1
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Ding Y, Pedersen SS, Wang H, Xiang B, Wang Y, Yang Z, Gao Y, Morosan E, Jones MR, Xiao H, Ball ZT. Selective Macrocyclization of Unprotected Peptides with an Ex Situ Gaseous Linchpin Reagent. Angew Chem Int Ed Engl 2024; 63:e202405344. [PMID: 38753429 DOI: 10.1002/anie.202405344] [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: 03/18/2024] [Indexed: 07/16/2024]
Abstract
Peptide cyclization has dramatic effects on a variety of important properties, enhancing metabolic stability, limiting conformational flexibility, and altering cellular entry and intracellular localization. The hydrophilic, polyfunctional nature of peptides creates chemoselectivity challenges in macrocyclization, especially for natural sequences without biorthogonal handles. Herein, we describe a gaseous sulfonyl chloride derived reagent that achieves amine-amine, amine-phenol, and amine-aniline crosslinking through a minimalist linchpin strategy that affords macrocyclic urea or carbamate products. The cyclization reaction is metal-mediated and involves a novel application of sulfine species that remains unexplored in aqueous or biological contexts. The aqueous method delivers unique cyclic or bicyclic topologies directly from a variety of natural bioactive peptides without the need for protecting-group strategies.
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Affiliation(s)
- Yuxuan Ding
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Simon S Pedersen
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000, Aarhus C, Denmark
| | - Haofan Wang
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Baorui Xiang
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Yixian Wang
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Zhi Yang
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Yuxiang Gao
- Department of Physics and Astronomy, Rice University, Houston, Texas, 77005, United States
| | - Emilia Morosan
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
- Department of Physics and Astronomy, Rice University, Houston, Texas, 77005, United States
| | - Matthew R Jones
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Han Xiao
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
| | - Zachary T Ball
- Department of Chemistry, Rice University, Houston, Texas, 77005, United States
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2
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Bachurska-Szpala P, Chojnacki R, Pulka-Ziach K. Intramolecular lactam cross-linking of short oligoureas. J Pept Sci 2024:e3644. [PMID: 39010660 DOI: 10.1002/psc.3644] [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: 03/22/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/17/2024]
Abstract
Oligourea foldamers are known to fold into 2.5-helices, stabilized by three-centered hydrogen bonds, which makes them conformationally more rigid than peptides. Nevertheless, the folding propensity and conformational stability in solution depend on the length of the oligomer, as well as the temperature, solvent, and so forth. In the peptide field, there are many approaches known for constraining the backbone in the folded conformation, including the stapling of side chains by disulfide bridges, lactam formation, ring closing metathesis reaction, and others. In this work, we linked side chains by lactam bridges of short oligoureas (four residues), containing Glu- and Lys-like residues. The designed oligoureas differed in the position of the Glu-like residue. Next, the conformational properties of linear and cyclic compounds were studied in protic solvent (methanol) by nuclear magnetic resonance and circular dichroism. Importantly, it was discovered that larger macrocycles (24-membered) are more tolerated with respect to the helical turn than smaller macrocycles (19-membered) under the studied conditions.
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3
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Xue J, Fu Y, Li H, Zhang T, Cong W, Hu H, Lu Z, Yan F, Li Y. All-hydrocarbon stapling enables improvement of antimicrobial activity and proteolytic stability of peptide Figainin 2. J Pept Sci 2024; 30:e3566. [PMID: 38271799 DOI: 10.1002/psc.3566] [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: 11/23/2023] [Revised: 12/21/2023] [Accepted: 12/28/2023] [Indexed: 01/27/2024]
Abstract
Figainin 2 is a cationic, hydrophobic, α-helical host-defense peptide with 28 residues, which was isolated from the skin secretions of the Chaco tree frog. It shows potent inhibitory activity against both Gram-negative and Gram-positive pathogens and has garnered considerable interest in developing novel classes of natural antibacterial agents. However, as a linear peptide, conformational flexibility and poor proteolytic stability hindered its development as antibacterial agent. To alleviate its susceptibility to proteolytic degradation and improve its antibacterial activity, a series of hydrocarbon-stable analogs of Figainin 2 were synthesized and evaluated for their secondary structure, protease stability, antimicrobial, and hemolytic activities. Among them, F2-12 showed significant improvement in protease resistance and antimicrobial activity compared to that of the template peptide. This study provides a promising strategy for the development of antimicrobial drugs.
