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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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Previti S, Vivancos M, Rémond E, Beaulieu S, Longpré JM, Ballet S, Sarret P, Cavelier F. Insightful Backbone Modifications Preventing Proteolytic Degradation of Neurotensin Analogs Improve NT S1-Induced Protective Hypothermia. Front Chem 2020; 8:406. [PMID: 32582624 PMCID: PMC7291367 DOI: 10.3389/fchem.2020.00406] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 04/17/2020] [Indexed: 12/31/2022] Open
Abstract
Therapeutic hypothermia represents a brain-protective strategy for multiple emergency situations, such as stroke or traumatic injury. Neurotensin (NT), which exerts its effects through activation of two G protein-coupled receptors, namely NTS1 and NTS2, induces a strong and long-lasting decrease in core body temperature after its central administration. Growing evidence demonstrates that NTS1 is the receptor subtype mediating the hypothermic action of NT. As such, potent NTS1 agonists designed on the basis of the minimal C-terminal NT(8-13) bioactive fragment have been shown to produce mild hypothermia and exert neuroprotective effects under various clinically relevant conditions. The high susceptibility of NT(8-13) to protease degradation (half-life <2 min) represents, however, a serious limitation for its use in pharmacological therapy. In light of this, we report here a structure-activity relationship study in which pairs of NT(8-13) analogs have been developed, based on the incorporation of a reduced Lys8-Lys9 bond. To further stabilize the peptide bonds, a panel of backbone modifications was also inserted along the peptide sequence, including Sip10, D-Trp11, Dmt11, Tle12, and TMSAla13. Our results revealed that the combination of appropriate chemical modifications leads to compounds exhibiting improved resistance to proteolytic cleavages (>24 h; 16). Among them, the NT(8-13) analogs harboring the reduced amine bond combined with the unnatural amino acids TMSAla13 (4) and Sip10 (6) or the di-substitution Lys11 - TMSAla13 (12), D-Trp11-TMSAla13 (14), and Dmt11-Tle12 (16) produced sustained hypothermic effects (−3°C for at least 1 h). Importantly, we observed that hypothermia was mainly driven by the increased stability of the NT(8-13) derivatives, instead of the high binding-affinity at NTS1. Altogether, these results reveal the importance of the reduced amine bond in optimizing the metabolic properties of the NT(8-13) peptide and support the development of stable NTS1 agonists as first drug candidate in neuroprotective hypothermia.
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Affiliation(s)
- Santo Previti
- Institut des Biomolécules Max Mousseron, IBMM, UMR-5247, CNRS, Université de Montpellier, ENSCM, Montpellier, France.,Departments of Bioengineering Sciences and Chemistry, Research Group of Organic Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
| | - Mélanie Vivancos
- Department of Pharmacology-Physiology, Faculty of Medicine and Health Sciences, Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Emmanuelle Rémond
- Institut des Biomolécules Max Mousseron, IBMM, UMR-5247, CNRS, Université de Montpellier, ENSCM, Montpellier, France
| | - Sabrina Beaulieu
- Department of Pharmacology-Physiology, Faculty of Medicine and Health Sciences, Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Jean-Michel Longpré
- Department of Pharmacology-Physiology, Faculty of Medicine and Health Sciences, Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Steven Ballet
- Departments of Bioengineering Sciences and Chemistry, Research Group of Organic Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
| | - Philippe Sarret
- Department of Pharmacology-Physiology, Faculty of Medicine and Health Sciences, Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Florine Cavelier
- Institut des Biomolécules Max Mousseron, IBMM, UMR-5247, CNRS, Université de Montpellier, ENSCM, Montpellier, France
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Tonon MC, Vaudry H, Chuquet J, Guillebaud F, Fan J, Masmoudi-Kouki O, Vaudry D, Lanfray D, Morin F, Prevot V, Papadopoulos V, Troadec JD, Leprince J. Endozepines and their receptors: Structure, functions and pathophysiological significance. Pharmacol Ther 2020; 208:107386. [DOI: 10.1016/j.pharmthera.2019.06.008] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 06/20/2019] [Indexed: 02/06/2023]
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