1
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Li X, Han L, Song Z, Xu R, Wang L. Comparative study on the interaction between transferrin and flavonols: Experimental and computational modeling approaches. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 288:122128. [PMID: 36455462 DOI: 10.1016/j.saa.2022.122128] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/27/2022] [Accepted: 11/14/2022] [Indexed: 06/17/2023]
Abstract
Transferrin is the indispensable component in the body fluids and has been explored as a potential drug carrier for target drugs to cancer cells. Flavonols are widely distributed in plants and shown a wide range of biological activities. In the present study, the interaction between flavonols (including galangin, kaempferol, quercetin, and myricetin) and transferrin under physiological conditions was investigated by using experimental as well as computational approaches. Fluorescence data reveal that the fluorescence quenching mechanism of transferrin by flavonols is static quenching. Transferrin has moderate affinity with flavonols, and the binding constants (Ka) are 103-104 L/mol. In addition, there are two different binding sites for the interaction between kaempferol and transferrin. Thermodynamic parameter analysis shows that the interaction of flavonols and transferrin is synergistically driven by enthalpy and entropy. Hydrophobic interaction, electrostatic force and hydrogen bonds are the main force types. Synchronous fluorescence spectroscopy shows that flavonols decrease the hydrophobicity of the microenvironment around tryptophan (Trp) and have no effect on the microenvironment around tyrosine (Tyr). UV-vis and CD spectra show that the interaction between transferrin and flavonols leads to the loosening and unfolding of transferrin backbone. The increase of β-sheet is accompanied by the decrease of α-helix and β-turn. The specific binding sites of flavonols to transferrin are confirmed by molecular docking. Molecular dynamic simulation suggests that the transferrin-flavonols docked complex is stable throughout the simulation trajectory.
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Affiliation(s)
- Xiangrong Li
- Department of Medical Chemistry, Key Laboratory of Medical Molecular Probes, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China.
| | - Linyu Han
- Grade 2020, Clinical Medicine, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Zhizhi Song
- Grade 2020, Clinical Medicine, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Ruonan Xu
- Department of Medical Chemistry, Key Laboratory of Medical Molecular Probes, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Lixia Wang
- College of Science, Henan Agricultural University, Zhengzhou, Henan 450002, PR China
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2
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Song MT, Wang WZ, Lu Y, Han RM, Skibsted LH, Zhang JP. Double-Site Binding and Anti-/Pro-oxidation of Luteolin on Bovine Serum Albumin Mediated by Copper(II) Coordination. ACS OMEGA 2022; 7:19521-19534. [PMID: 35721975 PMCID: PMC9202249 DOI: 10.1021/acsomega.2c01226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
The interactions of luteolin (Lut) with bovine serum albumin (BSA) mediated by Cu(II) were investigated by spectroscopic, calorimetric, and molecular dynamic (MD) methods. Fluorescence studies showed that the binding of Lut to BSA was significantly enhanced by Cu(II) coordination with the number of binding sites and binding constant increasing from n = 1 and K a = 3.2 × 105 L·mol-1 for Lut to n = 2 and K a = 7.1 × 105 L·mol-1 for a 1:1 Cu(II)-luteolin complex, in agreement with the results from isothermal titration calorimetry (ITC). Site-specific experiments with warfarin and ibuprofen and MD confirmed that two binding sites of BSA were sequentially occupied by two Cu(II)-luteolin complexes. Cu(II) coordination increased the antioxidant activity of luteolin by 60% in the inhibition of carbonyl formation from the oxidation of amino groups in the side chain of BSA induced by the peroxyl radical ROO•; however, it counteracted the antioxidant effects of luteolin and played pro-oxidative roles in BSA aggregation induced by •OH.
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Affiliation(s)
- Meng-Ting Song
- Key
Laboratory of Advanced Light Conversion Materials and Biophotonics,
Department of Chemistry, Renmin University
of China, Beijing 100872, China
| | - Wen-Zhu Wang
- Key
Laboratory of Advanced Light Conversion Materials and Biophotonics,
Department of Chemistry, Renmin University
of China, Beijing 100872, China
| | - Yao Lu
- Key
Laboratory of Advanced Light Conversion Materials and Biophotonics,
Department of Chemistry, Renmin University
of China, Beijing 100872, China
| | - Rui-Min Han
- Key
Laboratory of Advanced Light Conversion Materials and Biophotonics,
Department of Chemistry, Renmin University
of China, Beijing 100872, China
| | - Leif H. Skibsted
- Department
of Food Science, University of Copenhagen, Rolighedsvej 30, DK-1958 Frederiksberg C, Denmark
| | - Jian-Ping Zhang
- Key
Laboratory of Advanced Light Conversion Materials and Biophotonics,
Department of Chemistry, Renmin University
of China, Beijing 100872, China
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3
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Kubczak M, Szustka A, Rogalińska M. Molecular Targets of Natural Compounds with Anti-Cancer Properties. Int J Mol Sci 2021; 22:ijms222413659. [PMID: 34948455 PMCID: PMC8708931 DOI: 10.3390/ijms222413659] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer is the second leading cause of death in humans. Despite rapid developments in diagnostic methods and therapies, metastasis and resistance to administrated drugs are the main obstacles to successful treatment. Therefore, the main challenge should be the diagnosis and design of optimal therapeutic strategies for patients to increase their chances of responding positively to treatment and increase their life expectancy. In many types of cancer, a deregulation of multiple pathways has been found. This includes disturbances in cellular metabolism, cell cycle, apoptosis, angiogenesis, or epigenetic modifications. Additionally, signals received from the microenvironment may significantly contribute to cancer development. Chemical agents obtained from natural sources seem to be very attractive alternatives to synthetic compounds. They can exhibit similar anti-cancer potential, usually with reduced side effects. It was reported that natural compounds obtained from fruits and vegetables, e.g., polyphenols, flavonoids, stilbenes, carotenoids and acetogenins, might be effective against cancer cells in vitro and in vivo. Several published results indicate the activity of natural compounds on protein expression by its influence on transcription factors. They could also be involved in alterations in cellular response, cell signaling and epigenetic modifications. Such natural components could be used in our diet for anti-cancer protection. In this review, the activities of natural compounds, including anti-cancer properties, are described. The influence of natural agents on cancer cell metabolism, proliferation, signal transduction and epigenetic modifications is highlighted.