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Affiliation(s)
- Jingwen Xue
- School of Medicine, Weifang Medical University, Weifang, Shandong, People's Republic of China
| | - Yinxue Fu
- School of Pharmaceutical Sciences and Institute of Materia Medica, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, People's Republic of China
| | - Huang Li
- School of Medicine, Shanghai University, Shanghai, People's Republic of China
| | - Ting Zhang
- School of Pharmaceutical Sciences and Institute of Materia Medica, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, People's Republic of China
| | - Wei Cong
- School of Medicine, Shanghai University, Shanghai, People's Republic of China
| | - Honggang Hu
- School of Medicine, Shanghai University, Shanghai, People's Republic of China
| | - Zhiyuan Lu
- School of Pharmaceutical Sciences and Institute of Materia Medica, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, People's Republic of China
| | - Fang Yan
- School of Medicine, Weifang Medical University, Weifang, Shandong, People's Republic of China
| | - Yulei Li
- School of Pharmaceutical Sciences and Institute of Materia Medica, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, People's Republic of China
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4
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Feng Y, Qirjollari A, Fawaz MV, Cancilla MT, Gonzalez RJ, Pearson K. Rapid and Definitive Identification of Cyclic Peptide Soft Spots by Isotope-Labeled Reductive Dimethylation and Mass Spectrometry Fragmentation. Anal Chem 2024; 96:7756-7762. [PMID: 38690743 DOI: 10.1021/acs.analchem.4c01372] [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: 05/03/2024]
Abstract
Cyclic peptides are an emerging therapeutic modality over the past few decades. To identify drug candidates with sufficient proteolytic stability for oral administration, it is critical to pinpoint the amide bond hydrolysis sites, or soft spots, to better understand their metabolism and provide guidance on further structure optimization. However, the unambiguous characterization of cyclic peptide soft spots remains a significant challenge during early stage discovery studies, as amide bond hydrolysis forms a linearized isobaric sequence with the addition of a water molecule, regardless of the amide hydrolysis location. In this study, an innovative strategy was developed to enable the rapid and definitive identification of cyclic peptide soft spots by isotope-labeled reductive dimethylation and mass spectrometry fragmentation. The dimethylated immonium ion with enhanced MS signal at a distinctive m/z in MS/MS fragmentation spectra reveals the N-terminal amino acid on a linearized peptide sequence definitively and, thus, significantly simplifies the soft spot identification workflow. This approach has been evaluated to demonstrate the potential of isotope-labeled dimethylation to be a powerful analytical tool in cyclic peptide drug discovery and development.
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Affiliation(s)
- Yu Feng
- Nonclinical Drug Safety, MRL, Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
| | - Athanasia Qirjollari
- Nonclinical Drug Safety, MRL, Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
| | - Maria V Fawaz
- Pharmacokinetics, Dynamics, Metabolism, and Bioanalytics, MRL, Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
| | - Mark T Cancilla
- Pharmacokinetics, Dynamics, Metabolism, and Bioanalytics, MRL, Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
| | - Raymond J Gonzalez
- Nonclinical Drug Safety, MRL, Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
| | - Kara Pearson
- Nonclinical Drug Safety, MRL, Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
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5
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Li Y, Wu M, Fu Y, Xue J, Yuan F, Qu T, Rissanou AN, Wang Y, Li X, Hu H. Therapeutic stapled peptides: Efficacy and molecular targets. Pharmacol Res 2024; 203:107137. [PMID: 38522761 DOI: 10.1016/j.phrs.2024.107137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 03/26/2024]
Abstract
Peptide stapling, by employing a stable, preformed alpha-helical conformation, results in the production of peptides with improved membrane permeability and enhanced proteolytic stability, compared to the original peptides, and provides an effective solution to accelerate the rapid development of peptide drugs. Various reviews present peptide stapling chemistries, anchoring residues and one- or two-component cyclization, however, therapeutic stapled peptides have not been systematically summarized, especially focusing on various disease-related targets. This review highlights the latest advances in therapeutic peptide drug development facilitated by the application of stapling technology, including different stapling techniques, synthetic accessibility, applicability to biological targets, potential for solving biological problems, as well as the current status of development. Stapled peptides as therapeutic drug candidates have been classified and analysed mainly by receptor- and ligand-based stapled peptide design against various diseases, including cancer, infectious diseases, inflammation, and diabetes. This review is expected to provide a comprehensive reference for the rational design of stapled peptides for different diseases and targets to facilitate the development of therapeutic peptides with enhanced pharmacokinetic and biological properties.
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Affiliation(s)
- Yulei Li
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China.
| | - Minghao Wu
- School of Medicine, Shanghai University, 99 Shangda Road, Shanghai 200444, China
| | - Yinxue Fu
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China
| | - Jingwen Xue
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China
| | - Fei Yuan
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China
| | - Tianci Qu
- School of Pharmaceutical Sciences & Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China
| | - Anastassia N Rissanou
- Theoretical & Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens 11635, Greece
| | - Yilin Wang
- Department of Hepatic Surgery, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China
| | - Xiang Li
- School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai, 200433, China.
| | - Honggang Hu
- School of Medicine, Shanghai University, 99 Shangda Road, Shanghai 200444, China.
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6
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Walther R, Westermann LM, Carmali S, Jackson SE, Brötz-Oesterhelt H, Spring DR. Identification of macrocyclic peptides which activate bacterial cylindrical proteases. RSC Med Chem 2023; 14:1186-1191. [PMID: 37360394 PMCID: PMC10285738 DOI: 10.1039/d3md00136a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 05/15/2023] [Indexed: 06/28/2023] Open
Abstract
The caseinolytic protease complex ClpXP is an important house-keeping enzyme in prokaryotes charged with the removal and degradation of misfolded and aggregated proteins and performing regulatory proteolysis. Dysregulation of its function, particularly by inhibition or allosteric activation of the proteolytic core ClpP, has proven to be a promising strategy to reduce virulence and eradicate persistent bacterial infections. Here, we report a rational drug-design approach to identify macrocyclic peptides which increase proteolysis by ClpP. This work expands the understanding of ClpP dynamics and sheds light on the conformational control exerted by its binding partner, the chaperone ClpX, by means of a chemical approach. The identified macrocyclic peptide ligands may, in the future, serve as a starting point for the development of ClpP activators for antibacterial applications.
