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U-73122

Catalog No. T6243 CAS 112648-68-7

Synonyms: U73122

U-73122 (U73122) , an effective PLC inhibitor, reduces agonist-induced Ca2+ increases in platelets and PMN.

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U-73122, CAS 112648-68-7

Pack Size	Availability	Price/USD
2 mg	In stock	$ 33.00
5 mg	In stock	$ 52.00
10 mg	In stock	$ 77.00
25 mg	In stock	$ 136.00
50 mg	In stock	$ 247.00
100 mg	In stock	$ 450.00
1 mL * 10 mM (in DMSO)	In stock	$ 53.00

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Purity: 96.73%

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Chemical Properties

Storage & Solubility Information

Description	U-73122 (U73122) , an effective PLC inhibitor, reduces agonist-induced Ca2+ increases in platelets and PMN.
In vitro	At a concentration of 0.1 mg/ml, U73122 inhibits the accumulation of 74% of lymphocytes and 65% of macrophages induced by carrageenan in the subcutaneous cavity of dogs. When administered at 30 mg/kg intraperitoneally (i.p.), U73122 blocks 65% and 80% of carrageenan-induced paw edema in rats 1 hour and 3 hours post-treatment, respectively. Furthermore, it completely inhibits the infiltration of macrophages and lymphocytes, as well as 80% of prostaglandin E2 production, in a mouse model of peritonitis triggered by lipopolysaccharides. U73122 also suppresses the swelling of mouse ears induced by 12-O-tetradecanoylphorbol-13-acetate.
In vivo	U-73122 inhibits the production of thromboxane B induced by collagen, where collagen induces this effect by inhibiting receptor-coupled arachidonic acid transfer. U-73122 also suppresses the aggregation of human polymorphonuclear neutrophils and the associated production of IP3 and diacylglycerol induced by FMLP. It notably inhibits the aggregation of human platelets induced by various agonists, including thrombin, collagen, ADP, and arachidonic acid (IC50 of 1-5 µM). Thrombin or U-46619 induces the production of IP3 and a subsequent rapid increase in intracellular Ca2+ by inhibiting the hydrolysis of platelet-soluble components catalyzed phosphatidylinositol [3H]mannose and phosphatidylinositol [3H]bisphosphate 4,5-diphosphate (Ki: 9/40 µM), which is inhibited by 10 µM of U-73122.
Kinase Assay	PMNs (4×107/4 mL) are incubated with U-73122 according to protocols. The reactions are stopped with cold calcium-free PBS. The cells are centrifuged at 750 × g (4°C) and resuspended in 1 mL of Triton X-100-free extraction buffer (50 mM Tris, pH 7.5, 50 mM fimercaptoethanol, 2 mM EGTA, 1 mM phenylmethylsulfonyl fluoride and 4 μg/mL of leupeptin, soybean trypsin inhibitor and aprotinin), and then sonicated for 10- and 5-sec consecutive bursts at 20% output. The lysates are centrifuged at 240 × g (4°C) for 20 mm in a TL-100 ultracentrifuge with the supernatant designated as the cytosol fraction. The pellet is resuspended in 1% Triton-containing extraction buffer, sonicated, shaken for 30 mm at 4°C and centrifuged (240 × g for 20 mm at 4°C). The supernatant constitutes the extractable particulate fraction, and the pellet is sonicated in extraction buffer with Triton and constituted the nonextractable particulate fraction.
Cell Research	U-73122 is dissolved in DMSO. Agonist-induced production of IP3 in PMN is measured by use of the competitive radiobinding assy. PMN (2 x 106-107) in 0.2 mL of phosphate-buffered saline, pH 7.4 [NaC1 (138 mM), Na2HPO4 (8.1 mM), KH2PO4 (1.5 mM), KCI (2.7 mM), CaCl2 (1.0 mM), MgC12 (1.0 mM) and glucose (0.1%, w/v)] are incubated in conical polypropylene tubes at 37°C in a shaking water bath. U-73122 or U-73343 is added (in 1 μL of DMSO) 3 min before the addition of agonist, FMLP (0.1 μM) plus cytochalasin B (5 μg/mL). FMLP and cytochalasin B are added in 1 μL each of DMSO and ethanol, respectively. Appropriate vehicle controls are included in each experiment. PMN incubation mixtures are quenched with the addition of 0.07 mL of ice-cold TCA (20%, w/v) and a portion (0.2 mL) of the TCA extract is processed for the measurement of IP3 by competitive radiobinding as described above for platelets.

