1
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Lin Y, Wu B, Zeng Y, Yuan H, Ji C, Liu Z, Sui Y, Yin T, Kong X, Zhu Y, Chen J, Lang C. Artificial Channels Based on Bottlebrush Polymers: Enhanced Ion Transport Through Polymer Topology Control. Angew Chem Int Ed Engl 2024; 63:e202408558. [PMID: 38842471 DOI: 10.1002/anie.202408558] [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: 05/06/2024] [Revised: 06/03/2024] [Accepted: 06/03/2024] [Indexed: 06/07/2024]
Abstract
Synthetic structures mimicking the transport function of natural ion channel proteins have a wide range of applications, including therapeutic treatments, separation membranes, sensing, and biotechnologies. However, the development of polymer-based artificial channels has been hampered due to the limitation on available models. In this study, we demonstrate the great potential of bottlebrush polymers as accessible and versatile molecular scaffolds for developing efficient artificial ion channels. Adopting the bottlebrush configuration enhanced ion transport activity of the channels compared to their linear analogs. Matching the structure of lipid bilayers, the bottlebrush channel with a hydrophilic-hydrophobic-hydrophilic triblock architecture exhibited the highest activity among the series. Functionalized with urea groups, these channels displayed high anion selectivity. Additionally, we illustrated that the transport properties could be fine-tuned by modifying the chemistry of ion binding sites. This work not only highlights the importance of polymer topology control in channel design, but also reveals the great potential for further developing bottlebrush channels with customized features and diverse functionalities.
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Affiliation(s)
- Yangyang Lin
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Bei Wu
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | | | - Haoxuan Yuan
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Changxing Ji
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Ziqi Liu
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Yan Sui
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Tingting Yin
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Xian Kong
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Yuting Zhu
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Jie Chen
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Chao Lang
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, China
- Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
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2
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Cao R, Rossdeutcher RB, Zhong Y, Shen Y, Miller DP, Sobiech TA, Wu X, Buitrago LS, Ramcharan K, Gutay MI, Figueira MF, Luthra P, Zurek E, Szyperski T, Button B, Shao Z, Gong B. Aromatic pentaamide macrocycles bind anions with high affinity for transport across biomembranes. Nat Chem 2023; 15:1559-1568. [PMID: 37814114 DOI: 10.1038/s41557-023-01315-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 08/08/2023] [Indexed: 10/11/2023]
Abstract
The convergent positioning of functional groups in biomacromolecules leads to good binding, catalytic and transport capabilities. Synthetic frameworks capable of convergently locking functional groups with minimized conformational uncertainty-leading to similar properties-are highly desirable but rare. Here we report C5-symmetric aromatic pentaamide macrocycles synthesized in one pot from the corresponding monomers. Their crystal structures reveal a star-shaped, fully constrained backbone that causes ten alternating NH/CH hydrogen-bond donors and five large amide dipoles to orient towards the centre of the macrocycle. With a highly electropositive cavity in a high-energy unbound state, the macrocycles bind anions in a 1:1 stoichiometry in solution, with high affinity for halides and very high affinity for oxoanions. We demonstrate that such macrocycles are able to transport anions across lipid bilayers with a high chloride selectivity and restore the depleted airway surface liquid of cystic fibrosis airway cell cultures.
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Affiliation(s)
- Ruikai Cao
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Robert B Rossdeutcher
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Yulong Zhong
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Yi Shen
- State Key Laboratory of Systems Medicine for Cancer, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Daniel P Miller
- Department of Chemistry, Hofstra University, Hempstead, NY, USA
| | - Thomas A Sobiech
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Xiangxiang Wu
- Academy of Chinese Medical Science, Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | | | | | - Mark I Gutay
- Marsico Lung Institute, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | | | - Pia Luthra
- Department of Chemistry, Hofstra University, Hempstead, NY, USA
| | - Eva Zurek
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Thomas Szyperski
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Brian Button
- Marsico Lung Institute, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | - Zhifeng Shao
- State Key Laboratory of Systems Medicine for Cancer, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China.
| | - Bing Gong
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, USA.
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3
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Cataldo A, Chvojka M, Park G, Šindelář V, Gabbaï FP, Butler SJ, Valkenier H. Transmembrane transport of fluoride studied by time-resolved emission spectroscopy. Chem Commun (Camb) 2023; 59:4185-4188. [PMID: 36938842 PMCID: PMC10072081 DOI: 10.1039/d3cc00897e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
Abstract
Here we present a new method to monitor fluoride transmembrane transport into liposomes using a europium(III) complex. We take advantage of the long emission lifetime of this probe to measure the transport activity of a fluorescent transporter. The high sensitivity, selectivity, and versatility of the assay allowed us to study different types of fluoride transporters and unravel their mechanisms of action.
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Affiliation(s)
- Alessio Cataldo
- Université libre de Bruxelles (ULB), Engineering of Molecular NanoSystems, Avenue F.D. Roosevelt 50, CP165/64, B-1050 Brussels, Belgium.
| | - Matúš Chvojka
- Université libre de Bruxelles (ULB), Engineering of Molecular NanoSystems, Avenue F.D. Roosevelt 50, CP165/64, B-1050 Brussels, Belgium. .,Department of Chemistry and RECETOX, Faculty of Science, Masaryk University, Brno 62500, Czech Republic
| | - Gyeongjin Park
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, USA
| | - Vladimír Šindelář
- Department of Chemistry and RECETOX, Faculty of Science, Masaryk University, Brno 62500, Czech Republic
| | - François P Gabbaï
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, USA
| | - Stephen J Butler
- Department of Chemistry, Loughborough University, Epinal Way, Loughborough, UK.
| | - Hennie Valkenier
- Université libre de Bruxelles (ULB), Engineering of Molecular NanoSystems, Avenue F.D. Roosevelt 50, CP165/64, B-1050 Brussels, Belgium.
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4
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Komaki K, Kasuya S, Toda Y, Tosaka T, Kamiya K, Koshiyama T. Cu(II)-Triggered Ion Channel Properties of a 2,2'-Bipyridine-Modified Amphotericin B. ACS APPLIED BIO MATERIALS 2023; 6:828-835. [PMID: 36708326 DOI: 10.1021/acsabm.2c00995] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The development of stimuli-responsive synthetic channels that open and close in response to physical and chemical changes in the surrounding environment has attracted attention because of their potential bioapplications such as sensing, drug release, antibiotics, and molecular manipulation tools to control membrane transport in cells. Metal coordination is ideal as a stimulus for stimuli-responsive channels because it allows for reversible gating behavior through the addition and removal of metal ions and fine-tuning of channel structure through coordination geometry defined by the type of the metal ion and ligand. We have previously reported on transition metal-ion dependent ion permeability control of Amphotericin B (AmB) modified with a metal coordination site, 2,2'-bipyridine ligand (bpy-AmB). AmB is one of the polyene macrolide antibiotics, and it is known that the interaction between AmB and ergosterol molecules is required for AmB channel formation. In contrast, the Cu2+ coordination to the bpy moiety of bpy-AmB induces formation of Ca2+ ion-permeable channels in the ergosterol-free POPC membrane. However, the details of bpy-AmB properties such as channel stability, ion selectivity, pore size, and the effect of ergosterol on channel formation remain unclear. Here, we investigate bpy-AmB channels triggered by transition metal coordination in POPC or ergosterol-containing POPC liposomes using an HPTS assay, electrophysiological measurements, and time-resolved UV-vis spectral measurements. These analyses reveal that bpy-AmB channels triggered by Cu2+ ions are more stable and have larger pore sizes than the original AmB channels and enable efficient permeation of various cations. We believe that our channel design will lead to the construction of metal coordination-triggered synthetic ion channels.
