Human CXCL4/PF4 Alexa Fluor® 405-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # IC7952V
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Intracellular Staining by Flow Cytometry
Label
Alexa Fluor 405 (Excitation = 405 nm, Emission = 421 nm)
Antibody Source
Monoclonal Mouse IgG2B Clone # 170138
Product Specifications
Immunogen
E. coli-derived recombinant human CXCL4/PF4
Glu32-Ser101
Accession # P02776.2
Glu32-Ser101
Accession # P02776.2
Specificity
Detects human CXCL4/PF4 in direct ELISAs and Western blots. In Western blots, no cross-reactivity with recombinant mouse (rm) CXCL6, recombinant human (rh) CXCL6, rhCXCL7, rmCXCL13 or rhCCL21 is observed.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG2B
Applications for Human CXCL4/PF4 Alexa Fluor® 405-conjugated Antibody
Application
Recommended Usage
Intracellular Staining by Flow Cytometry
0.25-1 µg/106 cells
Sample: Human immature dentritic cells fixed with paraformaldehyde and permeabilized with saponin
Sample: Human immature dentritic cells fixed with paraformaldehyde and permeabilized with saponin
Please Note: Optimal dilutions of this antibody should be experimentally determined.
Formulation, Preparation, and Storage
Purification
Protein A or G purified from hybridoma culture supernatant
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: CXCL4/PF4
CXCL4, also known as Platelet Factor 4 (PF4), is an 8 kDa CXC chemokine that is stored in platelet alpha-granules as a
homotetramer and secreted abundantly during platelet activation. Human CXCL4 is a 101 amino acid (aa) protein with a 32 aa signal sequence and a 70 aa mature protein that includes granule targeting and
heparin-binding sequences. CXCL4 has homology with IL-8 and beta-thromboglobulin and can form heteromultimers with IL-8. Mature human and mouse CXCL4 share 76% aa identity. The active protein consists of a tetramer composed of individual CXCL4 subunits. Megakaryocytes synthesize CXCL4 and store it as tetramers in
alpha-granules. The CXCL4 tetramers are secreted by activated platelets and can be measured at micromolar levels in serum. In contrast to other CXC chemokines, CXCL4 lacks chemotactic activity for polymorphonuclear granulocytes. CXCL4 does not contain an ELR motif. However, many other functions have been observed for CXCL4. CXCL4 is involved in monocyte survivial and differentiation into macrophages, has anti-angiogenic activity and promotes granule Protein C activation. CXCL4 has been demonstrated to inhibit the binding of FGF-2 to high-affinity receptors and its subsequent internalization. Cell surface neutrophil chondroitin sulfate chains serve as CXCL4 binding sites; affinity is controlled by the degree of sulfation of these chains.
References
- Poncz, M. et al. (1987) Blood 69:219.
- Scheuerer, B. et al. (2000) Blood 95:1158.
- Perollet, C. et al. (1998) Blood 91:3289.
- Petersen, F. et al. (1998) J. Immunol. 161:4347.
- Petersen, F. et al. (1999) J. Biol. Chem. 274:12376.
- Watanabe, O. et al. (1999) J. Hum. Genet. 44:173.
Alternate Names
PF4
Gene Symbol
PF4
UniProt
Additional CXCL4/PF4 Products
Product Documents for Human CXCL4/PF4 Alexa Fluor® 405-conjugated Antibody
Product Specific Notices for Human CXCL4/PF4 Alexa Fluor® 405-conjugated Antibody
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
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