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Walrant A, Sachon E. Photoaffinity labeling coupled to MS to identify peptide biological partners: Secondary reactions, for better or for worse? MASS SPECTROMETRY REVIEWS 2024. [PMID: 38576378 DOI: 10.1002/mas.21880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 02/22/2024] [Accepted: 03/13/2024] [Indexed: 04/06/2024]
Abstract
Affinity photolabeling is a smart method to study noncovalent and transient interactions and provide a submolecular picture of the contacts between interacting partners. In this review, we will focus on the identification of peptide partners using photoaffinity labeling coupled to mass spectrometry in different contexts such as in vitro with a purified potential partner, in model systems such as model membranes, and with live cells using both targeted and nontargeted proteomics studies. Different biological partners will be described, among which glycoconjugates, oligonucleotides, peptides, proteins, and lipids, with the photoreactive label inserted either on the peptide of interest or on the potential partner. Particular attention will be paid to the observation and characterization of specific rearrangements following the photolabeling reaction, which can help characterize photoadducts and provide a better understanding of the interacting systems and environment.
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Affiliation(s)
- Astrid Walrant
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, Paris, France
| | - Emmanuelle Sachon
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, Paris, France
- Sorbonne Université, Mass Spectrometry Sciences Sorbonne Université, MS3U platform, Fédération de Chimie moléculaire de Paris centre, Paris, France
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2
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Zakany F, Mándity IM, Varga Z, Panyi G, Nagy P, Kovacs T. Effect of the Lipid Landscape on the Efficacy of Cell-Penetrating Peptides. Cells 2023; 12:1700. [PMID: 37443733 PMCID: PMC10340183 DOI: 10.3390/cells12131700] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Every cell biological textbook teaches us that the main role of the plasma membrane is to separate cells from their neighborhood to allow for a controlled composition of the intracellular space. The mostly hydrophobic nature of the cell membrane presents an impenetrable barrier for most hydrophilic molecules larger than 1 kDa. On the other hand, cell-penetrating peptides (CPPs) are capable of traversing this barrier without compromising membrane integrity, and they can do so on their own or coupled to cargos. Coupling biologically and medically relevant cargos to CPPs holds great promise of delivering membrane-impermeable drugs into cells. If the cargo is able to interact with certain cell types, uptake of the CPP-drug complex can be tailored to be cell-type-specific. Besides outlining the major membrane penetration pathways of CPPs, this review is aimed at deciphering how properties of the membrane influence the uptake mechanisms of CPPs. By summarizing an extensive body of experimental evidence, we argue that a more ordered, less flexible membrane structure, often present in the very diseases planned to be treated with CPPs, decreases their cellular uptake. These correlations are not only relevant for understanding the cellular biology of CPPs, but also for rationally improving their value in translational or clinical applications.
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Affiliation(s)
- Florina Zakany
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
| | - István M. Mándity
- Department of Organic Chemistry, Faculty of Pharmacy, Semmelweis University, 1085 Budapest, Hungary;
- TTK Lendület Artificial Transporter Research Group, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, 1117 Budapest, Hungary
| | - Zoltan Varga
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
| | - Gyorgy Panyi
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
| | - Peter Nagy
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
| | - Tamas Kovacs
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
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3
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Cardon S, Hervis YP, Bolbach G, Lopin-Bon C, Jacquinet JC, Illien F, Walrant A, Ravault D, He B, Molina L, Burlina F, Lequin O, Joliot A, Carlier L, Sagan S. A cationic motif upstream Engrailed2 homeodomain controls cell internalization through selective interaction with heparan sulfates. Nat Commun 2023; 14:1998. [PMID: 37032404 PMCID: PMC10083169 DOI: 10.1038/s41467-023-37757-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 03/29/2023] [Indexed: 04/11/2023] Open
Abstract
Engrailed2 (En2) is a transcription factor that transfers from cell to cell through unconventional pathways. The poorly understood internalization mechanism of this cationic protein is proposed to require an initial interaction with cell-surface glycosaminoglycans (GAGs). To decipher the role of GAGs in En2 internalization, we have quantified the entry of its homeodomain region in model cells that differ in their content in cell-surface GAGs. The binding specificity to GAGs and the influence of this interaction on the structure and dynamics of En2 was also investigated at the amino acid level. Our results show that a high-affinity GAG-binding sequence (RKPKKKNPNKEDKRPR), upstream of the homeodomain, controls En2 internalization through selective interactions with highly-sulfated heparan sulfate GAGs. Our data underline the functional importance of the intrinsically disordered basic region upstream of En2 internalization domain, and demonstrate the critical role of GAGs as an entry gate, finely tuning homeoprotein capacity to internalize into cells.
