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Yang K, Wang R, Lu J, Wang J, Liao X, Wang C. A covalent organic framework nanosheet-nanochannel composite with signal amplification strategy for electrochemical enantioselective recognition. Talanta 2024; 277:126331. [PMID: 38823324 DOI: 10.1016/j.talanta.2024.126331] [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: 05/18/2024] [Accepted: 05/27/2024] [Indexed: 06/03/2024]
Abstract
Recognition and separation of chiral isomers are of great importance in both industrial and biological applications. However, owing to identical molecular formulas and chemical properties of enantiomers, signal transduction and amplification are still two major challenges in chiral sensing. In this study, we developed an enantioselective device by integrating chiral covalent organic framework nanosheets (CONs) with nanochannels for sensitive identification and quantification of enantiomers. Using 3,4-dihydroxyphenylalanine (DOPA) as the model analyte, the as-prepared chiral nanofluidic device exhibits a remarkable chiral recognition ability to l-DOPA than d-DOPA. More importantly, due to the chelation of DOPA with Fe3+ ions, it can efficiently block the ion transport through channel and shield the channel surface charge, which will amplify the difference in the electrochemical response of l-DOPA and d-DOPA. Therefore, a sensitive chiral recognition can be achieved using the present nanofluidic device coupled using electrochemical amplification strategy. Notably, using this method, an ultra-low concentration of l-DOPA (as low as 0.21 pM) can be facilely and successfully detected with a linear range of 1 pM-10 μM. This study provides a reliable and sensitive approach for achieving highly selective detection of chiral molecules.
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Affiliation(s)
- Kun Yang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Ruyi Wang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Junjian Lu
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China; Honors college, Nanjing Normal University, Nanjing, 210023, China
| | - Jin Wang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Xuewei Liao
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China; Analytical & Testing Center, Nanjing Normal University, Nanjing, 210023, China.
| | - Chen Wang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China.
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2
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Berthiol F, Boissieras J, Bonnet H, Pierrot M, Philouze C, Poisson JF, Granzhan A, Dejeu J, Defrancq E. Novel Synthesis of IMC-48 and Affinity Evaluation with Different i-Motif DNA Sequences. Molecules 2023; 28:molecules28020682. [PMID: 36677740 PMCID: PMC9865601 DOI: 10.3390/molecules28020682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
During the last decade, the evidence for the biological relevance of i-motif DNA (i-DNA) has been accumulated. However, relatively few molecules were reported to interact with i-DNA, and a controversy concerning their binding mode, affinity, and selectivity persists in the literature. In this context, the cholestane derivative IMC-48 has been reported to modulate bcl-2 gene expression by stabilizing an i-motif structure in its promoter. In the present contribution, we report on a novel, more straightforward, synthesis of IMC-48 requiring fewer steps compared to the previous approach. Furthermore, the interaction of IMC-48 with four different i-motif DNA sequences was thoroughly investigated by bio-layer interferometry (BLI) and circular dichroism (CD) spectroscopy. Surprisingly, our results show that IMC-48 is a very weak ligand of i-DNA as no quantifiable interaction or significant stabilization of i-motif structures could be observed, stimulating a quest for an alternative mechanism of its biological activity.
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Affiliation(s)
- Florian Berthiol
- Department of Molecular Chemistry (DCM), CNRS, UMR 5250, Université Grenoble-Alpes, 38000 Grenoble, France
- Correspondence: (F.B.); (J.D.); (E.D.)
| | - Joseph Boissieras
- CNRS UMR9187, INSERM U1196, Institut Curie, PSL Research University, F-91405 Orsay, France
- CNRS UMR9187, INSERM U1196, Université Paris Saclay, F-91405 Orsay, France
| | - Hugues Bonnet
- Department of Molecular Chemistry (DCM), CNRS, UMR 5250, Université Grenoble-Alpes, 38000 Grenoble, France
| | - Marie Pierrot
- Department of Molecular Chemistry (DCM), CNRS, UMR 5250, Université Grenoble-Alpes, 38000 Grenoble, France
| | - Christian Philouze
- Department of Molecular Chemistry (DCM), CNRS, UMR 5250, Université Grenoble-Alpes, 38000 Grenoble, France
| | - Jean-François Poisson
- Department of Molecular Chemistry (DCM), CNRS, UMR 5250, Université Grenoble-Alpes, 38000 Grenoble, France
| | - Anton Granzhan
- CNRS UMR9187, INSERM U1196, Institut Curie, PSL Research University, F-91405 Orsay, France
- CNRS UMR9187, INSERM U1196, Université Paris Saclay, F-91405 Orsay, France
| | - Jérôme Dejeu
- Department of Molecular Chemistry (DCM), CNRS, UMR 5250, Université Grenoble-Alpes, 38000 Grenoble, France
- FEMTO-ST Institute, CNRS UMR-6174, Université de Bourgogne Franche-Comté, F-25000 Besançon, France
- Correspondence: (F.B.); (J.D.); (E.D.)
| | - Eric Defrancq
- Department of Molecular Chemistry (DCM), CNRS, UMR 5250, Université Grenoble-Alpes, 38000 Grenoble, France
- Correspondence: (F.B.); (J.D.); (E.D.)
