Invitrogen

CD197 (CCR7) Monoclonal Antibody (4B12), PE-Cyanine7, eBioscience™

CD197 (CCR7) Antibody in Flow Cytometry (Flow)

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CD197 (CCR7) Antibody (25-1971-82) in Flow

C57BL/6 mouse splenocytes were stained at 37°C with CD3 Monoclonal Antibody, APC-eFluor 780 (Product # 47-0032-82) and 1.0 µg of Rat IgG2a kappa Isotype Control, PE-Cyanine7 (Product # 25-4321-82) (left) or 1.0 µg of CD197 (CCR7) Monoclonal Antibody, PE-Cyanine7 (right). Cells in the lymphocyte gate were used for analysis.

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产品信息

25-1971-82

应用

建议稀释比

已发表文章

流式细胞分析 (Flow)

1 µg/test

查看24篇已发表文章 24篇已发表文章

产品规格

种属反应

Mouse

已发表种属

Mouse

宿主/亚型

Rat / IgG2a, kappa

分类

Monoclonal

类型

Antibody

克隆号

4B12

偶联物

PE-Cyanine7 PE-Cyanine7 PE-Cyanine7

激发/发射光谱

569/780 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

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

AB_469652

产品详细信息

Description: The 4B12 monoclonal antibody reacts with mouse CCR7, also known as EBI-1 and CD197. CCR7 is a chemokine receptor for the chemokines CCL19 (CKbeta11, ELC, MIP3beta, Scya19, Exodus-3) and CCL21 (CKbeta9, SLC, MIP2beta, Scya21, Exodus-2). In recent years, the role of chemokines in directing the migration of lymphocytes has been well-characterized. One of the most important mediators of homeostatic trafficking of naive T cells to secondary lymphoid organs (SLO) is the chemokine receptor CCR7. Binding of its ligands, CCL19 and CCL21, mediates the trans endothelial migration of T cells across high endothelial venules into SLO. It has also been demonstrated that CCR7 plays a role in the localization of dendritic cells and B cells during an immune response.

CCR7 is a chemokine receptor for the chemokines CCL19 (CKbeta11, ELC, MIP3beta, Scya19, Exodus-3) and CCL21 (CKbeta9, SLC, MIP2beta, Scya21, Exodus-2).

In addition to its significant role in the chemotaxis of lymphocytes, human CCR7 has also been recognized as a marker for a distinct subset of memory T cells, the central memory (TCM) population. These cells are characterized by the expression of CCR7 and CD62L and reside within peripheral lymphoid organs. CCR7 also plays a role in thymocyte development and its deficiency leads to disturbed thymic architecture, aberrant T cell development, and limited thymocyte expansion.

For optimal visualization of CCR7 expression on different cell types it is necessary to use multi-color staining to discriminate different cell subsets as well as following the protocol (incubation at 37C may be necessary). To address specificity, the staining profile of 4B12 has been compared to a polyclonal antibody generated against a CCR7 peptide (Bjorkdahl et al). This analysis confirms that the polyclonal antibody and 4B12 stain similar populations of cells. Furthermore, 4B12 stains mouse CCR7-GFP fusion protein-transfected RBL cells (see data in Product # 14-1971).

Applications Reported: This 4B12 antibody has been reported for use in flow cytometric analysis.

Applications Tested: The 4B12 antibody has been tested by flow cytometric analysis of mouse splenocytes and thymocytes. This can be used at less than or equal to 1 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.

Important: Staining with the 4B12 monoclonal antibody requires different conditions than typically used for surface-antigen staining. Please use the protocol below. Moreover, we have found that staining at 37°C, rather than 2-8°C, results in brighter 4B12 staining, as well as better resolution between positive and negative populations. Please see data for the PE 4B12 (Product # 12-1971) which demonstrates a comparison of staining at 2-8°C and 37°C. Staining with 4B12 at 37°C is not expected to interfere with co-staining other antigens, however this should be evaluated for individual experiments.

1. Prepare cell suspension as normal and block Fc gamma III R/Fc gamma II R with 5 µg/million cells purified anti-mouse CD16/32 (Product # 14-0161) for 15 minutes on ice. If red blood cell lysis is carried out as part of cell preparation, ensure that fixatives are not present in the red blood cell lysis solution as this will eliminate 4B12 staining.

2. Without washing, add 1 µg/million cells 4B12 and incubate in a 37°C waterbath or at 2-8°C (please see notes above) for 0.5 hours.

