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脊髓灰质炎病毒受体相关免疫球蛋白结构域(Poliovirus Receptor-Related Immunoglobulin Domain,PVRIG),又称为CD112R,是一种免疫检查点分子,属于免疫抑制受体家族,广泛表达在T细胞和肿瘤微环境中的免疫细胞上。PVRIG通过与其配体PVRL2/Nectin-2(CD112)结合,调控免疫反应的抑制作用,从而在肿瘤免疫逃逸过程中发挥重要作用。该通路与TIGIT–CD155/CD112、CD226-CD155/CD112 等受体-配体网络彼此交织,共同调控T/NK细胞活化和肿瘤免疫状态。由于PVRIG与CD226竞争CD112,并在部分肿瘤微环境中与PD-1、TIGIT等抑制性受体共同表达,因此被视为下一代免疫检查点研究的重要组成部分。针对PVRIG的抗体开发通常重点评价CD112阻断活性、细胞表面结合、T/NK细胞功能恢复以及与其他免疫检查点组合后的协同效应。
为助力PVRIG/CD112R靶向疗法开发,缔码生物可提供重组人PVRIG完整ECD及53-150aa片段蛋白,可用于ELISA、PVRIG-CD112相互作用、抗体筛选和表位定位;同时提供不同标签重组人PVRIG Synthetic Nanodisc全长膜蛋白,可用于完整膜环境下的结合和膜近端表位研究。Flow Cyt/ELISA验证嵌合单抗、Biosimilar参照抗体及PE/生物素化形式可用于细胞表面PVRIG检测、候选抗体比较和方法开发,RAJI DiSliceX™切片可用于IHC。缔码还已建立PVRIG单B细胞种子库并储备候选先导抗体,可进一步用于阻断功能及抗体工程评价。
Full Length Transmembrane Proteins
Biotinylated Human PVRIG full length protein-synthetic nanodisc
SKU: FLP100041B Target: PVRIG Tag: C-Flag&Avi Tag
Expression Host: HEK293
Price:10 μg ¥7000.00 ;50 μg ¥33000.00 ; 100 μg ¥60500.00
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: PME101555 Target: PVRIG Tag: C-Human Fc tag
Expression Host: HEK293
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Monoclonal Antibodies
SKU: DMC101091 Target: PVRIG
Application: ELISA, Flow Cyt
Price: 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Full Length Transmembrane Proteins
SKU: FLP100041 Target: PVRIG Tag: C-Flag Tag
Expression Host: HEK293
Price: 10 μg ¥6300.00 ;50 μg ¥30000.00 ; 100 μg ¥55000.00
ECD Proteins
SKU: PME100090 Target: PVRIG Tag: C-Human Fc Tag
Expression Host: HEK293
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Monoclonal Antibodies
SKU: DMC101091P Target: PVRIG
Application: Flow Cyt
Price: 100 test ¥3880.00
Full Length Transmembrane Proteins
SKU: FLP120041 Target: PVRIG Tag: C-Flag&Strep Tag
Expression Host: HEK293
Price: 10 μg ¥5670.00 ;50 μg ¥27000.00 ; 100 μg ¥49500.00
Biosimilar reference antibodies
SKU: BME100642B Target: PVRIG
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100642 Target: PVRIG
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Monoclonal Antibodies
SKU: DMC101091B Target: PVRIG
Application: ELISA, Flow Cyt
Price: 100 μg ¥6080.00 ; 500 μg ¥19880.00