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BTLA(B and T Lymphocyte Attenuator),又称CD272,是免疫球蛋白超家族中的抑制性免疫检查点受体,主要表达于T细胞、B细胞及多种其他免疫细胞。与PD-1和CTLA-4不同,BTLA的主要配体HVEM属于TNF受体超家族,两者共同构成具有双向调节特征的HVEM-BTLA免疫调控轴。BTLA胞内区含有ITIM和ITSM等抑制性基序,与HVEM结合后可募集SHP-1/SHP-2等分子,抑制TCR或BCR相关信号,从而参与维持免疫稳态、限制过度炎症和调节淋巴细胞活化。在肿瘤和慢性免疫刺激环境中,BTLA信号也可能参与免疫细胞功能抑制,因此成为新型免疫检查点抗体、双/多特异性免疫调节分子以及自身免疫和炎症疾病研究中的重要靶点。
缔码生物提供人源和鼠源BTLA ECD重组蛋白,包括His、hFc、mFc及复合标签等不同形式,可用于ELISA、HVEM–BTLA相互作用、抗体筛选、亲和力和跨种属评价。经ELISA/Flow Cyt验证的BTLA兔单抗及多种Biosimilar参照抗体可用于候选抗体比较和细胞表面检测,同时提供PE与生物素标记版本以满足直接流式和捕获实验需求。BTLA过表达K562稳转细胞株则可用于FACS、Cell Binding、阻断抗体筛选及后续细胞功能评价,为BTLA/HVEM免疫检查点研究提供蛋白、抗体和细胞层面的配套工具。
Overexpression Stable Cell Line
SKU: CEL100091 Target: BTLA
Application: FACS Data
Price: Inquiry
Monoclonal Antibodies
SKU: DME100182 Target: BTLA
Application: ELISA; Flow Cyt
Price: 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
ECD Proteins
SKU: PME100526 Target: BTLA Tag: C-6×His Tag
Expression Host: HEK293
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
ECD Proteins
SKU: PME100524 Target: BTLA Tag: C-6×His Tag
Expression Host: HEK293
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
ECD Proteins
SKU: PME100523 Target: BTLA Tag: C-Human Fc Tag
Expression Host: HEK293
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
ECD Proteins
SKU: PME100525 Target: BTLA Tag: C-Mouse Fc Tag
Expression Host: HEK293
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
ECD Proteins
SKU: PME100048 Target: BTLA Tag: C-Mouse Fc and 6×His Tag
Expression Host: HEK293
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
Biosimilar reference antibodies
SKU: BME100054 Target: BTLA
Application: ELISA; Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100054P Target: BTLA
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100734B Target: BTLA
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100722B Target: BTLA
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100695B Target: BTLA
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100734 Target: BTLA
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100722 Target: BTLA
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100695 Target: BTLA
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100054B Target: BTLA
Application: ELISA; Flow Cyt
Price:100μg ¥1699.00
Monoclonal Antibodies
SKU: DME100182B Target: BTLA
Application: ELISA; Flow Cyt
Price: 100 μg ¥6080.00 ; 500 μg ¥19880.00