Cytosporone B (Synonyms: Csn-B, Dothiorelone G) |
カタログ番号GC10562 |
サイトスポロン B (Csn-B; ドチオレロン G) は、天然に存在する核オーファン受容体 Nur77/NR4A1 アゴニストであり、EC50 は 0.278 nM です。
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Cas No.: 321661-62-5
Sample solution is provided at 25 µL, 10mM.
Cytosporone B (Csn-B; Dothiorelone G) is a naturally occurring nuclear orphan receptor Nur77/NR4A1 agonist with an EC50 of 0.278 nM.
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[1].
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[1].
References:
[1]. Zhan Y, et al. Cytosporone B is an agonist for nuclear orphan receptor Nur77. Nat Chem Biol. 2008 Sep;4(9):548-56.
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