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Affiliation(s)
- Sébastien Cardon
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Yadira P Hervis
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Gérard Bolbach
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
- Sorbonne Université, Mass Spectrometry Sciences Sorbonne University, MS3U platform, 75005, Paris, France
| | | | | | - Françoise Illien
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Astrid Walrant
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Delphine Ravault
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Bingwei He
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Laura Molina
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Fabienne Burlina
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Olivier Lequin
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France
| | - Alain Joliot
- INSERM U932, Institut Curie Centre de Recherche, PSL Research University, Paris, France
| | - Ludovic Carlier
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France.
| | - Sandrine Sagan
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules (LBM), 75005, Paris, France.
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Zhang J, Fu Y, Zhou R, Yin M, Zhu W, Yan S, Wang H. The Construction of Alkaline Phosphatase-Responsive Biomaterial and Its Application for In Vivo Urinary Tract Infection Therapy. Adv Healthc Mater 2022; 12:e2202421. [PMID: 36546611 DOI: 10.1002/adhm.202202421] [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: 09/21/2022] [Revised: 11/23/2022] [Indexed: 12/24/2022]
Abstract
Urinary tract infections caused by urinary catheter implantations are becoming more serious. Therefore, the construction of a responsive antibacterial biomaterial that can not only provide biocompatible conditions, but also effectively prevent the growth and metabolism of bacteria, is urgently needed. In this work, a benzophenone-derived phosphatase light-triggered antibacterial agent is designed and synthesized, which is tethered to the biological materials using a one-step method for in vivo antibacterial therapy. This surface could kill gram-positive bacteria (Staphylococcus aureus) and gram-negative bacteria (Escherichia coli). More importantly, because this material exhibited a zwitterion structure, it does not damage blood cells and tissue cells. When the bacteria interact with this surface, the initial fouling of the bacteria is reduced by zwitterion hydration. When the bacteria actively accumulate and metabolize to produce a certain amount of alkaline phosphatase, the surface immediately started the sterilization performance, and the bactericidal effect is achieved by destroying the bacterial cell membrane. In summary, an antibacterial biomaterial that shows biocompatibility with mammalian cells is successfully constructed, providing new ideas for the development of intelligent urinary catheters.
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Affiliation(s)
- Jing Zhang
- Jilin Medical University, Jilin, 132013, P. R. China
| | - Ying Fu
- Jilin Medical University, Jilin, 132013, P. R. China
| | - Rongtao Zhou
- National Engineering Laboratory of Medical Implantable Devices, Key Laboratory for Medical Implantable Devices of Shandong Province, WEGO Holding Company Limited, Weihai, 264210, P. R. China
| | - Moli Yin
- Jilin Medical University, Jilin, 132013, P. R. China
| | - Wenhe Zhu
- Jilin Medical University, Jilin, 132013, P. R. China
| | - Shunjie Yan
- National Engineering Laboratory of Medical Implantable Devices, Key Laboratory for Medical Implantable Devices of Shandong Province, WEGO Holding Company Limited, Weihai, 264210, P. R. China
| | - Huiyan Wang
- Jilin Medical University, Jilin, 132013, P. R. China
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5
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Bottens RA, Yamada T. Cell-Penetrating Peptides (CPPs) as Therapeutic and Diagnostic Agents for Cancer. Cancers (Basel) 2022; 14:cancers14225546. [PMID: 36428639 PMCID: PMC9688740 DOI: 10.3390/cancers14225546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/03/2022] [Accepted: 11/08/2022] [Indexed: 11/15/2022] Open
Abstract
Cell-Penetrating Peptides (CPPs) are short peptides consisting of <30 amino acids. Their ability to translocate through the cell membrane while carrying large cargo biomolecules has been the topic of pre-clinical and clinical trials. The ability to deliver cargo complexes through membranes yields potential for therapeutics and diagnostics for diseases such as cancer. Upon cellular entry, some CPPs have the ability to target specific organelles. CPP-based intracellular targeting strategies hold tremendous potential as they can improve efficacy and reduce toxicities and side effects. Further, recent clinical trials show a significant potential for future CPP-based cancer treatment. In this review, we summarize recent advances in CPPs based on systematic searches in PubMed, Embase, Web of Science, and Scopus databases until 30 September 2022. We highlight targeted delivery and explore the potential uses for CPPs as diagnostics, drug delivery, and intrinsic anti-cancer agents.
