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聚合酶是负责合成核酸的酶。DNA聚合酶β,也被称为DNA聚合酶β亚基(POLB),属于DNA聚合酶X家族,在碱基切除修复(BER)中发挥作用。其活性对DNA复制和耐药性至关重要。线粒体DNA尤其容易受到氧化应激的影响,而DNA聚合酶β是维持其稳定性的关键。DNA聚合酶β的过表达与癌症相关,而该酶水平过低则会导致对烷化剂的超敏性和细胞凋亡。抑制DNA合成可作为治疗细胞分裂或能量需求失控类疾病的手段,例如癌症。吉西他滨等抑制剂已被证实对血液肿瘤和实体瘤(包括乳腺癌和卵巢癌)的治疗有效,尤其是与顺铂联用时。顺铂的使用会引发严重的副作用,因此使用DNA抑制剂还能通过减少铂类药物的给药剂量,为患者的治疗护理带来益处。对DNA聚合酶抑制剂的进一步研究将为癌症患者带来新的治疗选择。
DNA聚合酶β检测试剂盒是一种荧光检测试剂盒,旨在通过荧光核酸染料GroovyGreen™对双链DNA(dsDNA)产物进行定量分析,从而测定DNA聚合酶β的活性,适用于筛选和分析相关应用。该试剂盒采用便捷的96孔板格式,配备的重组聚合酶β酶、DR底物3、dNTP混合物和缓冲液足够完成100次酶促反应。
DNA聚合酶β利用可用的核苷酸合成与模板链互补的DNA链,形成双链DNA分子(dsDNA)。生成的双链DNA数量与聚合酶活性直接相关,可通过加入能区分双链DNA与单链DNA(ssDNA)及游离核苷酸的荧光双链DNA结合染料进行定量。由于该染料仅在与目标双链DNA结合时才会发射荧光,因此在聚合酶抑制剂存在的情况下,荧光读数较低。
Assay Kit Format
Fluorogenic
Species
Human
Materials Required But Not Supplied
Fluorescence Plate reader capable of measurement of λex502/λem530 nm.
Target(s)
DNA PolB
UniProt #
P06746
Stability
This assay kit contains DNA and 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 molecules that inhibit polymerization activity of DNA Polymerase β in drug discovery and high throughput screening (HTS) applications.
- Determine compound IC50.
Shipping Temperature
-80°C
Notes
Contraindications
- The final concentration of DMSO in the assay should not exceed 1%.
- 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.
- The presence of strong acids or bases, ionic detergents and high salt should be avoided.
Warnings
Avoid freeze/thaw cycles
Disclaimers and Limitations
BPS Bioscience assay kits are validated using the listed components according to our specific protocol. Any deviations to kit components or protocols, such as using different proteins, cell/tissue lysates, or buffers (including using the same component from other commercial sources) will void any warranties on the performance of the assay kit and is not recommended.
Scientific CategoryDNA Replication and Repair
Regulatory Status
Research Use Only
关键词:- DNA聚合酶β检测试剂盒
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产品组分
内容 型号
规格 储存温度
DNA聚合酶β检测试剂盒
82099-01 96次
-20°C DNA聚合酶β检测试剂盒 82099-02 384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
Berdis A., 2017, Front. Mol. Biosci. 4: https://doi.org/10.3389/fmolb.2017.00078
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