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Ahangarpour M, Kavianinia I, Harris PWR, Brimble MA. Photo-induced radical thiol-ene chemistry: a versatile toolbox for peptide-based drug design. Chem Soc Rev 2021; 50:898-944. [PMID: 33404559 DOI: 10.1039/d0cs00354a] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
While the global market for peptide/protein-based therapeutics is witnessing significant growth, the development of peptide drugs remains challenging due to their low oral bioavailability, poor membrane permeability, and reduced metabolic stability. However, a toolbox of chemical approaches has been explored for peptide modification to overcome these obstacles. In recent years, there has been a revival of interest in photoinduced radical thiol-ene chemistry as a powerful tool for the construction of therapeutic peptides.
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Affiliation(s)
- Marzieh Ahangarpour
- School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand.
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2
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Nolan MD, Scanlan EM. Applications of Thiol-Ene Chemistry for Peptide Science. Front Chem 2020; 8:583272. [PMID: 33282831 PMCID: PMC7689097 DOI: 10.3389/fchem.2020.583272] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 10/13/2020] [Indexed: 12/21/2022] Open
Abstract
Radical thiol-ene chemistry has been demonstrated for a range of applications in peptide science, including macrocyclization, glycosylation and lipidation amongst a myriad of others. The thiol-ene reaction offers a number of advantages in this area, primarily those characteristic of "click" reactions. This provides a chemical approach to peptide modification that is compatible with aqueous conditions with high orthogonality and functional group tolerance. Additionally, the use of a chemical approach for peptide modification affords homogeneous peptides, compared to heterogeneous mixtures often obtained through biological methods. In addition to peptide modification, thiol-ene chemistry has been applied in novel approaches to biological studies through synthesis of mimetics and use in development of probes. This review will cover the range of applications of the radical-mediated thiol-ene reaction in peptide and protein science.
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Affiliation(s)
- Mark D Nolan
- School of Chemistry, Trinity College Dublin, Trinity Biomedical Sciences Institute, Dublin, Ireland
| | - Eoin M Scanlan
- School of Chemistry, Trinity College Dublin, Trinity Biomedical Sciences Institute, Dublin, Ireland
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Wu B, Zheng W. Bis-Lactam Peptide [i, i+4]-Stapling with α-Methylated Thialysines. Molecules 2020; 25:molecules25194506. [PMID: 33019638 PMCID: PMC7582373 DOI: 10.3390/molecules25194506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/19/2020] [Accepted: 09/26/2020] [Indexed: 11/16/2022] Open
Abstract
Four bis-lactam [i, i+4]-stapled peptides with d- or l-α-methyl-thialysines were constructed on a model peptide sequence derived from p110α[E545K] and subjected to circular dichroism (CD) and proteolytic stability assessment, alongside the corresponding bis-lactam [i, i+4]-stapled peptide with l-thialysine. The % α-helicity values of these four stapled peptides were found to be largely comparable to each other yet greater than that of the stapled peptide with l-thialysine. An l-α-methyl-thialysine-stapled peptide built on a model peptide sequence derived from ribonuclease A (RNase A) was also found to exhibit a greater % α-helicity than its l-thialysine-stapled counterpart. Moreover, a greater proteolytic stability was demonstrated for the l-α-methyl-thialysine-stapled p110α[E545K] and RNase A peptides than that of their respective l-thialysine-stapled counterparts.
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Affiliation(s)
| | - Weiping Zheng
- Correspondence: ; Tel.: +86-15189129171; Fax: +86-511-88795939
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Paterson DL, Flanagan JU, Shepherd PR, Harris PWR, Brimble MA. Variable-Length Ester-Based Staples for α-Helical Peptides by Using A Double Thiol-ene Reaction. Chemistry 2020; 26:10826-10833. [PMID: 32232881 DOI: 10.1002/chem.202001478] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Indexed: 12/12/2022]
Abstract
A novel peptide stapling method effected by a double thiol-ene reaction between two cysteine residues and a divinyl diester to access stapled peptides with enhanced cell permeability is reported. This diverse chemical tool kit provides facile access to stapled peptides with varying bridge lengths. Stapled Axin mimetics were synthesised by using this stapling method resulting in improved α-helicity relative to the unstapled peptide. Cell penetrating stapled analogues of the SIGK peptide that targets the protein-protein interaction hotspot of Gβγ proteins were also synthesised that exhibited a moderate increase in α-helicity and were cell permeable. This chemoselective peptide stapling method is highly amenable as a facile method to easily modify synthetic α-helical peptides to target intracellular proteins.
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Affiliation(s)
- Danielle L Paterson
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland, 1142, New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, School of Biological Sciences, The University of Auckland, Auckland, 1142, New Zealand
| | - Jack U Flanagan
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland, 1142, New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, School of Biological Sciences, The University of Auckland, Auckland, 1142, New Zealand.,Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, 1042, New Zealand.,Department of Pharmacology and Clinical Pharmacology, School of Medical Sciences, The University of Auckland, Auckland, 1042, New Zealand
| | - Peter R Shepherd
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland, 1142, New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, School of Biological Sciences, The University of Auckland, Auckland, 1142, New Zealand.,Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, 1042, New Zealand.,School of Medical Sciences, The University of Auckland, 85 Park Road, Auckland, 1042, New Zealand
| | - Paul W R Harris
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland, 1142, New Zealand.,School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland, 1142, New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, School of Biological Sciences, The University of Auckland, Auckland, 1142, New Zealand
| | - Margaret A Brimble
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland, 1142, New Zealand.,School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland, 1142, New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, School of Biological Sciences, The University of Auckland, Auckland, 1142, New Zealand
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Guarracino DA, Riordan JA, Barreto GM, Oldfield AL, Kouba CM, Agrinsoni D. Macrocyclic Control in Helix Mimetics. Chem Rev 2019; 119:9915-9949. [DOI: 10.1021/acs.chemrev.8b00623] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Danielle A. Guarracino
- Department of Chemistry, The College of New Jersey, Ewing, New Jersey 08628, United States
| | - Jacob A. Riordan
- Department of Chemistry, The College of New Jersey, Ewing, New Jersey 08628, United States
| | - Gianna M. Barreto
- Department of Chemistry, The College of New Jersey, Ewing, New Jersey 08628, United States
| | - Alexis L. Oldfield
- Department of Chemistry, The College of New Jersey, Ewing, New Jersey 08628, United States
| | - Christopher M. Kouba
- Department of Chemistry, The College of New Jersey, Ewing, New Jersey 08628, United States
| | - Desiree Agrinsoni
- Department of Chemistry, The College of New Jersey, Ewing, New Jersey 08628, United States
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6
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Affiliation(s)
- Xiao Hu
- School of Pharmacy, Jiangsu University, 301 Xuefu Road Zhenjiang Jiangsu 212013 China
| | - Bo Wu
- School of Pharmacy, Jiangsu University, 301 Xuefu Road Zhenjiang Jiangsu 212013 China
| | - Weiping Zheng
- School of Pharmacy, Jiangsu University, 301 Xuefu Road Zhenjiang Jiangsu 212013 China
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