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Morez M, Lara Ordóñez AJ, Melnyk P, Liberelle M, Lebègue N, Taymans JM. Leucine-rich repeat kinase 2 (LRRK2) inhibitors for Parkinson's disease: a patent review of the literature to date. Expert Opin Ther Pat 2024; 34:773-788. [PMID: 39023243 DOI: 10.1080/13543776.2024.2378076] [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: 04/26/2024] [Accepted: 07/04/2024] [Indexed: 07/20/2024]
Abstract
INTRODUCTION Nearly two decades after leucine rich repeat kinase 2 (LRRK2) was discovered as a genetic determinant of Parkinson's disease (PD), LRRK2 has emerged a priority therapeutic target in PD and inhibition of its activity is hypothesized to be beneficial. AREAS COVERED LRRK2 targeting agents, in particular kinase inhibitors and agents reducing LRRK2 expression show promise in model systems and have progressed to phase I and phase II clinical testing for PD. Several additional targeting strategies for LRRK2 are emerging, based on promoting specific 'healthy' LRRK2 quaternary structures, heteromeric complexes and conformations. EXPERT OPINION It can be expected that LRRK2 targeting strategies may proceed to phase III clinical testing for PD in the next five years, allowing the field to discover the real clinical value of LRRK2 targeting strategies.
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Affiliation(s)
- Margaux Morez
- University Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience & Cognition, Lille, France
| | | | - Patricia Melnyk
- University Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience & Cognition, Lille, France
| | - Maxime Liberelle
- University Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience & Cognition, Lille, France
| | - Nicolas Lebègue
- University Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience & Cognition, Lille, France
| | - Jean-Marc Taymans
- University Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience & Cognition, Lille, France
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2
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Tang X, Hou K, Chen X, Fan W, Wu H, Lu C, He GX. Discovery of macrocyclic covalent inhibitors for severe acute respiratory syndrome coronavirus 2 3CL protease. Bioorg Med Chem 2024; 111:117846. [PMID: 39106653 DOI: 10.1016/j.bmc.2024.117846] [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: 06/04/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 08/09/2024]
Abstract
The coronavirus disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been spread worldwide for more than 3 years. Although the hospitalization rate and mortality have decreased dramatically due to wide vaccination effort and improved treatment options, the disease is still a global health issue due to constant viral mutations, causing negative impact on social and economic activities. In addition, long COVID and complications arising from COVID-19 weeks after infection have become a concern for public health experts. Therefore, better treatments for COVID-19 are still needed. Herein, we describe a class of macrocyclic peptidomimetic compounds that are potent inhibitors of SARS-Cov-2 3CL protease (3CLpro). Significantly, some of the compounds showed a higher stability against human liver microsomes (HLM t1/2 > 180 min) and may be suitable for oral administration without the need for a pharmacokinetic (PK) boosting agent such as ritonavir.
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Affiliation(s)
- Xiubo Tang
- Shanghai CureGene Pharmaceutical Co., Ltd, 2nd floor, Building C1, No. 1976 middle Gaoke Road, ZhangJiang Hitech Park, Pudong, Shanghai 201210, China.
| | - Kai Hou
- Shanghai CureGene Pharmaceutical Co., Ltd, 2nd floor, Building C1, No. 1976 middle Gaoke Road, ZhangJiang Hitech Park, Pudong, Shanghai 201210, China
| | - Xiaowu Chen
- Shanghai CureGene Pharmaceutical Co., Ltd, 2nd floor, Building C1, No. 1976 middle Gaoke Road, ZhangJiang Hitech Park, Pudong, Shanghai 201210, China
| | - Wenyuan Fan
- Shanghai CureGene Pharmaceutical Co., Ltd, 2nd floor, Building C1, No. 1976 middle Gaoke Road, ZhangJiang Hitech Park, Pudong, Shanghai 201210, China
| | - Hao Wu
- Shanghai CureGene Pharmaceutical Co., Ltd, 2nd floor, Building C1, No. 1976 middle Gaoke Road, ZhangJiang Hitech Park, Pudong, Shanghai 201210, China
| | - Changliang Lu
- Shanghai CureGene Pharmaceutical Co., Ltd, 2nd floor, Building C1, No. 1976 middle Gaoke Road, ZhangJiang Hitech Park, Pudong, Shanghai 201210, China
| | - Gong-Xin He
- Shanghai CureGene Pharmaceutical Co., Ltd, 2nd floor, Building C1, No. 1976 middle Gaoke Road, ZhangJiang Hitech Park, Pudong, Shanghai 201210, China
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3
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Zhou Y, Kang J, Lu X. Targeting Solvent-Front Mutations for Kinase Drug Discovery: From Structural Basis to Design Strategies. J Med Chem 2024. [PMID: 39143914 DOI: 10.1021/acs.jmedchem.4c00361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
Solvent-front mutations have emerged as a common mechanism leading to acquired resistance to kinase inhibitors, representing a major challenge in the clinic. Several new-generation kinase inhibitors targeting solvent-front mutations have either been approved or advanced to clinical trials. However, there remains a need to discover effective, new-generation inhibitors. In this Perspective, we systematically summarize the general types of solvent-front mutations across the kinome and describe the development of inhibitors targeting some key solvent-front mutations. Additionally, we highlight the challenges and opportunities for the next generation of kinase inhibitors directed toward overcoming solvent-front mutations.
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Affiliation(s)
- Yang Zhou
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education, Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Jibo Kang
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education, Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Xiaoyun Lu
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education, Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
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4
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Gerninghaus J, Zhubi R, Krämer A, Karim M, Tran DHN, Joerger AC, Schreiber C, Berger LM, Berger BT, Ehret TAL, Elson L, Lenz C, Saxena K, Müller S, Einav S, Knapp S, Hanke T. Back-Pocket Optimization of 2-Aminopyrimidine-Based Macrocycles Leads to Potent EPHA2/GAK Kinase Inhibitors. J Med Chem 2024; 67:12534-12552. [PMID: 39028937 DOI: 10.1021/acs.jmedchem.4c00411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
Macrocyclization of acyclic compounds is a powerful strategy for improving inhibitor potency and selectivity. Here we have optimized 2-aminopyrimidine-based macrocycles to use these compounds as chemical tools for the ephrin kinase family. Starting with a promiscuous macrocyclic inhibitor, 6, we performed a structure-guided activity relationship and selectivity study using a panel of over 100 kinases. The crystal structure of EPHA2 in complex with the developed macrocycle 23 provided a basis for further optimization by specifically targeting the back pocket, resulting in compound 55, a potent inhibitor of EPHA2/A4 and GAK. Subsequent front-pocket derivatization resulted in an interesting in cellulo selectivity profile, favoring EPHA4 over the other ephrin receptor kinase family members. The dual EPHA2/A4 and GAK inhibitor 55 prevented dengue virus infection of Huh7 liver cells. However, further investigations are needed to determine whether this was a compound-specific effect or target-related.
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Affiliation(s)
- Joshua Gerninghaus
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Rezart Zhubi
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Andreas Krämer
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Marwah Karim
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, and Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Do Hoang Nhu Tran
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, and Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Andreas C Joerger
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Christian Schreiber
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Lena M Berger
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Benedict-Tilman Berger
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Theresa A L Ehret
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Lewis Elson
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Christopher Lenz
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Krishna Saxena
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Susanne Müller
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Shirit Einav
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, and Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, United States
- Chan Zuckerberg Biohub, 499 Illinois St, San Francisco, California 94158, United States
| | - Stefan Knapp
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
| | - Thomas Hanke
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue-Str. 9, Frankfurt am Main 60438, Germany
- Structural Genomics Consortium (SGC), Buchmann Institute for Life Sciences, Max-von-Laue-Str. 15, Frankfurt am Main 60438, Germany
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5
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Das S, Pradhan TK, Samanta R. Recent Progress on Transition Metal Catalyzed Macrocyclizations Based on C-H Bond Activation at Heterocyclic Scaffolds. Chem Asian J 2024:e202400397. [PMID: 38924294 DOI: 10.1002/asia.202400397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 06/19/2024] [Accepted: 06/22/2024] [Indexed: 06/28/2024]
Abstract
Macrocycles are essential in protein-protein interactions and the preferential intake of bioactive scaffolds. Macrocycles are commonly synthesized by late-stage macrolactonizations, macrolactamizations, transition metal-catalyzed ring-closing metathesis, S-S bond-forming reactions, and copper-catalyzed alkyne-azide cycloaddition. Recently, transition metal-catalyzed C-H activation strategies have gained significant interest among chemists to synthesize macrocycles. This article provides a comprehensive overview of the transition metal-catalyzed macrocyclization via C-H bond functionalization of heterocycle-containing peptides, annulations, and heterocycle-ring construction through direct C-H bond functionalization. In the first part, palladium salt catalyzed coupling with indolyl C(sp3)-H and C(sp2)-H bonds for macrocyclization is reported. The second part summarizes rhodium-catalyzed macrocyclizations via site-selective C-H bond functionalization. Earth-abundant, less toxic 3d metal salt Mn-catalyzed cyclizations are reported in the latter part. This summary is expected to spark interest in emerging methods of macrocycle production among organic synthesis and chemical biology practitioners, helping to develop the discipline. We hope that this mini-review will also inspire synthetic chemists to explore new and broadly applicable C-C bond-forming strategies for macrocyclization via intramolecular C-H activation.
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Affiliation(s)
- Sarbojit Das
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Tapan Kumar Pradhan
- Department of Chemistry, Krishnath College Berhampore, Murshidabad, West Bengal, 742101
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
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6
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Darlami O, Pun R, Ahn SH, Kim SH, Shin D. Macrocyclization strategy for improving candidate profiles in medicinal chemistry. Eur J Med Chem 2024; 272:116501. [PMID: 38754142 DOI: 10.1016/j.ejmech.2024.116501] [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: 04/06/2024] [Revised: 05/12/2024] [Accepted: 05/12/2024] [Indexed: 05/18/2024]
Abstract
Macrocycles are defined as cyclic compounds with 12 or more members. In medicinal chemistry, they are categorized based on their core chemistry into cyclic peptides and macrocycles. Macrocycles are advantageous because of their structural diversity and ability to achieve high affinity and selectivity towards challenging targets that are often not addressable by conventional small molecules. The potential of macrocyclization to optimize drug-like properties while maintaining adequate bioavailability and permeability has been emphasized as a key innovation in medicinal chemistry. This review provides a detailed case study of the application of macrocyclization over the past 5 years, starting from the initial analysis of acyclic active compounds to optimization of the resulting macrocycles for improved efficacy and drug-like properties. Additionally, it illustrates the strategic value of macrocyclization in contemporary drug discovery efforts.
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Affiliation(s)
- Om Darlami
- College of Pharmacy, Gachon University, Hambakmoe-ro 191, Yeunsu-gu, Incheon, 21935, Republic of Korea
| | - Rabin Pun
- College of Pharmacy, Gachon University, Hambakmoe-ro 191, Yeunsu-gu, Incheon, 21935, Republic of Korea
| | - Sung-Hoon Ahn
- College of Pharmacy, Kangwon National University, Gangwondaehak-gil 1, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Seok-Ho Kim
- College of Pharmacy, Kangwon National University, Gangwondaehak-gil 1, Chuncheon, Gangwon-do, 24341, Republic of Korea.
| | - Dongyun Shin
- College of Pharmacy, Gachon University, Hambakmoe-ro 191, Yeunsu-gu, Incheon, 21935, Republic of Korea.
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7
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Pon Matheswari P, Ilavarasi Jeyamalar J, Iruthayaraj A, Ravindran Durai Nayagam B. Synthesis, structural, multitargeted molecular docking analysis of anti-cancer, anti-tubercular, DNA interactions of benzotriazole based macrocyclic ligand. Bioorg Chem 2024; 147:107361. [PMID: 38613924 DOI: 10.1016/j.bioorg.2024.107361] [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: 02/19/2024] [Revised: 03/27/2024] [Accepted: 04/08/2024] [Indexed: 04/15/2024]
Abstract
Biologically important macromolecule 1, 1', 3, 3' Bis - [2,3,5,6-Tetramethyl-p-phenylenebis(methylene)] dibenzotriazlinium dibromide hydrate (BTD) was synthesized and characterized using FT-IR, NMR and single-crystal XRD (SCXRD). SCXRD revealed that the compound was crystallized as a monoclinic system and associated through weak intermolecular interactions like H-bonding and π- π stacking interactions. These weak intermolecular interactions in BTD were studied using Crystal Explorer and Gaussian. The calculated energies for the Highest Occupied Molecular Orbital (HOMO) and the Lowest Unoccupied Molecular Orbital (LUMO) showed the stability and reactivity of the title compound. Molecular electrostatic potential (MEP) surface analysis was used to investigate the crystal's nucleophilic and electrophilic reactive sites. The molecular shape and intermolecular interactions in the crystal structure were determined using Hirshfeld surface analysis and fingerprint plots. Anticancer, anti-bacterial and DNA binding ability of BTD were investigated by experimental and theoretical techniques. The obtained results suggest that BTD possesses better anti-cancer, anti-bacterial and DNA binding abilities. The mode of action of antibiotic and anticancer approach was discussed. This provides promising therapeutic advantages for further development.
