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Babayan-Mashhadi F, Rezvani-Noghani A, Mokaberi P, Amiri-Tehranizadeh Z, Saberi MR, Chamani J. Exploring the binding behavior mechanism of vitamin B 12 to α-Casein and β-Casein: multi-spectroscopy and molecular dynamic approaches. J Biomol Struct Dyn 2024; 42:5995-6012. [PMID: 37403294 DOI: 10.1080/07391102.2023.2230295] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 06/21/2023] [Indexed: 07/06/2023]
Abstract
The aim of this study was to investigate the behavior interaction of α-Casein-B12 and β-Casein-B12 complexes as binary systems through the methods of multiple spectroscopic, zeta potential, calorimetric, and molecular dynamics (MD) simulation. Fluorescence spectroscopy denoted the role ofB12as a quencher in both cases of α-Casein and β-Casein fluorescence intensities, which also verifies the existence of interactions. The quenching constants of α-Casein-B12 and β-Casein-B12 complexes at 298 K in the first set of binding sites were 2.89 × 104 and 4.41 × 104 M-1, while the constants of second set of binding sites were 8.56 × 104 and 1.58 × 105 M-1, respectively. The data of synchronized fluorescence spectroscopy at Δλ = 60 nm were indicative of the closer location of β-Casein-B12 complex to the Tyr residues. Additionally, the binding distance between B12 and the Trp residues of α-Casein and β-Casein were obtained in accordance to the Förster's theory of nonradioactive energy transfer to be 1.95 nm and 1.85 nm, respectively. Relatively, the RLS results demonstrated the production of larger particles in both systems, while the outcomes of zeta potential confirmed the formation of α-Casein-B12 and β-Casein-B12 complexes and approved the existence of electrostatic interactions. We also evaluated the thermodynamic parameters by considering the fluorescence data at three varying temperatures. According to the nonlinear Stern-Volmer plots of α-Casein and β-Casein in the presence of B12 in binary systems, the two sets of binding sites indicated the detection of two types of interaction behaviors. Time-resolved fluorescence results revealed that the fluorescence quenching of complexes are static mechanism. Furthermore, the outcomes of circular dichroism (CD) represented the occurrence of conformational changes in α-Casein and β-Casein upon their binding to B12 as the binary system. The experimental results that were obtained throughout the binding of α-Casein-B12 and β-Casein-B12 complexes were confirmed by molecular modeling.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | | | - Parisa Mokaberi
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Zeinab Amiri-Tehranizadeh
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Reza Saberi
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Jamshidkhan Chamani
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
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2
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Adebayo MA, Kolawole AN, Falese BA, Kolawole AO. Spectroscopic and in silico evaluation of hesperetin, aglycone flavanone, as a prospective regulatory ligand for human salivary α-amylase. J Biomol Struct Dyn 2024; 42:3177-3192. [PMID: 37382217 DOI: 10.1080/07391102.2023.2225621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 05/01/2023] [Indexed: 06/30/2023]
Abstract
The insight into the binding mechanism of hesperetin, an aglycone flavanone, with human salivary α-amylase (HSAA), simulated under physiological salivary condition, was explored using various spectroscopic approaches and in silico method. Hesperetin effectively quenched the intrinsic fluorescence of HSAA and the quenching was mixed quenching mechanism. The interaction perturbed the HSAA intrinsic fluorophore microenvironment and the enzyme global surface hydrophobicity. The negative values of ΔG for thermodynamic parameters and in silico study revealed the spontaneity of HSAA-hesperetin complex while the positive values of enthalpy change (ΔH) and entropy change (ΔS) showed noticeable involvement of hydrophobic bonding in the stabilization of the complex. Hesperetin was a mixed inhibitor for HSAA with a KI of 44.60 ± 1.63 μM and having apparent inhibition coefficient (α) of 0.26. Macromolecular crowding, given rise to microviscosity and anomalous diffusion, regulated the interaction. Sodium ion (Na+) created high ionic strength, also, modulated the interaction. The in silico study proposed the preferential binding of hesperetin at the active cleft domain of HSAA with the least energy of -8.0 kcal/mol. This work gives a novel insight on the potentials of hesperetin as a future prospective medicinal candidate in the management of postprandial hyperglycemic condition.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Masaudat A Adebayo
- Department of Science Laboratory Technology (Biochemistry Option), School of Science and Technology, Federal Polytechnic, Ede, Osun State, Nigeria
| | - Adejoke N Kolawole
- Biomolecular Structure and Dynamics Unit, Department of Biochemistry, The Federal University of Technology, Akure, Nigeria
| | - Babatunde A Falese
- Biomolecular Structure and Dynamics Unit, Department of Biochemistry, The Federal University of Technology, Akure, Nigeria
| | - Ayodele O Kolawole
- Biomolecular Structure and Dynamics Unit, Department of Biochemistry, The Federal University of Technology, Akure, Nigeria
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Kaffash M, Tolou-Shikhzadeh-Yazdi S, Soleimani S, Hoseinpoor S, Saberi MR, Chamani J. Spectroscopy and molecular simulation on the interaction of Nano-Kaempferol prepared by oil-in-water with two carrier proteins: An investigation of protein-protein interaction. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 309:123815. [PMID: 38154302 DOI: 10.1016/j.saa.2023.123815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/28/2023] [Accepted: 12/23/2023] [Indexed: 12/30/2023]
Abstract
