AB245336

Anti-ErbB2 / HER2 antibody

Name: Anti-ErbB2 / HER2 antibody (ab245336) | Abcam
Brand: Abcam Limited
SKU: AB245336
Price: 525 USD
Availability: InStock

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(2 Publications)

Rabbit Polyclonal ErbB2 / HER2 antibody. Suitable for IP, WB, IHC-P and reacts with Human samples. Cited in 2 publications. Immunogen corresponding to Synthetic Peptide within Human ERBB2 aa 1200 to C-terminus.

View Alternative Names

CD340, HER2, MLN19, NEU, NGL, ERBB2, Receptor tyrosine-protein kinase erbB-2, Metastatic lymph node gene 19 protein, Proto-oncogene Neu, Proto-oncogene c-ErbB-2, Tyrosine kinase-type cell surface receptor HER2, p185erbB2, MLN 19

3 Images

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-ErbB2 / HER2 antibody (AB245336)

IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-ErbB2 / HER2 antibody (AB245336)

Formalin-fixed, paraffin-embedded human breast carcinoma tissue stained for ErbB2 / HER2 using ab245336 at 1/200 dilution in immunohistochemical analysis. Detection : DAB staining.

Collaborator

Immunoprecipitation - Anti-ErbB2 / HER2 antibody (AB245336)

ErbB 2 was immunoprecipitated from HeLa (human epithelial cell line from cervix adenocarcinoma) whole cell lysate (1 mg for IP, 20% of IP loaded) with ab245336 at 3 μg/mg lysate. Western blot was performed from the immunoprecipitate using ab245336 at 0.04 μg/ml.

Lane 1 : ab245336 IP in HeLa whole cell lysate.
Lane 2 : Control IgG IP in HeLa whole cell lysate.

Detection : Chemiluminescence with exposure time of 10 seconds.

All lanes:

Immunoprecipitation - Anti-ErbB2 / HER2 antibody (ab245336)

Predicted band size: 137 kDa

false

Supplier Data

Western blot - Anti-ErbB2 / HER2 antibody (AB245336)

All lanes:

Western blot - Anti-ErbB2 / HER2 antibody (ab245336) at 1 µg/mL

Lane 1:

HeLa (human epithelial cell line from cervix adenocarcinoma) whole cell lysate at 50 µg

Lane 2:

HeLa whole cell lysate at 15 µg

Lane 3:

HeLa whole cell lysate at 5 µg

Lane 4:

HEK-293T (human epithelial cell line from embryonic kidney transformed with large T antigen) whole cell lysate at 50 µg

Lane 5:

NIH/3T3 (mouse embryo fibroblast cell line) whole cell lysate at 50 µg

Predicted band size: 137 kDa

true

Exposure time: 10s

Key facts

Host species

Rabbit

Clonality

Polyclonal

Isotype

IgG

Carrier free

Reacts with

Human

Applications

IHC-P, WB, IP

applications

Immunogen

Synthetic Peptide within Human ERBB2 aa 1200 to C-terminus. The exact immunogen used to generate this antibody is proprietary information.

P04626

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "IP" : {"fullname" : "Immunoprecipitation", "shortname":"IP"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "IP-species-checked": "testedAndGuaranteed", "IP-species-dilution-info": "1-4 µg/mg of lysate", "IP-species-notes": "", "WB-species-checked": "testedAndGuaranteed", "WB-species-dilution-info": "1/2000 - 1/10000", "WB-species-notes": "", "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "1/100 - 1/500", "IHCP-species-notes": "" }, "Rat": { "IP-species-checked": "predicted", "IP-species-dilution-info": "", "IP-species-notes": "", "WB-species-checked": "predicted", "WB-species-dilution-info": "", "WB-species-notes": "", "IHCP-species-checked": "predicted", "IHCP-species-dilution-info": "", "IHCP-species-notes": "" }, "Dog": { "IP-species-checked": "predicted", "IP-species-dilution-info": "", "IP-species-notes": "", "WB-species-checked": "predicted", "WB-species-dilution-info": "", "WB-species-notes": "", "IHCP-species-checked": "predicted", "IHCP-species-dilution-info": "", "IHCP-species-notes": "" }, "Hamster": { "IP-species-checked": "predicted", "IP-species-dilution-info": "", "IP-species-notes": "", "WB-species-checked": "predicted", "WB-species-dilution-info": "", "WB-species-notes": "", "IHCP-species-checked": "predicted", "IHCP-species-dilution-info": "", "IHCP-species-notes": "" } } }

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Properties and storage information

Form

Liquid

Purification technique

Affinity purification Immunogen

Purification notes

ab245336 was affinity purified using an epitope specific to ErbB immobilized on solid support.

