1
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Li Z, Yu JQ. Ligand-Enabled γ-C(sp 3)-H Hydroxylation of Free Amines with Aqueous Hydrogen Peroxide. J Am Chem Soc 2023; 145:25948-25953. [PMID: 37983554 PMCID: PMC11164079 DOI: 10.1021/jacs.3c09340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Selective oxidation of the γ-C-H bonds from abundant amine feedstocks via palladium catalysis is a valuable transformation in synthesis and medicinal chemistry. Despite advances on this topic in the past decade, there remain two significant limitations: C-H activation of aliphatic amines requires an exogenous directing group except for sterically hindered α-tertiary amines, and a practical catalytic system for C(sp3)-H hydroxylation using a green oxidant, such as oxygen or aqueous hydrogen peroxide, has not been developed to date. Herein, we report a ligand-enabled selective γ-C(sp3)-H hydroxylation using sustainable aqueous hydrogen peroxide (7.5-10%, w/w). Enabled by a CarboxPyridone ligand, a series of primary amines (1°), piperidines, and morpholines (2°) were hydroxylated at the γ-position with excellent monoselectivity. This method provides an avenue for the synthesis of a wide range of amines, including γ-amino alcohols, β-amino acids, and azetidines. The retention of chirality in the reaction allows rapid access to chiral amines starting from the abundant chiral amine pool.
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Affiliation(s)
- Zhen Li
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
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2
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Van Guyse JFR, Leiske MN, Verjans J, Bernhard Y, Hoogenboom R. Accelerated Post‐Polymerization Amidation of Polymers with Side‐Chain Ester Groups by Intramolecular Activation. Angew Chem Int Ed Engl 2022; 61:e202201781. [DOI: 10.1002/anie.202201781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Joachim F. R. Van Guyse
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
- Present address: Innovation Center of NanoMedicine Kawasaki Institute of Industrial Promotion 3-25-14, Tonomachi, Kawasaki-ku Kawasaki 210-0821 Japan
| | - Meike N. Leiske
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
| | - Jente Verjans
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
| | - Yann Bernhard
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
- Present address: Université de Lorraine, UMR CNRS 7053 L2CM Faculté des Sciences et Technologies, BP 70239 54506 Vandoeuvre-lès-Nancy Cedex France
| | - Richard Hoogenboom
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
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3
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Van Guyse JFR, Leiske MN, Verjans J, Bernhard Y, Hoogenboom R. Accelerated Post‐Polymerization Amidation of Polymers with Side‐Chain Ester Groups by Intramolecular Activation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Joachim F. R. Van Guyse
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
- Present address: Innovation Center of NanoMedicine Kawasaki Institute of Industrial Promotion 3-25-14, Tonomachi, Kawasaki-ku Kawasaki 210-0821 Japan
| | - Meike N. Leiske
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
| | - Jente Verjans
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
| | - Yann Bernhard
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
- Present address: Université de Lorraine, UMR CNRS 7053 L2CM Faculté des Sciences et Technologies, BP 70239 54506 Vandoeuvre-lès-Nancy Cedex France
| | - Richard Hoogenboom
- Supramolecular Chemistry Group Centre of Macromolecular Chemistry (CMaC) Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
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4
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Bando Y, Hou Y, Seyfarth L, Probst J, Götze S, Bogacz M, Hellmich UA, Stallforth P, Mittag M, Arndt HD. Total Synthesis and Structure Correction of the Cyclic Lipodepsipeptide Orfamide A. Chemistry 2022; 28:e202104417. [PMID: 35199896 PMCID: PMC9311703 DOI: 10.1002/chem.202104417] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Indexed: 11/15/2022]
Abstract
A total synthesis of the cyclic lipodepsipeptide natural product orfamide A was achieved. By developing a synthesis format using an aminoacid ester building block and SPPS protocol adaptation, a focused library of target compounds was obtained, in high yield and purity. Spectral and LC‐HRMS data of all library members with the isolated natural product identified the 5Leu residue to be d‐ and the 3’‐OH group to be R‐configured. The structural correction of orfamide A by chemical synthesis and analysis was confirmed by biological activity comparison in Chlamydomonas reinhardtii, which indicated compound configuration to be important for bioactivity. Acute toxicity was also found against Trypanosoma brucei, the parasite causing African sleeping sickness.
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Affiliation(s)
- Yuko Bando
- Friedrich Schiller University Jena, Institute for Organic Chemistry and Macromolecular Chemistry, Humboldtstr. 10, 07743, Jena, Germany
| | - Yu Hou
- Friedrich Schiller University Jena Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany, Am Planetarium 1, 07743, Jena, Germany
| | - Lydia Seyfarth
- Friedrich Schiller University Jena, Institute for Organic Chemistry and Macromolecular Chemistry, Humboldtstr. 10, 07743, Jena, Germany
| | - Jannik Probst
- Friedrich Schiller University Jena, Institute for Organic Chemistry and Macromolecular Chemistry, Humboldtstr. 10, 07743, Jena, Germany
| | - Sebastian Götze
- Leibniz Institute for Natural Product Research and Infection Biology Hans Knöll Institute, Department of Paleobiotechnology, Beutenbergstraße 11a, 07745, Jena, Germany
| | - Marta Bogacz
- Friedrich Schiller University Jena, Institute for Organic Chemistry and Macromolecular Chemistry, Humboldtstr. 10, 07743, Jena, Germany
| | - Ute A Hellmich
- Friedrich Schiller University Jena, Institute for Organic Chemistry and Macromolecular Chemistry, Humboldtstr. 10, 07743, Jena, Germany
| | - Pierre Stallforth
- Friedrich Schiller University Jena, Institute for Organic Chemistry and Macromolecular Chemistry, Humboldtstr. 10, 07743, Jena, Germany.,Leibniz Institute for Natural Product Research and Infection Biology Hans Knöll Institute, Department of Paleobiotechnology, Beutenbergstraße 11a, 07745, Jena, Germany
| | - Maria Mittag
- Friedrich Schiller University Jena Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany, Am Planetarium 1, 07743, Jena, Germany
| | - Hans-Dieter Arndt
- Friedrich Schiller University Jena, Institute for Organic Chemistry and Macromolecular Chemistry, Humboldtstr. 10, 07743, Jena, Germany
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5
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Ichise SF, Koide T. Synthetic Collagen-like Polymer That Undergoes a Sol–Gel Transition Triggered by O–N Acyl Migration at Physiological pH. Int J Mol Sci 2022; 23:ijms23031584. [PMID: 35163505 PMCID: PMC8835898 DOI: 10.3390/ijms23031584] [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: 12/16/2021] [Revised: 01/21/2022] [Accepted: 01/27/2022] [Indexed: 11/23/2022] Open
Abstract
We previously reported an artificial collagen gel that can be used as a cell-culture substrate by end-to-end cross-linking of collagen-like triple-helical peptides via disulfide bonds. However, the gel had to be formed a priori by polymerizing the peptide in an acidic solution containing dimethyl sulfoxide for several days, which prevented its use as an injectable gel or three-dimensional (3D) scaffold for cell culture. In this study, we developed a collagen-like peptide polymer by incorporating an O–N acyl migration-triggered triple helix formation mechanism into a collagen-like peptide, which formed a gel within 10 min. We demonstrated that the collagen-like peptide polymer can be used as a 3D cell scaffold and that the 3D structure formation of cells can be controlled by collagen-derived bioactive sequences introduced into the peptide sequence.