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Affiliation(s)
- Kosuke Komaki
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga525-8577, Japan
| | - Soichiro Kasuya
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga525-8577, Japan
| | - Yusei Toda
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga525-8577, Japan
| | - Toshiyuki Tosaka
- Division of Molecular Science, Graduate School of Science and Technology, Gunma University, 1-5-1, Tenjin, Kiryu, Gunma376-8515, Japan
| | - Koki Kamiya
- Division of Molecular Science, Graduate School of Science and Technology, Gunma University, 1-5-1, Tenjin, Kiryu, Gunma376-8515, Japan
| | - Tomomi Koshiyama
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga525-8577, Japan
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5
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Yang K, Kotak HA, Haynes CJ. Metal-organic ion transport systems. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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6
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Affiliation(s)
- Assunta D'Amato
- University of Salerno: Universita degli Studi di Salerno Chemistry and Biology "A. Zambelli" Via Giovanni Paolo II, 132 84084 Fisciano ITALY
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7
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Sato K, Sasaki R, Matsuda R, Nakagawa M, Ekimoto T, Yamane T, Ikeguchi M, Tabata KV, Noji H, Kinbara K. Supramolecular Mechanosensitive Potassium Channel Formed by Fluorinated Amphiphilic Cyclophane. J Am Chem Soc 2022; 144:11802-11809. [PMID: 35727684 DOI: 10.1021/jacs.2c04118] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Inspired by mechanosensitive potassium channels found in nature, we developed a fluorinated amphiphilic cyclophane composed of fluorinated rigid aromatic units connected via flexible hydrophilic octa(ethylene glycol) chains. Microscopic and emission spectroscopic studies revealed that the cyclophane could be incorporated into the hydrophobic layer of the lipid bilayer membranes and self-assembled to form a supramolecular transmembrane ion channel. Current recording measurements using cyclophane-containing planer lipid bilayer membranes successfully demonstrated an efficient transmembrane ion transport. We also demonstrated that the ion transport property was sensitive to the mechanical forces applied to the membranes. In addition, ion transport assays using pH-sensitive fluorescence dye revealed that the supramolecular channel possesses potassium ion selectivity. We also performed all-atom hybrid quantum-mechanical/molecular mechanical simulations to assess the channel structures at atomic resolution and the mechanism of selective potassium ion transport. This research demonstrated the first example of a synthetic mechanosensitive potassium channel, which would open a new door to sensing and manipulating biologically important processes and purification of key materials in industries.
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Affiliation(s)
- Kohei Sato
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Ryo Sasaki
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Ryoto Matsuda
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Mayuko Nakagawa
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Toru Ekimoto
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Tsutomu Yamane
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Mitsunori Ikeguchi
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Kazuhito V Tabata
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Hiroyuki Noji
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazushi Kinbara
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan.,World Research Hub Initiative, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
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8
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Responsive Polymers with Contraction-arisen Helicity and Biomimetic Membrane-spanning Transport Functions. Chem Res Chin Univ 2022. [DOI: 10.1007/s40242-022-2031-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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9
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Rate of translocation across lipid bilayer of triphenylphosphonium-linked salinomycin derivatives contributes significantly to their K+/H+exchange activity on membranes. Bioelectrochemistry 2022; 145:108089. [DOI: 10.1016/j.bioelechem.2022.108089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/19/2022] [Accepted: 02/21/2022] [Indexed: 11/17/2022]
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10
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Bickerton LE, Johnson TG, Kerckhoffs A, Langton MJ. Supramolecular chemistry in lipid bilayer membranes. Chem Sci 2021; 12:11252-11274. [PMID: 34567493 PMCID: PMC8409493 DOI: 10.1039/d1sc03545b] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 07/26/2021] [Indexed: 01/03/2023] Open
Abstract
Lipid bilayer membranes form compartments requisite for life. Interfacing supramolecular systems, including receptors, catalysts, signal transducers and ion transporters, enables the function of the membrane to be controlled in artificial and living cellular compartments. In this perspective, we take stock of the current state of the art of this rapidly expanding field, and discuss prospects for the future in both fundamental science and applications in biology and medicine.
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Affiliation(s)
- Laura E Bickerton
- Department of Chemistry, University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Toby G Johnson
- Department of Chemistry, University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Aidan Kerckhoffs
- Department of Chemistry, University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Matthew J Langton
- Department of Chemistry, University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
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11
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Martínez‐Crespo L, Hewitt SH, De Simone NA, Šindelář V, Davis AP, Butler S, Valkenier H. Transmembrane Transport of Bicarbonate Unravelled*. Chemistry 2021; 27:7367-7375. [PMID: 33932059 PMCID: PMC8251953 DOI: 10.1002/chem.202100491] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Indexed: 02/06/2023]
Abstract
Anion receptors can be used to transport ions across lipid bilayers, which has potential for therapeutic applications. Synthetic bicarbonate transporters are of particular interest, as defects in transmembrane transport of bicarbonate are associated with various diseases. However, no convenient method exists to directly observe bicarbonate transport and study the mechanisms involved. Here, an assay is presented that allows the kinetics of bicarbonate transport into liposomes to be monitored directly and with great sensitivity. The assay utilises an encapsulated europium(III) complex, which exhibits a large increase in emission intensity upon binding bicarbonate. Mechanisms involving CO2 diffusion and the dissipation of a pH gradient are shown to be able to lead to an increase in bicarbonate concentration within liposomes, without transport of the anion occurring at all. By distinguishing these alternative mechanisms from actual bicarbonate transport, this assay will inform the future development of bicarbonate transporters.
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Affiliation(s)
- Luis Martínez‐Crespo
- Université Libre de Bruxelles (ULB)Engineering of Molecular NanoSystems, Ecole polytechnique de BruxellesAvenue F.D. Roosevelt 50, CP165/641050BrusselsBelgium
| | - Sarah H. Hewitt
- Loughborough UniversityDepartment of ChemistryEpinal WayLoughboroughLE11 3TUUK
| | | | - Vladimír Šindelář
- Masaryk UniversityDepartment of Chemistry and RECETOX, Faculty of ScienceKamenice 5625 00BrnoCzech Republic
| | - Anthony P. Davis
- University of BristolSchool of ChemistryCantock's CloseBristolBS8 1TSUK
| | - Stephen Butler
- Loughborough UniversityDepartment of ChemistryEpinal WayLoughboroughLE11 3TUUK
| | - Hennie Valkenier
- Université Libre de Bruxelles (ULB)Engineering of Molecular NanoSystems, Ecole polytechnique de BruxellesAvenue F.D. Roosevelt 50, CP165/641050BrusselsBelgium
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12
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Qi S, Zhang C, Yu H, Zhang J, Yan T, Lin Z, Yang B, Dong Z. Foldamer-Based Potassium Channels with High Ion Selectivity and Transport Activity. J Am Chem Soc 2021; 143:3284-3288. [PMID: 33645973 DOI: 10.1021/jacs.0c12128] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Small molecules that independently perform natural channel-like functions show greatly potential in the treatment of human diseases. Taking advantage of aromatic helical scaffolds, we develop a kind of foldamer-based ion channels with lumen size varying from 3.8 to 2.3 Å through a sequence substitution strategy. Our results clearly elucidate the importance of channel size in ion transport selectivity in molecular detail, eventually leading to the discoveries of the best artificial K+ channel by far and a rare sodium-preferential channel as well. High K+ selectivity and transport activity together make foldamers promising in therapeutic applications.
