Gamabufotalin (Gamabufagin)

Gamabufotalin (Gamabufagin) (Gamabufagin) 是一种从中药蟾酥中分离出来的主要活性化合物，已被证明能强烈抑制癌细胞生长和炎症反应。 Gamabufotalin (Gamabufagin) 可以通过抑制 VEGFR-2 信号通路的激活来抑制血管生成。

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5mg

￥825.00

660.00

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10mg

￥1437.00

1150.00

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Background

Gamabufotalin (Gamabufagin), a major bufadienolide of Chansu, has been used for cancer therapy due to its desirable metabolic stability and less adverse effect.IC50 value:Target: in vitro: Gamabufotalin (CS-6) strongly suppressed COX-2 expression by inhibiting the phosphorylation of IKKβ via targeting the ATP-binding site, thereby abrogating NF-κB binding and p300 recruitment to COX-2 promoter. In addition, CS-6 induced apoptosis by activating the cytochrome c and caspase-dependent apoptotic pathway [1]. Gamabufotalin significantly potentiated human breast cancer cells with different status of ER-alpha to apoptosis induction of TRAIL, as evidenced by enhanced Annexin V/FITC positive cells (apoptotic cells), cytoplasmic histone-associated-DNA-fragments, membrane permeability transition (MPT), caspases activation and PARP cleavage [2].in vivo: CS-6 markedly down-regulated the protein levels of COX-2 and phosphorylated p65 NF-κB in tumor tissues of the xenograft mice, and inhibited tumor weight and size [1].

[1]. Yu Z, et al. Gamabufotalin, a bufadienolide compound from toad venom, suppresses COX-2 expression through targeting IKKβ/NF-κB signaling pathway in lung cancer cells. Mol Cancer. 2014 Aug 31;13:203. [2]. Dong Y, et al. Bufadienolide compounds sensitize human breast cancer cells to TRAIL-induced apoptosis via inhibition of STAT3/Mcl-1 pathway. Apoptosis. 2011 Apr;16(4):394-403.