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诱骗受体3(DcR3)是肿瘤坏死因子受体超家族蛋白(TNFRSF)的一种可溶性受体,可与其相应配体结合,这些配体包括TL1A(肿瘤坏死因子样配体1A)、FasL以及LIGHT(也称为肿瘤坏死因子超家族成员14,TNFSF14)。DcR3已被认定为一种重要的抗凋亡因子,在炎症性疾病和肿瘤性疾病中发挥关键作用。多项恶性肿瘤患者的研究均显示,其肿瘤组织中DcR3的表达水平升高,血清中可溶性DcR3蛋白含量也随之增加。TL1A又称TNFSF15,属于肿瘤坏死因子家族成员,可在单核细胞、巨噬细胞、树突状细胞、T细胞等不同免疫细胞以及非免疫细胞中表达。TL1A可竞争性结合DcR3,为下游信号通路提供刺激信号,进而调控效应细胞的增殖、活化、凋亡及趋化因子生成。抑制DcR3与TL1A的相互作用具有显著的治疗潜力。
TL1A:DcR3抑制剂筛选TR-FRET检测试剂盒专为利用时间分辨荧光共振能量转移(TR-FRET)技术筛选和分析 TL1A(肿瘤坏死因子样配体 1A)与 DcR3(诱骗受体 3)相互作用的中和抗体或抑制剂而设计。该试剂盒无需耗时的洗涤步骤,采用便捷的 384 孔板形式,配备纯化的生物素化 DcR3(30-300 位氨基酸)、铕标记(Eu)TL1A(72 位氨基酸至末端)、染料标记受体以及可进行 400 次反应的检测缓冲液。
将含有铕标记的TL1A、染料标记的链霉亲和素受体、生物素化的DcR3以及一种抑制剂的样品孵育30分钟。 铕标记的TL1A与生物素化的DcR3结合,后者会结合染料标记的链霉亲和素受体。当TL1A与DcR3发生相互作用时产生邻近效应,从而生成时间分辨荧光共振能量转移(TR-FRET)信号。使用可进行TR-FRET检测的荧光读数仪测定荧光强度。所产生的信号与TL1A和DcR3的结合活性成正比。
Assay Kit Format
TR-FRET
Species
Human
Supplied As
The TL1A: DcR3 Inhibitor Screening TR-FRET Assay Kit is designed for the screening and profiling of neutralizing antibodies or inhibitors of the interaction between TL1A (TNF-like ligand 1A) and DcR3 (Decoy Receptor 3) using TR-FRET (Time-Resolved Fluorescence Resonance Energy Transfer).
Materials Required But Not Supplied
- Fluorescent microplate reader capable of measuring Time Resolved Fluorescence Resonance Energy Transfer (TR-FRET)
- Adjustable micropipettor and sterile filter tips
- Rotating or rocker platform
Target(s)
TL1A
UniProt #
O95150
Stability
This assay kit will perform optimally for up to 6 months from date of receipt when the materials are stored as directed.
Instructions for Use
See assay kit data sheet for detailed protocol.
Applications
Screen or titrate biologics or small molecule inhibitors of the interaction between TL1A and DcR3 for drug discovery and high-throughput screening (HTS) applications.
Shipping Temperature
-80°C
Contraindications
- This kit is compatible with up to 1% final DMSO concentration.
- Compounds that are fluorescent may interfere with the results, depending on their spectral excitation and emission properties.
- It is recommended that the compound alone is tested to determine any potential interference of the compound on the assay results.
Warnings
Avoid freeze/thaw cycles.
Scientific Category
Immunotherapy, Cancer Therapy Target (CTT)
Regulatory Status
Research Use Only
关键词:- TL1A:DcR3抑制剂筛选TR-FRET检测试剂盒
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产品组分
内容 型号
规格 储存温度
TL1A:DcR3抑制剂筛选TR-FRET检测试剂盒
84101-01 384次
-20°C TL1A:DcR3抑制剂筛选TR-FRET检测试剂盒 84101-02 768次
-20°C 操作手册
1 1 常温
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注意事项
保存建议 厂家推荐蓝冰运输。当您收到产品后,按照说明书建议保存于-20°C。 -
FAQ
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References
Xu W. D., et al., 2022 Front. Immunol. 13: 1-10.
Zwolak A., et al., 2022 Sci. Rep. 12(1): 20538.
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