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Affiliation(s)
- Shuaiwei Qi
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Chenyang Zhang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Hao Yu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Jing Zhang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Tengfei Yan
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Ze Lin
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Bing Yang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Zeyuan Dong
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
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13
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Sahoo S, ur Rehman J, Shah MR, De P, Tecilla P. Cholate Conjugated Polymeric Amphiphiles as Efficient Artificial Ionophores. ACS APPLIED POLYMER MATERIALS 2021; 3:588-593. [PMID: 33842888 PMCID: PMC8025732 DOI: 10.1021/acsapm.0c01182] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/25/2020] [Indexed: 06/12/2023]
Abstract
A family of amphiphilic copolymers containing hydrophobic cholate pendants has been prepared by copolymerization of cholic acid-based monomer 2-(methacryloxy)-ethyl cholate (MAECA) with polyethylene glycol methyl ether methacrylate (PEGMA). The polymers differ for the content of MAECA that increases from 0 to 35%. The copolymers partition within liposomes and display potent ionophoric activity forming large pores in the membrane and allowing the leakage of small inorganic ions (H+, Na+) and of large polar organic molecules (calcein). Their activity is strictly correlated to the content of cholic acid subunits, increasing as the fraction of cholate moiety increases.
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Affiliation(s)
- Subhasish Sahoo
- Polymer
Research Centre and Centre for Advanced Functional Materials, Department
of Chemical Sciences, Indian Institute of
Science Education and Research Kolkata, Mohanpur, Nadia, West Bengal 741246, India
| | - Jawad ur Rehman
- H.
E. J. Research Institute of Chemistry, International Center for Chemical
and Biological Sciences, University of Karachi, Karachi, Sindh 75270, Pakistan
- Department
of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, I-34127 Trieste, Italy
| | - Muhammad Raza Shah
- H.
E. J. Research Institute of Chemistry, International Center for Chemical
and Biological Sciences, University of Karachi, Karachi, Sindh 75270, Pakistan
| | - Priyadarsi De
- Polymer
Research Centre and Centre for Advanced Functional Materials, Department
of Chemical Sciences, Indian Institute of
Science Education and Research Kolkata, Mohanpur, Nadia, West Bengal 741246, India
| | - Paolo Tecilla
- Department
of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, I-34127 Trieste, Italy
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14
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Mori M, Sato K, Ekimoto T, Okumura S, Ikeguchi M, Tabata KV, Noji H, Kinbara K. Imidazolinium-based Multiblock Amphiphile as Transmembrane Anion Transporter. Chem Asian J 2021; 16:147-157. [PMID: 33247535 DOI: 10.1002/asia.202001106] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/21/2020] [Indexed: 01/13/2023]
Abstract
Transmembrane anion transport is an important biological process in maintaining cellular functions. Thus, synthetic anion transporters are widely developed for their biological applications. Imidazolinium was introduced as anion recognition site to a multiblock amphiphilic structure that consists of octa(ethylene glycol) and aromatic units. Ion transport assay using halide-sensitive lucigenin and pH-sensitive 8-hydroxypyrene-1,3,6-trisulfonate (HPTS) revealed that imidazolinium-based multiblock amphiphile (IMA) transports anions and showed high selectivity for nitrate, which plays crucial roles in many biological events. Temperature-dependent ion transport assay using 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) indicated that IMA works as a mobile carrier. 1 H NMR titration experiments indicated that the C2 proton of the imidazolinium ring recognizes anions via a (C-H)+ ⋅⋅⋅X- hydrogen bond. Furthermore, all-atom molecular dynamics simulations revealed a dynamic feature of IMA within the membranes during ion transportation.
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Affiliation(s)
- Miki Mori
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan
| | - Kohei Sato
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan
| | - Toru Ekimoto
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Shinichi Okumura
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Mitsunori Ikeguchi
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan.,RIKEN Medical Science Innovation Hub Program, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Kazuhito V Tabata
- Graduate School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Hiroyuki Noji
- Graduate School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kazushi Kinbara
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan
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15
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Schettini R, Tosolini M, ur Rehman J, Shah MR, Pierri G, Tedesco C, Della Sala G, De Riccardis F, Tecilla P, Izzo I. Role of Lipophilicity in the Activity of Hexameric Cyclic Peptoid Ion Carriers. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001401] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Rosaria Schettini
- Dipartimento di Chimica e Biologia “A. Zambelli” Università degli Studi di Salerno Via Giovanni Paolo II, 132 84084 Fisciano Salerno Italy
| | - Massimo Tosolini
- Dipartimento di Scienze Chimiche e Farmaceutiche Università degli Studi di Trieste Via Giorgieri 1 34127 Trieste Italy
| | - Jawad ur Rehman
- Dipartimento di Scienze Chimiche e Farmaceutiche Università degli Studi di Trieste Via Giorgieri 1 34127 Trieste Italy
- H.E. J. Research Institute of Chemistry International Center for Chemical and Biological Sciences University of Karachi Karachi 75270 Pakistan
| | - Muhammed Raza Shah
- H.E. J. Research Institute of Chemistry International Center for Chemical and Biological Sciences University of Karachi Karachi 75270 Pakistan
| | - Giovanni Pierri
- Dipartimento di Chimica e Biologia “A. Zambelli” Università degli Studi di Salerno Via Giovanni Paolo II, 132 84084 Fisciano Salerno Italy
| | - Consiglia Tedesco
- Dipartimento di Chimica e Biologia “A. Zambelli” Università degli Studi di Salerno Via Giovanni Paolo II, 132 84084 Fisciano Salerno Italy
| | - Giorgio Della Sala
- Dipartimento di Chimica e Biologia “A. Zambelli” Università degli Studi di Salerno Via Giovanni Paolo II, 132 84084 Fisciano Salerno Italy
| | - Francesco De Riccardis
- Dipartimento di Chimica e Biologia “A. Zambelli” Università degli Studi di Salerno Via Giovanni Paolo II, 132 84084 Fisciano Salerno Italy
| | - Paolo Tecilla
- Dipartimento di Matematica Geoscienze Università degli Studi di Trieste Via Weiss 8 34127 Trieste Italy
| | - Irene Izzo
- Dipartimento di Chimica e Biologia “A. Zambelli” Università degli Studi di Salerno Via Giovanni Paolo II, 132 84084 Fisciano Salerno Italy
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16
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Benke BP, Behera H, Madhavan N. Low Molecular Weight Di‐ to Tetrapeptide Transmembrane Cation Transporters. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Bahiru P. Benke
- Department of Chemistry Indian Institute of Technology Madras 600036 Chennai Tamil Nadu India
| | - Harekrushna Behera
- Department of Chemistry Indian Institute of Technology Madras 600036 Chennai Tamil Nadu India
- Department of Chemistry Indian Institute of Technology Bombay 400076 Powai Mumbai India
| | - Nandita Madhavan
- Department of Chemistry Indian Institute of Technology Bombay 400076 Powai Mumbai India
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17
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Yuan YD, Dong J, Liu J, Zhao D, Wu H, Zhou W, Gan HX, Tong YW, Jiang J, Zhao D. Porous organic cages as synthetic water channels. Nat Commun 2020; 11:4927. [PMID: 33004793 PMCID: PMC7530991 DOI: 10.1038/s41467-020-18639-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Accepted: 09/03/2020] [Indexed: 02/05/2023] Open
Abstract
Nature has protein channels (e.g., aquaporins) that preferentially transport water molecules while rejecting even the smallest hydrated ions. Aspirations to create robust synthetic counterparts have led to the development of a few one-dimensional channels. However, replicating the performance of the protein channels in these synthetic water channels remains a challenge. In addition, the dimensionality of the synthetic water channels also imposes engineering difficulties to align them in membranes. Here we show that zero-dimensional porous organic cages (POCs) with nanoscale pores can effectively reject small cations and anions while allowing fast water permeation (ca. 109 water molecules per second) on the same magnitude as that of aquaporins. Water molecules are found to preferentially flow in single-file, branched chains within the POCs. This work widens the choice of water channel morphologies for water desalination applications.
