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Just D, Palivec V, Bártová K, Bednárová L, Pazderková M, Císařová I, Martinez-Seara H, Jahn U. Foldamers controlled by functional triamino acids: structural investigation of α/γ-hybrid oligopeptides. Commun Chem 2024; 7:114. [PMID: 38796536 PMCID: PMC11128005 DOI: 10.1038/s42004-024-01201-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 05/14/2024] [Indexed: 05/28/2024] Open
Abstract
Peptide-like foldamers controlled by normal amide backbone hydrogen bonding have been extensively studied, and their folding patterns largely rely on configurational and conformational constraints induced by the steric properties of backbone substituents at appropriate positions. In contrast, opportunities to influence peptide secondary structure by functional groups forming individual hydrogen bond networks have not received much attention. Here, peptide-like foldamers consisting of alternating α,β,γ-triamino acids 3-amino-4-(aminomethyl)-2-methylpyrrolidine-3-carboxylate (AAMP) and natural amino acids glycine and alanine are reported, which were obtained by solution phase peptide synthesis. They form ordered secondary structures, which are dominated by a three-dimensional bridged triazaspiranoid-like hydrogen bond network involving the non-backbone amino groups, the backbone amide hydrogen bonds, and the relative configuration of the α,β,γ-triamino and α-amino acid building blocks. This additional stabilization leads to folding in both nonpolar organic as well as in aqueous environments. The three-dimensional arrangement of the individual foldamers is supported by X-ray crystallography, NMR spectroscopy, chiroptical methods, and molecular dynamics simulations.
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Affiliation(s)
- David Just
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic
| | - Vladimír Palivec
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic
| | - Kateřina Bártová
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic
| | - Lucie Bednárová
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic
| | - Markéta Pazderková
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030/8, 12843, Prague 2, Czech Republic
| | - Hector Martinez-Seara
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic.
| | - Ullrich Jahn
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic.
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Ur Rahim J, Ahmad SM, Amin T, Chowdhary R, Goswami A, Rai R. Synthesis, conformation and cytotoxic activity of short hybrid peptides containing conformationally constrained 1-(aminomethyl)cyclohexanecarboxylic acid and gabapentin. Peptides 2022; 158:170897. [PMID: 36279986 DOI: 10.1016/j.peptides.2022.170897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/08/2022] [Accepted: 10/17/2022] [Indexed: 11/07/2022]
Abstract
The present work describes the synthesis,conformation and cytotoxic activities of short β/γ hybrid peptides, Boc-β2,2-Ac6c-Gpn-NHMe, BG1; Boc-(β2,2-Ac6c-Gpn)2-OMe, BG2; Boc-(β2,2-Ac6c-Gpn)3-OMe, BG3; H-β2,2-Ac6c-Gpn-NHMe, BG4; H-(β2,2-Ac6c-Gpn)2-OMe, BG5; H-(β2,2-Ac6c-Gpn)3-OMe, BG6, Boc-β2,2-Ac6c-Gpn-OMe, BG7 and H-β2,2-Ac6c-Gpn-OMe, BG8. Mixed C6/C7 conformations were observed for β/γ hybrid peptides. Further, BG1-BG8 were screened against MCF-7 (Breast cancer), A549 (Lung Cancer), PC-3 (Prostate cancer), HCT-116 (Colon cancer), and MDA-MB-231 (Breast cancer) cell lines. Among all, BG6 exhibited potent cytotoxicity against all cancer cell lines with IC50 ranging from 1.6 μM to 6.3 μM with relatively low cytotoxicity against normal epithelial breast cell line fR-2 and human embryonic kidney cell line HEK-293. Minimal hemolytic activity was observed for BG6 against human erythrocytes. Peptide BG6 displayed anti-migratory and anti-invasive potentials showing strong interactions with intrinsic apoptotic markers Bcl-2, Bax, and cleaved-PARP, as well as the induction of the mitochondria maladjustment mediated apoptosis.
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Affiliation(s)
- Junaid Ur Rahim
- Natural Products and Medicinal Chemistry Division (NPMC), CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, Jammu and Kashmir 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Syed Mudabir Ahmad
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, Jammu and Kashmir 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Tanzeeba Amin
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, Jammu and Kashmir 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Rubina Chowdhary
- Natural Products and Medicinal Chemistry Division (NPMC), CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, Jammu and Kashmir 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Anindya Goswami
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, Jammu and Kashmir 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
| | - Rajkishor Rai
- Natural Products and Medicinal Chemistry Division (NPMC), CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, Jammu and Kashmir 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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3
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Helical Foldamers and Stapled Peptides as New Modalities in Drug Discovery: Modulators of Protein-Protein Interactions. Processes (Basel) 2022. [DOI: 10.3390/pr10050924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
A “foldamer” is an artificial oligomeric molecule with a regular secondary or tertiary structure consisting of various building blocks. A “stapled peptide” is a peptide with stabilized secondary structures, in particular, helical structures by intramolecular covalent side-chain cross-linking. Helical foldamers and stapled peptides are potential drug candidates that can target protein-protein interactions because they enable multipoint molecular recognition, which is difficult to achieve with low-molecular-weight compounds. This mini-review describes a variety of peptide-based foldamers and stapled peptides with a view to their applications in drug discovery, including our recent progress.
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Legrand B, Maillard LT. α,β-Unsaturated γ-Peptide Foldamers. Chempluschem 2021; 86:629-645. [PMID: 33856125 DOI: 10.1002/cplu.202100045] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/31/2021] [Indexed: 01/01/2023]
Abstract
Despite their concomitant emergence in the 1990s, γ-peptide foldamers have not developed as fast as β-peptide foldamers and to date, only a few γ-oligomer structures have been reported, and with sparse applications. Among these examples, sequences containing α,β-unsaturated γ-amino acids have recently drawn attention since the Z/E configurations of the double bond provide opposite planar restrictions leading to divergent conformational behaviors, from helix to extended structures. In this Review, we give a comprehensive overview of the developments of γ-peptide foldamers containing α,β-unsaturated γ-amino acids with examples of applications for health and catalysis, as well as materials science.