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Affiliation(s)
- P Pon Matheswari
- Department of Chemistry and Research Centre, Pope's College (Autonomous), Sawyerpuram-628251, Affiliated to Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu 627012, India.
| | - J Ilavarasi Jeyamalar
- Department of Chemistry and Research Centre, Pope's College (Autonomous), Sawyerpuram-628251, Affiliated to Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu 627012, India
| | | | - B Ravindran Durai Nayagam
- Department of Chemistry and Research Centre, Pope's College (Autonomous), Sawyerpuram-628251, Affiliated to Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu 627012, India.
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8
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Zhu Q, Fu D, Ji Q, Yang Z. A Review of Macrocycles Applied in Electrochemical Energy Storge and Conversion. Molecules 2024; 29:2522. [PMID: 38893398 PMCID: PMC11173979 DOI: 10.3390/molecules29112522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/16/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
Macrocycles composed of diverse aromatic or nonaromatic structures, such as cyclodextrins (CDs), calixarenes (CAs), cucurbiturils (CBs), and pillararenes (PAs), have garnered significant attention due to their inherent advantages of possessing cavity structures, unique functional groups, and facile modification. Due to these distinctive features enabling them to facilitate ion insertion and extraction, form crosslinked porous structures, offer multiple redox-active sites, and engage in host-guest interactions, macrocycles have made huge contributions to electrochemical energy storage and conversion (EES/EEC). Here, we have summarized the recent advancements and challenges in the utilization of CDs, CAs, CBs, and PAs as well as other novel macrocycles applied in EES/EEC devices. The molecular structure, properties, and modification strategies are discussed along with the corresponding energy density, specific capacity, and cycling life properties in detail. Finally, crucial limitations and future research directions pertaining to these macrocycles in electrochemical energy storage and conversion are addressed. It is hoped that this review is able to inspire interest and enthusiasm in researchers to investigate macrocycles and promote their applications in EES/EEC.
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Affiliation(s)
- Qijian Zhu
- Department of Resources and Environment, Moutai Institute, Renhuai 564500, China;
| | - Danfei Fu
- School of Chemistry and Materials, Guizhou Normal University, Guiyang 550025, China;
| | - Qing Ji
- Department of Resources and Environment, Moutai Institute, Renhuai 564500, China;
| | - Zhongjie Yang
- School of Chemistry and Materials, Guizhou Normal University, Guiyang 550025, China;
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9
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Irabuena C, Posada L, Colombo S, Aubriot L, Rey L, Villalba J, Badagian N, Brena B, Scarone L, Davyt D, Serra G. Synthesis of Cyclopeptides Analogues of Natural Products and Evaluation as Herbicides and Inhibitors of Cyanobacteria. ACS OMEGA 2024; 9:20167-20175. [PMID: 38737041 PMCID: PMC11079878 DOI: 10.1021/acsomega.4c00311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/15/2024] [Accepted: 04/19/2024] [Indexed: 05/14/2024]
Abstract
Natural products derived from plants or microorganisms have been considered as eco-friendly herbicides with application in crop protection. Several natural cyclopeptides have been reported as herbicides, while others have been identified as inhibitors of cyanobacteria. In this work, the syntheses of cyclotetrapeptides and cyclopentapeptides analogues of natural products were successfully performed by solid-phase peptide synthesis of their linear precursor and solution-phase macrolactamization. Four of the obtained peptides and cyclopeptides present phytotoxicity with more than 70% of radicle growth inhibition at 67 μg/mL. In addition, evaluation of 20 peptides and cyclopeptides, as inhibitors of cyanobacteria, rendered five active compounds that reduced the concentration of microcystins in the culture medium.
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Affiliation(s)
- Camila Irabuena
- Laboratorio
de Química Farmacéutica, Departamento de Química
Orgánica, Facultad de Química, Universidad de la República, General Flores 2124, Montevideo 11800, Uruguay
| | - Laura Posada
- Laboratorio
de Química Farmacéutica, Departamento de Química
Orgánica, Facultad de Química, Universidad de la República, General Flores 2124, Montevideo 11800, Uruguay
| | - Sol Colombo
- Grupo
de Ecología y Fisiología de Fitoplancton, Sección
Limnología, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay
| | - Luis Aubriot
- Grupo
de Ecología y Fisiología de Fitoplancton, Sección
Limnología, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay
| | - Luciana Rey
- Estación
experimental Dr. Mario A. Cassinoni, Facultad de Agronomía, Universidad de la República, Ruta 3 Km 363, Paysandú 60000, Uruguay
| | - Juana Villalba
- Estación
experimental Dr. Mario A. Cassinoni, Facultad de Agronomía, Universidad de la República, Ruta 3 Km 363, Paysandú 60000, Uruguay
| | - Natalia Badagian
- Área
Bioquímica, Departamento de Biociencias, Facultad de Química, Universidad de la República, General Flores 2124, Montevideo 11800, Uruguay
| | - Beatriz Brena
- Área
Bioquímica, Departamento de Biociencias, Facultad de Química, Universidad de la República, General Flores 2124, Montevideo 11800, Uruguay
| | - Laura Scarone
- Laboratorio
de Química Farmacéutica, Departamento de Química
Orgánica, Facultad de Química, Universidad de la República, General Flores 2124, Montevideo 11800, Uruguay
| | - Danilo Davyt
- Laboratorio
de Química Farmacéutica, Departamento de Química
Orgánica, Facultad de Química, Universidad de la República, General Flores 2124, Montevideo 11800, Uruguay
| | - Gloria Serra
- Laboratorio
de Química Farmacéutica, Departamento de Química
Orgánica, Facultad de Química, Universidad de la República, General Flores 2124, Montevideo 11800, Uruguay
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10
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Granulo N, Sosnin S, Digles D, Ecker GF. The macrocycle inhibitor landscape of SLC-transporter. Mol Inform 2024; 43:e202300287. [PMID: 38288682 DOI: 10.1002/minf.202300287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/08/2024] [Accepted: 01/29/2024] [Indexed: 03/06/2024]
Abstract
In the past years the interest in Solute Carrier Transporters (SLC) has increased due to their potential as drug targets. At the same time, macrocycles demonstrated promising activities as therapeutic agents. However, the overall macrocycle/SLC-transporter interaction landscape has not been fully revealed yet. In this study, we present a statistical analysis of macrocycles with measured activity against SLC-transporter. Using a data mining pipeline based on KNIME retrieved in total 825 bioactivity data points of macrocycles interacting with SLC-transporter. For further analysis of the SLC inhibitor profiles we developed an interactive KNIME workflow as well as an interactive map of the chemical space coverage utilizing parametric t-SNE models. The parametric t-SNE models provide a good discrimination ability among several corresponding SLC subfamilies' targets. The KNIME workflow, the dataset, and the visualization tool are freely available to the community.
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Affiliation(s)
- Nejra Granulo
- Department of Pharmaceutical Sciences, University of Vienna, Josef Holaubek Platz 2, 1090, Vienna, Austria
- Research Platform NeGeMac-Next Generation Macrocycles to Address Challenging Protein Interfaces, University of Vienna, 1090, Vienna, Austria
| | - Sergey Sosnin
- Department of Pharmaceutical Sciences, University of Vienna, Josef Holaubek Platz 2, 1090, Vienna, Austria
| | - Daniela Digles
- Department of Pharmaceutical Sciences, University of Vienna, Josef Holaubek Platz 2, 1090, Vienna, Austria
| | - Gerhard F Ecker
- Department of Pharmaceutical Sciences, University of Vienna, Josef Holaubek Platz 2, 1090, Vienna, Austria
- Research Platform NeGeMac-Next Generation Macrocycles to Address Challenging Protein Interfaces, University of Vienna, 1090, Vienna, Austria
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11
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Kim K, Jang A, Shin H, Ye I, Lee JE, Kim T, Park H, Hong S. Concurrent Optimizations of Efficacy and Blood-Brain Barrier Permeability in New Macrocyclic LRRK2 Inhibitors for Potential Parkinson's Disease Therapeutics. J Med Chem 2024. [PMID: 38684226 DOI: 10.1021/acs.jmedchem.4c00520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
The elevated activity of leucine-rich repeat kinase 2 (LRRK2) is implicated in the pathogenesis of Parkinson's disease (PD). The quest for effective LRRK2 inhibitors has been impeded by the formidable challenge of crossing the blood-brain barrier (BBB). We leveraged structure-based de novo design and developed robust three-dimensional quantitative structure-activity relationship (3D-QSAR) models to predict BBB permeability, enhancing the likelihood of the inhibitor's brain accessibility. Our strategy involved the synthesis of macrocyclic molecules by linking the two terminal nitrogen atoms of HG-10-102-01 with an alkyl chain ranging from 2 to 4 units, laying the groundwork for innovative LRRK2 inhibitor designs. Through meticulous computational and synthetic optimization of both biochemical efficacy and BBB permeability, 9 out of 14 synthesized candidates demonstrated potent low-nanomolar inhibition and significant BBB penetration. Further assessments of in vitro and in vivo effectiveness, coupled with pharmacological profiling, highlighted 8 as the promising new lead compound for PD therapeutics.
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Affiliation(s)
- Kewon Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Ahyoung Jang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Hochul Shin
- Whan In Pharmaceutical Co., Ltd., 11, Beobwon-ro 6-gil, Songpa-gu, Seoul 05855, Korea
| | - Inhae Ye
- Whan In Pharmaceutical Co., Ltd., 11, Beobwon-ro 6-gil, Songpa-gu, Seoul 05855, Korea
| | - Ji Eun Lee
- Whan In Pharmaceutical Co., Ltd., 11, Beobwon-ro 6-gil, Songpa-gu, Seoul 05855, Korea
| | - Taeho Kim
- Department of Bioscience and Biotechnology, Sejong University, 209 Neungdong-ro, Kwangjin-gu, Seoul 05006, Korea
| | - Hwangseo Park
- Department of Bioscience and Biotechnology, Sejong University, 209 Neungdong-ro, Kwangjin-gu, Seoul 05006, Korea
| | - Sungwoo Hong
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
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12
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Niu P, Tao Y, Lin G, Xu H, Meng Q, Yang K, Huang W, Song M, Ding K, Ma D, Fan M. Design and Synthesis of Novel Macrocyclic Derivatives as Potent and Selective Cyclin-Dependent Kinase 7 Inhibitors. J Med Chem 2024; 67:6099-6118. [PMID: 38586950 DOI: 10.1021/acs.jmedchem.3c01832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
The duality of function (cell cycle regulation and gene transcription) of cyclin-dependent kinase 7 (CDK7) makes it an attractive oncology target and the discovery of CDK7 inhibitors has been a long-term pursuit by academia and pharmaceutical companies. However, achieving selective leading compounds is still difficult owing to the similarities among the ATP binding pocket. Herein, we detail the design and synthesis of a series of macrocyclic derivatives with pyrazolo[1,5-a]-1,3,5-triazine core structure as potent and selective CDK7 inhibitors. The diverse manners of macrocyclization led to distinguished selectivity profiles of the CDK family. Molecular dynamics (MD) simulation explained the binding difference between 15- and 16-membered macrocyclic compounds. Further optimization generated compound 37 exhibiting good CDK7 inhibitory activity and high selectivity over other CDKs. This work clearly demonstrated macrocyclization is a versatile method to finely tune the selectivity profile of small molecules and MD simulation can be a valuable tool in prioritizing designs of the macrocycle.