In this work, the interaction of human serum albumin (HSA) and human holo-transferrin (HTF) with the prepared Nano-Kaempferol (Nano-KMP) through oil-in-water procedure was investigated in the form of binary and ternary systems by the utilization of different spectroscopy techniques along with molecular simulation and cancer cell experiments. According to fluorescence spectroscopy outcomes, Nano-KMP is capable of quenching both proteins as binary systems by a static mechanism, while in the form of (HSA-HTF) Nano-KMP as the ternary system, an unlinear Stern-Volmer plot was elucidated with the occurrence of both dynamic and static fluorescence quenching mechanisms in the binding interaction. In addition, the two acquired Ksv values in the ternary system signified the existence of two sets of binding sites with two different interaction behaviors. The binding constant values of HSA-Nano KMP, HTF-Nano-KMP, and (HSA-HTF) Nano-KMP complexes formation were (2.54 ± 0.03) × 104, (2.15 ± 0.02) × 104 and (1.43 ± 0.04) × 104M-1at the first set of binding sites and (4.68 ± 0.05) × 104 M-1 at the second set of binding sites, respectively. The data of thermodynamic parameters confirmed the major roles of hydrogen binding and van der Waals forces in the formation of HSA-Nano KMP and HTF-Nano KMP complexes. The thermodynamic parameter values of (HSA-HTF) Nano KMP revealed the dominance of hydrogen binding and van der Waals forces in the first set of binding sites and hydrophobic forces for the second set of binding sites. Resonance light scattering (RLS) analysis displayed the existence of a different interaction behavior for HSA-HTF complex in the presence of Nano-KMP as the ternary system. Moreover, circular dichroism (CD) technique affirmed the conformational changes of the secondary structure of proteins as binary and ternary systems. Molecular docking and molecular dynamics simulations (for 100 ns) were performed to investigate the mechanism of KMP binding to HSA, HTF, and HSA-HTF. Next to observing a concentration and time-dependent cytotoxicity, the down regulation of PI3K/AkT/mTOR pathway resulted in cell cycle arrest in SW480 cells.
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Affiliation(s)
- Maryam Kaffash
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | | | - Samane Soleimani
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Saeideh Hoseinpoor
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Mohammad Reza Saberi
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Jamshidkhan Chamani
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran.
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Patanè GT, Putaggio S, Tellone E, Barreca D, Ficarra S, Maffei C, Calderaro A, Laganà G. Catechins and Proanthocyanidins Involvement in Metabolic Syndrome. Int J Mol Sci 2023; 24:ijms24119228. [PMID: 37298181 DOI: 10.3390/ijms24119228] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Recent studies on natural antioxidant compounds have highlighted their potentiality against various pathological conditions. The present review aims to selectively evaluate the benefits of catechins and their polymeric structure on metabolic syndrome, a common disorder characterized by a cluster of three main risk factors: obesity, hypertension, and hyperglycemia. Patients with metabolic syndrome suffer chronic low inflammation state and oxidative stress both conditions effectively countered by flavanols and their polymers. The mechanism behind the activity of these molecules has been highlighted and correlated with the characteristic features present on their basic flavonoidic skelethon, as well as the efficient doses needed to perform their activity in both in vitro and in vivo studies. The amount of evidence provided in this review offers a starting point for flavanol dietary supplementation as a potential strategy to counteract several metabolic targets associated with metabolic syndrome and suggests a key role of albumin as flavanol-delivery system to the different target of action inside the organism.
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Affiliation(s)
- Giuseppe Tancredi Patanè
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Stefano Putaggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Ester Tellone
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Davide Barreca
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Silvana Ficarra
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Carlo Maffei
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Antonella Calderaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Giuseppina Laganà
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
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Nedić O, Penezić A, Minić S, Radomirović M, Nikolić M, Ćirković Veličković T, Gligorijević N. Food Antioxidants and Their Interaction with Human Proteins. Antioxidants (Basel) 2023; 12:antiox12040815. [PMID: 37107190 PMCID: PMC10135064 DOI: 10.3390/antiox12040815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/22/2023] [Accepted: 03/25/2023] [Indexed: 03/29/2023] Open
Abstract
Common to all biological systems and living organisms are molecular interactions, which may lead to specific physiological events. Most often, a cascade of events occurs, establishing an equilibrium between possibly competing and/or synergistic processes. Biochemical pathways that sustain life depend on multiple intrinsic and extrinsic factors contributing to aging and/or diseases. This article deals with food antioxidants and human proteins from the circulation, their interaction, their effect on the structure, properties, and function of antioxidant-bound proteins, and the possible impact of complex formation on antioxidants. An overview of studies examining interactions between individual antioxidant compounds and major blood proteins is presented with findings. Investigating antioxidant/protein interactions at the level of the human organism and determining antioxidant distribution between proteins and involvement in the particular physiological role is a very complex and challenging task. However, by knowing the role of a particular protein in certain pathology or aging, and the effect exerted by a particular antioxidant bound to it, it is possible to recommend specific food intake or resistance to it to improve the condition or slow down the process.
