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Formalin-fixed, paraffin-embedded human bladder carcinoma stained with Retinoblastoma Recombinant Rabbit Monoclonal Antibody (RB1/7080R). HIER: Tris/EDTA, pH9.0, 45min. 2°: HRP-polymer, 30min. DAB, 5min.
SDS-PAGE Analysis Purified Rb1 Recombinant Rabbit Monoclonal Antibody (RB1/7080R). Confirmation of Integrity of Purity of Antibody.
Product Details
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Positive Control
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Immunogen
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Mol. Weight of Antigen
Specificity & Comments
Recognizes a 105kDa phosphoprotein, identified as retinoblastoma (Rb) gene product. Its epitope is localized between aa 703-772. It shows no cross reaction with p107 or p130. It specifically stains the nuclei of BT-20 cells and primary human foreskin fibroblast (HFF) cells. It does not stain the Rb-negative BT549 cells. It reacts with the hyperphosphorylated as well as the un (under) phosphorylated form of the Rb protein. Retinoblastoma gene product plays a key role in cell cycle control. It has been identified as a tumor suppressor gene whose loss of its function leads to tumor development. It is widely expressed in a variety of human tissues including breast, esophageal, squamous cell and cervical carcinoma.
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