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Affiliation(s)
- Pengpeng Niu
- Academy of Medical Engineering and Translational Medicine (AMT), Tianjin University, Tianjin 300072, China
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
| | - Yanxin Tao
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
- School of Molecular Medicine, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, Zhejiang 310024, China
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Life Sciences, Tianjin University, Tianjin 300072, China
| | - Guohao Lin
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
- Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | - Huiqi Xu
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Qingyuan Meng
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
- School of Molecular Medicine, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, Zhejiang 310024, China
- Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Kang Yang
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Weixue Huang
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 20032, China
| | - Meiru Song
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
- Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | - Ke Ding
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 20032, China
| | - Dawei Ma
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 20032, China
| | - Mengyang Fan
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
- Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
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13
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Limbach M, Lindberg ET, Olivos HJ, van Tetering L, Steren CA, Martens J, Ngo VA, Oomens J, Do TD. Taming Conformational Heterogeneity on Ion Racetrack to Unveil Principles that Drive Membrane Permeation of Cyclosporines. JACS AU 2024; 4:1458-1470. [PMID: 38665661 PMCID: PMC11040698 DOI: 10.1021/jacsau.4c00011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/05/2024] [Accepted: 03/05/2024] [Indexed: 04/28/2024]
Abstract
Our study reveals the underlying principles governing the passive membrane permeability in three large N-methylated macrocyclic peptides (N-MeMPs): cyclosporine A (CycA), Alisporivir (ALI), and cyclosporine H (CycH). We determine a series of conformers required for robust passive membrane diffusion and those relevant to other functions, such as binding to protein targets or intermediates, in the presence of solvent additives. We investigate the conformational interconversions and establish correlations with the membrane permeability. Nuclear magnetic resonance (NMR) and cyclic ion-mobility spectrometry-mass spectrometry (cIMS-MS) are employed to characterize conformational heterogeneity and identify cis-amides relevant for good membrane permeability. In addition, ion mobility selected cIMS-MS and infrared (IR) multiple-photon dissociation (IRMPD) spectroscopy experiments are conducted to evaluate the energy barriers between conformations. We observe that CycA and ALI, both cyclosporines with favorable membrane permeabilities, display multiple stable and well-defined conformers. In contrast, CycH, an epimer of CycA with limited permeability, exhibits fewer and fewer stable conformers. We demonstrate the essential role of the conformational shift from the aqueous cis MeVal11-MeBmt1 state (A1) to the closed conformation featuring cis MeLeu9-MeLeu10 (C1) in facilitating membrane permeation. Additionally, we highlight that the transition from A1 to the all-trans open conformation (O1) is specifically triggered by the presence of CaCl2. We also capture a set of conformers with cis Sar3-MeLeu4, MeLeu9-MeLeu10, denoted as I. Conformationally selected cIMS-MS and IRMPD data of [CycA+Ca]2+ show immediate repopulation of the original population distribution, suggesting that CaCl2 smooths out the energy barriers. Finally, our work presents an improved sampling molecular dynamics approach based on a refined force field that not only consistently and accurately captures established conformers of cyclosporines but also exhibits strong predictive capabilities for novel conformers.
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Affiliation(s)
- Miranda
N. Limbach
- Department
of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Edward T. Lindberg
- Department
of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | | | - Lara van Tetering
- Institute
for Molecules and Materials, FELIX Laboratory, Radboud University, Toernooiveld 7, Nijmegen 6525 ED, The Netherlands
| | - Carlos A. Steren
- Department
of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Jonathan Martens
- Institute
for Molecules and Materials, FELIX Laboratory, Radboud University, Toernooiveld 7, Nijmegen 6525 ED, The Netherlands
| | - Van A. Ngo
- Advanced
Computing for Life Sciences and Engineering Group, Science Engagement
Section, National Center for Computational Sciences, Computing and
Computational Sciences Directorate, Oak
Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Jos Oomens
- Institute
for Molecules and Materials, FELIX Laboratory, Radboud University, Toernooiveld 7, Nijmegen 6525 ED, The Netherlands
| | - Thanh D. Do
- Department
of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
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14
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Mandal S, Mahananda D, Paladugu D, Thirupathi B. Total Synthesis and Determination of the Absolute Configuration of Berkeleylactone I. J Org Chem 2024; 89:4165-4175. [PMID: 38439518 DOI: 10.1021/acs.joc.4c00178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Herein, we report the first total synthesis of berkeleylactone I and its 12S diastereomer. Consequently, this chemical synthesis allowed us to establish the unknown absolute stereochemistry at the C-12 center as 12R, which was unidentified by the isolation group. This synthetic approach includes several critical reactions, such as the Sharpless asymmetric dihydroxylation, Baran's Ni-catalyzed alkyl-alkyl cross-coupling reaction, Brown allylation, Mitsunobu reaction, and ring-closing metathesis, as key steps.
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Affiliation(s)
- Sudip Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research Berhampur, Transit Campus, Government ITI Building, NH 59, Engineering School Road, Ganjam District, Berhampur 760 010, Odisha, India
| | - Dora Mahananda
- Department of Chemical Sciences, Indian Institute of Science Education and Research Berhampur, Transit Campus, Government ITI Building, NH 59, Engineering School Road, Ganjam District, Berhampur 760 010, Odisha, India
| | - Dileep Paladugu
- Department of Chemical Sciences, Indian Institute of Science Education and Research Berhampur, Transit Campus, Government ITI Building, NH 59, Engineering School Road, Ganjam District, Berhampur 760 010, Odisha, India
| | - Barla Thirupathi
- Department of Chemical Sciences, Indian Institute of Science Education and Research Berhampur, Transit Campus, Government ITI Building, NH 59, Engineering School Road, Ganjam District, Berhampur 760 010, Odisha, India
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15
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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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16
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Acharya B, Saha D, Armstrong D, Jabali B, Hanafi M, Herrera-Rueda A, Lakkaniga NR, Frett B. Kinase inhibitor macrocycles: a perspective on limiting conformational flexibility when targeting the kinome with small molecules. RSC Med Chem 2024; 15:399-415. [PMID: 38389874 PMCID: PMC10880908 DOI: 10.1039/d3md00457k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 12/10/2023] [Indexed: 02/24/2024] Open
Abstract
Methods utilized for drug discovery and development within the kinome have rapidly evolved since the approval of imatinib, the first small molecule kinase inhibitor. Macrocycles have received increasing interest as a technique to improve kinase inhibitor drug properties evident by the FDA approvals of lorlatinib, pacritinib, and repotrectinib. Compared to their acyclic counterparts, macrocycles can possess improved pharmacodynamic and pharmacokinetic properties. This review highlights clinical success stories when implementing macrocycles in kinase-based drug discovery and showcases that macrocyclization is a clinically validated drug discovery strategy when targeting the kinome.
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Affiliation(s)
- Baku Acharya
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences Little Rock AR USA
| | - Debasmita Saha
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences Little Rock AR USA
- Conrad Prebys Centre for Chemical Genomics, Sanford Burnham Prebys Medical Discovery Institute San Diego CA USA
| | - Daniel Armstrong
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences Little Rock AR USA
| | - Baha'a Jabali
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences Little Rock AR USA
| | - Maha Hanafi
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences Little Rock AR USA
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University Cairo 11526 Egypt
| | - Alan Herrera-Rueda
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences Little Rock AR USA
| | - Naga Rajiv Lakkaniga
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (Indian School of Mines) Dhanbad India
| | - Brendan Frett
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences Little Rock AR USA
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17
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Li Y, Wang Y, Wang H, Shi T, Wang B. The Genus Cladosporium: A Prospective Producer of Natural Products. Int J Mol Sci 2024; 25:1652. [PMID: 38338931 PMCID: PMC10855219 DOI: 10.3390/ijms25031652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
Cladosporium, a genus of ascomycete fungi in the Dematiaceae family, is primarily recognized as a widespread environmental saprotrophic fungus or plant endophyte. Further research has shown that the genus is distributed in various environments, particularly in marine ecosystems, such as coral reefs, mangroves and the polar region. Cladosporium, especially the marine-derived Cladosporium, is a highly resourceful group of fungi whose natural products have garnered attention due to their diverse chemical structures and biological activities, as well as their potential as sources of novel leads to compounds for drug production. This review covers the sources, distribution, bioactivities, biosynthesis and structural characteristics of compounds isolated from Cladosporium in the period between January 2000 and December 2022, and conducts a comparative analysis of the Cladosporium isolated compounds derived from marine and terrestrial sources. Our results reveal that 34% of Cladosporium-derived natural products are reported for the first time. And 71.79% of the first reported compounds were isolated from marine-derived Cladosporium. Cladosporium-derived compounds exhibit diverse skeletal chemical structures, concentrating in the categories of polyketides (48.47%), alkaloids (19.21%), steroids and terpenoids (17.03%). Over half of the natural products isolated from Cladosporium have been found to have various biological activities, including cytotoxic, antibacterial, antiviral, antifungal and enzyme-inhibitory activities. These findings testify to the tremendous potential of Cladosporium, especially the marine-derived Cladosporium, to yield novel bioactive natural products, providing a structural foundation for the development of new drugs.
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Affiliation(s)
- Yanjing Li
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
| | - Yifei Wang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
| | - Han Wang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
| | - Ting Shi
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao 266200, China
| | - Bo Wang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
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18
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Amrhein JA, Berger LM, Balourdas DI, Joerger AC, Menge A, Krämer A, Frischkorn JM, Berger BT, Elson L, Kaiser A, Schubert-Zsilavecz M, Müller S, Knapp S, Hanke T. Synthesis of Pyrazole-Based Macrocycles Leads to a Highly Selective Inhibitor for MST3. J Med Chem 2024; 67:674-690. [PMID: 38126712 DOI: 10.1021/acs.jmedchem.3c01980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
MST1, MST2, MST3, MST4, and YSK1 are conserved members of the mammalian sterile 20-like serine/threonine (MST) family that regulate cellular functions such as proliferation and migration. The MST3 isozyme plays a role in regulating cell growth and apoptosis, and its dysregulation has been linked to high-grade tumors. To date, there are no isoform-selective inhibitors that could be used for validating the role of MST3 in tumorigenesis. We designed a series of 3-aminopyrazole-based macrocycles based on the structure of a promiscuous inhibitor. By varying the moieties targeting the solvent-exposed region and optimizing the linker, macrocycle JA310 (21c) was synthesized. JA310 exhibited high cellular potency for MST3 (EC50 = 106 nM) and excellent kinome-wide selectivity. The crystal structure of the MST3-JA310 complex provided intriguing insights into the binding mode, which is associated with large-scale structural rearrangements. In summary, JA310 demonstrates the utility of macrocyclization for the design of highly selective inhibitors and presents the first chemical probe for MST3.
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Affiliation(s)
- Jennifer Alisa Amrhein
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Lena Marie Berger
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Dimitrios-Ilias Balourdas
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Andreas C Joerger
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Amelie Menge
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Andreas Krämer
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), DTKT Site Frankfurt-Mainz 69120 Heidelberg, Germany
| | - Julia Marie Frischkorn
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Benedict-Tilman Berger
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Lewis Elson
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Astrid Kaiser
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Manfred Schubert-Zsilavecz
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Susanne Müller
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Stefan Knapp
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), DTKT Site Frankfurt-Mainz 69120 Heidelberg, Germany
| | - Thomas Hanke
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Goethe-University Frankfurt, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
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19
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Jaiswal MK, Gupta A, Ansari FJ, Pandey VK, Tiwari VK. Recent Progress on Synthesis of Functionalized 1,5-Disubstituted Triazoles. Curr Org Synth 2024; 21:513-558. [PMID: 38804327 DOI: 10.2174/1570179420666230418123350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 12/13/2022] [Accepted: 01/12/2023] [Indexed: 05/29/2024]
Abstract
Immediately after the invention of 'Click Chemistry' in 2002, the regioselective 1,2,3- triazole scaffolds resulted from respective organic azides and terminal alkynes under Cu(I) catalysis have been well recognized as the functional heterocyclic core at the centre of modern organic chemistry, medicinal chemistry, and material sciences. This CuAAC reaction has several notable features including excellent regioselectivity, high-to-excellent yields, easy to execute, short reaction time, modular in nature, mild condition, readily available starting materials, etc. Moreover, the resulting regioselective triazoles can serve as amide bond isosteres, a privileged functional group in drug discovery and development. More than hundreds of reviews had been devoted to the 'Click Chemistry' in special reference to 1,4-disubstituted triazoles, while only little efforts were made for an opposite regioisomer i.e., 1,5-disubstituted triazole. Herein, we have presented various classical approaches for an expeditious synthesis of a wide range of biologically relevant 1,5- disubstituted 1,2,3-triazole analogues. The syntheses of such a class of diversly functionalized triazoles have emerged as a crucial investigation in the domain of chemistry and biology. This tutorial review covers the literature assessment on the development of various synthetic protocols for the functionalized 1,5-disubstituted triazoles reported during the last 12 years.
