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CTLA4 抗体

CTLA4 适用: 人 FACS, Func 宿主: 小鼠 Monoclonal BNI3 unconjugated
产品编号 ABIN1177323
发货至: 中国
  • 抗原 See all CTLA4 抗体
    CTLA4 (Cytotoxic T-Lymphocyte-Associated Protein 4 (CTLA4))
    适用
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    宿主
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    小鼠
    克隆类型
    • 75
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    单克隆
    标记
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    This CTLA4 antibody is un-conjugated
    应用范围
    • 79
    • 64
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    Flow Cytometry (FACS), Functional Studies (Func)
    品牌
    BD Pharmingen™
    纯化方法
    The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.
    过滤
    0.2 μm filtered
    内毒素水平
    Endotoxin level is ≤ 0.01 EU/μg (≤ 0.001 ng/μg) of protein as determined by the LAL assay.
    克隆位点
    BNI3
    亚型
    IgG2a kappa
    Top Product
    Discover our top product CTLA4 Primary Antibody
  • 应用备注
    For flow cytometric applications, a three step labeling procedure is recommended for amplifying signal. Suggested protocol for 3-step staining using concanavalin-A-stimulated peripheral blood mononuclear cells method:
    1. Incubate 100 µl concanavalin-A-stimulated 3-day peripheral blood mononuclear cells (1x10^6) with primary (unconjugated) antibody for 20-30 minutes at room temperature.
    2. Add 2 mls of 1X lysing buffer (10X Pharm Lyse™ Lysing Buffer, Cat. No. 555899) and incubate for 10-15 minutes. Centrifuge and aspirate.
    3. Wash once with PBS/0.1% sodium azide/1% heat-activated fetal bovine serum (PBS-FBS). Centrifuge and aspirate.
    4. Add biotinylated goat anti-mouse Ig (Cat. No. 553999) and incubate for 20-30 minutes at room temperature.
    5. Wash once with PBS-FBS. Centrifuge and aspirate.
    6. Add SAV-PE (Cat. No. 554061) and incubate for 20-30 minutes in the dark at room temperature.
    7. Wash once with PBS-FBS. Centrifuge and aspirate. Resuspend in 0.5 ml of PBS-FBS and analyze by flow cytometry.
    限制
    仅限研究用
  • 状态
    Liquid
    浓度
    1.0 mg/mL
    缓冲液
    No azide/low endotoxin: Aqueous buffered solution containing no preservative, 0.2μm sterile filtered.
    储存液
    Azide free
    储存条件
    4 °C
    储存方法
    Store undiluted at 4°C. This preparation contains no preservatives, thus it should be handled under aseptic conditions.
  • Morton, Fu, Stewart, Giacoletto, White, Leysath, Evans, Shieh, Karr: "Differential effects of CTLA-4 substitutions on the binding of human CD80 (B7-1) and CD86 (B7-2)." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 156, Issue 3, pp. 1047-54, (1996) (PubMed).

    Kuiper, Brouwer, Linsley, van Lier: "Activated T cells can induce high levels of CTLA-4 expression on B cells." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 155, Issue 4, pp. 1776-83, (1995) (PubMed).

    Lindsten, Lee, Harris, Petryniak, Craighead, Reynolds, Lombard, Freeman, Nadler, Gray: "Characterization of CTLA-4 structure and expression on human T cells." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 151, Issue 7, pp. 3489-99, (1993) (PubMed).

  • 抗原
    CTLA4 (Cytotoxic T-Lymphocyte-Associated Protein 4 (CTLA4))
    别名
    CD152 (CTLA4 产品)
    别名
    CTLA-4 antibody, CTLA4 antibody, CD152 antibody, Cd152 antibody, Ctla-4 antibody, Ly-56 antibody, CD antibody, CELIAC3 antibody, GRD4 antibody, GSE antibody, IDDM12 antibody, sCTLA4 antibody, cytotoxic T-lymphocyte associated protein 4 antibody, cytotoxic T-lymphocyte-associated protein 4 antibody, CTLA4 antibody, Ctla4 antibody
    背景
    Reacts with the cytolytic T lymphocyte-associated antigen, CTLA-4. CTLA-4 is transiently expressed on activated CD28+ T cells and binds to CD80 and CD86 present on antigen presenting cells (APC) with high avidity. This interaction appears to deliver a negative regulatory signal to the T cell. There are recent reports that indicate that CTLA-4 is also expressed on B cells when cultured with activated T cells, suggesting a possible role of CTLA-4 in the regulation of B-cell response. Immobilized BNI3.1 enhances T-cell proliferation induced by CD3 and CD28. Recent studies have showed that CD152 can be expressed by regulatory T (Treg) cells. It has been found this antibody can stain the intracellular CD152 on the Treg cells after fixation and permeabilization of cells.
    Synonyms: CTLA-4
    途径
    Cancer Immune Checkpoints
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