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Fanelli R, Chastel A, Previti S, Hindié E, Vimont D, Zanotti-Fregonara P, Fernandez P, Garrigue P, Lamare F, Schollhammer R, Balasse L, Guillet B, Rémond E, Morgat C, Cavelier F. Silicon-Containing Neurotensin Analogues as Radiopharmaceuticals for NTS1-Positive Tumors Imaging. Bioconjug Chem 2020; 31:2339-2349. [DOI: 10.1021/acs.bioconjchem.0c00419] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Roberto Fanelli
- Institut des Biomolécules Max Mousseron, IBMM, UMR-5247, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, Montpellier 34095 Cedex 5, France
| | - Adrien Chastel
- University of Bordeaux, CNRS, EPHE, INCIA, UMR 5287, Bordeaux F-33000, France
- Nuclear Medicine Department, University Hospital of Bordeaux, Bordeaux F-33000, France
| | - Santo Previti
- Institut des Biomolécules Max Mousseron, IBMM, UMR-5247, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, Montpellier 34095 Cedex 5, France
| | - Elif Hindié
- University of Bordeaux, CNRS, EPHE, INCIA, UMR 5287, Bordeaux F-33000, France
- Nuclear Medicine Department, University Hospital of Bordeaux, Bordeaux F-33000, France
| | - Delphine Vimont
- University of Bordeaux, CNRS, EPHE, INCIA, UMR 5287, Bordeaux F-33000, France
| | | | - Philippe Fernandez
- University of Bordeaux, CNRS, EPHE, INCIA, UMR 5287, Bordeaux F-33000, France
- Nuclear Medicine Department, University Hospital of Bordeaux, Bordeaux F-33000, France
| | - Philippe Garrigue
- Aix-Marseille University, INSERM, Institut National de la Recherche Agronomique, Centre de Recherche en Cardiovasculaire et Nutrition, Marseille 13385, France
- Aix-Marseille University, Centre Européen de Recherche en Imagerie Médicale, Marseille 13005, France
| | - Frédéric Lamare
- University of Bordeaux, CNRS, EPHE, INCIA, UMR 5287, Bordeaux F-33000, France
- Nuclear Medicine Department, University Hospital of Bordeaux, Bordeaux F-33000, France
| | - Romain Schollhammer
- University of Bordeaux, CNRS, EPHE, INCIA, UMR 5287, Bordeaux F-33000, France
- Nuclear Medicine Department, University Hospital of Bordeaux, Bordeaux F-33000, France
| | - Laure Balasse
- Aix-Marseille University, INSERM, Institut National de la Recherche Agronomique, Centre de Recherche en Cardiovasculaire et Nutrition, Marseille 13385, France
| | - Benjamin Guillet
- Aix-Marseille University, INSERM, Institut National de la Recherche Agronomique, Centre de Recherche en Cardiovasculaire et Nutrition, Marseille 13385, France
- Aix-Marseille University, Centre Européen de Recherche en Imagerie Médicale, Marseille 13005, France
| | - Emmanuelle Rémond
- Institut des Biomolécules Max Mousseron, IBMM, UMR-5247, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, Montpellier 34095 Cedex 5, France
| | - Clément Morgat
- University of Bordeaux, CNRS, EPHE, INCIA, UMR 5287, Bordeaux F-33000, France
- Nuclear Medicine Department, University Hospital of Bordeaux, Bordeaux F-33000, France
| | - Florine Cavelier
- Institut des Biomolécules Max Mousseron, IBMM, UMR-5247, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, Montpellier 34095 Cedex 5, France
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2
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Tétreault P, Besserer-Offroy É, Brouillette RL, René A, Murza A, Fanelli R, Kirby K, Parent AJ, Dubuc I, Beaudet N, Côté J, Longpré JM, Martinez J, Cavelier F, Sarret P. Pain relief devoid of opioid side effects following central action of a silylated neurotensin analog. Eur J Pharmacol 2020; 882:173174. [DOI: 10.1016/j.ejphar.2020.173174] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 04/28/2020] [Accepted: 05/04/2020] [Indexed: 12/14/2022]
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3
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Misra R, George G, Reja RM, Dey S, Raghothama S, Gopi HN. Structural insight into hybrid peptide ε-helices. Chem Commun (Camb) 2020; 56:2171-2173. [PMID: 31970340 DOI: 10.1039/c9cc07413a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unique ε-helical organizations (11-helices) from β,γ-hybrid peptides composed of chiral β3-amino acids along with achiral 3,3- or 4,4-dimethyl substituted γ-amino acids are disclosed.
