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Zhang C, Liu F, Zhang Y, Song C. Macrocycles and macrocyclization in anticancer drug discovery: Important pieces of the puzzle. Eur J Med Chem 2024; 268:116234. [PMID: 38401189 DOI: 10.1016/j.ejmech.2024.116234] [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: 11/17/2023] [Revised: 02/10/2024] [Accepted: 02/11/2024] [Indexed: 02/26/2024]
Abstract
Increasing disease-related proteins have been identified as novel therapeutic targets. Macrocycles are emerging as potential solutions, bridging the gap between conventional small molecules and biomacromolecules in drug discovery. Inspired by successful macrocyclic drugs of natural origins, macrocycles are attracting more attention for enhanced binding affinity and target selectivity. Due to the conformation constraint and structure preorganization, macrocycles can reach bioactive conformations more easily than parent acyclic compounds. Also, rational macrocyclization combined with sequent structural modification will help improve oral bioavailability and combat drug resistance. This review introduces various strategies to enhance membrane permeability in macrocyclization and subsequent modification, such as N-methylation, intramolecular hydrogen bonding modulation, isomerization, and reversible bicyclization. Several case studies highlight macrocyclic inhibitors targeting kinases, HDAC, and protein-protein interactions. Finally, some macrocyclic agents targeting tumor microenvironments are illustrated.
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Affiliation(s)
- Chao Zhang
- Laboratory for Food and Medicine Homologous Natural Resources Development and Utilization, Belgorod College of Food Sciences, Dezhou University, Dezhou, 253023, China
| | - Fenfen Liu
- Laboratory for Food and Medicine Homologous Natural Resources Development and Utilization, Belgorod College of Food Sciences, Dezhou University, Dezhou, 253023, China
| | - Youming Zhang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, China.
| | - Chun Song
- Laboratory for Food and Medicine Homologous Natural Resources Development and Utilization, Belgorod College of Food Sciences, Dezhou University, Dezhou, 253023, China; State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, China.
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Goel KK, Thapliyal S, Kharb R, Joshi G, Negi A, Kumar B. Imidazoles as Serotonin Receptor Modulators for Treatment of Depression: Structural Insights and Structure-Activity Relationship Studies. Pharmaceutics 2023; 15:2208. [PMID: 37765177 PMCID: PMC10535231 DOI: 10.3390/pharmaceutics15092208] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/13/2023] [Accepted: 08/19/2023] [Indexed: 09/29/2023] Open
Abstract
Serotoninergic signaling is identified as a crucial player in psychiatric disorders (notably depression), presenting it as a significant therapeutic target for treating such conditions. Inhibitors of serotoninergic signaling (especially selective serotonin reuptake inhibitors (SSRI) or serotonin and norepinephrine reuptake inhibitors (SNRI)) are prominently selected as first-line therapy for the treatment of depression, which benefits via increasing low serotonin levels and norepinephrine by blocking serotonin/norepinephrine reuptake and thereby increasing activity. While developing newer heterocyclic scaffolds to target/modulate the serotonergic systems, imidazole-bearing pharmacophores have emerged. The imidazole-derived pharmacophore already demonstrated unique structural characteristics and an electron-rich environment, ultimately resulting in a diverse range of bioactivities. Therefore, the current manuscript discloses such a specific modification and structural activity relationship (SAR) of attempted derivatization in terms of the serotonergic efficacy of the resultant inhibitor. We also featured a landscape of imidazole-based development, focusing on SAR studies against the serotoninergic system to target depression. This study covers the recent advancements in synthetic methodologies for imidazole derivatives and the development of new molecules having antidepressant activity via modulating serotonergic systems, along with their SAR studies. The focus of the study is to provide structural insights into imidazole-based derivatives as serotonergic system modulators for the treatment of depression.
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Affiliation(s)
- Kapil Kumar Goel
- Department of Pharmaceutical Sciences, Gurukul Kangri (Deemed to Be University), Haridwar 249404, Uttarakhand, India
| | - Somesh Thapliyal
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Srinagar Garhwal 246174, Uttarakhand, India (G.J.)
| | - Rajeev Kharb
- Amity Institute of Pharmacy, Amity University, Noida 201313, Uttar Pradesh, India
| | - Gaurav Joshi
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Srinagar Garhwal 246174, Uttarakhand, India (G.J.)
| | - Arvind Negi
- Department of Bioproduct and Biosystems, Aalto University, 02150 Espoo, Finland
| | - Bhupinder Kumar
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Srinagar Garhwal 246174, Uttarakhand, India (G.J.)
