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CD19,又称为Leu-12,是一种广泛表达于B细胞表面的跨膜糖蛋白,作为B细胞发育和功能的关键调控因子,CD19在多种B细胞源性恶性肿瘤中高度表达,是理想的靶向治疗目标。其在B细胞的激活、增殖和分化过程中发挥重要作用,是目前B细胞相关疾病免疫治疗的核心靶点之一。针对CD19的药物研发主要集中在单克隆抗体、双特异性抗体和CAR-T细胞疗法。
在单克隆抗体方面,blinatumomab作为双特异性T细胞接合抗体,可同时结合CD19与T细胞CD3,促进T细胞识别并杀伤肿瘤细胞;Tafasitamab和loncastuximab tesirine等抗CD19抗体也在临床中显示出良好的疗效。CAR-T疗法是近年来CD19靶向治疗的核心进展。通过基因工程技术,将患者自身T细胞改造为表达CD19靶向受体的CAR-T细胞,可高效识别并杀伤B细胞恶性肿瘤细胞,同时也在自身免疫性疾病中展现潜力。此外,新型纳米颗粒递送系统正在开发中,可直接在体内递送CAR基因,简化CAR-T生产流程,提高可及性。总体来看,CD19靶向疗法在B细胞相关疾病中显示出强大的治疗潜力,未来研发方向将聚焦于提升疗效、降低副作用及提高治疗便捷性,为患者提供更多安全、高效的治疗方案。
为助力CD19靶向疗法开发,缔码生物现可提供CD19靶点全系列产品与服务。产品包括CD19活性蛋白、CD19全长膜蛋白、CD19 biosimilar抗体和CD19流式抗体;服务包括多种属蛋白抗体定制服务、抗体人源化和亲和力成熟服务。此外,为加速CD19生物疗法的开发,缔码还制备了CD19靶点单B细胞种子库,最快28天可获得先导抗体分子;同时,我们目前已筛选出多个CD19先导分子,客户第二天可以拿到分子进行功能评估验证。
ECD Proteins
SKU: PME-C100089 Target: CD19
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
ECD Proteins
SKU: PME101790 Target: CD19
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Full Length Transmembrane Proteins
Biotinylated Human CD19 full length protein-synthetic nanodisc
SKU: FLP100499B Target: CD19
Price: 10 μg ¥6930.00 ; 50 μg ¥33000.00 ; 100 μg ¥60500.00
Overexpression Stable Cell Line
SKU: CEL100102 Target: CD19
Application: FACS Data
Price: Inquiry
Biosimilar reference antibodies
SKU: BME100683 Target: CD19
Application: ELISA
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
DiSliceX
SKU: SLI100013 Target: B7H2, B7H6, BAFF-R, CD10, CD19, CD205, CD21, CD22, CD23, CD27, CD40, CD48, CD70, CD74, CD79B, CXCR5, ICAM-1, NTB-A, PVRIG
Application: IHC
Price: 2 slides ¥899.00
ECD Proteins
SKU: PME101558 Target: CD19
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
ECD Proteins
SKU: PME101557 Target: CD19
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Monoclonal Antibodies
SKU: DMC100804 Target: CD19
Application: WB
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Monoclonal Antibodies
SKU: DMC101150 Target: CD19
Application: Flow Cyt
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Biosimilar reference antibodies
SKU: BME100206 Target: CD19
Application: Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME100781 Target: CD19
Price: 10μg ¥782.00 ; 50μg ¥2866.00 ; 100 μg ¥4299.00
Biosimilar reference antibodies
SKU: BME100094 Target: CD19
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME100038 Target: CD19
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Biosimilar reference antibodies
SKU: BME100051 Target: CD19
Application: ELISA; Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100683P Target: CD19
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100206P Target: CD19
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100094P Target: CD19
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100051P Target: CD19
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100683B Target: CD19
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00