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Affiliation(s)
- Ryan A. Bottens
- Department of Surgery, Division of Surgical Oncology, College of Medicine, University of Illinois, Chicago, IL 60612, USA
| | - Tohru Yamada
- Department of Surgery, Division of Surgical Oncology, College of Medicine, University of Illinois, Chicago, IL 60612, USA
- Richard & Loan Hill Department of Biomedical Engineering, College of Medicine and Engineering, University of Illinois, Chicago, IL 60607, USA
- Correspondence:
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6
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Tryptophan, more than just an interfacial amino acid in the membrane activity of cationic cell-penetrating and antimicrobial peptides. Q Rev Biophys 2022; 55:e10. [PMID: 35979810 DOI: 10.1017/s0033583522000105] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Trp is unique among the amino acids since it is involved in many different types of noncovalent interactions such as electrostatic and hydrophobic ones, but also in π-π, π-cation, π-anion and π-ion pair interactions. In membranotropic peptides and proteins, Trp locates preferentially at the water-membrane interface. In antimicrobial or cell-penetrating peptides (AMPs and CPPs respectively), Trp is well-known for its strong role in the capacity of these peptides to interact and affect the membrane organisation of both bacteria and animal cells at the level of the lipid bilayer. This essential amino acid can however be involved in other types of interactions, not only with lipids, but also with other membrane partners, that are crucial to understand the functional roles of membranotropic peptides. This review is focused on this latter less known role of Trp and describes in details, both in qualitative and quantitative ways: (i) the physico-chemical properties of Trp; (ii) its effect in CPP internalisation; (iii) its importance in AMP activity; (iv) its role in the interaction of AMPs with glycoconjugates or lipids in bacteria membranes and the consequences on the activity of the peptides; (v) its role in the interaction of CPPs with negatively charged polysaccharides or lipids of animal membranes and the consequences on the activity of the peptides. We intend to bring highlights of the physico-chemical properties of Trp and describe its extensive possibilities of interactions, not only at the well-known level of the lipid bilayer, but with other less considered cell membrane components, such as carbohydrates and the extracellular matrix. The focus on these interactions will allow the reader to reevaluate reported studies. Altogether, our review gathers dedicated studies to show how unique are Trp properties, which should be taken into account to design future membranotropic peptides with expected antimicrobial or cell-penetrating activity.
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7
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Bechtella L, Chalouhi E, Milán Rodríguez P, Cosset M, Ravault D, Illien F, Sagan S, Carlier L, Lequin O, Fuchs PFJ, Sachon E, Walrant A. Structural Bases for the Involvement of Phosphatidylinositol-4,5-bisphosphate in the Internalization of the Cell-Penetrating Peptide Penetratin. ACS Chem Biol 2022; 17:1427-1439. [PMID: 35608167 DOI: 10.1021/acschembio.1c00974] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cell-penetrating peptides cross cell membranes through various parallel internalization pathways. Herein, we analyze the role of the negatively charged lipid phosphatidylinositol-4,5-bisphosphate (PI(4,5)P2) in the internalization of Penetratin. Contributions of both inner leaflet and outer leaflet pools of PI(4,5)P2 were revealed by quantifying the internalization of Penetratin in cells treated with PI(4,5)P2 binders. Studies on model systems showed that Penetratin has a strong affinity for PI(4,5)P2 and interacts selectively with this lipid, even in the presence of other negatively charged lipids, as demonstrated by affinity photo-crosslinking experiments. Differential scanning calorimetry experiments showed that Penetratin induces lateral segregation in PI(4,5)P2-containing liposomes, which was confirmed by coarse-grained molecular dynamics simulations. NMR experiments indicated that Penetratin adopts a stabilized helical conformation in the presence of PI(4,5)P2-containing membranes, with an orientation parallel to the bilayer plane, which was also confirmed by all-atom simulations. NMR and photo-crosslinking experiments also suggest a rather shallow insertion of the peptide in the membrane. Put together, our findings suggest that PI(4,5)P2 is a privileged interaction partner for Penetratin and that it plays an important role in Penetratin internalization.
