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- 技术资料
- 克隆性:
多克隆
- 抗体英文名:
human CD8-APC
- 规格:
25T
中文名称APC标记小鼠抗人CD8单克隆抗体
别 名CD8-b;CD 8A; CD 8B; CD8 antigen alpha polypeptide; CD8A anti; CD8a antigen an; CD8a molecule; CD8B; CD8b antigen; CD8b antigen isoform 2; CD8b molecule; CD8B protein; CD8B1; Leu2; Leu2 T lymphocyte antigen; Ly3; LYT3; MAL; MGC119115; OKT8 T Cell antigen; p32; T cell antigen Leu2; T cell surface glycoprotein CD8 alpha chain; T cell surface glycoprotein CD8 beta chain; T lymphocyte differentiation antigen T8/Leu 2; CD8A_HUMAN. APC anti-human CD8;
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 b-淋巴细胞
抗体来源Mouse
克隆类型Monoclonal
交叉反应 Human,
产品应用WB=1:500-2000 ELISA=1:500-1000 IHC-P=1:400-800 IHC-F=1:400-800 Flow-Cyt=20ul/Test ICC=1:100-500 IF=1:100-500 (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27kDa
细胞定位细胞膜 分泌型蛋白
性 状Liquid
免 疫 原:
亚 型IgG
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:
The CD8 antigen is a cell surface glycoprotein found on most cytotoxic T lymphocytes that mediates efficient cell-cell interactions within the immune system. The CD8 antigen acts as a coreceptor with the T-cell receptor on the T lymphocyte to recognize antigens displayed by an antigen presenting cell in the context of class I MHC molecules. The coreceptor functions as either a homodimer composed of two alpha chains or as a heterodimer composed of one alpha and one beta chain. Both alpha and beta chains share significant homology to immunoglobulin variable light chains. This gene encodes the CD8 alpha chain. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2011].
Subunit:
In general heterodimer of an alpha and a beta chain linked by two disulfide bonds. Can also form homodimers. Shown to be expressed as heterodimer on thymocytes and as homodimer on peripheral blood T-lymphocytes. Interacts with the MHC class I HLA-A/B2M dimer. Interacts with LCK in a zinc-dependent manner.
Subcellular Location:
Isoform 1: Cell membrane; Single-pass type I membrane protein.
Isoform 2: Secreted.
Similarity:
Contains 1 Ig-like V-type (immunoglobulin-like) domain.
SWISS:
P01732
Gene ID:
925
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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文献和实验抗体/补体介导的特异性细胞毒作用分离法分离T细胞亚群 人T淋巴细胞按其表面标志分为CD4+ T和CD8+ T细胞两类,其细胞膜上分别有CD4和CD8分子,当它们与相应的鼠抗人单克隆抗体结合后,在补体的参与下,可溶解相应的T细胞亚群,从而分离出另一种细胞亚群。 【试剂及配制】 (1) 聚蔗糖-泛影葡胺分层液(D=1.077±0.001)。 (2) Hank’s液(内含5%小牛血清和1.0g/L叠氮钠)。
聚苯乙烯表面可以用作亲和性试剂的不溶性基质,以分离淋巴细胞亚群。聚苯乙烯培养皿首先用纯化的羊抗鼠IgG抗体包被,然后将鼠抗人(如抗CD4或抗CD8单抗)与T细胞反应的细胞悬液加入培养皿中,孵育一段时间后,对CD4或CD8抗原特异的T细胞即结合到平皿表面,而CD8+或CD4+细胞不结合,轻吸出未贴壁的细胞悬液,洗下粘附细胞。 [试剂及配制] (1)聚蔗糖-泛影葡胺分层液(D=1.077±0.001) (2)抗CD4和抗CD8单克隆抗体
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。
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