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重要文件

567715

Sigma-Aldrich

中性鞘磷脂酶抑制剂,GW4869

The N-SMase Inhibitor, GW4869, also referenced under CAS 6823-69-4, controls the biological activity of N-SMase. This small molecule/inhibitor is primarily used for Cell Signaling applications.

同義詞:

中性鞘磷脂酶抑制剂,GW4869, 中性神经鞘磷脂酶抑制剂GW4869,GW69A,GW554869A

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About This Item

經驗公式(希爾表示法):
C30H28N6O2 · 2HCl
CAS號碼:
分子量::
577.50
分類程式碼代碼:
12352200
NACRES:
NA.77
暫時無法取得訂價和供貨情況

品質等級

化驗

≥90% (NMR)

形狀

solid

製造商/商標名

Calbiochem®

儲存條件

OK to freeze
desiccated (hygroscopic)
protect from light

顏色

pale yellow

溶解度

DMSO: 200 μg/mL

運輸包裝

wet ice

儲存溫度

−20°C

InChI

1S/C30H28N6O2.2ClH/c37-27(35-25-11-7-23(8-12-25)29-31-17-18-32-29)15-5-21-1-2-22(4-3-21)6-16-28(38)36-26-13-9-24(10-14-26)30-33-19-20-34-30;;/h1-16H,17-20H2,(H,31,32)(H,33,34)(H,35,37)(H,36,38);2*1H/b15-5+,16-6+;;

InChI 密鑰

NSFKAZDTKIKLKT-CLEIDKRQSA-N

一般說明

一种具有细胞渗透性的对称二氢咪唑酰胺化合物,可作为N-SMase(中性鞘磷脂酶)的有效、特异性、非竞争性抑制剂[IC50 = ~ 1 µM,大鼠脑;鞘磷脂的Km ~13 µM]。即使在150 µM下,也不抑制人类A-SMase(酸性鞘磷脂酶)。弱抑制牛蛋白磷酸酶2A和哺乳动物lyso PAF PLC的活性,而未观察到细菌磷脂酰胆碱特异性PLC的抑制。据报道,在20 µM时,可完全保护MCF7乳腺癌细胞中TNF-α或二胺诱导的细胞死亡护。不改变细胞内谷胱甘肽水平或干扰TNF-α或二胺介导的信号传递效应。
一种细胞可渗透的对称二氢咪唑酰胺,可作为中性鞘磷脂酶(N-SMase)的有效性、特异和非竞争性抑制剂(IC50 = 1 µM,大鼠脑N-SMase)。据报道,可在MCF7细胞中抑制肿瘤坏死因子α(TNF-α)诱导的鞘磷脂水解(20 µM时100%抑制)和TNF-α-诱导的细胞死亡。不干扰其他TNF-α-介导的信号事件,如从头神经酰胺合成、NF-κB激活和核转位。对通常因TNF-α而降低的细胞谷胱甘肽水平没有影响。不抑制酸性鞘磷脂酶(A-SMase)或细菌磷脂酰胆碱特异性磷脂酶C(PC-PLC)。显示弱抑制牛蛋白磷酸酶2A (PP2A)和人lyso PAF PLC,一种在体外水解鞘磷脂的酶。

生化/生理作用

主靶
N-Smase大鼠脑
产物不与ATP竞争。
可逆:否
细胞可渗透性:是
靶标IC50:1 µM大鼠脑N-SMase(中性鞘磷脂酶);鞘磷脂的Km~13 µM

包裝

用惰性气体包装

警告

毒性:标准处理(A)

重構

复溶后,等分并冷冻保存(-20°C)。贮备溶液在-20°C下可稳定保存至多3个月。

其他說明

Marchesini, N., et al. 2003.J. Biol. Chem. In press.
Luberto, C., et al. 2002.J. Biol. Chem.277, 41128
Okamoto, Y., et al. 2002.FEBS Lett.530, 140.

法律資訊

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析證明 (COA)

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