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诱导型T细胞共刺激分子(Inducible T-cell Costimulator,ICOS),又称CD278、AILIM,是CD28受体家族中的重要共刺激受体。该家族还包括CD28、CTLA-4、PD-1等调节T细胞活化和免疫耐受的重要分子。ICOS在静息初始T细胞中表达较低,而在T细胞活化后显著上调,其天然配体为B7-H2/ICOSL/CD275。ICOS与配体结合后主要通过磷脂酰肌醇3激酶相关信号促进T细胞增殖、生存和细胞因子产生,尤其参与滤泡辅助性T细胞分化、生发中心形成、B细胞帮助和抗体应答,同时也影响调节性T细胞及II型免疫。ICOS–B7-H2与CD28–B7、CTLA-4-B7等共同构成 T 细胞共刺激和共抑制网络,在肿瘤免疫、自身免疫和炎症性疾病中均具有重要意义。
缔码生物提供人ICOS胞外结构域重组蛋白,可用于ICOS–B7-H2相互作用、酶联免疫吸附实验、结合动力学分析及抗体筛选。页面提供嵌合单克隆抗体和多种参照抗体,其中部分具有流式细胞术验证,并有荧光和生物素标记版本。人ICOS过表达K562稳转细胞株可用于流式分析、细胞结合和激动型或阻断型候选分子筛选。
Monoclonal Antibodies
SKU: DMC101532 Target: ICOS
Application: ELISA
price: 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Overexpression Stable Cell Line
SKU: CEL100080 Target: ICOS
Application: FACS Data
Price: Inquiry
Biosimilar reference antibodies
SKU: BME100012 Target: ICOS
Application: ELISA; Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME100484 Target: ICOS Tag: C-Human Fc Tag
Expression Host: HEK293
Price: 10μg ¥854.00 ; 50μg ¥3133.00 ; 100 μg ¥4699.00
ECD Proteins
SKU: PME100026 Target: ICOS Tag: C-Mouse Fc and 6×His Tag
Expression Host: HEK293
Price: 10μg ¥854.00 ; 50μg ¥3133.00 ; 100 μg ¥4699.00
Biosimilar reference antibodies
SKU: BME100012P Target: ICOS
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100508B Target: ICOS
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100410B Target: ICOS
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100508 Target: ICOS
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100410 Target: ICOS
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100012B Target: ICOS
Application: ELISA; Flow Cyt
Price:100μg ¥1699.00