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Affiliation(s)
- Yi Di Yuan
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore, Singapore
| | - Jinqiao Dong
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore, Singapore
| | - Jie Liu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore, Singapore
| | - Daohui Zhao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore, Singapore
| | - Hui Wu
- NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, 20899-6102, USA
| | - Wei Zhou
- NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, 20899-6102, USA
| | - Hui Xian Gan
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore, Singapore
- National University of Singapore, NUS Environmental Research Institute (NERI), 117411, Singapore, Singapore
| | - Yen Wah Tong
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore, Singapore
- National University of Singapore, NUS Environmental Research Institute (NERI), 117411, Singapore, Singapore
| | - Jianwen Jiang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore, Singapore.
| | - Dan Zhao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore, Singapore.
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18
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Tosolini M, Avó J, Parola AJ, Balducci G, Tecilla P. Sterically Encumbered 4,5‐Bis(diphenylphosphino)acenaphthene Ligand and Its Ni(II), Pd(II), Pt(II), and Cu(I) Complexes. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000640] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Massimo Tosolini
- Department of Chemical and Pharmaceutical Science University of Trieste Via Giorgieri 1 34127 Trieste Italy
| | - João Avó
- IBB‐Institute for Bioengineering and Biosciences Instituto Superior Técnico Universidade de Lisboa Lisbon Portugal
| | - António Jorge Parola
- LAQVREQUIMTE Department of Chemistry Universidade NOVA de Lisboa Campus da Caparica 2829‐516 Caparica Portugal
| | - Gabriele Balducci
- Department of Chemical and Pharmaceutical Science University of Trieste Via Giorgieri 1 34127 Trieste Italy
| | - Paolo Tecilla
- Department of Mathematic and Geosciences University of Trieste Via Weiss 2 1 34127 Trieste Italy
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19
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Peters AD, Borsley S, Della Sala F, Cairns-Gibson DF, Leonidou M, Clayden J, Whitehead GFS, Vitórica-Yrezábal IJ, Takano E, Burthem J, Cockroft SL, Webb SJ. Switchable foldamer ion channels with antibacterial activity. Chem Sci 2020; 11:7023-7030. [PMID: 32953034 PMCID: PMC7481839 DOI: 10.1039/d0sc02393k] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 06/04/2020] [Indexed: 12/19/2022] Open
Abstract
Synthetic ion channels may have applications in treating channelopathies and as new classes of antibiotics, particularly if ion flow through the channels can be controlled. Here we describe triazole-capped octameric α-aminoisobutyric acid (Aib) foldamers that "switch on" ion channel activity in phospholipid bilayers upon copper(ii) chloride addition; activity is "switched off" upon copper(ii) extraction. X-ray crystallography showed that CuCl2 complexation gave chloro-bridged foldamer dimers, with hydrogen bonds between dimers producing channels within the crystal structure. These interactions suggest a pathway for foldamer self-assembly into membrane ion channels. The copper(ii)-foldamer complexes showed antibacterial activity against B. megaterium strain DSM319 that was similar to the peptaibol antibiotic alamethicin, but with 90% lower hemolytic activity.
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Affiliation(s)
- Anna D Peters
- Department of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , UK .
- Manchester Institute of Biotechnology , University of Manchester , 131 Princess St , Manchester M1 7DN , UK
| | - Stefan Borsley
- Department of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , UK .
- EaStCHEM School of Chemistry , University of Edinburgh , Joseph Black Building, David Brewster Road , Edinburgh EH9 3FJ , UK
| | - Flavio Della Sala
- Department of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , UK .
- Manchester Institute of Biotechnology , University of Manchester , 131 Princess St , Manchester M1 7DN , UK
| | - Dominic F Cairns-Gibson
- EaStCHEM School of Chemistry , University of Edinburgh , Joseph Black Building, David Brewster Road , Edinburgh EH9 3FJ , UK
| | - Marios Leonidou
- Department of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , UK .
- Manchester Institute of Biotechnology , University of Manchester , 131 Princess St , Manchester M1 7DN , UK
| | - Jonathan Clayden
- School of Chemistry , University of Bristol , Cantock's Close , Bristol BS8 1TS , UK
| | - George F S Whitehead
- Department of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , UK .
| | | | - Eriko Takano
- Department of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , UK .
- Manchester Institute of Biotechnology , University of Manchester , 131 Princess St , Manchester M1 7DN , UK
| | - John Burthem
- Department of Haematology , Manchester Royal Infirmary , Manchester University NHS Foundation Trust , Manchester M13 9WL , UK
- Division of Cancer Sciences , School of Medical Sciences , University of Manchester , Manchester , UK
| | - Scott L Cockroft
- EaStCHEM School of Chemistry , University of Edinburgh , Joseph Black Building, David Brewster Road , Edinburgh EH9 3FJ , UK
| | - Simon J Webb
- Department of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , UK .
- Manchester Institute of Biotechnology , University of Manchester , 131 Princess St , Manchester M1 7DN , UK
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20
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Kerckhoffs A, Langton MJ. Reversible photo-control over transmembrane anion transport using visible-light responsive supramolecular carriers. Chem Sci 2020; 11:6325-6331. [PMID: 32953027 PMCID: PMC7472928 DOI: 10.1039/d0sc02745f] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 06/04/2020] [Indexed: 12/15/2022] Open
Abstract
Supramolecular anion carriers responsive to visible light enable reversible two-colour photo-control over transmembrane anion transport.
