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Manoharan A, Jayan J, Rangarajan TM, Bose K, Benny F, Ipe RS, Kumar S, Kukreti N, Abdelgawad MA, Ghoneim MM, Kim H, Mathew B. "Click Chemistry": An Emerging Tool for Developing a New Class of Structural Motifs against Various Neurodegenerative Disorders. ACS OMEGA 2023; 8:44437-44457. [PMID: 38046293 PMCID: PMC10688180 DOI: 10.1021/acsomega.3c04960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/24/2023] [Accepted: 10/26/2023] [Indexed: 12/05/2023]
Abstract
Click chemistry is a set of easy, atom-economical reactions that are often utilized to combine two desired chemical entities. Click chemistry accelerates lead identification and optimization, reduces the complexity of chemical synthesis, and delivers extremely high yields without undesirable byproducts. The most well-known click chemistry reaction is the 1,3-dipolar cycloaddition of azides and alkynes to form 1,2,3-triazoles. The resulting 1,2,3-triazoles can serve as both bioisosteres and linkers, leading to an increase in their use in the field of drug discovery. The current Review focuses on the use of click chemistry to identify new molecules for treating neurodegenerative diseases and in other areas such as peptide targeting and the quantification of biomolecules.
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Affiliation(s)
- Amritha Manoharan
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Jayalakshmi Jayan
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - T. M. Rangarajan
- Department
of Chemistry, Sri Venkateswara College, University of Delhi, New Delhi 110021, India
| | - Kuntal Bose
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Feba Benny
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Reshma Susan Ipe
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Sunil Kumar
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Neelima Kukreti
- School
of Pharmacy, Graphic Era Hill University, Dehradun, Uttarakhand 248007, India
| | - Mohamed A. Abdelgawad
- Department
of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia
- Department
of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Mohammed M. Ghoneim
- Department
of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
| | - Hoon Kim
- Department
of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Bijo Mathew
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
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2
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Panja S, Siegel D, Camandola S, de Cabo R, Ross D, Mallela K. FAD-deficient P187S mutation of NAD(P)H:quinone oxidoreductase 1 (NQO1*2) binds and accelerates β-amyloid aggregation. Biosci Rep 2022; 42:BSR20220643. [PMID: 36281795 PMCID: PMC9664297 DOI: 10.1042/bsr20220643] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 09/28/2022] [Accepted: 10/24/2022] [Indexed: 02/03/2024] Open
Abstract
Alzheimer's disease (AD) is one of the most prominent neurodegenerative diseases. Results from animal and cellular models suggest that FAD-deficient forms of NAD(P)H quinone oxidoreductase 1 (NQO1) may accelerate the aggregation of Alzheimer's amyloid-β peptide (Aβ1-42). Here, we examined in vitro whether NQO1 and its FAD-deficient P187S mutation (NQO1*2) directly interact with Aβ1-42 and modify its rate of aggregation. When monitored using the fluorescence of either noncovalent thioflavin T (ThT) or HiLyte Fluor 647 (HF647) dye covalently attached to the Aβ1-42 peptide, the aggregation kinetics of Aβ1-42 were markedly more rapid in the presence of NQO1*2 than the wild-type (WT) NQO1. Experiments using apo-NQO1 indicate that this increase is linked to the inability of NQO1*2 to bind to FAD. Furthermore, dicoumarol, an NQO1 inhibitor that binds near the FAD-binding site and stabilizes NQO1*2, markedly decreased the aggregation kinetics of Aβ1-42. Imaging flow cytometry confirmed in-vitro coaggregation of NQO1 isoforms and Aβ1-42. Aβ1-42 alone forms rod-shaped fibril structures while in the presence of NQO1 isoforms, Aβ1-42 is incorporated in the middle of larger globular protein aggregates surrounded by NQO1 molecules. Isothermal titration calorimetry (ITC) analysis indicates that Aβ1-42 interacts with NQO1 isoforms with a specific stoichiometry through a hydrophobic interaction with positive enthalpy and entropy changes. These data define the kinetics, mechanism, and shape of coaggregates of Aβ1-42 and NQO1 isoforms and the potential relevance of FAD-deficient forms of NQO1 for amyloid aggregation diseases.
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Affiliation(s)
- Sudipta Panja
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, 12850 East Montview Boulevard, MS C238-V20, Aurora, CO 80045, U.S.A
| | - David Siegel
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, 12850 East Montview Boulevard, MS C238-V20, Aurora, CO 80045, U.S.A
| | - Simonetta Camandola
- Experimental Gerontology Section, National Institute of Aging, National Institutes of Health, Baltimore MD, U.S.A
| | - Rafael de Cabo
- Experimental Gerontology Section, National Institute of Aging, National Institutes of Health, Baltimore MD, U.S.A
| | - David Ross
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, 12850 East Montview Boulevard, MS C238-V20, Aurora, CO 80045, U.S.A
| | - Krishna M.G. Mallela
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, 12850 East Montview Boulevard, MS C238-V20, Aurora, CO 80045, U.S.A
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3
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Kanai S, Machida K, Masuda R, Koide T. Peptide precursors that acquire denatured collagen-hybridizing ability by O-to-N acyl migration at physiological pH. Org Biomol Chem 2020; 18:2823-2827. [PMID: 32232252 DOI: 10.1039/c9ob02136a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Here, we report peptide probes with either single or cyclic double stranded collagen-like sequences that spontaneously acquire collagen-hybridizing ability at physiological pH. These peptides have ester bonds derived from O-acyl isopeptide units that are converted to amide bonds via intramolecular O-to-N acyl migration by a pH shift. The peptides that do not require pre-treatment for disassembly will be useful as prodrugs in theranostic treatments targeting unfolded collagen.
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Affiliation(s)
- Sayaka Kanai
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Japan
| | - Koshi Machida
- Waseda Research Institute for Science and Engineering, Waseda University, Japan.
| | - Ryo Masuda
- Waseda Research Institute for Science and Engineering, Waseda University, Japan.
| | - Takaki Koide
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, Japan and Waseda Research Institute for Science and Engineering, Waseda University, Japan.