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3
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Metal-Chelating Peptides Separation Using Immobilized Metal Ion Affinity Chromatography: Experimental Methodology and Simulation. SEPARATIONS 2022. [DOI: 10.3390/separations9110370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Metal-Chelating Peptides (MCPs), obtained from protein hydrolysates, present various applications in the field of nutrition, pharmacy, cosmetic etc. The separation of MCPs from hydrolysates mixture is challenging, yet, techniques based on peptide-metal ion interactions such as Immobilized Metal Ion Affinity Chromatography (IMAC) seem to be efficient. However, separation processes are time consuming and expensive, therefore separation prediction using chromatography modelling and simulation should be necessary. Meanwhile, the obtention of sorption isotherm for chromatography modelling is a crucial step. Thus, Surface Plasmon Resonance (SPR), a biosensor method efficient to screen MCPs in hydrolysates and with similarities to IMAC might be a good option to acquire sorption isotherm. This review highlights IMAC experimental methodology to separate MCPs and how, IMAC chromatography can be modelled using transport dispersive model and input data obtained from SPR for peptides separation simulation.
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4
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Liu Z, Zhang S, Cheng M, Yang L, Li G, Xu W, Qu H, Liang F, Cheng J, Li H. Highly enantioselective recognition of S-ibuprofen by a host–guest induced chiral nanochannel. Analyst 2022; 147:1803-1807. [DOI: 10.1039/d2an00310d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Schematic Illustration of the strategy for simulating biological channels to selectively recognize chiral drugs in the host–guest-based nanochannel.
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Affiliation(s)
- Zhuo Liu
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Siyun Zhang
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, International Joint Research Centre for Intelligent Biosensor Technology and Health, Chemical Biology Canter, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Ming Cheng
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, International Joint Research Centre for Intelligent Biosensor Technology and Health, Chemical Biology Canter, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Lei Yang
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, International Joint Research Centre for Intelligent Biosensor Technology and Health, Chemical Biology Canter, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Guang Li
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, International Joint Research Centre for Intelligent Biosensor Technology and Health, Chemical Biology Canter, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Weiwei Xu
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, International Joint Research Centre for Intelligent Biosensor Technology and Health, Chemical Biology Canter, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Haonan Qu
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, International Joint Research Centre for Intelligent Biosensor Technology and Health, Chemical Biology Canter, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Feng Liang
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Jing Cheng
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, International Joint Research Centre for Intelligent Biosensor Technology and Health, Chemical Biology Canter, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Haibing Li
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, International Joint Research Centre for Intelligent Biosensor Technology and Health, Chemical Biology Canter, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
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5
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Kahraman DT, Karaküçük-İyidoğan A, Saygideger Y, Oruç-Emre EE, Taskin-Tok T, Başaran E, İlhan S, Demir BS, Üren A, Bayram H. Discovery of new chiral sulfonamides bearing benzoxadiazole as HIF inhibitors for non-small cell lung cancer therapy: design, microwave-assisted synthesis, binding affinity, in vitro antitumoral activities and in silico studies. NEW J CHEM 2022. [DOI: 10.1039/d1nj03809e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Thirty-four chiral compounds having benzoxadiazole and sulfonamide moieties on the skeleton have been synthesized. The in vitro cytotoxic activity and apoptotic effects of these compounds have been evaluated using the A549 lung cancer cell line.
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Affiliation(s)
- Demet Taşdemir Kahraman
- Gaziantep University, Faculty of Medicine, Department of Medical Biochemistry, Cell Culture Laboratory, Gaziantep, Turkey
- Gaziantep University, Institute of Health Sciences, Department of Respiratory Biology, Gaziantep, Turkey
| | | | - Yasemin Saygideger
- Department of Chest Diseases, Cukurova University School of Medicine, Adana, Turkey
- Department of Translational Medicine, Institute of Health Sciences, Cukurova University, Adana, Turkey
- Georgetown University, Department of Oncology, Washington DC, USA
| | - Emine Elçin Oruç-Emre
- Gaziantep University, Faculty of Science and Arts, Department of Chemistry, Gaziantep, Turkey
| | - Tugba Taskin-Tok
- Gaziantep University, Faculty of Science and Arts, Department of Chemistry, Gaziantep, Turkey
- Gaziantep University, Institute of Health Sciences, Department of Bioinformatics and Computational Biology, Gaziantep, Turkey
| | - Eyüp Başaran
- Gaziantep University, Faculty of Science and Arts, Department of Chemistry, Gaziantep, Turkey
- Batman University, Department of Chemistry and Chemical Processing Technologies, Batman, Turkey
| | - Sedat İlhan
- Gaziantep University, Institute of Health Sciences, Department of Respiratory Biology, Gaziantep, Turkey
| | - Burcu Saygıdeğer Demir
- Department of Biotechnology, Institute of Natural and Applied Sciences, Cukurova University, Adana, Turkey
| | - Aykut Üren
- Georgetown University, Department of Oncology, Washington DC, USA
| | - Hasan Bayram
- Gaziantep University, Faculty of Medicine, Department of Pulmonary Diseases, Gaziantep, Turkey
- Koç University, School of Medicine, Department of Pulmonary Medicine, Koç University Research Center for Translational Medicine (KUTTAM), İstanbul, Turkey
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6
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Wang Y, Zhang S, Yan H, Quan J, Yang L, Chen X, Toimil-Molares ME, Trautmann C, Li H. Efficient Chiral Nanosenor Based on Tip-Modified Nanochannels. Anal Chem 2021; 93:6145-6150. [PMID: 33826298 DOI: 10.1021/acs.analchem.0c05390] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Enantiomers of various drug molecules have a specific effect on living organisms. Accordingly, developing a sample method for the efficient and rapid recognition of chiral drug enantiomers is of great industrial value and physiological significance. Here, inspired by the structure of ion channels in living organisms, we developed a chiral nanosensor based on an artificial tip-modified nanochannel system that allows efficient selective recognition of chiral drugs. In this system, l-alanine-pillar[5]arenes as selective receptors were introduced on the tip side of conical nanochannels to form an enantioselective "gate". The selective coefficient of our system toward R-propranolol is 4.96, which is higher than the traditional fully modified nanochannels in this work.
