Withaferin A

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Withaferin A

CAS No. : 5119-48-2

MCE 国际站：Withaferin A

产品活性：Withaferin A 是从睡茄中分离到的甾体内酯，可以抑制 NF-kB 的活性，靶作用于波形蛋白 (vimentin)，具有抗炎，抗肿瘤等功效。Withaferin A 是内皮蛋白 C 受体 (EPCR) 脱落的抑制剂。

研究领域：NF-κB  |  Apoptosis

作用靶点：NF-κB  |  Ferroptosis

In Vitro: Withaferin A has antiinflammatory activity, and potently inhibits NF-kB activation by preventing the TNF-induced activation of Ik-B kinase beta via a thioalkylation-sensitive redox mechanism.
Withaferin A also has anticancer activity. Withaferin A targets the IF protein vimentin, causes aggregation of vimentin filaments in bovine aortic endothelial cells (BAECs) at 3 μM, and induces vimentin fragmentation in endothelial cells at 10 μM.
Withaferin A (0.5, 1.5 μM) alone or incombination with cisplatin (CIS) dose-dependently reduces tumorigenic potential of ALDH1 positive cancer stem cells (CSCs).

In Vivo: Withaferin A (2 mg/kg, i.p.) shows potent angiogenesis inhibitory activity via vimentin in mice. Withaferin A (2 mg/kg) combined with cisplatin (CIS) regulates the expression of ALDH1 marker, and downregulates the expression of securin in tumors collected from mice.

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