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Zhang Y, Shaabani S, Vowinkel K, Trombetta-Lima M, Sabogal-Guáqueta AM, Chen T, Hoekstra J, Lembeck J, Schmidt M, Decher N, Dömling A, Dolga AM. Novel SK channel positive modulators prevent ferroptosis and excitotoxicity in neuronal cells. Biomed Pharmacother 2024; 171:116163. [PMID: 38242037 DOI: 10.1016/j.biopha.2024.116163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/07/2024] [Accepted: 01/11/2024] [Indexed: 01/21/2024] Open
Abstract
Small conductance calcium-activated potassium (SK) channel activity has been proposed to play a role in the pathology of several neurological diseases. Besides regulating plasma membrane excitability, SK channel activation provides neuroprotection against ferroptotic cell death by reducing mitochondrial Ca2+ uptake and reactive oxygen species (ROS). In this study, we employed a multifaceted approach, integrating structure-based and computational techniques, to strategically design and synthesize an innovative class of potent small-molecule SK2 channel modifiers through highly efficient multicomponent reactions (MCRs). The compounds' neuroprotective activity was compared with the well-studied SK positive modulator, CyPPA. Pharmacological SK channel activation by selected compounds confers neuroprotection against ferroptosis at low nanomolar ranges compared to CyPPA, that mediates protection at micromolar concentrations, as shown by an MTT assay, real-time cell impedance measurements and propidium iodide staining (PI). These novel compounds suppress increased mitochondrial ROS and Ca2+ level induced by ferroptosis inducer RSL3. Moreover, axonal degeneration was rescued by these novel SK channel activators in primary mouse neurons and they attenuated glutamate-induced neuronal excitability, as shown via microelectrode array. Meanwhile, functional afterhyperpolarization of the novel SK2 channel modulators was validated by electrophysiological measurements showing more current change induced by the novel modulators than the reference compound, CyPPA. These data support the notion that SK2 channel activation can represent a therapeutic target for brain diseases in which ferroptosis and excitotoxicity contribute to the pathology.
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Affiliation(s)
- Yuequ Zhang
- Department of Molecular Pharmacology, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands
| | - Shabnam Shaabani
- Department of Drug Design, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands
| | - Kirsty Vowinkel
- Institute of Physiology and Pathophysiology, Vegetative Physiology, University of Marburg, 35037 Marburg, Germany
| | - Marina Trombetta-Lima
- Department of Pharmaceutical Technologies and Biopharmacy, Research Institute of Pharmacy, University of Groningen, the Netherlands
| | | | - Tingting Chen
- Department of Molecular Pharmacology, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands
| | - Jan Hoekstra
- Department of Drug Design, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands
| | - Jan Lembeck
- Department of Drug Design, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands
| | - Martina Schmidt
- Department of Molecular Pharmacology, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands
| | - Niels Decher
- Institute of Physiology and Pathophysiology, Vegetative Physiology, University of Marburg, 35037 Marburg, Germany
| | - Alexander Dömling
- Department of Drug Design, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands.
| | - Amalia M Dolga
- Department of Molecular Pharmacology, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands.
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Fragkiadakis M, Anastasiou PK, Zingiridis M, Triantafyllou-Rundell ME, Reyes Romero A, Stoumpos CC, Neochoritis CG. Instant Macrocyclizations via Multicomponent Reactions. J Org Chem 2023; 88:12709-12715. [PMID: 37596972 DOI: 10.1021/acs.joc.3c01379] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/21/2023]
Abstract
Macrocycles fascinate chemists due to both their structure and their applications. However, we still lack efficient and sustainable synthetic methods, giving us straightforward access to them. Herein, a rapid macrocyclization utilizing a two-step, one-pot approach based on orthogonal multicomponent reaction (MCR) tactics is introduced. This synthetic protocol, which is based on Ugi and Groebke-Blackburn-Bienaymé reactions with isocyanides tethered to alkyl tosylates, yields medium sized macrocycles that are otherwise difficult to achieve. Single crystal structures reveal conformational reorganization via intramolecular hydrogen bonding, and modeling studies profile the synthesized libraries.