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4
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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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5
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Kumar A, Thompson-Adewumi A, Nandhini KP, Collins JM, Albericio F, de la Torre BG. Troubleshooting When Using γ-Valerolactone (GVL) in Green Solid-Phase Peptide Synthesis. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00073] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ashish Kumar
- Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
- KwaZulu-Natal Research Innovation and Sequencing Platform (KRISP), School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban 4041, South Africa
| | - Adeniyi Thompson-Adewumi
- Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
- KwaZulu-Natal Research Innovation and Sequencing Platform (KRISP), School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban 4041, South Africa
| | - K. P. Nandhini
- Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
- KwaZulu-Natal Research Innovation and Sequencing Platform (KRISP), School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban 4041, South Africa
| | - Jonathan M. Collins
- CEM Corporation, 3100 Smith Farm Road, Matthews, North Carolina 28104, United States
| | - Fernando Albericio
- Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, University of Barcelona, 08028 Barcelona, Spain
- Department of Organic Chemistry, University of Barcelona, 08028 Barcelona, Spain
| | - Beatriz G. de la Torre
- KwaZulu-Natal Research Innovation and Sequencing Platform (KRISP), School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban 4041, South Africa
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6
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Jia L, Wang W, Shang J, Zhao W, Wei W, Wang Y, Li L, Lu F, Liu F. Highly efficient soluble expression, purification and characterization of recombinant Aβ42 fromEscherichia coli. RSC Adv 2018; 8:18434-18441. [PMID: 35546794 PMCID: PMC9087987 DOI: 10.1039/c8ra00042e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 04/19/2018] [Indexed: 11/21/2022] Open
Abstract
Aggregation of amyloid-β protein (Aβ) is hypothesized to be a seminal neuropathological event in Alzheimer's disease (AD). Recombinant expression and purification of Aβ represents a common basis for investigating the molecular mechanisms of amyloid formation and toxicity. Herein, we report a novel high-yield expression and purification method for Aβ42 based on fusion with maltose binding protein (MBP) followed by the soluble polypeptide linker (NANP)3 and a modified tobacco etch virus (TEV) cleavage site before the Aβ42. We obtained a final yield of ∼18 mg L−1 of recombinant Aβ42 that was confirmed by SDS-PAGE, protein immunoblotting and MALDI-TOF. Finally, thioflavin T fluorescence and atomic force microscopy revealed that the recombinant Aβ42 aggregated into long, branched fibrils. Furthermore, the aggregates of the recombinant peptide had a strong cytotoxic effect on PC12 cells. The method described here can therefore be used to efficiently express the soluble fusion protein MBP-Aβ42 and obtain high-purity Aβ42 peptide, which can be used to understand the molecular mechanism of Aβ42 fibrillization and screen new candidate drugs for AD. A novel high-yield expression and purification method for Aβ42 based on a fusion with maltose binding protein followed by the soluble polypeptide linker (NANP)3 and a modified tobacco etch virus cleavage site before the Aβ42 was developed.![]()
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Affiliation(s)
- Longgang Jia
- State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology)
- Tianjin
- P. R. China
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology)
- Ministry of Education
| | - Wenjuan Wang
- State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology)
- Tianjin
- P. R. China
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology)
- Ministry of Education
| | - Jinzhao Shang
- State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology)
- Tianjin
- P. R. China
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology)
- Ministry of Education
| | - Wenping Zhao
- State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology)
- Tianjin
- P. R. China
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology)
- Ministry of Education
| | - Wei Wei
- State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology)
- Tianjin
- P. R. China
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology)
- Ministry of Education
| | - Ying Wang
- State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology)
- Tianjin
- P. R. China
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology)
- Ministry of Education
| | - Li Li
- College of Marine and Environmental Sciences
- Tianjin University of Science & Technology
- Tianjin 300457
- P. R. China
| | - Fuping Lu
- State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology)
- Tianjin
- P. R. China
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology)
- Ministry of Education
| | - Fufeng Liu
- State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology)
- Tianjin
- P. R. China
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology)
- Ministry of Education
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7
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Romeo M, Stravalaci M, Beeg M, Rossi A, Fiordaliso F, Corbelli A, Salmona M, Gobbi M, Cagnotto A, Diomede L. Humanin Specifically Interacts with Amyloid-β Oligomers and Counteracts Their in vivo Toxicity. J Alzheimers Dis 2017; 57:857-871. [PMID: 28282805 DOI: 10.3233/jad-160951] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The 24-residue peptide humanin (HN) has been proposed as a peptide-based inhibitor able to interact directly with amyloid-β (Aβ) oligomers and interfere with the formation and/or biological properties of toxic Aβ species. When administered exogenously, HN, or its synthetic S14G-derivative (HNG), exerted multiple cytoprotective effects, counteracting the Aβ-induced toxicity. Whether these peptides interact directly with Aβ, particularly with the soluble oligomeric assemblies, remains largely unknown. We here investigated the ability of HN and HNG to interact directly with highly aggregating Aβ42, and interfere with the formation and toxicity of its oligomers. Experiments were run in cell-free conditions and in vivo in a transgenic C. elegans strain in which the Aβ toxicity was specifically due to oligomeric species. Thioflavin-T assay indicated that both HN and HNG delay the formation and reduce the final amount of Aβ42 fibrils. In vitro surface plasmon resonance studies indicated that they interact with Aβ42 oligomers favoring the formation of amorphous larger assemblies, observed with turbidity and electron microscopy. In vivo studies indicated that both HN and HNG decrease the relative abundance of A11-positive prefibrillar oligomers as well as OC-positive fibrillar oligomers and had similar protective effects. However, while HN possibly decreased the oligomers by promoting their assembly into larger aggregates, the reduction of oligomers caused by HNG can be ascribed to a marked decrease of the total Aβ levels, likely the consequence of the HNG-induced overexpression of the Aβ-degrading enzyme neprilysin. These findings provide information on the mechanisms underlying the anti-oligomeric effects of HN and HNG and illustrate the role of S14G substitution in regulating the in vivo mechanism of action.