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Affiliation(s)
- Shinichiro F. Ichise
- Waseda Research Institute for Science and Engineering, Waseda University, Tokyo 169-8555, Japan;
| | - Takaki Koide
- Waseda Research Institute for Science and Engineering, Waseda University, Tokyo 169-8555, Japan;
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Tokyo 169-8555, Japan
- Correspondence:
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6
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Fitzgerald LS, O'Duill ML. A Guide to Directing Group Removal: 8-Aminoquinoline. Chemistry 2021; 27:8411-8436. [PMID: 33559933 DOI: 10.1002/chem.202100093] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 02/08/2021] [Indexed: 12/23/2022]
Abstract
The use of directing groups allows high levels of selectivity to be achieved in transition metal-catalyzed transformations. Efficient removal of these auxiliaries after successful functionalization, however, can be very challenging. This review provides a critical overview of strategies used for removal of Daugulis' 8-aminoquinoline (2005-2020), one of the most widely used N,N-bidentate directing groups. The limitations of these strategies are discussed and alternative approaches are suggested for challenging substrates. Our aim is to provide a comprehensive end-users' guide for chemists in academia and industry who want to harness the synthetic power of directing groups-and be able to remove them from their final products.
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Affiliation(s)
- Liam S Fitzgerald
- School of Chemistry, National University of Ireland Galway, University Road, Galway, H91 TK33, Ireland
| | - Miriam L O'Duill
- School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
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7
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Abstract
Amyloid beta peptide (Aβ)-related studies require an adequate supply of purified Aβ peptide. However, Aβ peptides are “difficult sequences” to synthesize chemically, and low yields are common due to aggregation during purification. Here, we demonstrate an easier synthesis, deprotection, reduction, cleavage, and purification process for Aβ(1-40) using standard 9-fluorenylmethyloxycarbonyl (Fmoc)-protected amino acids and solid-phase peptide synthesis (SPPS) resin [HMBA (4-hydroxymethyl benzamide) resin] that provides higher yields of Aβ(1-40) than previous standard protocols. Furthermore, purification requires a similar amount of time as conventional purification processes, although the peptide must be cleaved from the resin immediately prior to purification. The method described herein is not limited to the production of Aβ(1-40), and can be used to synthesize other easily-oxidized and aggregating sequences. Our proposed methodology will contribute to various fields using “difficult sequence” peptides, such as pharmaceutical and materials science, as well as research for the diagnosis and treatment of protein/peptide misfolding diseases.
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8
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Skwarczynski M, Zhao G, Boer JC, Ozberk V, Azuar A, Cruz JG, Giddam AK, Khalil ZG, Pandey M, Shibu MA, Hussein WM, Nevagi RJ, Batzloff MR, Wells JW, Capon RJ, Plebanski M, Good MF, Toth I. Poly(amino acids) as a potent self-adjuvanting delivery system for peptide-based nanovaccines. SCIENCE ADVANCES 2020; 6:eaax2285. [PMID: 32064333 PMCID: PMC6989150 DOI: 10.1126/sciadv.aax2285] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 11/21/2019] [Indexed: 05/05/2023]
Abstract
To be optimally effective, peptide-based vaccines need to be administered with adjuvants. Many currently available adjuvants are toxic, not biodegradable; they invariably invoke adverse reactions, including allergic responses and excessive inflammation. A nontoxic, biodegradable, biocompatible, self-adjuvanting vaccine delivery system is urgently needed. Herein, we report a potent vaccine delivery system fulfilling the above requirements. A peptide antigen was coupled with poly-hydrophobic amino acid sequences serving as self-adjuvanting moieties using solid-phase synthesis, to produce fully defined single molecular entities. Under aqueous conditions, these molecules self-assembled into distinct nanoparticles and chain-like aggregates. Following subcutaneous immunization in mice, these particles successfully induced opsonic epitope-specific antibodies without the need of external adjuvant. Mice immunized with entities bearing 15 leucine residues were able to clear bacterial load from target organs without triggering the release of soluble inflammatory mediators. Thus, we have developed a well-defined and effective self-adjuvanting delivery system for peptide antigens.