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Affiliation(s)
- Małgorzata Kubczak
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-237 Łódź, Poland;
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-237 Łódź, Poland;
| | - Aleksandra Szustka
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-237 Łódź, Poland;
| | - Małgorzata Rogalińska
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-237 Łódź, Poland;
- Correspondence:
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4
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Hossain MJ, Rashid MA, Sultan MZ. Transition Metal Chelation Augments the Half-life of Secnidazole: Molecular Docking and Fluorescence Spectroscopic Approaches. Drug Res (Stuttg) 2020; 70:583-592. [PMID: 33098081 DOI: 10.1055/a-1252-2322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
This current research aimed to establish the most required pharmacodynamics parameters of two transition metal complexes of an antimicrobial drug secnidazole. The spectroscopic fluorescence quenching strategy was outlined to evaluate the binding mechanism and binding affinity of nickel (II) and chromium (III) complexes of secnidazole with bovine serum albumin (BSA). The conformational modifications and the interacting patterns of the protein due to the interaction of the parent compound of the metal complexes have been investigated by molecular docking approach. The ligand-protein interactions were confirmed by the spectral quelling of the serum protein's intensity in the presence of metal chelate of secnidazole. The quenching mechanism was an endothermic dynamic process. The calculated thermodynamic factors delineated van der Waals interactions mainly influenced the spontaneous process. The UV-fluorescence curves were studied to establish the energy transformation profile according to the Förster resonance energy transfer (FRET) theory. The double-logarithm plot exhibited the binding number that ensured the drug-protein interaction was at a 1:1 ratio. The compared binding constants dictated that both metal chelates gained higher binding affinity, longer half-life, and achieved the capacity to show the pharmacological effects by a lower dose than the parent molecule.
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Affiliation(s)
- Md Jamal Hossain
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka-1000, Bangladesh.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka-1000, Bangladesh
| | - Mohammad A Rashid
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka-1000, Bangladesh
| | - Md Zakir Sultan
- Centre for Advanced Research in Sciences (CARS), University of Dhaka, Dhaka-1000, Bangladesh
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5
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Nam G, Hong M, Lee J, Lee HJ, Ji Y, Kang J, Baik MH, Lim MH. Multiple reactivities of flavonoids towards pathological elements in Alzheimer's disease: structure-activity relationship. Chem Sci 2020; 11:10243-10254. [PMID: 34094290 PMCID: PMC8162271 DOI: 10.1039/d0sc02046j] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 09/07/2020] [Indexed: 12/19/2022] Open
Abstract
Amyloid-β (Aβ) accumulation, metal ion dyshomeostasis, oxidative stress, and cholinergic deficit are four major characteristics of Alzheimer's disease (AD). Herein, we report the reactivities of 12 flavonoids against four pathogenic elements of AD: metal-free and metal-bound Aβ, free radicals, and acetylcholinesterase. A series of 12 flavonoids was selected based on the molecular structures that are responsible for multiple reactivities including hydroxyl substitution and transfer of the B ring from C2 to C3. Our experimental and computational studies reveal that the catechol moiety, the hydroxyl groups at C3 and C7, and the position of the B ring are important for instilling multiple functions in flavonoids. We establish a structure-activity relationship of flavonoids that should be useful for designing chemical reagents with multiple reactivities against the pathological factors of AD.
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Affiliation(s)
- Geewoo Nam
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
| | - Mannkyu Hong
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) Daejeon 34141 Republic of Korea
| | - Juri Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Hyuck Jin Lee
- Department of Chemistry Education, Kongju National University Gongju 32588 Republic of Korea
| | - Yonghwan Ji
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
| | - Juhye Kang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Mu-Hyun Baik
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) Daejeon 34141 Republic of Korea
| | - Mi Hee Lim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
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6
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Li X, Peng Y, Liu H, Xu Y, Wang X, Zhang C, Ma X. Comparative studies on the interaction of nine flavonoids with trypsin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 238:118440. [PMID: 32438292 DOI: 10.1016/j.saa.2020.118440] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 04/27/2020] [Accepted: 04/30/2020] [Indexed: 06/11/2023]
Abstract
In this study, the interaction between nine classic flavonoids (including baicalin, quercetin, myricetin, rutin, puerarin, daidzein, liquiritin and isoliquiritin) and trypsin was investigated by fluorescence spectroscopy and molecular modeling methods. The results reveal that all flavonoids can interact with trypsin to form flavonoid-trypsin complexes. The binding parameters obtained from the data at different temperatures indicate that all flavonoids can spontaneously bind with trypsin with one binding site. The binding constants of trypsin with nine classic flavonoids are in the following order as: baicalin > myricetin > rutin > isoliquiritin > hesperidin > puerarin > quercetin > daidzein > liquiritin. The interaction forces between flavonoids and trypsin may be electrostatic forces (except for rutin/puerarin/daidzein), hydrophobic interactions as well as van der Waals forces. Synchronous fluorescence spectroscopy shows that the interaction between flavonoids and trypsin changes the hydrophobicity of the microenvironment of tryptophan (Trp) residues. All flavonoids close to tyrosine (Tyr) residues but have no effect on the microenvironment around Tyr residues except for hesperidin and liquiritin. Molecular modeling displays that all flavonoids bind directly into trypsin cavity site and lead to a decrease in enzyme activity.
