- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
4℃保存
- 保质期:
6个月
- 英文名:
EpiQuik Histone Demethylase LSD1 Inhibitor Screening Assay Kit
- 库存:
1
- 供应商:
上海信裕
- 组蛋白去甲基酶LSD1抑制分析试剂盒详细信息:
-
Product Overview
The EpiQuik™ Histone Demethylase LSD1 Inhibitor Screening Assay Kit is a convenient set of tools that allows the experimenter to to measure inhibition of LSD1. The kit is ready-to-use and provides all the essential components needed for screening LSD1 inhibitors which are directly interact with LSD1 or blocking the binding of LSD1 to its substrate.
WHY CHOOSE THE EPIQUIK™ HISTONE DEMETHYLASE LSD1 INHIBITOR SCREENING ASSAY KIT?
- Fast procedure, which can be finished within 1 hour.
- Innovative fluorescent assay without need for radioactivity, extraction, and chromatography.
- Strip microplate format makes the assay flexible: manual or high throughput analysis.
- Simple, reliable, and consistent assay conditions.
组蛋白去甲基酶LSD1抑制分析试剂盒Principle & Procedure
The EpiQuik™ Histone Demethylase LSD1 Inhibitor Screening Assay Kit is designed for screening LSD1 demetylase inhibitors. In the assay with this kit, the unique di-methylated histone H3-K4 substrate is incubated with LSD1 in the strip wells. Active LSD1binds to and demethylate histone H3-K4 substrate, producing hydrogen peroxide which reacts with fluorogen 10-Acetyl-3,7-dihydroxy Phenoxazine and produces the highly fluorescent oxidation products. The intensity of fluorescence from oxidation products is proportional to LSD1 enzyme activity. Therefore, as LSD1 activity decreases by inhibition, the fluorescent signal decreases.
SCHEMATIC PROCEDURE: 
Inhibition of LSD1 by tranylcypromine (TCP)
LSD1 concentration: 500 ng/well组蛋白去甲基酶LSD1抑制分析试剂盒Product Components
HF1 (LSD1 assay buffer)
HF2 (LSD1substrate, 0.3 mM)*
HF3 (Active LSD1, 0.5 mg/ml)
HF4 (LSD1 inhibitor, 1 mM)
HF5 (fluoro-developer)*
HF6 (fluoro enhancer)*
HF7 (fluoro-dilution)
8 well assay strip (with frame)
User guide
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* For maximum recovery of the products, centrifuge the original vial after thawing prior to opening the cap.组蛋白去甲基酶LSD1抑制分析试剂盒User Guide & MSDS
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文献和实验化,不同的甲基化位点产生不同的作用机理,组蛋白 H3K9 的甲基化与异染色质形成、基因沉默有关;组蛋白 H3K4 的甲基化与基因转录激活有关;组蛋白 H3K36 的甲基化与 RNAPⅡ有一定的关系。 有报道组蛋白甲基化的可逆性,并发现组蛋白去甲基酶:LSD1 和含有 Jmjc 域的组蛋白去甲基酶。这些去甲基酶可使不同程度甲基化的组蛋白 H3K4、K9、K36 去甲基化,同时与基因转录存在联系。 3.组蛋白磷酸化 组蛋白磷酸化在有丝分裂、细胞死亡、DNA 损伤修复、DNA 复制和重组过程中发挥着直接
断骨难愈合?中科院邹卫国等 Sci Adv 报道其中表观遗传学调控关键分子
骨发育不良、无肱骨三角肌隆起等等表型(图 2)。以上结果表明 LSD1 在骨骼修复和骨骼发育过程中调控 SOX9 的表达水平。3. LSD1 通过抑制 ALDH1A2 抑制维甲酸(RA)信号传导已有研究表明,LSD1 对其 H3K4me1 / 2 脱甲基酶活性起转录抑制作用,对其 H3K9 脱甲基酶活性起转录激活作用。由于 LSD1 的缺失不会改变 Sox9 启动子区域的 H3K9 甲基化水平,因此作者猜测 LSD1 可能通过其 H3K4me1 / 2 脱甲基酶活性来抑制调控 Sox9 表达的信号
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