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Affiliation(s)
- Yingqian Wang
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Siyun Zhang
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Hewei Yan
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Jiaxin Quan
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Lei Yang
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Xue Chen
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | | | - Christina Trautmann
- GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt 64291, Germany.,Technische Universität Darmstadt, Darmstadt 64287, Germany
| | - Haibing Li
- Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
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7
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Kakkanattu A, Eerqing N, Ghamari S, Vollmer F. Review of optical sensing and manipulation of chiral molecules and nanostructures with the focus on plasmonic enhancements [Invited]. OPTICS EXPRESS 2021; 29:12543-12579. [PMID: 33985011 DOI: 10.1364/oe.421839] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
Chiral molecules are ubiquitous in nature; many important synthetic chemicals and drugs are chiral. Detecting chiral molecules and separating the enantiomers is difficult because their physiochemical properties can be very similar. Here we review the optical approaches that are emerging for detecting and manipulating chiral molecules and chiral nanostructures. Our review focuses on the methods that have used plasmonics to enhance the chiroptical response. We also review the fabrication and assembly of (dynamic) chiral plasmonic nanosystems in this context.
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8
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Kim MS, Gernapudi R, Cedeño YC, Polster BM, Martinez R, Shapiro P, Kesari S, Nurmemmedov E, Passaniti A. Targeting breast cancer metabolism with a novel inhibitor of mitochondrial ATP synthesis. Oncotarget 2020; 11:3863-3885. [PMID: 33196708 PMCID: PMC7597410 DOI: 10.18632/oncotarget.27743] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 08/24/2020] [Indexed: 01/17/2023] Open
Abstract
Inhibitors of mitochondrial respiration and ATP synthesis may promote the selective killing of respiration-competent cancer cells that are critical for tumor progression. We previously reported that CADD522, a small molecule inhibitor of the RUNX2 transcription factor, has potential for breast cancer treatment. In the current study, we show that CADD522 inhibits mitochondrial oxidative phosphorylation by decreasing the mitochondrial oxygen consumption rate (OCR) and ATP production in human breast cancer cells in a RUNX2-independent manner. The enzyme activity of mitochondrial ATP synthase was inhibited by CADD522 treatment. Importantly, results from cellular thermal shift assays that detect drug-induced protein stabilization revealed that CADD522 interacts with both α and β subunits of the F1-ATP synthase complex. Differential scanning fluorimetry also demonstrated interaction of α subunits of the F1-ATP synthase to CADD522. These results suggest that CADD522 might target the enzymatic F1 subunits in the ATP synthase complex. CADD522 increased the levels of intracellular reactive oxygen species (ROS), which was prevented by MitoQ, a mitochondria-targeted antioxidant, suggesting that cancer cells exposed to CADD522 may elevate ROS from mitochondria. CADD522-increased mitochondrial ROS levels were enhanced by exogenously added pro-oxidants such as hydrogen peroxide or tert-butyl hydroperoxide. Conversely, CADD522-mediated cell growth inhibition was blocked by N-acetyl-l-cysteine, a general ROS scavenger. Therefore, CADD522 may exert its antitumor activity by increasing mitochondrial driven cellular ROS levels. Collectively, our data suggest in vitro proof-of-concept that supports inhibition of mitochondrial ATP synthase and ROS generation as contributors to the effectiveness of CADD522 in suppression of tumor growth.
