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06-562

Sigma-Aldrich

Anti-erbB-2/HER-2 Antibody

Upstate®, from rabbit

Synonym(e):

CD340 antigen, CD340 antigen, NEU proto-oncogene, Tyrosine kinase-type cell surface receptor HER2, c-erb B2/neu protein, c-erb B2/neu protein, v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2 (neuro/glioblastoma derived oncogene homolog),

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About This Item

UNSPSC-Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

Biologische Quelle

rabbit

Qualitätsniveau

Antikörperform

purified antibody

Antikörper-Produkttyp

primary antibodies

Klon

polyclonal

Speziesreaktivität

monkey, human, mouse

Speziesreaktivität (Voraussage durch Homologie)

rat

Hersteller/Markenname

Upstate®

Methode(n)

immunohistochemistry: suitable
immunoprecipitation (IP): suitable
western blot: suitable

Isotyp

IgG

NCBI-Hinterlegungsnummer

UniProt-Hinterlegungsnummer

Versandbedingung

dry ice

Posttranslationale Modifikation Target

unmodified

Angaben zum Gen

human ... ERBB2(2064)
mouse ... Erbb2(13866)
rat ... Erbb2(24337)
rhesus monkey ... Erbb2(697573)

Allgemeine Beschreibung

The ErbB-2 proto-oncogene, also called Neu, EGFR-2 or HER-2, is a member of the transmembrane receptor tyrosine kinase family, which also includes EGF receptor and EGFR-3 (HER-3 or ErbB-3). Although, ErbB-2 does not have any known high-affinity ligands, its kinase activity can be activated without ligand by either overexpression or heteroassociation with other members of the ErbB family. Amplification of the ErbB-2 gene and overexpression of its product has been detected in almost 40% of primary human breast tumors, which correlates with poor prognosis in node positive breast cancer. ErbB-2 overexpression is also observed in ovarian, gastric, salivary and non-small cell lung carcinomas. Because of this, ErbB-2 is one of the major drug targets for breast cancer and other cancer treatments.

Spezifität

Recognizes c-erbB-2 (185 kDa), but not c-erbB-1(EGF-R), c-erbB-3 or c-erbB-4.

Immunogen

A KLH-linked peptide (AENPEYLGLDVPV) corresponding to aa 1243-1255 from the human c-erbB-2/HER-2/neu oncoprotein.

Anwendung

Research Category
Zelluläre Signaltransduktion
Research Sub Category
Wachstumsfaktoren & -rezeptoren
Anti-erbB-2/HER-2 Antibody is an antibody against erbB-2/HER-2 for use in IH, IP & WB.
Immunoprecipitation:
4 μg of a previous lot immunoprecipitated erbB-2/HER-2 from 600 μg MCF-7 RIPA lysate, and previously in A431, LNCaP, and c-erbB-2 transfected 3T3/NIH RIPA lysate.

Immunohistochemistry:
A previous lot of antibody has been reported by an independent laboratory, to detect erbB-2/HER-2 in frozen and formalin/paraffin sections of rat breast.

Qualität

Routinely evaluated by Western Blot on HEK293 lysates.

Western Blot Analysis:
1:500 dilution of this lot detected Her-2 on 10 μg of HEK293 lysates.

Zielbeschreibung

185 kDa

Verlinkung

Replaces: 04-1127

Physikalische Form

Protein A purified
Format: Purified
Purified rabbit polyclonal IgG in buffer containing 10 mM PBS, pH 7.4, 0.2% BSA and 0.09% sodium azide. Frozen solution.

Lagerung und Haltbarkeit

Stable for 1 year at -20ºC from date of receipt.
Handling Recommendations: Upon receipt, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Hinweis zur Analyse

Control
A431 cells, HEK293, Jurkat, MCF7 cell lysate.

Sonstige Hinweise

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Rechtliche Hinweise

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

Haftungsausschluss

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Empfehlung

Lagerklassenschlüssel

12 - Non Combustible Liquids

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

Besitzen Sie dieses Produkt bereits?

In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

Different mechanisms are implicated in ERBB2 gene overexpression in breast and in other cancers.
Vernimmen, D; Gueders, M; Pisvin, S; Delvenne, P; Winkler, R
British Journal of Cancer null
Introducing the cancer microenvironment section of Journal of Translational Medicine.
Fernando Vidal-Vanaclocha,Isaac P Witz
Journal of Translational Medicine null
Satomi Watanabe et al.
Cancer medicine, 8(3), 1258-1268 (2019-02-01)
HER2-targeted therapy, especially the anti-HER2 antibody trastuzumab, is standard for HER2-positive breast cancer; however, its efficacy is limited in a subpopulation of patients. HER3 ligand (heregulin)-dependent HER2-HER3 interactions play a critical role in the evasion of apoptosis and are therefore
Pathologic findings from the National Surgical Adjuvant Breast and Bowel Project: prognostic significance of erbB-2 protein overexpression in primary breast cancer.
Paik, S, et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 8, 103-112 (1990)
Increased expression of epidermal growth factor receptor induces sequestration of extracellular signal-related kinases and selective attenuation of specific epidermal growth factor-mediated signal transduction pathways.
Amyn A Habib, Soo Jin Chun, Benjamin G Neel, Timothy Vartanian
Molecular Cancer Research null

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