Synonyms	U73122
Molecular Weight	464.64
Formula	C29H40N2O3
CAS No.	112648-68-7

Storage

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

Solubility Information

DMSO: 12.5 mg/mL (26.90 mM), Sonication is recommended.

H2O: < 0.1 mg/mL (insoluble)

References and Literature

1. Bleasdale JE, et al. J Pharmacol Exp Ther, 1990, 255(2), 756-768. 2. Smith RJ, et al. J Pharmacol Exp Ther, 1990, 253(2), 688-697. 3. Hou C, et al. J Pharmacol Exp Ther, 2004, 309(2), 697-704. 4. Jin W, et al. Brain Res, 1994, 642(1-2), 237-243. 5. Yule DI, et al. J Biol Chem, 1992, 267(20), 13830-13835. 6. Ma L, Gong F, Xu J, et al. Uncarboxylated osteocalcin reverses the high glucose‑induced inhibition of the osteogenic differentiation of MC3T3E1 cells via the GPRC6A/cAMP/PKA/AMPK signaling pathway[J]. International Journal of Molecular Medicine. 2021, 47(5): 1-11

Citations

1. Wang X, Cai J, Lin B, et al. GPR34-mediated sensing of lysophosphatidylserine released by apoptotic neutrophils activates type 3 innate lymphoid cells to mediate tissue repair. Immunity. 2021, 54(6): 1123-1136. e8. 2. Sudi S, Chin Y Z, Wasli N S, et al. Carpaine Promotes Proliferation and Repair of H9c2 Cardiomyocytes after Oxidative Insults. Pharmaceuticals. 2022, 15(2): 230. 3. Ma L, Gong F, Xu J, et al. Uncarboxylated osteocalcin reverses the high glucose‑induced inhibition of the osteogenic differentiation of MC3T3E1 cells via the GPRC6A/cAMP/PKA/AMPK signaling pathway. International Journal of Molecular Medicine. 2021 May;47(5):91. doi: 10.3892/ijmm.2021.4924. Epub 2021 Mar 31. 4. Zhu H, Liu X, Wang X, et al.Gβγ subunit inhibitor decreases DOM-induced head twitch response via the PLCβ/IP3/Ca2+/ERK and cAMP signaling pathways.European Journal of Pharmacology.2023: 176038. 5. Cui S, Suo N, Yang Y, et al.The aminosteroid U73122 promotes oligodendrocytes generation and myelin formation.Acta Pharmacologica Sinica.2023: 1-12. 6. Zhang Z, Zhou H, Gu W, et al.CGI1746 targets σ1R to modulate ferroptosis through mitochondria-associated membranes.Nature Chemical Biology.2024: 1-11. 7. Zhong T, Chen S, Deng K, et al.Magnesium alleviates extracellular histone-induced apoptosis and defective bacterial phagocytosis in macrophages by regulating intracellular calcium signal.International Immunopharmacology.2024, 132: 111870.

Related compound libraries

This product is contained In the following compound libraries：

Inhibitor Library Wnt/Hedgehog/Notch Compound Library Lipid Metabolism Compound Library Metabolism Compound Library Bioactive Compounds Library Max Anti-Obesity Compound Library NO PAINS Compound Library Immunology/Inflammation Compound Library Bioactive Compound Library Apoptosis Compound Library

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Keywords

U-73122 112648-68-7 Apoptosis Metabolism Ferroptosis Phospholipase Lipoxygenase inhibit Inhibitor U73122 U 73122 LOX inhibitor

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