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- xy90016-RP02
- 2025年07月15日
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- 详细信息
- 文献和实验
- 技术资料
- 保存条件：
常温，避光
- 克隆性：
单克隆
- 抗体名：
CD32a / Fc gamma RIIA / FCGR2A抗体
Antibody Type : Rabbit Polyclonal Antibody ( Antibody Purification Platform )
抗体宿主 : Rabbit IgG
缓冲液 : 0.2 μm filtered solution in PBS, 5% trehalose may be added in some batches. Please read the hardcopy of COA or contact our customer service to confirm the formulation.
制备方法 : Produced in rabbits immunized with purified, recombinant Cynomolgus CD32a / Fc gamma RIIA / FCGR2A (rC CD32a / Fc gamma RIIA / FCGR2A; Catalog#90016-C08H; Met 1-Ile 217). CD32a / Fc gamma RIIA / FCGR2A specific IgG was purified by Cynomolgus CD32a / Fc gamma RIIA / FCGR2A affinity chromatography.
CD32a / Fc gamma RIIA / FCGR2A抗体 Background
Receptors that recognize the Fc portion of IgG (Fcγ Rs) functions in the regulation of immune response and are divided into three classes designated Fcγ RI (CD64), Fcγ RII (CD32), and Fcγ RIII (CD16). Fcγ RI binds IgG with high affinity and functions during early immune responses, whereas Fcγ RII and RIII are low affinity receptors that recognize IgG as aggregates surrounding multivalent antigens during late immune responses. Low affinity immunoglobulin gamma Fc region receptor II-a, also known as IgG Fc receptor II-a, Fc-gamma-RIIa, CD32a and FCGR2A, is a single-pass type I membrane protein which contains twoIg-like C2-type (immunoglobulin-like) domains. CD32a / FCGR2A is expressed on cells of both myeloid and lymphoid lineages as well as on cells of non-hematopoietic origin. Associated with an ITAM (immunoreceptor tyrosine-based activation motif)- bearing adapter subunit, FcRγ, CD32a / FCGR2A delivers an activating signal upon ligand binding, and results in the initiation of inflammatory responses including cytolysis, phagocytosis, degranulation and cytokine production. The responses can be modulated by signals from the coexpressed inhibitory receptors such as FcγRIIB, and the strength of the signal is dependent on the ratio of expression of the activating and inhibitory receptors.
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文献和实验脾细胞与小鼠骨髓瘤细胞（P3-X63/Ag8）融合，融合的细胞既获得了亲代脾细胞分泌特异性抗体的特性，又具有骨髓瘤细胞大量繁殖的能力，成为一种既能分泌特异性抗体又能长命的杂交瘤细胞。该技术为抗体的分子生物学研究提供了全新的手段。极大地促进了免疫学，遗传学，分子生物学的快速发展。 但传统抗体目前也面临诸多问题，如： 每使用一管新抗体都需要进行滴定测试； 多种同型对照，实验设计繁琐； 需要添加Fc阻断试剂； 抗体不佳，阳性细胞群不明显； 抗体作为细胞生物学和生物化学中最重要的试剂之一，科学界每年在这类
Capture and Qualitative Analysis of the Activated Fc Receptor Complex from Live Cells
Marshall, J.G., Booth, J.W., Stambolic, V., Mak, T., Balla, T., Schreiber, A.D., Meyer, T., and Grinstein, S. 2001. Restricted accumulation of phosphatidylinositol 3‐kinase products in a plasmalemmal subdomain during Fc gamma receptor‐mediated
（3000rpm）,20min,充上清，以x ml生理盐水溶解沉淀，再逐滴加饱和硫酸铵x/2ml。 ↓置4℃3h以上，[此时，（NH4）2SO4的饱和度为33%] 重复上述第二步过程1～2次。末次离心后所得沉淀物为γ-球蛋白，以0.02% mol/L pH7.4PBS溶解至x ml装入透析袋。 ↓对PBS充分透析、换液3次，至萘氏 试剂 测透析外液无黄色，即无NH4+为止。
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