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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
Powder: -20°C, 3 years; 4°C, 2 years.In solvent: -80°C, 6 months; -20°C, 1 month.
- 英文名:
Csn-B; Dothiorelone G
- 库存:
货期:1-2天
- 供应商:
MedChemExpress LLC
- CAS号:
321661-62-5
- 规格:
10 mM * 1 mL/1 mg/5 mg/10 mg
| 规格: | 10 mM * 1 mL | 产品价格: | ¥780.0 |
|---|---|---|---|
| 规格: | 1 mg | 产品价格: | ¥438.0 |
| 规格: | 5 mg | 产品价格: | ¥1100.0 |
| 规格: | 10 mg | 产品价格: | ¥1700.0 |
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Cytosporone B
CAS No. : 321661-62-5
MCE 国际站:Cytosporone B
产品活性:Cytosporone B (Csn-B; Dothiorelone G) 是天然存在的核孤儿受体Nur77/NR4A1激动剂,EC50值为0.278 nM。
研究领域:Others
作用靶点:Others
In Vitro: Cytosporone B targets the ligand binding domain of Nur77, which selectively stimulates the transactivational activity of Nur77. Cytosporone B induces luciferase activity in cells that are cotransfected with GAL4- Nur77 or GAL4-LBD. The EC50 of cytosporone B for Nur77 is 0.278 nM. Cytosporone B displays robust pro-apoptotic activity in gastric cancer cells BGC-823. 63.5% of the cells are apoptotic when treated with cytosporone B for 48 h. Cytosporone B shows selective effect on cancerous cells. Cytosporone B inhibits proliferation of human gastric cancer BGC-823 cells and human colon cancer SW620 cells by 470%, but it has a modest effect on human lung cancer H1299 cells and human hepatoma HepG2 cells.
In Vivo: In the hepatocytes of wild-type mice, the transcriptional activity of the reporter is induced five-fold with cytosporone B treatment. In wild-type mice, cytosporone B treatment significantly increases glucose levels from 3.2 to 11.4 mM within the first 30 min, and thereafter blood glucose gradually decreased before reaching the initial level after 300 min.
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文献和实验的发生有关。 拿到这样的结果,已经是一个很好的开始了。 图片来源:文献截图 2、从 mRNA 到 miRNA 寻找靶向关系 从 mRNA 到 miRNA 也是这个研究引入外泌体的重要步骤。作者预测了可能与 FOXO1 靶向的 miRNA,根据软件预测结合文献研究,最终选择了 miR-135b。 发现 miR-135b 在胃癌组织中显著上调,表达与 FOXO1 的 mRNA 水平呈现负相关,说明他们之前可能存在靶向调控关系。 当然,作者在文章中没有一开始去验证这个关系,在后续通过双荧光素酶实验
了来自结肠直肠癌(CRC)患者和健康人血清外泌体中的 miRNA 表达有明显的差异。 作者先通过外泌体 miRNA 测序(4 个 CRC 患者和 2 个健康人)观察外泌体的 miRNA 差异表达,选取了 29 个下调 miRNAs 和 9 个上调 miRNAs 作为候选标志物。 再使用 RT-qPCR(165 个 CRC 患者和 153 个健康人)进一步验证,最后发现与健康人相比,早期 CRC 患者外泌体 miR-99b-5p 和 miR-150-5p 的表达水平显著降低,术后外泌体 miR-99b-5
In vitro transcription reaction
. A- Set up the temperature in hybridization incubator. 62 oC B- Place the dry membrane (up to 4) in a hybridization screw cap tube. Pre-hybrid. Stock solution ml [final concentration] DECP DDW 0.8 Deionized formamide 5 50 % 20X SSPE 2.5 5X 50
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