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ERBB2/HER2 Recombinant Rabbit mAb (bsm-60020R)  
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產品編號 bsm-60020R
英文名稱 ERBB2/HER2 Recombinant Rabbit mAb
中文名稱 ERBB2/HER2重組兔單抗
別    名 erbB-2 isoform 2; HER2 receptor; Erbb2 protein; CerbB2; c erb B2; C erbB 2; C-erbB2; CD340; Erb B2; erbb2; HER 2; Her-2; HER 2/neu; Her2/neu; Herstatin; MLN 19; MLN19; NEU; NEU Proto Oncogene; Neuro Glioblastoma Derived Oncogene Homolog; NGL; p185 ErbB2; p185erbB2; Receptor Protein Tyrosine Kinase ErbB2 Precursor; Receptor tyrosine protein kinase erbB 2; TKR1; Tyrosine kinase type cell surface receptor HER2; v erb b2 erythroblastic leukemia viral oncogene homolog 2 neuro/glioblastoma derived oncogene homolog(avian); ERBB2_HUMAN; Receptor tyrosine-protein kinase erbB-2; Metastatic lymph node gene 19 protein; Proto-oncogene Neu; Proto-oncogene c-ErbB-2.  
研究領域 腫瘤  細胞生物  免疫學  信號轉導  生長因子和激素  激酶和磷酸酶  細胞類型標志物  
抗體來源 Rabbit
克隆類型 Recombinant
克 隆 號
交叉反應 Human
產品應用 IHC-P=1:100-500,IHC-F=1:400-800,IF=1:100-500
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
理論分子量 185 kDa
檢測分子量
細胞定位 細胞核 細胞漿 細胞膜 
性    狀 Liquid
濃    度 1mg/ml
免 疫 原 KLH conjugated synthetic peptide derived from human ERBB2/HER2 
亞    型 IgG
純化方法 affinity purified by Protein A
緩 沖 液 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol.
保存條件 Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles.
注意事項 This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
PubMed PubMed
產品介紹 This gene encodes a member of the epidermal growth factor (EGF) receptor family of receptor tyrosine kinases. This protein has no ligand binding domain of its own and therefore cannot bind growth factors. However, it does bind tightly to other ligand-bound EGF receptor family members to form a heterodimer, stabilizing ligand binding and enhancing kinase-mediated activation of downstream signalling pathways, such as those involving mitogen-activated protein kinase and phosphatidylinositol-3 kinase. Allelic variations at amino acid positions 654 and 655 of isoform a (positions 624 and 625 of isoform b) have been reported, with the most common allele, Ile654/Ile655, shown here. Amplification and/or overexpression of this gene has been reported in numerous cancers, including breast and ovarian tumors. Alternative splicing results in several additional transcript variants, some encoding different isoforms and others that have not been fully characterized. [provided by RefSeq, Jul 2008].

Function:
Protein tyrosine kinase that is part of several cell surface receptor complexes, but that apparently needs a coreceptor for ligand binding. Essential component of a neuregulin-receptor complex, although neuregulins do not interact with it alone. GP30 is a potential ligand for this receptor. Regulates outgrowth and stabilization of peripheral microtubules (MTs). Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane. This prevents the phosphorylation of APC and CLASP2, allowing its association with the cell membrane. In turn, membrane-bound APC allows the localization of MACF1 to the cell membrane, which is required for microtubule capture and stabilization.
In the nucleus is involved in transcriptional regulation. Associates with the 5'-TCAAATTC-3' sequence in the PTGS2/COX-2 promoter and activates its transcription. Implicated in transcriptional activation of CDKN1A; the function involves STAT3 and SRC. Involved in the transcription of rRNA genes by RNA Pol I and enhances protein synthesis and cell growth.

Subunit:
Heterodimer with each of ,the other ERBB receptors. The constitutively activated oncogenic variant forms a homodimer. Interacts with PRKCABP and PLXNB1. It is a type I membrane protein. Ligand-binding increases phosphorylation on tyrosine residues Belongs to the Tyr protein kinase family. EGF receptor subfamily.

Subcellular Location:
Isoform 1: Cell membrane; Single-pass type I membrane protein. Cytoplasm, perinuclear region. Nucleus.
Isoform 2: Cytoplasm. Nucleus.
Isoform 3: Cytoplasm. Nucleus.

Tissue Specificity:
Expressed in a variety of tumor tissues including primary breast tumors and tumors from small bowel, esophagus, kidney and mouth.

Post-translational modifications:
Autophosphorylated. Ligand-binding increases phosphorylation on tyrosine residues. Autophosphorylation occurs in trans, i.e. one subunit of the dimeric receptor phosphorylates tyrosine residues on the other subunit. Signaling via SEMA4C promotes phosphorylation at Tyr-1248.

DISEASE:
Defects in ERBB2 are a cause of hereditary diffuse gastric cancer (HDGC) [MIM:137215]. A cancer predisposition syndrome with increased susceptibility to diffuse gastric cancer. Diffuse gastric cancer is a malignant disease

Similarity:
Belongs to the protein kinase superfamily. Tyr protein kinase family. EGF receptor subfamily.
Contains 1 protein kinase domain.

SWISS:
P04626

Gene ID:
2064

Database links:

Entrez Gene: 2064 Human

Entrez Gene: 13866 Mouse

Entrez Gene: 24337 Rat

Omim: 164870 Human

SwissProt: P04626 Human

SwissProt: P70424 Mouse

SwissProt: P06494 Rat

Unigene: 446352 Human

Unigene: 290822 Mouse

Unigene: 93966 Rat



細胞膜受體(Membrane Receptors)
c-erbB-2癌基因,在很多癌組織中呈C-erbB-2過度表達。cerbB尤其臨床常用于乳腺癌術后C-erbB-2蛋白、雌激素受體(ER)和孕激素受體(PR)表達情況,旨在進一步探討癌基因蛋白,細胞增殖活性和激素受體與乳腺癌組織學分級及術后生存期的關系,為乳腺癌的病理診斷、預后判斷及治療提供依據。
產品圖片
Tissue:Human breast cancer Section type: Formalin fixed & Paraffin -embedded section Retrieval method: High temperature and high pressure Retrieval buffer: Tris/EDTA buffer, pH 9.0 Primary ab dilution: 1:1000 Primary ab incubation condition: 1 hour at room temperature Counter stain: Hematoxylin Comment: Color brown is the positive signal for bsm-60020R
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