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Affiliation(s)
- Manoj K Jaiswal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Abhishek Gupta
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Faisal J Ansari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinay K Pandey
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
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20
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Jachak GR, Kashinath K, Vasudevan N, Athawale PR, Choudhury R, Dange SS, Agarwal H, Barthwal MK, Reddy DS. Comprehensive Study on Solomonamides: Total Synthesis, Stereochemical Revision, and SAR Studies toward Identification of Simplified Lead. J Org Chem 2023; 88:17088-17133. [PMID: 38051995 DOI: 10.1021/acs.joc.3c01987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Solomonamides, a pair of macrocyclic peptide natural products originating from marine sources, have garnered significant attention within the synthetic community owing to their marked anti-inflammatory efficacy and intricate molecular architectures. In this paper, we present a very detailed investigation into solomonamides, including the challenges associated with the total synthesis, the evolution of our synthetic strategies, structural reassignment, synthesis of all possible stereoisomeric macrocycles, biological assessment, structure-activity relationship (SAR) studies, etc. Within the ambit of this total synthesis, diverse strategies for macrocyclization were rigorously explored, encompassing the Friedel-Crafts acylation, cyclization involving the aniline NH2 moiety, macrolactamization utilizing Gly-NH2, and Heck macrocyclization methodologies. In addition, an array of intriguing chemical transformations were devised, including but not limited to photo-Fries rearrangement, Wacker oxidation, ligand-free Heck macrocyclization, oxidative cleavage of indole, synthesis of contiguous stereocenters via substrate/reagent-controlled protocols, and simultaneous making and breaking of olefinic moieties. The findings of this investigation revealed a structurally simplified lead compound. Remarkably, the lead compound, while possessing structural simplification in comparison to the intricate solomonamide counterparts, demonstrates equipotent in vivo anti-inflammatory efficacy.
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Affiliation(s)
- Gorakhnath R Jachak
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - K Kashinath
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - N Vasudevan
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Paresh R Athawale
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Rahul Choudhury
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Santoshkumar S Dange
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
| | - Heena Agarwal
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Pharmacology Division, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow 226031, India
| | - Manoj Kumar Barthwal
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Pharmacology Division, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow 226031, India
| | - D Srinivasa Reddy
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India
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21
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Tang X, Kokot J, Waibl F, Fernández-Quintero ML, Kamenik AS, Liedl KR. Addressing Challenges of Macrocyclic Conformational Sampling in Polar and Apolar Solvents: Lessons for Chameleonicity. J Chem Inf Model 2023; 63:7107-7123. [PMID: 37943023 PMCID: PMC10685455 DOI: 10.1021/acs.jcim.3c01123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 10/24/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
We evaluated a workflow to reliably sample the conformational space of a set of 47 peptidic macrocycles. Starting from SMILES strings, we use accelerated molecular dynamics simulations to overcome high energy barriers, in particular, the cis-trans isomerization of peptide bonds. We find that our approach performs very well in polar solvents like water and dimethyl sulfoxide. Interestingly, the protonation state of a secondary amine in the ring only slightly influences the conformational ensembles of our test systems. For several of the macrocycles, determining the conformational distribution in chloroform turns out to be considerably more challenging. Especially, the choice of partial charges crucially influences the ensembles in chloroform. We address these challenges by modifying initial structures and the choice of partial charges. Our results suggest that special care has to be taken to understand the configurational distribution in apolar solvents, which is a key step toward a reliable prediction of membrane permeation of macrocycles and their chameleonic properties.
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Affiliation(s)
- Xuechen Tang
- Department
of General, Inorganic and Theoretical Chemistry, University of Innsbruck, A-6020 Innsbruck, Austria
| | - Janik Kokot
- Department
of General, Inorganic and Theoretical Chemistry, University of Innsbruck, A-6020 Innsbruck, Austria
| | - Franz Waibl
- Department
of General, Inorganic and Theoretical Chemistry, University of Innsbruck, A-6020 Innsbruck, Austria
- Department
of Chemistry and Applied Biosciences, ETH
Zürich, 8093 Zürich, Switzerland
| | | | - Anna S. Kamenik
- Department
of General, Inorganic and Theoretical Chemistry, University of Innsbruck, A-6020 Innsbruck, Austria
| | - Klaus R. Liedl
- Department
of General, Inorganic and Theoretical Chemistry, University of Innsbruck, A-6020 Innsbruck, Austria
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22
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Wang Y, Dana S, Long H, Xu Y, Li Y, Kaplaneris N, Ackermann L. Electrochemical Late-Stage Functionalization. Chem Rev 2023; 123:11269-11335. [PMID: 37751573 PMCID: PMC10571048 DOI: 10.1021/acs.chemrev.3c00158] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Indexed: 09/28/2023]
Abstract
Late-stage functionalization (LSF) constitutes a powerful strategy for the assembly or diversification of novel molecular entities with improved physicochemical or biological activities. LSF can thus greatly accelerate the development of medicinally relevant compounds, crop protecting agents, and functional materials. Electrochemical molecular synthesis has emerged as an environmentally friendly platform for the transformation of organic compounds. Over the past decade, electrochemical late-stage functionalization (eLSF) has gained major momentum, which is summarized herein up to February 2023.
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Affiliation(s)
| | | | | | - Yang Xu
- Institut für Organische
und Biomolekulare Chemie and Wöhler Research Institute for
Sustainable Chemistry (WISCh), Georg-August-Universität, Göttingen 37077, Germany
| | - Yanjun Li
- Institut für Organische
und Biomolekulare Chemie and Wöhler Research Institute for
Sustainable Chemistry (WISCh), Georg-August-Universität, Göttingen 37077, Germany
| | - Nikolaos Kaplaneris
- Institut für Organische
und Biomolekulare Chemie and Wöhler Research Institute for
Sustainable Chemistry (WISCh), Georg-August-Universität, Göttingen 37077, Germany
| | - Lutz Ackermann
- Institut für Organische
und Biomolekulare Chemie and Wöhler Research Institute for
Sustainable Chemistry (WISCh), Georg-August-Universität, Göttingen 37077, Germany
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23
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Yang Z, Liu Z, Xu C, Xu J, Liu T, He H, Li L, Ren Y, Chen J. Discovery of novel resorcinol biphenyl ether-based macrocyclic small molecules as PD-1/PD-L1 inhibitors with favorable pharmacokinetics for cancer immunotherapy. Bioorg Chem 2023; 139:106740. [PMID: 37478546 DOI: 10.1016/j.bioorg.2023.106740] [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: 06/07/2023] [Revised: 07/08/2023] [Accepted: 07/16/2023] [Indexed: 07/23/2023]
Abstract
Programmed death protein 1 (PD-1)/programmed death protein ligand 1 (PD-L1) is one of the most promising immune checkpoints (ICs) in tumor immunology and has been actively pursued as a target for anticancer drug discovery. Based on our previous research in small molecule PD-1/PD-L1 modulators, we designed and synthesized a series of resorcinol biphenyl ether-bearing macrocyclic compounds and evaluated their anti-PD-1/PD-L1 activities. Among them, compound 8d exhibited the highest inhibitory activity against PD-1/PD-L1 interaction with IC50 of 259.7 nM in the homogenous time-resolved fluorescence (HTRF) assay. In addition, 8d displayed in vitro immunomodulatory effects by promoting HepG2 cell death in a HepG2/Jurkat cell co-culture model. Furthermore, 8d effectively inhibited tumor growth (TGI = 74.6% at 40 mg/kg) in a melanoma tumor model in mice without causing obvious toxicity. Moreover, 8d exhibited favorable pharmacokinetics [e.g. high stability, reasonable half-life, and good oral bioavailability (F = 21.5%)]. Finally, molecular modeling studies showed that 8d bound to PD-L1 with high affinity. These results suggest that 8d may serve as a starting point for further development of macrocyclic small molecule-based PD-1/PD-L1 inhibitors for cancer treatment.
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Affiliation(s)
- Zichao Yang
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Ziqing Liu
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Chenglong Xu
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jianwei Xu
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Ting Liu
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Haiqi He
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Ling Li
- The Eighth Affiliated Hospital, Sun Yat sen University, Shenzhen 518033, China
| | - Yichang Ren
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jianjun Chen
- Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China.
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24
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Seidel T, Permann C, Wieder O, Kohlbacher SM, Langer T. High-Quality Conformer Generation with CONFORGE: Algorithm and Performance Assessment. J Chem Inf Model 2023; 63:5549-5570. [PMID: 37624145 PMCID: PMC10498443 DOI: 10.1021/acs.jcim.3c00563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Indexed: 08/26/2023]
Abstract
Knowledge of the putative bound-state conformation of a molecule is an essential prerequisite for the successful application of many computer-aided drug design methods that aim to assess or predict its capability to bind to a particular target receptor. An established approach to predict bioactive conformers in the absence of receptor structure information is to sample the low-energy conformational space of the investigated molecules and derive representative conformer ensembles that can be expected to comprise members closely resembling possible bound-state ligand conformations. The high relevance of such conformer generation functionality led to the development of a wide panel of dedicated commercial and open-source software tools throughout the last decades. Several published benchmarking studies have shown that open-source tools usually lag behind their commercial competitors in many key aspects. In this work, we introduce the open-source conformer ensemble generator CONFORGE, which aims at delivering state-of-the-art performance for all types of organic molecules in drug-like chemical space. The ability of CONFORGE and several well-known commercial and open-source conformer ensemble generators to reproduce experimental 3D structures as well as their computational efficiency and robustness has been assessed thoroughly for both typical drug-like molecules and macrocyclic structures. For small molecules, CONFORGE clearly outperformed all other tested open-source conformer generators and performed at least equally well as the evaluated commercial generators in terms of both processing speed and accuracy. In the case of macrocyclic structures, CONFORGE achieved the best average accuracy among all benchmarked generators, with RDKit's generator coming close in second place.
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Affiliation(s)
- Thomas Seidel
- Department
of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Christian Permann
- NeGeMac
Research Platform, Department of Pharmaceutical Sciences, Division
of Pharmaceutical Chemistry, University
of Vienna, Josef-Holaubek-Platz
2, 1090 Vienna, Austria
| | - Oliver Wieder
- Christian
Doppler Laboratory for Molecular Informatics in the Biosciences, Department
of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Stefan M. Kohlbacher
- Department
of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Thierry Langer
- Department
of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
- NeGeMac
Research Platform, Department of Pharmaceutical Sciences, Division
of Pharmaceutical Chemistry, University
of Vienna, Josef-Holaubek-Platz
2, 1090 Vienna, Austria
- Christian
Doppler Laboratory for Molecular Informatics in the Biosciences, Department
of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
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25
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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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26
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Kovada V, Withers-Martinez C, Bobrovs R, Ce̅rule H, Liepins E, Grinberga S, Hackett F, Collins CR, Kreicberga A, Jiménez-Díaz MB, Angulo-Barturen I, Rasina D, Suna E, Jaudzems K, Blackman MJ, Jirgensons A. Macrocyclic Peptidomimetic Plasmepsin X Inhibitors with Potent In Vitro and In Vivo Antimalarial Activity. J Med Chem 2023; 66:10658-10680. [PMID: 37505188 PMCID: PMC10424242 DOI: 10.1021/acs.jmedchem.3c00812] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Indexed: 07/29/2023]
Abstract
The Plasmodium falciparum aspartic protease plasmepsin X (PMX) is essential for the egress of invasive merozoite forms of the parasite. PMX has therefore emerged as a new potential antimalarial target. Building on peptidic amino alcohols originating from a phenotypic screening hit, we have here developed a series of macrocyclic analogues as PMX inhibitors. Incorporation of an extended linker between the S1 phenyl group and S3 amide led to a lead compound that displayed a 10-fold improved PMX inhibitory potency and a 3-fold improved half-life in microsomal stability assays compared to the acyclic analogue. The lead compound was also the most potent of the new macrocyclic compounds in in vitro parasite growth inhibition. Inhibitor 7k cleared blood-stage P. falciparum in a dose-dependent manner when administered orally to infected humanized mice. Consequently, lead compound 7k represents a promising orally bioavailable molecule for further development as a PMX-targeting antimalarial drug.