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Affiliation(s)
- Olgica Nedić
- Institute for the Application of Nuclear Energy, Department for Metabolism, University of Belgrade, Banatska 31b, 11080 Belgrade, Serbia
- Correspondence:
| | - Ana Penezić
- Institute for the Application of Nuclear Energy, Department for Metabolism, University of Belgrade, Banatska 31b, 11080 Belgrade, Serbia
| | - Simeon Minić
- Center of Excellence for Molecular Food Sciences, Department of Biochemistry, Faculty of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
| | - Mirjana Radomirović
- Center of Excellence for Molecular Food Sciences, Department of Biochemistry, Faculty of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
| | - Milan Nikolić
- Center of Excellence for Molecular Food Sciences, Department of Biochemistry, Faculty of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
| | - Tanja Ćirković Veličković
- Center of Excellence for Molecular Food Sciences, Department of Biochemistry, Faculty of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
- Serbian Academy of Sciences and Arts, Knez Mihailova 35, 11000 Belgrade, Serbia
| | - Nikola Gligorijević
- Institute for the Application of Nuclear Energy, Department for Metabolism, University of Belgrade, Banatska 31b, 11080 Belgrade, Serbia
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Ahmadi Oskooei F, Mehrzad J, Asoodeh A, Motavalizadehkakhky A. Olive oil-based quercetin nanoemulsion (QuNE)'s interactions with human serum proteins (HSA and HTF) and its anticancer activity. J Biomol Struct Dyn 2023; 41:778-791. [PMID: 34919017 DOI: 10.1080/07391102.2021.2012514] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The current study produced Quercetin nanoemulsions (QuNEs) for the purpose of improving Quercetin solubility in an aqueous polar condition and to analyze QuNE-protein formation (QuNE-human serum albumin (HSA) and QuNE-holo-transferrin (HTF)).QuNE was produced by utilizing an ultrasound-based emulsification method and was characterized by DLS, TEM, and SEM. Its interaction with HSA and HTF proteins was studied by analyzing the results of FRET and RLS spectroscopy, Stern-Volmer plotting, the Van't Hoff equation, CD spectroscopy, and molecular docking methods. Finally, QuNE's cytotoxic impact, cell death type induction, and antioxidant properties were evaluated by applying an MTT assay on a human hepatocyte cancer cell (HepG2), measuring Cas-3 gene expression, and conducting a DPPH antioxidant test, respectively. Compared to the non-entrapped Quercetin, Quercetin-entrapped nano-emulsions formed stable complexes with HSA and HTF by improving hydrophilic-hydrophobic interactions. The binding constant (BC), ΔH0, and ΔS0 indices for both the QuNE-HSA and QuNE-HTF complexes were measured at (4.92 × 105 and 11.99 × 104 M-1), (170.96 and -131.19 KJ.mol-1), and (-464.86 and 342.83J.mol-1K-1), respectively.QuNE lowered the HepG2 viability by up-regulating Cas-3 gene expression and thus inducing apoptosis. Moreover, a notable antioxidant impact on the QuNE was detected. Due to its ability in delivering Quercetin to HSA and HTF proteins and stabilizing their protein complexes, QuNE can be used as a suitable primary transporting agent whose formation of stable bio-accessible QuNE-HSA and -HTF protein complexes creates a safe and natural secondary delivery system, which has potential to be used as an efficient anticancer compound.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Farnaz Ahmadi Oskooei
- Department of Biochemistry, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
| | - Jamshid Mehrzad
- Department of Biochemistry, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
| | - Ahmad Asoodeh
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Alireza Motavalizadehkakhky
- Department of Chemistry, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran.,Advanced Research Center for Chemistry, Biochemistry & Nanomaterial, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
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7
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Liang F, Shi Y, Shi J, Cao W. Exploring the binding mechanism of pumpkin seed protein and apigenin: Spectroscopic analysis, molecular docking and molecular dynamics simulation. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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8
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Yuan JL, Ding CS, Li CL, Zhang Y, Kang X. Protective, controlled-release and embedding mechanism of porcine plasma protein cold-set gel on quercetin: An effective carrier of hydrophobic compounds. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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9
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Yuan E, Zhou M, Nie S, Ren J. Interaction mechanism between ZnO nanoparticles-whey protein and its effect on toxicity in GES-1 cells. J Food Sci 2022; 87:2417-2426. [PMID: 35590487 DOI: 10.1111/1750-3841.16193] [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: 02/20/2022] [Revised: 04/20/2022] [Accepted: 04/26/2022] [Indexed: 11/27/2022]
Abstract
The interaction between zinc oxide nanoparticles (ZnO NPs) and whey protein (WP) was studied. The gastric epithelial cell line (GES-1) was used to evaluate the toxicity intensity of ZnO NPs. The interaction mechanism of ZnO NPs and WP was studied by spectroscopic techniques. The results showed that the inhibitory effect of ZnO NPs on cells activity could be reduced when added to ZnO NPs at a concentration of 50 µg/ml. The fluorescence quenching mechanism of ZnO NPs on WP is a combination of dynamic and static quenching. The interaction force between ZnO NPs and WP can be considered as H-bond and VdW force, and they have two binding sites. The interaction between WP and ZnO NPs leads to the loosening of the structural skeleton of WP and the extension of peptide chain, which exposes the tyrosine (Tyr) and tryptophan (Trp) hydrophobic groups in the hydrophobic region of protein molecules and reduces the hydrophobicity of the microenvironment. The ZnO NPs might form a complex with WP through H-bond, hydrophobic interactions, and so on, leading to peptide chain rearrangement, and finally causing changes in the secondary structure of α-helix. Practical Application This study provides a theoretical basis for future research on the interaction between food ingredients and nanomaterials, the evaluation of toxicity of nanomaterials and the application scope of nanomaterials in food field.