Ion transport across lipid bilayer membranes in biology is controlled by membrane proteins, which in turn are regulated in response to chemical-, physical- and photo-stimuli. The design of synthetic supramolecular ion transporters able to be precisely controlled by external signals, in particular bio-compatible wavelengths of visible light, is key for achieving spatio-temporal control over function. Here we report two-colour responsive molecular photo-switches that act as supramolecular transmembrane anion carriers. Reversible switching of the photo-switch within the lipid bilayer membrane is achieved using biocompatible visible wavelengths of light, such that temporal control over transmembrane anion transport is achieved through alternating irradiation with red and blue light.
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Affiliation(s)
- Aidan Kerckhoffs
- Chemistry Research Laboratory , University of Oxford , Mansfield Road , Oxford , OX1 3TA , UK .
| | - Matthew J Langton
- Chemistry Research Laboratory , University of Oxford , Mansfield Road , Oxford , OX1 3TA , UK .
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21
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Shen Y, Zhong Y, Fei F, Sun J, Czajkowsky DM, Gong B, Shao Z. Ultrasensitive liposome-based assay for the quantification of fundamental ion channel properties. Anal Chim Acta 2020; 1112:8-15. [PMID: 32334685 DOI: 10.1016/j.aca.2020.03.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 02/16/2020] [Accepted: 03/22/2020] [Indexed: 10/24/2022]
Abstract
One of the most widely used approaches to characterize transmembrane ion transport through nanoscale synthetic or biological channels is a straightforward, liposome-based assay that monitors changes in ionic flux across the vesicle membrane using pH- or ion-sensitive dyes. However, failure to account for the precise experimental conditions, in particular the complete ionic composition on either side of the membrane and the inherent permeability of ions through the lipid bilayer itself, can prevent quantifications and lead to fundamentally incorrect conclusions. Here we present a quantitative model for this assay based on the Goldman-Hodgkin-Katz flux theory, which enables accurate measurements and identification of optimal conditions for the determination of ion channel permeability and selectivity. Based on our model, the detection sensitivity of channel permeability is improved by two orders of magnitude over the commonly used experimental conditions. Further, rather than obtaining qualitative preferences of ion selectivity as is typical, we determine quantitative values of these parameters under rigorously controlled conditions even when the experimental results would otherwise imply (without our model) incorrect behavior. We anticipate that this simply employed ultrasensitive assay will find wide application in the quantitative characterization of synthetic or biological ion channels.
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Affiliation(s)
- Yi Shen
- Bio-ID Center, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yulong Zhong
- Department of Chemistry, The State University of New York at Buffalo, Buffalo, NY, 14260, United States
| | - Fan Fei
- Bio-ID Center, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Jielin Sun
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Daniel M Czajkowsky
- Bio-ID Center, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
| | - Bing Gong
- Department of Chemistry, The State University of New York at Buffalo, Buffalo, NY, 14260, United States.
| | - Zhifeng Shao
- Bio-ID Center, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
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22
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Shinde SV, Talukdar P. Transmembrane H+/Cl− cotransport activity of bis(amido)imidazole receptors. Org Biomol Chem 2019; 17:4483-4490. [DOI: 10.1039/c9ob00554d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Bis(amide) appended imidazole having a sickle-shaped trivalent hydrogen-bonding structure reported as a transmembrane H+/Cl− symporter.
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Affiliation(s)
- Sopan Valiba Shinde
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
| | - Pinaki Talukdar
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
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23
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Mondal D, Sathyan A, Shinde SV, Mishra KK, Talukdar P. Tripodal cyanurates as selective transmembrane Cl− transporters. Org Biomol Chem 2018; 16:8690-8694. [DOI: 10.1039/c8ob01345d] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Tris-carboxyamide and tris-sulfonamide-based anion receptors with cyanuric acid core are developed for transmembrane chloride transport.
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Affiliation(s)
- Debashis Mondal
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
| | - Anjana Sathyan
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
| | - Sopan V. Shinde
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
| | - Kamal K. Mishra
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
| | - Pinaki Talukdar
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
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24
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Schettini R, Costabile C, Della Sala G, Buirey J, Tosolini M, Tecilla P, Vaccaro MC, Bruno I, De Riccardis F, Izzo I. Tuning the biomimetic performances of 4-hydroxyproline-containing cyclic peptoids. Org Biomol Chem 2018; 16:6708-6717. [DOI: 10.1039/c8ob01522h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Five new cyclic peptoids containing (2S,4R)-4-hydroxyproline (Hyp) residues have been designed and synthesized using a mixed “submonomer/monomer” approach.
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Affiliation(s)
- R. Schettini
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano (SA) 84084
- Italy
| | - C. Costabile
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano (SA) 84084
- Italy
| | - G. Della Sala
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano (SA) 84084
- Italy
| | - J. Buirey
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano (SA) 84084
- Italy
| | - M. Tosolini
- Department of Chemical and Pharmaceutical Sciences
- University of Trieste
- Trieste 34127
- Italy
| | - P. Tecilla
- Department of Chemical and Pharmaceutical Sciences
- University of Trieste
- Trieste 34127
- Italy
| | - M. C. Vaccaro
- Department of Pharmacy
- University of Salerno
- Fisciano (SA) 84084
- Italy
| | - I. Bruno
- Department of Pharmacy
- University of Salerno
- Fisciano (SA) 84084
- Italy
| | - F. De Riccardis
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano (SA) 84084
- Italy
| | - I. Izzo
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano (SA) 84084
- Italy
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25
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Shinde SV, Talukdar P. An anion receptor that facilitates transmembrane proton–anion symport by deprotonating its sulfonamide N–H proton. Chem Commun (Camb) 2018; 54:10351-10354. [DOI: 10.1039/c8cc04044c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Indole-based amide-sulfonamide derivatives were synthesized. The X-ray crystal structure and chloride binding studies in solution showed a 1 : 1 stoichiometry. The ion transport study indicated the proton–anion symport across the lipid bilayer membrane.
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Affiliation(s)
- Sopan Valiba Shinde
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
| | - Pinaki Talukdar
- Department of Chemistry
- Indian Institute of Science Education and Research Pune
- Pune 411008
- India
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26
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Behera H, Madhavan N. Anion-Selective Cholesterol Decorated Macrocyclic Transmembrane Ion Carriers. J Am Chem Soc 2017; 139:12919-12922. [DOI: 10.1021/jacs.7b07479] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Harekrushna Behera
- Department
of Chemistry, Indian Institute of Technology, Madras, Tamil Nadu 600036, India
| | - Nandita Madhavan
- Department
of Chemistry, Indian Institute of Technology, Madras, Tamil Nadu 600036, India
- Indian Institute of Technology, Bombay, Maharashtra 400076, India
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27
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D'Amato A, Volpe R, Vaccaro MC, Terracciano S, Bruno I, Tosolini M, Tedesco C, Pierri G, Tecilla P, Costabile C, Della Sala G, Izzo I, De Riccardis F. Cyclic Peptoids as Mycotoxin Mimics: An Exploration of Their Structural and Biological Properties. J Org Chem 2017; 82:8848-8863. [PMID: 28763612 DOI: 10.1021/acs.joc.7b00965] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cyclic peptoids have recently emerged as important examples of peptidomimetics for their interesting complexing properties and innate ability to permeate biological barriers. In the present contribution, experimental and theoretical data evidence the intricate conformational and stereochemical properties of five novel hexameric peptoids decorated with N-isopropyl, N-isobutyl, and N-benzyl substituents. Complexation studies by NMR, in the presence of sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate (NaTFPB), theoretical calculations, and single-crystal X-ray analyses indicate that the conformationally stable host/guest metal adducts display architectural ordering comparable to that of the enniatins and beauvericin mycotoxins. Similarly to the natural depsipeptides, the synthetic oligolactam analogues show a correlation between ion transport abilities in artificial liposomes and cytotoxic activity on human cancer cell lines. The reported results demonstrate that the versatile cyclic peptoid scaffold, for its remarkable conformational and complexing properties, can morphologically mimic related natural products and elicit powerful biological activities.