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Affiliation(s)
- Baptiste Legrand
- Institut des Biomolécules Max Mousseron, IBMM, University of Montpellier, ENSCM, CNRS, Montpellier, France., 15 Av. Charles Flahault BP 14 491, 34093, Montpellier Cedex 5, France
| | - Ludovic T Maillard
- Institut des Biomolécules Max Mousseron, IBMM, University of Montpellier, ENSCM, CNRS, Montpellier, France., 15 Av. Charles Flahault BP 14 491, 34093, Montpellier Cedex 5, France
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5
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Lawer A, Hunter L. Controlling γ‐Peptide Helicity with Stereoselective Fluorination. European J Org Chem 2021. [DOI: 10.1002/ejoc.202001619] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Aggie Lawer
- School of Chemistry The University of New South Wales (UNSW) Sydney 2052 Australia
| | - Luke Hunter
- School of Chemistry The University of New South Wales (UNSW) Sydney 2052 Australia
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6
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Illa O, Olivares JA, Gaztelumendi N, Martínez-Castro L, Ospina J, Abengozar MÁ, Sciortino G, Maréchal JD, Nogués C, Royo M, Rivas L, Ortuño RM. Chiral Cyclobutane-Containing Cell-Penetrating Peptides as Selective Vectors for Anti- Leishmania Drug Delivery Systems. Int J Mol Sci 2020; 21:E7502. [PMID: 33053805 PMCID: PMC7590151 DOI: 10.3390/ijms21207502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/06/2020] [Accepted: 10/08/2020] [Indexed: 02/04/2023] Open
Abstract
Two series of new hybrid γ/γ-peptides, γ-CC and γ-CT, formed by (1S,2R)-3-amino-2,2,dimethylcyclobutane-1-carboxylic acid joined in alternation to a Nα-functionalized cis- or trans-γ-amino-l-proline derivative, respectively, have been synthesized and evaluated as cell penetrating peptides (CPP) and as selective vectors for anti-Leishmania drug delivery systems (DDS). They lacked cytotoxicity on the tumoral human cell line HeLa with a moderate cell-uptake on these cells. In contrast, both γ-CC and γ-CT tetradecamers were microbicidal on the protozoan parasite Leishmania beyond 25 μM, with significant intracellular accumulation. They were conjugated to fluorescent doxorubicin (Dox) as a standard drug showing toxicity beyond 1 μM, while free Dox was not toxic. Intracellular accumulation was 2.5 higher than with Dox-TAT conjugate (TAT = transactivator of transcription, taken as a standard CPP). The conformational structure of the conjugates was approached both by circular dichroism spectroscopy and molecular dynamics simulations. Altogether, computational calculations predict that the drug-γ-peptide conjugates adopt conformations that bury the Dox moiety into a cavity of the folded peptide, while the positively charged guanidinium groups face the solvent. The favorable charge/hydrophobicity balance in these CPP improves the solubility of Dox in aqueous media, as well as translocation across cell membranes, making them promising candidates for DDS.
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Affiliation(s)
- Ona Illa
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (O.I.); (J.-A.O.); (L.M.-C.); (J.O.); (G.S.); (J.-D.M.)
| | - José-Antonio Olivares
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (O.I.); (J.-A.O.); (L.M.-C.); (J.O.); (G.S.); (J.-D.M.)
| | - Nerea Gaztelumendi
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain;
| | - Laura Martínez-Castro
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (O.I.); (J.-A.O.); (L.M.-C.); (J.O.); (G.S.); (J.-D.M.)
| | - Jimena Ospina
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (O.I.); (J.-A.O.); (L.M.-C.); (J.O.); (G.S.); (J.-D.M.)
| | - María-Ángeles Abengozar
- Centro de Investigaciones Biológicas Margarita Salas, CSIC, c/Ramiro de Maeztu, 9, 28040 Madrid, Spain;
| | - Giuseppe Sciortino
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (O.I.); (J.-A.O.); (L.M.-C.); (J.O.); (G.S.); (J.-D.M.)
| | - Jean-Didier Maréchal
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (O.I.); (J.-A.O.); (L.M.-C.); (J.O.); (G.S.); (J.-D.M.)
| | - Carme Nogués
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain;
| | - Míriam Royo
- Institut de Química Avançada de Catalunya (IQAC-CSIC), c/Jordi Girona, 18–26, 08034 Barcelona, Spain;
- Centro de Investigación Biomédica en Red Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), c/Jordi Girona, 18–26, 08034 Barcelona, Spain
| | - Luis Rivas
- Centro de Investigaciones Biológicas Margarita Salas, CSIC, c/Ramiro de Maeztu, 9, 28040 Madrid, Spain;
| | - Rosa M. Ortuño
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; (O.I.); (J.-A.O.); (L.M.-C.); (J.O.); (G.S.); (J.-D.M.)
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7
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Casadó-Anguera V, Cortés A, Casadó V, Moreno E. Targeting the receptor-based interactome of the dopamine D1 receptor: looking for heteromer-selective drugs. Expert Opin Drug Discov 2019; 14:1297-1312. [DOI: 10.1080/17460441.2019.1664469] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Verònica Casadó-Anguera
- Laboratory of Molecular Neurobiology, Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, (IBUB), Barcelona, Spain
- Institute of Biomedicine of the University of Barcelona (IBUB), Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain
| | - Antoni Cortés
- Laboratory of Molecular Neurobiology, Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, (IBUB), Barcelona, Spain
- Institute of Biomedicine of the University of Barcelona (IBUB), Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain
| | - Vicent Casadó
- Laboratory of Molecular Neurobiology, Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, (IBUB), Barcelona, Spain
- Institute of Biomedicine of the University of Barcelona (IBUB), Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain
| | - Estefanía Moreno
- Laboratory of Molecular Neurobiology, Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, (IBUB), Barcelona, Spain
- Institute of Biomedicine of the University of Barcelona (IBUB), Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain
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Abstract
Highly efficient drug-delivery tools for membrane-impermeable compounds, proteins, and nucleic acids in living cells are useful in the fields of chemical biology and drug discovery, and such tools have been widely studied. One strategy in the development of novel drug-delivery tools is to utilize cell-penetrating peptide (CPP) foldamers. CPP foldamers are folded oligopeptides that possess cell membrane permeability. In recent decades, a wide variety of CPP foldamers have been reported by many groups. Herein, CPP foldamers are introduced and discussed from the viewpoints of component monomers (amino acids) and their application as drug-delivery tools.