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Affiliation(s)
- Raoul Walther
- Yusuf Hamied Department of Chemistry, University of Cambridge Lensfield Road CB2 1EW Cambridge UK
| | - Linda M Westermann
- Interfaculty Institute of Microbiology and Infection Medicine, Dept. of Bioactive Compounds, University of Tübingen Auf der Morgenstelle 28 72076 Tübingen Germany
| | - Sheiliza Carmali
- School of Pharmacy, Queen's University Belfast BT9 7BL Belfast UK
| | - Sophie E Jackson
- Yusuf Hamied Department of Chemistry, University of Cambridge Lensfield Road CB2 1EW Cambridge UK
| | - Heike Brötz-Oesterhelt
- Interfaculty Institute of Microbiology and Infection Medicine, Dept. of Bioactive Compounds, University of Tübingen Auf der Morgenstelle 28 72076 Tübingen Germany
- Cluster of Excellence Controlling Microbes to Fight Infections Germany
| | - David R Spring
- Yusuf Hamied Department of Chemistry, University of Cambridge Lensfield Road CB2 1EW Cambridge UK
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7
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Graziano G, Stefanachi A, Contino M, Prieto-Díaz R, Ligresti A, Kumar P, Scilimati A, Sotelo E, Leonetti F. Multicomponent Reaction-Assisted Drug Discovery: A Time- and Cost-Effective Green Approach Speeding Up Identification and Optimization of Anticancer Drugs. Int J Mol Sci 2023; 24:ijms24076581. [PMID: 37047554 PMCID: PMC10095429 DOI: 10.3390/ijms24076581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
Multicomponent reactions (MCRs) have emerged as a powerful strategy in synthetic organic chemistry due to their widespread applications in drug discovery and development. MCRs are flexible transformations in which three or more substrates react to form structurally complex products with high atomic efficiency. They are being increasingly appreciated as a highly exploratory and evolutionary tool by the medicinal chemistry community, opening the door to more sustainable, cost-effective and rapid synthesis of biologically active molecules. In recent years, MCR-based synthetic strategies have found extensive application in the field of drug discovery, and several anticancer drugs have been synthesized through MCRs. In this review, we present an overview of representative and recent literature examples documenting different approaches and applications of MCRs in the development of new anticancer drugs.
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Affiliation(s)
- Giovanni Graziano
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
- Center for Research in Biological Chemistry and Molecular Materials (CiQUS), Department of Organic Chemistry, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Angela Stefanachi
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
| | - Marialessandra Contino
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
| | - Rubén Prieto-Díaz
- Center for Research in Biological Chemistry and Molecular Materials (CiQUS), Department of Organic Chemistry, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Alessia Ligresti
- Institute of Biomolecular Chemistry, National Research Council of Italy, 80078 Pozzuoli, Italy
| | - Poulami Kumar
- Institute of Biomolecular Chemistry, National Research Council of Italy, 80078 Pozzuoli, Italy
| | - Antonio Scilimati
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
| | - Eddy Sotelo
- Center for Research in Biological Chemistry and Molecular Materials (CiQUS), Department of Organic Chemistry, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Francesco Leonetti
- Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy
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8
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Komar AA. Molecular Peptide Grafting as a Tool to Create Novel Protein Therapeutics. Molecules 2023; 28:2383. [PMID: 36903628 PMCID: PMC10005171 DOI: 10.3390/molecules28052383] [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: 02/11/2023] [Revised: 02/26/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
The study of peptides (synthetic or corresponding to discrete regions of proteins) has facilitated the understanding of protein structure-activity relationships. Short peptides can also be used as powerful therapeutic agents. However, the functional activity of many short peptides is usually substantially lower than that of their parental proteins. This is (as a rule) due to their diminished structural organization, stability, and solubility often leading to an enhanced propensity for aggregation. Several approaches have emerged to overcome these limitations, which are aimed at imposing structural constraints into the backbone and/or sidechains of the therapeutic peptides (such as molecular stapling, peptide backbone circularization and molecular grafting), therefore enforcing their biologically active conformation and thus improving their solubility, stability, and functional activity. This review provides a short summary of approaches aimed at enhancing the biological activity of short functional peptides with a particular focus on the peptide grafting approach, whereby a functional peptide is inserted into a scaffold molecule. Intra-backbone insertions of short therapeutic peptides into scaffold proteins have been shown to enhance their activity and render them a more stable and biologically active conformation.
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Affiliation(s)
- Anton A. Komar
- Center for Gene Regulation in Health and Disease, Department of Biological, Geological and Environmental Sciences, Cleveland State University, 2121 Euclid Avenue, Cleveland, OH 44115, USA; ; Tel.: +1-216-687-2516
- Department of Biochemistry and Center for RNA Science and Therapeutics, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
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9
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Lee MF, Anasir MI, Poh CL. Development of novel antiviral peptides against dengue serotypes 1-4. Virology 2023; 580:10-27. [PMID: 36739680 DOI: 10.1016/j.virol.2023.01.016] [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: 11/24/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 02/03/2023]
Abstract
Dengue infections pose a critical threat to public health worldwide. Since there are no clinically approved antiviral drugs to treat dengue infections caused by the four dengue virus (DENV) serotypes, there is an urgent need to develop effective antivirals. Peptides are promising antiviral candidates due to their specificity and non-toxic properties. The DENV envelope (E) protein was selected for the design of antiviral peptides due to its importance in receptor binding and viral fusion to the host cell membrane. Twelve novel peptides were designed to mimic regions containing critical amino acid residues of the DENV E protein required for interaction with the host. A total of four peptides were identified to exhibit potent inhibitory effects against at least three or all four DENV serotypes. Peptide 3 demonstrated all three modes of action: cell protection and inhibition of post-infection against all four DENV serotypes, whereas direct virus-inactivating effects were only observed against DENV-2, 3, and 4. Peptide 4 showed good direct virus-inactivating effects against DENV-2 (74.26%) as well as good inhibitions of DENV-1 (80.37%) and DENV-4 (72.22%) during the post-infection stage. Peptide 5 exhibited direct virus-inactivating effects against all four DENV serotypes, albeit at lower inhibition levels against DENV-1 and DENV-3. It also exhibited highly significant inhibition of DENV-4 (89.31%) during post-infection. Truncated peptide 5F which was derived from peptide 5 showed more significant inhibition of DENV-4 (91.58%) during post-infection and good direct virus-inactivating effects against DENV-2 (77.55%) at a lower concentration of 100 μM. Peptide 3 could be considered as the best antiviral candidate for pre- and post-infection treatments of DENV infections in regions with four circulating dengue serotypes. However, if the most predominant dengue serotype for a particular region could be identified, peptides with significantly high antiviral activities against that particular dengue serotype could serve as more suitable antiviral candidates. Thus, peptide 5F serves as a more suitable antiviral candidate for post-infection treatment against DENV-4.