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Affiliation(s)
- Leïla Bechtella
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Edward Chalouhi
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Paula Milán Rodríguez
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Marine Cosset
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Delphine Ravault
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Françoise Illien
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Sandrine Sagan
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Ludovic Carlier
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Olivier Lequin
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
| | - Patrick F. J. Fuchs
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
- Université de Paris, UFR Sciences du Vivant, 75013 Paris, France
| | - Emmanuelle Sachon
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
- Sorbonne Université, Mass Spectrometry Sciences Sorbonne Université, MS3U platform, UFR 926, UFR 927, Paris 75005, France
| | - Astrid Walrant
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, 75005 Paris, France
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8
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Walrant A, Sachon E. Photolabeling Strategies to Study Membranotropic Peptides Interacting with Lipids and Proteins in Membranes. Bioconjug Chem 2021; 32:1503-1514. [PMID: 34160213 DOI: 10.1021/acs.bioconjchem.1c00291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Membranotropic peptides is a class of peptides that exert their biological action at the level of cell membranes. Understanding how they interact with their different membrane binding partners (lipids, proteins, and/or glycoconjugates) is important to decipher their mechanism of action. Affinity photolabeling is a powerful method to study noncovalent interactions and provide a submolecular picture of the contacts between two interacting partners. In this review, we give a panorama of photolabeling-based studies of the interactions between membranotropic peptides and membranes using either photoreactive lipids or peptides.
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Affiliation(s)
- Astrid Walrant
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005, Paris, France
| | - Emmanuelle Sachon
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005, Paris, France.,Sorbonne Université, Mass Spectrometry Sciences Sorbonne University, MS3U platform, UFR 926, UFR 927, 75005, Paris, France
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9
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Sachon E, Walrant A, Sagan S, Cribier S, Rodriguez N. Binding and crossing: Methods for the characterization of membrane-active peptides interactions with membranes at the molecular level. Arch Biochem Biophys 2021; 699:108751. [PMID: 33421380 DOI: 10.1016/j.abb.2021.108751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 12/29/2020] [Accepted: 01/01/2021] [Indexed: 11/16/2022]
Abstract
Antimicrobial and cell-penetrating peptides have been the object of extensive studies for more than 60 years. Initially these two families were studied separately, and more recently parallels have been drawn. These studies have given rise to numerous methodological developments both in terms of observation techniques and membrane models. This review presents some of the most recent original and innovative developments in this field, namely droplet interface bilayers (DIBs), new fluorescence approaches, force measurements, and photolabelling.
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Affiliation(s)
- Emmanuelle Sachon
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005, Paris, France
| | - Astrid Walrant
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005, Paris, France
| | - Sandrine Sagan
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005, Paris, France
| | - Sophie Cribier
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005, Paris, France.
| | - Nicolas Rodriguez
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005, Paris, France
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10
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Zhao J, Xie X, Lin Q, Ma X, Su P, Xia Y. Next-Generation Paternò–Büchi Reagents for Lipid Analysis by Mass Spectrometry. Anal Chem 2020; 92:13470-13477. [PMID: 32840355 DOI: 10.1021/acs.analchem.0c02896] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jing Zhao
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xiaobo Xie
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Qiaohong Lin
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xiaoxiao Ma
- State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China
| | - Pei Su
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Yu Xia
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China
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11
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Mello LR, Hamley IW, Castelletto V, Garcia BBM, Lourenço TC, Vassiliades SV, Alves WA, Han SW, Silva ER. Self-assembly and intracellular delivery of DNA by a truncated fragment derived from the Trojan peptide Penetratin. SOFT MATTER 2020; 16:4746-4755. [PMID: 32329496 DOI: 10.1039/d0sm00347f] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Penetratin is a short Trojan peptide that attracts great interest in biomedical research for its capacity to translocate biological membranes. Herein, we study in detail both self-assembly and intracellular delivery of DNA by the heptamer KIWFQNR, a truncated peptide derived from Penetratin. This shortened sequence possesses a unique design with bolaamphiphilic characteristics that preserves the longest noncationic amino acid portion found in Penetratin. These features convey amphipathicity to assist self-assembly and make it a suitable model for exploring the role of hydrophobic residues for peptide interaction and cell uptake. We show that the fragment forms peptiplexes (i.e., peptide-DNA complexes), and aggregates into long nanofibers with clear β-sheet signature. The supramolecular structure of nanofibers is likely composed of DNA cores surrounded by a peptide shell to which the double helix behaves as a template and induces fibrillization. A nucleation and growth mechanism proceeding through liquid-liquid phase separation of coacervates is proposed for describing the self-assembly of peptiplexes. We also demonstrate that peptiplexes deliver double-stranded 200 bp DNA into HeLa cells, indicating its potential for preparing non-viral vectors for oligonucleotides through noncovalent strategies. Since the main structural features of native Penetratin are conserved in this simpler fragment, our findings also highlight the role of uncharged amino acids for structuration, and thus for the ability of Penetratin to cross cell membranes.