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Affiliation(s)
- Myoung Sook Kim
- Department of Pathology, University of Maryland School of Medicine, Baltimore, MD, USA
- The Marlene & Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | - Ramkishore Gernapudi
- Department of Biochemistry & Molecular Biology and Program in Molecular Medicine, Baltimore, MD, USA
- The Marlene & Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | | | - Brian M. Polster
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD, USA
- Research Health Scientist, The Veteran's Health Administration Research & Development Service (VAMHCS), Baltimore, MD, USA
| | - Ramon Martinez
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, USA
| | - Paul Shapiro
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, USA
| | - Santosh Kesari
- John Wayne Cancer Institute and Pacific Neuroscience Institute at Providence Saint John’s Health Center, Santa Monica, CA, USA
| | - Elmar Nurmemmedov
- John Wayne Cancer Institute and Pacific Neuroscience Institute at Providence Saint John’s Health Center, Santa Monica, CA, USA
| | - Antonino Passaniti
- Department of Pathology, University of Maryland School of Medicine, Baltimore, MD, USA
- Department of Biochemistry & Molecular Biology and Program in Molecular Medicine, Baltimore, MD, USA
- The Marlene & Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
- Research Health Scientist, The Veteran's Health Administration Research & Development Service (VAMHCS), Baltimore, MD, USA
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9
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Muhr L, Pontvianne S, Selmeczi K, Paris C, Boschi‐Muller S, Canabady‐Rochelle L. Chromatographic separation simulation of metal‐chelating peptides from surface plasmon resonance binding parameters. J Sep Sci 2020; 43:2031-2041. [DOI: 10.1002/jssc.201900882] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 01/25/2020] [Accepted: 02/18/2020] [Indexed: 01/14/2023]
Affiliation(s)
- Laurence Muhr
- Université de LorraineEcole Nationale Supérieure des Industries ChimiquesLaboratoire Réactions et Génie des Procédés (UMR CNRS‐UL 7274) 1 rue Grandville Nancy 54000 France
| | - Steve Pontvianne
- Université de LorraineEcole Nationale Supérieure des Industries ChimiquesLaboratoire Réactions et Génie des Procédés (UMR CNRS‐UL 7274) 1 rue Grandville Nancy 54000 France
| | - Katalin Selmeczi
- Université de LorraineLaboratoire Lorrain de Chimie Moléculaire UMR 7053 CNRS‐UL Boulevard des Aiguillettes, 54506 Vandoeuvre‐lès‐Nancy cedex Nancy cedex BP 70239 France
| | - Cédric Paris
- Université de LorrainePASM platformENSAIA French engineering school 2, avenue de la Forêt de Haye Vandoeuvre‐lès‐Nancy 54000 France
| | | | - Laetitia Canabady‐Rochelle
- Université de LorraineEcole Nationale Supérieure des Industries ChimiquesLaboratoire Réactions et Génie des Procédés (UMR CNRS‐UL 7274) 1 rue Grandville Nancy 54000 France
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10
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Surface plasmon resonance study of interaction between lactoferrin and naringin. Food Chem 2019; 297:125022. [DOI: 10.1016/j.foodchem.2019.125022] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/12/2019] [Accepted: 06/15/2019] [Indexed: 12/20/2022]
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11
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Catani M, Guzzinati R, Marchetti N, Pasti L, Cavazzini A. Exploring Fluorous Affinity by Liquid Chromatography. Anal Chem 2015; 87:6854-60. [DOI: 10.1021/acs.analchem.5b01212] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Martina Catani
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences, Via L. Borsari, 46, 44121 Ferrara, Italy
| | - Roberta Guzzinati
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences, Via L. Borsari, 46, 44121 Ferrara, Italy
- Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), R. C. Casaccia, Via Anguillarese, 301, S. Maria
di Galeria, 00123, Roma, Italy
| | - Nicola Marchetti
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences, Via L. Borsari, 46, 44121 Ferrara, Italy
| | - Luisa Pasti
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences, Via L. Borsari, 46, 44121 Ferrara, Italy
| | - Alberto Cavazzini
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences, Via L. Borsari, 46, 44121 Ferrara, Italy
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12
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Construction of P-glycoprotein incorporated tethered lipid bilayer membranes. Biochem Biophys Rep 2015; 2:115-122. [PMID: 29124152 PMCID: PMC5668657 DOI: 10.1016/j.bbrep.2015.05.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 05/25/2015] [Accepted: 05/29/2015] [Indexed: 11/26/2022] Open
Abstract
To investigate drug–membrane protein interactions, an artificial tethered lipid bilayer system was constructed for the functional integration of membrane proteins with large extra-membrane domains such as multi-drug resistance protein 1 (MDR1). In this study, a modified lipid (i.e., 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[amino (polyethylene glycol)-2000] (DSPE-PEG)) was utilized as a spacer molecule to elevate lipid membrane from the sensor surface and generate a reservoir underneath. Concentration of DSPE-PEG molecule significantly affected the liposome binding/spreading and lipid bilayer formation, and 0.03 mg/mL of DSPE-PEG provided optimum conditions for membrane protein integration. Further, the incorporation of MDR1 increased the local rigidity on the platform. Antibody binding studies showed the functional integration of MDR1 protein into lipid bilayer platform. The platform allowed to follow MDR!-statin-based drug interactions in vitro. Each binding event and lipid bilayer formation was monitored in real-time using Surface Plasmon Resonance and Quartz Crystal Microbalance–Dissipation systems, and Atomic Force Microscopy was used for visualization experiments. An artificial lipid bilayer system for large integral membrane proteins. Multi-drug resistance protein embedded in lipid bilayers was used as a model system. Interaction between pravastatin and a membrane protein was examined in vitro system. Characterization by surface sensitive methods such as SPR, QCM, liqAFM.