3. Wash cells 1X with 3 mL of Flow Cytometry Staining Buffer (Product # 00-4222) and decant supernatant.

4. Analyze cells on flow cytometer or proceed with secondary staining on ice as normal.

Note: Co-staining mouse CCR7 with the 4B12 antibody and the CCR7 ligand CCL19-Fc (Product # 14-1972) may be difficult due to different binding conditions required for the antibody versus the ligand, and steric hindrance which may prevent co-staining of 4B12 and CCL19-Fc. Cross-blocking experiments have demonstrated that 4B12 binding is able to prevent the detectable binding of CCL19-Fc, however not the opposite. Furthermore, the correlation between 4B12 and CCL19-Fc staining may be difficult to predict due to the presence of unknown CCL19-Fc receptors in addition to CCR7.

Excitation: 488-561 nm; Emission: 775 nm; Laser: Blue Laser, Green Laser, Yellow-Green Laser.

Filtration: 0.2 µm post-manufacturing filtered.

靶标信息

CCR7 is a member of the G protein coupled receptor family, which is a subfamily of chemokines. CCR7 was identified to be induced by the Epstein Barr virus (EBV), and is thought to be a mediator of EBV effects on B lymphocytes. CCR7 has been reported to be expressed in blood, bone marrow, lymph node, and intestine. CCR7 is particularly expressed in lymphoid tissues and in activated B and T lymphocytes and has been shown to control the migration of memory T cells to inflamed tissues, as well as stimulate dendritic cell maturation. The chemokine (C-C motif) ligand 19 (CCL19/ECL) has been reported to be a specific ligand of this receptor. ESTs have been isolated from blood, embryo, lymph node, and thymus libraries. Receptors for the C - C chemokine family include CCR 1, CCR 2A, CCR 3, CCR 4, CCR 5 and the Duffy blood group antigen. The C-C receptors are important in the function of T cell chemotaxis and migration of phagocytic cells to sites of inflammation.

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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Product References

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Mapping and role of T cell response in SARS-CoV-2-infected mice.

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Zhuang Z,Lai X,Sun J,Chen Z,Zhang Z,Dai J,Liu D,Li Y,Li F,Wang Y,Zhu A,Wang J,Yang W,Huang J,Li X,Hu L,Wen L,Zhuo J,Zhang Y,Chen D,Li S,Huang S,Shi Y,Zheng K,Zhong N,Zhao J,Zhou D,Zhao J

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Carbomer-based adjuvant elicits CD8 T-cell immunity by inducing a distinct metabolic state in cross-presenting dendritic cells.

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Lee W,Kingstad-Bakke B,Paulson B,Larsen A,Overmyer K,Marinaik CB,Dulli K,Toy R,Vogel G,Mueller KP,Tweed K,Walsh AJ,Russell J,Saha K,Reyes L,Skala MC,Sauer JD,Shayakhmetov DM,Coon J,Roy K,Suresh M

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Fri Jan 01 00:00:00 EST 2021

Prostaglandin E2 serves a dual role in regulating the migration of dendritic cells.

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Diao G,Huang J,Zheng X,Sun X,Tian M,Han J,Guo J

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Fri Jan 01 00:00:00 EST 2021

A Versatile Toolkit for Semi-Automated Production of Fluorescent Chemokines to Study CCR7 Expression and Functions.

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25-1971-82 was used in Flow Cytometry to identify mouse and human αβ thymocyte developmental trajectories.

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Inflammatory Type 2 cDCs Acquire Features of cDC1s and Macrophages to Orchestrate Immunity to Respiratory Virus Infection.

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Mannose-capped lipoarabinomannan from Mycobacterium tuberculosis preferentially inhibits sphingosine-1-phosphate-induced migration of Th1 cells.

Journal of immunology (Baltimore, Md. : 1950)

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Journal of immunology (Baltimore, Md. : 1950)

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生物信息学

蛋白别名: C-C chemokine receptor type 7; C-C CKR-7; CD197; chemokine (C-C) receptor 7; EBI1; EBV-induced G-protein coupled receptor 1; Epstein-Barr virus-induced G-protein coupled receptor 1; MIP-3 beta receptor

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基因别名: CC-CKR-7; CCR-7; Ccr7; CD197; Cdw197; Cmkbr7; EBI1; Ebi1h

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UniProt ID: (Mouse) P47774

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Entrez Gene ID: (Mouse) 12775

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功能

signal transducer activity G-protein coupled receptor activity chemokine receptor activity protein binding C-C chemokine receptor activity chemokine (C-C motif) ligand 19 binding chemokine (C-C motif) ligand 21 binding C-C motif chemokine 19 receptor activity C-C motif chemokine 21 receptor activity

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