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Affiliation(s)
- Erdong Yuan
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Miao Zhou
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Shiying Nie
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Jiaoyan Ren
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
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10
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Zhu S, Ding L, Zhou J, Tong S, Meng J, Li S, Liu C, Cheng Z, Mario G, Li W, Liu Y. Interaction thermodynamics studies of different surface-modified ZnSe QDs with BSA by spectroscopic and molecular simulation methods. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Falese BA, Kolawole AN, Sarumi OA, Kolawole AO. Probing the interaction of iminium form of sanguinarine with human salivary α-amylase by multi-spectroscopic techniques and molecular docking. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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Chang K, Liu J, Jiang W, Fan Y, Nan B, Ma S, Zhang Y, Liu B, Zhang T. Structural characteristics and foaming properties of ovalbumin - Caffeic acid complex. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111383] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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13
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Abdollahi K, Condict L, Hung A, Kasapis S. Binding parameters and molecular dynamics of β-lactoglobulin-vanillic acid complexation as a function of pH - Part A: Acidic pH. Food Chem 2021; 360:130059. [PMID: 34029923 DOI: 10.1016/j.foodchem.2021.130059] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/09/2021] [Accepted: 05/10/2021] [Indexed: 11/18/2022]
Abstract
Protein-phenolic compound interactions are commonly investigated with inappropriate linear equations for the analysis of binding strength and stoichiometry. This work utilises more appropriate protocols for the investigation of molecular interactions between vanillic acid and β-lactoglobulin at pH 2.4, where the protein predominately exists as a monomer. Non-linear binding and Job plot analysis were conducted on fluorescence data to effectively determine the interaction's dissociation constant (KD, 2.93 × 10-5 M) and stoichiometry (1:1). Furthermore, spectroscopic techniques revealed statistically significant alterations to the conformational characteristics of β-lactoglobulin upon complexation. Molecular dynamics (MD) simulations support a 1:1 interaction stoichiometry and reveal that the stabilisation of vanillic acid was dynamic in nature but mainly supported by four π-alkyl interactions and one hydrogen bond, located within the β-barrel of the monomer. Water molecules, which are generally not accounted for in MD simulation analysis, were shown to be an important factor in the ligand stabilization via bridging interactions.
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Affiliation(s)
- Kourosh Abdollahi
- School of Science, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia
| | - Lloyd Condict
- School of Science, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia
| | - Andrew Hung
- School of Science, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia
| | - Stefan Kasapis
- School of Science, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia.
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López-Yerena A, Perez M, Vallverdú-Queralt A, Escribano-Ferrer E. Insights into the Binding of Dietary Phenolic Compounds to Human Serum Albumin and Food-Drug Interactions. Pharmaceutics 2020; 12:E1123. [PMID: 33233356 PMCID: PMC7700232 DOI: 10.3390/pharmaceutics12111123] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/18/2020] [Accepted: 11/20/2020] [Indexed: 02/06/2023] Open
Abstract
The distribution of drugs and dietary phenolic compounds in the systemic circulation de-pends on, among other factors, unspecific/specific reversible binding to plasma proteins such as human serum albumin (HSA). Phenolic substances, present in plant-derived feeds, foods, beverages, herbal medicines, and dietary supplements, are of great interest due to their biological activity. Recently, considerable research has been directed at the formation of phenol-HSA complexes, focusing above all on structure-affinity relationships. The nucleophilicity and planarity of molecules can be altered by the number and position of hydroxyl groups on the aromatic ring and by hydrogenation. Binding affinities towards HSA may also differ between phenolic compounds in their native form and conjugates derived from phase II reactions. On the other hand, food-drug interactions may increase the concentration of free drugs in the blood, affecting their transport and/or disposition and in some cases provoking adverse or toxic effects. This is caused mainly by a decrease in drug binding affinities for HSA in the presence of flavonoids. Accordingly, to avoid the side effects arising from changes in plasma protein binding, the intake of flavonoid-rich food and beverages should be taken into consideration when treating certain pathologies.
