Mouse Fc gamma RI/CD64 Antibody Summary
Accession # P26151
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Detection of Mouse Fc gamma RI/CD64 by Western Blot. Western blot shows lysates of RAW 264.7 mouse monocyte/macrophage cell line and J774A.1 mouse reticulum cell sarcoma macrophage cell line. PVDF membrane was probed with 0.5 µg/mL of Goat Anti-Mouse Fc gamma RI/CD64 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2074) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for Fc gamma RI/CD64 at approximately 60-75 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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: 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).
Mouse Fc gamma RI is transmembrane protein with three extracellular Ig-like domains, and it delivers an activating signal via the associated Fc R gamma accessory chain (1, 2). 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.
- Van de Winkel, J. and P. Capes (1993) Immunol. Today 14:215.
- Raghaven, M. and P. Bjorkman (1996) Annu. Rev. Cell Dev. Biol. 12:181.
- Ravetch, J. and S. Bolland (2001) Annu. Rev. Immunol. 19:275.
- Takai, T. (2002) Nature Rev. Immunol. 2:580.
- Ravetch, J. and L. Lanier (2000) Science 290:84.
Citations for Mouse 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.
Citations: Showing 1 - 2
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Optimization of Whole Tumor Cell Vaccines by Interaction with Phagocytic Receptors
Authors: M Korbelik
Sample Types: In Vivo
Intravenous nanoparticle vaccination generates stem-like TCF1+ neoantigen-specific CD8+ T cells
Authors: F Baharom, RA Ramirez-Va, KKS Tobin, H Yamane, CA Dutertre, A Khalilnezh, GV Reynoso, VL Coble, GM Lynn, MP Mulè, AJ Martins, JP Finnigan, XM Zhang, JA Hamerman, N Bhardwaj, JS Tsang, HD Hickman, F Ginhoux, AS Ishizuka, RA Seder
Nat Immunol, 2020;0(0):.
Sample Types: Whole Tissue
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