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Affiliation(s)
- Margherita Romeo
- Department of Molecular Biochemistry and Pharmacology, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Matteo Stravalaci
- Department of Molecular Biochemistry and Pharmacology, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Marten Beeg
- Department of Molecular Biochemistry and Pharmacology, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Alessandro Rossi
- Department of Molecular Biochemistry and Pharmacology, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Fabio Fiordaliso
- Department of Cardiovascular Research, Unit of Bio-imaging, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Alessandro Corbelli
- Department of Cardiovascular Research, Unit of Bio-imaging, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Mario Salmona
- Department of Molecular Biochemistry and Pharmacology, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Marco Gobbi
- Department of Molecular Biochemistry and Pharmacology, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Alfredo Cagnotto
- Department of Molecular Biochemistry and Pharmacology, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Luisa Diomede
- Department of Molecular Biochemistry and Pharmacology, IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
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8
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Karageorgis A, Claron M, Jugé R, Aspord C, Thoreau F, Leloup C, Kucharczak J, Plumas J, Henry M, Hurbin A, Verdié P, Martinez J, Subra G, Dumy P, Boturyn D, Aouacheria A, Coll JL. Systemic Delivery of Tumor-Targeted Bax-Derived Membrane-Active Peptides for the Treatment of Melanoma Tumors in a Humanized SCID Mouse Model. Mol Ther 2017; 25:534-546. [PMID: 28153100 DOI: 10.1016/j.ymthe.2016.11.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 11/09/2016] [Accepted: 11/11/2016] [Indexed: 01/03/2023] Open
Abstract
Melanoma is a highly metastatic and deadly form of cancer. Invasive melanoma cells overexpress integrin αvβ3, which is a well-known target for Arg-Gly-Asp-based (RGD) peptides. We developed a sophisticated method to synthetize milligram amounts of a targeted vector that allows the RGD-mediated targeting, internalization, and release of a mitochondria-disruptive peptide derived from the pro-apoptotic Bax protein. We found that 2.5 μM Bax[109-127] was sufficient to destabilize the mitochondria in ten different tumor cell lines, even in the presence of the anti-apoptotic Bcl2 protein, which is often involved in tumor resistance. This pore-forming peptide displayed antitumor activity when it was covalently linked by a disulfide bridge to the tetrameric RAFT-c[RGD]4-platform and after intravenous injection in a human melanoma tumor model established in humanized immuno-competent mice. In addition to its direct toxic effect, treatment with this combination induced the release of the immuno-stimulating factor monocyte chimoattractant protein 1 (MCP1) in the blood and a decrease in the level of the pro-angiogenic factor FGF2. Our novel multifunctional, apoptosis-inducing agent could be further customized and assayed for potential use in tumor-targeted therapy.
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Affiliation(s)
- Anastassia Karageorgis
- INSERM U1209, Institut Albert Bonniot, 38706 La Tronche, France; Université Grenoble Alpes, 38000 Grenoble, France
| | - Michaël Claron
- Université Grenoble Alpes, 38000 Grenoble, France; CNRS UMR 5250, ICMG FR2607, 38000 Grenoble, France
| | - Romain Jugé
- Molecular Biology of the Cell Laboratory (LBMC), Ecole Normale Supérieure de Lyon, UMR 5239 CNRS - UCBL - ENS Lyon, 46 Allée d'Italie, 69364 Lyon Cedex 07, France
| | - Caroline Aspord
- Université Grenoble Alpes, 38000 Grenoble, France; EMR EFS-UGA-INSERM U1209- CNRS, Immunobiology and Immunotherapy of Chronic Diseases, 38706 La Tronche, France; EFS Rhone-Alpes, R&D Laboratory, 38701 La Tronche, France
| | - Fabien Thoreau
- INSERM U1209, Institut Albert Bonniot, 38706 La Tronche, France; Université Grenoble Alpes, 38000 Grenoble, France; CNRS UMR 5250, ICMG FR2607, 38000 Grenoble, France
| | - Claire Leloup
- Université Grenoble Alpes, 38000 Grenoble, France; EMR EFS-UGA-INSERM U1209- CNRS, Immunobiology and Immunotherapy of Chronic Diseases, 38706 La Tronche, France; EFS Rhone-Alpes, R&D Laboratory, 38701 La Tronche, France
| | - Jérôme Kucharczak
- Molecular Biology of the Cell Laboratory (LBMC), Ecole Normale Supérieure de Lyon, UMR 5239 CNRS - UCBL - ENS Lyon, 46 Allée d'Italie, 69364 Lyon Cedex 07, France
| | - Joël Plumas
- Université Grenoble Alpes, 38000 Grenoble, France; EMR EFS-UGA-INSERM U1209- CNRS, Immunobiology and Immunotherapy of Chronic Diseases, 38706 La Tronche, France; EFS Rhone-Alpes, R&D Laboratory, 38701 La Tronche, France
| | - Maxime Henry
- INSERM U1209, Institut Albert Bonniot, 38706 La Tronche, France; Université Grenoble Alpes, 38000 Grenoble, France
| | - Amandine Hurbin
- INSERM U1209, Institut Albert Bonniot, 38706 La Tronche, France; Université Grenoble Alpes, 38000 Grenoble, France
| | - Pascal Verdié
- CNRS UMR 5247, Institut des Biomolécules Max Mousseron IBMM, 34095 Montpellier, France
| | - Jean Martinez
- CNRS UMR 5247, Institut des Biomolécules Max Mousseron IBMM, 34095 Montpellier, France
| | - Gilles Subra
- CNRS UMR 5247, Institut des Biomolécules Max Mousseron IBMM, 34095 Montpellier, France
| | - Pascal Dumy
- CNRS UMR 5250, ICMG FR2607, 38000 Grenoble, France; CNRS UMR 5247, Institut des Biomolécules Max Mousseron IBMM, 34095 Montpellier, France
| | - Didier Boturyn
- Université Grenoble Alpes, 38000 Grenoble, France; CNRS UMR 5250, ICMG FR2607, 38000 Grenoble, France
| | - Abdel Aouacheria
- Molecular Biology of the Cell Laboratory (LBMC), Ecole Normale Supérieure de Lyon, UMR 5239 CNRS - UCBL - ENS Lyon, 46 Allée d'Italie, 69364 Lyon Cedex 07, France; Institut des Sciences de l'Evolution de Montpellier (ISEM), UMR 5554, Université de Montpellier, CNRS, IRD, EPHE, Place Eugène Bataillon, 34095 Montpellier, France.
| | - Jean-Luc Coll
- INSERM U1209, Institut Albert Bonniot, 38706 La Tronche, France; Université Grenoble Alpes, 38000 Grenoble, France.