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Affiliation(s)
- Makoto Oba
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
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9
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Shin YH, Gellman SH. Impact of Backbone Pattern and Residue Substitution on Helicity in α/β/γ-Peptides. J Am Chem Soc 2018; 140:1394-1400. [PMID: 29350033 DOI: 10.1021/jacs.7b10868] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We have evaluated the impact of changes in the chemical structure of peptidic oligomers containing α-, β-, and γ-amino acid residues (α/β/γ-peptides) on the propensities of these oligomers to adopt helical conformations in aqueous and alcoholic solutions. These studies were inspired by our previous discovery that α/β/γ-peptides containing a regular αγααβα hexad repeat adopt an α-helix-like conformation in which the β and γ residues are aligned in a stripe along one side, and the remainder of the helix surface is defined by the α residues. This helix was found to be most stable when the β and γ residues were rigidified with specific cyclic constraints. Relaxation of the β residue constraints caused profound conformational destabilization, but relaxation of the γ residue constraints led to only a moderate drop in helicity. The new work more broadly characterizes the effect of γ residue substitution on helix stability, based on circular dichroism and two-dimensional NMR measurements. We find that even a fully unsubstituted γ residue (derived from γ-aminobutyric acid) supports a moderate helical propensity, which is surprising in light of the strong destabilizing effect of glycine residues on α-helix stability. Additional studies examine the effects of altering sequence in terms of amino acid type, by comparing a prototype with the αγααβα hexad pattern to isomers with irregular arrangements of the α, β, and γ residues along the backbone. The data indicate that the strong helix-forming propensity previously discovered for α/β/γ-peptide 12-mers is retained when sequence is varied, with small variations detected across diverse α-β-γ placements. These structural findings suggest that α/β/γ-peptide scaffolds represent versatile scaffolds for the design of peptidic foldamers that display specific functions.
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Affiliation(s)
- Young-Hee Shin
- Department of Chemistry, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States
| | - Samuel H Gellman
- Department of Chemistry, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States
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10
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Wan Y, Auberger N, Thétiot-Laurent S, Bouillère F, Zulauf A, He J, Courtiol-Legourd S, Guillot R, Kouklovsky C, Cote des Combes S, Pacaud C, Devillers I, Alezra V. Constrained Cyclic β,γ-Diamino Acids from Glutamic Acid: Synthesis of Both Diastereomers and Unexpected Kinetic Resolution. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701477] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Yang Wan
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Nicolas Auberger
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Sophie Thétiot-Laurent
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Francelin Bouillère
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Anaïs Zulauf
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Jiefang He
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Stéphanie Courtiol-Legourd
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Régis Guillot
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Cyrille Kouklovsky
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
| | - Sylvain Cote des Combes
- Sanofi Recherche et Développement; 1 avenue Pierre Brossolette 91385 Chilly Mazarin CEDEX France
| | - Christophe Pacaud
- Sanofi Recherche et Développement; 1 avenue Pierre Brossolette 91385 Chilly Mazarin CEDEX France
| | - Ingrid Devillers
- Sanofi Recherche et Développement; 1 avenue Pierre Brossolette 91385 Chilly Mazarin CEDEX France
| | - Valérie Alezra
- Laboratoire de Méthodologie, Synthèse et Molécules Thérapeutiques; ICMMO; UMR 8182, CNRS, Univ. Paris-Sud; Université Paris-Saclay; Faculté des Sciences d'Orsay; Bât 410 91405 Orsay France
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11
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Cell-Penetrating Peptides: Design Strategies beyond Primary Structure and Amphipathicity. Molecules 2017; 22:molecules22111929. [PMID: 29117144 PMCID: PMC6150340 DOI: 10.3390/molecules22111929] [Citation(s) in RCA: 194] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 10/31/2017] [Accepted: 11/04/2017] [Indexed: 12/21/2022] Open
Abstract
Efficient intracellular drug delivery and target specificity are often hampered by the presence of biological barriers. Thus, compounds that efficiently cross cell membranes are the key to improving the therapeutic value and on-target specificity of non-permeable drugs. The discovery of cell-penetrating peptides (CPPs) and the early design approaches through mimicking the natural penetration domains used by viruses have led to greater efficiency of intracellular delivery. Following these nature-inspired examples, a number of rationally designed CPPs has been developed. In this review, a variety of CPP designs will be described, including linear and flexible, positively charged and often amphipathic CPPs, and more rigid versions comprising cyclic, stapled, or dimeric and/or multivalent, self-assembled peptides or peptido-mimetics. The application of distinct design strategies to known physico-chemical properties of CPPs offers the opportunity to improve their penetration efficiency and/or internalization kinetics. This led to increased design complexity of new CPPs that does not always result in greater CPP activity. Therefore, the transition of CPPs to a clinical setting remains a challenge also due to the concomitant involvement of various internalization routes and heterogeneity of cells used in the in vitro studies.
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12
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Illa O, Olivares JA, Nolis P, Ortuño RM. The relevance of the relative configuration in the folding of hybrid peptides containing β-cyclobutane amino acids and γ-amino- l -proline residues. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.09.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Sánchez-Navarro M, Teixidó M, Giralt E. Jumping Hurdles: Peptides Able To Overcome Biological Barriers. Acc Chem Res 2017; 50:1847-1854. [PMID: 28715199 DOI: 10.1021/acs.accounts.7b00204] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The cell membrane, the gastrointestinal tract, and the blood-brain barrier (BBB) are good examples of biological barriers that define and protect cells and organs. They impose different levels of restriction, but they also share common features. For instance, they all display a high lipophilic character. For this reason, hydrophilic compounds, like peptides, proteins, or nucleic acids have long been considered as unable to bypass them. However, the discovery of cell-penetrating peptides (CPPs) opened a vast field of research. Nowadays, CPPs, homing peptides, and blood-brain barrier peptide shuttles (BBB-shuttles) are good examples of peptides able to target and to cross various biological barriers. CPPs are a group of peptides able to interact with the plasma membrane and enter the cell. They display some common characteristics like positively charged residues, mainly arginines, and amphipathicity. In this field, our group has been focused on the development of proline rich CPPs and in the analysis of the importance of secondary amphipathicity in the internalization process. Proline has a privileged structure being the only amino acid with a secondary amine and a cyclic side chain. These features constrain its structure and hamper the formation of H-bonds. Taking advantage of this privileged structure, three different families of proline-rich peptides have been developed, namely, a proline-rich dendrimer, the sweet arrow peptide (SAP), and a group of foldamers based on γ-peptides. The structure and the mechanism of internalization of all of them has been evaluated and analyzed. BBB-shuttles are peptides able to cross the BBB and to carry with them compounds that cannot reach the brain parenchyma unaided. These peptides take advantage of the natural transport mechanisms present at the BBB, which are divided in active and passive transport mechanisms. On the one hand, we have developed BBB-shuttles that cross the BBB by a passive transport mechanism, like diketoperazines (DKPs), (N-MePhe)n, or (PhPro)n. On the other hand, we have investigated BBB-shuttles that utilize active transport mechanisms such as SGV, THRre, or MiniAp-4. For the development of both groups, we have explored several approaches, such as the use of peptide libraries, both chemical and phage display, or hit-to-lead optimization processes. In this Account, we describe, in chronologic order, our contribution to the development of peptides able to overcome various biological barriers and our efforts to understand the mechanisms that they display. In addition, the potential use of both CPPs and BBB-shuttles to improve the transport of promising therapeutic compounds is described.
