Human LOX-1/OLR1 Antibody

(4 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human LOX-1 in direct ELISAs and Western blots. In direct ELISAs and Western blots, this antibody does not cross-react with recombinant mouse LOX‑1.
  • Source
    Monoclonal Mouse IgG2B Clone # 331212
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human LOX-1/OLR1
    Ser61-Gln273
    Accession # P78380
  • 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.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    Recombinant Human LOX‑1/OLR1 (Catalog # 1798-LX)
  • Flow Cytometry
    2.5 µg/106 cells
    See below
  • Blockade of Receptor-ligand Interaction
    In a functional ELISA, 0.3-1.2 µg/mL of this antibody will block 50% of the binding of 1 μg/mL of biotinylated AGE‑BSA to immobilized Recombinant Human LOX-1/OLR1 (Catalog # 1798-LX) coated at 5 µg/mL (100 µL/well). At 10 μg/mL, this antibody will block >90% of the binding.
  • CyTOF-ready
    Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
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 LOX‑1/OLR1 in THP‑1 Human Cell Line by Flow Cytometry. THP‑1 human acute monocytic leukemia cell line were treated for 72 hours with 50 ng/mL PMA then stained with Mouse Anti-Human LOX‑1/OLR1 Monoclonal Antibody (Catalog # MAB1798, filled histogram) or isotype control antibody (Catalog # MAB0041, open histogram), followed by Allophycocyanin-conjugated Anti-Mouse IgG F(ab')2 Secondary Antibody (Catalog # F0101B).
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: LOX-1/OLR1

Lectin-like oxidized low-density-lipoprotein receptor-1 (LOX-1), also known as oxidized low-density-lipoprotein receptor-1 (OLR-1), is a type II transmembrane receptor belonging to the C-type lectin family (1). It also belongs to the functionally defined scavenger receptor (SR) superfamily, whose members share the common ability to bind and internalize modified forms of Low Density Lipoproteins (LDL) (2-4). LOX-1 is the first member of the class E scavenger receptor subfamily (SR-E). It binds and supports the internalization of multiple structurally unrelated macromolecules including oxidized LDL, advanced glycation end products (AGE), activated platelets, bacteria, apoptotic or aged cells, and heat shock proteins (5-7). LOX-1 has also been implicated as an intestinal receptor involved in the transcytosis of pancreatic bile salt-dependent lipase (8). The human LOX-1 gene encodes a 273 amino acid (aa) residue protein with a short N-terminal intracellular domain, a transmembrane domain, an extracellular stalk/neck region followed by a C-type lectin-like domain (CTLD) (1, 6). The CTLD, which is required for ligand recognition, contains the six conserved cysteine residues present in all C-type lectins, but lacks the Ca2+-binding residues found in classical C-type lectins. LOX-1 can be detected on activated endothelial cells, vascular smooth muscle cells, macrophages, intestinal cells, and dendritic cells (6-8). The expression of LOX-1 is induced by proinflammatory or proatherogenic stimuli, as well as by oxidized LDL itself and hemodynamic or oxidative stress. Human LOX-1 exists on the cell surface as covalent homodimers, which can further associate into non-covalent-linked oligomers (9). Cell surface LOX-1 can also be cleaved by yet unidentified proteases to release the soluble LOX-1 extracellular domain (6). Binding and endocytosis of oxidized LDL by LOX-1 induces oxidative stress, activates NF kappa B, and upregulates the expression of monocyte chemoattractant protein-1 and matrix metalloproteases (5-9). LOX-1-dependent oxidized LDL uptake also induces apoptosis by inducing the expression of the pro-apoptotic Bax and downregulation of the anti-apoptotic Bcl-2 (10). Oxidized LDL plays a key role in the pathogenesis of atherosclerosis and endothelial dysfunction. Blockade of LOX-1 functions may turn out to be a suitable target for the therapeutic intervention of atherosclerosis.