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9
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Awad L, Jejelava N, Burai R, Lashuel HA. A New Caged-Glutamine Derivative as a Tool To Control the Assembly of Glutamine-Containing Amyloidogenic Peptides. Chembiochem 2016; 17:2353-2360. [DOI: 10.1002/cbic.201600474] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Indexed: 12/19/2022]
Affiliation(s)
- Loay Awad
- College of Engineering; University of Dammam; P. O. Box 1982 Dammam 31451 Saudi Arabia
| | - Nino Jejelava
- Laboratory of Molecular and Chemical Biology of Neurodegeneration; Ecole Polytechnique Fédérale de Lausanne; EPFL); 1015 Lausanne Switzerland
| | - Ritwik Burai
- Laboratory of Molecular and Chemical Biology of Neurodegeneration; Ecole Polytechnique Fédérale de Lausanne; EPFL); 1015 Lausanne Switzerland
| | - Hilal A. Lashuel
- Laboratory of Molecular and Chemical Biology of Neurodegeneration; Ecole Polytechnique Fédérale de Lausanne; EPFL); 1015 Lausanne Switzerland
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10
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Beyer I, Rezaei-Ghaleh N, Klafki HW, Jahn O, Haußmann U, Wiltfang J, Zweckstetter M, Knölker HJ. Solid-Phase Synthesis and Characterization of N-Terminally Elongated Aβ-3-x -Peptides. Chemistry 2016; 22:8685-93. [PMID: 27167300 PMCID: PMC5084751 DOI: 10.1002/chem.201600892] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Indexed: 01/24/2023]
Abstract
In addition to the prototypic amyloid-β (Aβ) peptides Aβ1-40 and Aβ1-42 , several Aβ variants differing in their amino and carboxy termini have been described. Synthetic availability of an Aβ variant is often the key to study its role under physiological or pathological conditions. Herein, we report a protocol for the efficient solid-phase peptide synthesis of the N-terminally elongated Aβ-peptides Aβ-3-38 , Aβ-3-40 , and Aβ-3-42 . Biophysical characterization by NMR spectroscopy, CD spectroscopy, an aggregation assay, and electron microscopy revealed that all three peptides were prone to aggregation into amyloid fibrils. Immunoprecipitation, followed by mass spectrometry, indicated that Aβ-3-38 and Aβ-3-40 are generated by transfected cells even in the presence of a tripartite β-site amyloid precursor protein cleaving enzyme 1 (BACE1) inhibitor. The elongated Aβ peptides starting at Val(-3) can be separated from N-terminally-truncated Aβ forms by high-resolution isoelectric-focusing techniques, despite virtually identical isoelectric points. The synthetic Aβ variants and the methods presented here are providing tools to advance our understanding of the potential roles of N-terminally elongated Aβ variants in Alzheimer's disease.
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Affiliation(s)
- Isaak Beyer
- Department Chemie, Technische Universität Dresden, Bergstrasse 66, 01069, Dresden, Germany
| | - Nasrollah Rezaei-Ghaleh
- Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077, Göttingen, Germany
- German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075, Göttingen, Germany
| | - Hans-Wolfgang Klafki
- Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Georg-August-Universität, 37075, Göttingen, Germany
| | - Olaf Jahn
- Max Planck Institute for Experimental Medicine, Proteomics Group, 37075, Göttingen, Germany
- Center for Nanoscale Microscopy and Molecular Physiology of the Brain, University Medical Center Göttingen, University of Göttingen, Humboldtallee 23, 37073, Göttingen, Germany
| | - Ute Haußmann
- University of Duisburg-Essen, 45141, Essen, Germany
| | - Jens Wiltfang
- German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075, Göttingen, Germany. ,
- Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Georg-August-Universität, 37075, Göttingen, Germany. ,
| | - Markus Zweckstetter
- Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077, Göttingen, Germany
- German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075, Göttingen, Germany
- Center for Nanoscale Microscopy and Molecular Physiology of the Brain, University Medical Center Göttingen, University of Göttingen, Humboldtallee 23, 37073, Göttingen, Germany
| | - Hans-Joachim Knölker
- Department Chemie, Technische Universität Dresden, Bergstrasse 66, 01069, Dresden, Germany.
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11
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Jung D, Sato K, Min K, Shigenaga A, Jung J, Otaka A, Kwon Y. Photo-triggered fluorescent labelling of recombinant proteins in live cells. Chem Commun (Camb) 2016; 51:9670-3. [PMID: 25977944 DOI: 10.1039/c5cc01067e] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A method to photo-chemically trigger fluorescent labelling of proteins in live cells is developed. The approach is based on photo-caged split-intein mediated conditional protein trans-splicing reaction and enabled background-free fluorescent labelling of target proteins with the necessary spatiotemporal control.
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Affiliation(s)
- Deokho Jung
- Department of Biomedical Engineering, Dongguk University-Seoul, Pildong 3-ga, Seoul, Korea.
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12
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Beeg M, Stravalaci M, Romeo M, Carrá AD, Cagnotto A, Rossi A, Diomede L, Salmona M, Gobbi M. Clusterin Binds to Aβ1-42 Oligomers with High Affinity and Interferes with Peptide Aggregation by Inhibiting Primary and Secondary Nucleation. J Biol Chem 2016; 291:6958-66. [PMID: 26884339 DOI: 10.1074/jbc.m115.689539] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Indexed: 11/06/2022] Open
Abstract
The aggregation of amyloid β protein (Aβ) is a fundamental pathogenic mechanism leading to the neuronal damage present in Alzheimer disease, and soluble Aβ oligomers are thought to be a major toxic culprit. Thus, better knowledge and specific targeting of the pathways that lead to these noxious species may result in valuable therapeutic strategies. We characterized some effects of the molecular chaperone clusterin, providing new and more detailed evidence of its potential neuroprotective effects. Using a classical thioflavin T assay, we observed a dose-dependent inhibition of the aggregation process. The global analysis of time courses under different conditions demonstrated that clusterin has no effect on the elongation rate but mainly interferes with the nucleation processes (both primary and secondary), reducing the number of nuclei available for further fibril growth. Then, using a recently developed immunoassay based on surface plasmon resonance, we obtained direct evidence of a high-affinity (KD= 1 nm) interaction of clusterin with biologically relevant Aβ1-42oligomers, selectively captured on the sensor chip. Moreover, with the same technology, we observed that substoichiometric concentrations of clusterin prevent oligomer interaction with the antibody 4G8, suggesting that the chaperone shields hydrophobic residues exposed on the oligomeric assemblies. Finally, we found that preincubation with clusterin antagonizes the toxic effects of Aβ1-42oligomers, as evaluated in a recently developedin vivomodel inCaenorhabditis elegans.These data substantiate the interaction of clusterin with biologically active regions exposed on nuclei/oligomers of Aβ1-42, providing a molecular basis for the neuroprotective effects of the chaperone.