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Affiliation(s)
- Macarena Sánchez-Navarro
- Institute
for Research in Biomedicine, Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain
| | - Meritxell Teixidó
- Institute
for Research in Biomedicine, Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain
| | - Ernest Giralt
- Institute
for Research in Biomedicine, Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain
- Department
of Organic Chemistry, University of Barcelona, 08028 Barcelona, Spain
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14
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Awada H, Grison CM, Charnay-Pouget F, Baltaze JP, Brisset F, Guillot R, Robin S, Hachem A, Jaber N, Naoufal D, Yazbeck O, Aitken DJ. Conformational Effects through Hydrogen Bonding in a Constrained γ-Peptide Template: From Intraresidue Seven-Membered Rings to a Gel-Forming Sheet Structure. J Org Chem 2017; 82:4819-4828. [PMID: 28398045 DOI: 10.1021/acs.joc.7b00494] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A series of three short oligomers (di-, tri-, and tetramers) of cis-2-(aminomethyl)cyclobutane carboxylic acid, a γ-amino acid featuring a cyclobutane ring constraint, were prepared, and their conformational behavior was examined spectroscopically and by molecular modeling. In dilute solutions, these peptides showed a number of low-energy conformers, including ribbonlike structures pleated around a rarely observed series of intramolecular seven-membered hydrogen bonds. In more concentrated solutions, these interactions defer to an organized supramolecular assembly, leading to thermoreversible organogel formation notably for the tripeptide, which produced fibrillar xerogels. In the solid state, the dipeptide adopted a fully extended conformation featuring a one-dimensional network of intermolecularly H-bonded molecules stacked in an antiparallel sheet alignment. This work provides unique insight into the interplay between inter- and intramolecular H-bonded conformer topologies for the same peptide template.
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Affiliation(s)
- Hawraà Awada
- CP3A Organic Synthesis Group and Services Communs, ICMMO, UMR 8182, CNRS, Université Paris Sud, Université Paris Saclay , Bât. 420, 15 rue Georges Clemenceau, 91405 Orsay cedex, France.,Inorganic and Organometallic Coordination Chemistry Laboratory and Laboratory for Medicinal Chemistry and Natural Products, Faculty of Sciences (I) & PRASE-EDST, Lebanese University , Hadath, Lebanon
| | - Claire M Grison
- CP3A Organic Synthesis Group and Services Communs, ICMMO, UMR 8182, CNRS, Université Paris Sud, Université Paris Saclay , Bât. 420, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - Florence Charnay-Pouget
- CP3A Organic Synthesis Group and Services Communs, ICMMO, UMR 8182, CNRS, Université Paris Sud, Université Paris Saclay , Bât. 420, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - Jean-Pierre Baltaze
- CP3A Organic Synthesis Group and Services Communs, ICMMO, UMR 8182, CNRS, Université Paris Sud, Université Paris Saclay , Bât. 420, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - François Brisset
- CP3A Organic Synthesis Group and Services Communs, ICMMO, UMR 8182, CNRS, Université Paris Sud, Université Paris Saclay , Bât. 420, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - Régis Guillot
- CP3A Organic Synthesis Group and Services Communs, ICMMO, UMR 8182, CNRS, Université Paris Sud, Université Paris Saclay , Bât. 420, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
| | - Sylvie Robin
- CP3A Organic Synthesis Group and Services Communs, ICMMO, UMR 8182, CNRS, Université Paris Sud, Université Paris Saclay , Bât. 420, 15 rue Georges Clemenceau, 91405 Orsay cedex, France.,UFR Sciences Pharmaceutiques et Biologiques, Université Paris Descartes , 4 avenue de l'Observatoire, 75270 Paris cedex 06, France
| | - Ali Hachem
- Inorganic and Organometallic Coordination Chemistry Laboratory and Laboratory for Medicinal Chemistry and Natural Products, Faculty of Sciences (I) & PRASE-EDST, Lebanese University , Hadath, Lebanon
| | - Nada Jaber
- Inorganic and Organometallic Coordination Chemistry Laboratory and Laboratory for Medicinal Chemistry and Natural Products, Faculty of Sciences (I) & PRASE-EDST, Lebanese University , Hadath, Lebanon
| | - Daoud Naoufal
- Inorganic and Organometallic Coordination Chemistry Laboratory and Laboratory for Medicinal Chemistry and Natural Products, Faculty of Sciences (I) & PRASE-EDST, Lebanese University , Hadath, Lebanon
| | - Ogaritte Yazbeck
- Inorganic and Organometallic Coordination Chemistry Laboratory and Laboratory for Medicinal Chemistry and Natural Products, Faculty of Sciences (I) & PRASE-EDST, Lebanese University , Hadath, Lebanon
| | - David J Aitken
- CP3A Organic Synthesis Group and Services Communs, ICMMO, UMR 8182, CNRS, Université Paris Sud, Université Paris Saclay , Bât. 420, 15 rue Georges Clemenceau, 91405 Orsay cedex, France
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15
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Fernandes RA, Kattanguru P, Gholap SP, Chaudhari DA. Recent advances in the Overman rearrangement: synthesis of natural products and valuable compounds. Org Biomol Chem 2017; 15:2672-2710. [DOI: 10.1039/c6ob02625g] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This review documents the reports since 2005 on the Overman rearrangement, an important C–N bond forming reaction that has been profoundly used in the synthesis of natural products, synthetic intermediates, building blocks and valuable compounds.