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13
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Ciogli A, Simone P, Villani C, Gasparrini F, Laganà A, Capitani D, Marchetti N, Pasti L, Massi A, Cavazzini A. Revealing the Fine Details of Functionalized Silica Surfaces by Solid-State NMR and Adsorption Isotherm Measurements: The Case of Fluorinated Stationary Phases for Liquid Chromatography. Chemistry 2014; 20:8138-48. [DOI: 10.1002/chem.201304330] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 02/25/2014] [Indexed: 11/11/2022]
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14
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Partial-filling affinity capillary electrophoresis and quartz crystal microbalance with adsorption energy distribution calculations in the study of biomolecular interactions with apolipoprotein E as interaction partner. Anal Bioanal Chem 2014; 406:4137-46. [PMID: 24788890 DOI: 10.1007/s00216-014-7821-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Revised: 03/22/2014] [Accepted: 04/04/2014] [Indexed: 01/08/2023]
Abstract
Adsorption energy distribution (AED) calculations were successfully applied to partial-filling affinity capillary electrophoresis (PF-ACE) to facilitate more detailed studies of biomolecular interactions. PF-ACE with AED calculations was employed to study the interactions between two isoforms of apolipoprotein E (apoE) and dermatan sulfate (DS), and a quartz crystal microbalance (QCM) was used in combination with AED calculations to examine the interactions of the 15-amino-acid peptide fragment of apoE with DS. The heterogeneity of the interactions was elucidated. Microscale thermophoresis was used to validate the results. The interactions studied are of interest because, in vivo, apolipoprotein E localizes on DS-containing regions in the extracellular matrix of human vascular subendothelium. Two-site binding was demonstrated for the isoform apoE3 and DS, but only one-site binding for apoE2-DS. Comparable affinity constants were obtained for the apoE2-DS, apoE3-D3, and 15-amino-acid peptide of apoE-DS using the three techniques. The results show that combining AED calculations with modern biosensing techniques can open up another dimension in studies on the heterogeneity and affinity constants of biological molecules.
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Cilpa-Karhu G, Lipponen K, Samuelsson J, Öörni K, Fornstedt T, Riekkola ML. Three complementary techniques for the clarification of temperature effect on low-density lipoprotein–chondroitin-6-sulfate interaction. Anal Biochem 2013; 443:139-47. [DOI: 10.1016/j.ab.2013.09.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Revised: 08/28/2013] [Accepted: 09/09/2013] [Indexed: 10/26/2022]
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16
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Agmo Hernández V, Samuelsson J, Forssén P, Fornstedt T. Enhanced interpretation of adsorption data generated by liquid chromatography and by modern biosensors. J Chromatogr A 2013; 1317:22-31. [DOI: 10.1016/j.chroma.2013.07.077] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Accepted: 07/17/2013] [Indexed: 12/17/2022]
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17
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Guo L, Wang D, Xu Y, Qiu B, Lin Z, Dai H, Yang HH, Chen G. Discrimination of enantiomers based on LSPR biosensors fabricated with weak enantioselective and nonselective receptors. Biosens Bioelectron 2013; 47:199-205. [DOI: 10.1016/j.bios.2013.03.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Revised: 03/03/2013] [Accepted: 03/04/2013] [Indexed: 12/11/2022]
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18
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Zhang Y, Shi S, Guo J, You Q, Feng D. On-line surface plasmon resonance-high performance liquid chromatography–tandem mass spectrometry for analysis of human serum albumin binders from Radix Astragali. J Chromatogr A 2013; 1293:92-9. [DOI: 10.1016/j.chroma.2013.04.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2013] [Revised: 03/11/2013] [Accepted: 04/05/2013] [Indexed: 01/07/2023]
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19
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Cavazzini A, Pasti L, Greco R, Costa V, Solera D, Dondi F, Marchetti N, Laganà A, Gasparrini F. Geometric characterization of straight-chain perfluorohexylpropyl adsorbents for high performance liquid chromatography. J Chromatogr A 2013; 1286:47-54. [DOI: 10.1016/j.chroma.2013.02.050] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Revised: 02/12/2013] [Accepted: 02/15/2013] [Indexed: 11/24/2022]
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20
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Cavazzini A, Marchetti N, Pasti L, Greco R, Dondi F, Laganà A, Ciogli A, Gasparrini F. A New Method to Investigate the Intrusion of Water into Porous Hydrophobic Structures under Dynamic Conditions. Anal Chem 2012; 85:19-22. [DOI: 10.1021/ac303253b] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Alberto Cavazzini
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara,
Italy
| | - Nicola Marchetti
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara,
Italy
| | - Luisa Pasti
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara,
Italy
| | - Roberto Greco
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara,
Italy
| | - Francesco Dondi
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara,
Italy
| | - Aldo Laganà
- Department of Chemistry, University of Rome “La Sapienza”, Piazzale
A. Moro 5, 00185 Rome, Italy
| | - Alessia Ciogli
- Dipartimento di Chimica e Tecnologia del Farmaco, University of Rome “La Sapienza”, Piazzale A. Moro
5, 00185 Rome, Italy
| | - Francesco Gasparrini
- Dipartimento di Chimica e Tecnologia del Farmaco, University of Rome “La Sapienza”, Piazzale A. Moro
5, 00185 Rome, Italy
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21
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Guo L, Yin Y, Huang R, Qiu B, Lin Z, Yang HH, Li J, Chen G. Enantioselective analysis of melagatran via an LSPR biosensor integrated with a microfluidic chip. LAB ON A CHIP 2012; 12:3901-3906. [PMID: 22836379 DOI: 10.1039/c2lc40388a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The impact of chiral compounds on pharmacological and biological processes is well known. With the increasing need for enantiomerically pure compounds, effective strategies for enantioseparation and chiral discrimination are in great demand. Herein we report a simple but efficient approach for the enantioselective determination of chiral compounds based on a localized surface plasmon resonance (LSPR) biosensor integrated with a microfluidic chip. A glass microfluidic chip with an effective volume of ~0.75 μL was fabricated for this application. Gold nanorods (AuNRs) with an aspect ratio of ~2.6 were self-assembled onto the surface of the inner wall of the chip to serve as LSPR transducers, which would translate the analyte binding events into quantitative concentration information. Human α-thrombin was immobilized onto the AuNR surface for enantioselective sensing of the enantiomers of melagatran. The proposed sensor was found to be highly selective for RS-melagatran, while the binding of its enantiomer, SR-melagatran, to the sensor was inactive. Under optimal conditions, the limit of detection of this sensor for RS-melagatran was found to be 0.9 nM, whereas the presence of 10,000-fold amounts of SR-melagatran did not interfere with the detection. To the best of our knowledge, this is the first demonstration of an LSPR-based enantioselective biosensor.
