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- 文献和实验
- 技术资料
- 克隆性:
多克隆
- 抗体英文名:
Human CD4-PE
- 规格:
25T
中文名称PE标记小鼠抗人CD4单克隆抗体
别 名PE Anti-Human CD4; mouse anti-human CD4/PE; mouse anti-human CD4 PE conjugated; CD4 (L3T4); CD4 antigen (p55); CD4 Antigen ; CD4 molecule; CD4 Receptor; CD4+ Lymphocyte deficiency, included; CD4mut; L3T4; Leu3; Ly-4; Lymphocyte antigen CD4; MGC165891; p55; T Cell Antigen T4 ; T cell antigen T4/LEU3; T cell differentiation antigen L3T4; T cell OKT4 deficiency, included; T cell surface antigen T4/Leu 3 ; T cell surface antigen T4/Leu3; T Cell Surface Glycoprotein CD4; W3/25; W3/25 antigen; T-cell surface glycoprotein CD4 isoform 1 precursor; CD4_HUMAN.
规格25T 100T
研究领域细胞生物 免疫学 干细胞 细胞表面分子 淋巴细胞 t-淋巴细胞
抗体来源Mouse
克隆类型Monoclonal
交叉反应 Human,
产品应用Flow-Cyt=20ul/Test (石蜡切片需做抗原修复)
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
分 子 量48kDa
细胞定位细胞膜
性 状Liquid
免 疫 原:
亚 型IgG1
纯化方法affinity purified by Protein G
储 存 液0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
保存条件Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
PubMedPubMed
产品介绍background:
This gene encodes a membrane glycoprotein of T lymphocytes that interacts with major histocompatibility complex class II antigenes and is also a receptor for the human immunodeficiency virus. This gene is expressed not only in T lymphocytes, but also in B cells, macrophages, and granulocytes. It is also expressed in specific regions of the brain. The protein functions to initiate or augment the early phase of T-cell activation, and may function as an important mediator of indirect neuronal damage in infectious and immune-mediated diseases of the central nervous system. Multiple alternatively spliced transcript variants encoding different isoforms have been identified in this gene. [provided by RefSeq, Aug 2010].
Function:
Accessory protein for MHC class-II antigen/T-cell receptor interaction. May regulate T-cell activation. Induces the aggregation of lipid rafts.
Subunit:
Associates with LCK. Binds to HIV-1 gp120 and to P4HB/PDI and upon HIV-1 binding to the cell membrane, is part of P4HB/PDI-CD4-CXCR4-gp120 complex. Interacts with HIV-1 Envelope polyprotein gp160 and protein Vpu. Interacts with Human Herpes virus 7 capsid proteins. Interacts with PTK2/FAK1; this interaction requires the presence of HIV-1 gp120.
Subcellular Location:
Cell membrane; Single-pass type I membrane protein. Note=Localizes to lipid rafts. Removed from plasma membrane by HIV-1 Nef protein that increases clathrin-dependent endocytosis of this antigen to target it to lysosomal degradation. Cell surface expression is also down-modulated by HIV-1 Envelope polyprotein gp160 that interacts with, and sequesters CD4 in the endoplasmic reticulum.
Post-translational modifications:
Palmitoylation and association with LCK contribute to the enrichment of CD4 in lipid rafts.
Similarity:
Contains 3 Ig-like C2-type (immunoglobulin-like) domains.
Contains 1 Ig-like V-type (immunoglobulin-like) domain.
SWISS:
P01730
Gene ID:
920
Database links:
Entrez Gene: 920 Human
Omim: 186940 Human
SwissProt: P01730 Human
Unigene: 631659 Human
Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
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文献和实验群。用相应的单克隆抗体与其结合,再用FACS进行分离,就能得到纯度很高CD4+CD25+T淋巴细胞细胞群。而其他分离方法不仅分离过程烦琐,也很难控制无菌条件及保证细胞纯度。应用举例1. 小鼠胸腺细胞CD4及CD8分子表达的检测(1)简要说明①细胞为小鼠胸腺细胞。②抗体为PE标记的抗CD4抗体和FITC标记的抗CD8抗体。(2)结果以点状二维图(dotplot)表示。横坐标为CD8分子,纵坐标为CD4分子。所以右上代表双阳性细胞群,左下代表双阴性细胞群,左上代表CD4+CD8-的单阳性细胞群,右下代表CD4
恶性肿瘤病人外周血免疫指标的流式细胞仪检测及免疫治疗前后免疫功能变化的研究
,其中年龄和性别构成比与病人组差异无显著性(P>0.05)。 1.2 材料与仪器 小鼠抗人单克隆抗体CD4/CD8/CD3、CD19、CD20、CD3/CD16+56、CD3/HLA-DR、CD3/CD25及同型对照、红细胞裂解液(Optilyse C)均为法国Immunotech公司出品。流式细胞仪(Epics XL·MCL)是美国BECKMAN COULTER公司生产。 1.3 研究方法 使用直接免疫荧光标记全血溶血法,流式细胞仪测定肿瘤病人外周血淋巴细胞表面抗原表达。
淋巴细胞是一群具有免疫调节(免疫抑制)功能的细胞群。在对其特点及功能进行研究时,首要的问题是分离该细胞群。用相应的单克隆抗体与其结合,再用FACS进行分离,就能得到纯度很高CD4+CD25+T淋巴细胞细胞群。而其他分离方法不仅分离过程烦琐,也很难控制无菌条件及保证细胞纯度。 应用举例 1. 小鼠胸腺细胞CD4及CD8分子表达的检测 (1)简要说明 ①细胞为小鼠胸腺细胞。 ②抗体为PE标记的抗CD4抗体和FITC标记的抗CD8抗体。 (2)结果以点状二维图(dotplot)表示
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