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Affiliation(s)
- Xiangrong Li
- Department of Chemistry, Key Laboratory of Medical Molecular Probes, School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, PR China.
| | - Yanru Peng
- Grade 2017, Clinical Pharmacy, School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Hongyi Liu
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Yongtao Xu
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Xuezhen Wang
- Grade 2017, Clinical Pharmacy, School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Congxiao Zhang
- Grade 2018, School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Xiaoyi Ma
- Grade 2018, School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
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7
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Rivière G, Oueslati S, Gayral M, Créchet JB, Nhiri N, Jacquet E, Cintrat JC, Giraud F, van Heijenoort C, Lescop E, Pethe S, Iorga BI, Naas T, Guittet E, Morellet N. NMR Characterization of the Influence of Zinc(II) Ions on the Structural and Dynamic Behavior of the New Delhi Metallo-β-Lactamase-1 and on the Binding with Flavonols as Inhibitors. ACS OMEGA 2020; 5:10466-10480. [PMID: 32426604 PMCID: PMC7226869 DOI: 10.1021/acsomega.0c00590] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 04/15/2020] [Indexed: 05/22/2023]
Abstract
New Delhi metallo-β-lactamase-1 (NDM-1) has recently emerged as a global threat because of its ability to confer resistance to all common β-lactam antibiotics. Understanding the molecular basis of β-lactam hydrolysis by NDM is crucial for designing NDM inhibitors or β-lactams resistant to their hydrolysis. In this study, for the first time, NMR was used to study the influence of Zn(II) ions on the dynamic behavior of NDM-1. Our results highlighted that the binding of Zn(II) in the NDM-1 active site induced several structural and dynamic changes on active site loop 2 (ASL2) and L9 loops and on helix α2. We subsequently studied the interaction of several flavonols: morin, quercetin, and myricetin were identified as natural and specific inhibitors of NDM-1. Quercetin conjugates were also synthesized in an attempt to increase the solubility and bioavailability. Our NMR investigations on NDM-1/flavonol interactions highlighted that both Zn(II) ions and the residues of the NDM-1 ASL1, ASL2, and ASL4 loops are involved in the binding of flavonols. This is the first NMR interaction study of NDM-1/inhibitors, and the models generated using HADDOCK will be useful for the rational design of more active inhibitors, directed against NDM-1.
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Affiliation(s)
- Gwladys Rivière
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Saoussen Oueslati
- EA7361
“Structure, Dynamic, Function and Expression of Broad Spectrum
β-Lactamases”, Faculty of Medicine, Université Paris-Sud, Université Paris-Saclay, LabEx LERMIT, Le Kremlin-Bicêtre, France
| | - Maud Gayral
- Institut
de Chimie Moléculaire et des Matériaux d’Orsay
(ICMMO), CNRS, Université Paris Sud, Université Paris-Saclay, 15 rue Georges Clemenceau, 91405 Orsay Cedex, France
| | | | - Naïma Nhiri
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Eric Jacquet
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Jean-Christophe Cintrat
- Service
de Chimie Bio-organique et Marquage (SCBM), CEA, Université Paris-Saclay, LabEx LERMIT, 91191 Gif/Yvette, France
| | - François Giraud
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Carine van Heijenoort
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Ewen Lescop
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Stéphanie Pethe
- EA7361
“Structure, Dynamic, Function and Expression of Broad Spectrum
β-Lactamases”, Faculty of Medicine, Université Paris-Sud, Université Paris-Saclay, LabEx LERMIT, Le Kremlin-Bicêtre, France
| | - Bogdan I. Iorga
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Thierry Naas
- EA7361
“Structure, Dynamic, Function and Expression of Broad Spectrum
β-Lactamases”, Faculty of Medicine, Université Paris-Sud, Université Paris-Saclay, LabEx LERMIT, Le Kremlin-Bicêtre, France
- . Phone:(33)145212019 or (33)145213030. Fax: (33)145216340
| | - Eric Guittet
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Nelly Morellet
- Institut
de Chimie des Substances Naturelles, CNRS UPR 2301, Université
Paris-Sud, Université Paris-Saclay, LabEx LERMIT, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
- . Phone:(33)169823762. Fax: (33)169823784
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8
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Shaghaghi M, Rashtbari S, Vejdani S, Dehghan G, Jouyban A, Yekta R. Exploring the interactions of a Tb(III)–quercetin complex with serum albumins (HSA and BSA): spectroscopic and molecular docking studies. LUMINESCENCE 2019; 35:512-524. [DOI: 10.1002/bio.3757] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 11/22/2019] [Accepted: 12/04/2019] [Indexed: 12/28/2022]
Affiliation(s)
- Masoomeh Shaghaghi
- Department of ChemistryPayame Noor University P. O. Box 19395‐3697 Tehran Iran
| | - Samaneh Rashtbari
- Department of Biology, Faculty of Natural SciencesUniversity of Tabriz Tabriz Iran
| | - Samira Vejdani
- Department of ChemistryPayame Noor University P. O. Box 19395‐3697 Tehran Iran
| | - Gholamreza Dehghan
- Department of Biology, Faculty of Natural SciencesUniversity of Tabriz Tabriz Iran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of PharmacyTabriz University of Medical Sciences Tabriz Iran
| | - Reza Yekta
- Department of Biology, Faculty of Natural SciencesUniversity of Tabriz Tabriz Iran
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9
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Exploring the transfer of hydrogen atom from kaempferol-based compounds to hydroxyl radical at ground state using PCM-DFT approach. Struct Chem 2019. [DOI: 10.1007/s11224-019-01331-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Mondal P, Bose A. Spectroscopic overview of quercetin and its Cu(II) complex interaction with serum albumins. ACTA ACUST UNITED AC 2019; 9:115-121. [PMID: 31334043 PMCID: PMC6637219 DOI: 10.15171/bi.2019.15] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 03/08/2019] [Accepted: 03/10/2019] [Indexed: 11/24/2022]
Abstract
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Introduction:
Flavonoids are widely used as dietary supplements, and thus, play a significant role in the research field. In recent time, the interaction of flavonoid-metal complexes with serum albumin (SA) has widely been studied since the complexation poses a significant impact on biological activities. Additionally, the binding nature of flavonoids with SA gets modified in the presence of metal ions.
Methods: In the present review, we studied the interaction of quercetin (Qu), a well-known flavonoid, and its Cu2+ complexes with SA to provide sufficient information about the beneficial role of metal-flavonoid complexes over free flavonoids.
Results: Complexation with Cu(II) ion may alter the mode of binding of Qu with SAs. The strength of binding might be increased in the presence of Cu(II) as evidenced by the binding constant calculation. However, the drug binding site in bovine serum albumin (BSA) and human serum albumin (HSA) are not altered during the complexation process.
Conclusion: To enhance the pharmaceutical outcomes of Qu molecules, one may use Qu-Cu(II) complex for the development and delivery of the small molecules.
