CD28 Monoclonal Antibody (1C6), Functional Grade
货号:16-0283-82,16-0283-85
规格:100μg,500μg
价格:3496,5837
产品类型:流式抗体
品牌:Thermo Fisher
物种:其它
宿主:小鼠
抗体亚型:IgG
克隆号:1C6
荧光染料:其它
抗体类型: | 单抗 | 同型对照: | Mouse IgG1 kappa Isotype Control, Functional Grade, eBioscience™ |
免疫原性: | | 用法: | 5uL(1 µg)/test(Flow) |
Description: The 1C6 monoclonal antibody reacts with canine CD28, which is expressed by thymocytes, a majority of T cells, and a subset of NK cells. CD28 is a ligand for CD80 (B7-1) and CD86 (B7-2) and is a potent costimulator of T cells. Signaling through CD28 augments IL-2 and IL-2 receptor expression as well as cytotoxicity of CD3-activated T cells.The 1C6 antibody has been reported to have antagonist activity, as well as induce proliferation. The 1C6 and 5B8 antibodies recognize different epitopes of canine CD28.Applications Reported: This 1C6 antibody has been reported for use in flow cytometric analysis and functional assays. Proliferation assays with the 1C6 antibody are best performed using polypropylene plates. (Fluorochrome-conjugated 5B8 is recommended for use in flow cytometry.).Applications Tested: This 1C6 antibody has been tested by flow cytometric analysis of normal canine peripheral blood cells. This can be used at less than or equal to 1 µg per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.Endotoxin: Less than 0.001 ng/ug antibody as determined by the LAL assay.Storage and handling: Use in a sterile environment.Filtration: 0.2 µm post-manufacturing filtered.Purity: Greater than 90%, as determined by SDS-PAGE.Endotoxin Level: Less than 0.001 ng/µg antibody, as determined by LAL assay.Aggregation: Less than 10%, as determined by HPLC.Background/Target InformationCD28 antigen is a 44 kDa disulfide linked homodimeric T cell specific surface glycoprotein. CD28 is a cell adhesion molecule of the immunoglobulin superfamily which is constitutively expressed on most peripheral blood T lymphocytes. Moreover, CD28 is the critical T cell costimulatory receptor that provides the cell the important second activation signal by binding CD80 and CD86 which are expressed by antigen presenting cells. In addition to its co-stimulation role, CD28 functions by preventing T cells from entering an anergic-hyporesponsive state or from undergoing premature apoptotic cell death. In murine peripheral lymphoid organs and in the blood, all CD4+ and CD8+ T cells express CD28. In the thymus, CD28 expression is highest on immature CD3-, CD8+ and CD4+8+ cells, and on CD4-8- cells that express alpha/beta and gamma/delta TCR. The level of CD28 on mature CD4+ and CD8+ alpha/beta TCR+ thymocytes is two- to fourfold lower than on the immature cells. Diseases associated with CD28 dysfunction include mycosis fungiodes and Sezary's Disease.For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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