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Affiliation(s)
- Anallely López-Yerena
- Department of Nutrition, Food Science and Gastronomy XaRTA, Faculty of Pharmacy and Food Sciences, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (M.P.); (A.V.-Q.)
| | - Maria Perez
- Department of Nutrition, Food Science and Gastronomy XaRTA, Faculty of Pharmacy and Food Sciences, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (M.P.); (A.V.-Q.)
- Laboratory of Organic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain
| | - Anna Vallverdú-Queralt
- Department of Nutrition, Food Science and Gastronomy XaRTA, Faculty of Pharmacy and Food Sciences, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (M.P.); (A.V.-Q.)
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
| | - Elvira Escribano-Ferrer
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
- Pharmaceutical Nanotechnology Group I+D+I Associated Unit to CSIC, Biopharmaceutics and Pharmacokinetics Unit, Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Institute of Nanoscience and Nanotechnology (IN2UB), Pharmacy and Food Sciences School, University of Barcelona, 08028 Barcelona, Spain
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15
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Huang Y, Du H, Kamal GM, Cao Q, Liu C, Xiong S, Manyande A, Huang Q. Studies on the Binding Interactions of Grass Carp (Ctenopharyngodon idella) Myosin with Chlorogenic Acid and Rosmarinic Acid. FOOD BIOPROCESS TECH 2020. [DOI: 10.1007/s11947-020-02483-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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16
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Mokaberi P, Babayan-Mashhadi F, Amiri Tehrani Zadeh Z, Saberi MR, Chamani J. Analysis of the interaction behavior between Nano-Curcumin and two human serum proteins: combining spectroscopy and molecular stimulation to understand protein-protein interaction. J Biomol Struct Dyn 2020; 39:3358-3377. [DOI: 10.1080/07391102.2020.1766570] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Parisa Mokaberi
- Department of Biology, Faculty of Sciences, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Fatemeh Babayan-Mashhadi
- Department of Biology, Faculty of Sciences, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Zeinab Amiri Tehrani Zadeh
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Reza Saberi
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Jamshidkhan Chamani
- Department of Biology, Faculty of Sciences, Mashhad Branch, Islamic Azad University, Mashhad, Iran
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Lyu S, Wang W. Spectroscopic methodologies and computational simulation studies on the characterization of the interaction between human serum albumin and astragalin. J Biomol Struct Dyn 2020; 39:2959-2970. [DOI: 10.1080/07391102.2020.1758213] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- ShaoLi Lyu
- Department of Ecology and Resource Engineering, Hetao College, Bayannur, Inner Mongolia, PR of China
| | - Wang Wang
- Key Laboratory of Bio-resources and Eco-environment of the Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, PR of China
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Puscas C, Mircea A, Raiu M, Mic M, Attia AAA, Silaghi-Dumitrescu R. Affinity and Effect of Anticancer Drugs on the Redox Reactivity of Hemoglobin. Chem Res Toxicol 2019; 32:1402-1411. [PMID: 31268688 DOI: 10.1021/acs.chemrestox.9b00094] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Hemoglobin's redox reactivity is affected by anticancer drugs of the antitubulin class. Direct binding of these drugs to hemoglobin, with biomedically relevant affinities, is demonstrated. While this interaction is mostly allosteric, in the case of docetaxel, a direct redox reaction is also observed-correlating well with structural differences between the four compounds. A role for Tyr145 in this reactivity is proposed, in line with previous observations of the importance of this amino acid in the reactivity of Hb toward agents of oxidative stress. A susceptibility of vinorelbin (and to a lower extent of paclitaxel) toward peroxide and peroxidase is shown.
