Human uPAR Antibody
Human uPAR Antibody Summary
Leu23-Arg303
Accession # Q03405
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Applications
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.
Scientific Data
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Detection of Human uPAR by Western Blot. Western blot shows lysates of A431 human epithelial carcinoma cell line and Saos-2 human osteosarcoma cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human uPAR Antigen Affinity-purified Polyclonal Antibody (Catalog # AF807) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). Specific bands were detected for uPAR at approximately 30-60 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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uPAR in Human Lung Cancer Tissue. uPAR was detected in immersion fixed paraffin-embedded sections of human lung cancer tissue using Goat Anti-Human uPAR Antigen Affinity-purified Polyclonal Antibody (Catalog # AF807) at 1 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Goat IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC004). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to cell membranes and cytoplasm. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.
Reconstitution Calculator
Preparation and Storage
- 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: uPAR
The urokinase-type Plasminogen Activator (uPA) is one of two activators that converts the extracellular zymogen plasminogen to plasmin, a serine protease that is involved in a variety of normal and pathological processes that require cell migration and/or tissue destruction. uPA is synthesized and released from cells as a single-chain (sc) pro-enzyme with limited enzymatic activity and is converted to an active two-chain (tc) disulfide-linked active enzyme by plasmin and other specific proteinases. Both the scuPA and tcuPA bind with high-affinity to the cell surface via the glycosyl phosphatidylinositol-linked receptor uPAR which serves to localize the uPA proteolytic activity. The enzymatic activity of scuPA has also been shown to be enhanced by binding to uPAR. Independent of their proteolytic activity, the uPA/uPAR interaction also initiates signal transduction responses resulting in activation of protein tyrosine kinases, gene expression, cell adhesion, and chemotaxis. uPAR can interact with integrins to suppress normal integrin adhesive function and promote adhesion to vitronectin through a high affinity vitronectin binding site on uPAR. uPAR cDNA encodes a 335 amino acid (aa) residue precursor protein with a 22 aa residue signal peptide, five potential N-linked glycosylation sites and a C‑terminal GPI-anchor site. An alternate spliced variant of uPAR encoding a secreted soluble form of uPAR also exists. Human and mouse uPAR share approximately 60% aa sequence identity and the receptor-ligand interaction is strictly species-specific.
Product Datasheets
Citations for Human uPAR Antibody
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.
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Citations: Showing 1 - 5
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Targeting uPA-uPAR interaction to improve intestinal epithelial barrier integrity in inflammatory bowel disease
Authors: Y Cheng, TR Hall, X Xu, I Yung, D Souza, J Zheng, F Schiele, M Hoffmann, ML Mbow, JP Garnett, J Li
EBioMedicine, 2021;75(0):103758.
Species: Human
Sample Types: Whole Cells
Applications: ICC -
Integrin-uPAR signaling leads to FRA-1 phosphorylation and enhanced breast cancer invasion
Authors: MG Annis, V Ouellet, JP Rennhack, S L'Esperanc, C Rancourt, AM Mes-Masson, ER Andrechek, PM Siegel
Breast Cancer Res., 2018;20(1):9.
Species: Human
Sample Types: Protein
Applications: Immunoprecipitation -
Ang II-stimulated migration of vascular smooth muscle cells is dependent on LR11 in mice.
Authors: Jiang M, Bujo H, Ohwaki K, Unoki H, Yamazaki H, Kanaki T, Shibasaki M, Azuma K, Harigaya K, Schneider WJ, Saito Y
J. Clin. Invest., 2008;118(8):2733-46.
Species: Mouse
Sample Types: Cell Lysates
Applications: Immunoprecipitation -
Modification of kidney barrier function by the urokinase receptor.
Authors: Wei C, Moller CC, Altintas MM, Li J, Schwarz K, Zacchigna S, Xie L, Henger A, Schmid H, Rastaldi MP, Cowan P, Kretzler M, Parrilla R, Bendayan M, Gupta V, Nikolic B, Kalluri R, Carmeliet P, Mundel P, Reiser J
Nat. Med., 2007;14(1):55-63.
Species: Human
Sample Types: Whole Cells
Applications: ICC -
Pitavastatin attenuates the PDGF-induced LR11/uPA receptor-mediated migration of smooth muscle cells.
Authors: Jiang M, Bujo H, Zhu Y, Yamazaki H, Hirayama S, Kanaki T, Shibasaki M, Takahashi K, Schneider WJ, Saito Y
Biochem. Biophys. Res. Commun., 2006;348(4):1367-77.
Species: Rabbit
Sample Types: Cell Lysates
Applications: Western Blot
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