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Affiliation(s)
- Marten Beeg
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
| | - Matteo Stravalaci
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
| | - Margherita Romeo
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
| | - Arianna Dorotea Carrá
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
| | - Alfredo Cagnotto
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
| | - Alessandro Rossi
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
| | - Luisa Diomede
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
| | - Mario Salmona
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
| | - Marco Gobbi
- From the Department of Molecular Biochemistry and Pharmacology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, 20156 Milan, Italy
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13
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Paradís-Bas M, Tulla-Puche J, Albericio F. The road to the synthesis of "difficult peptides". Chem Soc Rev 2015; 45:631-54. [PMID: 26612670 DOI: 10.1039/c5cs00680e] [Citation(s) in RCA: 144] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The last decade has witnessed a renaissance of peptides as drugs. This progress, together with advances in the structural behavior of peptides, has attracted the interest of the pharmaceutical industry in these molecules as potential APIs. In the past, major peptide-based drugs were inspired by sequences extracted from natural structures of low molecular weight. In contrast, nowadays, the peptides being studied by academic and industrial groups comprise more sophisticated sequences. For instance, they consist of long amino acid chains and show a high tendency to form aggregates. Some researchers have claimed that preparing medium-sized proteins is now feasible with chemical ligation techniques, in contrast to medium-sized peptide syntheses. The complexity associated with the synthesis of certain peptides is exemplified by the so-called "difficult peptides", a concept introduced in the 80's. This refers to sequences that show inter- or intra-molecular β-sheet interactions significant enough to form aggregates during peptide synthesis. These structural associations are stabilized and mediated by non-covalent hydrogen bonds that arise on the backbone of the peptide and-depending on the sequence-are favored. The tendency of peptide chains to aggregate is translated into a list of common behavioral features attributed to "difficult peptides" which hinder their synthesis. In this regard, this manuscript summarizes the strategies used to overcome the inherent difficulties associated with the synthesis of known "difficult peptides". Here we evaluate several external factors, as well as methods to incorporate chemical modifications into sequences, in order to describe the strategies that are effective for the synthesis of "difficult peptides". These approaches have been classified and ordered to provide an extensive guide for achieving the synthesis of peptides with the aforementioned features.
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Affiliation(s)
- Marta Paradís-Bas
- Institute for Research in Biomedicine (IRB Barcelona), Baldiri Reixac 10, 08028 Barcelona, Spain.
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14
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Tailhades J, Patil NA, Hossain MA, Wade JD. Intramolecular acyl transfer in peptide and protein ligation and synthesis. J Pept Sci 2015; 21:139-47. [DOI: 10.1002/psc.2749] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 12/25/2014] [Accepted: 12/27/2014] [Indexed: 12/18/2022]
Affiliation(s)
- Julien Tailhades
- The Florey Institute of Neuroscience and Mental Health; University of Melbourne; Victoria 3010 Australia
| | - Nitin A. Patil
- The Florey Institute of Neuroscience and Mental Health; University of Melbourne; Victoria 3010 Australia
- School of Chemistry; University of Melbourne; Victoria 3010 Australia
| | - Mohammed Akhter Hossain
- The Florey Institute of Neuroscience and Mental Health; University of Melbourne; Victoria 3010 Australia
- School of Chemistry; University of Melbourne; Victoria 3010 Australia
| | - John D. Wade
- The Florey Institute of Neuroscience and Mental Health; University of Melbourne; Victoria 3010 Australia
- School of Chemistry; University of Melbourne; Victoria 3010 Australia
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15
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Paradís-Bas M, Tulla-Puche J, Albericio F. Semipermanent C-terminal carboxylic acid protecting group: application to solubilizing peptides and fragment condensation. Org Lett 2014; 17:294-7. [PMID: 25545716 DOI: 10.1021/ol5033943] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The 2-methoxy-4-methylsulfinylbenzyl alcohol (Mmsb-OH) safety-catch linker has been described as a useful tool to overcome two obstacles in peptide synthesis: the solubility and fragment condensation of peptides. The incorporation of the linker into an insoluble peptide target, thereby allowing the conjugation of a poly-Lys as a "solubilizing tag", notably enhanced the solubility of the peptide. The selective conditions that remove that linker favored its incorporation as a semipermanent C-terminal protecting group, thereby allowing fragment condensation of peptides.
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Affiliation(s)
- Marta Paradís-Bas
- Institute for Research in Biomedicine (IRB Barcelona) Barcelona, Baldiri Reixac 10, 08028 Barcelona, Spain
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16
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Roychaudhuri R, Lomakin A, Bernstein S, Zheng X, Condron MM, Benedek GB, Bowers M, Teplow DB. Gly25-Ser26 amyloid β-protein structural isomorphs produce distinct Aβ42 conformational dynamics and assembly characteristics. J Mol Biol 2014; 426:2422-41. [PMID: 24735871 DOI: 10.1016/j.jmb.2014.04.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Revised: 04/07/2014] [Accepted: 04/08/2014] [Indexed: 12/26/2022]
Abstract
One of the earliest events in amyloid β-protein (Aβ) self-association is nucleation of Aβ monomer folding through formation of a turn at Gly25-Lys28. We report here the effects of structural changes at the center of the turn, Gly25-Ser26, on Aβ42 conformational dynamics and assembly. We used "click peptide" chemistry to quasi-synchronously create Aβ42 from 26-O-acyliso-Aβ42 (iAβ42) through a pH jump from 3 to 7.4. We also synthesized Nα-acetyl-Ser26-iAβ42 (Ac-iAβ42), which cannot undergo O→N acyl chemistry, to study the behavior of this ester form of Aβ42 itself at neutral pH. Data from experiments monitoring increases in β-sheet formation (thioflavin T, CD), hydrodynamic radius (RH), scattering intensity (quasielastic light scattering spectroscopy), and extent of oligomerization (ion mobility spectroscopy-mass spectrometry) were quite consistent. A rank order of Ac-iAβ42>iAβ42>Aβ42 was observed. Photochemically cross-linked iAβ42 displayed an oligomer distribution with a prominent dimer band that was not present with Aβ42. These dimers also were observed selectively in iAβ42 in ion mobility spectrometry experiments. The distinct biophysical behaviors of iAβ42 and Aβ42 appear to be due to the conversion of iAβ42 into "pure" Aβ42 monomer, a nascent form of Aβ42 that does not comprise the variety of oligomeric and aggregated states present in pre-existent Aβ42. These results emphasize the importance of the Gly25-Ser26 dipeptide in organizing Aβ42 monomer structure and thus suggest that drugs altering the interactions of this dipeptide with neighboring side-chain atoms or with the peptide backbone could be useful in therapeutic strategies targeting formation of Aβ oligomers and higher-order assemblies.