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Affiliation(s)
- Cristina Puscas
- Department of Chemistry , Babes-Bolyai University , 1 Mihail Kogalniceanu Street , Cluj-Napoca 400084 , Romania
| | - Alina Mircea
- Department of Chemistry , Babes-Bolyai University , 1 Mihail Kogalniceanu Street , Cluj-Napoca 400084 , Romania
| | - Madalina Raiu
- Department of Chemistry , Babes-Bolyai University , 1 Mihail Kogalniceanu Street , Cluj-Napoca 400084 , Romania
| | - Mihaela Mic
- Department of Molecular and Biomolecular Physics , National Institute of Isotopic and Molecular Technologies , 400293 Cluj-Napoca , Romania
| | - Amr A A Attia
- Department of Chemistry , Babes-Bolyai University , 1 Mihail Kogalniceanu Street , Cluj-Napoca 400084 , Romania
| | - Radu Silaghi-Dumitrescu
- Department of Chemistry , Babes-Bolyai University , 1 Mihail Kogalniceanu Street , Cluj-Napoca 400084 , Romania
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19
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Raikos V, Hays H, Stead D, Ni H. Angiotensin‐converting enzyme inhibitory activity of hydrolysates generated from whey protein fortified with salal fruits (
Galtheria shallon
) by enzymatic treatment with Pronase from
Streptomyces griseus. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14211] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Vassilios Raikos
- Rowett Institute University of Aberdeen Foresterhill Aberdeen AB25 2ZD UK
| | - Helen Hays
- Rowett Institute University of Aberdeen Foresterhill Aberdeen AB25 2ZD UK
| | - David Stead
- Rowett Institute University of Aberdeen Foresterhill Aberdeen AB25 2ZD UK
| | - He Ni
- Guangdong Provincial Key Lab of Biotechnology for Plant Development School of Life Sciences South China Normal University Guangzhou510631China
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Baghaee PT, Divsalar A, Chamani J, Donya A. Human serum albumin–malathion complex study in the presence of silver nanoparticles at different sizes by multi spectroscopic techniques. J Biomol Struct Dyn 2018; 37:2254-2264. [DOI: 10.1080/07391102.2018.1491416] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Parisa Teimoori Baghaee
- Department of Biology, Faculty of Sciences, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Adeleh Divsalar
- Department of Cell & Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Jamshikhan Chamani
- Department of Biology, Faculty of Sciences, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Atena Donya
- Department of Biology, Faculty of Sciences, Mashhad Branch, Islamic Azad University, Mashhad, Iran
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21
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Kolawole AN, Akinladejo VT, Elekofehinti OO, Akinmoladun AC, Kolawole AO. Experimental and computational modeling of interaction of kolaviron-kolaflavanone with aldehyde dehydrogenase. Bioorg Chem 2018. [DOI: 10.1016/j.bioorg.2018.02.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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22
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Introduction of fluorinated environment on metformin. Evaluation of its serum-albumin interaction with molecular modeling studies. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.03.083] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Dissection of the interaction between human holo-transferrin and ciprofloxacin in the presence of silver nanoparticles: spectroscopic approaches. Biologia (Bratisl) 2017. [DOI: 10.1515/biolog-2017-0066] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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24
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Atarodi Shahri P, Sharifi Rad A, Beigoli S, Saberi MR, Chamani J. Human serum albumin–amlodipine binding studied by multi-spectroscopic, zeta-potential, and molecular modeling techniques. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2017. [DOI: 10.1007/s13738-017-1226-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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25
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Wang B, Qin Q, Chang M, Li S, Shi X, Xu G. Molecular interaction study of flavonoids with human serum albumin using native mass spectrometry and molecular modeling. Anal Bioanal Chem 2017; 410:827-837. [PMID: 28840311 DOI: 10.1007/s00216-017-0564-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 06/30/2017] [Accepted: 08/02/2017] [Indexed: 11/29/2022]
Abstract
Noncovalent interactions between proteins and small-molecule ligands widely exist in biological bodies and play significant roles in many physiological and pathological processes. Native mass spectrometry (MS) has emerged as a new powerful tool to study noncovalent interactions by directly analyzing the ligand-protein complexes. In this work, an ultrahigh-resolution native MS method based on a 15-T SolariX XR Fourier transform ion cyclotron resonance mass spectrometer was firstly used to investigate the interaction between human serum albumin (HSA) and flavonoids. Various flavonoids with similar structure were selected to unravel the relationship between the structure of flavonoids and their binding affinity for HSA. It was found that the position of the hydroxyl groups and double bond of flavonoids could influence the noncovalent interaction. Through a competitive experiment between HSA binding site markers and apigenin, the subdomain IIA (site 1) of HSA was determined as the binding site for flavonoids. Moreover, a cooperative allosteric interaction between apigenin and ibuprofen was found from their different HSA binding sites, which was further verified by circular dichroism spectroscopy and molecular docking studies. These results show that native MS is a useful tool to investigate the molecular interaction between a protein and its ligands. Graphical abstract Unravel the relationship between the structure of flavonoids and their binding affinity to HSA by native MS.
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Affiliation(s)
- Bohong Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qian Qin
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Mengmeng Chang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shuyan Li
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Xianzhe Shi
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.
| | - Guowang Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.