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Affiliation(s)
- Rodney A. Fernandes
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400076
- India
| | - Pullaiah Kattanguru
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400076
- India
| | - Sachin P. Gholap
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400076
- India
| | - Dipali A. Chaudhari
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400076
- India
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16
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Shankar S, Wani NA, Singh UP, Rai R. Incipient Twisted Ribbon Structure Stabilized by C12Helical Turns in γ4/α Hybrid Peptide. ChemistrySelect 2016. [DOI: 10.1002/slct.201600793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Sudha Shankar
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu Tawi- 180001 India
- Academy of Scientific and Innovative Research; New Delhi India
| | - Naiem Ahmad Wani
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu Tawi- 180001 India
| | - Umesh Prasad Singh
- CSIR-Indian Institute of Chemical Biology; 4, Raja, S.C. Mullick Road Kolkata- 700032 India
| | - Rajkishor Rai
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu Tawi- 180001 India
- Academy of Scientific and Innovative Research; New Delhi India
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17
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Kudo M, Carbajo López D, Maurizot V, Masu H, Tanatani A, Huc I. Synthesis and Conformational Analysis of Quinoline-Oxazole Peptides. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600229] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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18
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Wani NA, Kant R, Gupta VK, Aravinda S, Rai R. Ribbon structure stabilized by C10
and C12
turns in αγ
hybrid peptide. J Pept Sci 2016; 22:208-13. [DOI: 10.1002/psc.2864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 01/23/2016] [Accepted: 01/25/2016] [Indexed: 01/03/2023]
Affiliation(s)
- Naiem Ahmad Wani
- Medicinal Chemistry Division; Indian Institute of Integrative Medicine; Canal Road Jammu Tawi 180001 India
| | - Rajni Kant
- X-ray Crystallography Laboratory, Post-Graduate Department of Physics and Electronics; University of Jammu; Jammu Tawi 180 006 India
| | - Vivek Kumar Gupta
- X-ray Crystallography Laboratory, Post-Graduate Department of Physics and Electronics; University of Jammu; Jammu Tawi 180 006 India
| | - Subrayashastry Aravinda
- Medicinal Chemistry Division; Indian Institute of Integrative Medicine; Canal Road Jammu Tawi 180001 India
| | - Rajkishor Rai
- Medicinal Chemistry Division; Indian Institute of Integrative Medicine; Canal Road Jammu Tawi 180001 India
- Academy of Scientific and Innovative Research; New Delhi India
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19
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Konda M, Kauffmann B, Rasale DB, Das AK. Structural and morphological diversity of self-assembled synthetic γ-amino acid containing peptides. Org Biomol Chem 2016; 14:4089-102. [DOI: 10.1039/c6ob00380j] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
We report the synthesis of constrained amino acid building block gabapentin (Gpn) based hybrid peptides and their structural and morphological diversity in different conditions.
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Affiliation(s)
- Maruthi Konda
- Department of Chemistry
- Indian Institute of Technology Indore
- Indore 452020
- India
| | - Brice Kauffmann
- Université de Bordeaux
- UMS3033
- Institut Européen de Chimie et Biologie (IECB)
- 33600 Pessac
- France
| | | | - Apurba K. Das
- Department of Chemistry
- Indian Institute of Technology Indore
- Indore 452020
- India
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20
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Ingole TS, Kotmale AS, Gawade RL, Gonnade RG, Rajamohanan PR, Sanjayan GJ. 3-Aminothiophenecarboxylic acid (3-Atc)-induced folding in peptides. NEW J CHEM 2016. [DOI: 10.1039/c6nj01667g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This article demonstrates the consequences of incorporating a constrained β-amino acid into a peptide chain and its effect on conformation of oligomers.
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Affiliation(s)
- Tukaram S. Ingole
- Division of Organic Chemistry
- National Chemical Laboratory
- Pune 411 008
- India
| | - Amol S. Kotmale
- Central NMR Facility
- National Chemical Laboratory
- Pune 411 008
- India
| | - Rupesh L. Gawade
- Center for Materials Characterization
- National Chemical Laboratory
- Pune
- India
| | - Rajesh G. Gonnade
- Center for Materials Characterization
- National Chemical Laboratory
- Pune
- India
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21
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Giralt E. Josef Rudinger Memorial Lecture: Use of peptides to modulate protein-protein interactions. J Pept Sci 2015; 21:447-53. [PMID: 25847600 DOI: 10.1002/psc.2768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 02/04/2015] [Accepted: 02/09/2015] [Indexed: 11/06/2022]
Abstract
Peptides are destined to play a major role as therapeutic agents. My laboratory is contributing to speeding up this process. On the one hand, we devote efforts to studying the molecular details and dynamics of the events that occur during molecular recognition at protein surfaces. We succeeded to design and synthesize peptides able to modulate these recognition events either permanently or in response to light. On the other hand, we are discovering and designing peptides able to cross biological barriers. Our aim is to use these peptides as shuttles for targeting therapeutic agents to organs, tissues, or cells, with a special emphasis on drug delivery to the brain.
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Affiliation(s)
- Ernest Giralt
- Institute for Research in Biomedicine (IRB Barcelona), Baldiri Reixac 10, 08028, Barcelona, Spain.,Department of Organic Chemistry, University of Barcelona, Marti Franqués 1, 08028, Barcelona, Spain
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22
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Comegna D, de Paola I, Saviano M, Del Gatto A, Zaccaro L. Straightforward Entry to S-Glycosylated Fmoc-Amino Acids and Their Application to Solid Phase Synthesis of Glycopeptides and Glycopeptidomimetics. Org Lett 2015; 17:640-3. [DOI: 10.1021/ol503664t] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Daniela Comegna
- Institute
of Biostructures and Bioimaging, National Research Council, Napoli, Italy
| | - Ivan de Paola
- Institute
of Biostructures and Bioimaging, National Research Council, Napoli, Italy
| | - Michele Saviano
- Institute
of Crystallography, National Research Council, Bari, Italy
| | - Annarita Del Gatto
- Institute
of Biostructures and Bioimaging, National Research Council, Napoli, Italy
| | - Laura Zaccaro
- Institute
of Biostructures and Bioimaging, National Research Council, Napoli, Italy
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23
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Grison CM, Robin S, Aitken DJ. The discovery of 9/8-ribbons, β/γ-peptides with curved shapes governed by a combined configuration-conformation code. Chem Commun (Camb) 2015; 51:16233-6. [DOI: 10.1039/c5cc07136d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The design of a β/γ-peptide reveals an unprecedented 9/8-ribbon whose curvature depends on the β-residue configuration and the γ-residue conformation.
