citrate buffer (pH 6.0, epitope retrieval solution 1) for 10 minutes.
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Osteopontin antibody [EPR21139-316] (AB214050)
Immunohistochemical analysis of paraffin-embedded human liver tissue labeling Osteopontin with ab214050 at 1/2000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) Ready to use. Cytoplasmic staining in bile ducts of human liver (PMID : 16221502). Counter stained with hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) Ready to use.
Perform heat-mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).
- IP
Supplier Data
Immunoprecipitation - Anti-Osteopontin antibody [EPR21139-316] (AB214050)
Osteopontin was immunoprecipitated from 0.35 mg of human kidney lysate with ab214050 at 1/30 dilution. Western blot was performed from the immunoprecipitate using ab214050 at 1/1000 dilution. VeriBlot for IP Detection Reagent (HRP) (ab131366), was used for detection at 1/5,000 dilution
Lane 1 : Human kidney lysate 10 μg (Input).
Lane 2 : ab214050 IP in human kidney lysate.
Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab214050 in human kidney lysate.
Blocking and dilution buffer and concentration : 5% NFDM/TBST.
Exposure time : 3 minutes.
The multiple bands observed are likely due to expression of different isoforms, as well as glycosylation (PMID : 8761944; PMID : 11375993; PMID : 8535240; PMID : 12890718).
All lanes:
Immunoprecipitation - Anti-Osteopontin antibody [EPR21139-316] (ab214050)
Predicted band size: 35 kDa
false
- WB
Supplier Data
Western blot - Anti-Osteopontin antibody [EPR21139-316] (AB214050)
Blocking/Dilution buffer : 5% NFDM/TBST.
The multiple bands observed are likely due to expression of different isoforms, as well as glycosylation (PMID : 8761944; PMID : 11375993; PMID : 8535240; PMID : 12890718).
The identity of the 90kDa band is unknown.
All lanes:
Western blot - Anti-Osteopontin antibody [EPR21139-316] (ab214050) at 1/1000 dilution
Lane 1:
Human urine at 20 µg
Lane 2:
Human fetal kidney lysate at 10 µg
Secondary
Lane 1:
Western blot - VeriBlot for IP Detection Reagent (HRP) (<a href='/en-us/products/reagents/veriblot-for-ip-detection-reagent-hrp-ab131366'>ab131366</a>) at 1/1000 dilution
Lane 2:
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
Predicted band size: 35 kDa
Observed band size: 45 kDa,60 kDa,70 kDa
false
Exposure time: 26s
- WB
Lab
Western blot - Anti-Osteopontin antibody [EPR21139-316] (AB214050)
In Western blot, anti-GAPDH antibody (ab181602) loading control staining at 1/1000000 dilution.
Blocking and diluting buffer and concentration : 5% NFDM/TBST.
Low expressing sample : MCF7 (PMID : 16288209); PANC-1 (PMID : 34572536).
All lanes:
Western blot - Anti-Osteopontin antibody [EPR21139-316] (ab214050) at 1/1000 dilution
Lane 1:
A549 (human lung carcinoma epithelial cell) whole cell lysate at 20 µg
Lane 2:
NCI-H460 (human Large Cell Lung Cancer epithelial cell) whole cell lysate at 20 µg
Lanes 3 - 4:
NCI-H1299 (human lung carcinoma epithelial cell) whole cell lysate at 20 µg
Lane 5:
MCF7 (human breast adenocarcinoma epithelial cell) whole cell lysate at 20 µg
Lane 6:
PANC-1 (human pancreatic epithelioid carcinoma epithelial cell) whole cell lysate 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: 36 kDa
false
Exposure time: 80s
- WB
Supplier Data
Western blot - Anti-Osteopontin antibody [EPR21139-316] (AB214050)
Blocking and diluting buffer concentration : 5% NFDM/TBST.
We suggest treating cells with BFA which inhibits protein secretion.
All lanes:
Western blot - Anti-Osteopontin antibody [EPR21139-316] (ab214050) at 1/1000 dilution
Lane 1:
Untreated HepG2 (Human hepatocellular carcinoma epithelial cell) whole cell lysate at 20 µg
Lane 2:
HepG2 treated with 300ng/ml BFA for 3h whole cell lysate 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
Predicted band size: 35 kDa
Observed band size: 60 kDa
false
Exposure time: 60s
- WB
Supplier Data
Western blot - Anti-Osteopontin antibody [EPR21139-316] (AB214050)
Blocking/Dilution buffer : 5% NFDM/TBST.