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Affiliation(s)
- Lucas R Mello
- Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo 04023-062, Brazil.
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12
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Ionpair-π interactions favor cell penetration of arginine/tryptophan-rich cell-penetrating peptides. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1862:183098. [DOI: 10.1016/j.bbamem.2019.183098] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 09/18/2019] [Accepted: 10/08/2019] [Indexed: 12/18/2022]
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13
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Abstract
Approximately 75% of all disease-relevant human proteins, including those involved in intracellular protein-protein interactions (PPIs), are undruggable with the current drug modalities (i.e., small molecules and biologics). Macrocyclic peptides provide a potential solution to these undruggable targets because their larger sizes (relative to conventional small molecules) endow them the capability of binding to flat PPI interfaces with antibody-like affinity and specificity. Powerful combinatorial library technologies have been developed to routinely identify cyclic peptides as potent, specific inhibitors against proteins including PPI targets. However, with the exception of a very small set of sequences, the vast majority of cyclic peptides are impermeable to the cell membrane, preventing their application against intracellular targets. This Review examines common structural features that render most cyclic peptides membrane impermeable, as well as the unique features that allow the minority of sequences to enter the cell interior by passive diffusion, endocytosis/endosomal escape, or other mechanisms. We also present the current state of knowledge about the molecular mechanisms of cell penetration, the various strategies for designing cell-permeable, biologically active cyclic peptides against intracellular targets, and the assay methods available to quantify their cell-permeability.
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Affiliation(s)
- Patrick G. Dougherty
- Department of Chemistry and Biochemistry, The Ohio State University, 484 West 12 Avenue, Columbus, Ohio 43210, United States
| | - Ashweta Sahni
- Department of Chemistry and Biochemistry, The Ohio State University, 484 West 12 Avenue, Columbus, Ohio 43210, United States
| | - Dehua Pei
- Department of Chemistry and Biochemistry, The Ohio State University, 484 West 12 Avenue, Columbus, Ohio 43210, United States
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14
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Bechtella L, Kirschbaum C, Cosset M, Clodic G, Matheron L, Bolbach G, Sagan S, Walrant A, Sachon E. Benzophenone Photoreactivity in a Lipid Bilayer To Probe Peptide/Membrane Interactions: Simple System, Complex Information. Anal Chem 2019; 91:9102-9110. [DOI: 10.1021/acs.analchem.9b01584] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Leïla Bechtella
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
| | - Carla Kirschbaum
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
- Sorbonne Université, Institut de Biologie Paris Seine, Plateforme de spectrométrie de masse et protéomique, 75005 Paris, France
| | - Marine Cosset
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
| | - Gilles Clodic
- Sorbonne Université, Institut de Biologie Paris Seine, Plateforme de spectrométrie de masse et protéomique, 75005 Paris, France
| | - Lucrèce Matheron
- Sorbonne Université, Institut de Biologie Paris Seine, Plateforme de spectrométrie de masse et protéomique, 75005 Paris, France
| | - Gérard Bolbach
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
- Sorbonne Université, Institut de Biologie Paris Seine, Plateforme de spectrométrie de masse et protéomique, 75005 Paris, France
| | - Sandrine Sagan
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
| | - Astrid Walrant
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
| | - Emmanuelle Sachon
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
- Sorbonne Université, Institut de Biologie Paris Seine, Plateforme de spectrométrie de masse et protéomique, 75005 Paris, France
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15