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Affiliation(s)
| | | | | | | | | | - Massimo Tosolini
- Department of Chemical and Pharmaceutical Sciences, University of Trieste , Via Giorgieri, 1, Trieste 34127, Italy
| | | | | | - Paolo Tecilla
- Department of Chemical and Pharmaceutical Sciences, University of Trieste , Via Giorgieri, 1, Trieste 34127, Italy
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28
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Benke BP, Aich P, Kim Y, Kim KL, Rohman MR, Hong S, Hwang IC, Lee EH, Roh JH, Kim K. Iodide-Selective Synthetic Ion Channels Based on Shape-Persistent Organic Cages. J Am Chem Soc 2017; 139:7432-7435. [DOI: 10.1021/jacs.7b02708] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bahiru Punja Benke
- Center
for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
| | - Pulakesh Aich
- Center
for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
| | - Younghoon Kim
- Department
of Chemistry, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
| | - Kyung Lock Kim
- Center
for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
| | - Md Rumum Rohman
- Center
for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
| | - Soonsang Hong
- Center
for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
- Department
of Chemistry, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
| | - In-Chul Hwang
- Center
for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
| | - Eun Hui Lee
- Department
of Physiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Joon Ho Roh
- Center
for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
| | - Kimoon Kim
- Center
for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
- Department
of Chemistry, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
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29
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Meli A, Gambaro S, Costabile C, Talotta C, Della Sala G, Tecilla P, Milano D, Tosolini M, Izzo I, De Riccardis F. Synthesis and complexing properties of cyclic benzylopeptoids – a new family of extended macrocyclic peptoids. Org Biomol Chem 2016; 14:9055-9062. [DOI: 10.1039/c6ob01683a] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Members of a new class of cyclic “extended” peptoids (the “benzylopeptoids”) efficiently capture sodium ions with different stoichiometries depending on the ring morphology.
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Affiliation(s)
- A. Meli
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano
- Italy
| | - S. Gambaro
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano
- Italy
| | - C. Costabile
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano
- Italy
| | - C. Talotta
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano
- Italy
| | - G. Della Sala
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano
- Italy
| | - P. Tecilla
- Department of Chemical and Pharmaceutical Sciences
- University of Trieste
- I-34127 Trieste
- Italy
| | - D. Milano
- Department of Chemical and Pharmaceutical Sciences
- University of Trieste
- I-34127 Trieste
- Italy
| | - M. Tosolini
- Department of Chemical and Pharmaceutical Sciences
- University of Trieste
- I-34127 Trieste
- Italy
| | - I. Izzo
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano
- Italy
| | - F. De Riccardis
- Department of Chemistry and Biology “A. Zambelli”
- University of Salerno
- Fisciano
- Italy
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30
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Rodríguez-Vázquez N, Fuertes A, Amorín M, Granja JR. Bioinspired Artificial Sodium and Potassium Ion Channels. Met Ions Life Sci 2016; 16:485-556. [DOI: 10.1007/978-3-319-21756-7_14] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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31
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Benincasa M, Francescon M, Fregonese M, Gennaro R, Pengo P, Rossi P, Scrimin P, Tecilla P. Helical peptide-polyamine and -polyether conjugates as synthetic ionophores. Bioorg Med Chem 2015; 23:7386-93. [PMID: 26558517 DOI: 10.1016/j.bmc.2015.10.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 10/21/2015] [Accepted: 10/23/2015] [Indexed: 10/22/2022]
Abstract
Two new synthetic ionophores in which the hydrophobic portion is represented by a short helical Aib-peptide (Aib=α-amino-isobutyric acid) and the hydrophilic one is a poly-amino (1a) or a polyether (1b) chain have been prepared. The two conjugates show a high ionophoric activity in phospholipid membranes being able to efficiently dissipate a pH gradient and, in the case of 1b, to transport Na(+) across the membrane. Bioactivity evaluation of the two conjugates shows that 1a has a moderate antimicrobial activity against a broad spectrum of microorganisms and it is able to permeabilize the inner and the outer membrane of Escherichia coli cells.
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Affiliation(s)
- Monica Benincasa
- University of Trieste, Department of Life Sciences, via Giorgieri 5, I-34127 Trieste, Italy
| | - Marco Francescon
- University of Trieste, Department of Chemical and Pharmaceutical Sciences, via Giorgieri 1, I-34127 Trieste, Italy
| | - Massimo Fregonese
- University of Trieste, Department of Chemical and Pharmaceutical Sciences, via Giorgieri 1, I-34127 Trieste, Italy
| | - Renato Gennaro
- University of Trieste, Department of Life Sciences, via Giorgieri 5, I-34127 Trieste, Italy.
| | - Paolo Pengo
- University of Trieste, Department of Chemical and Pharmaceutical Sciences, via Giorgieri 1, I-34127 Trieste, Italy
| | - Paola Rossi
- University of Trieste, Department of Chemical and Pharmaceutical Sciences, via Giorgieri 1, I-34127 Trieste, Italy
| | - Paolo Scrimin
- University of Padova, Department of Chemical Sciences, via Marzolo 1, I-35131 Padova, Italy.
| | - Paolo Tecilla
- University of Trieste, Department of Chemical and Pharmaceutical Sciences, via Giorgieri 1, I-34127 Trieste, Italy.
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32
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Mahon E, Garai S, Müller A, Barboiu M. Biomimetic Approach for Ion Channels Based on Surfactant Encapsulated Spherical Porous Metal-Oxide Capsules. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:5165-5170. [PMID: 26248195 DOI: 10.1002/adma.201501255] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 06/28/2015] [Indexed: 06/04/2023]
Abstract
Distinguished hybrid clusters with hydrophilic and hydrophobic interiors embedded within cationic surfactant shells are spontaneously inserted into lipid bilayers, showing well-defined ionic conductance behaviors. The transport via the narrow pore gates acting as selectivity filters is controlled by the dehydration energy of the cations.