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Affiliation(s)
- Vadims Kovada
- Latvian
Institute of Organic Synthesis, Riga LV-1006, Latvia
| | | | - Raitis Bobrovs
- Latvian
Institute of Organic Synthesis, Riga LV-1006, Latvia
| | - Hele̅na Ce̅rule
- Latvian
Institute of Organic Synthesis, Riga LV-1006, Latvia
| | - Edgars Liepins
- Latvian
Institute of Organic Synthesis, Riga LV-1006, Latvia
| | | | - Fiona Hackett
- Malaria
Biochemistry Laboratory, The Francis Crick
Institute, London NW1 1AT, United
Kingdom
| | - Christine R. Collins
- Malaria
Biochemistry Laboratory, The Francis Crick
Institute, London NW1 1AT, United
Kingdom
| | | | - María Belén Jiménez-Díaz
- The
Art of Discovery SL, Biscay Science and Technology Park, Derio, 48160 Bizkaia, Basque Country, Spain
| | - Iñigo Angulo-Barturen
- The
Art of Discovery SL, Biscay Science and Technology Park, Derio, 48160 Bizkaia, Basque Country, Spain
| | - Dace Rasina
- Latvian
Institute of Organic Synthesis, Riga LV-1006, Latvia
| | - Edgars Suna
- Latvian
Institute of Organic Synthesis, Riga LV-1006, Latvia
| | | | - Michael J. Blackman
- Malaria
Biochemistry Laboratory, The Francis Crick
Institute, London NW1 1AT, United
Kingdom
- Faculty
of Infectious and Tropical Diseases, London
School of Hygiene & Tropical Medicine, London WC1E 7HT, United Kingdom
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27
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Diao Y, Liu D, Ge H, Zhang R, Jiang K, Bao R, Zhu X, Bi H, Liao W, Chen Z, Zhang K, Wang R, Zhu L, Zhao Z, Hu Q, Li H. Macrocyclization of linear molecules by deep learning to facilitate macrocyclic drug candidates discovery. Nat Commun 2023; 14:4552. [PMID: 37507402 PMCID: PMC10382584 DOI: 10.1038/s41467-023-40219-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Interest in macrocycles as potential therapeutic agents has increased rapidly. Macrocyclization of bioactive acyclic molecules provides a potential avenue to yield novel chemical scaffolds, which can contribute to the improvement of the biological activity and physicochemical properties of these molecules. In this study, we propose a computational macrocyclization method based on Transformer architecture (which we name Macformer). Leveraging deep learning, Macformer explores the vast chemical space of macrocyclic analogues of a given acyclic molecule by adding diverse linkers compatible with the acyclic molecule. Macformer can efficiently learn the implicit relationships between acyclic and macrocyclic structures represented as SMILES strings and generate plenty of macrocycles with chemical diversity and structural novelty. In data augmentation scenarios using both internal ChEMBL and external ZINC test datasets, Macformer display excellent performance and generalisability. We showcase the utility of Macformer when combined with molecular docking simulations and wet lab based experimental validation, by applying it to the prospective design of macrocyclic JAK2 inhibitors.
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Affiliation(s)
- Yanyan Diao
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Dandan Liu
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Huan Ge
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Rongrong Zhang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Kexin Jiang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Runhui Bao
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Xiaoqian Zhu
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Hongjie Bi
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Wenjie Liao
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Ziqi Chen
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Kai Zhang
- Innovation Center for AI and Drug Discovery, East China Normal University, Shanghai, 200062, China
| | - Rui Wang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Lili Zhu
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Zhenjiang Zhao
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China
| | - Qiaoyu Hu
- Innovation Center for AI and Drug Discovery, East China Normal University, Shanghai, 200062, China
| | - Honglin Li
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, Shanghai, 200237, China.
- Innovation Center for AI and Drug Discovery, East China Normal University, Shanghai, 200062, China.
- Lingang Laboratory, Shanghai, 200031, China.
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28
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Bhujbal SP, Hah JM. An Intriguing Purview on the Design of Macrocyclic Inhibitors for Unexplored Protein Kinases through Their Binding Site Comparison. Pharmaceuticals (Basel) 2023; 16:1009. [PMID: 37513921 PMCID: PMC10386424 DOI: 10.3390/ph16071009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/02/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Kinases play an important role in regulating various intracellular signaling pathways that control cell proliferation, differentiation, survival, and other cellular processes, and their deregulation causes more than 400 diseases. Consequently, macrocyclization can be considered a noteworthy approach to developing new therapeutic agents for human diseases. Macrocyclization has emerged as an effective drug discovery strategy over the past decade to improve target selectivity and potency of small molecules. Small compounds with linear structures upon macrocyclization can lead to changes in their physicochemical and biological properties by firmly reducing conformational flexibility. A number of distinct protein kinases exhibit similar binding sites. Comparison of protein binding sites provides crucial insights for drug discovery and development. Binding site similarities are helpful in understanding polypharmacology, identifying potential off-targets, and repurposing known drugs. In this review, we focused on comparing the binding sites of those kinases for which macrocyclic inhibitors are available/studied so far. Furthermore, we calculated the volume of the binding site pocket for each targeted kinase and then compared it with the binding site pocket of the kinase for which only acyclic inhibitors were designed to date. Our review and analysis of several explored kinases might be useful in targeting new protein kinases for macrocyclic drug discovery.
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Affiliation(s)
- Swapnil P Bhujbal
- College of Pharmacy, Hanyang University, Ansan 426-791, Republic of Korea
- Institute of Pharmaceutical Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
| | - Jung-Mi Hah
- College of Pharmacy, Hanyang University, Ansan 426-791, Republic of Korea
- Institute of Pharmaceutical Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
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29
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Zhao Z, Dong R, You Q, Jiang Z. Medicinal Chemistry Insights into the Development of Small-Molecule Kelch-Like ECH-Associated Protein 1-Nuclear Factor Erythroid 2-Related Factor 2 (Keap1-Nrf2) Protein-Protein Interaction Inhibitors. J Med Chem 2023. [PMID: 37441735 DOI: 10.1021/acs.jmedchem.3c00712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
Oxidative stress has been implicated in a wide range of pathological conditions. The transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) exerts a central role in regulating the cellular defense system against oxidative and electrophilic insults. Nonelectrophilic inhibition of the protein-protein interaction (PPI) between Kelch-like ECH-associated protein 1 (Keap1) and Nrf2 has become a promising approach to activate Nrf2. Recently, multiple drug discovery strategies have facilitated the development of small-molecule Keap1-Nrf2 PPI inhibitors with potent activity and favorable drug-like properties. In this Perspective, we summarize the latest progress of small-molecule Keap1-Nrf2 PPI inhibitors from medicinal chemistry insights and discuss future prospects and challenges in this field.
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Affiliation(s)
- Ziquan Zhao
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Ruitian Dong
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Qidong You
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Zhengyu Jiang
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
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30
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Amrhein J, Wang G, Berger BT, Berger LM, Kalampaliki AD, Krämer A, Knapp S, Hanke T. Design and Synthesis of Pyrazole-Based Macrocyclic Kinase Inhibitors Targeting BMPR2. ACS Med Chem Lett 2023; 14:833-840. [PMID: 37312836 PMCID: PMC10258821 DOI: 10.1021/acsmedchemlett.3c00127] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 05/22/2023] [Indexed: 06/15/2023] Open
Abstract
Bone morphogenetic protein (BMP) signaling is mediated by transmembrane protein kinases that form heterotetramers consisting of type-I and type-II receptors. Upon BMP binding, the constitutively active type-II receptors activate specific type-I receptors by transphosphorylation, resulting in the phosphorylation of SMAD effector proteins. Drug discovery in the receptor tyrosine kinase-like (TKL) family has largely focused on type-I receptors, with few inhibitors that have been published targeting type-II receptors. BMPR2 is involved in several diseases, most notably pulmonary arterial hypertension, but also contributes to Alzheimer's disease and cancer. Here, we report that macrocyclization of the promiscuous inhibitor 1, based on a 3-amino-1H-pyrazole hinge binding moiety, led to a selective and potent BMPR2 inhibitor 8a.
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Affiliation(s)
- Jennifer
A. Amrhein
- Institute
for Pharmaceutical Chemistry, Johann Wolfgang
Goethe-University, Max-von-Laue-Str. 9, D-60438 Frankfurt am Main, Germany
- Structure
Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe-University, Max-von-Laue-Str. 15, D-60438 Frankfurt am Main, Germany
| | - Guiqun Wang
- Institute
for Pharmaceutical Chemistry, Johann Wolfgang
Goethe-University, Max-von-Laue-Str. 9, D-60438 Frankfurt am Main, Germany
- Structure
Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe-University, Max-von-Laue-Str. 15, D-60438 Frankfurt am Main, Germany
- German
Cancer Consortium (DKTK), German Cancer
Research Center (DKFZ), DKTK Site Frankfurt-Mainz, 69120 Heidelberg, Germany
| | - Benedict-Tilman Berger
- Institute
for Pharmaceutical Chemistry, Johann Wolfgang
Goethe-University, Max-von-Laue-Str. 9, D-60438 Frankfurt am Main, Germany
- Structure
Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe-University, Max-von-Laue-Str. 15, D-60438 Frankfurt am Main, Germany
| | - Lena M. Berger
- Institute
for Pharmaceutical Chemistry, Johann Wolfgang
Goethe-University, Max-von-Laue-Str. 9, D-60438 Frankfurt am Main, Germany
- Structure
Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe-University, Max-von-Laue-Str. 15, D-60438 Frankfurt am Main, Germany
| | - Amalia D. Kalampaliki
- Department
of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis, Zografou, 15771 Athens, Greece
| | - Andreas Krämer
- Institute
for Pharmaceutical Chemistry, Johann Wolfgang
Goethe-University, Max-von-Laue-Str. 9, D-60438 Frankfurt am Main, Germany
- Structure
Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe-University, Max-von-Laue-Str. 15, D-60438 Frankfurt am Main, Germany
- German
Cancer Consortium (DKTK), German Cancer
Research Center (DKFZ), DKTK Site Frankfurt-Mainz, 69120 Heidelberg, Germany
| | - Stefan Knapp
- Institute
for Pharmaceutical Chemistry, Johann Wolfgang
Goethe-University, Max-von-Laue-Str. 9, D-60438 Frankfurt am Main, Germany
- Structure
Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe-University, Max-von-Laue-Str. 15, D-60438 Frankfurt am Main, Germany
- German
Cancer Consortium (DKTK), German Cancer
Research Center (DKFZ), DKTK Site Frankfurt-Mainz, 69120 Heidelberg, Germany
| | - Thomas Hanke
- Institute
for Pharmaceutical Chemistry, Johann Wolfgang
Goethe-University, Max-von-Laue-Str. 9, D-60438 Frankfurt am Main, Germany
- Structure
Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe-University, Max-von-Laue-Str. 15, D-60438 Frankfurt am Main, Germany
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31
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Hu J, Zhang D, Tian K, Ren C, Li H, Lin C, Huang X, Liu J, Mao W, Zhang J. Small-molecule LRRK2 inhibitors for PD therapy: Current achievements and future perspectives. Eur J Med Chem 2023; 256:115475. [PMID: 37201428 DOI: 10.1016/j.ejmech.2023.115475] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/08/2023] [Accepted: 05/08/2023] [Indexed: 05/20/2023]
Abstract
Leucine-rich repeat kinase 2 (LRRK2) is a multifunctional protein that orchestrates a diverse array of cellular processes, including vesicle transport, autophagy, lysosome degradation, neurotransmission, and mitochondrial activity. Hyperactivation of LRRK2 triggers vesicle transport dysfunction, neuroinflammation, accumulation of α-synuclein, mitochondrial dysfunction, and the loss of cilia, ultimately leading to Parkinson's disease (PD). Therefore, targeting LRRK2 protein is a promising therapeutic strategy for PD. The clinical translation of LRRK2 inhibitors was historically impeded by issues surrounding tissue specificity. Recent studies have identified LRRK2 inhibitors that have no effect on peripheral tissues. Currently, there are four small-molecule LRRK2 inhibitors undergoing clinical trials. This review provides a summary of the structure and biological functions of LRRK2, along with an overview of the binding modes and structure-activity relationships (SARs) of small-molecule inhibitors targeting LRRK2. It offers valuable references for developing novel drugs targeting LRRK2.
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Affiliation(s)
- Jiarui Hu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy and Joint Research Institution of Altitude Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Dan Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy and Joint Research Institution of Altitude Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Keyue Tian
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Changyu Ren
- Chengdu Fifth People's Hospital, Chengdu, 611130, Sichuan, China
| | - Heng Li
- Chengdu Fifth People's Hospital, Chengdu, 611130, Sichuan, China
| | - Congcong Lin
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Xiaoli Huang
- Department of Respiratory and Critical Care Medicine, Institute of Respiratory Health, Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jie Liu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy and Joint Research Institution of Altitude Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Wuyu Mao
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy and Joint Research Institution of Altitude Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China; Department of Respiratory and Critical Care Medicine, Institute of Respiratory Health, Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Jifa Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy and Joint Research Institution of Altitude Health and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China.
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32
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Watanabe C, Tanaka S, Okiyama Y, Yuki H, Ohyama T, Kamisaka K, Takaya D, Fukuzawa K, Honma T. Quantum Chemical Interaction Analysis between SARS-CoV-2 Main Protease and Ensitrelvir Compared with Its Initial Screening Hit. J Phys Chem Lett 2023; 14:3609-3620. [PMID: 37023394 PMCID: PMC10081834 DOI: 10.1021/acs.jpclett.2c03768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/17/2023] [Indexed: 06/19/2023]
Abstract
A non-covalent oral drug targeting SARS-CoV-2 main protease (Mpro), ensitrelvir (Xocova), has been developed using structure-based drug design (SBDD). To elucidate the factors responsible for enhanced inhibitory activities from an in silico screening hit compound to ensitrelvir, we analyzed the interaction energies of the inhibitors with each residue of Mpro using fragment molecular orbital (FMO) calculations. This analysis reveals that functional group conversion for P1' and P1 parts in the inhibitors increases the strength of existing interactions with Mpro and also provides novel interactions for ensitrelvir; the associated changes in the conformation of Mpro induce further interactions for ensitrelvir in other parts, including hydrogen bonds, a halogen bond, and π-orbital interactions. Thus, we illuminate the promising strategies of SBDD for leading ensitrelvir to get higher activity against Mpro by elucidating microscopic interactions through FMO-based analysis. These detailed mechanism findings, including water cross-linkings, will help to design novel inhibitors in SBDD.
