BRUSATOL
brusatol
CAS: 14907-98-3
Molecular Formula: C26H32O11
BRUSATOL - Names and Identifiers
BRUSATOL - Physico-chemical Properties
| Molecular Formula | C26H32O11 |
| Molar Mass | 520.53 |
| Density | 1.46±0.1 g/cm3 (20 ºC 760 Torr) |
| Boling Point | 724.3±60.0 °C(Predicted) |
| Specific Rotation(α) | [α]/D +35 to +44°, c = 0.5 in acetone |
| Solubility | DMSO: 5 mg/mL |
| Appearance | white to beige powder |
| Color | white to beige |
| pKa | 8.81±0.70(Predicted) |
| Storage Condition | -20°C |
| MDL | MFCD23726642 |
| Physical and Chemical Properties | White crystalline powder, soluble in methanol, ethanol, DMSO and other organic solvents, derived from Brucea javanica Brucea javanica. |
| In vitro study | A potential therapeutic application of an Nrf2 inhibitor such as Brusatol (NSC 172924) is the downregulation of Nrf2 pathway components in cells harboring constitutively high levels of the transcription factor. Brusatol (NSC 172924) provokes the depletion of Nrf2 via a mechanism that is not dependent on Keap1 and the proteasomal and autophagic protein degradation systems. Brusatol (NSC 172924) provokes a rapid and transient depletion of Nrf2 protein, through a posttranscriptional mechanism, in mouse Hepa-1c1c7 hepatoma cells. Brusatol (NSC 172924) also inhibits Nrf2 in freshly isolated primary human hepatocytes. To explore the possible synergistic cytotoxicity of Brusatol (NSC 172924) in combination with CDDP, the study investigates the effects of Brusatol and CDDP cotreatment on CT-26 cell viability using an MTT assay. CT-26 cells are treated with various concentrations of Brusatol (0.05, 0.15, 0.45, 1.35, 4.05 and 12.15 μg/mL) and CDDP (0.05, 0.15, 0.45, 1.35, 4.05 and 12.15 μg/mL) for 48 h, either alone or in combination. Following treatment with Brusatol (NSC 172924) and CDDP for 48 h, the viability of CT-26 cells is reduced in a dose-dependent manner, with IC 50 values of 0.27±0.01 and 1.44±0.22 μg/mL, respectively. When Brusatol (NSC 172924) is combined with CDDP at a constant concentration ratio of 1:1, cell growth inhibition is markedly enhanced compared with single-agent treatment; the IC 50 value of Brusatol (NSC 172924) and CDDP cotreatment is 0.19±0.02 μg/mL. |
| In vivo study | To explore the anticancer effect of Brusatol in vivo, A549 xenografts grown in nude mice are used as a model. Nude mice are injected with A549 cells to induce tumor growth, followed by a single i.p. injection of 2 mg/kg Brusatol. Tumors are isolated 24 h or 48 h postinjection. Nrf2 protein levels are significantly decreased at 24 h or 48 h postinjection, indicating that Brusatol (NSC 172924) is able to reach the tumor tissue and inhibit the Nrf2 pathway. To measure tumor growth, two different experiments are performed. In the first experiment, once the tumor size reaches an average of 230 mm 3 , DMSO, Brusatol (NSC 172924) (2 mg/kg), Cisplatin (2 mg/kg), or Cisplatin (2 mg/kg) and Brusatol (2 mg/kg) combined treatment is i.p. injected every other day for a total of five times. Cisplatin or Brusatol (NSC 172924) alone does not inhibit tumor growth significantly, whereas in the combination group, tumor size is significantly reduced. |
BRUSATOL - Reference
| Reference Show more | 1. Liang, Fuqiang, et al. "Attenuation of tert-butyl hydroperoxide (t-BHP)-induced oxidative damage in HepG2 Cells by tangeretin: Relevance of the Nrf2–ARE and MAPK signaling pathways." Journal of agricultural and food chemistry 66.25 (2018): 6317-6325.https: 2. [IF=4.192] Fuqiang Liang et al."Attenuation of tert-Butyl Hydroperoxide (t-BHP)-Induced Oxidative Damage in HepG2 Cells by Tangeretin: Relevance of the Nrf2–ARE and MAPK Signaling Pathways."J Agr Food Chem. 2018;66(25):6317–6325 3. [IF=6.529] Yao-Dong Song et al."Galangin ameliorates severe acute pancreatitis in mice by activating the nuclear factor E2-related factor 2/heme oxygenase 1 pathway."Biomed Pharmacother. 2021 Dec;144:112293 4. [IF=5.076] Yang Yun et al."Nrf2 Inhibitor, Brusatol in Combination with Trastuzumab Exerts Synergistic Antitumor Activity in HER2-Positive Cancers by Inhibiting Nrf2/HO-1 and HER2-AKT/ERK1/2 Pathways."Oxid Med Cell Longev. 2020;2020:9867595 5. [IF=3.197] Hai-Yan Xu et al."Procyanidin A2 penetrates L-02 cells and protects against tert-butyl hydroperoxide-induced oxidative stress by activating Nrf2 through JNK and p38 phosphorylation."J Funct Foods. 2019 Nov;62:103562 6. [IF=6.244] Li Hongxia et al."Dimethyl Fumarate Combined With Vemurafenib Enhances Anti-Melanoma Efficacy via Inhibiting the Hippo/YAP, NRF2-ARE, and AKT/mTOR/ERK Pathways in A375 Melanoma Cells."Front Oncol. 2022 Jan;0:63 |
BRUSATOL - Reference Information
| biological activity | busatol (NSC 172924), which can be isolated from B. javanica fruit, is an NRF2 inhibitor. |
| Target | Value |
| Use | a natural class of drugs derived from plants, by inhibiting the de novo synthesis of cellular proteins, extensive cytotoxicity was demonstrated in tumor cultures. |
Last Update：2024-04-09 15:16:54
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View History
BRUSATOL
Pamidronic acid
Tin (II) pyrophosphate
-2-prop-2-enoxyethanamine
1122-73-2
5-FLUOROISATIN
Trichloro(phenyl)germane
Vericiguat Impurity 9
Pamidronic acid
Tin (II) pyrophosphate
-2-prop-2-enoxyethanamine
1122-73-2
5-FLUOROISATIN
Trichloro(phenyl)germane
Vericiguat Impurity 9