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Affiliation(s)
- Longhua Guo
- Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety (Fuzhou University), Department of Chemistry, Fuzhou University, Fuzhou, 350108, China.
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22
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Marchetti N, Caciolli L, Laganà A, Gasparrini F, Pasti L, Dondi F, Cavazzini A. Fluorous Affinity Chromatography for Enrichment and Determination of Perfluoroalkyl Substances. Anal Chem 2012; 84:7138-45. [DOI: 10.1021/ac301442m] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Nicola Marchetti
- Lab “Terra&Acqua Tech”-Water Quality, Technopole of Ferrara and Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Lorenzo Caciolli
- Lab “Terra&Acqua Tech”-Water Quality, Technopole of Ferrara and Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Aldo Laganà
- Department of Chemistry, University “La Sapienza”, Rome, Italy
| | - Francesco Gasparrini
- Dipartimento
di Chimica e Tecnologia
del Farmaco, University “La Sapienza”, Rome, Italy
| | - Luisa Pasti
- Department
of Chemistry and
Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Francesco Dondi
- Department
of Chemistry and
Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Alberto Cavazzini
- Department
of Chemistry and
Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
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23
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Morcos EF, Kussrow A, Enders C, Bornhop D. Free-solution interaction assay of carbonic anhydrase to its inhibitors using back-scattering interferometry. Electrophoresis 2011; 31:3691-5. [PMID: 20972990 DOI: 10.1002/elps.201000389] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Back-scattering interferometry (BSI) is a label-free, free-solution, small-volume technique used for characterizing binding interactions, which is also relevant to a growing number of biosensing applications including drug discovery. Here, we use BSI to characterize the interaction of carbonic anhydrase enzyme II with five well-known carbonic anhydrase enzyme II inhibitors (± sulpiride, sulfanilamide, benzene sulfonamide, dansylamide, and acetazolamide) in the presence of DMSO. Dissociation constants calculated for each interaction were consistent with literature values previously obtained using surface plasmon resonance and fluorescence-based competition assays. Results demonstrate the potential of BSI as a drug-screening tool which is fully compatible with DMSO and does not require immobilization or labeling, therefore allowing binding interactions to be characterized in the native state. BSI has the potential for reducing labor costs, sample consumption, and assay time while providing enhanced reliability over existing techniques.
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Affiliation(s)
- Ereny F Morcos
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, TN, USA
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24
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Ariga K, Richards GJ, Ishihara S, Izawa H, Hill JP. Intelligent chiral sensing based on supramolecular and interfacial concepts. SENSORS (BASEL, SWITZERLAND) 2010; 10:6796-820. [PMID: 22163577 PMCID: PMC3231122 DOI: 10.3390/s100706796] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2010] [Revised: 07/07/2010] [Accepted: 07/08/2010] [Indexed: 11/16/2022]
Abstract
Of the known intelligently-operating systems, the majority can undoubtedly be classed as being of biological origin. One of the notable differences between biological and artificial systems is the important fact that biological materials consist mostly of chiral molecules. While most biochemical processes routinely discriminate chiral molecules, differentiation between chiral molecules in artificial systems is currently one of the challenging subjects in the field of molecular recognition. Therefore, one of the important challenges for intelligent man-made sensors is to prepare a sensing system that can discriminate chiral molecules. Because intermolecular interactions and detection at surfaces are respectively parts of supramolecular chemistry and interfacial science, chiral sensing based on supramolecular and interfacial concepts is a significant topic. In this review, we briefly summarize recent advances in these fields, including supramolecular hosts for color detection on chiral sensing, indicator-displacement assays, kinetic resolution in supramolecular reactions with analyses by mass spectrometry, use of chiral shape-defined polymers, such as dynamic helical polymers, molecular imprinting, thin films on surfaces of devices such as QCM, functional electrodes, FET, and SPR, the combined technique of magnetic resonance imaging and immunoassay, and chiral detection using scanning tunneling microscopy and cantilever technology. In addition, we will discuss novel concepts in recent research including the use of achiral reagents for chiral sensing with NMR, and mechanical control of chiral sensing. The importance of integration of chiral sensing systems with rapidly developing nanotechnology and nanomaterials is also emphasized.
