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"Inactive" } ] } ] }, "ProductSpec": [ { "ProductSpecVariant": { "Chapters": [ { "Name": "Storage Conditions (Product)", "Value": "Upon receipt and when not in use, store at 2-8°C. Do not freeze.", "Language": "en", "Country": "XG", "Code": "Storage Conditions (Product)" }, { "Name": "Principle", "Value": "BG8, LewisY (F3) Mouse Monoclonal Antibody (this antibody) may be used as the primary antibody for immunohistochemical staining of formalin-fixed, paraffin-embedded tissue sections. In general, immunohistochemical staining allows the visualization of antigens via the sequential application of a specific antibody (primary antibody) to the antigen, a secondary antibody (link antibody) to the primary antibody, an enzyme complex and a chromogenic substrate with interposed washing steps. The enzymatic activation of the chromogen results in a visible reaction product at the antigen site. The specimen may then be counterstained and a coverslip applied. Results are interpreted using a light microscope and aid in the differential diagnosis of pathophysiological processes, which may or may not be associated with a particular antigen.

This antibody is optimally diluted to be compatible with VENTANA detection kits and BenchMark IHC/ISH instruments. Refer to the Tables in the Instructions for Use section for recommended staining protocols. Each step in the staining protocol includes incubation for a precise time at a specifi c temperature. At the end of each incubation step, the sections are rinsed by the BenchMark IHC/ISH instruments to stop the reaction and remove unbound material that would hinder the desired reaction in subsequent steps. To minimize evaporation of the aqueous reagents from the specimen-containing slide, a coverslip solution is applied in the slide stainer. For more detailed information on instrument operation, refer to the appropriate BenchMark IHC/ISH instruments Operator’s Manual.", "Language": "en", "Country": "XG", "Code": "Principle" }, { "Name": "Content", "Value": "One dispenser of this antibody contains sufficient prediluted reagent for 50 tests.", "Language": "en", "Country": "XG", "Code": "Content" }, { "Name": "Intended Use", "Value": "BG8, Lewis^Y (F3) Mouse Monoclonal Primary Antibody is intended for laboratory use in the detection of BG8 in formalin-fixed, paraffin-embedded tissue stained on VENTANA BenchMark IHC/ISH instruments. This product should be interpreted by a qualified pathologist in conjunction with histological examination, relevant clinical information, and proper controls. This antibody is intended for in vitro diagnostic (IVD) use.", "Language": "en", "Country": "XG", "Code": "Intended Use" }, { "Name": "Background Information", "Value": "Blood group Lewis carbohydrate determinants are oligosaccharides on glycolipids and glycoproteins. In healthy individuals the Lewis^Y antigen is a type 2 antigen usually only expressed in low levels of a few cell types such as some epithelial cells. Reportedly these antigens are aberrantly expressed in high levels in many carcinomas. Anti-BG8, Lewis^Y reactivity in immunohistochemistry is seen in carcinomas of the breast, lung, and colon.^1-5

1. Davidson B, et al. Detection of cancer cells in effusions from patients diagnosed with gynaecological malignancies. Evaluation of five epithelial markers. Virchows Arch. 1999; 435:43-9.
2. King JE, et al. Sensitivity and specificity of immunohistochemical markers used in the diagnosis of epithelioid mesothelioma: a detailed systematic analysis using published data.Histopathology. 2006; 48:223-32.
3. Marchevsky AM et al. Evidence-based guidelines for the utilization of immunostains in diagnostic pathology: pulmonary adenocarcinoma versus mesothelioma. Appl Immunohistochem Mol Morphol. 2007; 15:140-4.
4. Ordonez NG. The immunohistochemical diagnosis of mesothelioma: a comparative study of epithelioid mesothelioma and lung adenocarcinoma. Am J Surg Pathol. 2003; 27:1031- 51.
5. Ordóñez NG. Value of thyroid transcription factor-1, E-cadherin, BG8, WT1, and CD44S immunostaining in distinguishing epithelial pleural mesothelioma from pulmonary and non-pulmonary adenocarcinoma. Am J Surg Pathol. 2000; 24:598-606.", "Language": "en", "Country": "XG", "Code": "Background Information" }, { "Name": "Product Purpose", "Value": "BG8, Lewis^Y (F3) Mouse Monoclonal Primary Antibody is intended for laboratory use in the detection of BG8 in formalin-fixed, paraffin-embedded tissue stained on VENTANA BenchMark IHC/ISH instruments. This product should be interpreted by a qualified pathologist in conjunction with histological examination, relevant clinical information, and proper controls. This antibody is intended for in vitro diagnostic (IVD) use.", "Language": "en", "Country": "XG", "Code": "Product Purpose" } ] } } ] }