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AB270127

Alexa Fluor® 647 Anti-CTLA4 抗体 [CAL49]

Alexa Fluor® 647 Anti-CTLA4 antibody [CAL49]

  • BOND RX™ Validated
  • RabMAb
  • Recombinant
  • Advanced Validation
  • 詳細を見る

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Rabbit Recombinant Monoclonal CTLA4 antibody - conjugated to Alexa Fluor® 647. Suitable for mIHC, IHC-P, Flow Cyt (Intra) and reacts with Human, Mouse samples.

別名を表示する

CD152, CTLA4, Cytotoxic T-lymphocyte protein 4, Cytotoxic T-lymphocyte-associated antigen 4, CTLA-4

2 Images
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 647 Anti-CTLA4 antibody [CAL49] (AB270127)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 647 Anti-CTLA4 antibody [CAL49] (AB270127)

Immunofluorescence staining of CTLA4 staining in a section of formalin-fixed paraffin-embedded human normal tonsil*.

Performed on a Leica BOND. The section was pre-treated using heat mediated antigen retrieval with EDTA (pH 9.0) using retrieval settings of 110°C for 20 minutes. The section was then incubated at room temperature for 1 hour with ab270127 at 1/100 dilution (shown in red). Nuclear DNA was labelled with DAPI (shown in blue). The section was then mounted using Dako Fluorescence Mounting Medium®.

Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

For other IHC staining systems (automated and non-automated), customers should optimize variable parameters such as antigen retrieval conditions, antibody concentrations and incubation times.

*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre.

Multiplex immunohistochemistry - Alexa Fluor® 647 Anti-CTLA4 antibody [CAL49] (AB270127)
  • mIHC

Collaborator

Multiplex immunohistochemistry - Alexa Fluor® 647 Anti-CTLA4 antibody [CAL49] (AB270127)

Immunofluorescence analysis of human bladder transitional cell carcinoma labelled with ab270127. Image was acquired using Cell DIVE Multiplexed Imaging Solution (Leica Microsystems).

Formalin fixed paraffin embedded (FFPE) sections were incubated with ab270127 at 1/100 dilution, for 1h at room temperature. Nuclear DNA was labelled with DAPI (Red). Deparaffinization, antigen retrieval, biomarker labeling and imaging was performed following Cell DIVE recommended standard protocol. Cell DIVE automatically processed the image to perform autofluorescence removal, distortion correction, blank glass subtraction, flat-field correction, and stitching.

関連する標識済み抗体及び組成の異なる製品 (4)

Key facts

宿主種

Rabbit

クローン性

Monoclonal

クローン番号

CAL49

アイソタイプ

IgG

標識

Alexa Fluor® 647

励起波長/蛍光波長

Ex: 650nm, Em: 665nm

キャリアフリー

No

交差種

Human

アプリケーション

IHC-P, Flow Cyt (Intra), mIHC

applications

免疫原

The exact immunogen used to generate this antibody is proprietary information.

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "mIHC" : {"fullname" : "Multiplex immunohistochemistry", "shortname":"mIHC"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"}, "FlowCytIntra" : {"fullname" : "Flow Cytometry (Intracellular)", "shortname":"Flow Cyt (Intra)"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "mIHC-species-checked": "testedAndGuaranteed", "mIHC-species-dilution-info": "1/100", "mIHC-species-notes": "<p></p>", "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "1/100", "IHCP-species-notes": "<p></p>", "FlowCytIntra-species-checked": "guaranteed", "FlowCytIntra-species-dilution-info": "", "FlowCytIntra-species-notes": "<p></p>" }, "Mouse": { "mIHC-species-checked": "notRecommended", "mIHC-species-dilution-info": "", "mIHC-species-notes": "", "IHCP-species-checked": "guaranteed", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>", "FlowCytIntra-species-checked": "guaranteed", "FlowCytIntra-species-dilution-info": "", "FlowCytIntra-species-notes": "<p></p>" } } }
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製品の詳細

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company. The Alexa Fluor® dye included in this product is provided under an intellectual property license from Life Technologies Corporation. As this product contains the Alexa Fluor® dye, the purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). As this product contains the Alexa Fluor® dye the sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: in manufacturing; (ii) to provide a service, information, or data in return for payment (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are sold for use in research. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

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出荷温度及び保存条件

製品の状態
Liquid
精製方法
Affinity purification Protein A
バッファー組成
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 30% Glycerol (glycerin, glycerine), 1% BSA
出荷温度
Blue Ice
短期保存期間
1-2 weeks
短期保存温度
+4°C
長期保存温度
-20°C
分注に関する情報
Upon delivery aliquot
保管に関する情報
Avoid freeze / thaw cycle|Store in the dark
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補足情報

This supplementary information is collated from multiple sources and compiled automatically.