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Levin PP, Efremkin AF, Krivandin AV, Lomakin SM, Shatalova OV, Khudyakov IV. Photoinduced Reactions of Benzophenone in Biaxially Oriented Polypropylene. J Phys Chem A 2018; 122:4298-4305. [PMID: 29644856 DOI: 10.1021/acs.jpca.8b01483] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The photoinduced reactions of benzophenone (B) in biaxially oriented polypropylene (BOPP) were studied with nanosecond laser photolysis (N2 laser, λ337.1 nm). The first observed transient was a triplet state 3B*. Decay of 3B* led to formation of a radical pair (RP) of BH• and R•, where R• is a radical formed by hydrogen abstraction from BOPP (RH) by 3B*. We studied BOPP after the preheating for a short time in a temperature range 298-423 K, which is essentially lower than its melting point of 453 K. All measurements with not-heated and with preheated (annealed) BOPP were made at 298 K. A radical pair (RP) apparently decays as a contact pair 3[BH•, R•] in nonheated BOPP. A critical phenomenon takes place: dissociation of RP with a formation of free radicals in the polymer bulk is observed at preheating temperature Tcrit ≈ 403 K and at a higher T. The physical process of heating and cooling of BOPP apparently resulted in the restructuring of crystallites, their agglomeration, shrinking of the distribution of crystallites according to their sizes in BOPP. Overall BOPP becomes softer which manifests itself in the radical kinetics. The decay kinetics of 3B* and RP in the cage fits well the first-order law. Rate constants were obtained. Radicals BH•, which exit into the polymer bulk at temperatures of preheating T ≥ 403 K, decay by cross-termination according to the second-order law. A relatively high rate constant ∼108 M-1·s-1 for this reaction was obtained due to diffusion of BH• enclosed in the soft amorphous phase of BOPP. Properties of BOPP containing B were studied with ESR, DSC, IR, and WAXD.
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Affiliation(s)
- Peter P Levin
- Emanuel Institute of Biochemical Physics , Russian Academy of Sciences , Moscow , 119334 , Russia.,Semenov Institute of Chemical Physics , Russian Academy of Sciences , Moscow , 119991 , Russia
| | - Alexei F Efremkin
- Semenov Institute of Chemical Physics , Russian Academy of Sciences , Moscow , 119991 , Russia
| | - Aleksey V Krivandin
- Emanuel Institute of Biochemical Physics , Russian Academy of Sciences , Moscow , 119334 , Russia
| | - Sergei M Lomakin
- Emanuel Institute of Biochemical Physics , Russian Academy of Sciences , Moscow , 119334 , Russia
| | - Olga V Shatalova
- Emanuel Institute of Biochemical Physics , Russian Academy of Sciences , Moscow , 119334 , Russia
| | - Igor V Khudyakov
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
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16
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Wu G, Wang CY, Jiao T, Zhu H, Huang F, Li H. Controllable Self-Assembly of Macrocycles in Water for Isolating Aromatic Hydrocarbon Isomers. J Am Chem Soc 2018; 140:5955-5961. [DOI: 10.1021/jacs.8b01651] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Guangcheng Wu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Cai-Yun Wang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Tianyu Jiao
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Huangtianzhi Zhu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Feihe Huang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Hao Li
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
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17
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Lauer JC, Zhang WS, Rominger F, Schröder RR, Mastalerz M. Shape-Persistent [4+4] Imine Cages with a Truncated Tetrahedral Geometry. Chemistry 2018; 24:1816-1820. [PMID: 29272048 PMCID: PMC5838406 DOI: 10.1002/chem.201705713] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Indexed: 12/29/2022]
Abstract
The synthesis of shape-persistent organic cage compounds is often based on the usage of multiple dynamic covalent bond formation (such as imines) of readily available precursors. By careful choice of the precursors geometry, the geometry and size of the resulting cage can be accurately designed and indeed a number of different geometries and sizes have been realized to date. Despite of this fact, little is known about the precursors conformational rigidity and steric preorganization of reacting functional groups on the outcome of the reaction. Herein, the influence of conformational rigidity in the precursors on the formation of a [4+4] imine cage with truncated tetrahedral geometry is discussed.