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Affiliation(s)
- Katsuhiko Ariga
- World Premier International Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan.
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25
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Bun Ching C, Zhang J, Sui J, Ning Chen W. Proteomics profile of cellular response to chiral drugs: Prospects for pharmaceutical applications. Proteomics 2009; 10:888-93. [DOI: 10.1002/pmic.200900094] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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26
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Cavazzini A, Pasti L, Dondi F, Finessi M, Costa V, Gasparrini F, Ciogli A, Bedani F. Binding of Dipeptides and Amino Acids to Teicoplanin Chiral Stationary Phase: Apparent Homogeneity of Some Heterogeneous Systems. Anal Chem 2009; 81:6735-43. [DOI: 10.1021/ac900677f] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alberto Cavazzini
- Department of Chemistry, University of Ferrara, via L. Borsari 46, I-44100 Ferrara, Italy, Dipartimento di Studi di Chimica e Tecnologia del Farmaco, Università degli Studi di Roma, “La Sapienza”, P.le A. Moro 5, I-00185 Roma, Italy, Polymer-Analysis Group, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
| | - Luisa Pasti
- Department of Chemistry, University of Ferrara, via L. Borsari 46, I-44100 Ferrara, Italy, Dipartimento di Studi di Chimica e Tecnologia del Farmaco, Università degli Studi di Roma, “La Sapienza”, P.le A. Moro 5, I-00185 Roma, Italy, Polymer-Analysis Group, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
| | - Francesco Dondi
- Department of Chemistry, University of Ferrara, via L. Borsari 46, I-44100 Ferrara, Italy, Dipartimento di Studi di Chimica e Tecnologia del Farmaco, Università degli Studi di Roma, “La Sapienza”, P.le A. Moro 5, I-00185 Roma, Italy, Polymer-Analysis Group, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
| | - Marco Finessi
- Department of Chemistry, University of Ferrara, via L. Borsari 46, I-44100 Ferrara, Italy, Dipartimento di Studi di Chimica e Tecnologia del Farmaco, Università degli Studi di Roma, “La Sapienza”, P.le A. Moro 5, I-00185 Roma, Italy, Polymer-Analysis Group, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
| | - Valentina Costa
- Department of Chemistry, University of Ferrara, via L. Borsari 46, I-44100 Ferrara, Italy, Dipartimento di Studi di Chimica e Tecnologia del Farmaco, Università degli Studi di Roma, “La Sapienza”, P.le A. Moro 5, I-00185 Roma, Italy, Polymer-Analysis Group, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
| | - Francesco Gasparrini
- Department of Chemistry, University of Ferrara, via L. Borsari 46, I-44100 Ferrara, Italy, Dipartimento di Studi di Chimica e Tecnologia del Farmaco, Università degli Studi di Roma, “La Sapienza”, P.le A. Moro 5, I-00185 Roma, Italy, Polymer-Analysis Group, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
| | - Alessia Ciogli
- Department of Chemistry, University of Ferrara, via L. Borsari 46, I-44100 Ferrara, Italy, Dipartimento di Studi di Chimica e Tecnologia del Farmaco, Università degli Studi di Roma, “La Sapienza”, P.le A. Moro 5, I-00185 Roma, Italy, Polymer-Analysis Group, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
| | - Filippo Bedani
- Department of Chemistry, University of Ferrara, via L. Borsari 46, I-44100 Ferrara, Italy, Dipartimento di Studi di Chimica e Tecnologia del Farmaco, Università degli Studi di Roma, “La Sapienza”, P.le A. Moro 5, I-00185 Roma, Italy, Polymer-Analysis Group, Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
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27
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Sandblad P, Arnell R, Samuelsson J, Fornstedt T. Approach for reliable evaluation of drug proteins interactions using surface plasmon resonance technology. Anal Chem 2009; 81:3551-9. [PMID: 19338267 DOI: 10.1021/ac900299p] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The surface plasmon resonance (SPR) biosensor was recently introduced to the analytical biochemical society for measuring small drug-protein interactions. However, the technique has many times been used without specifying the type of enantiomeric form of the chiral drug measured and/or with using a too narrow drug concentration range resulting in biased values of binding coefficients and sometimes even assumptions about single-site bindings although the binding in reality comprises a multisite interaction. In this study we will give guidelines for reliable experimental and methodological approaches to avoid these pitfalls. For this purpose, we also introduce a new tool, based on physical chemistry, to the sensor community; the calculation of the adsorption energy distribution (AED). The AED-calculations reveal the degree of heterogeneity directly from the SPR raw data and thus guide us into a narrower selection of probable models before the rival model fitting procedure. We demonstrate how to measure reliable equilibrium data for the two typically different cases: drug binding to (i) transport (plasma) proteins and to (ii) a target protein. Both the binding of the chiral beta-blocker propranolol to alpha(1)-acid glycoprotein (AGP) and that of the anticoagulant warfarin to human serum albumin were heterogeneous, with a few strong enantioselective sites and many weak nonselective sites. We also demonstrate how the multisite binding rapidly falsely turns to single-site as the concentration range is narrowed and how adding dimethyl sulfoxide to the buffer affects multisite drug-protein data. The binding of the enantiomers of the thrombin inhibitor melagatran was investigated on both thrombin and the transport proteins, revealing clear enantioselectivity for thrombin in favor of the active enantiomer, but almost similar binding properties for both enantiomers to the transport protein AGP. The AED-calculations verified that both these system has a unimodal energy distribution and are best described with a homogeneous adsorption model.
