1
|
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.
Collapse
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.
| |
Collapse
|
2
|
Doddagaddavalli MA, Kalalbandi VKA, Seetharamappa J, Joshi SD. New thiophene-1,3,4-oxadiazole-thiazolidine-2,4-dione hybrids: Synthesis, MCF-7 inhibition and binding studies. Bioorg Chem 2024; 143:107003. [PMID: 38029570 DOI: 10.1016/j.bioorg.2023.107003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 11/23/2023] [Indexed: 12/01/2023]
Abstract
Two synthetic methods were proposed for the preparation of a new series of thiophene-1,3,4-oxadiazole-thiazolidine-2,4-dione hybrids (TOT-1 to 15) and their structures were elucidated based on spectral data. Studies on cytotoxicity, ROS, cellular uptake and interactions of TOT-14 with calf thymus DNA were carried out. Anticancer activity of compounds, TOT-1 to 15 on breast cancer (MCF-7) cell lines was investigated. The IC50 values for the standard, epirubicin hydrochloride and TOT-12, 13, 14 and 15 were found to be 6.78, 5.52, 6.53, 4.83 and 5.57 µg/mL, respectively. Notably, TOT-14 exhibited a remarkable antiproliferative activity with a strikingly selective inhibitory effect compared to standard. This specific selectivity could be attributed to the synergistic effect of increased cellular uptake and generation of higher ROS in cancer cells after irradiation. The binding constant of 4.25 x 103 M-1 indicated the moderate interaction between TOT-14 and ct-DNA. The docking score of TOT derivativeswas substantially identical to the docking score of epirubicin hydrochloride. The designed molecules complied with the requirements for drug-likeness and ADME.
Collapse
Affiliation(s)
| | | | | | - Shrinivas D Joshi
- Department of Pharmaceutical Chemistry, SET's College of Pharmacy, Dharwad 580 002, India
| |
Collapse
|
3
|
Zhong CR, Zhang YH, Yao G, Zhu HL, Hu YD, Zeng ZG, Liao CZ, He HT, Luo YT, Xiong J. Synthesis of Imidazo[1,2- a]pyridine-Fused 1,3-Benzodiazepine Derivatives with Anticancer Activity via a One-Pot Cascade GBB-3CR/Pd(II)-Catalyzed Azide-Isocyanide Coupling/Cyclization Process. J Org Chem 2023; 88:13125-13134. [PMID: 37616489 DOI: 10.1021/acs.joc.3c01341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
A new one-pot synthesis of imidazo[1,2-a]pyridine-fused 1,3-benzodiazepine derivatives via a sequential GBB-3CR/Pd(II)-catalyzed azide-isocyanide coupling/cyclization process was developed. The Groebke-Blackburn-Bienaymé three-component reactions (GBB-3CR) of 2-aminopyridine, 2-azidobenzaldehydes, and isocyanides in the presence of a catalytic amount of p-toluenesulfonic acid gave azide intermediates without separation. The reaction was followed by using another molecule of isocyanides to produce imidazo[1,2-a]pyridine-fused 1,3-benzodiazepine derivatives in good yields by the Pd(II)-catalyzed azide-isocyanide coupling/cyclization reaction. The synthetic approach produces novel nitrogen-fused polycyclic heterocycles under mild reaction conditions. The preliminary biological evaluation demonstrated that compound 6a inhibited glioma cells efficiently, suggesting potentially broad applications of the approach for synthesis and medicinal chemistry.
Collapse
Affiliation(s)
- Cheng-Ran Zhong
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Yang-Hong Zhang
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Gang Yao
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Hai-Li Zhu
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Yin-Di Hu
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Zhi-Gang Zeng
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Chang-Zhou Liao
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Hui-Ting He
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Ya-Ting Luo
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| | - Jun Xiong
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100 Hubei, P. R. China
| |
Collapse
|
4
|
Vinoth P, Karuppasamy M, Gupta A, Nagarajan S, Maheswari CU, Sridharan V. Intramolecular oxypalladation-initiated domino sequence: One-pot, two-step regioselective synthesis of isoquinolines. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
|
5
|
Saeedi S, Rahmati A, Chavoshpour-Natanzi Z. Synthesis of pyrazolo[5′,1′:2,3]imidazo[1,5- c]quinazolin-6(5 H)-ones and molecular docking study of their affinity against the COVID-19 main protease. RSC Adv 2022; 12:19579-19589. [PMID: 35919373 PMCID: PMC9264878 DOI: 10.1039/d2ra03179e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 06/23/2022] [Indexed: 01/13/2023] Open
Abstract
A novel series of fused pyrazolo[5′,1′:2,3]imidazo[1,5-c]quinazolin-6(5H)-ones were synthesized and their affinity against the COVID-19 main protease was investigated using molecular docking study and compared to that of some used clinical drugs.
Collapse
Affiliation(s)
- Shaghayegh Saeedi
- Department of Chemistry, University of Isfahan, P. O. Box 81746-73441, Isfahan, Iran
| | - Abbas Rahmati
- Department of Chemistry, University of Isfahan, P. O. Box 81746-73441, Isfahan, Iran
| | | |
Collapse
|