- Department of Chemistry, Graphic Era (Deemed to Be University), Dehradun 248002, Uttarakhand, India
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Wang G, Xu L, Chen H, Liu Y, Pan P, Hou T. Recent advances in computational studies on voltage‐gated sodium channels: Drug design and mechanism studies. WIRES COMPUTATIONAL MOLECULAR SCIENCE 2023. [DOI: 10.1002/wcms.1641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- Gaoang Wang
- Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University College of Pharmaceutical Sciences, Zhejiang University Hangzhou Zhejiang China
| | - Lei Xu
- Institute of Bioinformatics and Medical Engineering School of Electrical and Information Engineering, Jiangsu University of Technology Changzhou Jiangsu China
| | - Haiyi Chen
- Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University College of Pharmaceutical Sciences, Zhejiang University Hangzhou Zhejiang China
| | - Yifei Liu
- Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University College of Pharmaceutical Sciences, Zhejiang University Hangzhou Zhejiang China
| | - Peichen Pan
- Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University College of Pharmaceutical Sciences, Zhejiang University Hangzhou Zhejiang China
| | - Tingjun Hou
- Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University College of Pharmaceutical Sciences, Zhejiang University Hangzhou Zhejiang China
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Negi A, Kesari KK, Voisin-Chiret AS. Estrogen Receptor-α Targeting: PROTACs, SNIPERs, Peptide-PROTACs, Antibody Conjugated PROTACs and SNIPERs. Pharmaceutics 2022; 14:pharmaceutics14112523. [PMID: 36432713 PMCID: PMC9699327 DOI: 10.3390/pharmaceutics14112523] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Targeting selective estrogen subtype receptors through typical medicinal chemistry approaches is based on occupancy-driven pharmacology. In occupancy-driven pharmacology, molecules are developed in order to inhibit the protein of interest (POI), and their popularity is based on their virtue of faster kinetics. However, such approaches have intrinsic flaws, such as pico-to-nanomolar range binding affinity and continuous dosage after a time interval for sustained inhibition of POI. These shortcomings were addressed by event-driven pharmacology-based approaches, which degrade the POI rather than inhibit it. One such example is PROTACs (Proteolysis targeting chimeras), which has become one of the highly successful strategies of event-driven pharmacology (pharmacology that does the degradation of POI and diminishes its functions). The selective targeting of estrogen receptor subtypes is always challenging for chemical biologists and medicinal chemists. Specifically, estrogen receptor α (ER-α) is expressed in nearly 70% of breast cancer and commonly overexpressed in ovarian, prostate, colon, and endometrial cancer. Therefore, conventional hormonal therapies are most prescribed to patients with ER + cancers. However, on prolonged use, resistance commonly developed against these therapies, which led to selective estrogen receptor degrader (SERD) becoming the first-line drug for metastatic ER + breast cancer. The SERD success shows that removing cellular ER-α is a promising approach to overcoming endocrine resistance. Depending on the mechanism of degradation of ER-α, various types of strategies of developed.
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Affiliation(s)
- Arvind Negi
- Department of Bioproduct and Biosystems, Aalto University, 00076 Espoo, Finland
- Correspondence: or (A.N.); or (K.K.K.); (A.S.V.-C.)
| | - Kavindra Kumar Kesari
- Department of Bioproduct and Biosystems, Aalto University, 00076 Espoo, Finland
- Department of Applied Physics, School of Science, Aalto University, 02150 Espoo, Finland
- Correspondence: or (A.N.); or (K.K.K.); (A.S.V.-C.)
| | - Anne Sophie Voisin-Chiret
- CERMN (Centre d’Etudes et de Recherche sur le Médicament de Normandie), Normandie University UNICAEN, 14000 Caen, France
- Correspondence: or (A.N.); or (K.K.K.); (A.S.V.-C.)