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Affiliation(s)
- Rajkumar Misra
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411021, India.
| | - Gijo George
- NMR Research Center, Indian Institute of Science, Bangalore-560012, India.
| | - Rahi M Reja
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411021, India.
| | - Sanjit Dey
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411021, India.
| | | | - Hosahudya N Gopi
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411021, India.
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4
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Kubyshkin V, Budisa N. The Alanine World Model for the Development of the Amino Acid Repertoire in Protein Biosynthesis. Int J Mol Sci 2019; 20:ijms20215507. [PMID: 31694194 PMCID: PMC6862034 DOI: 10.3390/ijms20215507] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/01/2019] [Accepted: 11/03/2019] [Indexed: 12/13/2022] Open
Abstract
A central question in the evolution of the modern translation machinery is the origin and chemical ethology of the amino acids prescribed by the genetic code. The RNA World hypothesis postulates that templated protein synthesis has emerged in the transition from RNA to the Protein World. The sequence of these events and principles behind the acquisition of amino acids to this process remain elusive. Here we describe a model for this process by following the scheme previously proposed by Hartman and Smith, which suggests gradual expansion of the coding space as GC–GCA–GCAU genetic code. We point out a correlation of this scheme with the hierarchy of the protein folding. The model follows the sequence of steps in the process of the amino acid recruitment and fits well with the co-evolution and coenzyme handle theories. While the starting set (GC-phase) was responsible for the nucleotide biosynthesis processes, in the second phase alanine-based amino acids (GCA-phase) were recruited from the core metabolism, thereby providing a standard secondary structure, the α-helix. In the final phase (GCAU-phase), the amino acids were appended to the already existing architecture, enabling tertiary fold and membrane interactions. The whole scheme indicates strongly that the choice for the alanine core was done at the GCA-phase, while glycine and proline remained rudiments from the GC-phase. We suggest that the Protein World should rather be considered the Alanine World, as it predominantly relies on the alanine as the core chemical scaffold.
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Affiliation(s)
- Vladimir Kubyshkin
- Department of Chemistry, University of Manitoba, Dysart Rd. 144, Winnipeg, MB R3T 2N2, Canada
- Correspondence: (V.K.); or (N.B.); Tel.: +1-204-474-9321 or +49-30-314-28821 (N.B.)
| | - Nediljko Budisa
- Department of Chemistry, University of Manitoba, Dysart Rd. 144, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry, Technical University of Berlin, Müller-Breslau-Str. 10, 10623 Berlin, Germany
- Correspondence: (V.K.); or (N.B.); Tel.: +1-204-474-9321 or +49-30-314-28821 (N.B.)
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5
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Oliva F, Bucci R, Tamborini L, Pieraccini S, Pinto A, Pellegrino S. Bicyclic Pyrrolidine-Isoxazoline γ Amino Acid: A Constrained Scaffold for Stabilizing α-Turn Conformation in Isolated Peptides. Front Chem 2019; 7:133. [PMID: 30937302 PMCID: PMC6431668 DOI: 10.3389/fchem.2019.00133] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/20/2019] [Indexed: 12/22/2022] Open
Abstract
Unnatural amino acids have tremendously expanded the folding possibilities of peptides and peptide mimics. While α,α-disubstituted and β-amino acids are widely studied, γ-derivatives have been less exploited. Here we report the conformational study on the bicyclic unnatural γ amino acid, 4,5,6,6a-tetrahydro-3aH-pyrrolo[3,4-d]isoxazole-3-carboxylic acid 1. In model peptides, the (+)-(3aR6aS)-enantiomer is able to stabilize α-turn conformation when associated to glycine, as showed by 1H-NMR, FT-IR, and circular dichroism experiments, and molecular modeling studies. α-turn is a structural motif occurring in many biologically active protein sites, although its stabilization on isolated peptides is quite uncommon. Our results make the unnatural γ-amino acid 1 of particular interest for the development of bioactive peptidomimetics.
