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AB269573

Anti-CD70 antibody [BU69] - BSA and Azide free

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Mouse Monoclonal CD70 antibody. Carrier free. Suitable for Flow Cyt, IHC-Fr and reacts with Human samples.

View Alternative Names

CD70, CD27L, CD27LG, TNFSF7, CD70 antigen, CD27 ligand, Tumor necrosis factor ligand superfamily member 7, CD27-L

4 Images
Immunohistochemistry (Frozen sections) - Anti-CD70 antibody [BU69] - BSA and Azide free (AB269573)
  • IHC-Fr

Supplier Data

Immunohistochemistry (Frozen sections) - Anti-CD70 antibody [BU69] - BSA and Azide free (AB269573)

This image was produced using the same antibody clone but in a different formulation ab77868, PBS and sodium azide.

IHC image of CD70 staining in a section of frozen human kidney RCC performed on a Leica BOND™ system using the standard protocol. The section was fixed in 10% paraformaldehyde (10 min) prior to staining. The section was incubated with ab77868, 5ugml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX. The inset secondary-only control image is taken from an identical assay without primary antibody.

For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.

Flow Cytometry - Anti-CD70 antibody [BU69] - BSA and Azide free (AB269573)
  • Flow Cyt

Supplier Data

Flow Cytometry - Anti-CD70 antibody [BU69] - BSA and Azide free (AB269573)

Overlay histograms showing left Raji and right SHSY5Y cells stained with ab77868 (red line). The cells were incubated in 1x PBS / 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (ab77868) (1x106 in 100μl at 1 μg/ml) for 30 min on ice.

The secondary antibody Goat anti-mouse IgG H&L (Alexa Fluor ® 488, pre-adsorbed) (ab150177) was used at 1/2000 dilution for 30 min at 4°C. Isotype control antibody (black line) was mouse IgG1κ (ab170190) used at the same concentration and conditions as the primary antibody. Unlabeled sample (blue line) was also used as a control.

Acquisition of >5,000 events were collected using a 50 mW Blue laser (488nm) and 530/30 bandpass filter. Events were gated on viable single cells.

This image was produced using the same antibody clone but in a different formulation ab77868, PBS and sodium azide.

Immunohistochemistry (Frozen sections) - Anti-CD70 antibody [BU69] - BSA and Azide free (AB269573)
  • IHC-Fr

Supplier Data

Immunohistochemistry (Frozen sections) - Anti-CD70 antibody [BU69] - BSA and Azide free (AB269573)

This image was produced using the same antibody clone but in a different formulation ab77868, PBS and sodium azide.

Negative tissue image. IHC image of CD70 staining in a section of frozen human prostate carcinoma performed on a Leica BONDTM system using the standard protocol. The section was fixed in 10% paraformaldehyde (10 min) prior to staining. The section was incubated with ab77868, 5ugml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX. The inset secondary-only control image is taken from an identical assay without primary antibody.

For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.

Immunohistochemistry (Frozen sections) - Anti-CD70 antibody [BU69] - BSA and Azide free (AB269573)
  • IHC-Fr

Supplier Data

Immunohistochemistry (Frozen sections) - Anti-CD70 antibody [BU69] - BSA and Azide free (AB269573)

This image was produced using the same antibody clone but in a different formulation ab77868, PBS and sodium azide.

IHC image of CD70 staining in human tonsil frozen tissue section, fixed in 10% paraformaldehyde (10 min). Staining was performed on a Leica Bond system using the standard protocol F. The section was then incubated with ab77868, 5μg/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.

For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.

Key facts

Host species

Mouse

Clonality

Monoclonal

Clone number

BU69

Isotype

IgG1

Light chain type

kappa

Carrier free

Yes

Reacts with

Human

Applications

IHC-Fr, Flow Cyt

applications

Reactivity data

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Product details

ab269573 is the carrier-free version of ab77868.

Want a custom formulation?
This antibody clone is manufactured by Abcam. If you require a custom buffer formulation or conjugation for your experiments, please contact orders@abcam.com

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
Storage buffer
Constituents: PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
Do Not Freeze

Supplementary information

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

CD70 also known as CD27 ligand or CD27L is a type II transmembrane protein with a molecular mass of approximately 30 kDa. It belongs to the tumor necrosis factor (TNF) superfamily and is encoded by the CD70 gene. The expression of CD70 occurs mainly on activated T and B cells dendritic cells and some NK cells but not on resting lymphocytes. In addition CD70 expression is observed in certain malignancies and inflammatory conditions.
Biological function summary

CD70 plays an essential role in the regulation of immune responses. It does this by binding to its receptor CD27 forming a receptor-ligand complex that triggers signaling pathways vital for T cell proliferation survival and differentiation. This interaction also influences the production of immunoglobulins by B cells. CD70-CD27 signaling is particularly important in shaping adaptive immunity enhancing the body's ability to respond to pathogens effectively.

Pathways

CD70 is integral in the activation of the NF-κB and MAPK pathways. These pathways are activated upon the interaction of CD70 with CD27 promoting cell survival proliferation and pro-inflammatory cytokine production. Other proteins related to CD70 through these pathways include TRAF2 and TRAF3 which are essential for downstream signaling events that modulate immune responses.

CD70 has been implicated in autoimmune diseases and certain cancers. For instance it plays a role in the pathogenesis of lupus by contributing to abnormal immune activation. Overexpression of CD70 is also associated with various cancers such as renal cell carcinoma where it can support tumor cell growth and immune evasion. Through these conditions CD70 interacts with proteins like BCL-2 in cancer affecting cell survival pathways while its interaction with CD27 influences the immune deregulation seen in lupus.

Product protocols

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

Target data

Expressed at the plasma membrane of B cells, it is the ligand of the CD27 receptor which is specifically expressed at the surface of T cells (PubMed : 28011863, PubMed : 28011864, PubMed : 8387892). The CD70-CD27 signaling pathway mediates antigen-specific T cell activation and expansion which in turn provides immune surveillance of B cells (PubMed : 28011863, PubMed : 28011864).
See full target information CD70

Product promise

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