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Natural Products as Mcl-1 Inhibitors: A Comparative Study of Experimental and Computational Modelling Data. CHEMISTRY 2022. [DOI: 10.3390/chemistry4030067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The human myeloid leukemia cell differentiation protein (hMcl-1) is an anti-apoptotic multi-partner protein, belonging to the B-cell lymphoma-2 (Bcl-2) family of proteins. Studies have linked hMcl-1 alleviated expression with resistance to hemopoietic chemotherapeutics, which makes it a key drug target in blood cancers. However, most of the developed small- to medium-sized hMcl-1 inhibitors have typical off-target activity towards other members of the Bcl-2 family. To improve the hMcl-1 inhibitor design, especially exploring a suitable scaffold with pharmacophoric features, we focused on natural hMcl-1 inhibitors. To date, seven classes of natural compounds have been isolated, which display a low micromolar affinity for hMcl-1 and have limited biophysical studies. We screened hMcl-1 co-crystal structures, and identified nine co-crystal structures of hMcl-1 protein, which were later evaluated by multiple receptor conformations (which indicates that the differences between hMcl-1 in crystal structures are low (RMSD values between 0.52 and 1.13 Å, average RMSD of 0.638–0.888 Å, with a standard deviation of 0.102–0.185Å)), and multiple ligand conformations (which led to the selection of the PDB structure, 3WIX (RMSD value = 0.879 Å, standard deviation 0.116 Å), to accommodate various Mcl-1 ligands from a range of co-crystal PDB files) methods. Later, the three adopted docking methods were assessed for their ability to reproduce the conformation bound to the crystal as well as predict trends in Ki values based on calculated RMSD and docking energies. Iterative docking and clustering of the docked pose within ≤1.0 Å was used to evaluate the reproducibility of the adopted docking methods and compared with their experimentally determined hMcl-1 affinity data.
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Ayipo YO, Alananzeh WA, Ahmad I, Patel H, Mordi MN. Structural modelling and in silico pharmacology of β-carboline alkaloids as potent 5-HT1A receptor antagonists and reuptake inhibitors. J Biomol Struct Dyn 2022:1-17. [PMID: 35881145 DOI: 10.1080/07391102.2022.2104376] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Serotonin (5-HT) antagonists and reuptake inhibitors (SARIs) are atypical antidepressants for managing major depressive disorder. They are oftentimes applied as adjuvants for ameliorating aftereffects of SSRI antidepressants including insomnia and sexual dysfunction. The few available candidates of this class including lorpiprazole and trazodone also display some daunting side effects, making a continuous search for improved alternatives essential. Natural β-carboline alkaloids (NβCs) are interestingly renowned with broad pharmacological spectrum against several neuropsychiatric disorders including depression. However, their potentials as SARIs remain underexplored. In this study, 982 NβCs retrieved from the Ambinter-Greenpharma (Amb) database were virtually screened for potent SARI alternatives using computational and biocheminformatics approaches: homology modelling of 5-HT1A receptor, Glide HTVS, SP and XP molecular docking, molecular dynamics (MD) simulation, ADMET and mutagenicity predictions. The homology receptor was validated as a good representative of human 5HT1A receptor using the RCSB structure validation and quality protocols. From the virtual screening against the 5-HT1A receptor, Amb ligands, Amb18709727 and Amb37857532 showed higher binding affinities by XP scores of -8.725 and -7.976 kcal/mol, and MMGBSA of -87.972 and -107.585 kcal/mol respectively compared to lorpiprazole, a reference SARI with XP score and MMGBSA of -6.512 and -62.788 kcal/mol respectively. They maintained ideal contacts with pharmacologically essential amino acid residues implicated in SARI mechanisms and expressed higher stability and compactness than lorpiprazole throughout the trajectories of 100 ns MD simulation. They also displayed interesting ADME, druggability, low toxicity and mutagenicity profiles, ideal for CNS drug prospects, thus, recommended as putative SARI candidates for further study.