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Affiliation(s)
- Chiduru Watanabe
- Center for Biosystems Dynamics Research,
RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa
230-0045, Japan
| | - Shigenori Tanaka
- Department of Computational Science, Graduate School
of System Informatics, Kobe University, 1-1 Rokkodai, Nada-ku,
Kobe, Hyogo 657-8501, Japan
| | - Yoshio Okiyama
- Department of Computational Science, Graduate School
of System Informatics, Kobe University, 1-1 Rokkodai, Nada-ku,
Kobe, Hyogo 657-8501, Japan
| | - Hitomi Yuki
- Center for Biosystems Dynamics Research,
RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa
230-0045, Japan
| | - Tatsuya Ohyama
- Frontier Institute for Biomolecular Engineering Research
(FIBER), Konan University, 7-1-20 Minatojima-minamimachi, Kobe
650-0047, Japan
| | - Kikuko Kamisaka
- Center for Biosystems Dynamics Research,
RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa
230-0045, Japan
| | - Daisuke Takaya
- Graduate School of Pharmaceutical Sciences,
Osaka University,1-6 Yamadaoka, Suita, Osaka 565-0871,
Japan
| | - Kaori Fukuzawa
- Graduate School of Pharmaceutical Sciences,
Osaka University,1-6 Yamadaoka, Suita, Osaka 565-0871,
Japan
| | - Teruki Honma
- Center for Biosystems Dynamics Research,
RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa
230-0045, Japan
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33
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de Lima Neto J, Menezes PH. Combretastatins D series and analogues: from isolation, synthetic challenges and biological activities. Beilstein J Org Chem 2023; 19:399-427. [PMID: 37025497 PMCID: PMC10071520 DOI: 10.3762/bjoc.19.31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 03/10/2023] [Indexed: 04/08/2023] Open
Abstract
The combretastatin D series and its analogues, corniculatolides and isocorniculatolides belong to a class of macrocycles called cyclic diaryl ether heptanoids (DAEH). This review is intended to highlight the structure elucidation, biosynthesis, and biological activity of these compounds as well as the use of different strategies for their synthesis.
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Affiliation(s)
- Jorge de Lima Neto
- Universidade Federal de Pernambuco, Departamento de Química Fundamental, Recife-PE, 50740-560, Brazil
| | - Paulo Henrique Menezes
- Universidade Federal de Pernambuco, Departamento de Química Fundamental, Recife-PE, 50740-560, Brazil
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34
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Yue WK, Zhang T, Shandre Mugan R, Barlow N, Chalmers DK, Pouton CW, Thompson PE. Targeting Melanocortin Receptors Using S NAr-Type Macrocyclization: A Doubly Orthogonal Route to Cyclic Peptide Conjugates. J Med Chem 2023; 66:3273-3283. [PMID: 36808973 DOI: 10.1021/acs.jmedchem.2c01587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
While a range of strategies exist to accomplish peptide macrocyclization, they are frequently limited by the need for orthogonal protection or provide little opportunity for structural diversification. We have evaluated an efficient macrocyclization method that employs nucleophilic aromatic substitution (SNAr) to create thioether macrocycles. This versatile macrocyclization, orthogonal to conventional peptide synthesis, can be performed in solution on unprotected peptidomimetics or on resin-bound peptides with side-chain protection in place. We show that the electron-withdrawing groups present in the products can be further utilized in subsequent orthogonal reactions to alter the peptide properties or to add prosthetic groups. The macrocyclization strategy was applied to the design of melanocortin ligands, generating a library of potent melanocortin agonists that exhibit distinct subtype selectivity.
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Affiliation(s)
- Wenxiao K Yue
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Tianxia Zhang
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Rekha Shandre Mugan
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Nicholas Barlow
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - David K Chalmers
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Colin W Pouton
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Philip E Thompson
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
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35
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Harmandar K, Giray G, Önal E, Sengul IF, Özdemir S, Atilla D. New AB 3-type porphyrins with piperidine and morpholine motifs; synthesis and photo-physicochemical and biological properties. Dalton Trans 2023; 52:2672-2683. [PMID: 36745464 DOI: 10.1039/d2dt03738f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
In this study, new unsymmetrical meso-tetraaryl AB3-type porphyrins 1 and 2 were successfully synthesized by the reaction of p-bromobenzaldehyde and p-hydroxybenzaldehyde with pyrrole in propionic acid. AB3-type porphyrin building blocks with hydroxyl functionality (1 and 2) were further used to generate both covalently linked metal free and Zn(II) porphyrins 3-6 having piperidine and morpholine heterocyclic units. These novel compounds were characterized by using 1H NMR, 13C NMR, FT-IR and MALDI-TOF spectrophotometry. The photophysical and photochemical properties of compounds 1-6 were investigated by employing UV-vis absorption and fluorescence emission spectroscopy in tetrahydrofuran (THF). From the view of biological properties, the antioxidant capacities of porphyrins were determined by using DPPH radical scavenging activity and 2 was determined as the most potent porphyrin analog with a value of 98.42% at 200 mg L-1. All the targeted compounds displayed significant DNA nuclease activity. In addition, the antimicrobial potential of compounds 1-6 was also investigated by a micro-dilution process and 2 was found to be the most effective candidate against the tested microbial strains. The newly synthesized porphyrins also showed 100% microbial cell viability inhibition against E. coli at all examined concentrations. In terms of biofilm inhibition activity, the best results for the maximum photodynamic antimicrobial biofilm inhibition of S. aureus and P. aeruginosa were obtained by compound 2 with the values of 99.75% and 93.39%, respectively.
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Affiliation(s)
- Kevser Harmandar
- Gebze Technical University, Department of Chemistry, 41400, Gebze, Kocaeli, Turkey.
| | - Gülay Giray
- Department of Veterinary Medicine, Ihsangazi Technical Science Vocational School, Ihsangazi, Kastamonu, Turkey
| | - Emel Önal
- Doğuş University, Faculty of Engineering, Ümraniye, 34775, Istanbul, Turkey
| | - Ibrahim F Sengul
- Gebze Technical University, Department of Chemistry, 41400, Gebze, Kocaeli, Turkey.
| | - Sadin Özdemir
- Food Processing Programme, Technical Science Vocational School, Mersin University, TR-33343 Yenisehir, Mersin, Turkey
| | - Devrim Atilla
- Gebze Technical University, Department of Chemistry, 41400, Gebze, Kocaeli, Turkey.
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36
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Liu B, Yu X, Liu L, Wang L, Wang J, Huang Q, Xu Z, Luo C, Lou L, Huang W, Yang W. Modular Biomimetic Strategy Enabled Discovery of Simplified Pseudo-Natural Macrocyclic P-Glycoprotein Inhibitors Capable of Overcoming Multidrug Resistance. J Med Chem 2023; 66:2550-2565. [PMID: 36728755 DOI: 10.1021/acs.jmedchem.2c01424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Natural macrocycles have shown impressive activity to overcome P-glycoprotein (P-gp)-mediated multidrug resistance (MDR). However, the total synthesis and structural modification of natural macrocycles are challenging, which would hamper the deeper investigations of their structure-activity relationship (SAR) and drug likeness. Herein, we describe a modular biomimetic strategy to expeditiously achieve a new class of macrocycles featuring polysubstituted 1,3-diene, which efficiently inhibited P-gp and reversed MDR in cancer cells. The SAR analysis revealed that the size and linker of the macrocycles are important structural characteristics to restore activity. Particularly, 32 containing a naphthyl group and (d)-Phe moiety has higher potency with an excellent reversal fold than verapamil at a concentration of 5 μM, which induces conformational change of P-gp and inhibits its function instead of altering P-gp expression. Furthermore, 23 and 32 were identified to be attractive leads, which possess a good pharmacokinetic profile and antitumor activity in a KBV200 xenograft mouse model.
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Affiliation(s)
- Bo Liu
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Xueni Yu
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liping Liu
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Wang
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Wang
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Qianqian Huang
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Zhongliang Xu
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Cheng Luo
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.,State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liguang Lou
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Huang
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.,State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weibo Yang
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.,State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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37
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Linker S, Schellhaas C, Kamenik AS, Veldhuizen MM, Waibl F, Roth HJ, Fouché M, Rodde S, Riniker S. Lessons for Oral Bioavailability: How Conformationally Flexible Cyclic Peptides Enter and Cross Lipid Membranes. J Med Chem 2023; 66:2773-2788. [PMID: 36762908 PMCID: PMC9969412 DOI: 10.1021/acs.jmedchem.2c01837] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Indexed: 02/11/2023]
Abstract
Cyclic peptides extend the druggable target space due to their size, flexibility, and hydrogen-bonding capacity. However, these properties impact also their passive membrane permeability. As the "journey" through membranes cannot be monitored experimentally, little is known about the underlying process, which hinders rational design. Here, we use molecular simulations to uncover how cyclic peptides permeate a membrane. We show that side chains can act as "molecular anchors", establishing the first contact with the membrane and enabling insertion. Once inside, the peptides are positioned between headgroups and lipid tails─a unique polar/apolar interface. Only one of two distinct orientations at this interface allows for the formation of the permeable "closed" conformation. In the closed conformation, the peptide crosses to the lower leaflet via another "anchoring" and flipping mechanism. Our findings provide atomistic insights into the permeation process of flexible cyclic peptides and reveal design considerations for each step of the process.
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Affiliation(s)
- Stephanie
M. Linker
- Department
of Chemistry and Applied Biosciences, ETH
Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Christian Schellhaas
- Department
of Chemistry and Applied Biosciences, ETH
Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Anna S. Kamenik
- Department
of Chemistry and Applied Biosciences, ETH
Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Mac M. Veldhuizen
- Department
of Chemistry and Applied Biosciences, ETH
Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Franz Waibl
- Department
of Chemistry and Applied Biosciences, ETH
Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Hans-Jörg Roth
- Novartis
Institutes for BioMedical Research, Novartis
Pharma AG, Novartis Campus, 4056 Basel, Switzerland
| | - Marianne Fouché
- Novartis
Institutes for BioMedical Research, Novartis
Pharma AG, Novartis Campus, 4056 Basel, Switzerland
| | - Stephane Rodde
- Novartis
Institutes for BioMedical Research, Novartis
Pharma AG, Novartis Campus, 4056 Basel, Switzerland
| | - Sereina Riniker
- Department
of Chemistry and Applied Biosciences, ETH
Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
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38
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Song B, Guo X, Yang L, Yu H, Zong X, Liu X, Wang H, Xu Z, Lin Z, Yang W. Rhodium(III)-Catalyzed C-H/O 2 Dual Activation and Macrocyclization: Synthesis and Evaluation of Pyrido[2,1-a]isoindole Grafted Macrocyclic Inhibitors for Influenza H1N1. Angew Chem Int Ed Engl 2023; 62:e202218886. [PMID: 36788706 DOI: 10.1002/anie.202218886] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/13/2023] [Accepted: 02/13/2023] [Indexed: 02/16/2023]
Abstract
The development of environment-friendly, step economic couplings to generate structurally diverse macrocyclic compounds is highly desirable but poses a marked challenge. Inspired by the C-H oxidation mechanism of cytochromes P450, an unprecedented and practical RhIII -catalyzed acylmethylation macrocyclization via C-H/O2 dual activation has been developed by us. The process of macrocyclization is facilitated by a synergic coordination from pyridine and ester group. Interestingly, the reaction mode derives from a three-component coupling which differs from established olefination and alkylation paths. Density functional theory (DFT) calculations and control experiments revealed the mechanism of this unique C-H/O2 dual activation. The newly achieved acylmethylation macrocyclic products and their derivatives showed a potent anti-H1N1 bioactivity, which may provide an opportunity for the discovery of novel anti-H1N1 macrocyclic leading compounds.