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Affiliation(s)
| | | | - Marios Zingiridis
- Department of Chemistry, University of Crete, Voutes, 70013 Heraklion, Greece
| | | | - Atilio Reyes Romero
- Genetic Intelligence Laboratory, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar
- Department of Genetic Medicine, Weill Cornell Medicine, P.O. Box 24144, New York, New York 10065, United States
| | - Constantinos C Stoumpos
- Department of Materials Science & Technology, University of Crete, Voutes, 70013 Heraklion, Greece
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Graziano G, Stefanachi A, Contino M, Prieto-Díaz R, Ligresti A, Kumar P, Scilimati A, Sotelo E, Leonetti F. Multicomponent Reaction-Assisted Drug Discovery: A Time- and Cost-Effective Green Approach Speeding Up Identification and Optimization of Anticancer Drugs. Int J Mol Sci 2023; 24:ijms24076581. [PMID: 37047554 PMCID: PMC10095429 DOI: 10.3390/ijms24076581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
Multicomponent reactions (MCRs) have emerged as a powerful strategy in synthetic organic chemistry due to their widespread applications in drug discovery and development. MCRs are flexible transformations in which three or more substrates react to form structurally complex products with high atomic efficiency. They are being increasingly appreciated as a highly exploratory and evolutionary tool by the medicinal chemistry community, opening the door to more sustainable, cost-effective and rapid synthesis of biologically active molecules. In recent years, MCR-based synthetic strategies have found extensive application in the field of drug discovery, and several anticancer drugs have been synthesized through MCRs. In this review, we present an overview of representative and recent literature examples documenting different approaches and applications of MCRs in the development of new anticancer drugs.
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Affiliation(s)
- Giovanni Graziano
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
- Center for Research in Biological Chemistry and Molecular Materials (CiQUS), Department of Organic Chemistry, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Angela Stefanachi
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
| | - Marialessandra Contino
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
| | - Rubén Prieto-Díaz
- Center for Research in Biological Chemistry and Molecular Materials (CiQUS), Department of Organic Chemistry, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Alessia Ligresti
- Institute of Biomolecular Chemistry, National Research Council of Italy, 80078 Pozzuoli, Italy
| | - Poulami Kumar
- Institute of Biomolecular Chemistry, National Research Council of Italy, 80078 Pozzuoli, Italy
| | - Antonio Scilimati
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
| | - Eddy Sotelo
- Center for Research in Biological Chemistry and Molecular Materials (CiQUS), Department of Organic Chemistry, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Francesco Leonetti
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
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Diaza-1,3-butadienes as Useful Intermediate in Heterocycles Synthesis. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196708. [PMID: 36235245 PMCID: PMC9573662 DOI: 10.3390/molecules27196708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 11/05/2022]
Abstract
Many heterocyclic compounds can be synthetized using diaza-1,3-butadienes (DADs) as key structural precursors. Isolated and in situ diaza-1,3-butadienes, produced from their respective precursors (typically imines and hydrazones) under a variety of conditions, can both react with a wide range of substrates in many kinds of reactions. Most of these reactions discussed here include nucleophilic additions, Michael-type reactions, cycloadditions, Diels–Alder, inverse electron demand Diels–Alder, and aza-Diels–Alder reactions. This review focuses on the reports during the last 10 years employing 1,2-diaza-, 1,3-diaza-, 2,3-diaza-, and 1,4-diaza-1,3-butadienes as intermediates to synthesize heterocycles such as indole, pyrazole, 1,2,3-triazole, imidazoline, pyrimidinone, pyrazoline, -lactam, and imidazolidine, among others. Fused heterocycles, such as quinazoline, isoquinoline, and dihydroquinoxaline derivatives, are also included in the review.
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Zheng Q, Li X, Kurpiewska K, Dömling A. Synthesis of Tunable Fluorescent Imidazole-Fused Heterocycle Dimers. Org Lett 2022; 24:5014-5017. [PMID: 35830622 PMCID: PMC9490819 DOI: 10.1021/acs.orglett.2c01642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
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A short, concise, and one-pot synthesis of imidazo-fused
heterocycle
dimers with tunable fluorescent properties has been developed. By
the first time use of glyoxal dimethyl acetal in the Groebke–Blackburn–Bienaymé
(GBB) three-component reaction (3CR), the innovation features a new
series of fluorescence-tunable imidazo-fused heterocycle dimers exhibiting
a broad substrate scope with good yields. Luminescence studies demonstrate
that these GBB-dimers possess color-tunable properties, and their
emission colors can be successively changed from blue to green and
yellow by easy substituent control.
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Affiliation(s)
- Qiang Zheng
- University of Groningen, Department of Drug Design, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Xin Li
- University of Groningen, Department of Drug Design, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Katarzyna Kurpiewska
- Department of Crystal Chemistry and Crystal Physics, Faculty of Chemistry, Jagiellonian University, 30-387 Kraków, Poland
| | - Alexander Dömling
- University of Groningen, Department of Drug Design, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands
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Dömling A, Neochoritis CG, Lei X, Thomaidi M, Angeli GK. Fluorene-Based Multicomponent Reactions. Synlett 2021. [DOI: 10.1055/a-1471-9080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AbstractFluorene and fluorenone are privileged structures with extensive utility in both materials science and drug discovery. Here, we describe syntheses of those moieties through isocyanide-based multicomponent reactions (IMCRs) and the incorporation of the products in diverse and complex derivatives that can be further utilized. We performed six different IMCRs, based on the dual functionality of 9-isocyano-9H-fluorene, and we describe 23 unprecedented adducts.
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Affiliation(s)
| | | | - Xiaofang Lei
- Department of Chemistry, University of Crete
- Department of Pharmacy, Drug Design Group, University of Groningen
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