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Fisetin

CAS No. : 528-48-3

MCE 国际站：Fisetin

产品活性：Fisetin是一种在许多水果和蔬菜中发现的天然黄酮醇，具有多种益处，如抗氧化，抗癌，神经保护作用。

研究领域：Cell Cycle/DNA Damage  |  Epigenetics  |  Vitamin D Related/Nuclear Receptor  |  Apoptosis

作用靶点：Sirtuin  |  PPAR  |  TNF Receptor

结构分类：黄酮类  |  黄酮醇  |  酚类  |  多酚类  |  结构分类

来源：植物  |  蔷薇科  |  草莓

In Vitro: Fisetin inhibits lipid accumulation and suppresses the expression of PPARγ in 3T3-L1 cells. Fisetin suppresses early stages of preadipocyte differentiation, and induces expression of Sirt1. Fisetin facilitates Sirt1-mediated deacetylation of PPARγ and FoxO1, and enhances the association of Sirt1 with the PPARγ promoter, leading to suppression of PPARγ transcriptional activity, thereby repressing adipogenesis. Fisetin binds to tubulin and stabilizes microtubules with binding characteristics far superior than paclitaxel. Fisetin treatment of human prostate cancer cells results in robust up-regulation of microtubule associated proteins (MAP)-2 and -4. Fisetin significantly inhibits PCa cell proliferation, migration, and invasion. Nudc, a protein associated with microtubule motor dynein/dynactin complex that regulates microtubule dynamics, is inhibited with Fisetin treatment.

In Vivo: Fisetin treatment to UVB exposed mice results in decreased hyperplasia and reduces infiltration of inflammatory cells. Fisetin treatment also reduces inflammatory mediators such as COX-2, PGE2 as well as its receptors (EP1- EP4), and MPO activity. Furthermore, Fisetin reduces the level of inflammatory cytokines TNFα, IL-1β and IL-6 in UVB exposed skin. Fisetin treatment also reduces cell proliferation markers as well as DNA damage as evidenced by increased expression of p53 and p21 proteins.

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