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Affiliation(s)
- Robin Roychaudhuri
- Department of Neurology, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Aleksey Lomakin
- Department of Physics and Center for Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Summer Bernstein
- Department of Chemistry and Biochemistry, University of California Santa Barbara, Santa Barbara, CA 93106, USA
| | - Xueyun Zheng
- Department of Chemistry and Biochemistry, University of California Santa Barbara, Santa Barbara, CA 93106, USA
| | - Margaret M Condron
- Department of Neurology, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA 90095, USA
| | - George B Benedek
- Department of Physics and Center for Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Michael Bowers
- Department of Chemistry and Biochemistry, University of California Santa Barbara, Santa Barbara, CA 93106, USA
| | - David B Teplow
- Department of Neurology, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute and Brain Research Institute, University of California Los Angeles, Los Angeles, CA 90095, USA.
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17
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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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18
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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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19
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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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20
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Wang S, Ishii Y. Revealing protein structures in solid-phase peptide synthesis by 13C solid-state NMR: evidence of excessive misfolding for Alzheimer's β. J Am Chem Soc 2012; 134:2848-51. [PMID: 22280020 DOI: 10.1021/ja212190z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Solid-phase peptide synthesis (SPPS) is a widely used technique in biology and chemistry. However, the synthesis yield in SPPS often drops drastically for longer amino acid sequences, presumably because of the occurrence of incomplete coupling reactions. The underlying cause for this problem is hypothesized to be a sequence-dependent propensity to form secondary structures through protein aggregation. However, few methods are available to study the site-specific structure of proteins or long peptides that are anchored to the solid support used in SPPS. This study presents a novel solid-state NMR (SSNMR) approach to examine protein structure in the course of SPPS. As a useful benchmark, we describe the site-specific SSNMR structural characterization of the 40-residue Alzheimer's β-amyloid (Aβ) peptide during SPPS. Our 2D (13)C/(13)C correlation SSNMR data on Aβ(1-40) bound to a resin support demonstrated that Aβ underwent excessive misfolding into a highly ordered β-strand structure across the entire amino acid sequence during SPPS. This approach is likely to be applicable to a wide range of peptides/proteins bound to the solid support that are synthesized through SPPS.
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Affiliation(s)
- Songlin Wang
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607, USA
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21
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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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22
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Jim CKW, Qin A, Mahtab F, Lam JWY, Tang BZ. Ferrocene-Functionalized Disubstituted Polyacetylenes with High Light Refractivity: Synthesis through Polymer Reaction by Using Click Chemistry and Application as Precursors to Magnetic Nanoparticles. Chem Asian J 2011; 6:2753-61. [DOI: 10.1002/asia.201100286] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Indexed: 12/24/2022]
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23
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Design and synthesis of caged ceramide: UV-responsive ceramide releasing system based on UV-induced amide bond cleavage followed by O–N acyl transfer. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.04.048] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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24
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Yoshiya T, Higa A, Abe N, Fukao F, Kuruma T, Toda Y, Sohma Y, Kiso Y. Click Peptide concept: o-acyl isopeptide of islet amyloid polypeptide as a nonaggregative precursor molecule. Chembiochem 2011; 12:1216-22. [PMID: 21538760 DOI: 10.1002/cbic.201100025] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Indexed: 12/24/2022]
Abstract
The O-acyl isopeptide (1) of islet amyloid polypeptide (IAPP), which contains an ester moiety at both Ala8-Thr9 and Ser19-Ser20, was prepared by sequential segment condensation based on the O-acyl isopeptide method. Isopeptide 1 possessed nonaggregative properties, retaining its random coil structure under the acidic conditions; this suggests that the insertion of the O-acyl isopeptide structures in IAPP suppressed aggregation of the molecule. As a result of the rapid O-to-N acyl shift of 1 under neutral pH, in situ-formed IAPP adopted a random-coil structure at the start of the experiment, and then underwent conformational change to α-helix/β-sheet mixed structures as well as aggregation. The click peptide strategy with the nonaggregative precursor molecule 1 could be a useful experimental tool to identify the functions of IAPP, by overcoming the handling difficulties that arise from IAPP's intense and uncontrollable self-assembling nature.
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Affiliation(s)
- Taku Yoshiya
- Kyoto Pharmaceutical University, Department of Medicinal Chemistry, Center for Frontier Research in Medicinal Science, Yamashina-ku, Kyoto, Japan
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25
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Sohma Y, Hirayama Y, Taniguchi A, Mukai H, Kiso Y. ‘Click peptide’ using production of monomer Aβ from the O-acyl isopeptide: Application to assay system of aggregation inhibitors and cellular cytotoxicity. Bioorg Med Chem 2011; 19:1729-33. [DOI: 10.1016/j.bmc.2011.01.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2010] [Revised: 01/11/2011] [Accepted: 01/12/2011] [Indexed: 11/16/2022]
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26
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Scanlon DB, Karas JA. Synthesis of peptide sequences derived from fibril-forming proteins. Methods Mol Biol 2011; 752:29-43. [PMID: 21713629 DOI: 10.1007/978-1-60327-223-0_3] [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: 05/31/2023]
Abstract
The pathogenesis of a large number of diseases, including Alzheimer's Disease, Parkinson's Disease, and Creutzfeldt-Jakob Disease (CJD), is associated with protein aggregation and the formation of amyloid, fibrillar deposits. Peptide fragments of amyloid-forming proteins have been found to form fibrils in their own right and have become important tools for unlocking the mechanism of amyloid fibril formation and the pathogenesis of amyloid diseases. The synthesis and purification of peptide sequences derived from amyloid fibril-forming proteins can be extremely challenging. The synthesis may not proceed well, generating a very low quality crude product which can be difficult to purify. Even clean crude peptides can be difficult to purify, as they are often insoluble or form fibrils rapidly in solution. This chapter presents methods to recognise and to overcome the difficulties associated with the synthesis, and purification of fibril-forming peptides, illustrating the points with three synthetic examples.