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Affiliation(s)
- Mariusz Skwarczynski
- The University of Queensland, School of Chemistry & Molecular Biosciences, Lucia, QLD 4072, Australia
| | - Guangzu Zhao
- The University of Queensland, School of Chemistry & Molecular Biosciences, Lucia, QLD 4072, Australia
| | - Jennifer C. Boer
- School of Health and Biomedical Sciences, RMIT University, Victoria 3083, Australia
| | - Victoria Ozberk
- Griffith University, Institute for Glycomics, Gold Coast, QLD 4222, Australia
| | - Armira Azuar
- The University of Queensland, School of Chemistry & Molecular Biosciences, Lucia, QLD 4072, Australia
| | - Jazmina Gonzalez Cruz
- The University of Queensland, Diamantina Institute, Translational Research Institute, Brisbane, QLD 4102, Australia
| | | | - Zeinab G. Khalil
- The University of Queensland, Diamantina Institute, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Manisha Pandey
- Griffith University, Institute for Glycomics, Gold Coast, QLD 4222, Australia
| | - Mohini A. Shibu
- The University of Queensland, School of Chemistry & Molecular Biosciences, Lucia, QLD 4072, Australia
| | - Waleed M. Hussein
- The University of Queensland, School of Chemistry & Molecular Biosciences, Lucia, QLD 4072, Australia
| | - Reshma J. Nevagi
- The University of Queensland, School of Chemistry & Molecular Biosciences, Lucia, QLD 4072, Australia
| | - Michael R. Batzloff
- Griffith University, Institute for Glycomics, Gold Coast, QLD 4222, Australia
| | - James W. Wells
- The University of Queensland, Diamantina Institute, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Robert J. Capon
- The University of Queensland, Institute for Molecular Bioscience, St Lucia, QLD 4072, Australia
| | - Magdalena Plebanski
- School of Health and Biomedical Sciences, RMIT University, Victoria 3083, Australia
| | - Michael F. Good
- Griffith University, Institute for Glycomics, Gold Coast, QLD 4222, Australia
| | - Istvan Toth
- The University of Queensland, School of Chemistry & Molecular Biosciences, Lucia, QLD 4072, Australia
- The University of Queensland, Institute for Molecular Bioscience, St Lucia, QLD 4072, Australia
- The University of Queensland, School of Pharmacy, Woolloongabba, QLD 4102, Australia
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9
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Hussein WM, Skwarczynski M, Toth I. An Isodipeptide Building Block for Microwave-Assisted Solid-Phase Synthesis of Difficult Sequence-Containing Peptides. Methods Mol Biol 2020; 2103:139-150. [PMID: 31879923 DOI: 10.1007/978-1-0716-0227-0_9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Microwave technology, in conjunction with the isopeptide strategy including Fmoc-based solid-phase peptide synthesis (SPPS), was used to establish a methodology for time-efficient synthesis of peptides containing difficult sequences. A model difficult sequence-containing peptide (8QSer) was synthesized through this method in 1 day, representing a tenfold reduction in synthesis time compared to the isopeptide method combined with classical SPPS.
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Affiliation(s)
- Waleed M Hussein
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD, Australia
| | - Mariusz Skwarczynski
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD, Australia
| | - Istvan Toth
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD, Australia.
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia.
- School of Pharmacy, The University of Queensland, Woolloongabba, QLD, Australia.
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10
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Mailig M, Liu F. The Application of Isoacyl Structural Motifs in Prodrug Design and Peptide Chemistry. Chembiochem 2019; 20:2017-2031. [DOI: 10.1002/cbic.201900260] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Melrose Mailig
- Discovery ChemistryNovo Nordisk Research Center Seattle 530 Fairview Ave N Seattle WA 98109 USA
| | - Fa Liu
- Discovery ChemistryNovo Nordisk Research Center Seattle 530 Fairview Ave N Seattle WA 98109 USA
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11
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12
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Takayama R, Hayakawa S, Hinou H, Albericio F, Garcia-Martin F. Further applications of classical amide coupling reagents: Microwave-assisted esterification on solid phase. J Pept Sci 2018; 24:e3111. [DOI: 10.1002/psc.3111] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 06/04/2018] [Accepted: 06/13/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Risa Takayama
- Graduate School of Life Science; Hokkaido University; N21, W11, Kita-ku Sapporo 001-0021 Japan
| | - Shun Hayakawa
- Graduate School of Life Science; Hokkaido University; N21, W11, Kita-ku Sapporo 001-0021 Japan
| | - Hiroshi Hinou
- Graduate School of Life Science; Hokkaido University; N21, W11, Kita-ku Sapporo 001-0021 Japan
- Faculty of Advanced Life Science; Hokkaido University; N21, W11, Kita-ku Sapporo 001-0021 Japan
- Medicinal Chemistry Pharmaceuticals, Company Ltd.; N21, W12, Kita-ku Sapporo 001-0021 Japan
| | - Fernando Albericio
- Department of Organic Chemistry and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine; University of Barcelona; Barcelona 080028 Spain
- School of Chemistry and Physics; University of KwaZulu-Natal; Durban 4001 South Africa
| | - Fayna Garcia-Martin
- Graduate School of Life Science; Hokkaido University; N21, W11, Kita-ku Sapporo 001-0021 Japan
- Faculty of Advanced Life Science; Hokkaido University; N21, W11, Kita-ku Sapporo 001-0021 Japan
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13
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Sohma Y. Toward New Direction of Peptide Research in Natural Products Chemistry. J SYN ORG CHEM JPN 2018. [DOI: 10.5059/yukigoseikyokaishi.76.466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Youhei Sohma
- Graduate School of Pharmaceutical Sciences, The University of Tokyo
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14
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Baumruck AC, Tietze D, Steinacker LK, Tietze AA. Chemical synthesis of membrane proteins: a model study on the influenza virus B proton channel. Chem Sci 2018; 9:2365-2375. [PMID: 29719709 PMCID: PMC5897842 DOI: 10.1039/c8sc00004b] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Accepted: 01/21/2018] [Indexed: 12/16/2022] Open
Abstract
NCL results in the quantitative yield of a membrane protein, where a thioester peptide is formed from an oxo-ester with an in situ cleavable solubilizing tag.
In the present study we have developed and optimized a robust strategy for the synthesis of highly hydrophobic peptides, especially membrane proteins, exemplarily using the influenza B M2 proton channel (BM2(1–51)). This strategy is based on the native chemical ligation of two fragments, where the thioester fragment is formed from an oxo-ester peptide, which is synthesized using Fmoc-SPPS, and features an in situ cleavable solubilizing tag (ADO, ADO2 or ADO-Lys5). The nearly quantitative production of the ligation product was followed by an optimized work up protocol, resulting in almost quantitative desulfurization and Acm-group cleavage. Circular dichroism analysis in a POPC lipid membrane revealed that the synthetic BM2(1–51) construct adopts a helical structure similar to that of the previously characterized BM2(1–33).
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Affiliation(s)
- A C Baumruck
- Darmstadt University of Technology , Clemens-Schöpf Institute of Organic Chemistry and Biochemistry , Alarich-Weiss Str. 4 , 64287 Darmstadt , Germany .
| | - D Tietze
- Darmstadt University of Technology , Eduard-Zintl-Institute of Inorganic and Physical Chemistry , Alarich-Weiss-Str. 4 , 64287 Darmstadt , Germany
| | - L K Steinacker
- Darmstadt University of Technology , Clemens-Schöpf Institute of Organic Chemistry and Biochemistry , Alarich-Weiss Str. 4 , 64287 Darmstadt , Germany .
| | - A A Tietze
- Darmstadt University of Technology , Clemens-Schöpf Institute of Organic Chemistry and Biochemistry , Alarich-Weiss Str. 4 , 64287 Darmstadt , Germany .
