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ErbB2/Her2 Antibody (4D5-8 (trastuzumab)) - Chimeric - Azide and BSA Free

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-52639

Recombinant Monoclonal Antibody.
Novus Biologicals, part of Bio-Techne

Key Product Details

Species Reactivity

Human

Applications

CyTOF-ready, ELISA, Flow Cytometry, Immunohistochemistry, Immunohistochemistry-Paraffin

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Rabbit IgG Kappa Clone # 4D5-8 (trastuzumab)

Format

Azide and BSA Free

Concentration

1 mg/ml

Product Specifications

Immunogen

A431 cells (human epidermoid carcinoma) (over)expressing EGFR.

Specificity

Oncogenic protein Her-2/neu (erbB-2), a member of the family of epidermal growth factor (EGF) receptors, overexpressed in 30% of invasive breast cancers and 70% of ductal carcinomata in situ, in a small percentage of melanomas, and in other malignancies originating from various organs, including ovary, kidney, colon, and bladder.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG Kappa

Scientific Data Images

Immunohistochemistry-Paraffin: ErbB2/Her2 Antibody (4D5-8 (trastuzumab)) - Chimeric - Azide and BSA Free [NBP2-52639]

Immunohistochemistry-Paraffin: ErbB2/Her2 Antibody (4D5-8 (trastuzumab)) - Chimeric - Azide and BSA Free [NBP2-52639]

Immunohistochemistry-Paraffin: ErbB2/Her2 Antibody (4D5-8 (trastuzumab)) - Chimeric [NBP2-52639] - Immunohistochemical Anti-erbB-2 (Her-2/neu) staining of paraffin embedded human breast tissue using the rabbit-chimeric version of 4D5-8 (trastuzumab) (NBP2-52639). Primary antibody incubation with NBP2-52639 was carried out at 4 ug/ml for 30 minutes. Samples were then incubated with an anti-rabbit IgG HRP secondary antibody for 20 mins followed by DAB (3,3'-diaminobenzidine), and counter-staining with haemotoxylin. Weak membrane staining exclusively of ductal epithelial cells may be observed. Recommended concentration, 4-6 ug/ml.

Applications

Application
Recommended Usage

ELISA

1:100 - 1:2000

Flow Cytometry

1:10 - 1:1000

Immunohistochemistry

1:10 - 1:500
Application Notes
This antibody is Cytof ready. This chimeric rabbit antibody was made using the variable domain sequences of the original Human IgG1 format, for improved compatibility with existing reagents, assays and techniques. This antibody binds to ErbB2/Her2 has therapeutic indications particularly in the treatment of breast cancer (c.f. Herceptin). It can also be used to detect HER-2 by flow cytometry or IHC (Glazyrin 2007).

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

PBS

Format

Azide and BSA Free

Preservative

0.02% Proclin 300

Concentration

1 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C for up to 3 months. For longer storage, aliquot and store at -20C.

Background: ErbB2/Her2

ErbB2/HER2 is one of the four members of the ErbB receptor family of transmembrane receptor-like tyrosine kinases (1). The kinase activity of ErbB2 can be activated without ligand if it is overexpressed, and by association with other ErbB proteins (2). Overexpression of ErbB2 is detected in almost 40% of human breast cancers (3). Binding of c-Cbl ubiquitin ligase to Tyr1112 of ErbB2 leads to poly-ubiquitination of ErbB2 and enhances its degradation (4). ErbB2 is one of the major targets for the treatment of breast cancer and other carcinomas.

Long Name

Receptor Tyrosine Protein Kinase ErbB2

Alternate Names

CD340, HER2, Neu Oncogene, NGL, TKR1, biosimilar antibody, biosimilars

Gene Symbol

ERBB2

Additional ErbB2/Her2 Products

Product Documents

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Product Specific Notices

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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