Human CD47 Antibody
Human CD47 Antibody Summary
Gln19-Pro139
Accession # Q08722
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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 CD47 by Western Blot. fWestern blot shows lysates of U937 human histiocytic lymphoma cell line and human placenta tissue, not heated to minimize aggregation. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human CD47 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4670) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). Specific bands were detected for CD47 at approximately 45-70 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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Detection of CD47 in Human Lymphocytes by Flow Cytometry. Human whole blood lymphocytes were stained with Sheep Anti-Human CD47 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4670, filled histogram) or control antibody (Catalog # 5-001-A, open histogram), followed by Northern-Lights™ 557-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # NL010).
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CD47 in Human Placenta. CD47 was detected in immersion fixed paraffin-embedded sections of human placenta using 5 µg/mL Sheep Anti-Human CD47 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4670) overnight at 4 °C. Tissue was stained with the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
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Cell Adhesion Mediated by SIRP alpha /CD172a and Neutral-ization by Human CD47 Antibody. Recombinant Human SIRPa/CD172a (Catalog # 4546-SA), immobilized onto a microplate, supports the adhesion of the human erythrocytes in a dose-dependent manner (orange line). Adhesion elicited by Recombinant Human SIRP-a (2 µg/mL) is neutralized (green line) by increasing concentrations of Sheep Anti-Human CD47 Poly-clonal Antibody (Catalog # AF4670). The adhesion was maximally inhibited (70-100%) by 2 µg/mL of the antibody.
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Western Blot Shows Human CD47 Specificity by Using Knockout Cell Line. Western blot shows lysates of HEK293T human embryonic kidney parental cell line and CD47 knockout HEK293T cell line (KO). PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human CD47 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4670) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). Specific bands were detected for CD47 at approximately 50 kDa (as indicated) in the parental HEK293T cell line, but is not detectable in knockout HEK293T cell line. GAPDH (Catalog # AF5718) is shown as a loading control. This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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: CD47
CD47 (also integrin-associated protein/IAP and OA3) is a variably glycosylated, 40‑60 kDa atypical member of the Ig-Superfamily. It is expressed on almost all cell types, including erythrocytes. CD47 binds to TSP-1 and SIRP alpha, and forms a membrane complex with CD36 and alpha v beta 3. Mature human CD47 is a 305 amino acid (aa), five-transmembrane glycoprotein. It contains a 123 aa extracellular region (aa 19‑141) that is characterized by the presence of a V-type Ig-like domain (aa 19‑127), and a 34 aa C-terminal cytoplasmic tail that interacts with Gi alpha subunits. Three splice variants occur over aa 293‑323. Over aa 19‑139, human CD47 shares 61%, 71% and 66% aa identity with mouse, porcine and canine CD47, respectively.
Product Datasheets
Citations for Human CD47 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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Formation of Human Neuroblastoma in Mouse-Human Neural Crest Chimeras
Authors: MA Cohen, S Zhang, S Sengupta, H Ma, GW Bell, B Horton, B Sharma, RE George, S Spranger, R Jaenisch
Cell Stem Cell, 2020;0(0):.
Species: Mouse
Sample Types: Tissue
Applications: IHC-P -
Clinical Relevance of Immune Checkpoints on Circulating Tumor Cells in Breast Cancer
Authors: MA Papadaki, AV Koutsopoul, PG Tsoulfas, E Lagoudaki, D Aggouraki, A Monastirio, C Koutoulaki, CA Apostolopo, AC Merodoulak, C Papadaki, D Mavroudis, S Agelaki
Cancers (Basel), 2020;12(2):.
Species: Human
Sample Types: Whole Cells
Applications: ICC -
Combined prognostic value of the cancer stem cell markers CD47 and CD133 in esophageal squamous cell carcinoma
Authors: JH Wang, ST Huang, L Zhang, ZG Liu, RX Liang, SW Jiang, YN Jiang, XJ Yu, YC Jiang, XZ Li, PF Zhang, ZS Wen, M Zheng
Cancer Med, 2019;0(0):.
Species: Human
Sample Types: Whole Tissue
Applications: IHC -
Relationship between tumor-associated macrophage subsets and CD47 expression in squamous cell carcinoma of the head and neck in the tumor microenvironment
Authors: Koichi Sakakura
Lab Invest, 2016;0(0):.
Species: Human
Sample Types: Whole Cells
Applications: Neutralization -
Identification of a population of blood circulating tumor cells from breast cancer patients that initiates metastasis in a xenograft assay.
Authors: Baccelli I, Schneeweiss A, Riethdorf S, Stenzinger A, Schillert A, Vogel V, Klein C, Saini M, Bauerle T, Wallwiener M, Holland-Letz T, Hofner T, Sprick M, Scharpff M, Marme F, Sinn H, Pantel K, Weichert W, Trumpp A
Nat Biotechnol, 2013;31(6):539-44.
Species: Human
Sample Types: Whole Tissue
Applications: IHC-P
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