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Affiliation(s)
- Denis B Scanlon
- Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, VIC, Australia.
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27
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28
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Shigenaga A, Yamamoto J, Nishioka N, Otaka A. Enantioselective synthesis of stimulus-responsive amino acid via asymmetric α-amination of aldehyde. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.07.033] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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29
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Shigenaga A, Yamamoto J, Sumikawa Y, Furuta T, Otaka A. Development and photo-responsive peptide bond cleavage reaction of two-photon near-infrared excitation-responsive peptide. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.03.079] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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30
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Bozso Z, Penke B, Simon D, Laczkó I, Juhász G, Szegedi V, Kasza A, Soós K, Hetényi A, Wéber E, Tóháti H, Csete M, Zarándi M, Fülöp L. Controlled in situ preparation of A beta(1-42) oligomers from the isopeptide "iso-A beta(1-42)", physicochemical and biological characterization. Peptides 2010; 31:248-56. [PMID: 19995586 DOI: 10.1016/j.peptides.2009.12.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2009] [Revised: 12/01/2009] [Accepted: 12/01/2009] [Indexed: 11/25/2022]
Abstract
Beta-amyloid (A beta) peptides play a crucial role in the pathology of the neurodegeneration in Alzheimer's disease (AD). Biological experiments (both in vitro and animal model studies of AD) require synthetic A beta peptides of standard quality, aggregation grade, neurotoxicity and water solubility. The synthesis of A beta peptides has been difficult, owing to their hydrophobic character, poor solubility and high tendency for aggregation. Recently an isopeptide precursor (iso-A beta(1-42)) was synthesized by Fmoc-chemistry and transformed at neutral pH to A beta(1-42) by O-->N acyl migration in a short period of time. We prepared the same precursor peptide using Boc-chemistry and studied the transformation to A beta(1-42) by acyl migration. The peptide conformation and aggregation processes were studied by several methods (circular dichroism, atomic force and transmission electron microscopy, dynamic light scattering). The biological activity of the synthetic A beta(1-42) was measured by ex vivo (long-term potentiation studies in rat hippocampal slices) and in vivo experiments (spatial learning of rats). It was proven that O-->N acyl migration of the precursor isopeptide results in a water soluble oligomeric mixture of neurotoxic A beta(1-42). These oligomers are formed in situ just before the biological experiments and their aggregation grade could be standardized.
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Affiliation(s)
- Zsolt Bozso
- Department of Medical Chemistry, University of Szeged, Szeged, Hungary.
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31
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Tailhades J, Gidel MA, Grossi B, Lécaillon J, Brunel L, Subra G, Martinez J, Amblard M. Synthesis of Peptide Alcohols on the Basis of an O-N Acyl-Transfer Reaction. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200904276] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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32
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Tailhades J, Gidel MA, Grossi B, Lécaillon J, Brunel L, Subra G, Martinez J, Amblard M. Synthesis of Peptide Alcohols on the Basis of an O-N Acyl-Transfer Reaction. Angew Chem Int Ed Engl 2009; 49:117-20. [DOI: 10.1002/anie.200904276] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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33
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TANIGUCHI A. Development of Click Peptide: Stimuli-responsive Precursor Producing Alzheimer's Disease-related Amyloid β Peptide. YAKUGAKU ZASSHI 2009; 129:1227-32. [DOI: 10.1248/yakushi.129.1227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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34
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Liu J, Lam JWY, Tang BZ. Acetylenic Polymers: Syntheses, Structures, and Functions. Chem Rev 2009; 109:5799-867. [DOI: 10.1021/cr900149d] [Citation(s) in RCA: 1028] [Impact Index Per Article: 68.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianzhao Liu
- Department of Chemistry, William Mong Institute of Nano Science and Technology, Bioengineering Graduate Program, The Hong Kong University of Science & Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong, China, and Department of Polymer Science and Engineering, Key Laboratory of Macromolecular Synthesis and Functionalization of the Ministry of Education, Institute of Biomedical Macromolecules, Zhejiang University, Hangzhou 310027, China
| | - Jacky W. Y. Lam
- Department of Chemistry, William Mong Institute of Nano Science and Technology, Bioengineering Graduate Program, The Hong Kong University of Science & Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong, China, and Department of Polymer Science and Engineering, Key Laboratory of Macromolecular Synthesis and Functionalization of the Ministry of Education, Institute of Biomedical Macromolecules, Zhejiang University, Hangzhou 310027, China
| | - Ben Zhong Tang
- Department of Chemistry, William Mong Institute of Nano Science and Technology, Bioengineering Graduate Program, The Hong Kong University of Science & Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong, China, and Department of Polymer Science and Engineering, Key Laboratory of Macromolecular Synthesis and Functionalization of the Ministry of Education, Institute of Biomedical Macromolecules, Zhejiang University, Hangzhou 310027, China
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Wang H, Kakizawa T, Taniguchi A, Mizuguchi T, Kimura T, Kiso Y. Synthesis of amyloid β peptide 1–42 (E22Δ) click peptide: pH-triggered in situ production of its native form. Bioorg Med Chem 2009; 17:4881-7. [DOI: 10.1016/j.bmc.2009.06.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2009] [Revised: 06/05/2009] [Accepted: 06/11/2009] [Indexed: 02/04/2023]
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Hossain MA, Belgi A, Lin F, Zhang S, Shabanpoor F, Chan L, Belyea C, Truong HT, Blair AR, Andrikopoulos S, Tregear GW, Wade JD. Use of a Temporary “Solubilizing” Peptide Tag for the Fmoc Solid-Phase Synthesis of Human Insulin Glargine via Use of Regioselective Disulfide Bond Formation. Bioconjug Chem 2009; 20:1390-6. [DOI: 10.1021/bc900181a] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mohammed Akhter Hossain
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Alessia Belgi
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Feng Lin
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Suode Zhang
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Fazel Shabanpoor
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Linda Chan
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Chris Belyea
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Hue-Trung Truong
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Amy R. Blair
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Sof Andrikopoulos
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - Geoffrey W. Tregear
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
| | - John D. Wade
- Howard Florey Institute, Department of Biochemistry and Molecular Biology, School of Chemistry, Department of Medicine (AH/NH), The University of Melbourne, Victoria 3010, Australia, and Metabolic Pharmaceuticals Ltd, 2/320 Lorimer Street, Port Melbourne, Victoria 3207, Australia
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Taniguchi A, Sohma Y, Hirayama Y, Mukai H, Kimura T, Hayashi Y, Matsuzaki K, Kiso Y. "Click peptide": pH-triggered in situ production and aggregation of monomer Abeta1-42. Chembiochem 2009; 10:710-5. [PMID: 19222037 DOI: 10.1002/cbic.200800765] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The intense and uncontrollable self-assembling nature of amyloid beta peptide (Abeta) 1-42 is known to cause difficulties in preparing monomeric Abeta1-42; this results in irreproducible or discrepant study outcomes. Herein, we report novel features of a pH click peptide of Abeta1-42 that was designed to overcome these problems. The click peptide is a water-soluble precursor peptide of Abeta1-42 with an O-acyl isopeptide structure between the Gly25-Ser26 sequence. The click peptide adopts and retains a monomeric, random coil state under acidic conditions. Upon change to neutral pH (pH click), the click peptide converts to Abeta1-42 promptly (t(1/2) approximately 10 s) and quantitatively through an O-to-N intramolecular acyl migration. As a result of this quick and irreversible conversion, monomer Abeta1-42 with a random coil structure is produced in situ. Moreover, the oligomerization, amyloid fibril formation and conformational changes of the produced Abeta1-42 can be observed over time. This click peptide strategy should provide a reliable experimental system to investigate the pathological role of Abeta1-42 in Alzheimer's disease.