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Affiliation(s)
- Michelle Felicia Lee
- Centre for Virus and Vaccine Research, School of Medical and Life Sciences, Sunway University, 5, Jalan Universiti, Bandar Sunway, Selangor, 47500, Malaysia
| | - Mohd Ishtiaq Anasir
- Virology Unit, Infectious Disease Research Centre, Institute for Medical Research, National Institutes of Health, Setia Alam, Shah Alam, Selangor, Malaysia
| | - Chit Laa Poh
- Centre for Virus and Vaccine Research, School of Medical and Life Sciences, Sunway University, 5, Jalan Universiti, Bandar Sunway, Selangor, 47500, Malaysia.
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10
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Lee MF, Poh CL. Strategies to improve the physicochemical properties of peptide-based drugs. Pharm Res 2023; 40:617-632. [PMID: 36869247 DOI: 10.1007/s11095-023-03486-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 02/17/2023] [Indexed: 03/05/2023]
Abstract
Peptides are a rapid-growing class of therapeutics with unique and desirable physicochemical properties. Due to disadvantages such as low membrane permeability and susceptibility to proteolytic degradation, peptide-based drugs have limited bioavailability, a short half-life, and rapid in vivo elimination. Various strategies can be applied to improve the physicochemical properties of peptide-based drugs to overcome limitations such as limited tissue residence time, metabolic instability, and low permeability. Applied strategies including backbone modifications, side chain modifications, conjugation with polymers, modification of peptide termini, fusion to albumin, conjugation with the Fc portion of antibodies, cyclization, stapled peptides, pseudopeptides, cell-penetrating peptide conjugates, conjugation with lipids, and encapsulation in nanocarriers are discussed.
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Affiliation(s)
- Michelle Felicia Lee
- Centre for Virus and Vaccine Research, School of Medical and Life Sciences, Sunway University, 5, Jalan Universiti, Selangor 47500, Bandar Sunway, Malaysia
| | - Chit Laa Poh
- Centre for Virus and Vaccine Research, School of Medical and Life Sciences, Sunway University, 5, Jalan Universiti, Selangor 47500, Bandar Sunway, Malaysia.
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11
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Vasco AV, Ceballos LG, Wessjohann LA, Rivera DG. Multicomponent Functionalization of the Octreotide Peptide Macrocyclic Scaffold. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Aldrin V. Vasco
- Leibniz Institute of Plant Biochemistry: Leibniz-Institut fur Pflanzenbiochemie Bioorganic Chemistry GERMANY
| | | | - Ludger A. Wessjohann
- Leibniz Institute of Plant Biochemistry: Leibniz-Institut fur Pflanzenbiochemie Bioorganic Chemistry GERMANY
| | - Daniel García Rivera
- Universidad de la Habana Laboratory of Synthetic and Biomolecular Chemistry Zapata y G 10400 La Habana CUBA
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12
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Dömling A. Innovations and Inventions: Why Was the Ugi Reaction Discovered Only 37 Years after the Passerini Reaction? J Org Chem 2022; 88:5242-5247. [PMID: 35881912 PMCID: PMC10167652 DOI: 10.1021/acs.joc.2c00792] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This year represents the 100th anniversary of the discovery of the Passerini three-component reaction. The related Ugi four-compound reaction was discovered 37 years after the Passerini reaction. Undoubtedly, both reactions are very important multicomponent reactions but the Ugi reactions outperform the Passerini reactions in terms of combinatorial space according to the equation xy [x is the number of building blocks per component, and y is the order of the multicomponent reaction (for Passerini, y = 3; for Ugi, y = 4)]. In this work, a historical but contemporary perspective of the discoveries and innovations of the two reactions is given. From a bird's eye view and in a more general sense, the discovery of novel reactions is discussed and how it relates to inventions and innovations.
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Affiliation(s)
- Alexander Dömling
- Department of Drug Design, University of Groningen, Groningen 9700 AD, The Netherlands
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13
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Erckes V, Steuer C. A story of peptides, lipophilicity and chromatography - back and forth in time. RSC Med Chem 2022; 13:676-687. [PMID: 35800203 PMCID: PMC9215158 DOI: 10.1039/d2md00027j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 03/18/2022] [Indexed: 11/25/2022] Open
Abstract
Peptides, as part of the beyond the rule of 5 (bRo5) chemical space, represent a unique class of pharmaceutical compounds. Because of their exceptional position in the chemical space between traditional small molecules (molecular weight (MW) < 500 Da) and large therapeutic proteins (MW > 5000 Da), peptides became promising candidates for targeting challenging binding sites, including even targets traditionally considered as undruggable - e.g. intracellular protein-protein interactions. However, basic knowledge about physicochemical properties that are important for a drug to be membrane permeable is missing but would enhance the drug discovery process of bRo5 molecules. Consequently, there is a demand for quick and simple lipophilicity determination methods for peptides. In comparison to the traditional lipophilicity determination methods via shake flask and in silico prediction, chromatography-based methods could have multiple benefits such as the requirement of low analyte amount, insensitivity to impurities and high throughput. Herein we elucidate the role of peptide lipophilicity and different lipophilicity values. Further, we summarize peptide analysis via common chromatographic techniques, in specific reversed phase liquid chromatography, hydrophilic interaction liquid chromatography and supercritical fluid chromatography and their role in drug discovery and development process.