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Affiliation(s)
- Claire M. Grison
- CP3A Organic Synthesis Group
- ICMMO-UMR 8182
- Université Paris-Sud
- Université Paris-Saclay
- 91405 Orsay cedex
| | - Sylvie Robin
- CP3A Organic Synthesis Group
- ICMMO-UMR 8182
- Université Paris-Sud
- Université Paris-Saclay
- 91405 Orsay cedex
| | - David J. Aitken
- CP3A Organic Synthesis Group
- ICMMO-UMR 8182
- Université Paris-Sud
- Université Paris-Saclay
- 91405 Orsay cedex
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24
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Stanovych A, Guillot R, Kouklovsky C, Miclet E, Alezra V. β,γ-Diamino acid: an original building block for hybrid α/γ-peptide synthesis with extra hydrogen bond donating group. Amino Acids 2014; 46:2753-7. [DOI: 10.1007/s00726-014-1831-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Accepted: 08/21/2014] [Indexed: 01/01/2023]
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25
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Fremaux J, Kauffmann B, Guichard G. Synthesis and Folding Propensity of Aliphatic Oligoureas Containing Repeats of Proline-Type Units. J Org Chem 2014; 79:5494-502. [DOI: 10.1021/jo5006075] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Juliette Fremaux
- Université de Bordeaux, CNRS, IPB, UMR 5248, CBMN, Institut Européen de Chimie et de Biologie, 2 rue Robert Escarpit, 33607 Pessac, France
| | - Brice Kauffmann
- Université de Bordeaux, CNRS, UMS 3033, INSERM US001, Institut Européen de Chimie et de Biologie, 2 rue Robert Escarpit, 33607 Pessac, France
| | - Gilles Guichard
- Université de Bordeaux, CNRS, IPB, UMR 5248, CBMN, Institut Européen de Chimie et de Biologie, 2 rue Robert Escarpit, 33607 Pessac, France
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26
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Friestad GK. Control of asymmetry in the radical addition approach to chiral amine synthesis. Top Curr Chem (Cham) 2014; 343:1-32. [PMID: 24085561 PMCID: PMC4114248 DOI: 10.1007/128_2013_481] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The state-of-the-science in asymmetric free radical additions to imino compounds is presented, beginning with an overview of methods involving stereocontrol by various chiral auxiliary approaches. Chiral N-acylhydrazones are discussed with respect to their use as radical acceptors for Mn-mediated intermolecular additions, from design to scope surveys to applications to biologically active targets. A variety of aldehydes and ketones serve as viable precursors for the chiral hydrazones, and a variety of alkyl iodides may be employed as radical precursors, as discussed in a critical review of the functional group compatibility of the reaction. Applications to amino acid and alkaloid synthesis are presented to illustrate the synthetic potential of these versatile stereocontrolled carbon-carbon bond construction reactions. Asymmetric catalysis is discussed, from seminal work on the stereocontrol of radical addition to imino compounds by non-covalent interactions with stoichiometric amounts of catalysts, to more recent examples demonstrating catalyst turnover.
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27
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Wang JL, Xu JS, Wang DY, Wang H, Li ZT, Zhang DW. Anti-parallel sheet structures of side-chain-free γ-, δ-, and ε-dipeptides stabilized by benzene–pentafluorobenzene stacking. CrystEngComm 2014. [DOI: 10.1039/c3ce42060d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Benzene–pentafluorobenzene stacking can guide ω-amino acid dipeptides to arrange in an anti-parallel manner.
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Affiliation(s)
- Ji-Liang Wang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Jia-Su Xu
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Dong-Yun Wang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Hui Wang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Zhan-Ting Li
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
| | - Dan-Wei Zhang
- Department of Chemistry
- Fudan University
- Shanghai 200433, China
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28
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Nelli YR, Fischer L, Collie GW, Kauffmann B, Guichard G. Structural characterization of short hybrid urea/carbamate (U/C) foldamers: A case of partial helix unwinding. Biopolymers 2013; 100:687-97. [DOI: 10.1002/bip.22302] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Revised: 05/21/2013] [Accepted: 05/28/2013] [Indexed: 12/31/2022]
Affiliation(s)
- Yella Reddy Nelli
- Université de Bordeaux, CNRS UMR 5248; CBMN, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
| | - Lucile Fischer
- Université de Bordeaux, CNRS UMR 5248; CBMN, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
| | - Gavin W. Collie
- Université de Bordeaux, CNRS UMR 5248; CBMN, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
| | - Brice Kauffmann
- Université de Bordeaux, CNRS UMS 3033; INSERM US001, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
| | - Gilles Guichard
- Université de Bordeaux, CNRS UMR 5248; CBMN, Institut Européen de Chimie et Biologie; 2 rue Robert Escarpit 33607 Pessac France
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29
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Shin YH, Mortenson DE, Satyshur KA, Forest KT, Gellman SH. Differential impact of β and γ residue preorganization on α/β/γ-peptide helix stability in water. J Am Chem Soc 2013; 135:8149-52. [PMID: 23701135 PMCID: PMC3815483 DOI: 10.1021/ja403319q] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Cyclic constraints have proven to be very effective for preorganizing β-amino acid residues and thereby stabilizing β- and α/β-peptide helices, but little is known about possible preorganization effects among γ residues. Here we assess and compare the impact of cyclic preorganization of β and γ residues in the context of a specific α/β/γ-peptide helix. The results show that β residue preorganization is critical for helix stability but that γ residue preorganization is less important.