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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, Japan.
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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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39
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FRET-based assay of the processing reaction kinetics of stimulus-responsive peptides: influence of amino acid sequence on reaction kinetics. Tetrahedron 2009. [DOI: 10.1016/j.tet.2009.01.063] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Yoshiya T, Ito N, Kimura T, Kiso Y. Isopeptide method: development of S-acyl isopeptide method for the synthesis of difficult sequence-containing peptides. J Pept Sci 2008; 14:1203-8. [PMID: 18613286 DOI: 10.1002/psc.1053] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
A novel strategy for a more efficient synthesis of difficult sequence-containing peptides, the S-acyl isopeptide method, was developed and successfully applied. A model pentapeptide Ac-Val-Val-Cys-Val-Val-NH2 was synthesized via its water-soluble S-acyl isopeptide using an S-acyl isodipeptide unit, Boc-Cys(Fmoc-Val)-OH. An S-acyl isopeptide possessing excellent water solubility could be readily and quantitatively converted to the native peptide via an S--N intramolecular acyl migration reaction at pH 7.4. Thus, the S-acyl isopeptide method provides a useful tool in peptide chemistry.
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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, Japan
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41
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Kiewitz SD, Kakizawa T, Kiso Y, Cabrele C. Switching from the unfolded to the folded state of the helix-loop-helix domain of the Id proteins based on the O-acyl isopeptide method. J Pept Sci 2008; 14:1209-15. [PMID: 18636401 DOI: 10.1002/psc.1059] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The inhibitors of DNA binding and cell differentiation Id1-4 are helix-loop-helix (HLH) proteins that negatively regulate DNA transcription by forming inactive dimers with ubiquitous and tissue-specific bHLH proteins, including E47 and MyoD, respectively. Their highly conserved HLH domains are essential for heterodimerization, but can also self-associate to highly stable, alpha-helix-rich structures at low micromolar peptide concentrations. Here, we show that the introduction of an O-acyl isodipeptide unit involving the putative N-cap serine residue of the C-terminal helix completely abrogates the propensity of the Id HLH analogue for any secondary and tertiary structure, resulting in a random coil, as shown by CD measurements in nonbuffered aqueous solutions. However, the HLH fold reappears as soon as an O-->N intramolecular acyl migration, which occurs spontaneously under physiological conditions, restores the native N-cap serine residue. These results show that changes addressing the N-terminus of the C-terminal helix can dramatically influence the HLH structure, and suggest that local interactions at the junction between the loop and the C-terminal helix might be crucial during the HLH folding process. Furthermore, the present study contributes to the evaluation of the O-acyl isodipeptide unit as a powerful tool to introduce a conformational switch into peptides.
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Affiliation(s)
- Sebastian D Kiewitz
- Fakultät für Chemie und Pharmazie, Universität Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany
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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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43
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Pagel K, Koksch B. Following polypeptide folding and assembly with conformational switches. Curr Opin Chem Biol 2008; 12:730-9. [DOI: 10.1016/j.cbpa.2008.09.005] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2008] [Revised: 08/29/2008] [Accepted: 09/07/2008] [Indexed: 10/21/2022]
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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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Camus MS, Dos Santos S, Chandravarkar A, Mandal B, Schmid AW, Tuchscherer G, Mutter M, Lashuel HA. Switch-Peptides: Design and Characterization of Controllable Super-Amyloid-Forming Host-Guest Peptides as Tools for Identifying Anti-Amyloid Agents. Chembiochem 2008; 9:2104-12. [DOI: 10.1002/cbic.200800245] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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46
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Qin A, Lam JWY, Jim CKW, Zhang L, Yan J, Häussler M, Liu J, Dong Y, Liang D, Chen E, Jia G, Tang BZ. Hyperbranched Polytriazoles: Click Polymerization, Regioisomeric Structure, Light Emission, and Fluorescent Patterning. Macromolecules 2008. [DOI: 10.1021/ma800538m] [Citation(s) in RCA: 143] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Anjun Qin
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jacky W. Y. Lam
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Cathy K. W. Jim
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Li Zhang
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jingjing Yan
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Matthias Häussler
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jianzhao Liu
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yongqiang Dong
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Dehai Liang
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Erqiang Chen
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Guochen Jia
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
| | - Ben Zhong Tang
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China; Department of Polymer Science and Engineering, Peking University, Beijing 100871, China; and Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
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48
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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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49
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Shigenaga A, Tsuji D, Nishioka N, Tsuda S, Itoh K, Otaka A. Synthesis of a stimulus-responsive processing device and its application to a nucleocytoplasmic shuttle Peptide. Chembiochem 2008; 8:1929-31. [PMID: 17899557 DOI: 10.1002/cbic.200700442] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Akira Shigenaga
- Institute of Health Biosciences and Graduate School of Pharmaceutical Sciences, The University of Tokushima, Shomachi, Tokushima 770-8505, Japan
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50
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