外泌体抑制剂 GW4869- 外泌体exosome提取试剂/试剂盒-「北京博迈斯科技发展有限公司
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产品分类:其他
产品小类:外泌体exosome提取试剂/试剂盒
货号:GW4869
产品名称:外泌体抑制剂 GW4869
英文名称:GW4869
品牌:国产
规格:2mg
价格:900
说明:


GW4869是非竞争性的中性鞘磷脂酶 (N-SMase)抑制剂 (外泌体抑制剂)IC50值为1 μM

别名: GW69A, GW554869A

CAS 6823-69-4     分子式 C30H30Cl2N6O2     分子量 577.50

靶点: neutral sphingomyelinase;

A cell-permeable, symmetrical dihydroimidazolo-amide compound that acts as a potent, specific, non-competitive inhibitor of N-SMase (neutral sphingomyelinase) [IC50 = ~ 1 µM, rat brain; Km for sphingomyelin ~13 µM]. Does not inhibit human A-SMase (acid sphingomyelinase) even at 150 µM. Weakly inhibits the activities of bovine protein phosphatase 2A and mammalian lyso-PAF PLC, while no inhibition is observed for bacterial phosphatidylcholine-specific PLC. Reported to offer complete protection against TNF-α or diamine-induced cell death in MCF7 breast Y cells at 20 µM. Does not modify the intracellular glutathione levels or interfere with TNF-α or diamine-mediated signaling effects.

产品描述:

A cell-permeable, symmetrical dihydroimidazolo-amide compound that acts as a potent, specific, non-competitive inhibitor of N-SMase (neutral sphingomyelinase) [IC50 = ~ 1 µM, rat brain; Km for sphingomyelin ~13 µM]. Does not inhibit human A-SMase (acid sphingomyelinase) even at 150 µM. Weakly inhibits the activities of bovine protein phosphatase 2A and mammalian lyso-PAF PLC, while no inhibition is observed for bacterial phosphatidylcholine-specific PLC. Reported to offer complete protection against TNF-α or diamine-induced cell death in MCF7 breast Y cells at 20 µM. Does not modify the intracellular glutathione levels or interfere with TNF-α or diamine-mediated signaling effects.

靶点活性

neutral sphingomyelinase,1μM

体外活性:

GW4869 (10 μM) partially inhibits TNF-induced sphingomyelin (SM) hydrolysis, and 20 μM of the compound is protected completely from the loss of SM. The addition of 10-20 μM GW4869 completely inhibits the initial accumulation of ceramide, whereas this effect is partially lost at later time points (24 h). The action of GW4869 occurs downstream of the drop in glutathione. GW4869 is able, in a dose-dependent manner, to significantly protect from cell death. These protective effects are accompanied by significant inhibition of cytochrome c release from mitochondria and caspase 9 activation, therefore localizing N-SMase activation upstream of mitochondrial dysfunction[1].

体内活性:

Pre-treatment with GW4869 significantly impairs release of both exosomes and pro-inflammatory cytokines (TNF-α, IL-1β, IL-6) in RAW264.7 macrophages. At 12 h after LPS treatment or CLP surgery, WT mice pretreated with GW4869 displays lower amounts of exosomes and pro-inflammatory cytokines in the serum than control PBS-injected mice. Accordingly, GW4869 treatment diminishes the sepsis-induced cardiac inflammation, attenuates myocardial depression and prolongs survival[2].

溶解度:

DMSO: 0.044 mg/mL (0.08 mM), Need ultrasonic and warming

H2O: < 0.1 mg/mL, insoluble

< 1 mg/ml refers to the product slightly soluble or insoluble )


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