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Affiliation(s)
| | - Raffaella Bucci
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy
| | - Lucia Tamborini
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy
| | | | - Andrea Pinto
- Department of Food, Environmental and Nutritional Sciences, University of Milan, Milan, Italy
| | - Sara Pellegrino
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy
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6
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Arribat M, Rémond E, Richeter S, Gerbier P, Clément S, Cavelier F. Silole Amino Acids with Aggregation-Induced Emission Features Synthesized by Hydrosilylation. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801869] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Mathieu Arribat
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS; Université de Montpellier; ENSCM, Place Eugène Bataillon 34095 Montpellier cedex 5 France
| | - Emmanuelle Rémond
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS; Université de Montpellier; ENSCM, Place Eugène Bataillon 34095 Montpellier cedex 5 France
| | - Sébastien Richeter
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS; Université de Montpellier, ENSCM, Place Eugène Bataillon; 34095 Montpellier cedex 5 France
| | - Philippe Gerbier
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS; Université de Montpellier, ENSCM, Place Eugène Bataillon; 34095 Montpellier cedex 5 France
| | - Sébastien Clément
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS; Université de Montpellier, ENSCM, Place Eugène Bataillon; 34095 Montpellier cedex 5 France
| | - Florine Cavelier
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS; Université de Montpellier; ENSCM, Place Eugène Bataillon 34095 Montpellier cedex 5 France
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7
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Chen H, Chen Y, Tang X, Liu S, Wang R, Hu T, Gao L, Song Z. Rhodium-Catalyzed Reaction of Silacyclobutanes with Unactivated Alkynes to Afford Silacyclohexenes. Angew Chem Int Ed Engl 2019; 58:4695-4699. [PMID: 30742358 DOI: 10.1002/anie.201814143] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Indexed: 12/13/2022]
Abstract
A Rh-catalyzed reaction of silacyclobutanes (SCBs) with unactivated alkynes has been developed to form silacyclohexenes with high chemoselectivity. Good enantioselectivity at the stereogenic silicon center was achieved using a chiral phosphoramidite ligand. The resulting silacyclohexenes are useful scaffolds for synthesizing structurally attractive silacyclic compounds.
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Affiliation(s)
- Hua Chen
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Yi Chen
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Xiaoxiao Tang
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Shunfa Liu
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Runping Wang
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Tianbao Hu
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Lu Gao
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Zhenlei Song
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China.,State Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin, 300071, China
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8
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Chen H, Chen Y, Tang X, Liu S, Wang R, Hu T, Gao L, Song Z. Rhodium‐Catalyzed Reaction of Silacyclobutanes with Unactivated Alkynes to Afford Silacyclohexenes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814143] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Hua Chen
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Yi Chen
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Xiaoxiao Tang
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Shunfa Liu
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Runping Wang
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Tianbao Hu
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Lu Gao
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of Pharmacy Sichuan University Chengdu 610041 China
| | - Zhenlei Song
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Research Center for Drug Industrial Technology Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of Pharmacy Sichuan University Chengdu 610041 China
- State Key Laboratory of Elemento-organic Chemistry Nankai University Tianjin 300071 China
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9
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Chowdhury R, Dubey AK, Ghosh SK. Ag(I)-Fesulphos-Catalyzed Enantioselective Synthesis of 3-Silylproline Derivatives. J Org Chem 2019; 84:2404-2414. [DOI: 10.1021/acs.joc.8b02412] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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10
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Das S, Ben Haj Salah K, Djibo M, Inguimbert N. Peptaibols as a model for the insertions of chemical modifications. Arch Biochem Biophys 2018; 658:16-30. [DOI: 10.1016/j.abb.2018.09.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 09/05/2018] [Accepted: 09/18/2018] [Indexed: 12/13/2022]
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11
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Kubyshkin V, Budisa N. Exploring hydrophobicity limits of polyproline helix with oligomeric octahydroindole-2-carboxylic acid. J Pept Sci 2018; 24:e3076. [PMID: 29582506 DOI: 10.1002/psc.3076] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 02/24/2018] [Accepted: 02/26/2018] [Indexed: 12/12/2022]
Abstract
The polyproline-II helix is the most extended naturally occurring helical structure and is widely present in polar, exposed stretches and "unstructured" denatured regions of polypeptides. Can it be hydrophobic? In this study, we address this question using oligomeric peptides formed by a hydrophobic proline analogue, (2S,3aS,7aS)-octahydroindole-2-carboxylic acid (Oic). Previously, we found the molecular principles underlying the structural stability of the polyproline-II conformation in these oligomers, whereas the hydrophobicity of the peptide constructs remains to be examined. Therefore, we investigated the octan-1-ol/water partitioning and inclusion in detergent micelles of the oligo-Oic peptides. The results showed that the hydrophobicity is remarkably enhanced in longer oligomeric sequences, and the oligo-Oic peptides with 3 to 4 residues and higher are specific towards hydrophobic environments. This contrasts significantly to the parent oligoproline peptides, which were moderately hydrophilic. With these findings, we have demonstrated that the polyproline-II structure is compatible with nonpolar media, whereas additional manipulations of the terminal functionalities feature solubility in extremely nonpolar solvents such as hexane.
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Affiliation(s)
- Vladimir Kubyshkin
- Institute of Chemistry, Technical University of Berlin, Müller-Breslau-Str. 10, Berlin, 10623, Germany
| | - Nediljko Budisa
- Institute of Chemistry, Technical University of Berlin, Müller-Breslau-Str. 10, Berlin, 10623, Germany
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