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15
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Tailhades J, Takizawa H, Gait MJ, Wellings DA, Wade JD, Aoki Y, Shabanpoor F. Solid-Phase Synthesis of Difficult Purine-Rich PNAs through Selective Hmb Incorporation: Application to the Total Synthesis of Cell Penetrating Peptide-PNAs. Front Chem 2017; 5:81. [PMID: 29094037 PMCID: PMC5651559 DOI: 10.3389/fchem.2017.00081] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 09/29/2017] [Indexed: 12/27/2022] Open
Abstract
Antisense oligonucleotide (ASO)-based drug development is gaining significant momentum following the recent FDA approval of Eteplirsen (an ASO based on phosphorodiamidate morpholino) and Spinraza (2′-O-methoxyethyl-phosphorothioate) in late 2016. Their attractiveness is mainly due to the backbone modifications which have improved the in vivo characteristics of oligonucleotide drugs. Another class of ASO, based on peptide nucleic acid (PNA) chemistry, is also gaining popularity as a platform for development of gene-specific therapy for various disorders. However, the chemical synthesis of long PNAs, which are more target-specific, remains an ongoing challenge. Most of the reported methodology for the solid-phase synthesis of PNA suffer from poor coupling efficiency which limits production to short PNA sequences of less than 15 residues. Here, we have studied the effect of backbone modifications with Hmb (2-hydroxy-4-methoxybenzyl) and Dmb (2,4-dimethoxybenzyl) to ameliorate difficult couplings and reduce “on-resin” aggregation. We firstly synthesized a library of PNA dimers incorporating either Hmb or Dmb and identified that Hmb is superior to Dmb in terms of its ease of removal. Subsequently, we used Hmb backbone modification to synthesize a 22-mer purine-rich PNA, targeting dystrophin RNA splicing, which could not be synthesized by standard coupling methodology. Hmb backbone modification allowed this difficult PNA to be synthesized as well as to be continued to include a cell-penetrating peptide on the same solid support. This approach provides a novel and straightforward strategy for facile solid-phase synthesis of difficult purine-rich PNA sequences.
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Affiliation(s)
- Julien Tailhades
- The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia.,Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
| | - Hotake Takizawa
- Department of Molecular Therapy, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Michael J Gait
- Laboratory of Molecular Biology, Medical Research Council, Cambridge, United Kingdom
| | | | - John D Wade
- The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia.,School of Chemistry, University of Melbourne, Parkville, VIC, Australia
| | - Yoshitsugu Aoki
- Department of Molecular Therapy, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Fazel Shabanpoor
- The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia.,School of Chemistry, University of Melbourne, Parkville, VIC, Australia
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16
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Desmet R, Pauzuolis M, Boll E, Drobecq H, Raibaut L, Melnyk O. Synthesis of Unprotected Linear or Cyclic O-Acyl Isopeptides in Water Using Bis(2-sulfanylethyl)amido Peptide Ligation. Org Lett 2015; 17:3354-7. [PMID: 26075704 DOI: 10.1021/acs.orglett.5b01614] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
SEA ligation proceeds chemoselectively at pH 3, i.e., at a pH where the O-acyl isopeptides are protected by protonation. This property was used for synthesizing unprotected O-acyl isopeptides in water, starting from peptide segments which are easily accessible by the Fmoc SPPS.
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Affiliation(s)
- Rémi Desmet
- UMR CNRS 8161, Université Lille, Pasteur Institute of Lille 59021 Lille, France
| | - Mindaugas Pauzuolis
- UMR CNRS 8161, Université Lille, Pasteur Institute of Lille 59021 Lille, France
| | - Emmanuelle Boll
- UMR CNRS 8161, Université Lille, Pasteur Institute of Lille 59021 Lille, France
| | - Hervé Drobecq
- UMR CNRS 8161, Université Lille, Pasteur Institute of Lille 59021 Lille, France
| | - Laurent Raibaut
- UMR CNRS 8161, Université Lille, Pasteur Institute of Lille 59021 Lille, France
| | - Oleg Melnyk
- UMR CNRS 8161, Université Lille, Pasteur Institute of Lille 59021 Lille, France
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17
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Zhang R, Edgar KJ. Water-soluble aminocurdlan derivatives by chemoselective azide reduction using NaBH4. Carbohydr Polym 2015; 122:84-92. [DOI: 10.1016/j.carbpol.2014.12.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Revised: 12/15/2014] [Accepted: 12/20/2014] [Indexed: 12/31/2022]
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18
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Hamada Y, Miyamoto N, Kiso Y. Novel β-amyloid aggregation inhibitors possessing a turn mimic. Bioorg Med Chem Lett 2015; 25:1572-6. [DOI: 10.1016/j.bmcl.2015.02.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 01/16/2015] [Accepted: 02/06/2015] [Indexed: 10/24/2022]
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19
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Frączak O, Lasota A, Leśniak A, Lipkowski AW, Olma A. The Biological Consequences of Replacingd-Ala in Biphalin with Amphiphilic α-Alkylserines. Chem Biol Drug Des 2014; 84:199-205. [DOI: 10.1111/cbdd.12305] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 02/06/2014] [Accepted: 02/13/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Oliwia Frączak
- Institute of Organic Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Łódź Poland
| | - Anika Lasota
- Institute of Organic Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Łódź Poland
| | - Anna Leśniak
- Mossakowski Medical Research Centre; Polish Academy of Sciences; Pawińskiego 5 01-793 Warsaw Poland
| | - Andrzej W. Lipkowski
- Mossakowski Medical Research Centre; Polish Academy of Sciences; Pawińskiego 5 01-793 Warsaw Poland
| | - Aleksandra Olma
- Institute of Organic Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Łódź Poland
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20
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Abstract
The chemical synthesis of peptides or small proteins is often an important step in many research projects and has stimulated the development of numerous chemical methodologies. The aim of this review is to give a substantial overview of the solid phase methods developed for the production or purification of polypeptides. The solid phase peptide synthesis (SPPS) technique has facilitated considerably the access to short peptides (<50 amino acids). However, its limitations for producing large homogeneous peptides have stimulated the development of solid phase covalent or non-covalent capture purification methods. The power of the native chemical ligation (NCL) reaction for protein synthesis in aqueous solution has also been adapted to the solid phase by the combination of novel linker technologies, cysteine protection strategies and thioester or N,S-acyl shift thioester surrogate chemistries. This review details pioneering studies and the most recent publications related to the solid phase chemical synthesis of large peptides and proteins.
