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Invitrogen
CD28 Monoclonal Antibody (CD28.2), Functional Grade, eBioscience™
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CD28 Antibody (16-0289-81) in Flow
Normal human peripheral blood cells were stained with 0.5 µg of Mouse IgG1 kappa Isotype Control (Product # 14-4714-82) (blue histogram) or 0.5 µg of CD28 Monoclonal Antibody, Functional Grade (purple histogram) followed by IgG Polyclonal Antibody, PE (Product # 12-4010-87). Cells in the lymphocyte gate were used for analysis.
产品信息
16-0289-81
应用
建议稀释比
已发表文章
产品规格
种属反应
Human
已发表种属
C. elegans,
Fruit fly,
Human,
Mouse
宿主/亚型
Mouse
/ IgG1, kappa
分类
Monoclonal
类型
Antibody
克隆号
CD28.2
偶联物
形式
Liquid
浓度
1 mg/mL
纯化类型
Affinity chromatography
保存液
PBS, pH 7.2
内含物
no preservative
保存条件
4°C
运输条件
Ambient (domestic); Wet ice (international)
RRID
产品详细信息
Description: The CD28.2 monoclonal antibody reacts with the human CD28 molecule, a 44 kDa homodimer expressed by thymocytes, mature T cells and plasma cells. CD28 is a ligand for CD80 (B7-1) and CD86 (B7-2) and is a potent co-stimulator of T cells. Signaling through CD28 augments IL-2 and IL-2 receptor expression as well as cytotoxicity of CD3-activated T cells.
Applications Reported: The CD28.2 antibody has been reported for use in flow cytometric analysis. CD28.2 has also been reported in costimulation of T cells in in vitro functional assays.
Applications Tested: TheCD28.2 antibody has been tested by flow cytometric analysis of normal human 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.
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.
靶标信息
CD28 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.
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: CD28; CD28 antigen; MGC138290; sCD28; soluble CD28; T-cell-specific surface glycoprotein CD28; T44; TP44
基因别名: CD28; Tp44
UniProt ID: (Human) P10747
Entrez Gene ID: (Human) 940
positive regulation of inflammatory response to antigenic stimulus
humoral immune response
cell surface receptor signaling pathway
positive regulation of gene expression
negative regulation of gene expression
regulation of phosphatidylinositol 3-kinase signaling
positive regulation of phosphatidylinositol 3-kinase signaling
T cell costimulation
positive regulation of interleukin-10 production
positive regulation of interleukin-4 production
cytokine biosynthetic process
positive regulation of T cell proliferation
negative thymic T cell selection
regulatory T cell differentiation
positive regulation of viral genome replication
positive regulation of interleukin-2 biosynthetic process
regulation of regulatory T cell differentiation
positive regulation of translation
positive regulation of mitotic nuclear division
positive regulation of transcription from RNA polymerase II promoter
positive regulation of alpha-beta T cell proliferation
phosphatidylinositol phosphorylation
phosphatidylinositol-mediated signaling
positive regulation of isotype switching to IgG isotypes
regulation of defense response to virus by virus
T cell receptor signaling pathway
positive regulation of protein kinase B signaling
apoptotic signaling pathway
