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- IHC0550R
- 2025年10月15日
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50T
| 产品编号 | IHC0550R |
| 英文名称 | Rat CD16 Ready-To-Use IHC Kit |
| 中文名称 | 大鼠FC段γ受体3/免疫球蛋白G Fc段受体III即用型免疫组化试剂盒 |
| 英文别名 | CD16; CD16A; CD16B; FCG3; FCGR3; FCGR3A; FCGR3B; FCGRIII; FCR-10; FCRIII; FCRIIIA; FCRIIIb; IGFR3; IMD20 |
| 产品应用 | IHC-P Not yet tested in other applications. |
| 交叉反应 | Rat |
| 亚基 | Forms a heterooligomeric complex with ITAM-containing signaling subunits, either a homodimer of CD247, a homodimer of FCER1G or a heterodimer of CD247 and FCER1G (PubMed:1825220, PubMed:2532305, PubMed:28652325). Interacts (via transmembrane domain) with signaling subunits; this interaction is a prerequisite for receptor complex expression on the cell surface and intracellular signal transduction (PubMed:1825220, PubMed:2532305, PubMed:28652325). Binds the Fc region of antigen-complexed IgG with a preference for IgG1 and IgG3 isotypes (PubMed:11711607, PubMed:21768335, PubMed:22023369, PubMed:8609432, PubMed:9242542). Interacts with CD2; this interaction is involved in NK cell activation and cytotoxicity (PubMed:23006327). Interacts with S100A4; this interaction inhibits PKC-dependent phosphorylation of FCGR3A (PubMed:23024279). |
| 亚细胞定位 | #Cell membrane #Membrane #Secreted |
| 组织特异性 | Expressed in natural killer cells (at protein level) (PubMed:2526846). Expressed in a subset of circulating monocytes (at protein level) (PubMed:27670158). |
| 翻译后修饰 | Glycosylated. Contains high mannose- and complex-type oligosaccharides. Glycosylation at Asn-180 is mandatory for high affinity binding to the Fc and for discrimination between fucosylated and afucosylated IgG glycoforms. Undergoes rapid ectodomain shedding upon NK cell stimulation. The soluble form is produced by a proteolytic cleavage mediated by ADAM17. Repeated stimulation causes receptor shedding, a mechanism that allows for increased NK cell motility and detachment from opsonized target cells while avoiding activation-induced NK cell apoptosis. Phosphorylated at RSSTR motif by PKC. The relevant physiological PKCs might be PRKCI, PRKCG, PRKCE, PRKCH and PRKCQ. |
| 功能 | Receptor for the invariable Fc fragment of immunoglobulin gamma (IgG). Optimally activated upon binding of clustered antigen-IgG complexes displayed on cell surfaces, triggers lysis of antibody-coated cells, a process known as antibody-dependent cellular cytotoxicity (ADCC). Does not bind free monomeric IgG, thus avoiding inappropriate effector cell activation in the absence of antigenic trigger (PubMed:11711607, PubMed:21768335, PubMed:22023369, PubMed:24412922, PubMed:25786175, PubMed:25816339, PubMed:28652325, PubMed:8609432, PubMed:9242542). Mediates IgG effector functions on natural killer (NK) cells. Binds antigen-IgG complexes generated upon infection and triggers NK cell-dependent cytokine production and degranulation to limit viral load and propagation. Involved in the generation of memory-like adaptive NK cells capable to produce high amounts of IFNG and to efficiently eliminate virus-infected cells via ADCC (PubMed:24412922, PubMed:25786175). Regulates NK cell survival and proliferation, in particular by preventing NK cell progenitor apoptosis (PubMed:29967280, PubMed:9916693). Fc-binding subunit that associates with CD247 and/or FCER1G adapters to form functional signaling complexes. Following the engagement of antigen-IgG complexes, triggers phosphorylation of immunoreceptor tyrosine-based activation motif (ITAM)-containing adapters with subsequent activation of phosphatidylinositol 3-kinase signaling and sustained elevation of intracellular calcium that ultimately drive NK cell activation. The ITAM-dependent signaling coupled to receptor phosphorylation by PKC mediates robust intracellular calcium flux that leads to production of pro-inflammatory cytokines, whereas in the absence of receptor phosphorylation it mainly activates phosphatidylinositol 3-kinase signaling leading to cell degranulation (PubMed:1825220, PubMed:23024279, PubMed:2532305). Costimulates NK cells and trigger lysis of target cells independently of IgG binding (PubMed:10318937, PubMed:23006327). Mediates the antitumor activities of therapeutic antibodies. Upon ligation on monocytes triggers TNFA-dependent ADCC of IgG-coated tumor cells (PubMed:27670158). Mediates enhanced ADCC in response to afucosylated IgGs (PubMed:34485821). (Microbial infection) Involved in Dengue virus pathogenesis via antibody-dependent enhancement (ADE) mechanism. Secondary infection with Dengue virus triggers elevated levels of afucosylated non-neutralizing IgG1s with reactivity to viral envelope/E protein. Viral antigen-IgG1 complexes bind with high affinity to FCGR3A, facilitating virus entry in myeloid cells and subsequent viral replication. |
| 保存条件 | Please store components at the temperatures indicated on the individual tube labels. The kit is stable for 6 months from the date of receipt. |
| 背景资料 | CD16, known as Fc gamma receptor III, exists in two distinct isoforms: Fc gamma RIIIA and Fc gamma RIIIB. These isoforms are encoded by the genes FCGR3A and FCGR3B, respectively, which are located on chromosome 1 and share a high degree of similarity. Fc gamma RIIIA is expressed as a polypeptide-anchored form on monocytes, macrophages, and lymphocytes such as natural killer (NK) cells, but not on T or B cells. This receptor recognizes the Fc portion of immunoglobulin G (IgG) and is involved in the clearance of immune complexes from circulation. Upon binding IgG, Fc gamma RIIIA activates signal transduction pathways that result in antibody-dependent cell-mediated cytotoxicity (ADCC), phagocytosis, cytokine release, and antigen presentation. Fc gamma RIIIB is expressed on polymorphonuclear neutrophils (PMN) as a glycosylphosphatidylinositol (GPI)-anchored form. It plays a role in similar immune functions, including cellular-mediated cytotoxicity and enhancement of virus infections. Mutations in the FCGR3A gene have been associated with Immunodeficiency 20 and linked to susceptibility to recurrent viral infections, systemic lupus erythematosus, and alloimmune neonatal neutropenia. Alternatively spliced transcript variants encoding different isoforms have been identified for this gene. Diseases associated with FCGR3A include Immunodeficiency 20 and Herpes Zoster. |
| 应用 | 推荐稀释比例 |
Immunohistochemical analysis of paraffin embedded Rat liver tissue slide using IHC0550R (Rat CD16 Kit).
Immunohistochemical analysis of paraffin embedded Rat spleen tissue slide using IHC0550R (Rat CD16 Kit).
Immunohistochemical analysis of paraffin embedded Rat thymus tissue slide using IHC0550R (Rat CD16 Kit).
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Rat CD16 Ready-To-Use IHC Kit(IHC0550R)-50T
￥3200