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26
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Ali K, Abul Qais F, Dwivedi S, Abdel-Salam EM, Ansari SM, Saquib Q, Faisal M, Al-Khedhairy AA, Al-Shaeri M, Musarrat J. Titanium dioxide nanoparticles preferentially bind in subdomains IB, IIA of HSA and minor groove of DNA. J Biomol Struct Dyn 2017; 36:2530-2542. [DOI: 10.1080/07391102.2017.1361339] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Khursheed Ali
- Faculty of Agricultural Sciences, Department of Agricultural Microbiology, Aligarh Muslim University, Aligarh, India
| | - Faizan Abul Qais
- Faculty of Agricultural Sciences, Department of Agricultural Microbiology, Aligarh Muslim University, Aligarh, India
| | - Sourabh Dwivedi
- Faculty of Agricultural Sciences, Department of Agricultural Microbiology, Aligarh Muslim University, Aligarh, India
| | - Eslam M. Abdel-Salam
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sabiha M. Ansari
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Quaiser Saquib
- Zoology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mohammad Faisal
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Majed Al-Shaeri
- Faculty of Science, Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Javed Musarrat
- Faculty of Agricultural Sciences, Department of Agricultural Microbiology, Aligarh Muslim University, Aligarh, India
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
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27
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Pang W, Lv J, Du S, Wang J, Wang J, Zeng Y. Preparation of Curcumin-Piperazine Coamorphous Phase and Fluorescence Spectroscopic and Density Functional Theory Simulation Studies on the Interaction with Bovine Serum Albumin. Mol Pharm 2017; 14:3013-3024. [PMID: 28703594 DOI: 10.1021/acs.molpharmaceut.7b00217] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In the present study, a new coamorphous phase (CAP) of bioactive herbal ingredient curcumin (CUR) with high solubilitythe was screened with pharmaceutically acceptable coformers. Besides, to provide basic information for the best practice of physiological and pharmaceutical preparations of CUR-based CAP, the interaction between CUR-based CAP and bovine serum albumin (BSA) was studied at the molecular level in this paper. CAP of CUR and piperazine with molar ratio of 1:2 was prepared by EtOH-assisted grinding. The as-prepared CAP was characterized by powder X-ray diffraction, modulated temperature differential scanning calorimetry, thermogravimetric analysis, Fourier-transform infrared, and solid-state 13C nuclear magnetic resonance. The 1:2 CAP stoichioimetry was sustained by C═O···H hydrogen bonds between the N-H group of the piperazine and the C═O group of CUR; piperazine stabilized the diketo structure of CUR in CAP. The dissolution rate of CUR-piperazine CAP in 30% ethanol-water was faster than that of CUR; the t50 values were 243.1 min for CUR and 4.378 min for CAP. Furthermore, interactions of CUR and CUR-piperazine CAP with BSA were investigated by fluorescence spectroscopy and density functional theory (DFT) calculation. The binding constants (Kb) of CUR and CUR-piperazine CAP with BSA were 10.0 and 9.1 × 103 L mol-1 at 298 K, respectively. Moreover, DFT simulation indicated that the interaction energy values of hydrogen-bonded interaction in the tryptophan-CUR and tryptophan-CUR-piperazine complex were -26.1 and -17.9 kJ mol-1, respectively. In a conclusion, after formation of CUR-piperazine CAP, the interaction forces between CUR and BSA became weaker.
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Affiliation(s)
- Wenzhe Pang
- College of Pharmaceutical Sciences, Hebei Medical University , Shijiazhuang, 050017, China
| | - Jie Lv
- College of Pharmaceutical Sciences, Hebei Medical University , Shijiazhuang, 050017, China
| | - Shuang Du
- College of Pharmaceutical Sciences, Hebei Medical University , Shijiazhuang, 050017, China
| | - Jiaojiao Wang
- College of Chemistry and Material Science, Hebei Normal University , Shijiazhuang 050024, China
| | - Jing Wang
- College of Pharmaceutical Sciences, Hebei Medical University , Shijiazhuang, 050017, China
| | - Yanli Zeng
- College of Chemistry and Material Science, Hebei Normal University , Shijiazhuang 050024, China
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28
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Pápay ZE, Kósa A, Böddi B, Merchant Z, Saleem IY, Zariwala MG, Klebovich I, Somavarapu S, Antal I. Study on the Pulmonary Delivery System of Apigenin-Loaded Albumin Nanocarriers with Antioxidant Activity. J Aerosol Med Pulm Drug Deliv 2017; 30:274-288. [DOI: 10.1089/jamp.2016.1316] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Affiliation(s)
- Zsófia Edit Pápay
- Department of Pharmaceutics, Semmelweis University, Budapest, Hungary
| | - Annamária Kósa
- Department of Plant Anatomy, Institute of Biology, Eötvös Lóránd University, Budapest, Hungary
| | - Béla Böddi
- Department of Plant Anatomy, Institute of Biology, Eötvös Lóránd University, Budapest, Hungary
| | - Zahra Merchant
- Department of Pharmaceutics, UCL School of Pharmacy, London, United Kingdom
| | - Imran Y Saleem
- Formulation and Drug Delivery Research, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, United Kingdom
| | - Mohammed Gulrez Zariwala
- Department of Biomedical Science, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - Imre Klebovich
- Department of Pharmaceutics, Semmelweis University, Budapest, Hungary
| | | | - István Antal
- Department of Pharmaceutics, Semmelweis University, Budapest, Hungary
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29
