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PF-543

PF-543

产品编号 T6085   CAS 1415562-82-1
别名: Sphingosine Kinase 1 Inhibitor II, PF 543

PF-543 (Sphingosine Kinase 1 Inhibitor II) 是一种选择性可逆和鞘氨醇竞争性 SPHK1抑制剂,可诱导细胞凋亡、坏死和自噬。它对 SPHK1的选择性是 SPHK2 的 100 倍以上。它还抑制全血中 1-磷酸鞘氨醇形成,IC50为 26.7 nM。 在相同实验条件下,摩尔浓度相同的化合物盐形式与游离态具有相同的生物活性,但盐形式 PF-543 hydrochloride 的水溶性和稳定性通常比游离态更好。

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PF-543 Chemical Structure
PF-543, CAS 1415562-82-1
规格 价格/CNY 货期 数量
1 mg ¥ 325 待询
5 mg ¥ 717 待询
10 mg ¥ 1,178 待询
25 mg ¥ 1,750 待询
50 mg ¥ 2,580 待询
1 mL * 10 mM (in DMSO) ¥ 717 待询

PF-543 的其他形式现货产品:

PF-543 hydrochloride
其他形式的 PF-543:
千万补贴 助力科研
BCA蛋白浓度测定试剂盒限时半价
Venetoclax限时半价
产品目录号及名称: PF-543 (T6085)
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生物活性
化学信息
存储 & 溶解度
参考文献
产品描述 PF-543 (Sphingosine Kinase 1 Inhibitor II), a novel sphingosine-competitive inhibitor of SphK1, inhibits SphK1 with IC50 and Ki of 2.0 nM and 3.6 nM.
靶点活性 SPHK1:3.6 nM(Ki), SPHK1:2.0 nM
体外活性 PF543 is a cell-permeable hydroxyl methylpyrrolidine compound that inhibits SphK-1/SphK1-catalyzed sphingosine phosphorylation in a reversible and sphingosine-competitive manner, exhibiting no affinity toward S1P receptors and much reduced inhibitory activity against Sphk2 (6.8% inhibition at 10 μM) or 46 other lipid and portein kinases (IC50 >10 μM). In the SphK1-overexpression 1483 head and neck carcinoma cells, PF-543 decreases the level of endogenous S1P 10-fold with a proportional increase in the level of sphingosine. PF-543 binds SphK1 reversibly (k off t1/2=8.5 min) and with high affinity and the binding constant (Kd) is 5 nM. PF543 had no effect on the proliferation and survival of 1483, A549, LN229, Jurkat, U937 and MCF-7 cells, despite a dramatic change in the cellular S1P/sphingosine ratio. PF-543 is effective as a potent inhibitor of S1P formation in whole blood, indicating that the SphK1 isoform of sphingosine kinase is the major source of S1P in human blood. [1]
体内活性 Administration of the potent sphingosine kinase 1 inhibitor, PF-543 in a mouse hypoxic model of pulmonary hypertension has no effect on vascular remodelling but reduces right ventricular hypertrophy. Administration of 10 mg/kg PF-543 for 24 h to mice induces a decrease in SK1 expression in pulmonary vessels[2].
激酶实验 FITC-S1P quantification/Caliper assay: A 384-well format of the SphK enzyme assay based on separation of FITC-S1P from unreacted FITC-sphingosine substrate using a microfluidic capillary electrophoresis mobility-shift system is developed. Briefly, 3 nM SphK1–His6 is incubated with 1 μM FITC-sphingosine, 20 μM ATP and 10 μM compound (a final concentration of DMSO of 2 %) in a buffer containing 100 mM Hepes (pH 7.4), 1 mM MgCl2,0.01% Triton X-100, 10% glycerol, 100 μM sodium orthovanadate and 1 mM DTT for 1 h in a 384-well Matrical MP-101-1-PP plate. Reaction mixtures (10 μL) are quenched by the addition of 20 μL of 30 mM EDTA and 0.15% Coating Reagent-3 in 100 mM Hepes, and a small aliquot of each reaction (a few nanolitres) is analysed in the Caliper LabChip 3000 instrument under -1.5 psi (psi=6.9 kPa) pressure, a downstream voltage of -1900 V and a sip time of 0.2 s. Phosphorylated fluorescent product and unphosphorylated fluorescent substrate appeared as distinctive peaks and are quantified using the Caliper data.
细胞实验 CellTiter-Glo Assay (Only for Reference)
别名 Sphingosine Kinase 1 Inhibitor II, PF 543
分子量 465.6
分子式 C27H31NO4S
CAS No. 1415562-82-1

存储

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度

H2O: <1 mg/mL

DMSO: 93 mg/mL (199.74 mM)

Ethanol: 93 mg/mL (199.74 mM)

溶液配制表

可选溶剂 浓度 体积 质量 1 mg 5 mg 10 mg 25 mg
DMSO / Ethanol 1 mM 2.1478 mL 10.7388 mL 21.4777 mL 53.6942 mL
5 mM 0.4296 mL 2.1478 mL 4.2955 mL 10.7388 mL
10 mM 0.2148 mL 1.0739 mL 2.1478 mL 5.3694 mL
20 mM 0.1074 mL 0.5369 mL 1.0739 mL 2.6847 mL
50 mM 0.043 mL 0.2148 mL 0.4296 mL 1.0739 mL
100 mM 0.0215 mL 0.1074 mL 0.2148 mL 0.5369 mL

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TargetMol Library Books参考文献

1. Schnute ME, et al. Biochem J, 2012, 444(1), 79-88. 2. MacRitchie N, et al. Effect of the sphingosine kinase 1 selective inhibitor, PF-543 on arterial and cardiac remodelling in a hypoxic model of pulmonary arterial hypertension. Cell Signal. 2016 Aug;28(8):946-55.
Domatinostat GSK1904529A STF-118804 SW106065 Sulfasalazine Scriptaid Corilagin BTT-3033

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Keywords

PF-543 1415562-82-1 Apoptosis Autophagy GPCR/G Protein S1P Receptor LPL Receptor anti-inflammatory Inhibitor inhibit Sphingosine Kinase 1 Inhibitor II S1P SK1 Lysophospholipid Receptor SphK PF543 caspase-3/7 necrosis Sphingosine kinase anti-cancer Nrf-2 sphingosine-competitive PAH PF 543 inhibitor

 

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