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程序性死亡配体1(Programmed Death-Ligand 1,PD-L1),其基因名为CD274,又称B7-H1,是经典免疫检查点分子,广泛表达于肿瘤细胞及多种免疫相关细胞表面。当其与PD-1结合后,可抑制T细胞活化和细胞因子产生,促进免疫逃逸,因此是肿瘤免疫和免疫调控研究中的核心靶点之一。从疾病领域看,PD-L1相关研究和临床开发目前主要集中在肿瘤免疫治疗,常见方向包括非小细胞肺癌、小细胞肺癌、肝癌、胃癌、膀胱癌、肾癌、Merkel 细胞癌、皮肤鳞癌等。围绕 PD-L1的药物开发已形成较成熟的免疫治疗赛道。
不完全统计全球目前已有800+个PD-L1相关研发项目,主要类型包括单克隆抗体、双/多特异性抗体、ADC、小分子抑制剂以及联合治疗方案;已上市和成熟商业化类别仍以单克隆抗体为主,而双抗/多抗和ADC则是近年的重点扩展方向。更多关于PD-L1作用机制与研究进展:《PD-L1靶向药物类型与全球研发格局》、《PD-1 vs PD-L1:机制差异与临床策略比较》、《PD-1/PD-L1轴:肿瘤免疫检查点核心通路解析》。
缔码生物现可提供四种PD-L1免疫检查点试剂,包括PD-L1重组蛋白、PD-L1流式抗体、PD-L1稳转细胞株及PD-L1参照抗体。其中,PD-L1重组蛋白已覆盖人(Human)、鼠(Mouse)、犬(Canine)、猴(Cynomolgus)等不同种属,并提供完整胞外域( ECD)、不同片段以及无标签、hFc、mFc、His、mFc-His等多种标签形式,可更好地适配不同实验设计与检测体系。此外,多款PD-L1流式抗体已完成ELISA与Flow Cyt验证,适用于细胞表面结合检测、PD-L1表达分析、抗体筛选和免疫检查点相关功能研究。
ECD Proteins
SKU: PME101955B Target: PD-L1 Tag: C-Human Fc Avi tag
Price: 10μg ¥1000.00 ; 50μg ¥3666.00 ; 100 μg ¥5499.00
ECD Proteins
SKU: PME100480B Target: PD-L1 Tag: C- Avi 6×HisTag
Price: 10μg ¥740.00 ; 50μg ¥2713.00 ; 100 μg ¥4069.00
Biosimilar reference antibodies
SKU: BME100288 Target: PD-L1
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100287 Target: PD-L1
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME101706 Target: PD-L1 Tag: No tag
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
Overexpression Stable Cell Line
SKU: CEL100023 Target: PD-L1
Application: FACS Data
Price: Inquiry
Overexpression Stable Cell Line
SKU: CEL100022 Target: PD-L1
Application: FACS Data
Price: Inquiry
ECD Proteins
SKU: PME101592 Target: PD-L1 Tag: C-Human Fc tag
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
ECD Proteins
SKU: PME101591 Target: PD-L1 Tag: C-Human Fc tag
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
Biosimilar reference antibodies
SKU: BME100685B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100680B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100679B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100670B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100609B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100550B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100520B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100461B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100433B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100418B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100404B Target: PD-L1
Application: N/A
Price:100μg ¥1699.00