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Affiliation(s)
- Vanessa Erckes
- Pharmaceutical Analytics, Institute of Pharmaceutical Sciences, Federal Institute of Technology Zurich 8093 Zurich Switzerland
| | - Christian Steuer
- Pharmaceutical Analytics, Institute of Pharmaceutical Sciences, Federal Institute of Technology Zurich 8093 Zurich Switzerland
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14
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Helical Foldamers and Stapled Peptides as New Modalities in Drug Discovery: Modulators of Protein-Protein Interactions. Processes (Basel) 2022. [DOI: 10.3390/pr10050924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
A “foldamer” is an artificial oligomeric molecule with a regular secondary or tertiary structure consisting of various building blocks. A “stapled peptide” is a peptide with stabilized secondary structures, in particular, helical structures by intramolecular covalent side-chain cross-linking. Helical foldamers and stapled peptides are potential drug candidates that can target protein-protein interactions because they enable multipoint molecular recognition, which is difficult to achieve with low-molecular-weight compounds. This mini-review describes a variety of peptide-based foldamers and stapled peptides with a view to their applications in drug discovery, including our recent progress.
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15
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Song L, Liu C, Tian G, Van Meervelt L, Van der Eycken J, Van der Eycken EV. Late-stage diversification of peptidomimetics and oligopeptides via gold-catalyzed post-Ugi cyclization. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Therapeutic peptides: current applications and future directions. Signal Transduct Target Ther 2022; 7:48. [PMID: 35165272 PMCID: PMC8844085 DOI: 10.1038/s41392-022-00904-4] [Citation(s) in RCA: 462] [Impact Index Per Article: 231.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 01/13/2022] [Accepted: 01/17/2022] [Indexed: 02/08/2023] Open
Abstract
Peptide drug development has made great progress in the last decade thanks to new production, modification, and analytic technologies. Peptides have been produced and modified using both chemical and biological methods, together with novel design and delivery strategies, which have helped to overcome the inherent drawbacks of peptides and have allowed the continued advancement of this field. A wide variety of natural and modified peptides have been obtained and studied, covering multiple therapeutic areas. This review summarizes the efforts and achievements in peptide drug discovery, production, and modification, and their current applications. We also discuss the value and challenges associated with future developments in therapeutic peptides.
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17
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Gruß H, Feiner RC, Mseya R, Schröder DC, Jewgiński M, Müller KM, Latajka R, Marion A, Sewald N. Peptide stapling by late-stage Suzuki–Miyaura cross-coupling. Beilstein J Org Chem 2022; 18:1-12. [PMID: 35047078 PMCID: PMC8744458 DOI: 10.3762/bjoc.18.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 12/09/2021] [Indexed: 12/19/2022] Open
Abstract
The development of peptide stapling techniques to stabilise α-helical secondary structure motifs of peptides led to the design of modulators of protein–protein interactions, which had been considered undruggable for a long time. We disclose a novel approach towards peptide stapling utilising macrocyclisation by late-stage Suzuki–Miyaura cross-coupling of bromotryptophan-containing peptides of the catenin-binding domain of axin. Optimisation of the linker length in order to find a compromise between both sufficient linker rigidity and flexibility resulted in a peptide with an increased α-helicity and enhanced binding affinity to its native binding partner β-catenin. An increased proteolytic stability against proteinase K has been demonstrated.
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Affiliation(s)
- Hendrik Gruß
- Department of Chemistry, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany
| | - Rebecca C Feiner
- Department of Technology, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany
| | - Ridhiwan Mseya
- Department of Chemistry, Middle East Technical University, 06800, Ankara, Turkey
| | - David C Schröder
- Department of Chemistry, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany
| | - Michał Jewgiński
- Department of Bioorganic Chemistry, Wrocław University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wrocław, Poland
| | - Kristian M Müller
- Department of Technology, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany
| | - Rafał Latajka
- Department of Bioorganic Chemistry, Wrocław University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wrocław, Poland
| | - Antoine Marion
- Department of Chemistry, Middle East Technical University, 06800, Ankara, Turkey
| | - Norbert Sewald
- Department of Chemistry, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany
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18
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Nagano Y, Arafiles JVV, Kuwata K, Kawaguchi Y, Imanishi M, Hirose H, Futaki S. Grafting Hydrophobic Amino Acids Critical for Inhibition of Protein-Protein Interactions on a Cell-Penetrating Peptide Scaffold. Mol Pharm 2021; 19:558-567. [PMID: 34958576 DOI: 10.1021/acs.molpharmaceut.1c00671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Stapled peptides are a promising class of conformationally restricted peptides for modulating protein-protein interactions (PPIs). However, the low membrane permeability of these peptides is an obstacle to their therapeutic applications. It is common that only a few hydrophobic amino acid residues are mandatory for stapled peptides to bind to their target proteins. Hoping to create a novel class of membrane-permeable PPI inhibitors, the phenylalanine, tryptophan, and leucine residues that play a critical role in inhibiting the p53-HDM2 interaction were grafted into the framework of CADY2─a cell-penetrating peptide (CPP) having a helical propensity. Two analogues (CADY-3FWL and CADY-10FWL) induced apoptotic cell death but lacked the intended HDM2 interaction. Pull-down experiments followed by proteomic analysis led to the elucidation of nesprin-2 as a candidate binding target. Nesprin-2 is considered to play a role in the nuclear translocation of β-catenin upon activation of the Wnt signaling pathway, which leads to the expression of antiapoptosis proteins and cell survival. Cells treated with the two analogues showed decreased nuclear localization of β-catenin and reduced mRNA expression of related antiapoptotic proteins. These data suggest inhibition of β-catenin nuclear translocation as a possible mode of action of the described cell-penetrating stapled peptides.