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Affiliation(s)
- Peter Sandblad
- Department of Physical and Analytical Chemistry, BMC Box 599, SE-751 24, Uppsala, Sweden
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28
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Samuelsson J, Arnell R, Fornstedt T. Potential of adsorption isotherm measurements for closer elucidating of binding in chiral liquid chromatographic phase systems. J Sep Sci 2009; 32:1491-506. [DOI: 10.1002/jssc.200900165] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Sui J, Zhang J, Ching CB, Chen WN. Expanding proteomics into the analysis of chiral drugs. MOLECULAR BIOSYSTEMS 2009; 5:603-8. [PMID: 19462017 DOI: 10.1039/b903858b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The chiralities of chiral drugs have been investigated extensively with the purpose of enlightening the role of chirality in drug action. Proteomics, though in its infancy, has recently emerged as the foremost technology in drug development research, possessing the advantage of providing more useful information about an organism than genomics, as it directly addresses the level of genome products and their interactions. In this review, we will discuss the background of chiral drug investigation from which contemporary drug chirality research has emerged, the techniques involved in proteomics technology, the application of proteomics in this exciting area, and the perspectives in future applications of this field.
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Affiliation(s)
- Jianjun Sui
- School of Chemical and Biomedical Engineering, College of Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore
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30
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Mallik R, Xuan H, Guiochon G, Hage DS. Immobilization of alpha1-acid glycoprotein for chromatographic studies of drug-protein binding II. correction for errors in association constant measurements. Anal Biochem 2008; 376:154-6. [PMID: 18294445 DOI: 10.1016/j.ab.2008.01.035] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2007] [Revised: 01/30/2008] [Accepted: 01/30/2008] [Indexed: 11/19/2022]
Abstract
A new method for the immobilization of alpha(1)-acid glycoprotein (AGP) in high-performance liquid chromatography (HPLC) columns was recently described for applications such as drug binding studies. Part of this earlier work used self-competition zonal elution studies to measure association equilibrium constants between immobilized AGP and R- or S-propranolol. It was later found that analysis of these data by a common equation derived for linear elution conditions gave erroneous values for experiments actually conducted under nonlinear conditions. This report discusses the nature of this error and uses frontal analysis to estimate the true binding strength between R- and S-propranolol and HPLC columns containing immobilized AGP.
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Affiliation(s)
- Rangan Mallik
- Chemistry Department, University of Nebraska, Lincoln, NE 68599-0304, USA
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31
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Zhou B, Li R, Zhang Y, Liu Y. Kinetic analysis of the interaction between amphotericin B and human serum albumin using surface plasmon resonance and fluorescence spectroscopy. Photochem Photobiol Sci 2008; 7:453-9. [DOI: 10.1039/b717897b] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Tang H, Wang Q, Xie Q, Zhang Y, Tan L, Yao S. Enzymatically biocatalytic precipitates amplified antibody-antigen interaction for super low level immunoassay: an investigation combined surface plasmon resonance with electrochemistry. Biosens Bioelectron 2007; 23:668-74. [PMID: 17869088 DOI: 10.1016/j.bios.2007.08.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2007] [Revised: 07/16/2007] [Accepted: 08/03/2007] [Indexed: 11/21/2022]
Abstract
We demonstrated a simple and efficient strategy, which based on the enzymatically biocatalytic precipitates amplified antibody-antigen interaction, for improving the response signals of surface plasmon resonance (SPR) immunosensing. The antibody-antigen-alkaline phosphatase (AP) labeled secondary antibody sandwich were successfully prepared and characterized by SPR, cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The SPR signal amplification was accomplished through probing resonance angle shift and Faradaic electron impedance of [Fe(CN)(6)](3-/4-) redox pair after the enzymatically biocatalytic products precipitating on the immunosensing electrode surface. As a result, the accumulation of the enzymatically biocatalytic precipitates leads to significantly resonance angle shift and increase of electron transfer impedance of [Fe(CN)(6)](3-/4-) probe. The precipitates-enhanced sandwich SPR immunoassay for mouse immunoglobulin G (m-IgG) can easily detect solution protein concentrations in the linear range of 0.02-40 ng mL(-1) and with a detection limit of 200 fg mL(-1), which is more than four-orders and 10 times better compared with the values using streptavidin-biotinylated protein complex and biotinylated HRP biocatalyzation amplification methods. Moreover, this method is generally applicable to other sandwich immunoassays and also can be expanded to monitor other antibody-antigen interaction for immunosensing detection at low concentrations.
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Affiliation(s)
- Hao Tang
- Ministry of Education Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, PR China.
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33
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Rich RL, Myszka DG. Survey of the year 2006 commercial optical biosensor literature. J Mol Recognit 2007; 20:300-66. [DOI: 10.1002/jmr.862] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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