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Do not freeze.", "Language": "en", "Country": "XG", "Code": "Storage Conditions (Product)" }, { "Name": "Background Information", "Value": "T-bet, a T-box transcription factor, is expressed in CD4+ T-lymphocytes committed to T-helper (Th)1 T-cell development from naïve T-helper precursor cells (Thp) and redirects Th2 T-cells to Th1 development. Anti-T-bet is a marker of mature T-cells and is expressed at very low levels in Thp cells and is absent in precursor T-lymphoblastic leukemia/lymphoma cells. Scattered small lymphocytes in the interfollicular T-cell zone of reactive lymphoid tissue, including tonsil, lymph node, and spleen exhibited nuclear staining for anti-T-bet, with no anti-T-bet staining observed in germinal centers or mantle or marginal zones. T-bet is expressed in a significant subset of B-cell lymphoproliferative disorders, particularly at an early stage of B-cell development (precursor B-cell lymphoblastic leukemia/lymphoblastic lymphoma), and B-cell neoplasms derived from mature B-cells, including CLL/SLL, marginal zone lymphoma, and hairy cell leukemia. In contrast, B-cell neoplasms derived from pre-germinal center or germinal center B-cells, including mantle cell lymphoma, follicular lymphoma, diffuse large B-cell lymphoma, and Burkitt lymphoma are negative for T-bet.1-7

1. Szabo SJ, et al. A novel transcription factor, T-bet, directs Th1 lineage commitment. Cell. 2000; 100:665-69.
2. Zhang WX, et al. Cloning and characterization of a new member of the T-box gene family. Genomics. 2000; 70:41-8.
3. Jöhrens K, et al. T-bet transcription factor detection facilitates the diagnosis of minimal hairy cell leukemia infiltrates in bone marrow trephines. Am J Surg Pathol. 2007; 31:1181- 5.
4. Atayar C, et al. Expression of the T-cell transcription factors, GATA-3 and T-bet, in the neoplastic cells of Hodgkin lymphomas. Am J Pathol. 2005; 166:127-34.
5. Dorfman DM, et al. T-bet, a T-cell associated transcription factor, is expressed in a subset of B-cell lymphoproliferative disorders. Am J Clin Pathol. 2004; 122:292-7.
6. Harashima A, et al. Transcription factor expression in B-cell precursor-leukemia cell lines: preferential expression of T-bet. Leuk Res. 2005; 29:841-8.
7. Marafioti T, et al. Expression of B-cell lymphocyte-associated transcription factors in human T-cell neoplasms. Am J Pathol. 2003; 162:861-71.", "Language": "en", "Country": "XG", "Code": "Background Information" }, { "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": "T-bet (MRQ-46) Rabbit Monoclonal Primary Antibody is intended for laboratory use in the detection of the T-bet protein 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": "Principle", "Value": "T-bet (MRQ-46) Rabbit 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": "Product Purpose", "Value": "T-bet (MRQ-46) Rabbit Monoclonal Primary Antibody is intended for laboratory use in the detection of the T-bet protein 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" } ] } } ] }

T-bet (MRQ-46) Rabbit Monoclonal Antibody

IVD For in vitro diagnostic use.
T-bet (MRQ-46) Rabbit Monoclonal Antibody

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