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Affiliation(s)
- Yuki Nagano
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | | | - Keiko Kuwata
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
| | - Yoshimasa Kawaguchi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Miki Imanishi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Hisaaki Hirose
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Shiroh Futaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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19
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Shen Y, Wang Y, Hamley IW, Qi W, Su R, He Z. Chiral self-assembly of peptides: Toward the design of supramolecular polymers with enhanced chemical and biological functions. Prog Polym Sci 2021. [DOI: 10.1016/j.progpolymsci.2021.101469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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20
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Sabale PM, Imiołek M, Raia P, Barluenga S, Winssinger N. Suprastapled Peptides: Hybridization-Enhanced Peptide Ligation and Enforced α-Helical Conformation for Affinity Selection of Combinatorial Libraries. J Am Chem Soc 2021; 143:18932-18940. [PMID: 34739233 DOI: 10.1021/jacs.1c07013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Stapled peptides with an enforced α-helical conformation have been shown to overcome major limitations in the development of short peptides targeting protein-protein interactions (PPIs). While the growing arsenal of methodologies to staple peptides facilitates their preparation, stapling methodologies are not broadly embraced in synthetic library screening. Herein, we report a strategy leveraged on hybridization of short PNA-peptide conjugates wherein nucleobase driven assembly facilitates ligation of peptide fragments and constrains the peptide's conformation into an α-helix. Using native chemical ligation, we show that a mixture of peptide fragments can be combinatorially ligated and used directly in affinity selection against a target of interest. This approach was exemplified with a focused library targeting the p-53/MDM2 interaction. One hundred peptides were obtained in a one-pot ligation reaction, selected by affinity against MDM2 immobilized on beads, and the best binders were identified by mass spectrometry.
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Affiliation(s)
- Pramod M Sabale
- Faculty of Science, NCCR Chemical Biology, University of Geneva, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Mateusz Imiołek
- Faculty of Science, NCCR Chemical Biology, University of Geneva, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Pierre Raia
- Faculty of Science, NCCR Chemical Biology, University of Geneva, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Sofia Barluenga
- Faculty of Science, NCCR Chemical Biology, University of Geneva, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Nicolas Winssinger
- Faculty of Science, NCCR Chemical Biology, University of Geneva, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
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21
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Chu X, Shen L, Li B, Yang P, Du C, Wang X, He G, Messaoudi S, Chen G. Construction of Peptide Macrocycles via Palladium-Catalyzed Multiple S-Arylation: An Effective Strategy to Expand the Structural Diversity of Cross-Linkers. Org Lett 2021; 23:8001-8006. [PMID: 34582221 DOI: 10.1021/acs.orglett.1c03003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A simple and versatile method for macrocyclizing unprotected native peptides with a wide range of easily accessible diiodo and triiodoarene reagents via the palladium-catalyzed multiple S-arylation of cysteine residues is developed. Iodoarenes with different arene and heteroarene cores can be incorporated into peptide macrocycles of varied ring sizes and amino acid compositions with high efficiency and selectivity under mild conditions.
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Affiliation(s)
- Xin Chu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Linhua Shen
- University Paris-Saclay, CNRS, BioCIS, 92296 Chat̂enay-Malabry, France
| | - Bo Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Peng Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Chengzhuo Du
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiaoye Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Samir Messaoudi
- University Paris-Saclay, CNRS, BioCIS, 92296 Chat̂enay-Malabry, France
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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22
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Wu Y, Chau H, Thor W, Chan KHY, Ma X, Chan W, Long NJ, Wong K. Solid-Phase Peptide Macrocyclization and Multifunctionalization via Dipyrrin Construction. Angew Chem Int Ed Engl 2021; 60:20301-20307. [PMID: 34272794 PMCID: PMC8457249 DOI: 10.1002/anie.202108885] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Indexed: 11/11/2022]
Abstract
We introduce a new and highly efficient synthetic protocol towards multifunctional fluorescent cyclopeptides by solid-phase peptide macrocyclization via dipyrrin construction, with full scope of proteinogenic amino acids and different ring sizes. Various bicyclic peptides can be created by dipyrrin-based crosslinking and double dipyrrin-ring formation. The embedded dipyrrin can be either transformed to fluorescent BODIPY and then utilized as cancer-selective targeted protein imaging probe in vitro, or directly employed as a selective metal sensor in aqueous media. This work provides a valuable addition to the peptide macrocyclization toolbox, and a blueprint for the development of multifunctional dipyrrin linkers in cyclopeptides for a wide range of potential bioapplications.