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21
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Liu TY, Hussein WM, Jia Z, Ziora ZM, McMillan NAJ, Monteiro MJ, Toth I, Skwarczynski M. Self-Adjuvanting Polymer–Peptide Conjugates As Therapeutic Vaccine Candidates against Cervical Cancer. Biomacromolecules 2013; 14:2798-806. [DOI: 10.1021/bm400626w] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Tzu-Yu Liu
- School of Chemistry and Molecular
Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Waleed M. Hussein
- School of Chemistry and Molecular
Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Zhongfan Jia
- Australian Institute for Bioengineering
and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Zyta M. Ziora
- School of Chemistry and Molecular
Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Nigel A. J. McMillan
- Cancer Research Centre, Griffith
Health Institute and School of Medical Science, Griffith University, Gold Coast, QLD 4222, Australia
| | - Michael J. Monteiro
- Australian Institute for Bioengineering
and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Istvan Toth
- School of Chemistry and Molecular
Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia
- School of Pharmacy, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Mariusz Skwarczynski
- School of Chemistry and Molecular
Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia
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22
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Abstract
O-Acyl isopeptides, in which the N-acyl linkage on the hydroxyamino acid residue (e.g., Ser and Thr) is replaced with an O-acyl linkage, generally possess superior water-solubility to their corresponding native peptides, as well as other distinct physicochemical properties. In addition, O-acyl isopeptides can be rapidly converted into their corresponding native peptide under neutral aqueous conditions through an O-to-N acyl migration. By exploiting these characteristics, researchers have applied the O-acyl isopeptide method to various peptide-synthesis fields, such as the synthesis of aggregative peptides and convergent peptide synthesis. This O-acyl-isopeptide approach also serves as a means to control the biological function of the peptide in question. Herein, we report the synthesis of O-acyl isopeptides and some of their applications.
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Affiliation(s)
- Youhei Sohma
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Tokyo 113-0033, Japan.
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23
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Hussein WM, Liu TY, Toth I, Skwarczynski M. Microwave-assisted synthesis of difficult sequence-containing peptides using the isopeptide method. Org Biomol Chem 2013; 11:2370-6. [DOI: 10.1039/c3ob00030c] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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24
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Skwarczynski M, Kowapradit J, Ziora ZM, Toth I. pH-triggered peptide self-assembly into fibrils: a potential peptide-based subunit vaccine delivery platform. ACTA ACUST UNITED AC 2013. [DOI: 10.7243/2052-9341-1-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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25
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Hemantha HP, Narendra N, Sureshbabu VV. Total chemical synthesis of polypeptides and proteins: chemistry of ligation techniques and beyond. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.08.059] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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26
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Kim M, Park YS, Shin DS, Lee S, Lee YS. PEG grafted AM SURE™ resin and its application to solid-phase peptide synthesis. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.06.074] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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27
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Analogue-based drug discovery: Contributions to medicinal chemistry principles and drug design strategies. Microtubule stabilizers as a case in point (Special Topic Article). PURE APPL CHEM 2012. [DOI: 10.1351/pac-con-12-02-13] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The benefits of utilizing marketed drugs as starting points to discover new therapeutic agents have been well documented within the IUPAC series of books that bear the title Analogue-based Drug Discovery (ABDD). Not as clearly demonstrated, however, is that ABDD also contributes to the elaboration of new basic principles and alternative drug design strategies that are useful to the field of medicinal chemistry in general. After reviewing the ABDD programs that have evolved around the area of microtubule-stabilizing chemo-therapeutic agents, the present article delineates the associated research activities that additionally contributed to general strategies that can be useful for prodrug design, identifying pharmacophores, circumventing multidrug resistance (MDR), and achieving targeted drug distribution.
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28
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Butterfield S, Hejjaoui M, Fauvet B, Awad L, Lashuel HA. Chemical strategies for controlling protein folding and elucidating the molecular mechanisms of amyloid formation and toxicity. J Mol Biol 2012; 421:204-36. [PMID: 22342932 DOI: 10.1016/j.jmb.2012.01.051] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Revised: 01/30/2012] [Accepted: 01/31/2012] [Indexed: 12/12/2022]
Abstract
It has been more than a century since the first evidence linking the process of amyloid formation to the pathogenesis of Alzheimer's disease. During the last three decades in particular, increasing evidence from various sources (pathology, genetics, cell culture studies, biochemistry, and biophysics) continues to point to a central role for the pathogenesis of several incurable neurodegenerative and systemic diseases. This is in part driven by our improved understanding of the molecular mechanisms of protein misfolding and aggregation and the structural properties of the different aggregates in the amyloid pathway and the emergence of new tools and experimental approaches that permit better characterization of amyloid formation in vivo. Despite these advances, detailed mechanistic understanding of protein aggregation and amyloid formation in vitro and in vivo presents several challenges that remain to be addressed and several fundamental questions about the molecular and structural determinants of amyloid formation and toxicity and the mechanisms of amyloid-induced toxicity remain unanswered. To address this knowledge gap and technical challenges, there is a critical need for developing novel tools and experimental approaches that will not only permit the detection and monitoring of molecular events that underlie this process but also allow for the manipulation of these events in a spatial and temporal fashion both in and out of the cell. This review is primarily dedicated in highlighting recent results that illustrate how advances in chemistry and chemical biology have been and can be used to address some of the questions and technical challenges mentioned above. We believe that combining recent advances in the development of new fluorescent probes, imaging tools that enabled the visualization and tracking of molecular events with advances in organic synthesis, and novel approaches for protein synthesis and engineering provide unique opportunities to gain a molecular-level understanding of the process of amyloid formation. We hope that this review will stimulate further research in this area and catalyze increased collaboration at the interface of chemistry and biology to decipher the mechanisms and roles of protein folding, misfolding, and aggregation in health and disease.
