Human CXCL4/PF4 Antibody

(1 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human CXCL4/PF4 in direct ELISAs and Western blots. In Western blots, this antibody does not cross-react with recombinant mouse CXCL4/PF4, recombinant human (rh) GRO alpha, or rhGRO beta.
  • Source
    Monoclonal Mouse IgG1 Clone # 170106
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    E. coli-derived recombinant human CXCL4/PF4
    Glu32-Ser101
    Accession # P02776.2
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    2 µg/mL
    See below
  • Simple Western
    10 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human CXCL4/PF4 by Western Blot. Western blot shows lysates of human spleen tissue and human platelets. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human CXCL4/PF4 Monoclonal Antibody (Catalog # MAB795) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for CXCL4/PF4 at approximately 11 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of Human CXCL4/PF4 by Simple WesternTM. Simple Western lane view shows lysates of human platelets, loaded at 0.2 mg/mL. A specific band was detected for CXCL4/PF4 at approximately 13 kDa (as indicated) using 10 µg/mL of Mouse Anti-Human CXCL4/PF4 Monoclonal Antibody (Catalog # MAB795). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.        
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: CXCL4/PF4

CXCL4, also known as Platelet Factor 4, is a member of the CXC chemokine family, CXCL4. Human CXCL4 is a 101 amino acid (aa) protein with a 32 aa signal sequence and a 70 aa mature protein. CXCL4 has homology with IL-8 and beta -thromboglobulin. Human and mouse CXCL4 share a 64% identity. CXCL4 contains several heparin-binding sites at the C-terminal region. 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, and it has anti-angiogenic activity. 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:
    1. Poncz, M. et al. (1987) Blood 69:219.
    2. Scheuerer, B. et al. (2000) Blood 95:1158.
    3. Perollet, C. et al. (1998) Blood 91:3289.
    4. Petersen, F. et al. (1998) J. Immunol. 161:4347.
    5. Petersen, F. et al. (1999) J. Biol. Chem. 274:12376.
    6. Watanabe, O. et al. (1999) J. Hum. Genet. 44:173.
  • Entrez Gene IDs:
    5196 (Human); 56744 (Mouse); 360918 (Rat)
  • Alternate Names:
    chemokine (C-X-C motif) ligand 4; C-X-C motif chemokine 4; CXCL4; CXCL4iroplact; Iroplact; MGC138298; Oncostatin-A; PF4; PF-4; platelet factor 4; SCYB4oncostatin-A
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citations: Showing 1 - 1

  1. PF-4/CXCL4 and CXCL4L1 exhibit distinct subcellular localization and a differentially regulated mechanism of secretion.
    Authors: Lasagni L, Grepin R, Mazzinghi B, Lazzeri E, Meini C, Sagrinati C, Liotta F, Frosali F, Ronconi E, Alain-Courtois N, Ballerini L, Netti GS, Maggi E, Annunziato F, Serio M, Romagnani S, Bikfalvi A, Romagnani P
    Blood, 2007;109(10):4127-34.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: WB
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG1 Isotype Control

Ctrl MAB002 138  
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Mouse IgG1 Isotype Control

Ctrl MAB002R 1
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Secondary Antibodies
Description Application Cat# Citations Images  

Mouse IgG HRP-conjugated Antibody

WB HAF007 26  
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Mouse F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0102B 10  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow, IHC, ICC NL007 9
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 2  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL008 8
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL009 5
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse IgG Antibody

WB AF007 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Goat Anti-Mouse IgG Fc Affinity Purified Polyclonal Ab

G-202-C 2
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