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Affiliation(s)
- Yue Wu
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
| | - Ho‐Fai Chau
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
| | - Waygen Thor
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
| | - Kaitlin Hao Yi Chan
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
- Department of Applied Biology and Chemical TechnologyHong Kong Polytechnic UniversityHung HomHong Kong SARChina
| | - Xia Ma
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
| | - Wai‐Lun Chan
- Department of Applied Biology and Chemical TechnologyHong Kong Polytechnic UniversityHung HomHong Kong SARChina
| | - Nicholas J. Long
- Department of ChemistryImperial College London, Molecular Sciences Research HubLondonUK
| | - Ka‐Leung Wong
- Department of ChemistryHong Kong Baptist UniversityKowloon TongKowloonHong Kong SARChina
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23
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Wu Y, Chau H, Thor W, Chan KHY, Ma X, Chan W, Long NJ, Wong K. Solid‐Phase Peptide Macrocyclization and Multifunctionalization via Dipyrrin Construction. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108885] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yue Wu
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Ho‐Fai Chau
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Waygen Thor
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Kaitlin Hao Yi Chan
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
- Department of Applied Biology and Chemical Technology Hong Kong Polytechnic University Hung Hom Hong Kong SAR China
| | - Xia Ma
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Wai‐Lun Chan
- Department of Applied Biology and Chemical Technology Hong Kong Polytechnic University Hung Hom Hong Kong SAR China
| | - Nicholas J. Long
- Department of Chemistry Imperial College London, Molecular Sciences Research Hub London UK
| | - Ka‐Leung Wong
- Department of Chemistry Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
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24
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Bechtler C, Lamers C. Macrocyclization strategies for cyclic peptides and peptidomimetics. RSC Med Chem 2021; 12:1325-1351. [PMID: 34447937 PMCID: PMC8372203 DOI: 10.1039/d1md00083g] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/01/2021] [Indexed: 12/12/2022] Open
Abstract
Peptides are a growing therapeutic class due to their unique spatial characteristics that can target traditionally "undruggable" protein-protein interactions and surfaces. Despite their advantages, peptides must overcome several key shortcomings to be considered as drug leads, including their high conformational flexibility and susceptibility to proteolytic cleavage. As a general approach for overcoming these challenges, macrocyclization of a linear peptide can usually improve these characteristics. Their synthetic accessibility makes peptide macrocycles very attractive, though traditional synthetic methods for macrocyclization can be challenging for peptides, especially for head-to-tail cyclization. This review provides an updated summary of the available macrocyclization chemistries, such as traditional lactam formation, azide-alkyne cycloadditions, ring-closing metathesis as well as unconventional cyclization reactions, and it is structured according to the obtained functional groups. Keeping peptide chemistry and screening in mind, the focus is given to reactions applicable in solution, on solid supports, and compatible with contemporary screening methods.
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Affiliation(s)
- Clément Bechtler
- Department Pharmaceutical Sciences, University of Basel Klingelbergstr. 50 4056 Basel Switzerland
| | - Christina Lamers
- Department Pharmaceutical Sciences, University of Basel Klingelbergstr. 50 4056 Basel Switzerland
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25
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Ricardo MG, Vázquéz-Mena Y, Iglesias-Morales Y, Wessjohann LA, Rivera DG. On the scope of the double Ugi multicomponent stapling to produce helical peptides. Bioorg Chem 2021; 113:104987. [PMID: 34022444 DOI: 10.1016/j.bioorg.2021.104987] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 04/19/2021] [Accepted: 05/08/2021] [Indexed: 11/15/2022]
Abstract
The stabilization of helical structures by peptide stapling approaches is now a mature technology capable to provide a variety of biomedical applications. Recently, it was shown that multicomponent macrocyclization is not only an effective way to introduce conformational constraints but it also allows to incorporate additional functionalities to the staple moiety in a one-pot process. This work investigates the scope of the double Ugi multicomponent stapling approach in its capacity to produce helical peptides from unstructured sequences. For this, three different stapling combinations were implemented and the CD spectra of the cyclic peptides were measured to determine the effect of the multicomponent macrocyclization on the resulting secondary structure. A new insight into some structural factors influencing the helicity type and content is provided, along with new prospects on the utilization of this methodology to diversify the molecular tethers linking the amino acid side chains.
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Affiliation(s)
- Manuel G Ricardo
- Laboratory of Synthetic and Biomolecular Chemistry, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba; Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle (Saale), Germany
| | - Yadiel Vázquéz-Mena
- Laboratory of Synthetic and Biomolecular Chemistry, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba
| | - Yuleidys Iglesias-Morales
- Laboratory of Synthetic and Biomolecular Chemistry, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba
| | - Ludger A Wessjohann
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle (Saale), Germany.
| | - Daniel G Rivera
- Laboratory of Synthetic and Biomolecular Chemistry, Faculty of Chemistry, University of Havana, Zapata y G, Havana 10400, Cuba; Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle (Saale), Germany.
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26
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Lindsey‐Crosthwait A, Rodriguez‐Lema D, Walko M, Pask CM, Wilson AJ. Structural optimization of reversible dibromomaleimide peptide stapling. Pept Sci (Hoboken) 2021; 113:e24157. [PMID: 34938942 PMCID: PMC8650577 DOI: 10.1002/pep2.24157] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/29/2020] [Accepted: 03/02/2020] [Indexed: 01/05/2023]
Abstract
Methods to constrain peptides in a bioactive α-helical conformation for inhibition of protein-protein interactions represent an ongoing area of investigation in chemical biology. Recently, the first example of a reversible "stapling" methodology was described which exploits native cysteine or homocysteine residues spaced at the i and i + 4 positions in a peptide sequence together with the thiol selective reactivity of dibromomaleimides (a previous study). This manuscript reports on the optimization of the maleimide based constraint, focusing on the kinetics of macrocyclization and the extent to which helicity is promoted with different thiol containing amino acids. The study identified an optimal stapling combination of X 1 = L-Cys and X 5 = L-hCys in the context of the model peptide Ac-X1AAAX5-NH2, which should prove useful in implementing the dibromomaleimide stapling strategy in peptidomimetic ligand discovery programmes.