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Affiliation(s)
- Sara Butterfield
- Laboratory of Molecular and Chemical Biology of Neurodegeneration, Brain Mind Institute, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
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29
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Monbaliu JCM, Katritzky AR. Recent trends in Cys- and Ser/Thr-based synthetic strategies for the elaboration of peptide constructs. Chem Commun (Camb) 2012; 48:11601-22. [DOI: 10.1039/c2cc34434c] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Földi I, Datki ZL, Szabó Z, Bozsó Z, Penke B, Janáky T. Proteomic study of the toxic effect of oligomeric Aβ1-42 in situ prepared from 'iso-Aβ1-42'. J Neurochem 2011; 117:691-702. [PMID: 21388376 DOI: 10.1111/j.1471-4159.2011.07238.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Alzheimer's disease (AD) is the most prevalent form of neurodegenerative disorders even so the exact pathomechanism is still unclear. Recently, it is widely accepted that amyloid-beta peptide (Aβ) toxicity is positively linked to Aβ oligomers, which may be responsible for the initiation of AD. For this reason, AD research requires well defined aggregation state and structure of Aβ. Precursor peptide 'iso-Aβ1-42' makes it possible to use Aβ1-42 with well- defined aggregation state for in vitro and in vivo experiments. The aim of this study was to identify protein expression changes from differentiated SH-SY5Y neuroblastoma cells after treatment with oligomeric Aβ1-42 prepared in situ from 'iso-Aβ1-42'. In our experiment, a cell viability assay revealed a strong and time-dependent toxic effect of oligomeric Aβ1-42 which was supported by dramatic morphological changes. Our proteomics study also revealed numerous significant protein expression changes (22 proteins down- and 25 proteins up-regulated) after comparison of the untreated and Aβ1-42-treated cell lysates by two-dimensional electrophoresis. From the functional classification of the identified proteins, we found deregulations of proteins involved in metabolic processes, cytoskeleton organisation and protein biosynthesis and a huge number of up-regulated stress proteins displayed oligomeric Aβ1-42-induced cell stress.
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Affiliation(s)
- István Földi
- Department of Medical Chemistry, University of Szeged, Szeged, Hungary.
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31
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El Khatib M, Jauregui L, Tala SR, Khelashvili L, Katritzky AR. Solution-phase synthesis of chiral O-acyl isodipeptides. MEDCHEMCOMM 2011. [DOI: 10.1039/c1md00130b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Abstract
After about one century of peptide chemistry, the main limitation to the accessibility of peptides and proteins via chemosynthesis is the arising of folding and aggregation phenomena. This is true not only for sequences above a critical length but also for several biologically relevant substrates that are relatively short yet form either highly folded structures (e.g. WW domains) or fibrils and aggregates after final deprotection (beta-amyloid peptide). Such so-called difficult sequences may be more easily obtained via their corresponding depsipeptides (O-acyl isopeptides), ester isomers that are often easier to assemble and purify, and are smoothly converted to the parent amides under mild conditions. The depsipeptide method is the most recent technique to improve the outcome of difficult syntheses, applicable to sequences containing residues of serine or threonine. A brief overview is presented about chemical aspects of the method, the steps that have been undertaken for its optimization, and the evaluation of its efficiency. Further applications of analogous principles to other critical topics in peptide synthesis such as condensation of peptide segments and solid-phase synthesis of naturally occurring cyclodepsipeptides are addressed as well.
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Affiliation(s)
- Irene Coin
- The Salk Institute for Biological Studies, CBPL, La Jolla, CA 92037-1099, USA.
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33
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34
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Boussert S, Diez-Perez I, Kogan MJ, de Oliveira E, Giralt E. An intramolecular O-N migration reaction on gold surfaces: toward the preparation of well-defined amyloid surfaces. ACS NANO 2009; 3:3091-3097. [PMID: 19772298 DOI: 10.1021/nn900935p] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Amyloids are a family of self-aggregating proteins implicated in various central nervous system disorders, including Alzheimer's disease (AD). It is thought that prefibrillar soluble forms of amyloid peptides, including oligomers, may be the main pathogenic factor in AD. Herein we describe the fabrication of well-defined, functionalized, monomeric beta-amyloid peptide surfaces for studying protein-protein interactions. We first prepared a nonaggregating analogue of the beta-amyloid peptide and then attached it to a gold surface covered with a self-assembled monolayer (SAM) of alkanethiols. After attachment, the native form of the beta-amyloid peptide (Abeta40) was obtained by surface-level intramolecular O-N migration. The surface was characterized by atomic force microscopy (AFM) and self-assembled monolayer for matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (SAMDI-TOF MS). The interaction between the surface-bound Abeta40 and monoclonal anti-Abeta40 antibody was tracked by AFM and chemiluminescence, which revealed that the Abeta40 was attached mainly in its monomeric form and that the protein-protein complex was assembled on the surface. Last, we used a proteomics approach to demonstrate the specificity of the Abeta40-functionalized surface in surface-binding experiments employing serum amyloid P (SAP) and bovine serum albumin (BSA).
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Affiliation(s)
- Stephanie Boussert
- Proteomics Platform, Barcelona Science Park, Baldiri Reixac 10, E-08028 Barcelona, Spain
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35
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Yoshiya T, Kawashima H, Sohma Y, Kimura T, Kiso Y. O-acyl isopeptide method: efficient synthesis of isopeptide segment and application to racemization-free segment condensation. Org Biomol Chem 2009; 7:2894-904. [PMID: 19582299 DOI: 10.1039/b903624e] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the establishment of the O-acyl isopeptide method-based racemization-free segment condensation reaction toward future chemical protein synthesis. Peptide segments containing C-terminal O-acyl Ser/Thr residues were successfully synthesized by use of a lower nucleophilic base cocktail for Fmoc removal, and then coupled to an amino group of a peptide-resin without side reactions or epimerization. We also succeeded in performing the segment condensation in a sequential manner and in solution phase conditions as well.
