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Description: This 3G8 monoclonal antibody reacts with human and non-human primate CD16, which is also known as the low-affinity Fc gamma RIII. CD16 exists as two distinct isoforms, Fc gamma RIIIA and Fc gamma RIIIB. In humans, Fc gamma RIIIA is expressed as a polypeptide-anchored form on monocytes, macrophages, and lymphocytes such as NK cells. T and B cells do not express this Fc receptor. Fc gamma RIIIB is also detected on neutrophils as a GPI-anchored form. Expression of CD16 on lymphocytes and monocytes is similar in non-human primates. However, while CD16 is not found on neutrophils in macaques and baboons, this receptor is detected on these cells in sooty mangabeys. Binding of IgG leads to activation of signal transduction pathways, resulting in antibody-dependent cell-mediated cytotoxicity (ADCC), phagocytosis, cytokine release, and antigen presentation.
This monoclonal antibody has been reported to have several functional activities, including inhibition of cytotoxic ability, activation of cell signaling, and NK cell depletion in vivo. Moreover, the 3G8 antibody clone has been demonstrated to work on capuchin monkey, chimpanzee, common marmoset, cynomologous monkey, hamadyras baboon, olive baboon, pigtailed macaque, rhesus, and squirrel monkey.
Based on cross-blocking studies 3G8 recognizes the same epitope as CB16. However, 3G8 and B73.1 antibody clones bind distinct epitopes.
Applications Reported: This 3G8 antibody has been reported for use in flow cytometric analysis.
Applications Tested: This 3G8 antibody has been pre-diluted and tested by flow cytometric analysis of normal human peripheral blood cells. This may be used at 5 µL (0.125 µg) per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.
APC-eFluor 780 emits at 780 nm and is excited with the Red laser (633-647 nm). Please make sure that your instrument is capable of detecting this fluorochrome.
Light sensitivity: This tandem dye is sensitive to photo-induced oxidation. Please protect this vial and stained samples from light.
Fixation: Samples can be stored in IC Fixation Buffer (Product # 00-8222-49) (100 µL of cell sample + 100 µL of IC Fixation Buffer) or 1-step Fix/Lyse Solution (Product # 00-5333-57) for up to 3 days in the dark at 4°C with minimal impact on brightness and FRET efficiency/compensation. Some generalizations regarding fluorophore performance after fixation can be made, but clone specific performance should be determined empirically.
Excitation: 633-647 nm; Emission: 780 nm; Laser: Red Laser.
CD16 encodes a receptor that recognizes the Fc portion of immunoglobulin G and is involved in the clearance of immune complexes from the circulation, as well as other functions such as cellular mediated cytotoxicity and enhancement of virus infections. This gene, FCGR3A, shares a high degree of similarity with another nearby gene, FCGR3B, located on chromosome 1. The receptor encoded by this gene is expressed on natural killer (NK) cells as an integral membrane glycoprotein anchored through a transmembrane peptide, while FCGR3B is expressed on polymorphonuclear neutrophils (PMN) where the receptor is anchored through a phosphatidylinositol (PI) linkage. Mutations in this gene have been associated with immunodeficiency 20 and have been linked to susceptibility to recurrent viral infections, susceptibility to systemic lupus erythematosus, and alloimmune neonatal neutropenia. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. Diseases associated with FCGR3A include Immunodeficiency 20 and Herpes Zoster.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
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蛋白别名: CD16-I; CD16-II; CD16a; CD16a antigen; CD16b; CD32 receptor 2; Fc fragment of IgG low affinity IIIa receptor; Fc fragment of IgG, low affinity III, receptor for (CD16); Fc fragment of IgG, low affinity IIIa, receptor (CD16a); Fc fragment of IgG, low affinity IIIb, receptor (CD16b); Fc gamma receptor III-A; Fc gamma receptor IIIa; Fc gamma receptor IIIb; Fc gamma RIIIa; Fc-gamma receptor III-2 (CD 16); Fc-gamma receptor IIIb (CD 16); Fc-gamma receptor IIIb (CD16); Fc-gamma RIII; Fc-gamma RIII-alpha; Fc-gamma RIII-beta; Fc-gamma RIIIa; fc-gamma RIIIb; FCG2; FcgammaRIIIA; FCGR2; FCGR2A; FCGR2B; FCGR2C; FcR-10; FcRII-b; FcRII-c; IgG Fc receptor III; IgG Fc receptor III-1; IgG Fc receptor III-2; IgG Fc receptor III-A; immunoglobulin G Fc receptor III; Low affinity immunoglobulin gamma Fc region receptor III-A; Low affinity immunoglobulin gamma Fc region receptor III-B; neutrophil-specific antigen NA; RP11-5K23.1
基因别名: CD16; CD16A; CD16B; FCG3; FCGR3; FCGR3A; FCGR3B; FCGRIII; FCR-10; FCRIII; FCRIIIA; FCRIIIb; IGFR3; IMD20
UniProt ID: (Rhesus monkey) A3RFZ7, (Human) P08637, (Human) O75015
Entrez Gene ID: (Rhesus monkey) 720006, (Human) 2214, (Human) 2215