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Affiliation(s)
- Prasenjit Mondal
- Department of Chemistry, Presidency University, 86/1 College Street, Kolkata 700073, India
| | - Adity Bose
- Department of Chemistry, Presidency University, 86/1 College Street, Kolkata 700073, India
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11
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Staegemann MH, Gitter B, Dernedde J, Kuehne C, Haag R, Wiehe A. Mannose-Functionalized Hyperbranched Polyglycerol Loaded with Zinc Porphyrin: Investigation of the Multivalency Effect in Antibacterial Photodynamic Therapy. Chemistry 2017; 23:3918-3930. [PMID: 28029199 DOI: 10.1002/chem.201605236] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Indexed: 02/03/2023]
Abstract
The antibacterial photodynamic activity of hyperbranched polyglycerol (hPG) loaded with zinc porphyrin photosensitizers and mannose units was investigated. hPG, with a MW of 19.5 kDa, was functionalized with about 15 molecules of the photosensitizer {5,10,15-tris(3-hydroxyphenyl)-20-[4-(prop-2-yn-1-ylamino)tetrafluorophenyl]porphyrinato}-zinc(II) by using copper(I)-catalyzed 1,3-dipolar cycloaddition (CuAAC). These nanoparticle conjugates were functionalized systematically with increasing loadings of mannose in the range of approximately 20 to 110 groups. With higher mannose loadings (ca. 58-110 groups) the water-insoluble zinc porphyrin photosensitizer could thus be transferred into a water-soluble form. Targeting of the conjugates was proven in binding studies to the mannose-specific lectin concanavalin A (Con A) by using surface plasmon resonance (SPR). The antibacterial phototoxicity of the conjugates on Staphylococcus aureus (as a typical Gram-positive germ) was investigated in phosphate-buffered saline (PBS). It was shown that conjugates with approximately 70-110 mannose units exhibit significant antibacterial activity, whereas conjugates with approximately 20-60 units did not induce bacterial killing at all. These results give an insight into the multivalency effect in combination with photodynamic therapy (PDT). On addition of serum to the bacterial cultures, a quenching of this antibacterial phototoxicity was observed. In fluorescence studies with the conjugates in the presence of increasing bovine serum albumin (BSA) concentrations, protein-conjugate associations could be identified as a plausible cause for this quenching.
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Affiliation(s)
- Michael H Staegemann
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
| | - Burkhard Gitter
- Biolitec research GmbH, Otto-Schott-Str. 15, 07745, Jena, Germany
| | - Jens Dernedde
- Charité-Universitätsmedizin Berlin, Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Campus Virchow Klinikum, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Christian Kuehne
- Charité-Universitätsmedizin Berlin, Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Campus Virchow Klinikum, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
| | - Arno Wiehe
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany.,Biolitec research GmbH, Otto-Schott-Str. 15, 07745, Jena, Germany
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12
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Precupas A, Sandu R, Leonties AR, Anghel DF, Popa VT. Complex interaction of caffeic acid with bovine serum albumin: calorimetric, spectroscopic and molecular docking evidence. NEW J CHEM 2017. [DOI: 10.1039/c7nj03410e] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Binding of caffeic acid at low concentrations to bovine serum albumin enhances the thermal stability of the protein.
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Affiliation(s)
- Aurica Precupas
- “Ilie Murgulescu” Institute of Physical Chemistry of the Romanian Academy
- 060021 – Bucharest
- Romania
| | - Romica Sandu
- “Ilie Murgulescu” Institute of Physical Chemistry of the Romanian Academy
- 060021 – Bucharest
- Romania
| | - Anca Ruxandra Leonties
- “Ilie Murgulescu” Institute of Physical Chemistry of the Romanian Academy
- 060021 – Bucharest
- Romania
| | - Dan-Florin Anghel
- “Ilie Murgulescu” Institute of Physical Chemistry of the Romanian Academy
- 060021 – Bucharest
- Romania
| | - Vlad Tudor Popa
- “Ilie Murgulescu” Institute of Physical Chemistry of the Romanian Academy
- 060021 – Bucharest
- Romania
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Escudero GE, Laino CH, Echeverría GA, Piro OE, Martini N, Rodríguez AN, Martínez Medina JJ, López Tévez LL, Ferrer EG, Williams PAM. Improving the antidepressant action and the bioavailability of sertraline by co-crystallization with coumarin 3-carboxylate. Structural determination. Chem Biol Interact 2016; 249:46-55. [PMID: 26952715 DOI: 10.1016/j.cbi.2016.03.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 02/17/2016] [Accepted: 03/04/2016] [Indexed: 11/27/2022]
Abstract
To improve the antidepressant action of sertraline a new salt with coumarin-3-carboxylate anion (SerH-CCA) has been synthesized by two different methods and characterized by FTIR spectroscopy and structural determinations by X-ray diffraction methods. The new salt is stabilized by strong intermolecular H-bonds involving the protonated amine group of SerH and the deprotonated carboxylate group of CCA. These findings can be correlated with the interpretation of the infrared spectrum. The salt, sertraline (SerHCl) and the sodium salt of coumarin-3-carboxylate (NaCCA) were orally administered male Wistar rats (10 mg/kg, based on sertraline). Rats were evaluated in separate groups by means of the forced swimming (FST). SerH-CCA produced antidepressant effects in a magnitude that exceeded SerHCl individual effects. None of these treatments affected activity levels by the open field OFT tests. We have also determined that the ion pair also improve the binding to bovine serum albumin (BSA) of the drug but retain its antimicrobial activity. It is reasonable to conclude that the replacement of chloride anion by a large organic anion in sertraline strengthens the pharmacological action of the native drug, binding to BSA with higher activity and retaining the antimicrobial activity of the antidepressant compound.
