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FCGR2A

FCGR2A蛋白全稱為免疫球蛋白G Fc段受體IIa,又稱CD32a,是白細(xì)胞表面一類關(guān)鍵受體,負(fù)責(zé)識別抗體標(biāo)記的病原體或異常細(xì)胞。該蛋白主要分布于巨噬細(xì)胞、中性粒細(xì)胞等免疫細(xì)胞,通過結(jié)合IgG抗體的Fc段觸發(fā)吞噬清除或炎癥介質(zhì)釋放,在抗感染和自身免疫平衡中扮演雙重角色。其遺傳多態(tài)性與系統(tǒng)性紅斑狼瘡、類風(fēng)濕關(guān)節(jié)炎等自身免疫疾病易感性顯著相關(guān),某些變異體還影響患者對肺炎鏈球菌等病原體的清除能力。
近年來針對FCGR2A的治療策略呈現(xiàn)兩極分化:單抗藥物如替雷利珠單抗通過增強(qiáng)受體激活強(qiáng)化腫瘤免疫應(yīng)答,而Fc工程化改造的抗體片段(如VIB9600)則選擇性抑制受體功能以緩解自身免疫反應(yīng)。2023年進(jìn)入Ⅱ期臨床試驗(yàn)的拮抗劑CPI-006顯示出調(diào)控新冠重癥患者細(xì)胞因子風(fēng)暴的潛力。該受體還被用于設(shè)計(jì)雙特異性抗體支架,旨在提高CAR-T細(xì)胞對實(shí)體瘤的識別效率,相關(guān)研究尚處于臨床前階段。

熱銷產(chǎn)品

Recombinant Human Low affinity immunoglobulin gamma Fc region receptor II-a (FCGR2A), partial (CSB-EP008540HU1)

驗(yàn)證數(shù)據(jù)

CSB-EP008540HU1

(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

FCGR2A Recombinant Monoclonal Antibody (CSB-RA163349A0HU)

驗(yàn)證數(shù)據(jù)

CSB-RA163349A0HU

Western Blot
Positive WB detected in: THP-1 whole cell lysate
All lanes: CD32 antibody at 1:1000
Secondary
Goat polyclonal to rabbit IgG at 1/50000 dilution
Predicted band size: 35, 36 kDa
Observed band size: 45 kDa

FCGR2A Antibodies

FCGR2A for Homo sapiens (Human)

FCGR2A Proteins

FCGR2A Proteins for Homo sapiens (Human)

FCGR2A Proteins for Pan troglodytes (Chimpanzee)