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CD28 抗体

CD28 适用: 人 FACS, Func, IHC (fro) 宿主: 大鼠 Monoclonal YTH913-12 unconjugated
产品编号 ABIN118582
发货至: 中国
  • 抗原 See all CD28 抗体
    CD28
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    大鼠
    克隆类型
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    标记
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    This CD28 antibody is un-conjugated
    应用范围
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    Flow Cytometry (FACS), Functional Studies (Func), Immunohistochemistry (Frozen Sections) (IHC (fro))
    特异性
    This antibody recognises the CD28 cell surface antigen, a 44 kDa glycoprotein expressed by T lymphocytes. The antibody enhances the MLR response. It has been reported that this clone also recognises an epitope of CD28 expressed by NK cells, which is not recognised by clones of 9.3 or CD28.2.
    纯化方法
    Affinity chromatography on Protein G
    内毒素水平
    Low Endotoxin
    免疫原
    Human peripheral blood T-cells. Spleen cells from an immunised DA rat were fused with cells of the Y3/Ag 1.2.3 rat myeloma cell line.
    克隆位点
    YTH913-12
    亚型
    IgG2b
    Top Product
    Discover our top product CD28 Primary Antibody
  • 应用备注
    Flow Cytometry: 1/50 - 1/100, Use 10 mLof the suggested working dilution to label 10^6 cells in 100 μL. Immunohistochemistry on frozen sections. Functional Assays: Stimulation of MLR response.
    Other applications not tested.
    Optimal dilutions are dependent on conditions and should be determined by the user. Further Comments: Endotoxin Level: less than 0.01 EU/ug
    限制
    仅限研究用
  • 浓度
    1.0 mg/mL
    缓冲液
    PBS, pH 7.4
    注意事项
    Avoid repeated freezing and thawing.
    储存条件
    -20 °C
  • 抗原
    CD28
    别名
    CD28 (CD28 产品)
    别名
    Tp44 antibody, CD28RNA antibody, cd28 antibody, CD28 molecule antibody, CD28 antigen antibody, Cd28 molecule antibody, CD28 molecule L homeolog antibody, CD28 antibody, Cd28 antibody, cd28.L antibody
    背景
    Human CD28 antigen is a 44 kDa disulfide linked homodimeric T cell specific surface glycoprotein. It is a cell adhesion molecule of the immunoglobulin superfamily which is constitutively expressed on most peripheral blood T lymphocytes (approximately 95 % of CD4+ cells and 50 % of CD8+ cells). Mature thymocytes exhibit higher levels of CD28 than the immature cells. Activation of T cells results in enhanced CD28 expression. T cell activation requires two combined signals provided by antigen presenting cells. The first is mediated via the T cell receptor following its interaction with antigenic peptide MHC complexes, and the second is delivered by accessory or costimulating molecules through their counter receptors on T lymphocytes. CD28 bears structural homology to CTLA 4 which is expressed at very low levels on the surface of CD4+ and CD8+ peripheral blood cells only following activation. CD28 is the natural receptor for the B7/BB 1 ligand (CD80) a 55-60 kDa glycoprotein which is expressed on activated B lymphocytes, on dendritic cells and on interferon gamma treated monocytes. The binding of B7 1/BB 1 Molecules to CD28 is involved in T lymphocyte activation and in the initiation and maintenance of chronic inflammation.Synonyms: T-cell-specific surface glycoprotein CD28, TP44
    基因ID
    940
    NCBI登录号
    NP_006130
    UniProt
    P10747
    途径
    TCR Signaling, Fc-epsilon Receptor Signaling Pathway, EGFR Signaling Pathway, Regulation of Leukocyte Mediated Immunity, Positive Regulation of Immune Effector Process, Production of Molecular Mediator of Immune Response
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