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Affiliation(s)
- Young-Hee Shin
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - David E. Mortenson
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Kenneth A. Satyshur
- Department of Bacteriology and Biophysics, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Katrina T. Forest
- Department of Bacteriology and Biophysics, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Samuel H. Gellman
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, United States
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30
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Mathieu L, Legrand B, Deng C, Vezenkov L, Wenger E, Didierjean C, Amblard M, Averlant-Petit MC, Masurier N, Lisowski V, Martinez J, Maillard LT. Helical oligomers of thiazole-based γ-amino acids: synthesis and structural studies. Angew Chem Int Ed Engl 2013; 52:6006-10. [PMID: 23619818 DOI: 10.1002/anie.201302106] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Indexed: 12/12/2022]
Abstract
9-Helix: 4-Amino(methyl)-1,3-thiazole-5-carboxylic acids (ATCs) were synthesized as new γ-amino acid building blocks. The structures of various ATC oligomers were analyzed in solution by CD and NMR spectroscopy and in the solid state by X-ray crystallography. The ATC sequences adopted a well-defined 9-helix structure in the solid state and in aprotic and protic organic solvents as well as in aqueous solution.
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Affiliation(s)
- Loïc Mathieu
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, Universités Montpellier I et II, UFR des Sciences Pharmaceutiques et Biologiques, 15 Avenue Charles Flahault, 34093 Montpellier Cedex 5, France
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31
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Mathieu L, Legrand B, Deng C, Vezenkov L, Wenger E, Didierjean C, Amblard M, Averlant-Petit MC, Masurier N, Lisowski V, Martinez J, Maillard LT. Helical Oligomers of Thiazole-Based γ-Amino Acids: Synthesis and Structural Studies. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302106] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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32
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Pandey AK, Naduthambi D, Thomas KM, Zondlo NJ. Proline editing: a general and practical approach to the synthesis of functionally and structurally diverse peptides. Analysis of steric versus stereoelectronic effects of 4-substituted prolines on conformation within peptides. J Am Chem Soc 2013; 135:4333-63. [PMID: 23402492 PMCID: PMC4209921 DOI: 10.1021/ja3109664] [Citation(s) in RCA: 138] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Functionalized proline residues have diverse applications. Herein we describe a practical approach, proline editing, for the synthesis of peptides with stereospecifically modified proline residues. Peptides are synthesized by standard solid-phase peptide synthesis to incorporate Fmoc-hydroxyproline (4R-Hyp). In an automated manner, the Hyp hydroxyl is protected and the remainder of the peptide synthesized. After peptide synthesis, the Hyp protecting group is orthogonally removed and Hyp selectively modified to generate substituted proline amino acids, with the peptide main chain functioning to "protect" the proline amino and carboxyl groups. In a model tetrapeptide (Ac-TYPN-NH2), 4R-Hyp was stereospecifically converted to 122 different 4-substituted prolyl amino acids, with 4R or 4S stereochemistry, via Mitsunobu, oxidation, reduction, acylation, and substitution reactions. 4-Substituted prolines synthesized via proline editing include incorporated structured amino acid mimetics (Cys, Asp/Glu, Phe, Lys, Arg, pSer/pThr), recognition motifs (biotin, RGD), electron-withdrawing groups to induce stereoelectronic effects (fluoro, nitrobenzoate), handles for heteronuclear NMR ((19)F:fluoro; pentafluorophenyl or perfluoro-tert-butyl ether; 4,4-difluoro; (77)SePh) and other spectroscopies (fluorescence, IR: cyanophenyl ether), leaving groups (sulfonate, halide, NHS, bromoacetate), and other reactive handles (amine, thiol, thioester, ketone, hydroxylamine, maleimide, acrylate, azide, alkene, alkyne, aryl halide, tetrazine, 1,2-aminothiol). Proline editing provides access to these proline derivatives with no solution-phase synthesis. All peptides were analyzed by NMR to identify stereoelectronic and steric effects on conformation. Proline derivatives were synthesized to permit bioorthogonal conjugation reactions, including azide-alkyne, tetrazine-trans-cyclooctene, oxime, reductive amination, native chemical ligation, Suzuki, Sonogashira, cross-metathesis, and Diels-Alder reactions. These proline derivatives allowed three parallel bioorthogonal reactions to be conducted in one solution.
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Affiliation(s)
- Anil K. Pandey
- Department of Chemistry and Biochemistry, University of Delaware, Newark DE 19716
| | - Devan Naduthambi
- Department of Chemistry and Biochemistry, University of Delaware, Newark DE 19716
| | - Krista M. Thomas
- Department of Chemistry and Biochemistry, University of Delaware, Newark DE 19716
| | - Neal J. Zondlo
- Department of Chemistry and Biochemistry, University of Delaware, Newark DE 19716
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33
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Rodríguez-Vázquez N, Salzinger S, Silva LF, Amorín M, Granja JR. Synthesis of Cyclic γ-Amino Acids for Foldamers and Peptide Nanotubes. European J Org Chem 2013. [DOI: 10.1002/ejoc.201201565] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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34
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Franconetti A, Jatunov S, Borrachero P, Gómez-Guillén M, Cabrera-Escribano F. Synthesis of cyclically constrained sugar derived α/β- and α/γ-peptides. Org Biomol Chem 2013; 11:676-86. [DOI: 10.1039/c2ob26992a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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35
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Baldauf C, Hofmann HJ. Ab initioMO Theory - An Important Tool in Foldamer Research: Prediction of Helices in Oligomers ofω-Amino Acids. Helv Chim Acta 2012. [DOI: 10.1002/hlca.201200436] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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36
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Reddy LR, Prasad K, Prashad M. A protocol for an asymmetric synthesis of γ-amino acids. J Org Chem 2012; 77:6296-301. [PMID: 22747507 DOI: 10.1021/jo301177f] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new and practical method for the asymmetric synthesis of γ-amino acids from β,γ-butenolides by an in situ esterification, condensation, and reduction in a one-pot procedure is described. This method is quite general for the preparation of both enantiomers of aryl or aliphatic γ-amino acids in high yields. These γ-amino-acid derivatives were also shown to be versatile synthetic intermediates for further transformations by their conversion to γ-lactams, δ-amino alcohols, and hydrolysis products in high yields with no racemization.
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Affiliation(s)
- Leleti Rajender Reddy
- Chemical and Analytical Development, Novartis Pharmaceuticals Corporation, East Hanover, New Jersey 07936, USA.