  • References:
    1. Sawamura, T. et al. (1997) Nature 386:73. 
    2. Daugherty, A. et al. (2000) Curr. Opin. Cardiovasc. Pulm. Ren. Invest. Drugs. 2:223. 
    3. Platt, N. and S. Gordon (2001) J. Clin. Invest. 108:649. 
    4. Platt, N. and S. Gordon (1998) Chem. Biol. 5:R193. 
    5. Jono, T. et al. (2002) FEBS Lett. 511:170. 
    6. Kume, N. et al. (2001) Curr. Opin. Lipidol. 12:419.
    7. Delneste, Y. et al. (2002) Immunity 17:353.
    8. Bruneau, N. et al. (2003) Mol. Biol. Cell 14:2861.
    9. Xie, Q. et al. (2004) DNA and Cell Biol. 23:111.
    10. Chen, J. et al. (2003) Circ. Res. 94:370.
  • Long Name:
    Lectin-like Oxidized Low-density Lipoprotein Receptor 1
  • Entrez Gene IDs:
    4973 (Human); 108078 (Mouse)
  • Alternate Names:
    CLEC8A; CLEC8ASLOX1; C-type lectin domain family 8 member A; hLOX-1; Lectin-like oxidized LDL receptor 1; Lectin-like oxLDL receptor 1; Lectin-type oxidized LDL receptor 1; LOX1; LOX-1; LOX1ox LDL receptor 1; LOXIN; OLR1; oxidised low density lipoprotein (lectin-like) receptor 1; oxidized low density lipoprotein (lectin-like) receptor 1; oxidized low-density lipoprotein receptor 1; oxidized low-density lipoprotein receptor 1, soluble form; Ox-LDL receptor 1; SCARE1; scavenger receptor class E, member 1; SR-E1
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.

4 Citations: Showing 1 - 4
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Species
Applications
Sample Type
  1. Expression profile of cord blood neutrophils and dysregulation of HSPA1A and OLR1 upon challenge by bacterial peptidoglycan.
    Authors: Fong O, Chan K, Leung K, Lam H, Cheung H, Leung T, Li K, Ng P
    J Leukoc Biol, 2014;95(1):169-78.
    Species: Human
    Sample Type: Cell Lysates
    Application: IP
  2. Altered sciatic nerve fiber morphology and endoneural microvessels in mouse models relevant for obesity, peripheral diabetic polyneuropathy, and the metabolic syndrome.
    Authors: Nowicki M, Kosacka J, Serke H, Bluher M, Spanel-Borowski K
    J. Neurosci. Res., 2012;90(1):122-31.
    Species: Mouse
    Sample Type: Tissue Homogenates
    Application: WB
  3. The variable expression of lectin-like oxidized low-density lipoprotein receptor (LOX-1) and signs of autophagy and apoptosis in freshly harvested human granulosa cells depend on gonadotropin dose, age, and body weight.
    Authors: Vilser C, Hueller H, Nowicki M, Hmeidan FA, Blumenauer V, Spanel-Borowski K
    Fertil. Steril., 2010;93(8):2706-15.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
  4. Traditional Chinese medication Tongxinluo dose-dependently enhances stability of vulnerable plaques: a comparison with a high-dose simvastatin therapy.
    Authors: Zhang L, Liu Y, Lu XT, Wu YL, Zhang C, Ji XP, Wang R, Liu CX, Feng JB, Jiang H, Xu XS, Zhao YX, Zhang Y
    Am. J. Physiol. Heart Circ. Physiol., 2009;297(6):H2004-14.
    Species: Rabbit
    Sample Type: Whole Cells
    Application: ICC
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG2B Isotype Control

Ctrl MAB004 32  
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Mouse IgG2B Isotype Control

Ctrl MAB0041 7  
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Mouse IgG2B Isotype Control

Ctrl MAB0042 6
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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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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse IgG Antibody

WB AF007 4
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Rat Anti-Mouse IgG2B APC-conjugated Antibody

Flow F0133 1  
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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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Rat Anti-Mouse IgG2B Fluorescein-conjugated Antibody

Flow F0134 1
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Mouse IgG2B Antibody

Flow MAB0043  
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Rat Anti-Mouse IgG2B PE-conjugated Antibody

Flow F0132  
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