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Affiliation(s)
- Graciela E Escudero
- Instituto de Bioquímica y Farmacia (IByF), Centro de Investigación e Innovación Tecnológica (CENIIT), Universidad Nacional de La Rioja, Av. Luis Vernet y Apóstol Felipe, 5300, La Rioja, Argentina
| | - Carlos H Laino
- Instituto de Biotecnología, Centro de Investigación e Innovación Tecnológica (CENIIT), Universidad Nacional de La Rioja, Av. Luis Vernet y Apóstol Felipe, 5300, La Rioja, Argentina
| | - Gustavo A Echeverría
- Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata and IFLP(CONICET, CCT La Plata), C.C. 67, 1900, La Plata, Argentina
| | - Oscar E Piro
- Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata and IFLP(CONICET, CCT La Plata), C.C. 67, 1900, La Plata, Argentina
| | - Nancy Martini
- Centro de Química Inorgánica (CEQUINOR, CONICET, UNLP)-Departamento de Química- Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115- C.C.962- (B1900AVV), 1900, La Plata, Argentina
| | - Ailén N Rodríguez
- Universidad Nacional del Chaco Austral, Com. Fernández 755, CP 3700, Presidencia Roque Sáenz Peña, Chaco, Argentina
| | - Juan J Martínez Medina
- Universidad Nacional del Chaco Austral, Com. Fernández 755, CP 3700, Presidencia Roque Sáenz Peña, Chaco, Argentina
| | - Libertad L López Tévez
- Universidad Nacional del Chaco Austral, Com. Fernández 755, CP 3700, Presidencia Roque Sáenz Peña, Chaco, Argentina
| | - Evelina G Ferrer
- Centro de Química Inorgánica (CEQUINOR, CONICET, UNLP)-Departamento de Química- Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115- C.C.962- (B1900AVV), 1900, La Plata, Argentina
| | - Patricia A M Williams
- Centro de Química Inorgánica (CEQUINOR, CONICET, UNLP)-Departamento de Química- Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115- C.C.962- (B1900AVV), 1900, La Plata, Argentina.
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14
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Yasarawan N, Thipyapong K, Ruangpornvisuti V. Chelation behavior of various flavonols and transfer of flavonol-chelated zinc(II) to alanylaspartic dipeptide: A PCM/DFT investigation. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2015.11.059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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15
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Lee HJ, Kerr RA, Korshavn KJ, Lee J, Kang J, Ramamoorthy A, Ruotolo BT, Lim MH. Effects of hydroxyl group variations on a flavonoid backbone toward modulation of metal-free and metal-induced amyloid-β aggregation. Inorg Chem Front 2016. [DOI: 10.1039/c5qi00219b] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Structural variations of a flavonoid framework noticeably tune the interaction and reactivity of flavonoids with metals, Aβ, and metal–Aβ.
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Affiliation(s)
- Hyuck Jin Lee
- Department of Chemistry
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan 44919
- Korea
- Department of Chemistry
| | | | | | - Jeeyeon Lee
- Department of Chemistry
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan 44919
- Korea
| | - Juhye Kang
- Department of Chemistry
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan 44919
- Korea
| | | | | | - Mi Hee Lim
- Department of Chemistry
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan 44919
- Korea
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16
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Kasprzak MM, Erxleben A, Ochocki J. Properties and applications of flavonoid metal complexes. RSC Adv 2015. [DOI: 10.1039/c5ra05069c] [Citation(s) in RCA: 225] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Flavonoid metal complexes have a wide spectrum of activities as well as potential and actual applications.
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Affiliation(s)
- Maria M. Kasprzak
- Department of Bioinorganic Chemistry
- Medical University of Lodz
- Lodz
- Poland
| | - Andrea Erxleben
- School of Chemistry
- National University of Ireland
- Galway
- Ireland
| | - Justyn Ochocki
- Department of Bioinorganic Chemistry
- Medical University of Lodz
- Lodz
- Poland
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17
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Cai XP, Luo JY, Xu X, Jiang ZS, Li H. Tunable photoluminescence properties of [Ru(bpy)2(tatp)]2+ bound to a BSA–SWCNTs film upon incorporation of [Co(phen)3]3+. J Photochem Photobiol A Chem 2014. [DOI: 10.1016/j.jphotochem.2014.06.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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18
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Kandasamy N, Ashokkumar N. Protective effect of bioflavonoid myricetin enhances carbohydrate metabolic enzymes and insulin signaling molecules in streptozotocin–cadmium induced diabetic nephrotoxic rats. Toxicol Appl Pharmacol 2014; 279:173-85. [DOI: 10.1016/j.taap.2014.05.014] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Revised: 05/11/2014] [Accepted: 05/28/2014] [Indexed: 12/24/2022]
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19
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Naso LG, Valcarcel M, Roura-Ferrer M, Kortazar D, Salado C, Lezama L, Rojo T, González-Baró AC, Williams PAM, Ferrer EG. Promising antioxidant and anticancer (human breast cancer) oxidovanadium(IV) complex of chlorogenic acid. Synthesis, characterization and spectroscopic examination on the transport mechanism with bovine serum albumin. J Inorg Biochem 2014; 135:86-99. [PMID: 24681549 DOI: 10.1016/j.jinorgbio.2014.02.013] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 02/10/2014] [Accepted: 02/11/2014] [Indexed: 01/21/2023]
Abstract
A new chlorogenate oxidovanadium complex (Na[VO(chlorog)(H2O)3].4H2O) was synthesized by using Schlenk methodology in the course of a reaction at inert atmosphere in which deprotonated chlorogenic acid ligand binds to oxidovanadium(IV) in a reaction experiment controlled via EPR technique and based in a species distribution diagram. The compound was characterized by FTIR, EPR, UV-visible and diffuse reflectance spectroscopies and thermogravimetric, differential thermal and elemental analyses. The ligand and the complex were tested for their antioxidant effects on DPPH (1,1-diphenyl-2-picrylhydrazyl radical), ABTS(+) (radical cation of 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt), O2(-), OH and ROO radicals and their cytotoxic activity on different cancer cell lines (SKBR3, T47D and MDAMB231) and primary human mammary epithelial cells. The complex behaved as good antioxidant agent with strongest inhibitory effects on O2(-), OH and ROO radicals and exhibited selective cytotoxicity against SKBR3 cancer cell line. Albumin interaction experiments denoted high affinity toward the complex and its calculated binding constant was indicative of a strong binding to the protein. Based on this study, it is hypothesized that Na[VO(chlorog)(H2O)3].4H2O would be a promising candidate for further evaluation as an antioxidant and anticancer agent.