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Affiliation(s)
- Taku Yoshiya
- Department of Medicinal Chemistry, Division of Medicinal Chemical Sciences, Center for Frontier Research in Medicinal Science, 21st Century COE program, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto, 607-8412, Japan
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36
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Application of Intramolecular Migration Reaction in Peptide Chemistry to Chemical Biology, Chemical Pharmaceutics and Medicinal Chemistry. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2009. [DOI: 10.1007/978-0-387-73657-0_223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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37
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Gras SL. Surface- and Solution-Based Assembly of Amyloid Fibrils for Biomedical and Nanotechnology Applications. ENGINEERING ASPECTS OF SELF-ORGANIZING MATERIALS 2009. [DOI: 10.1016/s0065-2377(08)00206-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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38
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Taniguchi A, Skwarczynski M, Sohma Y, Okada T, Ikeda K, Prakash H, Mukai H, Hayashi Y, Kimura T, Hirota S, Matsuzaki K, Kiso Y. Controlled Production of Amyloid β Peptide from a Photo-Triggered, Water-Soluble Precursor “Click Peptide“. Chembiochem 2008; 9:3055-65. [DOI: 10.1002/cbic.200800503] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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39
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Vila-Perelló M, Hori Y, Ribó M, Muir TW. Activation of protein splicing by protease- or light-triggered O to N acyl migration. Angew Chem Int Ed Engl 2008; 47:7764-7. [PMID: 18767096 DOI: 10.1002/anie.200802502] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Miquel Vila-Perelló
- Laboratory of Synthetic Protein Chemistry, The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA
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40
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Nguyen JT, Hamada Y, Kimura T, Kiso Y. Design of potent aspartic protease inhibitors to treat various diseases. Arch Pharm (Weinheim) 2008; 341:523-35. [PMID: 18763714 DOI: 10.1002/ardp.200700267] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In this retrospective, personal review covering our research from the late 1980s until 2007, we outline nearly two-decade worth of our own work on several aspartic protease inhibitors including those affecting renin, HIV-1 protease, plasmepsins, beta-secretase, and HTLV-I protease and we report on aspartic protease inhibitors as potential drugs to treat hypertension, AIDS, malaria, Alzheimer's disease and adult T-cell leukemia, HTLV-I associated myelopathy / tropical spastic paraparesis, and various, respectively, associated diseases. Herein, we describe our methods for rational substrate-based drug design of peptidomimetics that potently inhibit the activity of renin, HIV-1 protease, plasmepsins, beta-secretase, and HTLV-I protease accordingly, using an appropriately selected inhibitory residue that contained a hydroxymethylcarbonyl isostere. Although this non-hydrolyzable isostere mimics the transition state that is formed during protein cleavage of a substrate, the isostere-containing inhibitor is not cleaved. We highlight our optimization studies in which we used various techniques and tools such as truncation studies, natural and non-natural amino acid substitution studies, various moieties to promote chemical and pharmacological stability, X-ray crystallography, computer-assisted docking and dynamic simulations, quantitative structure-activity relationship studies, and various other methods that this review can barely mention.
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Affiliation(s)
- Jeffrey-Tri Nguyen
- Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science and 21st Century COE Program, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto, Japan
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41
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Vila-Perelló M, Hori Y, Ribó M, Muir T. Activation of Protein Splicing by Protease- or Light-Triggered O to N Acyl Migration. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200802502] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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42
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Noguchi M, Skwarczynski M, Prakash H, Hirota S, Kimura T, Hayashi Y, Kiso Y. Development of novel water-soluble photocleavable protective group and its application for design of photoresponsive paclitaxel prodrugs. Bioorg Med Chem 2008; 16:5389-97. [DOI: 10.1016/j.bmc.2008.04.022] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2008] [Revised: 04/09/2008] [Accepted: 04/10/2008] [Indexed: 10/22/2022]
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43
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Taniguchi A, Yoshiya T, Abe N, Fukao F, Sohma Y, Kimura T, Hayashi Y, Kiso Y. 'O-Acyl isopeptide method' for peptide synthesis: Solvent effects in the synthesis of Abeta1-42 isopeptide using 'O-acyl isodipeptide unit'. J Pept Sci 2008; 13:868-74. [PMID: 17803257 DOI: 10.1002/psc.905] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
'O-Acyl isopeptide method' is an efficient synthetic method for peptides. We designed 'O-acyl isodipeptide units', Boc-Ser/Thr(Fmoc-Xaa)-OH, as important building blocks to enable routine use of the O-acyl isopeptide method. In the synthesis of an Abeta1-42 isopeptide using O-acyl isodipeptide unit Boc-Ser(Fmoc-Gly)-OH, a side reaction, resulting in the deletion of Ser(26) in the O-acyl isopeptide structure, was noticed during coupling of the unit. We observed that the side reaction occurred during the activation step and was solvent-dependent. In DMF or NMP, an intramolecular side reaction, originating from the activated species of the unit, occurred during the activation step. In non-polar solvents such as CHCl(3) or CH(2)Cl(2), the side reaction was less likely to occur. Using CH(2)Cl(2) as solvent in coupling the unit, the target Abeta1-42 isopeptide was synthesized with almost no major side reaction.
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Affiliation(s)
- Atsuhiko Taniguchi
- Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, 21st Century COE Program, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8412, Japan
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44
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Pedatella S, De Nisco M, Ernst B, Guaragna A, Wagner B, Woods RJ, Palumbo G. New sialyl Lewis(x) mimic containing an alpha-substituted beta(3)-amino acid spacer. Carbohydr Res 2007; 343:31-8. [PMID: 17980866 DOI: 10.1016/j.carres.2007.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2007] [Revised: 08/20/2007] [Accepted: 10/02/2007] [Indexed: 11/16/2022]
Abstract
A highly convergent and efficient synthesis of a new sialyl Lewis(x) (sLe(x)) mimic, which was predicted by computational studies to fulfil the spacial requirements for a selectin antagonist, has been developed. With a beta(2,3)-amino acid residue l-galactose (bioisostere of the l-fucose moiety present in the natural sLe(x)) and succinate are linked, leading to a mimic of sLe(x) that contains all the required pharmacophores, namely the 3- and 4-hydroxy group of l-fucose, the 4- and 6-hydroxy group of d-galactose and the carboxylic acid of N-acetylneuraminic acid. The key step of the synthesis involves a tandem reaction consisting of a N-deprotection and a suitable O-->N intramolecular acyl migration reaction which is promoted by cerium ammonium nitrate (CAN). Finally, the new sialyl Lewis(x) mimic was biologically evaluated in a competitive binding assay.
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Affiliation(s)
- Silvana Pedatella
- Dipartimento di Chimica Organica e Biochimica, Università di Napoli Federico II, Via Cynthia, 4 I-80126 Napoli, Italy.