CTLA-4 also known as CD152 is an immune checkpoint receptor with a molecular weight of approximately 34 kDa. This protein is expressed on the surface of T-cells especially after activation and sometimes on regulatory T-cells (Tregs). CTLA-4 competes with CD28 for binding to the same ligands CD80 and CD86 on antigen-presenting cells. Unlike CD28 which stimulates T-cell activation CTLA-4 sends inhibitory signals to downregulate immune responses. By doing this CTLA-4 helps maintain immune system homeostasis and prevents autoimmune reactions.
Biological function summary

The CTLA-4 protein functions as a critical regulator of the immune system. It interacts with CD80/CD86 in a complex that effectively transmits inhibitory signals to T-cells. CTLA-4 controls the amplitude of the initial activation of T-cells ensuring that the body's immune responses are kept under control. In regulatory T-cells CTLA-4 engagement contributes to their immunosuppressive functions through which they maintain tolerance to self-antigens and prevent overactive immune reactions.

Pathways

CTLA-4 involves itself in the adaptive immune response pathways specifically the regulation of T-cell activity. CTLA-4's interaction with CD80/CD86 modulates pathways associated with TCR (T-cell receptor) signaling. When CTLA-4 binds its ligands it recruits phosphatases such as SHP-2 that dephosphorylate signaling proteins leading to the downregulation of T-cell interaction. This pathway interaction exemplifies how CTLA-4 acts in concert with proteins like CD28 to finely tune immune responses.

CTLA-4 plays a role in autoimmune diseases and cancer. The dysregulation of CTLA-4 function can lead to autoimmune disorders where the immune system attacks the body's own tissue. In cancer tumor cells may manipulate CTLA-4 pathways to evade immune surveillance. Targeted therapies like anti-CTLA-4 antibodies such as ipilimumab have been developed to block CTLA-4 aiming to enhance the immune system’s ability to attack cancer cells. These treatments highlight the role of CTLA-4 in balancing immune activity and the potential to alter this balance for therapeutic benefit.
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製品プロトコール

For this product, it's our understanding that no specific protocols are required. You can visit:
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ターゲットの情報

Inhibitory receptor acting as a major negative regulator of T-cell responses. The affinity of CTLA4 for its natural B7 family ligands, CD80 and CD86, is considerably stronger than the affinity of their cognate stimulatory coreceptor CD28.
See full target information CTLA4
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組合せ製品

Assay Kits

AB264616

Human CTLA-4 ELISA Kit

Recombinant|SimpleStep

Sandwich ELISA - Human CTLA-4 ELISA Kit (AB264616)

  • 0
  • 0
Primary Antibodies

AB201825

Alexa Fluor® 647 Anti-PD1 antibody [EPR4877(2)]

RabMAb|Recombinant

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 647 Anti-PD1 antibody [EPR4877(2)] (AB201825)

  • 5
  • 1
Primary Antibodies

AB275738

Alexa Fluor® 488 Anti-CD11c antibody [EP1347Y]

RabMAb|Recombinant

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 488 Anti-CD11c antibody [EP1347Y] (AB275738)

  • 4
  • 1
Primary Antibodies

AB275165

Alexa Fluor® 647 Anti-CCR7 antibody [EPR23192-57]

BOND RX™ Validated|RabMAb|Recombinant

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 647 Anti-CCR7 antibody [EPR23192-57] (AB275165)

  • 0
  • 0
Secondary Antibodies

AB150077

Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488)

Immunocytochemistry/ Immunofluorescence - Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (AB150077)

  • 5
  • 20

Abcam product promise

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