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Affiliation(s)
- Luciana G Naso
- Centro de Química Inorgánica (CEQUINOR, CONICET, UNLP), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115, C.C. 962 (B1900AVV), 1900 La Plata, Argentina
| | - María Valcarcel
- INNOPROT, Parque Tecnológico de Bizkaia, Edf. 502-1°, Derio, Spain
| | | | - Danel Kortazar
- INNOPROT, Parque Tecnológico de Bizkaia, Edf. 502-1°, Derio, Spain
| | - Clarisa Salado
- INNOPROT, Parque Tecnológico de Bizkaia, Edf. 502-1°, Derio, Spain
| | - Luis Lezama
- Departamento de Química Inorgánica, Facultad de Ciencia y Tecnología, Universidad del Pais Vasco, Apdo 644, 48080 Bilbao, Spain
| | - Teofilo Rojo
- Departamento de Química Inorgánica, Facultad de Ciencia y Tecnología, Universidad del Pais Vasco, Apdo 644, 48080 Bilbao, Spain
| | - Ana C González-Baró
- Centro de Química Inorgánica (CEQUINOR, CONICET, UNLP), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115, C.C. 962 (B1900AVV), 1900 La Plata, Argentina
| | - Patricia A M Williams
- Centro de Química Inorgánica (CEQUINOR, CONICET, UNLP), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115, C.C. 962 (B1900AVV), 1900 La Plata, Argentina
| | - Evelina G Ferrer
- Centro de Química Inorgánica (CEQUINOR, CONICET, UNLP), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115, C.C. 962 (B1900AVV), 1900 La Plata, Argentina.
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20
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Shao J, Bao WG, Tian H, Li B, Zhao XF, Qiao X, Xu JY. Nuclease activity and protein-binding properties of a novel tetranuclear thiosemicarbazide Pt(ii) complex. Dalton Trans 2014; 43:1663-71. [DOI: 10.1039/c3dt52044g] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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21
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Álvarez-Diduk R, Ramírez-Silva MT, Galano A, Merkoçi A. Deprotonation Mechanism and Acidity Constants in Aqueous Solution of Flavonols: a Combined Experimental and Theoretical Study. J Phys Chem B 2013; 117:12347-59. [DOI: 10.1021/jp4049617] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ruslán Álvarez-Diduk
- Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Química, San Rafael Atlixco 186, Col. Vicentina, Iztapalapa, México D. F. 09340, Mexico
| | - María Teresa Ramírez-Silva
- Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Química, San Rafael Atlixco 186, Col. Vicentina, Iztapalapa, México D. F. 09340, Mexico
| | - Annia Galano
- Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Química, San Rafael Atlixco 186, Col. Vicentina, Iztapalapa, México D. F. 09340, Mexico
| | - Arben Merkoçi
- ICREA & ICN2—Institut Catala de Nanociencia i Nanotecnologia, Campus UAB, 08193 Bellaterra (Barcelona), Spain
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22
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Rodríguez-Rodríguez C, Telpoukhovskaia M, Orvig C. The art of building multifunctional metal-binding agents from basic molecular scaffolds for the potential application in neurodegenerative diseases. Coord Chem Rev 2012. [DOI: 10.1016/j.ccr.2012.03.008] [Citation(s) in RCA: 126] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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23
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He X, Park HM, Hyung SJ, DeToma AS, Kim C, Ruotolo BT, Lim MH. Exploring the reactivity of flavonoid compounds with metal-associated amyloid-β species. Dalton Trans 2012; 41:6558-66. [PMID: 22437427 PMCID: PMC5007133 DOI: 10.1039/c2dt12207c] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Metal ions associated with amyloid-β (Aβ) peptides have been suggested to be involved in the development of Alzheimer's disease (AD), but this remains unclear and controversial. Some attempts to rationally design or select small molecules with structural moieties for metal chelation and Aβ interaction (i.e., bifunctionality) have been made to gain a better understanding of the hypothesis. In order to contribute to these efforts, four synthetic flavonoid derivatives FL1-FL4 were rationally selected according to the principles of bifunctionality and their abilities to chelate metal ions, interact with Aβ, inhibit metal-induced Aβ aggregation, scavenge radicals, and regulate the formation of reactive oxygen species (ROS) were studied using physical methods and biological assays. The compounds FL1-FL3 were able to chelate metal ions, but showed limited solubility in aqueous buffered solutions. In the case of FL4, which was most compatible with aqueous conditions, its binding affinities for Cu(2+) and Zn(2+) (nM and μM, respectively) were obtained through solution speciation studies. The direct interaction between FL4 and Aβ monomer was weak, which was monitored by NMR spectroscopy and mass spectrometry. Employing FL1-FL4, no noticeable inhibitory effect on metal-mediated Aβ aggregation was observed. Among FL1-FL4, FL3, having 3-OH, 4-oxo, and 4'-N(CH(3))(2) groups, exhibited similar antioxidant activity to the vitamin E analogue, Trolox, and ca. 60% reduction in the amount of hydrogen peroxide (H(2)O(2)) generated by Cu(2+)-Aβ in the presence of dioxygen (O(2)) and a reducing agent. Overall, the studies here suggest that although four flavonoid molecules were selected based on expected bifunctionality, their properties and metal-Aβ reactivity were varied depending on the structure differences, demonstrating that bifunctionality must be well tuned to afford desirable reactivity.
