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C-C趋化因子受体8(C-C chemokine receptor type 8,CCR8),又称为CDw198、CKRL1、CMKBR8或CMKBRL2,是一种G蛋白偶联受体(GPCR),主要表达于免疫系统中的调节性T细胞(Treg)及部分Th2细胞表面,其天然配体为CCL1。CCR8在维持免疫稳态及炎症反应中具有重要作用。近年来,大量研究发现CCR8在肿瘤微环境(TME)中,尤其是实体瘤的免疫抑制性Treg细胞中高表达,而在外周组织和循环血液中表达极低,使其成为选择性清除肿瘤浸润Treg、解除肿瘤免疫抑制的重要靶点。与传统的CTLA-4或PD-1通路不同,CCR8靶向治疗有望实现对免疫抑制微环境的“精确拆解”,同时避免系统性免疫毒性。
在药物研发方面,CCR8靶点的主要方向包括单克隆抗体、双特异性抗体及抗体偶联药物(ADC)等。CCR8拮抗或清除型抗体可通过Fc介导的ADCC作用选择性耗竭肿瘤浸润Treg,从而激活效应T细胞的抗肿瘤免疫反应。目前,多个药企已在该领域布局。例如:
此外,部分研究团队正在尝试CCR8与PD-1或CTLA-4的双特异性抗体,以期兼顾免疫激活与特异性Treg清除。总体来看,CCR8作为下一代肿瘤免疫治疗的潜力靶点,正逐步从探索阶段走向临床验证。其“肿瘤Treg选择性清除”机制为免疫疗法提供了新的突破口,有望成为继PD-1/PD-L1之后的重要免疫调节靶点之一。更多关于CCR8靶向药物研究进展>>
缔码生物现可提供一系列CCR8/CDw198靶点的现货产品,产品包括CCR8重组蛋白(多标签、多种属、多表位CCR8胞外域蛋白)、CCR8全长膜蛋白(CCR8 nanodisc和CCR8 MNP),CCR8流式抗体,生物素/PE标记CCR8抗体及biosimilar参照抗体。此外,我们已经建立了CCR8靶点的B细胞种子库,可快速在20天内筛选出客户所需的先导抗体分子。同时,我们目前已筛选出多个CCR8先导分子,客户第二天可以拿到分子进行功能评估验证。如需了解更多详情,欢迎垂询。
Full Length Transmembrane Proteins
Biotinylated Human CCR8 full length protein-synthetic nanodisc
SKU: FLP100037B Target: CCR8
Price: 10 μg ¥6930.00 ; 50 μg ¥33000.00 ; 100 μg ¥60500.00
Full Length Transmembrane Proteins
SKU: FLP120037 Target: CCR8
Price: 10 μg ¥5670.00 ;50 μg ¥27000.00 ; 100 μg ¥49500.00
Full Length Transmembrane Proteins
SKU: FLP100037 Target: CCR8
Price: 10 μg ¥6300.00 ;50 μg ¥30000.00 ; 100 μg ¥55000.00
Full Length Transmembrane Proteins
SKU: FLP100001 Target: CCR8
Price: 50 μg ¥8000.00 ; 100 μg ¥10800.00
Monoclonal Antibodies
SKU: DME100196 Target: CCR8
Application: ELISA; Flow Cyt
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Monoclonal Antibodies
SKU: DME100180 Target: CCR8
Application: ELISA; Flow Cyt
Price: 10μg ¥690.00 ; 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Biosimilar reference antibodies
SKU: BME100115 Target: CCR8
Application: ELISA; Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME-M100034 Target: CCR8
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
ECD Proteins
SKU: PME-C100006 Target: CCR8
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
ECD Proteins
SKU: PME101091 Target: CCR8
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
ECD Proteins
SKU: PME101103 Target: CCR8
Price: 10μg ¥909.00 ; 50μg ¥3333.00 ; 100 μg ¥4999.00
Biosimilar reference antibodies
SKU: BME100063 Target: CCR8
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100115P Target: CCR8
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100063P Target: CCR8
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100546B Target: CCR8
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100536B Target: CCR8
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100473B Target: CCR8
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100445B Target: CCR8
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100421B Target: CCR8
Application: N/A
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100546 Target: CCR8
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00