Home  >  Products  >  ErbB2 (Receptor Tyrosine-protein Kinase erbB-2, Metastatic Lymph Node Gene 19 Protein, MLN 19, Proto-oncogene Neu, Proto-oncogene c-ErbB-2, Tyrosine Kinase-type Cell Surface Receptor HER2, CD340, p185erbB2, HER2, MLN19, NEU, NGL)
ErbB2 (Receptor Tyrosine-protein Kinase erbB-2, Metastatic Lymph Node Gene 19 Protein, MLN 19, Proto-oncogene Neu, Proto-oncogene c-ErbB-2, Tyrosine Kinase-type Cell Surface Receptor HER2, CD340, p185erbB2, HER2, MLN19, NEU, NGL)

ErbB2 (Receptor Tyrosine-protein Kinase erbB-2, Metastatic Lymph Node Gene 19 Protein, MLN 19, Proto-oncogene Neu, Proto-oncogene c-ErbB-2, Tyrosine Kinase-type Cell Surface Receptor HER2, CD340, p185erbB2, HER2, MLN19, NEU, NGL)

Cat no: E3451-27R

Supplier: United States Biological
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The ErbB-2 (HER-2/neu) proto-oncogene encodes a 185kD transmembrane receptor protein. It has partial homology with the epidermal growth factor (EGF) receptor and shares intrinsic tyrosine kinase activity with the receptor. ErbB-2 heterodimerizes with the EGF receptor, ErbB-3 receptor, and the ErbB-4 receptor. In human breast and ovarian cancers the receptor is activated through amplification and over-expression of the wild-type gene. This alteration occurs in 25%-30% of cases and is associated with a poor prognosis. The poor prognosis of ovarian and breast cancer patients associated with ErbB-2-mediated high rate of tumor cell proliferation. ErbB-2 may play a role in the genesis of human gastric, endometrial and salivary gland cancers. The concentration of ErbB-2 protein in serum can be a sensitive indicator for prognosis of the gastric carcinoma that expressed ErbB-2. ErbB-2 oncoprotein is detectable in adenocarcinomas as well as in transitional cell carcinomas. Applications: Suitable for use in Western Blot and Immunohistochemistry. Other applications not tested. Recommended Dilution: Western Blot: 0.5-2ug/ml Immunohistochemistry: 1:300 Staining of formalin-fixed tissues requires boiling of tissue sections in 10mM citrate buffer pH 6.0 for 10min followed by cooling at RT for 20min Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Catalogue number: E3451-27R
Reactivities: Human
Hosts: Rabbit
Applications: Immunohistochemistry, Western Blot
Size: 50ug
Form: Supplied as a liquid in PBS, pH 7.2, 0.05% sodium azide.
P type: Pab
Isotype: IgG
Purity: Purified by immunoaffinity chromatography.
References: 1. Cobleigh, M. et al. J Clin Oncol 17, 2639(1999). 2. Castilla-Guerra L. et al. Histopathology 31, 144 (1997). 3. Yonemura, Y. et al. Cancer 67, 2914 (1991). 4. Coussens L. et al. Science 230,1132 (1985).
Additional info: Recognizes human ErbB-2.

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