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Affiliation(s)
- Bichao Song
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xueying Guo
- Department of Chemistry, The Hong Kong University of Science and Technology Clear Water Bay, Kowloon, Hong Kong, China
| | - Li Yang
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Haiyue Yu
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xinlei Zong
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210000, China
| | - Xiujuan Liu
- University of Chinese Academy of Sciences, Beijing, 100049, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Hao Wang
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhongliang Xu
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhenyang Lin
- Department of Chemistry, The Hong Kong University of Science and Technology Clear Water Bay, Kowloon, Hong Kong, China
| | - Weibo Yang
- State key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China.,School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210000, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
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39
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Wieske LHE, Atilaw Y, Poongavanam V, Erdélyi M, Kihlberg J. Going Viral: An Investigation into the Chameleonic Behaviour of Antiviral Compounds. Chemistry 2023; 29:e202202798. [PMID: 36286339 PMCID: PMC10107787 DOI: 10.1002/chem.202202798] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/23/2022] [Accepted: 10/25/2022] [Indexed: 12/15/2022]
Abstract
The ability to adjust conformations in response to the polarity of the environment, i.e. molecular chameleonicity, is considered to be important for conferring both high aqueous solubility and high cell permeability to drugs in chemical space beyond Lipinski's rule of 5. We determined the conformational ensembles populated by the antiviral drugs asunaprevir, simeprevir, atazanavir and daclatasvir in polar (DMSO-d6 ) and non-polar (chloroform) environments with NMR spectroscopy. Daclatasvir was fairly rigid, whereas the first three showed large flexibility in both environments, that translated into major differences in solvent accessible 3D polar surface area within each conformational ensemble. No significant differences in size and polar surface area were observed between the DMSO-d6 and chloroform ensembles of these three drugs. We propose that such flexible compounds are characterized as "partial molecular chameleons" and hypothesize that their ability to adopt conformations with low polar surface area contributes to their membrane permeability and oral absorption.
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Affiliation(s)
- Lianne H E Wieske
- Department of Chemistry - BMC, Uppsala University, Box 576, SE-751 23, Uppsala, Sweden
| | - Yoseph Atilaw
- Department of Chemistry - BMC, Uppsala University, Box 576, SE-751 23, Uppsala, Sweden
| | | | - Máté Erdélyi
- Department of Chemistry - BMC, Uppsala University, Box 576, SE-751 23, Uppsala, Sweden
| | - Jan Kihlberg
- Department of Chemistry - BMC, Uppsala University, Box 576, SE-751 23, Uppsala, Sweden
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40
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Slavish PJ, Cuypers MG, Rimmer MA, Abdolvahabi A, Jeevan T, Kumar G, Jarusiewicz JA, Vaithiyalingam S, Jones JC, Bowling JJ, Price JE, DuBois RM, Min J, Webby RJ, Rankovic Z, White SW. Chemical scaffold recycling: Structure-guided conversion of an HIV integrase inhibitor into a potent influenza virus RNA-dependent RNA polymerase inhibitor designed to minimize resistance potential. Eur J Med Chem 2023; 247:115035. [PMID: 36603507 DOI: 10.1016/j.ejmech.2022.115035] [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: 10/28/2022] [Revised: 12/14/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Influenza is one of the leading causes of disease-related mortalities worldwide. Several strategies have been implemented during the past decades to hinder the replication cycle of influenza viruses, all of which have resulted in the emergence of resistant virus strains. The most recent example is baloxavir marboxil, where a single mutation in the active site of the target endonuclease domain of the RNA-dependent-RNA polymerase renders the recent FDA approved compound ∼1000-fold less effective. Raltegravir is a first-in-class HIV inhibitor that shows modest activity to the endonuclease. Here, we have used structure-guided approaches to create rationally designed derivative molecules that efficiently engage the endonuclease active site. The design strategy was driven by our previously published structures of endonuclease-substrate complexes, which allowed us to target functionally conserved residues and reduce the likelihood of resistance mutations. We succeeded in developing low nanomolar equipotent inhibitors of both wild-type and baloxavir-resistant endonuclease. We also developed macrocyclic versions of these inhibitors that engage the active site in the same manner as their 'open' counterparts but with reduced affinity. Structural analyses provide clear avenues for how to increase the affinity of these cyclic compounds.
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Affiliation(s)
- Peter J Slavish
- Departments of Chemical Biology & Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Maxime G Cuypers
- Structural Biology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Mary Ashley Rimmer
- Departments of Chemical Biology & Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Alireza Abdolvahabi
- Departments of Chemical Biology & Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Trushar Jeevan
- Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Gyanendra Kumar
- Structural Biology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Jamie A Jarusiewicz
- Departments of Chemical Biology & Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | | | - Jeremy C Jones
- Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - John J Bowling
- Departments of Chemical Biology & Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Jeanine E Price
- Departments of Chemical Biology & Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Rebecca M DuBois
- Baskin School of Engineering, University of California at Santa Cruz, Santa Cruz, CA, 95064, USA
| | - Jaeki Min
- Departments of Chemical Biology & Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Richard J Webby
- Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Zoran Rankovic
- Departments of Chemical Biology & Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA.
| | - Stephen W White
- Structural Biology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA.
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Zhang B, Zheng K, Hong R. Biomimetic Synthesis of Chejuenolides A-C by a Cryptic Lactone-Based Macrocyclization: Stereochemical Implications in Biosynthesis. ACS CENTRAL SCIENCE 2023; 9:84-92. [PMID: 36712486 PMCID: PMC9881209 DOI: 10.1021/acscentsci.2c01096] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Indexed: 06/18/2023]
Abstract
A hypothetical Mannich macrocyclization in the biosynthesis of chejuenolides A-C served as the basis for the synthetic design herein. Using a lactone-based linear precursor constructed via a tactic sequence of aldol-Julia-aldol reactions on a gram scale, the biomimetic total synthesis and structural validation of chejuenolides A-C were successfully achieved for the first time. The β-oxo-δ-lactone unit in the macrocyclized adducts was fragile and readily converted to a series of C2/C18-diastereoisomers via a decarboxylation and protonation pathway. Stereochemical identification of the biosynthetic precursor (O3P2) confirmed structural adherence to the given macrocycles and previously clarified lankacidins. Moreover, the stereovariants of the linear precursor designed for the macrocyclization event highlighted the unparalleled impact of using this biomimetic approach to determine the stereoselectivity in the proposed enzymatic reaction by reviving the lost or unstable intermediate.
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Affiliation(s)
- Bingbing Zhang
- CAS
Key Laboratory of Synthetic Chemistry of Natural Substances, Center
for Excellence in Molecular Synthesis, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, PR China
- University
of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Kuan Zheng
- CAS
Key Laboratory of Synthetic Chemistry of Natural Substances, Center
for Excellence in Molecular Synthesis, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, PR China
| | - Ran Hong
- CAS
Key Laboratory of Synthetic Chemistry of Natural Substances, Center
for Excellence in Molecular Synthesis, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, PR China
- University
of Chinese Academy of Sciences, Beijing 100049, PR China
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Clément DA, Gelin M, Leseigneur C, Huteau V, Mondange L, Pons JL, Dussurget O, Lionne C, Labesse G, Pochet S. Synthesis and structure-activity relationship studies of original cyclic diadenosine derivatives as nanomolar inhibitors of NAD kinase from pathogenic bacteria. Eur J Med Chem 2023; 246:114941. [PMID: 36455355 DOI: 10.1016/j.ejmech.2022.114941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 11/24/2022]
Abstract
Nicotinamide adenine dinucleotide kinases (NAD kinases) are essential and ubiquitous enzymes involved in the production of NADP(H) which is an essential cofactor in many metabolic pathways. Targeting NAD kinase (NADK), a rate limiting enzyme of NADP biosynthesis pathway, represents a new promising approach to treat bacterial infections. Previously, we have produced the first NADK inhibitor active against staphylococcal infection. From this linear di-adenosine derivative, namely NKI1, we designed macrocyclic analogues. Here, we describe the synthesis and evaluation of an original series of cyclic diadenosine derivatives as NADK inhibitors of two pathogenic bacteria, Listeria monocytogenes and Staphylococcus aureus. The nature and length of the link between the two adenosine units were examined leading to sub-micromolar inhibitors of NADK1 from L. monocytogenes, including its most potent in vitro inhibitor reported so far (with a 300-fold improvement compared to NKI1).
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Affiliation(s)
- David A Clément
- Institut Pasteur, Université Paris Cité, CNRS UMR3523, Unité de Chimie et Biocatalyse, F-75015, Paris, France
| | - Muriel Gelin
- Centre de Biologie Structurale (CBS), CNRS UMR5048, INSERM U1054, Université de Montpellier, 34090, Montpellier, France
| | - Clarisse Leseigneur
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, Unité de Recherche Yersinia, F-75015, Paris, France
| | - Valérie Huteau
- Institut Pasteur, Université Paris Cité, CNRS UMR3523, Unité de Chimie et Biocatalyse, F-75015, Paris, France
| | - Lou Mondange
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, Unité de Recherche Yersinia, F-75015, Paris, France
| | - Jean-Luc Pons
- Centre de Biologie Structurale (CBS), CNRS UMR5048, INSERM U1054, Université de Montpellier, 34090, Montpellier, France
| | - Olivier Dussurget
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, Unité de Recherche Yersinia, F-75015, Paris, France
| | - Corinne Lionne
- Centre de Biologie Structurale (CBS), CNRS UMR5048, INSERM U1054, Université de Montpellier, 34090, Montpellier, France
| | - Gilles Labesse
- Centre de Biologie Structurale (CBS), CNRS UMR5048, INSERM U1054, Université de Montpellier, 34090, Montpellier, France.
| | - Sylvie Pochet
- Institut Pasteur, Université Paris Cité, CNRS UMR3523, Unité de Chimie et Biocatalyse, F-75015, Paris, France.
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Synthetic star shaped tetra-tailed biocompatible supramolecular amphiphile as an efficient nanocarrier for Amphotericin B. Chem Phys Lipids 2023; 250:105257. [PMID: 36370890 DOI: 10.1016/j.chemphyslip.2022.105257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/23/2022] [Accepted: 11/08/2022] [Indexed: 11/11/2022]
Abstract
Macrocycle-based amphiphiles are capable of self-assembling into multidimensional nano-architecture with defined dimensions for various applications. Herein we report the synthesis, physio-chemical characterizations and oral drug delivery profiling of resorcinarene-based amphiphilic supramolecular macrocycle. The macrocycle was synthesized in two-step reaction and characterized using 1H NMR, Mass spectrometry and IR spectroscopic techniques. The synthesized macrocycle was assessed for vesicles formation, checked for biocompatibility and then Amphotericin B (Amp-B) was entrapped in macrocycle-based vesicles. The drug loaded vesicles were characterized for shape, size, homogeneity, drug entrapment, surface charge, in-vitro release profile and stability. Amp-B loaded macrocycle based vesicles were examined in rabbits for in-vivo bioavailability and compared with plan drug suspension. The synthesized macrocycle was non-toxic in normal mouse fibroblast cells, compatible with blood and safe in mice. The drug loaded macrocycle based vesicles appeared spherical with 279.4 nm size and - 12.2 mV zeta potential loading 85.45 % drug. The drug loaded vesicles storage stability for 30 days and gastric fluid stability for 1 h were it retained nearly 90 % drug at 30th day and 83.79 % drug at 1 h in gastric fluid. Oral bioavailability of Amp-B in rabbits was markedly enhanced when delivered in synthesized macrocycle based vesicles in comparison with plan drug suspension. Results of this study indicate that the synthesized star shaped tetra-tailed supramolecular amphiphile could be used as an efficient nanocarrier for enhancing oral bioavailability of drugs with solubility and bioavailability issues like Amp-B.
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Zhao Z, Dong R, Cui K, You Q, Jiang Z. An updated patent review of Nrf2 activators (2020-present). Expert Opin Ther Pat 2023; 33:29-49. [PMID: 36800917 DOI: 10.1080/13543776.2023.2178299] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
INTRODUCTION The nuclear factor erythroid 2-related factor 2 (Nrf2) is a pivotal transcription factor that controls the expression of numerous cytoprotective genes and regulates cellular defense system against oxidative insults. Thus, activating the Nrf2 pathway is a promising strategy for the treatment of various chronic diseases characterized by oxidative stress. AREAS COVERED This review first discusses the biological effects of Nrf2 and the regulatory mechanism of Kelch-like ECH-associated protein 1-Nrf2-antioxidant response element (Keap1-Nrf2-ARE) pathway. Then, Nrf2 activators (2020-present) are summarized based on the mechanism of action. The case studies consist of chemical structures, biological activities, structural optimization, and clinical development. EXPERT OPINION Extensive efforts have been devoted to developing novel Nrf2 activators with improved potency and drug-like properties. These Nrf2 activators have exhibited beneficial effects in in vitro and in vivo models of oxidative stress-related chronic diseases. However, some specific problems, such as target selectivity and brain blood barrier (BBB) permeability, still need to be addressed in the future.
