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Terrein (Synonyms: 土曲霉酮)
Terrein 是一种黑色素生成抑制剂。Terrein 诱导乳腺癌细胞凋亡 (apoptosis)。Terrein是铜绿假单胞菌 (Pseudomonas aeruginosa) 中的群体感应和 c-di-GMP 抑制剂。
Terrein Chemical Structure
CAS No. : 582-46-7
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| 生物活性 |
Terrein is a melanogenesis inhibitor[1]. Terrein induces apoptosis in breast cancer cell lines [2]. Terrein is an inhibitor of quorum sensing and c-di-GMP in Pseudomonas aeruginosa[3].
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体外研究
(In Vitro) |
Treatment of Mel-Ab cells with Terrein (10-100 µM) for 4 days significantly reduces melanin levels in a dose-dependent manner. Terrein reduces melanin synthesis by reducing tyrosinase production via ERK activation[1].
Terrein (5-500 µM; 24 and 48 hours) reduces the viability of these cells in concentration- and time-dependent manners[2].
Terrein (150, 250, 500µM; 24 hours) induces programmed cell death in both invasive and non-invasive breast cancer cell lines. Thus, the optimal non-toxic concentrations of Terrein (25 and 75 µM) were used for subsequent experiments[2].
Terrein (25 and 75 µM) significantly decrease the mRNA levels of both MMP-2 and MMP-9 in MDA-MB-231 cells. Terrein (75 µM) significantly decrease the mRNA levels of both MMP-2 and MMP-9 in MCF-7 cells[2].
Terrein (75 µM) inhibits the expression of RhoA, RhoB, p-Rac1 in MCF-7 cells. Terrein (75 µM) inhibits the expression of RhoB, p-Rac1 in MDA-MB-231 cells[2].
Terrein (10, 30, and 100 μM) inhibits the production of virulence factors such as elastase, pyocyanin, and rhamnolipid, as well as biofilm formation in P. aeruginosa PAO1 and PA14 strains[3].
Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.
Cell Viability Assay[2]
| Cell Line: |
MCF-7 and MDA-MB-231 cells |
| Concentration: |
5, 25, 50, 75, 100, 150, 250, 500 µM |
| Incubation Time: |
24 and 48 hours |
| Result: |
The IC50s for MCF-7 and MDA-MB-231 cells after 24 h of incubation were 2.34 mM and 700 µM, respectively. After 48 h of incubation, the IC50s are 244.3 µM for MCF-7 and 244.5 µM for MDA-MB-231 cells. |
Apoptosis Analysis[2]
| Cell Line: |
MCF-7 and MDA-MB-231 cells |
| Concentration: |
25, 75, 150, 250, 500 µM |
| Incubation Time: |
24 hours |
| Result: |
The percentages of apoptotic cells after 25 and 75 µM treatment were 7.52 and 5.82%, respectively for MCF-7 cells (9.94% for the control), and 15.77 and 15.82%, respectively for MDA-MB-231 cells (8.79% for the control). |
RT-PCR[2]
| Cell Line: |
MCF-7 and MDA-MB-231 cells |
| Concentration: |
25, 75 µM |
| Incubation Time: |
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| Result: |
Decreased the mRNA levels of both MMP-2 and MMP-9 in a concentration-dependent manner. |
Western Blot Analysis[2]
| Cell Line: |
MCF-7 and MDA-MB-231 cells |
| Concentration: |
75 µM |
| Incubation Time: |
6, 12 and 24 hours |
| Result: |
RhoA and RhoB protein levels were significantly decreased after 6 h of 75 µM treatment in MCF-7 cells.
Phosphorylated (p)-Rac1 was also slightly decreased at 12 h. However, RhoC and Cdc42 levels remained unchanged. RhoB protein levels and Rac1 phosphorylation were also decreased in MDA-MB-231 cells at 12 and 24 h, respectively. |
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| 运输条件 |
Room temperature in continental US; may vary elsewhere.
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| 储存方式 |
Please store the product under the recommended conditions in the Certificate of Analysis.
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| 参考文献 |
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[1]. S-H Park, et al. Terrein: A New Melanogenesis Inhibitor and Its Mechanism. Cell Mol Life Sci. 2004 Nov;61(22):2878-85.
[2]. Anongnard Kasorn, et al. Terrein Inhibits Migration of Human Breast Cancer Cells via Inhibition of the Rho and Rac Signaling Pathways. Oncol Rep. 2018 Mar;39(3):1378-1386.
[3]. Bomin Kim, et al. Terrein Is an Inhibitor of Quorum Sensing and c-di-GMP in Pseudomonas Aeruginosa: A Connection Between Quorum Sensing and c-di-GMP. Sci Rep. 2018 Jun 5;8(1):8617.
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