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Invitrogen
CD127 Monoclonal Antibody (A7R34), Brilliant Violet™ 421, eBioscience™
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CD127 Antibody (404-1271-82) in Flow
BALB/c mouse splenocytes were stained with CD3e Monoclonal Antibody, APC (Product # 17-0031-82) and 0.5 µg of Rat IgG2a kappa Isotype Control, Brilliant Violet 421 (Product # 404-4321-81) (left) or 0.5 µg of CD127 Monoclonal Antibody, Brilliant Violet 421 (right). Viable cells in the lymphocyte gate were used for analysis, as determined by 7-AAD (Product # 00-6993-50).
产品信息
404-1271-82
产品规格
种属反应
Mouse
宿主/亚型
Rat
/ IgG2a, kappa
分类
Monoclonal
类型
Antibody
克隆号
A7R34
偶联物
激发/发射光谱
406/423 nm
查看光谱
形式
Liquid
浓度
0.2 mg/mL
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)
RRID
产品详细信息
Description
The A7R34 monoclonal antibody reacts with mouse CD127, the high affinity alpha subunit of the mouse IL-7 receptor. IL-7 receptor alpha chain is expressed by immature B cells in the bone marrow, double-negative (CD4-CD8-), single-positive (CD4+ and CD8+), but not double-positive (CD4+CD8+) thymocytes. In the periphery, mature T cells express CD127 at low level. A7R34 inhibits binding of IL-7 to its receptor and has been used in in vivo and in vitro studies to elucidate the role of IL-7 in T and B cell development and activation. Binding of A7R34 blocks the binding of SB/199, another antibody which recognizes mouse CD127.
Applications Tested
This A7R34 antibody has been tested by flow cytometric analysis of mouse splenocytes. This may be used at less than or equal to 1.0 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.
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.
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: 407 nm; Emission: 423 nm; Laser: Violet 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
CD127, also known as the Interleukin-7 receptor alpha chain (IL-7Ralpha), is a type I glycoprotein with a molecular weight of 75-80 kDa. It forms a multi-functional receptor complex with CD132, the common gamma chain, to create the IL-7 receptor (IL-7R), which is crucial for lymphopoiesis. The active IL-7 receptor is an alpha/gamma chain heterodimer, where the gamma chain also associates with the interleukin-2 receptor and primarily activates signal transduction, while the alpha chain determines specific signaling events through its association with cytoplasmic signaling molecules. CD127 is expressed by immature B cells through the early pre-B stage, thymocytes during various stages of development, and most mature T cells, with transient down-regulation upon activation. It promotes the proliferation of precursor B cells, thymocytes, T cell progenitors, and mature CD4+ and CD8+ T cells. Binding of IL-7 to CD127 results in signal transduction through several tyrosine kinase pathways, including the Jak/STAT pathway, and is indispensable for lymphocyte development and the control of homeostatic proliferation of T cells in the periphery. Additionally, IL-7R signaling is involved in the regulation of T cell receptor (TCR) locus rearrangement in gamma delta T cells. Interestingly, CD127 expression is down-regulated on CD4+CD25+ regulatory T cells (T regs). While CD4 and CD25 co-expression is commonly used to identify T regs, this method may include cells without suppressive activity. CD4+CD25+ cells that have down-regulated CD127 expression are significantly enriched for the regulatory T cell population, as defined by the expression of the T reg-specific transcription factor Foxp3 and their suppressive activity in vitro. Diseases associated with CD127 dysfunction include severe combined immunodeficiency and T cell negative/B cell negative/NK positive severe combined immunodeficiency.
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: CD127; IL 7 receptor; IL 7R a; IL 7R subunit alpha; IL 7R α; IL 7Ra; IL 7Rα; IL-7 receptor alpha chain; IL-7 receptor subunit alpha; IL-7R; IL-7R subunit alpha; IL-7R-alpha; IL-7RA; IL7 receptor; IL7 receptor subunit alpha; IL7R a; IL7R alpha; IL7R subunit alpha; IL7R α; IL7Rα; interleukin 7 receptor alpha chain; Interleukin-7 receptor subunit alpha; Interleukin7 receptor subunit alpha; MGC107557; sCD127; soluble IL 7 receptor; soluble IL 7R
基因别名: CD127; IL-7Ralpha; Il7r
UniProt ID: (Mouse) P16872
Entrez Gene ID: (Mouse) 16197
cell morphogenesis
negative regulation of T cell mediated cytotoxicity
immunoglobulin production
regulation of cell size
positive regulation of gene expression
cell growth
T cell differentiation
positive regulation of T cell differentiation in thymus
B cell proliferation
lymph node development
homeostasis of number of cells