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Affiliation(s)
- Yusuf Oloruntoyin Ayipo
- Centre for Drug Research, Universiti Sains Malaysia, USM, Pulau Pinang, Malaysia.,Department of Chemistry and Industrial Chemistry, Kwara State University, Malete, Ilorin, Nigeria
| | - Waleed A Alananzeh
- Centre for Drug Research, Universiti Sains Malaysia, USM, Pulau Pinang, Malaysia
| | - Iqrar Ahmad
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra, India
| | - Harun Patel
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra, India
| | - Mohd Nizam Mordi
- Centre for Drug Research, Universiti Sains Malaysia, USM, Pulau Pinang, Malaysia
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Negi A, Voisin-Chiret AS. Strategies to reduce the On-target Platelet Toxicity of Bcl-xL Inhibitors: PROTACs, SNIPERs and Prodrug-based approaches. Chembiochem 2022; 23:e202100689. [PMID: 35263486 PMCID: PMC9311450 DOI: 10.1002/cbic.202100689] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 03/08/2022] [Indexed: 11/07/2022]
Abstract
Apoptosis is a highly regulated cellular process. Any alteration in apoptosis signaling results in disease states. Therefore, apoptosis proteins are prime targets in various therapies. Bcl-x L is an anti-apoptotic protein that prevents cellular apoptosis. Compared to other antiapoptotic proteins, expression of Bcl-x L is commonly observed in solid tumors and to an extent to some leukemias and lymphomas. Also, its overexpression is linked with survival, acquired resistance to other chemotherapeutics in cancer as well as in senescent cells, making it a potent anticancer and senolytic target. Therefore, various nanomolar range Bcl-x L inhibitors were studied. To a success, ABT-263 was identified as a Bcl-x L /Bcl-2 dual inhibitor but failed in the clinical trial (phase-II), due to on-target platelet toxicity, implying an expression of Bcl-x L protein is essential for human platelet survival. However, most of the presented designs of Bcl-x L inhibitors were based on conventional medicinal chemistry approaches using occupancy-derived pharmacology, therefore, other approaches were investigated. Most of the approaches developed to overcome the on-target platelet toxicity of Bcl-x L inhibitors were based on event-based pharmacology, such as pr oteolysis ta rgeting c himeras (PROTACs) and SNIPERs ( s pecific n on-genetic I AP-based p rotein er asers). However, PROTACs take advantage of 600 E3-ligases that are expressed differently based on cell type and, importantly less expressed in platelets. This paper also discussed the approaches that utilized the concept of the prodrugs, such as antibody-drug conjugates, phosphate prodrugs, dendrimer conjugate, and glycosylated conjugate. Various studies such as in vitro , in vivo , structure-activity relationship, and biophysical characterization of each inhibitor retrieved from these strategies are timely discussed in the paper.
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Affiliation(s)
- Arvind Negi
- Aalto-yliopisto, Bioproducts and Biosystems, Vuorimiehentie 1, 02150 Espoo Finland, 00530, Helsinki, FINLAND
| | - Anne Sophie Voisin-Chiret
- Caen University: Universite de Caen Normandie, Centre d' etudes et de recherche sur le medicament de normandie, FRANCE
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Xi J, Yao L, Zhang R, Chen K, Li M, Zhang D, Cui M, Nie H, Wang P, Li X, Jiang R. 2-oxy-3-phenylacrylic acid derivatives as potent Mcl-1 inhibitors for treatment of cancer. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Fox KA, Chadda R, Cardona F, Barron S, McArdle P, Murphy PV. Building blocks from monosaccharides for synthesis of scaffolds, including macrocycles. Application of allylic azide rearrangement, azide-alkyne cycloaddition and ring closing metathesis. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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(2S,3R,6R)-2-[(R)-1-Hydroxyallyl]-4,4-dimethoxy-6-methyltetrahydro-2H-pyran-3-ol. MOLBANK 2020. [DOI: 10.3390/m1140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
(2S,3R,6R)-2-[(R)-1-Hydroxyallyl]-4,4-dimethoxy-6-methyltetrahydro-2H-pyran-3-ol was isolated in 18% after treating the glucose derived (5R,6S,7R)-5,6,7-tris[(triethylsilyl)oxy]nona-1,8-dien-4-one with (1S)-(+)-10-camphorsulfonic acid (CSA). The one-pot formation of the title compound involved triethylsilyl (TES) removal, alkene isomerization, intramolecular conjugate addition and ketal formation. The compound was characterized by 1H and 13C NMR spectroscopy, ESI mass spectrometry and IR spectroscopy. NMR spectroscopy was used to establish the product structure, including the conformation of its tetrahydropyran ring.
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