6,2′,4′-Trimethoxyflavone

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6,2′,4′-Trimethoxyflavone 

6,2′,4′-Trimethoxyflavone 是一种有效的芳香烃受体 (AHR) 拮抗剂。(AHR) 抑制AHR介导的基因诱导。

6,2

6,2′,4′-Trimethoxyflavone Chemical Structure

CAS No. : 720675-74-1

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生物活性

6,2′,4′-Trimethoxyflavone is a potent aryl hydrocarbon receptor (AHR) antagonist. 6,2′,4′-Trimethoxyflavone represses AHR-mediated gene induction[1].

体外研究
(In Vitro)

6,2′,4′-trimethoxyflavone (TMF) as an AHR ligand that possesses the characteristics of an antagonist having the capacity to compete with agonists, such as 2,3,7,8-tetrachlorodibenzo-p-dioxin and benzo[a]pyrene, thus effectively inhibiting AHR-mediated transactivation of a heterologous reporter and endogenous targets, e.g., CYP1A1, independent of cell lineage or species. Furthermore, TMF displays superior action by virtue of having no partial agonist activity, in contrast to other documented antagonists, e.g., alpha-napthoflavone, which are partial weak agonists. TMF also exhibits no species or promoter dependence with regard to AHR antagonism[1].
6,2′,4′-Trimethoxyflavone (0-100 μM; 72 hours) shows an inhibitory activity of TNF-⍺ production in THP-1 cells, with IC50 of 2.38 μM. 6,2′,4′-Trimethoxyflavone shows an inhibitory activity of TNF-α production in B16-F10 cells with IC50 of 1.32 μM[2].

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: THP-1 cells, B16-F10 cells
Concentration: 0-100 μM
Incubation Time: 72 hours
Result: Showed inhibitory activity of TNF-⍺ production in THP-1 cells and B16-F10 cells.

体内研究
(In Vivo)

6,2′,4′-trimethoxyflavone-treated (5 mg/kg/day; i.p.) WT mice shows significantly decreased infarct volume, improved sensorimotor, and nonspatial working memory functions compared with their respective controls[3].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Male C57BL/6 wild-type (WT) mice, AHRcKO mice[3]
Dosage: 5 mg/kg/day
Administration: I.p.
Result: Both TMF-treated and AHRcKO mice attenuated acute cerebral infarction and functional impairments.

分子量

312.32

Formula

C18H16O5
CAS 号

720675-74-1
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
参考文献

  • [1]. Murray IA, et al. Antagonism of aryl hydrocarbon receptor signaling by 6,2′,4′-trimethoxyflavone [published correction appears in J Pharmacol Exp Ther. 2018 Nov;367(2):291]. J Pharmacol Exp Ther. 2010;332(1):135-144.

    [2]. Apaza T L, et al. Flavonoids of Tripodanthus acutifolius inhibit TNF-α production in LPS-activated THP-1 and B16-F10 cells. J Ethnopharmacol. 2019;242:112036.

    [3]. Chen WC, et al. Aryl hydrocarbon receptor modulates stroke-induced astrogliosis and neurogenesis in the adult mouse brain. J Neuroinflammation. 2019;16(1):187. Published 2019 Oct 12.

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