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37
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Rosés C, Carbajo D, Sanclimens G, Farrera-Sinfreu J, Blancafort A, Oliveras G, Cirac AD, Bardají E, Puig T, Planas M, Feliu L, Albericio F, Royo M. Cell-penetrating γ-peptide/antimicrobial undecapeptide conjugates with anticancer activity. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.02.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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38
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Guo L, Zhang W, Guzei IA, Spencer LC, Gellman SH. Helical secondary structures in 2:1 and 1:2 α/γ-peptide foldamers. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.01.079] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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39
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Guo L, Zhang W, Guzei IA, Spencer LC, Gellman SH. New preorganized γ-amino acids as foldamer building blocks. Org Lett 2012; 14:2582-5. [PMID: 22568480 PMCID: PMC3445736 DOI: 10.1021/ol3008815] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
An asymmetric synthesis of two new diastereomeric γ-amino acids is described. Both molecules contain a cyclohexyl ring to limit conformational flexibility about the Cα-Cβ bond; they differ in having cis vs trans stereochemistry on the ring. Residues derived from the cis γ isomer are shown to support helical secondary structures in α/γ-peptide oligomers.
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Affiliation(s)
- Li Guo
- Department of Chemistry, University of Wisconsin, Madison, WI 53706 USA
| | - Weicheng Zhang
- Department of Chemistry, University of Wisconsin, Madison, WI 53706 USA
| | - Ilia A. Guzei
- Department of Chemistry, University of Wisconsin, Madison, WI 53706 USA
| | - Lara C. Spencer
- Department of Chemistry, University of Wisconsin, Madison, WI 53706 USA
| | - Samuel H. Gellman
- Department of Chemistry, University of Wisconsin, Madison, WI 53706 USA
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40
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Gorrea E, Carbajo D, Gutiérrez-Abad R, Illa O, Branchadell V, Royo M, Ortuño RM. Searching for new cell-penetrating agents: hybrid cyclobutane-proline γ,γ-peptides. Org Biomol Chem 2012; 10:4050-7. [PMID: 22514076 DOI: 10.1039/c2ob25220a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Two generations of hybrid γ,γ-peptides containing cyclobutane amino acids and cis-γ-amino-L-proline joined in alternation have been synthesized and their capacity to cross the eukaryotic cell membrane has been evaluated. The first generation consists of di-, tetra- and hexapeptides, and their properties have been analyzed as well as the influence of peptide length and chirality of the cyclobutane residues. Results have shown that the absolute configuration of the cyclobutane amino acid does not have a relevant influence. The second generation consists of hybrid γ,γ-hexapeptides with a common backbone and distinct side chains introduced with different linkage types through the α-amino group (N(α)) of the proline monomers. These peptides have been shown to be non-toxic towards HeLa cells and to internalize them effectively, the best results being obtained for the peptides with a spacer of five carbons between the N(α) atom and the guanidinium group. The introduction of cyclobutane residues inside the sequence affords a good balance between charge and hydrophobicity, reducing the number of positive charges. This results in lower toxicity and similar cell-uptake properties when compared to previously described peptide agents.
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Affiliation(s)
- Esther Gorrea
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain
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41
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Mori H, Endo T. Amino-Acid-Based Block Copolymers by RAFT Polymerization. Macromol Rapid Commun 2012; 33:1090-107. [DOI: 10.1002/marc.201100887] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2011] [Revised: 02/19/2012] [Indexed: 12/21/2022]
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42
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43
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De Marco R, Tolomelli A, Campitiello M, Rubini P, Gentilucci L. Expedient synthesis of pseudo-Pro-containing peptides: towards constrained peptidomimetics and foldamers. Org Biomol Chem 2012; 10:2307-17. [DOI: 10.1039/c2ob07172j] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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44
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Guerra A, Brea RJ, Amorín M, Castedo L, Granja JR. Self-assembling properties of all γ-cyclic peptides containing sugar amino acid residues. Org Biomol Chem 2012; 10:8762-6. [DOI: 10.1039/c2ob26612a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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45
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Xue ZY, Liu LX, Jiang Y, Yuan WC, Zhang XM. Highly Enantioselective Lewis Base Organocatalyzed Hydrosilylation of γ-Imino Esters. European J Org Chem 2011. [DOI: 10.1002/ejoc.201101268] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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46
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Guo L, Zhang W, Reidenbach AG, Giuliano MW, Guzei IA, Spencer LC, Gellman SH. Characteristic Structural Parameters for the γ-Peptide 14-Helix: Importance of Subunit Preorganization. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201101301] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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47
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Guo L, Zhang W, Reidenbach AG, Giuliano MW, Guzei IA, Spencer LC, Gellman SH. Characteristic structural parameters for the γ-peptide 14-helix: importance of subunit preorganization. Angew Chem Int Ed Engl 2011; 50:5843-6. [PMID: 21567680 DOI: 10.1002/anie.201101301] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2011] [Indexed: 11/09/2022]
Affiliation(s)
- Li Guo
- Department of Chemistry, University of Wisconsin, Madison, Madison, WI 53706, USA
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48
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Gutiérrez-Abad R, Carbajo D, Nolis P, Acosta-Silva C, Cobos JA, Illa O, Royo M, Ortuño RM. Synthesis and structural study of highly constrained hybrid cyclobutane-proline γ,γ-peptides. Amino Acids 2011; 41:673-86. [PMID: 21541681 DOI: 10.1007/s00726-011-0912-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Accepted: 04/02/2011] [Indexed: 11/24/2022]
Abstract
Two diastereomeric series of hybrid γ,γ-peptides derived from conveniently protected derivatives of (1R,2S)- and (1S,2R)-3-amino-2,2-dimethylcyclobutane-1-carboxylic acid and cis-4-amino-L: -proline joined in alternation have efficiently been prepared through convergent synthesis. High-resolution NMR experiments show that these compounds present defined conformations in solution affording very compact structures as the result of intra and inter residue hydrogen-bonded ring formation. (R,S)-cyclobutane containing peptides adopt more twisted conformations than (S,R) diastereomers. In addition, all these γ-peptides have high tendency to aggregation providing vesicles of nanometric size, which were stable when allowed to stand for several days, as verified by transmission electron microscopy.
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Affiliation(s)
- Raquel Gutiérrez-Abad
- Departament de Química, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
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49
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Foldamers containing γ-amino acid residues or their analogues: structural features and applications. Amino Acids 2011; 41:687-707. [DOI: 10.1007/s00726-011-0893-3] [Citation(s) in RCA: 101] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2011] [Accepted: 03/18/2011] [Indexed: 12/21/2022]
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50
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Radical Additions to Chiral Hydrazones: Stereoselectivity and Functional Group Compatibility. Top Curr Chem (Cham) 2011; 320:61-91. [DOI: 10.1007/128_2011_163] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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