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Affiliation(s)
- Jochen C Lauer
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Wen-Shan Zhang
- Centre for Advanced Materials, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 225, 69120, Heidelberg, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Rasmus R Schröder
- Centre for Advanced Materials, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 225, 69120, Heidelberg, Germany
| | - Michael Mastalerz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
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18
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Walrant A, Cardon S, Burlina F, Sagan S. Membrane Crossing and Membranotropic Activity of Cell-Penetrating Peptides: Dangerous Liaisons? Acc Chem Res 2017; 50:2968-2975. [PMID: 29172443 DOI: 10.1021/acs.accounts.7b00455] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Living organisms have to maintain a stable balance in molecules and ions in the changing environment in which they are living, a process known as homeostasis. At the level of cells, the plasma membrane has a major role in homeostasis, since this hydrophobic film prevents passive diffusion of large and hydrophilic molecules between the extracellular and intracellular milieu. Living organisms have evolved with highly sophisticated transport systems to control exchanges across this barrier: import of nutrients and fuel essential for their survival; recognition of chemical or physical messengers allowing information interchanges with surrounding cells. Besides specialized proteins, endocytosis mechanisms at the level of the lipid bilayer can transport molecules from the outside across the cell membrane, in an energy-dependent manner. The cell membrane is highly heterogeneous in its molecular composition (tens of different lipids, proteins, polysaccharides, and combinations of these) and dynamic with bending, deformation, and elastic properties that depend on the local composition of membrane domains. Many viruses, microorganisms, and toxins exploit the plasma membrane to enter into cells. Chemists develop strategies to target the plasma membrane with molecules capable of circumventing this hydrophobic barrier, in particular to transport and deliver nonpermeable drugs in cells for biotechnological or pharmaceutical purposes. Drug delivery systems are numerous and include lipid-, sugar-, protein-, and peptide-based delivery systems, since these biomolecules generally have good biocompatibility, biodegradability, environmental sustainability, cost effectiveness, and availability. Among those, cell-penetrating peptides (CPPs), reported for the first time in the early 1990s, are attracting major interest not only as potential drug delivery systems but also at the level of fundamental research. It was indeed demonstrated very early that these peptides, which generally correspond to highly cationic sequences, can still cross the cell membrane at 4 °C, a temperature at which all active transport and endocytosis pathways are totally inhibited. Therefore, how these charged hydrophilic peptides cross the hydrophobic membrane barrier is of utmost interest as a pure basic and physicochemical question. In this Account, we focus on cationic cell-penetrating peptides (CPPs) and the way they cross cell membranes. We summarize the history of this field that emerged around 20 years ago. CPPs were indeed first identified as protein-transduction domains from the human immunodeficiency virus (HIV) TAT protein and the Antennapedia homeoprotein, a transcription factor from Drosophila. We highlight our contribution to the elucidation of CPP internalization pathways, in particular translocation, which implies perturbation and reorganization of the lipid bilayer, and endocytosis depending on sulfated glycosaminoglycans. We show a particular role of Trp (indole side chain) and Arg (guanidinium side chain), which are essential amino acids for CPP internalization. Interactions with the cell-surface are not only Coulombic; H-bonds and hydrophobic interactions contribute also significantly to CPP entry. The capacity of CPPs to cross cell membrane is not related to their strength of membrane binding. Finally, we present optimized methods based on mass spectrometry and fluorescence spectroscopy that allow unequivocal quantification of CPPs inside cells or bound to the outer leaflet of the membrane, and discuss some limitations of the technique of flow cytometry that we have recently highlighted.
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Affiliation(s)
- Astrid Walrant
- Sorbonne Universités, UPMC Univ. Paris 06, École normale
supérieure, PSL Research University, CNRS, Laboratoire des Biomolécules
(LBM), 4 place Jussieu, 75005 Paris, France
| | - Sébastien Cardon
- Sorbonne Universités, UPMC Univ. Paris 06, École normale
supérieure, PSL Research University, CNRS, Laboratoire des Biomolécules
(LBM), 4 place Jussieu, 75005 Paris, France
| | - Fabienne Burlina
- Sorbonne Universités, UPMC Univ. Paris 06, École normale
supérieure, PSL Research University, CNRS, Laboratoire des Biomolécules
(LBM), 4 place Jussieu, 75005 Paris, France
| | - Sandrine Sagan
- Sorbonne Universités, UPMC Univ. Paris 06, École normale
supérieure, PSL Research University, CNRS, Laboratoire des Biomolécules
(LBM), 4 place Jussieu, 75005 Paris, France
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