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Affiliation(s)
- Eugene Mahon
- Adaptive Supramolecular Nanosystems Group, Institut Européen des Membranes, ENSCM-UMII-CNRS UMR-5635, Place Eugène Bataillon, CC 047, F-34095, Montpellier, France
| | - Somenath Garai
- Universität Bielefeld, Fakultät für Chemie, Postfach 100131, 33501, Bielefeld, Germany
| | - Achim Müller
- Universität Bielefeld, Fakultät für Chemie, Postfach 100131, 33501, Bielefeld, Germany
| | - Mihail Barboiu
- Adaptive Supramolecular Nanosystems Group, Institut Européen des Membranes, ENSCM-UMII-CNRS UMR-5635, Place Eugène Bataillon, CC 047, F-34095, Montpellier, France
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33
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Benke BP, Madhavan N. Aminobenzoic acid incorporated octapeptides for cation transport. Bioorg Med Chem 2015; 23:1413-20. [DOI: 10.1016/j.bmc.2015.02.031] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 02/16/2015] [Accepted: 02/17/2015] [Indexed: 01/03/2023]
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34
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Musumeci D, Irace C, Santamaria R, Milano D, Tecilla P, Montesarchio D. Guanine-based amphiphiles: synthesis, ion transport properties and biological activity. Bioorg Med Chem 2015; 23:1149-56. [DOI: 10.1016/j.bmc.2014.12.055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 12/18/2014] [Accepted: 12/22/2014] [Indexed: 12/17/2022]
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35
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Saha T, Dasari S, Tewari D, Prathap A, Sureshan KM, Bera AK, Mukherjee A, Talukdar P. Hopping-Mediated Anion Transport through a Mannitol-Based Rosette Ion Channel. J Am Chem Soc 2014; 136:14128-35. [DOI: 10.1021/ja506278z] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Tanmoy Saha
- Department
of Chemistry, Indian Institute of Science Education and Research Pune, Pune, Maharashtra 411008, India
| | - Sathish Dasari
- Department
of Chemistry, Indian Institute of Science Education and Research Pune, Pune, Maharashtra 411008, India
| | - Debanjan Tewari
- Department
of Biotechnology, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Annamalai Prathap
- School
of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 695016, India
| | - Kana M. Sureshan
- School
of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 695016, India
| | - Amal K. Bera
- Department
of Biotechnology, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Arnab Mukherjee
- Department
of Chemistry, Indian Institute of Science Education and Research Pune, Pune, Maharashtra 411008, India
| | - Pinaki Talukdar
- Department
of Chemistry, Indian Institute of Science Education and Research Pune, Pune, Maharashtra 411008, India
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Berezin SK. Synthetic Anionophores for Basic Anions as “Presumably, OH−/Cl− Antiporters”: From the Synthetic Ion Channels to Multi-ion Hopping, Anti-Hofmeister Selectivity, and Strong Positive AMFE. J Membr Biol 2014; 247:651-65. [DOI: 10.1007/s00232-014-9683-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Accepted: 05/13/2014] [Indexed: 12/31/2022]
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Gong B, Shao Z. Self-assembling organic nanotubes with precisely defined, sub-nanometer pores: formation and mass transport characteristics. Acc Chem Res 2013; 46:2856-66. [PMID: 23597055 DOI: 10.1021/ar400030e] [Citation(s) in RCA: 160] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The transport of molecules and ions across nanometer-scaled pores, created by natural or artificial molecules, is a phenomenon of both fundamental and practical significance. Biological channels are the most remarkable examples of mass transport across membranes and demonstrate nearly exclusive selectivity and high efficiency with a diverse collection of molecules. These channels are critical for many basic biological functions, such as membrane potential, signal transduction, and osmotic homeostasis. If such highly specific and efficient mass transport or separation could be achieved with artificial nanostructures under controlled conditions, they could create revolutionary technologies in a variety of areas. For this reason, investigators from diverse disciplines have vigorously studied small nondeformable nanopores. The most exciting studies have focused on carbon nanotubes (CNTs), which have exhibited fast mass transport and high ion selectivity despite their very simple structure. However, the limitations of CNTs and the dearth of other small (≤2 nm) nanopores have severely hampered the systematic investigation of nanopore-mediated mass transport, which will be essential for designing artificial nanopores with desired functions en masse. Researchers can overcome the difficulties associated with CNT and other artificial pores by stacking macrocyclic building blocks with persistent shapes to construct tunable, self-assembling organic pores. This effort started when we discovered a highly efficient, one-pot macrocyclization process to efficiently prepare several classes of macrocycles with rigid backbones containing nondeformable cavities. Such macrocycles, if stacked atop one another, should lead to nanotubular assemblies with defined inner pores determined by their constituent macrocycles. One class of macrocycles with aromatic oligoamide backbones had a very high propensity for directional assembly, forming nanotubular structures containing nanometer and sub-nanometer hydrophilic pores. These self-assembling hydrophilic pores can form ion channels in lipid membranes with very large ion conductances. To control the assembly, we have further introduced multiple hydrogen-bonding side chains to enforce the stacking of rigid macrocycles into self-assembling nanotubes. This strategy has produced a self-assembling, sub-nanometer hydrophobic pore that not only acted as a transmembrane channel with surprisingly high ion selectivity, but also mediated a significant transmembrane water flux. The stacking of rigid macrocycles that can be chemically modified in either the lumen or the exterior surface can produce self-assembling organic nanotubes with inner pores of defined sizes. The combination of our approach with the availability and synthetic tunability of various rigid macrocycles should produce a variety of organic nanopores. Such structures would allow researchers to systematically explore mass transport in the sub-nanometer regime. Further advances should lead to novel applications such as biosensing, materials separation, and molecular purifications.
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Affiliation(s)
- Bing Gong
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Zhifeng Shao
- Key Laboratory of Systems Biomedicine, State Key Laboratory for Oncogenes & Related Genes and School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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De Riccardis F, Izzo I, Montesarchio D, Tecilla P. Ion transport through lipid bilayers by synthetic ionophores: modulation of activity and selectivity. Acc Chem Res 2013; 46:2781-90. [PMID: 23534613 DOI: 10.1021/ar4000136] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The ion-coupled processes that occur in the plasma membrane regulate the cell machineries in all the living organisms. The details of the chemical events that allow ion transport in biological systems remain elusive. However, investigations of the structure and function of natural and artificial transporters has led to increasing insights about the conductance mechanisms. Since the publication of the first successful artificial system by Tabushi and co-workers in 1982, synthetic chemists have designed and constructed a variety of chemically diverse and effective low molecular weight ionophores. Despite their relative structural simplicity, ionophores must satisfy several requirements. They must partition in the membrane, interact specifically with ions, shield them from the hydrocarbon core of the phospholipid bilayer, and transport ions from one side of the membrane to the other. All these attributes require amphipathic molecules in which the polar donor set used for ion recognition (usually oxygens for cations and hydrogen bond donors for anions) is arranged on a lipophilic organic scaffold. Playing with these two structural motifs, donor atoms and scaffolds, researchers have constructed a variety of different ionophores, and we describe a subset of interesting examples in this Account. Despite the ample structural diversity, structure/activity relationships studies reveal common features. Even when they include different hydrophilic moieties (oxyethylene chains, free hydroxyl, etc.) and scaffolds (steroid derivatives, neutral or polar macrocycles, etc.), amphipathic molecules, that cannot span the entire phospholipid bilayer, generate defects in the contact zone between the ionophore and the lipids and increase the permeability in the bulk membrane. Therefore, topologically complex structures that span the entire membrane are needed to elicit channel-like and ion selective behaviors. In particular the alternate-calix[4]arene macrocycle proved to be a versatile platform to obtain 3D-structures that can form unimolecular channels in membranes. In these systems, the selection of proper donor groups allows us to control the ion selectivity of the process. We can switch from cation to anion transport by substituting protonated amines for the oxygen donors. Large and stable tubular structures with nanometric sized transmembrane nanopores that provide ample internal space represent a different approach for the preparation of synthetic ion channels. We used the metal-mediated self-assembly of porphyrin ligands with Re(I) corners as a new method for producing to robust channel-like structures. Such structures can survive in the complex membrane environment and show interesting ionophoric behavior. In addition to the development of new design principles, the selective modification of the biological membrane permeability could lead to important developments in medicine and technology.