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Affiliation(s)
- Xiaoming He
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109-2216 (USA)
| | - Hyun Min Park
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109-2216 (USA)
- Department of Chemistry, Seoul National University of Science and Technology, Seoul 139-743 (Korea)
| | - Suk-Joon Hyung
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109-1055 (USA)
| | - Alaina S. DeToma
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109-1055 (USA)
| | - Cheal Kim
- Department of Chemistry, Seoul National University of Science and Technology, Seoul 139-743 (Korea)
| | - Brandon T. Ruotolo
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109-1055 (USA)
| | - Mi Hee Lim
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109-2216 (USA)
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109-1055 (USA)
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24
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Peng M, Shi S, Zhang Y. The influence of Cd²⁺, Hg²⁺ and Pb²⁺ on taxifolin binding to bovine serum albumin by spectroscopic methods: with the viewpoint of toxic ions/drug interference. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2012; 33:327-333. [PMID: 22301163 DOI: 10.1016/j.etap.2011.12.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Revised: 12/24/2011] [Accepted: 12/24/2011] [Indexed: 05/31/2023]
Abstract
The effect of heavy metal ions, Cd(2+), Hg(2+) and Pb(2+) on taxifolin binding to bovine serum albumin (BSA) has been investigated by spectroscopic methods. The results indicated that the presence of heavy metal ions significantly affected the binding modes and binding affinities of taxifolin to BSA, and the effects depended on the type of heavy metal ions. One binding mode was found for taxifolin with and without Cd(2+), while two binding modes-a weaker one at low concentration and a stronger one at high concentration-were found for taxifolin in the presence of Hg(2+) and Pb(2+). Cd(2+) decreased the binding affinity of taxifolin for BSA by 7.3%; however, Hg(2+) increased the binding affinity of taxifolin for BSA by 13.3% in lower concentration and 33.3% in higher concentration. Pb(2+) decreased the binding affinity of taxifolin for BSA by 28.4% in lower concentration, and increased the binding affinity of taxifolin for BSA by 20.6% in higher concentration. The decreased binding affinity of taxifolin for BSA in the presence of Cd(2+) was mainly because of the existence of competitive binding between taxifolin and Cd(2+). However, the conformational change of BSA may the main reason for the changed binding affinity and binding distance of taxifolin for BSA in the presence of Hg(2+) and Pb(2+).
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Affiliation(s)
- Mijun Peng
- Key Laboratory of Hunan Forest Products and Chemical Industry Engineering, Jishou University, Zhangjiajie 427000, China
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25
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Xiao J, Zhao Y, Mao F, Liu J, Wu M, Yu X. Investigation of the toxic effect of a QDs heterojunction on the interactions between small molecules and plasma proteins by fluorescence and resonance light-scattering spectra. Analyst 2012; 137:195-201. [PMID: 22046581 DOI: 10.1039/c1an15457e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Jianbo Xiao
- College of Life & Environment Science, Shanghai Normal University, 100 Guilin Rd, Shanghai, 200234, PR China.
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26
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Xiao J, Kai G. A Review of Dietary Polyphenol-Plasma Protein Interactions: Characterization, Influence on the Bioactivity, and Structure-Affinity Relationship. Crit Rev Food Sci Nutr 2012; 52:85-101. [PMID: 21991992 DOI: 10.1080/10408398.2010.499017] [Citation(s) in RCA: 164] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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27
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Patel D, Patel K, Gadewar M, Tahilyani V. Pharmacological and bioanalytical aspects of galangin-a concise report. Asian Pac J Trop Biomed 2012. [DOI: 10.1016/s2221-1691(12)60205-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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28
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Peng M, Shi S, Zhang Y. Influence of Cd2+, Hg2+ and Pb2+ on (+)-catechin binding to bovine serum albumin studied by fluorescence spectroscopic methods. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 85:190-197. [PMID: 22024460 DOI: 10.1016/j.saa.2011.09.059] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2011] [Revised: 09/18/2011] [Accepted: 09/28/2011] [Indexed: 05/31/2023]
Abstract
The effect of heavy metal ions, Cd(2+), Hg(2+) and Pb(2+) on (+)-catechin binding to bovine serum albumin (BSA) has been investigated by spectroscopic methods. The results indicated that the presence of heavy metal ions significantly affected the binding modes and binding affinities of (+)-catechin to BSA, and the effects depend on the types of heavy metal ion. One binding mode was found for (+)-catechin with and without Cd(2+), while two binding modes - a weaker one at low concentration and a stronger one at high concentration were found for (+)-catechin in the presence of Hg(2+) and Pb(2+). The presence of Cd(2+) decreased the binding affinities of (+)-catechin for BSA by 20.5%. The presence of Hg(2+) and Pb(2+) decreased the binding affinity of (+)-catechin for BSA by 8.9% and 26.7% in lower concentration, respectively, and increased the binding affinity of (+)-catechin for BSA by 5.2% and 9.2% in higher concentration, respectively. The changed binding affinity and binding distance of (+)-catechin for BSA in the presence of Cd(2+), Hg(2+) and Pb(2+) were mainly because of the conformational change of BSA induced by heavy metal ions. However, the quenching mechanism for (+)-catechin to BSA was based on static quenching combined with non-radiative energy transfer irrespective of the absence or presence of heavy metal ions.
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Affiliation(s)
- Mijun Peng
- Key Laboratory of Hunan Forest Products and Chemical Industry Engineering, Jishou University, Zhangjiajie 427000, China
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29
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ZnO-ZnS QDs interfacial heterostructure for drug and food delivery application: enhancement of the binding affinities of flavonoid aglycones to bovine serum albumin. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2011; 7:850-8. [PMID: 21371570 DOI: 10.1016/j.nano.2011.02.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Revised: 01/04/2011] [Accepted: 02/05/2011] [Indexed: 02/08/2023]
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30
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Zhang Y, Shi S, Liu Y, Chen X, Peng M. Differential effects of Cu(II) and Fe(III) on the binding of omeprazole and pantoprazole to bovine serum albumin: Toxic effect of metal ions on drugs. J Pharm Biomed Anal 2011; 56:1064-8. [DOI: 10.1016/j.jpba.2011.08.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Revised: 08/01/2011] [Accepted: 08/04/2011] [Indexed: 12/19/2022]
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31
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The effect of Cu2+ on interaction between flavonoids with different C-ring substituents and bovine serum albumin: Structure–affinity relationship aspect. J Inorg Biochem 2011; 105:1529-37. [DOI: 10.1016/j.jinorgbio.2011.08.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2011] [Revised: 08/06/2011] [Accepted: 08/11/2011] [Indexed: 01/21/2023]
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32
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Huang Y, Cui LJ, Wang JM, Huo K, Chen C, Zhan WH, Dou YH. Comparative studies on interactions of baicalein, baicalin and scutellarin with lysozyme. Eur J Med Chem 2011; 46:6039-45. [DOI: 10.1016/j.ejmech.2011.10.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 10/02/2011] [Accepted: 10/07/2011] [Indexed: 11/28/2022]
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33
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Zhang Y, Shi S, Sun X, Huang K, Chen X, Peng M. Structure-affinity relationship of bovine serum albumin with dietary flavonoids with different C-ring substituents in the presence of Fe3+ ion. Food Res Int 2011. [DOI: 10.1016/j.foodres.2011.06.045] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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34
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Zhang HX, Mei P. Synthesis of morin-zinc(II) complex and its interaction with serum albumin. Biol Trace Elem Res 2011; 143:677-87. [PMID: 21113687 DOI: 10.1007/s12011-010-8903-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2010] [Accepted: 11/10/2010] [Indexed: 11/25/2022]
Abstract
A morin-zinc(II) complex (MZ) was synthesized and its interaction with bovine serum albumin (BSA) were studied by molecular spectroscopy including fluorescence emission spectra, UV-visible spectra, circular dichroism (CD) spectra, three-dimensional fluorescence spectra, and synchronous fluorescence spectra. The interaction mechanism of BSA and MZ was discussed by fluorescence quenching method and Förster non-radiation energy transfer theory. The thermodynamic parameters ΔHθ, ΔGθ, ΔSθ at different temperatures were calculated and the results indicate the interaction is an exothermic as well as entropy-driven process. Hydrogen bond forces played the most important role in the reaction. The fluorescence probe experiment showed that the binding site of MZ is in subdomain IIA of BSA and the distance between BSA and MZ is 3.17 nm at normal body temperature. The conformation changes of BSA in presence of MZ were investigated by CD spectra and three-dimensional fluorescence spectra.
