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Invitrogen
CD8a Monoclonal Antibody (4SM15), eBioscience™
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图: 1 / 14
CD8a Antibody (14-0808-37) in IHC (P)
Immunohistochemical analysis of CD8a was performed using formalin-fixed paraffin-embedded mouse control thymus and inflamed thymus tissue sections. To expose the target protein, heat-induced epitope retrieval was performed on de-paraffinized sections using eBioscience™ IHC Antigen Retrieval Solution - Low pH (10X) (Product # 00-4955-58) diluted to 1X solution in water in a decloaking chamber at 110 degree C... View More
产品信息
14-0808-37
应用
建议稀释比
已发表文章
产品规格
种属反应
Mouse
已发表种属
Human,
Mouse,
Rat,
Rhesus monkey
宿主/亚型
Rat
/ IgG2a, lambda
分类
Monoclonal
类型
Antibody
克隆号
4SM15
偶联物
Unconjugated
Unconjugated
Unconjugated
形式
Liquid
浓度
0.5 mg/mL
规格
2 mg
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
运输条件
Ambient (domestic); Wet ice (international)
RRID
产品详细信息
Description: The 4SM15 monoclonal antibody reacts with the mouse CD8a molecule. CD8a is 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 alpha beta TCR T cells express CD8 alpha beta while gamma delta TCR T cells, a subpopulation of intestinal intraepithelial lymphocytes (IELs) and dendritic cells express CD8 alpha alpha. 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.
Recent studies have shown the 4SM15 antibody recognizes and binds a non-CD8a epitope in neural tissue. The 4SM15 clone is not recommended for staining of mouse neural tissue. For additional information please contact our technical service (tech@eBioscience.com). For detection of mouse CD8a in FFPE mouse neural tissue please refer to alternate product Anti-Mouse CD8a Purified (Product # 14-0195).
The 4SM15 monoclonal antibody is not recommended for immunohistochemistry of frozen mouse tissue. For detection of mouse CD8a using immunohistochemistry of frozen tissue please refer to alternate product Anti-Mouse CD8a Purified (Product # 14-0081-82).
Applications Reported: This 4SM15 antibody has been reported for use in flow cytometric analysis, microscopy, and immunohistochemical staining of formalin-fixed paraffin embedded tissue sections.
Applications Tested: This 4SM15 antibody has been tested by immunohistochemistry of formalin-fixed paraffin embedded mouse tissue using low or high pH antigen retrieval and can be used at less than or equal to 5 µg/mL. The 4SM15 antibody has been tested by flow cytometric analysis of mouse splenocytes and can be used at less than or equal to 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. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.
Purity: Greater than 90%, as determined by SDS-PAGE.
Aggregation: Less than 10%, as determined by HPLC.
Filtration: 0.2 µm post-manufacturing filtered.
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。
生物信息学
蛋白别名: CD8a; CD8alpha; CD8b; CD8beta; fCD8; Leu-2; leu-2a; Lymphocyte antigen 3; Lyt-2.1 lymphocyte differentiation antigen (AA at 100); T-cell membrane glycoprotein Ly-3; T-cell surface glycoprotein CD8 alpha chain; T-cell surface glycoprotein CD8 beta chain; T-cell surface glycoprotein Lyt-2; T-cell surface glycoprotein Lyt-3
基因别名: BB154331; Cd8a; Cd8b; Cd8b1; Ly-2; Ly-3; Ly-35; Ly-B; Ly-C; Lyt-2; Lyt-3; Lyt2; Lyt3
UniProt ID: (Mouse) P01731, (Mouse) P10300
Entrez Gene ID: (Mouse) 12525, (Mouse) 12526
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