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Affiliation(s)
- Ayanna Lindsey‐Crosthwait
- School of Chemistry, University of LeedsLeedsUK
- Astbury Centre for Structural Molecular Biology, University of LeedsLeedsUK
| | - Diana Rodriguez‐Lema
- School of Chemistry, University of LeedsLeedsUK
- Astbury Centre for Structural Molecular Biology, University of LeedsLeedsUK
| | - Martin Walko
- School of Chemistry, University of LeedsLeedsUK
- Astbury Centre for Structural Molecular Biology, University of LeedsLeedsUK
| | | | - Andrew J. Wilson
- School of Chemistry, University of LeedsLeedsUK
- Astbury Centre for Structural Molecular Biology, University of LeedsLeedsUK
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27
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Han AR, Durgannavar T, Ahn D, Chung SJ. A FRET-Based Fluorescent Probe to Screen Anticancer Drugs, Inhibiting p73 Binding to MDM2. Chembiochem 2020; 22:830-833. [PMID: 33103305 DOI: 10.1002/cbic.202000660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/22/2020] [Indexed: 11/11/2022]
Abstract
The protein p73 acts as a transcription factor, resulting in tumour suppression. MDM2, an oncogenic protein, can negatively influence p73-mediated apoptosis by binding to p73 transactivation domains (TAD). Inhibition of the protein-protein interaction between p73 and oncogenic proteins is an attractive strategy for promoting p73-mediated apoptosis. Herein, we describe the use of a modified p73-TAD peptide for the FRET-based assay of the binding of p73-TAD to MDM2. The FRET probe, equipped with 1-naphthylamine (λex =330 nm, λem =445 nm), serves as a FRET acceptor, and the tryptophan of the protein acts as FRET donor (λex =280 nm, λem =340 nm). Sensitized emission from the FRET probe was observed upon excitation of the protein-FRET-probe complex at the excitation wavelength of Trp. Furthermore, addition of the MDM2 inhibitor Nutiln-3 drastically reduced the FRET signal, thus indicating that the FRET probe competes with Nutiln-3 for MDM2 binding. The developed FRET binding assay might be applicable in high-throughput screening of novel drugs that inhibit interactions between p73 and MDM2.
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Affiliation(s)
- A Ro Han
- School of Pharmacy, Sungkyunkwan University, Suwon, 16419 (Republic of, Korea
| | | | - Dohee Ahn
- School of Pharmacy, Sungkyunkwan University, Suwon, 16419 (Republic of, Korea
| | - Sang J Chung
- School of Pharmacy, Sungkyunkwan University, Suwon, 16419 (Republic of, Korea
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28
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Li X, Chen S, Zhang WD, Hu HG. Stapled Helical Peptides Bearing Different Anchoring Residues. Chem Rev 2020; 120:10079-10144. [DOI: 10.1021/acs.chemrev.0c00532] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Xiang Li
- School of Pharmacy, Second Military Medical University, Shanghai, China
- Insititute of Translational Medicine, Shanghai University, Shanghai, China
| | - Si Chen
- School of Medicine, Shanghai University, Shanghai, China
| | - Wei-Dong Zhang
- School of Pharmacy, Second Military Medical University, Shanghai, China
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hong-Gang Hu
- Insititute of Translational Medicine, Shanghai University, Shanghai, China
- Ministry of Education Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, China
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29
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Zheng X, Liu W, Liu Z, Zhao Y, Wu C. Biocompatible and Rapid Cyclization of Peptides with 2,4-Difluoro-6-hydroxy-1,3,5-benzenetricarbonitrile for the Development of Cyclic Peptide Libraries. Bioconjug Chem 2020; 31:2085-2091. [DOI: 10.1021/acs.bioconjchem.0c00363] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xuejun Zheng
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen, 361005, P.R. China
| | - Weidong Liu
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen, 361005, P.R. China
| | - Ziyan Liu
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen, 361005, P.R. China
| | - Yibing Zhao
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen, 361005, P.R. China
| | - Chuanliu Wu
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen, 361005, P.R. China
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30
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Vasco AV, Moya CG, Gröger S, Brandt W, Balbach J, Pérez CS, Wessjohann LA, Rivera DG. Insights into the secondary structures of lactam N-substituted stapled peptides. Org Biomol Chem 2020; 18:3838-3842. [DOI: 10.1039/d0ob00767f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
NMR and CD studies together with molecular dynamics simulation reveal new insights into the s-cis/s-trans isomerism and the effect of the lactam bridge N-substituent on the secondary structure of stapled peptides.
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Affiliation(s)
- Aldrin V. Vasco
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
| | - Celia G. Moya
- Center for Natural Products Research
- Faculty of Chemistry
- University of Havana
- Havana
- Cuba
| | - Stefan Gröger
- Institute of Physics/Biophysics and Center for Structural and Dynamics of Proteins
- Martin Luther University Halle-Wittenberg
- Germany
| | - Wolfgang Brandt
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
| | - Jochen Balbach
- Institute of Physics/Biophysics and Center for Structural and Dynamics of Proteins
- Martin Luther University Halle-Wittenberg
- Germany
| | - Carlos S. Pérez
- Center for Natural Products Research
- Faculty of Chemistry
- University of Havana
- Havana
- Cuba
| | - Ludger A. Wessjohann
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
| | - Daniel G. Rivera
- Department of Bioorganic Chemistry
- Leibniz Institute of Plant Biochemistry
- Halle/Saale
- Germany
- Center for Natural Products Research
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