Invitrogen

CD8a Monoclonal Antibody (RPA-T8), Brilliant Ultra Violet™ 615, eBioscience™

Name: CD8a Monoclonal Antibody (RPA-T8), Brilliant Ultra Violet\u2122 615, eBioscience\u2122
Brand: Invitrogen
SKU: 366-0088-42

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说明书

实验方案

问题与答案

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说明书

实验方案

问题与答案

技术支持

抗体检测数据 (1)

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CD8a Antibody (366-0088-42) in Flow

Normal human peripheral blood cells were stained with CD3 Monoclonal Antibody, FITC (Product # 11-0038-42) and Mouse IgG1 kappa Isotype Control, Brilliant Ultra Violet 615 (Product # 366-4714-81) (left) or CD8a Monoclonal Antibody, Brilliant Ultra Violet 615 (right). Viable cells in the lymphocyte gate were used for analysis, as determined by 7-AAD (Product # 00-6993-50).

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产品信息

366-0088-42

应用

建议稀释比

已发表文章

流式细胞分析 (Flow)

5 µL (0.25 µg)/test

产品规格

种属反应

Human

宿主/亚型

Mouse / IgG1, kappa

分类

Monoclonal

类型

Antibody

克隆号

RPA-T8

偶联物

Brilliant Ultra Violet™ 615 Brilliant Ultra Violet™ 615 Brilliant Ultra Violet™ 615

激发/发射光谱

350/607 nm 查看光谱

形式

Liquid

浓度

5 µL/Test

纯化类型

Affinity chromatography

保存液

PBS, pH 7.2, with BSA

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)

AB_2920986

产品详细信息

Description
The RPA-T8 monoclonal antibody reacts with the human CD8a molecule, an approximately 32-34 kDa cell surface receptor expressed either as a heterodimer with the CD8 beta chain (CD8 alpha/beta) or as a homodimer (CD8 alpha/alpha). A majority of thymocytes and a subpopulation of mature T cells and NK cells express CD8a. CD8 binds to MHC class I and through its association with protein tyrosine kinase p56lck plays a role in T-cell development and activation of mature T cells.

Applications Tested
This RPA-T8 antibody has been pre-diluted and tested by flow cytometric analysis of normal human peripheral blood cells. This may be used at 5 µL (0.25 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.

Blocking Buffers
When using two or more Super Bright, Brilliant Violet™, Brilliant Ultra Violet™, or other polymer dye-conjugated antibodies in a staining panel, it is recommended to use Super Bright Complete Staining Buffer (Product # SB-4401) or Brilliant Stain Buffer (Product # 00-4409-75) to minimize any non-specific polymer interactions. Please refer to the datasheet for Super Bright Staining Buffer or Brilliant Stain Buffer for more information.

Light sensitivity
This tandem dye is sensitive to photo-induced oxidation. Please protect this vial and stained samples from light.

Fixation
• Samples can be stored in IC Fixation Buffer (Product # 00-8222) (100 µL of cell sample + 100 µL of IC Fixation Buffer) or 1-step Fix/Lyse Solution (Product # 00-5333) for up to 3 days in the dark at 4°C with minimal impact on brightness and FRET efficiency/compensation.
• Some generalizations regarding fluorophore performance after fixation can be made, but clone specific performance should be determined empirically.

Excitation: 350 nm; Emission: 615 nm; Laser: Ultraviolet Laser.

BRILLIANT ULTRA VIOLET™ is a trademark or registered trademark of Becton, Dickinson and Company or its affiliates, and is used under license. Powered by Sirigen™.

靶标信息

CD8, also known as cluster of differentiation 8, is a type I transmembrane glycoprotein of the immunoglobulin family that plays a crucial role in T cell differentiation, activation, and signal transduction. It is expressed as either a heterodimer (CD8 alpha beta) or a homodimer (CD8 alpha alpha). The CD8 alpha beta form is predominantly found on the majority of thymocytes and a subpopulation of mature alpha beta TCR T cells, while the CD8 alpha alpha form is expressed on gamma delta TCR T cells, a subset of intestinal intraepithelial lymphocytes (IELs), and dendritic cells. CD8 functions as a co-receptor for major histocompatibility complex class I (MHC-I) molecules, working alongside the T cell receptor (TCR). The CD8 alpha chain is essential for binding to MHC-I. CD8 is also expressed on a subset of T cells, NK cells, monocytes, and dendritic cells as disulfide-linked homodimers of CD8 alpha. Upon ligation of MHC-I/peptide complexes presented by antigen-presenting cells (APCs), CD8 recruits lymphocyte-specific protein tyrosine kinase (Lck), leading to lymphokine production, increased motility, and activation of cytotoxic T lymphocytes (CTLs). Activated CTLs are vital for clearing pathogens and tumor cells. The differentiation of naive CD8+ T cells into CTLs is strongly enhanced by cytokines such as IL-2, IL-12, and TGF-beta1. Through its interactions with MHC-I and association with protein tyrosine kinase p56lck, CD8 plays a significant role in T cell development and the activation of mature T cells.

仅用于科研。不用于诊断过程。未经明确授权不得转售。

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生物信息学

蛋白别名: CD8 antigen, alpha polypeptide (p32); CD8 antigen, beta polypeptide 1 (p37); CD8a; CD8alpha; CD8b; CD8beta; fCD8; Leu-2; leu-2a; Leu2 T-lymphocyte antigen; OKT8 T-cell antigen; T cell co-receptor; T lymphocyte surface glycoprotein beta chain; 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; T8 T-cell antigen

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基因别名: CD8; CD8A; CD8B; CD8B1; LEU2; LY3; LYT3; MAL; p32; P37

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UniProt ID: (Human) P01732, (Human) P10966

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Entrez Gene ID: (Human) 925, (Human) 926

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功能

protein binding coreceptor activity protein kinase binding MHC class I protein binding protein homodimerization activity defense/immunity protein immunoglobulin receptor superfamily

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