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U-73122

 
Catalog No.
B3422
磷脂酶C,磷脂酶A2和5-LO(5-脂氧合酶)抑制剂
组合的产品项目
规格价格库存 数量
10mM (in 1mL DMSO)
¥ 909.00
现货
5mg
¥ 581.00
现货
10mg
¥ 872.00
现货
25mg
¥ 1,636.00
现货

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A

背景

U-73122 is a potent phospholipase C (PLC) inhibitor with IC50 value of ~6 μM [1].

PLC is a class of membrane-associated enzymes that catalyzes the hydrolysis of a membrane phospholipid, phosphatidylinositol 4,5-bisphosphate (PIP2), to produce two intracellular messengers, diacylglycerol and inositol-triphosphate, which, in turn, mediate the activation of protein kinase C (PKC) and intracellular Ca2+ release, respectively. It plays an important role in various signal transduction pathways [1].

U-73122 significantly inhibited recombinant human PLC-β2 with IC50 value of ~6 μM, while showing little effect on PLC-β1, PLC-β3 or PLC-β4. In human neutrophils, U-73122 reduced interleukin-8 and leukotriene B4-induced Ca2+ flux and chemotaxis with IC50 values of ~6 μM and ~5 μM, respectively [1].

In rats, U-73122 (30 mg/kg, i.p.) inhibited hind paw swelling by 65% and 80% at 1 h and 3 h post-carrageenan challenge. Moreover, pretreatment of U-73122 (1 mg/kg, 3 mg/kg and 10 mg/kg, respectively, i.v.) effectively suppressed TPA-induced mouse ear edema in a dose-dependent manner [1].

Reference:

[1]. Hou C, Kirchner T, Singer M, et al. In vivo activity of a phospholipase C inhibitor, 1-(6-((17beta-3-methoxyestra-1,3,5(10)-trien-17-yl)amino)hexyl)-1H-pyrrole-2,5-dione (U73122), in acute and chronic inflammatory reactions. Journal of Pharmacology and Experimental Therapeutics, 2004, 309(2): 697-704.

文献引用

1. Zhou J, Lai W, et al. "BLT1 in dendritic cells promotes Th1/Th17 differentiation and its deficiency ameliorates TNBS-induced colitis." Cell Mol Immunol. 2018 Apr 18. PMID:29670278

化学属性

Physical AppearanceA solid
StorageStore at -20°C
M.Wt464.64
Cas No.112648-68-7
FormulaC29H40N2O3
Solubilityinsoluble in H2O; ≥15.5 mg/mL in EtOH with gentle warming and ultrasonic; ≥5.67 mg/mL in DMSO with gentle warming
Chemical Name1-[6-[[(8R,9S,13S,14S,17S)-3-methoxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]amino]hexyl]pyrrole-2,5-dione
SDFDownload SDF
Canonical SMILESCC12CCC3C(C1CCC2NCCCCCCN4C(=O)C=CC4=O)CCC5=C3C=CC(=C5)OC
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试验操作

Cell experiment:[1]

Cell lines

Human neutrophils

Reaction Conditions

15 min or 3 h incubation

Applications

In human neutrophils, U-73122 reduced interleukin-8 and leukotriene B4-induced Ca2+ flux (after 15 min incubation) and chemotaxis (after 3 h incubation) in a concentration-dependent manner, with IC50 values being ~6 μM and ~5 μM, respectively.

Animal experiment:[1]

Animal models

Male Sprague-Dawley rats, ~ 200 g

Dosage form

30 mg/kg

Administered intraperitoneally (i.p.)

Applications

In rats, U-73122 (30 mg/kg, i.p.) inhibited hind paw swelling by 65% and 80% at 1 h and 3 h post-carrageenan challenge. U-73122 significantly inhibited carrageenan-induced inflammation, and its effect was more complete than a 10 mg/kg p.o. dose of indomethacin.

Note

The technical data provided above is for reference only.

References:

1. Hou C, Kirchner T, Singer M, et al. In vivo activity of a phospholipase C inhibitor, 1-(6-((17beta-3-methoxyestra-1,3,5(10)-trien-17-yl)amino)hexyl)-1H-pyrrole-2,5-dione (U73122), in acute and chronic inflammatory reactions. Journal of Pharmacology and Experimental Therapeutics, 2004, 309(2): 697-704.

质量控制

化学结构

U-73122

相关生物数据

U-73122