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AB282001

Alexa Fluor® 594 Anti-PF4 antibody [EPR7763]

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Rabbit Recombinant Monoclonal PF4 antibody - conjugated to Alexa Fluor® 594. Suitable for IHC-P and reacts with Mouse, Human, Rat samples.

View Alternative Names

CXCL4, SCYB4, PF4, Platelet factor 4, PF-4, C-X-C motif chemokine 4, Iroplact, Oncostatin-A

4 Images
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-PF4 antibody [EPR7763] (AB282001)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-PF4 antibody [EPR7763] (AB282001)

Immunohistochemical analysis of paraffin-embedded Human spleen tissue labeling PF4 with ab282001 at 1/100 dilution.

Positive staining on human spleen. The section was then incubated overnight at +4°C in TBS containing 0.025% (v/v) Triton X-100 and 1% (w/v) BSA with ab282001 at 1/100 dilution (shown in red). Nuclear DNA was labeled with DAPI (shown in blue). The section was then mounted using Fluoromount®. Non-specific protein-protein interactions were then blocked in TBS containing 0.025% (v/v) Triton X-100, 0.3M (w/v) glycine and 1% (w/v) BSA for 1h at room temperature. Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

Heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-PF4 antibody [EPR7763] (AB282001)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-PF4 antibody [EPR7763] (AB282001)

Immunohistochemical analysis of paraffin-embedded Mouse testis tissue labeling Osteopontin with ab282001 at 1/100 dilution.

Negative control : no staining on mouse testis. The section was then incubated overnight at +4°C in TBS containing 0.025% (v/v) Triton X-100 and 1% (w/v) BSA with ab282001 at 1/100 dilution (shown in red). Nuclear DNA was labeled with DAPI (shown in blue). The section was then mounted using Fluoromount®. Non-specific protein-protein interactions were then blocked in TBS containing 0.025% (v/v) Triton X-100, 0.3M (w/v) glycine and 1% (w/v) BSA for 1h at room temperature. Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

Heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-PF4 antibody [EPR7763] (AB282001)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-PF4 antibody [EPR7763] (AB282001)

Immunohistochemical analysis of paraffin-embedded Mouse spleen tissue labeling PF4 with ab282001 at 1/100 dilution.

Positive staining on mouse spleen. The section was then incubated overnight at +4°C in TBS containing 0.025% (v/v) Triton X-100 and 1% (w/v) BSA with ab282001 at 1/100 dilution (shown in red). Nuclear DNA was labeled with DAPI (shown in blue). The section was then mounted using Fluoromount®. Non-specific protein-protein interactions were then blocked in TBS containing 0.025% (v/v) Triton X-100, 0.3M (w/v) glycine and 1% (w/v) BSA for 1h at room temperature. Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

Heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-PF4 antibody [EPR7763] (AB282001)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-PF4 antibody [EPR7763] (AB282001)

Immunohistochemical analysis of paraffin-embedded Rat spleen tissue labeling PF4 with ab282001 at 1/100 dilution.

Positive staining on rat spleen. The section was then incubated overnight at +4°C in TBS containing 0.025% (v/v) Triton X-100 and 1% (w/v) BSA with ab282001 at 1/100 dilution (shown in red). Nuclear DNA was labeled with DAPI (shown in blue). The section was then mounted using Fluoromount®. Non-specific protein-protein interactions were then blocked in TBS containing 0.025% (v/v) Triton X-100, 0.3M (w/v) glycine and 1% (w/v) BSA for 1h at room temperature. Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

Heat mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR7763

Isotype

IgG

Conjugation

Alexa Fluor® 594

Excitation/Emission

Ex: 590nm, Em: 617nm

Carrier free

No

Reacts with

Mouse, Rat, Human

Applications

IHC-P

applications

Immunogen

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"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "1/100", "IHCP-species-notes": "<p></p>" }, "Mouse": { "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "1/100", "IHCP-species-notes": "<p></p> Perform heat-mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol." }, "Rat": { "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "1/100", "IHCP-species-notes": "<p></p>" } } }
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Product details

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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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 30% Glycerol (glycerin, glycerine), 1% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle|Store in the dark
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Supplementary information

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

The protein Platelet Factor 4 (PF4) also known as CXCL4 is a member of the chemokine (C-X-C motif) ligand family. This small protein has a molecular weight of approximately 7.8 kDa. PF4 is mainly expressed in megakaryocytes and stored in the alpha granules of platelets. During platelet activation PF4 releases into the bloodstream where it interacts with other proteins and cell types. Researchers measure PF4 levels with methods such as PF4 ELISA to study its expression and functions under various physiological and pathological conditions.
Biological function summary

PF4 plays an important role in modulating the immune response and coagulation processes. PF4 is not part of a stable protein complex but can interact dynamically with heparin on the surface of endothelial cells and glycosaminoglycans. It inhibits the action of heparin promoting clot formation and angiogenesis. PF4 also attracts and activates different types of leukocytes and can regulate inflammatory processes influencing how the immune system responds to injury.

Pathways

PF4 significantly interacts with both the coagulation and inflammation pathways. In the coagulation pathway PF4 acts to neutralize heparin-like molecules thereby enhancing thrombosis. It works closely with proteins such as thrombin and fibrinogen contributing to the blood clot cascade. Within the inflammatory pathway PF4's chemokine activity helps direct leukocytes to sites of tissue damage or infection linking it to cytokines and other chemokines that mediate immune responses.

Researchers associate PF4 with conditions such as thrombosis and autoimmune pathologies. In thrombosis the overexpression of PF4 can lead to excessive clot formation pointing to its interaction with proteins like thrombin. PF4 also plays a role in heparin-induced thrombocytopenia (HIT) a disorder where the immune system mistakenly produces antibodies against heparin-PF4 complexes further indicating its direct involvement with immune and coagulation pathways.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

Chemokine released during platelet aggregation that plays a role in different biological processes including hematopoiesis, cell proliferation, differentiation, and activation (PubMed : 29930254, PubMed : 9531587). Acts via different functional receptors including CCR1, CXCR3A or CXCR3B (PubMed : 18174362, PubMed : 29930254). Upon interaction with CXCR3A receptor, induces activated T-lymphocytes migration mediated via downstream Ras/extracellular signal-regulated kinase (ERK) signaling (PubMed : 18174362, PubMed : 24469069). Neutralizes the anticoagulant effect of heparin by binding more strongly to heparin than to the chondroitin-4-sulfate chains of the carrier molecule. Plays a role in the inhibition of hematopoiesis and in the maintenance of hematopoietic stem cell (HSC) quiescence (PubMed : 9531587). Chemotactic for neutrophils and monocytes via CCR1 (PubMed : 29930254). Inhibits endothelial cell proliferation. In cooperation with toll-like receptor 8/TLR8, induces chromatin remodeling and activates inflammatory gene expression via the TBK1-IRF5 axis (PubMed : 35701499). In addition, induces myofibroblast differentiation and collagen synthesis in different precursor cells, including endothelial cells, by stimulating endothelial-to-mesenchymal transition (PubMed : 34986347). Interacts with thrombomodulin/THBD to enhance the activation of protein C and thus potentiates its anticoagulant activity (PubMed : 9395524).
See full target information PF4
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Product promise

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