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Affiliation(s)
- Francesco De Riccardis
- Department of Chemistry and Biology, University of Salerno, via Ponte don Melillo, I-84084 Fisciano (SA), Italy
| | - Irene Izzo
- Department of Chemistry and Biology, University of Salerno, via Ponte don Melillo, I-84084 Fisciano (SA), Italy
| | - Daniela Montesarchio
- Department of Chemical Sciences, University Federico II of Napoli, Via Cintia, 4, I-80126 Napoli, Italy
| | - Paolo Tecilla
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, I-34127, Trieste, Italy
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39
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Licen S, Bagnacani V, Baldini L, Casnati A, Sansone F, Giannetto M, Pengo P, Tecilla P. Anion transport across phospholipid bilayers promoted by a guanidinium calix[4]arene conjugate. Supramol Chem 2013. [DOI: 10.1080/10610278.2013.824576] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Sabina Licen
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Giorgieri 1, 34127 Trieste, Italy
| | - Valentina Bagnacani
- Department of Chemistry, University of Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Laura Baldini
- Department of Chemistry, University of Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Alessandro Casnati
- Department of Chemistry, University of Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Francesco Sansone
- Department of Chemistry, University of Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Marco Giannetto
- Department of Chemistry, University of Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Paolo Pengo
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Giorgieri 1, 34127 Trieste, Italy
| | - Paolo Tecilla
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Giorgieri 1, 34127 Trieste, Italy
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40
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Berezin SK. Theoretical modelling of anion transport in liposomes: electrogenic anion exchange as a new paradigm in supramolecular chemistry. Supramol Chem 2013. [DOI: 10.1080/10610278.2013.782099] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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41
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Abstract
A stable tetraporphyrin metallacycle with Re(I) corners (1) is capable of forming nanopores in a liposomial membrane, provided that the porphyrin units are properly functionalized with peripheral carboxylic acid residues that, by establishing an hydrogen bond network, allow the formation of dimers that span the depth of the membrane.
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Affiliation(s)
- Mariangela Boccalon
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, I-34127, Trieste, Italy
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42
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Zhou X, Liu G, Yamato K, Shen Y, Cheng R, Wei X, Bai W, Gao Y, Li H, Liu Y, Liu F, Czajkowsky DM, Wang J, Dabney MJ, Cai Z, Hu J, Bright FV, He L, Zeng XC, Shao Z, Gong B. Self-assembling subnanometer pores with unusual mass-transport properties. Nat Commun 2012; 3:949. [DOI: 10.1038/ncomms1949] [Citation(s) in RCA: 149] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2012] [Accepted: 06/11/2012] [Indexed: 11/09/2022] Open
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43
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44
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Simeone L, Milano D, De Napoli L, Irace C, Di Pascale A, Boccalon M, Tecilla P, Montesarchio D. Design, synthesis and characterisation of guanosine-based amphiphiles. Chemistry 2011; 17:13854-65. [PMID: 22052615 DOI: 10.1002/chem.201101827] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2011] [Revised: 08/16/2011] [Indexed: 11/05/2022]
Abstract
A small library of sugar-modified guanosine derivatives has been prepared, starting from a common intermediate, fully protected on the nucleobase. Insertion of myristoyl chains and of diverse hydrophilic groups, such as an oligoethylene glycol, an amino acid or a disaccharide chain, connected through in vivo reversible ester linkages, or of a charged functional group provided different examples of amphiphilic guanosine analogues, named G1-G7 herein. All of the sugar-modified derivatives were positive in the potassium picrate test, showing an ability to form G-tetrads. CD spectra demonstrated that, as dilute solutions in CHCl(3), distinctive G-quadruplex systems may be formed, with spatial organisations dependent upon the structural modifications. Two compounds, G1 and G2, proved to be good low-molecular-weight organogelators in polar organic solvents, such as methanol, ethanol and acetonitrile. Ion transportation experiments through phospholipid bilayers were carried out to evaluate their ability to mediate H(+) transportation, with G5 showing the highest activity within the investigated series. Moreover, G3 and G5 exhibited a significant cytotoxic profile against human MCF-7 cancer cells in in vitro bioassays.
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Affiliation(s)
- Luca Simeone
- Department of Organic Chemistry and Biochemistry, University Federico II of Napoli, Via Cintia, 4, 80126 Napoli, Italy
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45
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Coppola C, Paciello A, Mangiapia G, Licen S, Boccalon M, De Napoli L, Paduano L, Tecilla P, Montesarchio D. Design, Synthesis and Characterisation of a Fluorescently Labelled CyPLOS Ionophore. Chemistry 2010; 16:13757-72. [DOI: 10.1002/chem.201000611] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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46
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Davis JT, Okunola O, Quesada R. Recent advances in the transmembrane transport of anions. Chem Soc Rev 2010; 39:3843-62. [DOI: 10.1039/b926164h] [Citation(s) in RCA: 283] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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47
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Duan C, Wei M, Guo D, He C, Meng Q. Crystal Structures and Properties of Large Protonated Water Clusters Encapsulated by Metal−Organic Frameworks. J Am Chem Soc 2009; 132:3321-30. [DOI: 10.1021/ja907023c] [Citation(s) in RCA: 142] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Chunying Duan
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China, and State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, P. R. China
| | - Meilin Wei
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China, and State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, P. R. China
| | - Dong Guo
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China, and State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, P. R. China
| | - Cheng He
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China, and State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, P. R. China
| | - Qingjin Meng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, P. R. China, and State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, P. R. China
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48
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Hennig A, Fischer L, Guichard G, Matile S. Anion−Macrodipole Interactions: Self-Assembling Oligourea/Amide Macrocycles as Anion Transporters that Respond to Membrane Polarization. J Am Chem Soc 2009; 131:16889-95. [DOI: 10.1021/ja9067518] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Andreas Hennig
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland, and CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, Strasbourg, France
| | - Lucile Fischer
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland, and CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, Strasbourg, France
| | - Gilles Guichard
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland, and CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, Strasbourg, France
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland, and CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, Strasbourg, France
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49
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Licen S, Coppola C, D'Onofrio J, Montesarchio D, Tecilla P. CyPLOS: a new family of synthetic ionophores. Org Biomol Chem 2009; 7:1060-3. [DOI: 10.1039/b820906e] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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50
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De Cola C, Licen S, Comegna D, Cafaro E, Bifulco G, Izzo I, Tecilla P, De Riccardis F. Size-dependent cation transport by cyclic α-peptoid ion carriers. Org Biomol Chem 2009; 7:2851-4. [DOI: 10.1039/b905665c] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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