Storage buffer

pH: 6.8 - 7.4 Preservative: 0.09% Sodium azide Constituents: Tris buffered saline, 0.1% BSA

Shipped at conditions

Blue Ice

Appropriate short-term storage duration

1-2 weeks

Appropriate short-term storage conditions

+4°C

Appropriate long-term storage conditions

-20°C

Aliquoting information

Upon delivery aliquot

Storage information

Avoid freeze / thaw cycle

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Supplementary information

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

The ErbB2 also known as HER2 or HER2 protein is a transmembrane receptor protein with a molecular weight of about 185 kDa. It serves as part of the epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases. The ErbB2 protein is expressed mainly in epithelial tissues including those of the breast and the gastrointestinal tract. It lacks a known ligand-binding domain which sets it apart from other members of its family. Due to its structure ErbB2 dimerizes with other members of the EGFR family to exert its effects in cellular signaling.

Biological function summary

The role of ErbB2 extends beyond a singular function. It becomes an active component when forming heterodimers with other EGFR family members such as ErbB3 to initiate various downstream signaling cascades. The dimerization activates intracellular pathways leading to cell proliferation survival differentiation and migration. Within cells ErbB2 influences processes critical for normal development and tissue homeostasis contributing significantly to signal transduction networks.

Pathways

ErbB2 plays a pivotal role in pathways such as the PI3K/Akt and MAPK/ERK pathways. These pathways are important in mediating cellular responses to growth signals. The PI3K/Akt pathway activated by HER2 signaling regulates cell growth and survival while the MAPK/ERK pathway contributes to cell differentiation and proliferation. ErbB2's interaction with proteins like ErbB3 is fundamental in these pathways increasing the amplitude and diversity of downstream signals.

ErbB2 is significantly associated with breast cancer and gastric cancer. The overexpression or gene amplification of HER2 is observed in approximately 20% of breast cancer cases correlating with aggressive tumor growth and poor prognosis. ErbB2-related signaling contributes to oncogenic processes by promoting excessive cell proliferation. Targeting ErbB2 in these cancers is common using therapies such as monoclonal antibodies like trastuzumab. In the context of gastric cancer the role of ErbB2 mirrors its function in breast cancer and targeting HER2 holds therapeutic potential.

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Product protocols

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

Visit the General protocols
Visit the Troubleshooting

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Target data

The protein expressed by the ERBB2 gene is a protein tyrosine kinase involved in several cell surface receptor complexes, requiring a coreceptor for ligand binding. It is an essential component of a neuregulin-receptor complex, although neuregulins do not bind to it directly. GP30 is a potential ligand for this receptor. ERBB2 regulates the outgrowth and stabilization of peripheral microtubules (MTs) via the MEMO1-RHOA-DIAPH1 signaling pathway, which, upon activation, phosphorylates and inhibits GSK3B at the cell membrane. This prevents APC and CLASP2 phosphorylation, allowing their association with the cell membrane, facilitating MACF1 localization necessary for microtubule capture and stabilization. In the nucleus, ERBB2 is involved in transcriptional regulation, associating with the 5'-TCAAATTC-3' sequence in the PTGS2/COX-2 promoter to activate transcription. It is implicated in the transcriptional activation of CDKN1A, involving STAT3 and SRC, and participates in the transcription of rRNA genes by RNA Pol I, thereby enhancing protein synthesis and cell growth. This supplementary information is collated from multiple sources and compiled automatically.

See full target information ERBB2

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Publications (2)

Recent publications for all applications. Explore the full list and refine your search

Cell death discovery 8:178 PubMed35396503

2022

HIF-1α-regulated lncRNA-TUG1 promotes mitochondrial dysfunction and pyroptosis by directly binding to FUS in myocardial infarction.

Applications

Unspecified application

Species

Unspecified reactive species

Yong-Wang Wang,Hong-Zhi Dong,Yong-Xing Tan,Xu Bao,Ying-Man Su,Xin Li,Fang Jiang,Jing Liang,Zhen-Cai Huang,Yan-Ling Ren,Yu-Li Xu,Qiang Su

Journal of inflammation research 14:2601-2617 PubMed34168483

2021

Molecular Examination of Differentially Expressed Genes in the Brains of Experimental Autoimmune Encephalomyelitis Mice Post Herceptin Treatment.

Applications

Unspecified application

Species

Unspecified reactive species

Mena Al-Ani,Noha Mousaad Elemam,Ibrahim Y Hachim,Tom K Raju,Jibran Sualeh Muhammad,Mahmood Y Hachim,Riyad Bendardaf,Azzam A Maghazachi

View all publications

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Product promise

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For full details, please see our Terms & Conditions

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com

Anti-ErbB2 / HER2 antibody

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-ErbB2 / HER2 antibody (AB245336)

Immunoprecipitation - Anti-ErbB2 / HER2 antibody (AB245336)

Western blot - Anti-ErbB2 / HER2 antibody (AB245336)

Key facts

Host species

Clonality

Isotype

Carrier free

Reacts with

Applications

Immunogen

Reactivity data

Properties and storage information

Form

Purification technique

Purification notes

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

Biological function summary

Pathways

Product protocols

Target data

Publications (2)

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