Human Fc gamma  RI/CD64 Antibody

Clone 10.1 was used by HLDA to establish CD designation
Catalog # Availability Size / Price Qty
MAB1257-SP
MAB1257-100
MAB1257-500
Detection of Fc gamma  RI/CD64 in Human Blood Monocytes by Flow Cytometry.
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Product Details
Citations (4)
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Human Fc gamma  RI/CD64 Antibody Summary

Species Reactivity
Human
Specificity
Detects human Fc gamma RI/CD64.
Source
Monoclonal Mouse IgG1 Clone # 10.1
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Rheumatoid synovial fluid cells and fibronectin purified monocytes
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
Flow Cytometry
0.25 µg/106 cells
See below
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 
Immunocytochemistry
8-25 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

Flow Cytometry Detection of Fc? RI/CD64 antibody in Human Blood Monocytes antibody by Flow Cytometry. View Larger

Detection of Fc gamma RI/CD64 in Human Blood Monocytes by Flow Cytometry. Human peripheral blood monocytes were stained with Mouse Anti-Human Fc gamma RI/CD64 Monoclonal Antibody (Catalog # MAB1257, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram), followed by Phycoerythrin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0102B). View our protocol for Staining Membrane-associated Proteins.

Immunocytochemistry Fc? RI/CD64 antibody in U937 Human Cell Line by Immunocytochemistry (ICC). View Larger

Fc gamma RI/CD64 in U937 Human Cell Line. Fc gamma RI/CD64 was detected in immersion fixed U937 human histiocytic lymphoma cell line using Mouse Anti-Human Fc gamma RI/CD64 Monoclonal Antibody (Catalog # MAB1257) at 25 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
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: Fc gamma RI/CD64

Receptors for the Fc region of IgG (Fc gamma Rs) are members of the Ig superfamily that function in the activation or inhibition of immune responses such as degranulation, phagocytosis, ADCC (antibody-dependent cellular toxicity), cytokine release, and B cell proliferation (1‑3). The Fc gamma Rs have been divided into three classes based on close relationships in their extracellular domains; these groups are designated Fc gamma  RI (also known as CD64), Fc gamma  RII (CD32), and Fc gamma  RIII (CD16). Each group may be encoded by multiple genes and exist in different isoforms depending on species and cell type. The CD64 proteins are high affinity receptors
(~10‑8  10‑9 M) capable of binding monomeric IgG, whereas the CD16 and CD32 proteins bind IgG with lower affinities (~10‑6  10‑7 M) only recognizing IgG aggregates surrounding multivalent antigens (1, 4). Fc gamma Rs that deliver an activating signal either have an intrinsic immunoreceptor tyrosine-based activation motif (ITAM) within their cytoplasmic domains or associate with one of the ITAM-bearing adapter subunits, Fc R gamma or zeta (3, 5). The only inhibitory member in human and mouse, Fc gamma  RIIb, has an intrinsic cytoplasmic immunoreceptor tyrosine-based inhibitory motif (ITIM). The coordinated functioning of activating and inhibitory receptors is necessary for successful initiation, amplification, and termination of immune responses (5). Three highly homologous genes (A, B, and C) sharing 98% identity at the nucleotide level have been identified for the human CD64 group (1). Fc gamma RI is transmembrane protein with three extracellular Ig-like domains, and it delivers an activating signal via the associatedFc R gamma accessory chain. The genes for Fc gamma  RIB and Fc gamma  RIC contain stop codons within their membrane proximal Ig-like domains indicating possible secreted receptors (1, 6). An mRNA splice variant of Fc gamma RIB has a deletion of the membrane-proximal Ig-like domain and encodes a putative transmembrane receptor (6). The high affinity recognition of IgG by Fc gamma RI permits the triggering of effector responses at low IgG concentrations typical of early immune responses (2). Fc gamma RI is expressed constitutively on monocytes and macrophages and can be induced on neutrophils and eosinophils (1, 4). Its expression is up‑regulated during bacterial infections and sepsis.

References
  1. Van de Winkel, J. and P. Capes (1993) Immunol. Today 14:215. 
  2. Raghaven, M. and P. Bjorkman (1996) Annu. Rev. Cell Dev. Biol. 12:181.
  3. Ravetch, J. and S. Bolland (2001) Annu. Rev. Immunol. 19:275.
  4. Takai, T. (2002) Nature Rev. Immunol. 2:580.
  5. Ravetch, J. and L. Lanier (2000) Science 290:84.
  6. Ernst, L. et al. (1998) Mol Immunol. 35:943.
Long Name
Fc gamma Receptor I
Entrez Gene IDs
2209 (Human); 14129 (Mouse); 295279 (Rat); 102147198 (Cynomolgus Monkey)
Alternate Names
CD64 antigen; CD64; CD64a; Fc fragment of IgG, high affinity Ia, receptor (CD64); Fc gamma RI; FCG1; Fc-gamma receptor I B2; Fc-gamma RI; Fc-gamma RIA; FcgammaRIa; FCGR1; FcgRI; FcgRIA; FCRI; FcRIA; FLJ18345; high affinity Ia, receptor for (CD64); high affinity immunoglobulin gamma Fc receptor I; IgG Fc receptor I

Product Datasheets

Citations for Human Fc gamma  RI/CD64 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.

4 Citations: Showing 1 - 4
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  1. Therapeutic CD94/NKG2A blockade improves natural killer cell dysfunction in chronic lymphocytic leukemia
    Authors: Farrukh T Awan
    Oncoimmunology, 2016;5(10):e1226720.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  2. Expression of the CD85j (leukocyte Ig-like receptor 1, Ig-like transcript 2) receptor for class I major histocompatibility complex molecules in idiopathic inflammatory myopathies.
    Authors: Schleinitz N, Cognet C, Guia S, Laugier-Anfossi F, Baratin M, Pouget J, Pelissier JF, Harle JR, Vivier E, Figarella-Branger D
    Arthritis Rheum., 2008;58(10):3216-23.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-Fr
  3. Excessive exposure to anionic surfaces maintains autoantibody response to 2-glycoprotein I in patients with antiphospholipid syndrome.
    Authors: Yamaguchi Y, Seta N, Kaburaki J, Kobayashi K, Matsuura E, Kuwana M
    Blood, 2007;110(13):4312-8.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  4. Antibody-enhanced, Fc gamma receptor-mediated endocytosis of Clostridium difficile toxin A.
    Authors: He X, Sun X, Wang J, Wang X, Zhang Q, Tzipori S, Feng H
    Infect Immun, 0;77(6):2294-303.

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