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Affiliation(s)
- Hua-xin Zhang
- College of Chemical and Environmental Engineering, Yangtze University, Jingzhou, Hubei, 434023, People's Republic of China.
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Chen T, Cao H, Zhu S, Lu Y, Shang Y, Wang M, Tang Y, Zhu L. Investigation of the binding of Salvianolic acid B to human serum albumin and the effect of metal ions on the binding. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 81:645-652. [PMID: 21782496 DOI: 10.1016/j.saa.2011.06.068] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2011] [Revised: 06/19/2011] [Accepted: 06/26/2011] [Indexed: 05/31/2023]
Abstract
The studies on the interaction between HSA and drugs have been an interesting research field in life science, chemistry and clinical medicine. There are also many metal ions present in blood plasma, thus the research about the effect of metal ions on the interaction between drugs and plasma proteins is crucial. In this study, the interaction of Salvianolic acid B (Sal B) with human serum albumin (HSA) was investigated by the steady-state, synchronous fluorescence and circular dichroism (CD) spectroscopies. The results showed that Sal B had a strong ability to quench the intrinsic fluorescence of HSA through a static quenching mechanism. Binding parameters calculated showed that Sal B was bound to HSA with the binding affinities of 10(5) L mol(-1). The thermodynamic parameters studies revealed that the binding was characterized by positive enthalpy and positive entropy changes, and hydrophobic interactions were the predominant intermolecular forces to stabilize the complex. The specific binding distance r (2.93 nm) between donor (HSA) and acceptor (Sal B) was obtained according to Förster non-radiative resonance energy transfer theory. The synchronous fluorescence experiment revealed that Sal B cannot lead to the microenvironmental changes around the Tyr and Trp residues of HSA, and the binding site of Sal B on HSA is located in hydrophobic cavity of subdomain IIA. The CD spectroscopy indicated the secondary structure of HSA is not changed in the presence of Sal B. Furthermore, The effect of metal ions (e.g. Zn(2+), Cu(2+), Co(2+), Ni(2+), Fe(3+)) on the binding constant of Sal B-HSA complex was also discussed.
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Affiliation(s)
- Tingting Chen
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, PR China
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Xiao J, Zhao Y, Wang H, Yuan Y, Yang F, Zhang C, Yamamoto K. Noncovalent Interaction of Dietary Polyphenols with Common Human Plasma Proteins. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:10747-54. [PMID: 21863815 DOI: 10.1021/jf2029829] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jianbo Xiao
- Department of Biology, College of Life & Environment Science, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, PR China
- Department of Nutrition, Faculty of Health and Welfare, Okayama Prefectural University, Soja, Okayama, Japan
| | - Yaru Zhao
- Department of Biology, College of Life & Environment Science, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, PR China
| | - Hui Wang
- Shanghai Dahua Hospital, Shanghai 200237, PR China
| | | | - Fan Yang
- Department of Biology, College of Life & Environment Science, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, PR China
| | - Chao Zhang
- Department of Biology, College of Life & Environment Science, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, PR China
| | - Koichiro Yamamoto
- Department of Nutrition, Faculty of Health and Welfare, Okayama Prefectural University, Soja, Okayama, Japan
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Meng FY, Yu SR, Liang LX, Zhong XP, Wang L, Zhu JM, Lin CW. Synthesis and Structural Studies of an Organic Complex and its Association with BSA. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.7.2253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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DeToma AS, Choi JS, Braymer JJ, Lim MH. Myricetin: A Naturally Occurring Regulator of Metal-Induced Amyloid-β Aggregation and Neurotoxicity. Chembiochem 2011; 12:1198-201. [DOI: 10.1002/cbic.201000790] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2010] [Indexed: 11/10/2022]
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Xiao J, Kai G, Yang F, Liu C, Xu X, Yamamoto K. Molecular structure-affinity relationship of natural polyphenols for bovine γ-globulin. Mol Nutr Food Res 2011; 55 Suppl 1:S86-92. [PMID: 21225618 DOI: 10.1002/mnfr.201000496] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Revised: 10/21/2010] [Accepted: 11/02/2010] [Indexed: 02/05/2023]
Affiliation(s)
- Jianbo Xiao
- Department of Biology, College of Life & Environment Science, Shanghai Normal University, Shanghai, P.R. China.
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Xiao J, Wang F, Liu J, Wang L, Kai G, Yu X. Effect of ZnO#ZnS QDs heterojunctures on the stilbenes–plasma proteins interactions. MOLECULAR BIOSYSTEMS 2011; 7:2452-8. [PMID: 21611669 DOI: 10.1039/c1mb05087g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Jianbo Xiao
- College of Life & Environment Science, Shanghai Normal University, Shanghai, PR China
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He T, Liang Q, Luo T, Wang Y, Luo G. Study on Interactions of Phenolic Acid-Like Drug Candidates with Bovine Serum Albumin by Capillary Electrophoresis and Fluorescence Spectroscopy. J SOLUTION CHEM 2010. [DOI: 10.1007/s10953-010-9608-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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