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Giovannoni MP, Schepetkin IA, Cilibrizzi A, Crocetti L, Khlebnikov AI, Dahlgren C, Graziano A, Dal Piaz V, Kirpotina LN, Zerbinati S, Vergelli C, Quinn MT. Further studies on 2-arylacetamide pyridazin-3(2H)-ones: design, synthesis and evaluation of 4,6-disubstituted analogs as formyl peptide receptors (FPRs) agonists. Eur J Med Chem 2013; 64:512-28. [PMID: 23685570 DOI: 10.1016/j.ejmech.2013.03.066] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Revised: 02/19/2013] [Accepted: 03/28/2013] [Indexed: 10/27/2022]
Abstract
Formyl peptide receptors (FPRs) play an essential role in the regulation of endogenous inflammation and immunity. In the present studies, a large series of pyridazin-3(2H)-one derivatives bearing an arylacetamide chain at position 2 was synthesized and tested for FPR agonist activity. The pyridazin-3(2H)-one ring was confirmed to be an appropriate scaffold to support FPR agonist activity, and its modification at the 4 and 6 positions led to the identification of additional active agonists, which induced intracellular Ca(2+) flux in HL-60 cells transfected with either FPR1, FPR2, or FPR3. Seven formyl peptide receptor 1 (FPR1)-specific and several mixed FPR1/FPR2 dual agonists were identified with low micromolar EC50 values. Furthermore, these agonists also activated human neutrophils, inducing intracellular Ca(2+) flux and chemotaxis. Finally, molecular docking studies indicated that the most potent pyridazin-3(2H)-ones overlapped in their best docking poses with fMLF and WKYMVM peptides in the FPR1 and FPR2 ligand binding sites, respectively. Thus, pyridazinone-based compounds represent potential lead compounds for further development of selective and/or potent FPR agonists.
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Affiliation(s)
- Maria Paola Giovannoni
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Firenze, Italy.
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Bryantsev VS, Faglioni F. Predicting Autoxidation Stability of Ether- and Amide-Based Electrolyte Solvents for Li–Air Batteries. J Phys Chem A 2012; 116:7128-38. [DOI: 10.1021/jp301537w] [Citation(s) in RCA: 129] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Vyacheslav S. Bryantsev
- Liox Power, Incorporated, 129 N. Hill
Avenue, Suite 103, Pasadena, California 91106, United
States
| | - Francesco Faglioni
- Liox Power, Incorporated, 129 N. Hill
Avenue, Suite 103, Pasadena, California 91106, United
States
- Dipartimento di
Chimica, Università di Modena e Reggio Emilia, Via Campi
183, 41100 Modena, Italy
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Bryantsev VS, Giordani V, Walker W, Blanco M, Zecevic S, Sasaki K, Uddin J, Addison D, Chase GV. Predicting Solvent Stability in Aprotic Electrolyte Li–Air Batteries: Nucleophilic Substitution by the Superoxide Anion Radical (O2•–). J Phys Chem A 2011; 115:12399-409. [DOI: 10.1021/jp2073914] [Citation(s) in RCA: 291] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vyacheslav S. Bryantsev
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
| | - Vincent Giordani
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
| | - Wesley Walker
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
| | - Mario Blanco
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
| | - Strahinja Zecevic
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
| | - Kenji Sasaki
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
| | - Jasim Uddin
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
| | - Dan Addison
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
| | - Gregory V. Chase
- Liox Power, Inc., 129 North Hill Avenue, Suite 103, Pasadena, California 91106, United States
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Singh SK, Singh KN. An Efficient and Mild Deprotection of 1,3-Oxathiolanes to Carbonyl Compounds Using the Superoxide Ion. PHOSPHORUS SULFUR 2009. [DOI: 10.1080/10426500802465850] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Satish Kumar Singh
- a Department of Chemistry, Faculty of Science , Banaras Hindu University , Varanasi, India
| | - Krishna Nand Singh
- a Department of Chemistry, Faculty of Science , Banaras Hindu University , Varanasi, India
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Singh KN. Mild and Convenient Synthesis of Organic Carbamates from Amines and Carbon Dioxide using Tetraethylammonium Superoxide. SYNTHETIC COMMUN 2007. [DOI: 10.1080/00397910701465149] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Raghuvanshi RS, Singh KN. Mild and Efficient Method for Oxidative Deprotection of Trimethylsilyl Ethers Mediated by Tetraethylammonium Superoxide. SYNTHETIC COMMUN 2007. [DOI: 10.1080/00397910701228604] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- R. S. Raghuvanshi
- a Department of Applied Chemistry , Institute of Technology, Banaras Hindu University , Varanasi, India
| | - K. N. Singh
- a Department of Applied Chemistry , Institute of Technology, Banaras Hindu University , Varanasi, India
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Raghuvanshi RS, Singh KN. Superoxide‐Mediated Regioselective Deblocking of the Tosyl Group from N‐Tosylcarboxamides. SYNTHETIC COMMUN 2006. [DOI: 10.1080/00397910600775416] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Singh S, Singh KN. Superoxide‐Mediated Synthesis ofN‐Aminoaziridines fromN‐Aminoheterocycles and Olefins. SYNTHETIC COMMUN 2006. [DOI: 10.1080/00397910500214185] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- S. Singh
- a Department of Applied Chemistry , Institute of Technology, Banaras Hindu University , Varanasi , India
| | - K. N. Singh
- a Department of Applied Chemistry , Institute of Technology, Banaras Hindu University , Varanasi , India
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