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Affiliation(s)
- Ziquan Zhao
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Ruitian Dong
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Keni Cui
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Qidong You
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zhengyu Jiang
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
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Previti S, Desgagné M, Tourwé D, Cavelier F, Sarret P, Ballet S. Opening the amino acid toolbox for peptide-based NTS2-selective ligands as promising lead compounds for pain management. J Pept Sci 2022; 29:e3471. [PMID: 36539999 DOI: 10.1002/psc.3471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/17/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
Chronic pain is one of the most critical health issues worldwide. Despite considerable efforts to find therapeutic alternatives, opioid drugs remain the gold standard for pain management. The administration of μ-opioid receptor (MOR) agonists is associated with detrimental and limiting adverse effects. Overall, these adverse effects strongly overshadow the effectiveness of opioid therapy. In this context, the development of neurotensin (NT) ligands has shown to be a promising approach for the management of chronic and acute pain. NT exerts its opioid-independent analgesic effects through the binding of two G protein-coupled receptors (GPCRs), NTS1 and NTS2. In the last decades, modified NT analogues have been proven to provide potent analgesia in vivo. However, selective NTS1 and nonselective NTS1/NTS2 ligands cause antinociception associated with hypothermia and hypotension, whereas selective NTS2 ligands induce analgesia without altering the body temperature and blood pressure. In light of this, various structure-activity relationship (SAR) studies provided findings addressing the binding affinity of ligands towards NTS2. Herein, we comprehensively review peptide-based NTS2-selective ligands as a robust alternative for future pain management. Particular emphasis is placed on SAR studies governing the desired selectivity and associated in vivo results.
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Affiliation(s)
- Santo Previti
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Brussels, Belgium.,Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Michael Desgagné
- Department of Pharmacology-Physiology, Faculty of Medicine and Health Sciences, Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Dirk Tourwé
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
| | - Florine Cavelier
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS, Université de Montpellier, ENSCM, Montpellier, France
| | - Philippe Sarret
- Department of Pharmacology-Physiology, Faculty of Medicine and Health Sciences, Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Steven Ballet
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
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Selective disruption of NRF2-KEAP1 interaction leads to NASH resolution and reduction of liver fibrosis in mice. JHEP Rep 2022; 5:100651. [PMID: 36866391 PMCID: PMC9971056 DOI: 10.1016/j.jhepr.2022.100651] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 11/25/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
Background & Aims Oxidative stress is recognized as a major driver of non-alcoholic steatohepatitis (NASH) progression. The transcription factor NRF2 and its negative regulator KEAP1 are master regulators of redox, metabolic and protein homeostasis, as well as detoxification, and thus appear to be attractive targets for the treatment of NASH. Methods Molecular modeling and X-ray crystallography were used to design S217879 - a small molecule that could disrupt the KEAP1-NRF2 interaction. S217879 was highly characterized using various molecular and cellular assays. It was then evaluated in two different NASH-relevant preclinical models, namely the methionine and choline-deficient diet (MCDD) and diet-induced obesity NASH (DIO NASH) models. Results Molecular and cell-based assays confirmed that S217879 is a highly potent and selective NRF2 activator with marked anti-inflammatory properties, as shown in primary human peripheral blood mononuclear cells. In MCDD mice, S217879 treatment for 2 weeks led to a dose-dependent reduction in NAFLD activity score while significantly increasing liver Nqo1 mRNA levels, a specific NRF2 target engagement biomarker. In DIO NASH mice, S217879 treatment resulted in a significant improvement of established liver injury, with a clear reduction in both NAS and liver fibrosis. αSMA and Col1A1 staining, as well as quantification of liver hydroxyproline levels, confirmed the reduction in liver fibrosis in response to S217879. RNA-sequencing analyses revealed major alterations in the liver transcriptome in response to S217879, with activation of NRF2-dependent gene transcription and marked inhibition of key signaling pathways that drive disease progression. Conclusions These results highlight the potential of selective disruption of the NRF2-KEAP1 interaction for the treatment of NASH and liver fibrosis. Impact and implications We report the discovery of S217879 - a potent and selective NRF2 activator with good pharmacokinetic properties. By disrupting the KEAP1-NRF2 interaction, S217879 triggers the upregulation of the antioxidant response and the coordinated regulation of a wide spectrum of genes involved in NASH disease progression, leading ultimately to the reduction of both NASH and liver fibrosis progression in mice.
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Key Words
- 4-HNE, 4-hydroxynonenal
- ARE, antioxidant response element
- DIO, diet-induced obesity
- GSEA, Gene Set Enrichment Analysis
- HEC, hydroxyethyl cellulose
- HSCs, Hepatic Stellate Cells
- KEAP1, Kelch-like ECH associated protein 1
- LPS, lipopolysaccharide
- MCDD, methionine- and choline-deficient diet
- NAFLD, non-alcoholic fatty liver disease
- NAS, NAFLD activity score
- NASH
- NASH, non-alcoholic steatohepatitis
- NRF2
- NRF2, nuclear factor erythroid 2–related factor 2
- PPI, Protein-protein interaction
- PSR, Picrosirius red
- ROS, reactive oxygen species
- fibrosis
- hPBMCs, human peripheral blood mononuclear cells
- oxidative stress
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Tang K, Wang S, Gao W, Song Y, Yu B. Harnessing the cyclization strategy for new drug discovery. Acta Pharm Sin B 2022; 12:4309-4326. [PMID: 36562004 PMCID: PMC9764076 DOI: 10.1016/j.apsb.2022.09.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/07/2022] [Accepted: 09/23/2022] [Indexed: 12/25/2022] Open
Abstract
The design of new ligands with high affinity and specificity against the targets of interest has been a central focus in drug discovery. As one of the most commonly used methods in drug discovery, the cyclization represents a feasible strategy to identify new lead compounds by increasing structural novelty, scaffold diversity and complexity. Such strategy could also be potentially used for the follow-on drug discovery without patent infringement. In recent years, the cyclization strategy has witnessed great success in the discovery of new lead compounds against different targets for treating various diseases. Herein, we first briefly summarize the use of the cyclization strategy in the discovery of new small-molecule lead compounds, including the proteolysis targeting chimeras (PROTAC) molecules. Particularly, we focus on four main strategies including fused ring cyclization, chain cyclization, spirocyclization and macrocyclization and highlight the use of the cyclization strategy in lead generation. Finally, the challenges including the synthetic intractability, relatively poor pharmacokinetics (PK) profiles and the absence of the structural information for rational structure-based cyclization are also briefly discussed. We hope this review, not exhaustive, could provide a timely overview on the cyclization strategy for the discovery of new lead compounds.
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48
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Qi X, Jiang S, Hui Z, Gao Y, Ye Y, Lirussi F, Garrido C, Xu L, He X, Bai R, Ye XY, Xie T. Design, synthesis and antitumor efficacy evaluation of a series of novel β-elemene-based macrocycles. Bioorg Med Chem 2022; 74:117049. [DOI: 10.1016/j.bmc.2022.117049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/15/2022] [Accepted: 10/04/2022] [Indexed: 11/26/2022]
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49
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Sueca-Comes M, Rusu EC, Grabowska AM, Bates DO. Looking Under the Lamppost: The Search for New Cancer Targets in the Human Kinome. Pharmacol Rev 2022; 74:1136-1145. [PMID: 36180110 DOI: 10.1124/pharmrev.121.000410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 02/02/2022] [Accepted: 02/15/2022] [Indexed: 11/22/2022] Open
Abstract
The number of cancer drugs is increasing as new chemical entities are developed to target molecules, often protein kinases, driving cancer progression. In 2009, Fedorov et al. identified that of the protein kinases in the human kinome, most of the focus has been on a small subset. They highlighted that many poorly investigated protein kinases were cancer drivers, but there was no relationship between publications and involvement in cancer development or progression. Since 2009, there has been a doubling in the number of publications, patents, and drugs targeting the kinome. To determine whether this was an expansion in knowledge of well-studied targets-searching in the light under the lamppost-or an explosion of investigations into previously poorly investigated targets, we searched the literature for publications on each kinase, updating Federov et al.'s assessment of the druggable kinome. The proportion of papers focusing on the 50 most-studied kinases had not changed, and the makeup of those 50 had barely changed. The majority of new drugs (80%) were against the same group of 50 kinases identified as targets 10 years ago, and the proportion of studies investigating previously poorly investigated kinases (<1%) was unchanged. With three exceptions [p38 mitogenactivated protein kinase (p38a), AMP-activated protein kinase catalytic α-subunit 1,2, and B-Raf proto-oncogene (BRAF) serine/threonine kinase], >95% of publications addressing kinases still focused on a relatively small proportion (<50%) of the human kinome independently of their involvement as cancer drivers. There is, therefore, still extensive scope for discovery of therapeutics targeting different protein kinases in cancer and still a bias toward well-characterized targets over the innovative searchlight into the unknown. SIGNIFICANCE STATEMENT: This study presents evidence that drug discovery efforts in cancer are still to some extent focused on a narrow group of well-studied kinases 10 years after the identification of multiple novel cancer targets in the human kinome. This suggests that there is still room for researchers in academia, industry, and the not-for-profit sector to develop new and diverse therapies targeting kinases for cancer.
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Affiliation(s)
- Mireia Sueca-Comes
- Division of Cancer and Stem Cells, Centre for Cancer Sciences, Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom (M.S.-C., A.M.G., D.O.B.); Institute of Integrative Systems Biology (I2Sysbio), University of Valencia and Consejo Superior de Investigaciones Científicas, Valencia, Spain (E.C.R.); and SeqPlexing SL, Valencia, Spain (E.C.R.)
| | - Elena Cristina Rusu
- Division of Cancer and Stem Cells, Centre for Cancer Sciences, Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom (M.S.-C., A.M.G., D.O.B.); Institute of Integrative Systems Biology (I2Sysbio), University of Valencia and Consejo Superior de Investigaciones Científicas, Valencia, Spain (E.C.R.); and SeqPlexing SL, Valencia, Spain (E.C.R.)
| | - Anna M Grabowska
- Division of Cancer and Stem Cells, Centre for Cancer Sciences, Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom (M.S.-C., A.M.G., D.O.B.); Institute of Integrative Systems Biology (I2Sysbio), University of Valencia and Consejo Superior de Investigaciones Científicas, Valencia, Spain (E.C.R.); and SeqPlexing SL, Valencia, Spain (E.C.R.)
| | - David O Bates
- Division of Cancer and Stem Cells, Centre for Cancer Sciences, Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom (M.S.-C., A.M.G., D.O.B.); Institute of Integrative Systems Biology (I2Sysbio), University of Valencia and Consejo Superior de Investigaciones Científicas, Valencia, Spain (E.C.R.); and SeqPlexing SL, Valencia, Spain (E.C.R.)
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50
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Williams-Noonan BJ, Speer MN, Le TC, Sadek MM, Thompson PE, Norton RS, Yuriev E, Barlow N, Chalmers DK, Yarovsky I. Membrane Permeating Macrocycles: Design Guidelines from Machine Learning. J Chem Inf Model 2022; 62:4605-4619. [PMID: 36178379 DOI: 10.1021/acs.jcim.2c00809] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The ability to predict cell-permeable candidate molecules has great potential to assist drug discovery projects. Large molecules that lie beyond the Rule of Five (bRo5) are increasingly important as drug candidates and tool molecules for chemical biology. However, such large molecules usually do not cross cell membranes and cannot access intracellular targets or be developed as orally bioavailable drugs. Here, we describe a random forest (RF) machine learning model for the prediction of passive membrane permeation rates developed using a set of over 1000 bRo5 macrocyclic compounds. The model is based on easily calculated chemical features/descriptors as independent variables. Our random forest (RF) model substantially outperforms a multiple linear regression model based on the same features and achieves better performance metrics than previously reported models using the same underlying data. These features include: (1) polar surface area in water, (2) the octanol-water partitioning coefficient, (3) the number of hydrogen-bond donors, (4) the sum of the topological distances between nitrogen atoms, (5) the sum of the topological distances between nitrogen and oxygen atoms, and (6) the multiple molecular path count of order 2. The last three features represent molecular flexibility, the ability of the molecule to adopt different conformations in the aqueous and membrane interior phases, and the molecular "chameleonicity." Guided by the model, we propose design guidelines for membrane-permeating macrocycles. It is anticipated that this model will be useful in guiding the design of large, bioactive molecules for medicinal chemistry and chemical biology applications.
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Affiliation(s)
- Billy J Williams-Noonan
- School of Engineering, RMIT University, Melbourne3001, Australia.,Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville3052, Australia
| | - Melissa N Speer
- University of Melbourne, Faculty of Engineering and Information Technology, Carlton3053, Australia
| | - Tu C Le
- School of Engineering, RMIT University, Melbourne3001, Australia
| | - Maiada M Sadek
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville3052, Australia
| | - Philip E Thompson
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville3052, Australia
| | - Raymond S Norton
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville3052, Australia.,ARC Centre for Fragment-Based Design, Monash University, Parkville, 3052, Australia
| | - Elizabeth Yuriev
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville3052, Australia
| | - Nicholas Barlow
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville3052, Australia
| | - David K Chalmers
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville3052, Australia
| | - Irene Yarovsky
- School of Engineering, RMIT University, Melbourne3001, Australia
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