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Invitrogen
CD152 (CTLA-4) Monoclonal Antibody (14D3), Biotin, eBioscience™
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CD152 (CTLA-4) Antibody (13-1529-82) in Flow
PHA-stimulated human peripheral blood cells were intracellularly stained with 0.03 µg of Mouse IgG2a K Isotype Control Biotin (Product # 13-4724-85) (open histogram) or 0.03 µg of Anti-Human CD152 (CTLA-4) Biotin (filled histogram) followed by Streptavidin PE (Product # 12-4317-87) using the Intracellular Fixation & Permeabilization Buffer Set (Product # 88-8824-00) and protocol. Total viable cells were used for analysis.
产品信息
13-1529-82
应用
建议稀释比
已发表文章
产品规格
种属反应
Human,
Rhesus monkey
已发表种属
Human
宿主/亚型
Mouse
/ IgG2a, kappa
分类
Monoclonal
类型
Antibody
克隆号
14D3
偶联物
形式
Liquid
浓度
0.5 mg/mL
纯化类型
Affinity chromatography
保存液
PBS, pH 7.2
内含物
0.09% sodium azide
保存条件
4°C, store in dark, DO NOT FREEZE!
运输条件
Ambient (domestic); Wet ice (international)
RRID
产品详细信息
Description: The 14D3 monoclonal antibody reacts with human CD152, also known as cytotoxic T lymphocyte antigen-4 (CTLA-4). CTLA-4, a protein with structural similarities to CD28, is expressed on activated T cells (activated B cells may also express CTLA-4) and binds the B7 family members, CD80 (B7-1) and CD86 (B7-2), with higher affinity than CD28 does. CTLA-4 and CD28 appear to deliver opposing signals to T cells: while CD28 is a potent costimulator, CTLA-4 restricts the progression of T cells to an activated state by inhibiting IL-2 secretion and cellular proliferation. The cytoplasmic portion of CTLA-4 contains ER retention motifs, resulting in intracellular localization of a large proportion of newly synthesized CTLA-4 in response to TCR signaling.
The 14D3 antibody also recognizes rhesus monkey and has inhibitor activity.
Applications Reported: This 14D3 antibody has been reported for use in intracellular staining followed by flow cytometric analysis.
Applications Tested: This 14D3 antibody has been tested This 14D3 antibody has been pre-titrated and tested by intracellular staining and flow cytometric analysis of stimulated human peripheral blood cells using the Intracellular Fixation & Permeabilization Buffer Set (Product # 88-8824-00) and protocol. Please refer to BestProtocols®: Protocol A: Two step protocol for (cytoplasmic) intracellular proteins located under the Resources Tab online. This can be used at less than or equal to 0.06 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.
Furthermore, due to the intracellular localization of a large portion of CTLA-4, for complete detection it may be necessary to assess intracellular expression, in addition to surface expression of CTLA-4.
Filtration: 0.2 µm post-manufacturing filtered.
靶标信息
CTLA4 (Cytotoxic T-Lymphocyte Antigen 4) is a CD28-family receptor expressed on mainly CD4+ T cells. It binds the same ligands as CD28 (CD80 and CD86 on B cells and dendritic cells), but with higher affinity than CD28. However, in contrast to CD28 which enhances cell function when bound at the same time as the T cell receptor, CTLA4 inhbits the T cell and prevents it from functioning. Intracellular CTLA4 is also found in regulatory T cells and may be important to their function.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
生物信息学
蛋白别名: CD152; CD152 isoform; CD152 protein; celiac disease 3; CTLA-4; cytotoxic T lymphocyte associated antigen 4 short spliced form; Cytotoxic T-lymphocyte protein 4; cytotoxic T-lymphocyte protein 4 isoform CTLA4-TM; Cytotoxic T-lymphocyte-associated antigen 4; cytotoxic T-lymphocyte-associated protein 4; cytotoxic T-lymphocyte-associated serine esterase-4; ICOS; insulin-dependent diabetes mellitus 12; ligand and transmembrane spliced cytotoxic T lymphocyte associated antigen 4
基因别名: ALPS5; CD; CD152; CELIAC3; CTLA-4; CTLA4; EGK_04712; GRD4; GSE; IDDM12
UniProt ID: (Human) P16410
Entrez Gene ID: (Human) 1493, (Rhesus monkey) 705673