The his-tagged recombinant protein was produced in a mammalian expression system, thereby allowing it to be post-translationally modified.
All lanes:
Western blot - Anti-Osteopontin antibody [EPR21139-316] (ab214050) at 1/1000 dilution
All lanes:
Human Osteopontin recombinant protein (aa17-300) produced in a mammalian expression at 0.01 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
Predicted band size: 35 kDa
Observed band size: 60-65 kDa
false
Exposure time: 26s
- WB
CiteAb
Western blot - Anti-Osteopontin antibody [EPR21139-316] (AB214050)
Osteopontin western blot using anti-Osteopontin antibody [EPR21139-316] ab214050. Publication image and figure legend from Chen, P., Chen, Y., et al., 2019, Aging (Albany NY), PubMed 31449494.
ab214050 was used in this publication in western blot. This may not be the same as the application(s) guaranteed by Abcam. For a full list of applications guaranteed by Abcam for ab214050 please see the product overview.
Hub proteins and potential pathway proteins were increased in AS plaques, especially in tissue sections of ruptured plaques. (A) Detection of hub proteins (SPP1, MMP9, CCL4, and CCL18) and potential pathway proteins (PPARγ, C/EBP and FABP4) in ruptured plaques and adjacent normal tissues by western blots. β-actin was used as a loading control. Bands were quantified with ImageJ software. (B) Line chart showing IOD/area of proteins in immunoblot analysis. Red squares represent AS plaques, and the green circles indicate adjacent normal tissues. The different colored lines represent the trend of protein expression. (C, D) H&E (a) and Movat (b and c, low and high power) staining and immunoperoxidase antibody staining using anti-CD68 (d), anti-SPP1 (e), anti-MMP9 (f), anti-CCL4 (g), and anti-CCL18 (h). Ca, calcification; PR, plaque rupture; Th, thrombus.
false
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Reactivity data
Product details
Product Specifications
Anti-Osteopontin antibody [EPR21139-316] (ab214050) was developed by Abcam using patented rabbit monoclonal antibody technology and is validated for use in IHC-P, IP, WB in human samples.
Anti-Osteopontin antibody [EPR21139-316] (ab214050) specifically detects Osteopontin (UniProt ID: P10451; Molecular weight: 34kDa) and is sold in 100 µL and 1 mL selling sizes.
Quality and Validation
Abcam's high quality manufacturing and validation processes ensure Anti-Osteopontin antibody [EPR21139-316] (ab214050) has high sensitivity and specificity alongside high lot-to-lot consistency and reproducibility.
Anti-Osteopontin antibody [EPR21139-316] (ab214050) has been cited over 40 times in peer reviewed journals and is trusted by the scientific community.
Related Products
Antibody clone EPR21139-316 is also available pre-conjugated to a variety of labels for your convenience - Alexa Fluor® 488, Alexa Fluor® 594, Alexa Fluor® 647, Alexa Fluor® 555 (ab282004, ab282279, ab283696, ab309603).
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.
Properties and storage information
Form
Purification technique
Storage buffer
Shipped at conditions
Appropriate short-term storage duration
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Aliquoting information
Storage information
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
Osteopontin affects cell adhesion migration and survival. It does not form part of a known large complex but interacts closely with its integrin receptors. Osteopontin modulates immune responses and aids in bone remodeling by affecting osteoclast and osteoblast functions. It is also influential in inflammation processes where it orchestrates the recruitment and activation of macrophages. The osteopontin function is significant in both physiological processes and pathologies marking it as an important protein to study in numerous biological contexts.
Pathways
Osteopontin is integral to both the bone remodeling and immune response pathways. It collaborates with proteins like osteocalcin and matrix metalloproteinases within these processes. In the bone remodeling pathway osteopontin mediates communication between osteoclasts and osteoblasts impacting bone resorption and formation. In the immune response pathway it coordinates with cytokines such as interleukin-6 to modulate immune cell activities. Its roles in these pathways indicate its multifunctional nature and its impact across different biological systems.
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Target data
Publications (92)
Recent publications for all applications. Explore the full list and refine your search
Nature cancer : PubMed40854985
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Nature communications 16:6770 PubMed40695827
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Nature communications 16:6769 PubMed40695833
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BMC oral health 25:1227 PubMed40696336
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Cancers 17: PubMed40647383
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BMC biotechnology 25:55 PubMed40597198
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Scientific reports 15:19979 PubMed40481141
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Frontiers in immunology 16:1568556 PubMed40453096
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Nature communications 16:5007 PubMed40442104
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Journal of cell communication and signaling 19:e70016 PubMed40401147
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Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
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