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45
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Stella VJ, Nti-Addae KW. Prodrug strategies to overcome poor water solubility. Adv Drug Deliv Rev 2007; 59:677-94. [PMID: 17628203 DOI: 10.1016/j.addr.2007.05.013] [Citation(s) in RCA: 351] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2007] [Accepted: 05/10/2007] [Indexed: 10/23/2022]
Abstract
Drug design in recent years has attempted to explore new chemical spaces resulting in more complex, larger molecular weight molecules, often with limited water solubility. To deliver molecules with these properties, pharmaceutical scientists have explored many different techniques. An older but time-tested strategy is the design of bioreversible, more water-soluble derivatives of the problematic molecule, or prodrugs. This review explores the use of prodrugs to effect improved oral and parenteral delivery of poorly water-soluble problematic drugs, using both marketed as well as investigational prodrugs as examples. Prodrug interventions should be considered early in the drug discovery paradigm rather than as a technique of last resort. Their importance is supported by the increasing percentage of approved new drug entities that are, in fact, prodrugs.
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Affiliation(s)
- Valentino J Stella
- Department of Pharmaceutical Chemistry, The University of Kansas, Lawrence, Kansas 66047, USA.
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46
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Mimna R, Camus MS, Schmid A, Tuchscherer G, Lashuel HA, Mutter M. Disruption of amyloid-derived peptide assemblies through the controlled induction of a beta-sheet to alpha-helix transformation: application of the switch concept. Angew Chem Int Ed Engl 2007; 46:2681-4. [PMID: 17330907 DOI: 10.1002/anie.200603681] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Richard Mimna
- Institute of Chemical Sciences and Engineering, Eidgenössische Technische Hochschule Lausanne, 1015 Lausanne, Switzerland
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47
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Sohma Y, Kiso Y. "Click peptides"--chemical biology-oriented synthesis of Alzheimer's disease-related amyloid beta peptide (abeta) analogues based on the "O-acyl isopeptide method". Chembiochem 2007; 7:1549-57. [PMID: 16915597 DOI: 10.1002/cbic.200600112] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A clear understanding of the pathological mechanism of amyloid beta peptide (Abeta) 1-42, a currently unexplained process, would be of great significance for the discovery of novel drug targets for Alzheimer's disease (AD) therapy. To date, though, the elucidation of these Abeta1-42 dynamic events has been a difficult issue because of uncontrolled polymerization, which also poses a significant obstacle in establishing experimental systems with which to clarify the pathological function of Abeta1-42. We have recently developed chemical biology-oriented pH- or phototriggered "click peptide" isoform precursors of Abeta1-42, based on the "O-acyl isopeptide method", in which a native amide bond at a hydroxyamino acid residue, such as Ser, is isomerized to an ester bond, the target peptide subsequently being generated by an O-N intramolecular acyl migration reaction. These click peptide precursors did not exhibit any self-assembling character under physiological conditions, thanks to the presence of the one single ester bond, and were able to undergo migration to give the target Abeta1-42 in a quick and easy, one-way (so-called "click")conversion reaction. The use of click peptides could be a useful strategy to investigate the biological functions of Abeta1-42 in AD through inducible activation of Abeta1-42 self-assembly.
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Affiliation(s)
- Youhei Sohma
- Department of Medicinal Chemistry Center for Frontier Research in Medicinal Science 21st Century COE Program, Kyoto Pharmaceutical University Yamashina-ku, Kyoto 607-8412, Japan
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Sohma Y, Yoshiya T, Taniguchi A, Kimura T, Hayashi Y, Kiso Y. Development of O-acyl isopeptide method. Biopolymers 2007; 88:253-62. [PMID: 17236207 DOI: 10.1002/bip.20683] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
During over a decade of study on aspartic protease inhibitors and water-soluble prodrugs, in 2003, we discovered that the presence of an O-acyl instead of N-acyl residue within the peptide backbone significantly changed the secondary structure of the native peptide. In addition, the target peptide was subsequently generated by an O-N intramolecular acyl migration reaction. These findings led to the development of a novel method, called "O-acyl isopeptide method," for the synthesis of peptides containing difficult sequence. Further application of the method to Alzheimer's Abeta1-42 revealed that the O-acyl isopeptide of Abeta1-42 could be effectively synthesized and stored without spontaneous self-assembly. Intact monomer Abeta1-42 could then be obtained from the isopeptide under physiological experimental conditions. We named the O-acyl isopeptide as "Click Peptide," because of its "quick and easy one-way conversion" to the parent Abeta1- 42. Application of the click peptide has provided a new basis for the investigation of the biological functions of Abeta1-42 by inducible activation of its self-assembly. The O-acyl isopeptide method has further evolved as a general method for peptides synthesis with our recent developments of "O-acyl isodipeptide units" and "racemization-free segment condensation methodology." Isodipeptide units have enabled routine use of the O-acyl isopeptide method by avoiding the often difficult esterification reaction on resin. "Racemizationfree segment condensation methodology" has been achieved by employing N-segments possessing a C-terminal urethaneprotected O-acyl Ser/Thr residues. The synthesis of long peptides/proteins by racemization-free segment condensation has thus become possible at Ser/Thr residues instead of Cterminal Gly/Pro residues. As the O-acyl isopeptide method becomes more widely utilized, we have composed this review to facilitate its application for the production of peptides and proteins.
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Affiliation(s)
- Youhei Sohma
- Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, 21st Century COE Program, Kyoto Pharmaceutical University, Kyoto, Japan
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Mimna R, Camus MS, Schmid A, Tuchscherer G, Lashuel H, Mutter M. Auflösung von Amyloidaggregaten durch einen kontrolliert induzierten Übergang von einer β-Faltblatt- in eine α-Helix-Struktur: eine Anwendung des Schalterkonzepts. Angew Chem Int Ed Engl 2007. [DOI: 10.1002/ange.200603681] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Yoshiya T, Taniguchi A, Sohma Y, Fukao F, Nakamura S, Abe N, Ito N, Skwarczynski M, Kimura T, Hayashi Y, Kiso Y. “O-Acyl isopeptide method” for peptide synthesis: synthesis of forty kinds of “O-acyl isodipeptide unit” Boc-Ser/Thr(Fmoc-Xaa)-OH. Org Biomol Chem 2007; 5:1720-30. [PMID: 17520140 DOI: 10.1039/b702284k] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The O-acyl isopeptide method has recently received attention as an efficient synthetic method for peptides. Herein, forty kinds of "O-acyl isodipeptide unit" Boc-Ser/Thr(Fmoc-Xaa)-OH (1-40) were effectively synthesized in two-steps without epimerization. The O-acyl isodipeptide units are important building blocks to enable the routine use of the O-acyl isopeptide method.
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Affiliation(s)
- Taku Yoshiya
- Department of Medicinal Chemistry, Center for frontier Research in Medicinal Science, 21st Century COE program, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8412, Japan
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