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Plotnikova OA, Mel’nikov AG, Mel’nikov GV, Kovalenko AV. Luminescencence determination of ecotoxicants in protein-based media. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B 2017. [DOI: 10.1134/s1990793117040212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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30
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Karim R, Palazzo C, Laloy J, Delvigne AS, Vanslambrouck S, Jerome C, Lepeltier E, Orange F, Dogne JM, Evrard B, Passirani C, Piel G. Development and evaluation of injectable nanosized drug delivery systems for apigenin. Int J Pharm 2017; 532:757-768. [PMID: 28456651 DOI: 10.1016/j.ijpharm.2017.04.064] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 04/21/2017] [Accepted: 04/25/2017] [Indexed: 12/16/2022]
Abstract
The purpose of this study was to develop different injectable nanosized drug delivery systems (NDDSs) i.e. liposome, lipid nanocapsule (LNC) and polymeric nanocapsule (PNC) encapsulating apigenin (AG) and compare their characteristics to identify the nanovector(s) that can deliver the largest quantity of AG while being biocompatible. Two liposomes with different surface characteristics (cationic and anionic), a LNC and a PNC were prepared. A novel tocopherol modified poly(ethylene glycol)-b-polyphosphate block-copolymer was used for the first time for the PNC preparation. The NDDSs were compared by their physicochemical characteristics, AG release, storage stability, stability in serum, complement consumption and toxicity against a human macrovascular endothelial cell line (EAhy926). The diameter and surface charge of the NDDSs were comparable with previously reported injectable nanocarriers. The NDDSs showed good encapsulation efficiency and drug loading. Moreover, the NDDSs were stable during storage and in fetal bovine serum for extended periods, showed low complement consumption and were non-toxic to EAhy926 cells up to high concentrations. Therefore, they can be considered as potential injectable nanocarriers of AG. Due to less pronounced burst effect and extended release characteristics, the nanocapsules could be favorable approaches for achieving prolonged pharmacological activity of AG using injectable NDDS.
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Affiliation(s)
- Reatul Karim
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, University of Liege, Liege, Belgium; MINT, UNIV Angers, INSERM 1066, CNRS 6021, Université Bretagne Loire, Angers, France.
| | - Claudio Palazzo
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, University of Liege, Liege, Belgium
| | - Julie Laloy
- Namur Nanosafety Centre, NARILIS, Department of Pharmacy, University of Namur, Namur, Belgium
| | - Anne-Sophie Delvigne
- Namur Nanosafety Centre, NARILIS, Department of Pharmacy, University of Namur, Namur, Belgium
| | - Stéphanie Vanslambrouck
- Center for Education and Research on Macromolecules (CERM), University of Liege, UR-CESAM, Liege, Belgium
| | - Christine Jerome
- Center for Education and Research on Macromolecules (CERM), University of Liege, UR-CESAM, Liege, Belgium
| | - Elise Lepeltier
- MINT, UNIV Angers, INSERM 1066, CNRS 6021, Université Bretagne Loire, Angers, France
| | - Francois Orange
- Université Côte d'Azur, Centre Commun de Microscopie Appliquée, Nice, France
| | - Jean-Michel Dogne
- Namur Nanosafety Centre, NARILIS, Department of Pharmacy, University of Namur, Namur, Belgium
| | - Brigitte Evrard
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, University of Liege, Liege, Belgium
| | - Catherine Passirani
- MINT, UNIV Angers, INSERM 1066, CNRS 6021, Université Bretagne Loire, Angers, France
| | - Géraldine Piel
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, University of Liege, Liege, Belgium
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31
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A comparison of the inclusion behavior of human serum albumin and holo transferrin with fluoxymesterone in the presence of three different cyclodextrins. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2017. [DOI: 10.1007/s13738-017-1085-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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32
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Probing the interaction between 7-O-β-d-glucopyranosyl-6-(3-methylbut-2-enyl)-5,4′-dihydroxyflavonol with bovine serum albumin (BSA). J Photochem Photobiol A Chem 2017. [DOI: 10.1016/j.jphotochem.2016.12.015] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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33
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Yang HY, Fu Y, Jang MS, Li Y, Lee JH, Chae H, Lee DS. Multifunctional Polymer Ligand Interface CdZnSeS/ZnS Quantum Dot/Cy3-Labeled Protein Pairs as Sensitive FRET Sensors. ACS APPLIED MATERIALS & INTERFACES 2016; 8:35021-35032. [PMID: 27983790 DOI: 10.1021/acsami.6b12877] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
High-quality CdZnSeS/ZnS alloyed core/thick-shell quantum dots (QDs) as energy donors were first exploited in Förster resonance energy transfer (FRET) applications. A highly efficient ligand-exchange method was used to prepare low toxicity, high quantum yield, stabile, and biocompatible CdZnSeS/ZnS QDs densely capped with multifunctional polymer ligands containing dihydrolipoic acid (DHLA). The resulting QDs can be applied to construct QDs-based Förster resonance energy transfer (FRET) systems by their high affinity interaction with dye cyanine 3 (Cy3)-labeled human serum albumin (HSA). This QD-based FRET protein complex can serve as a sensitive sensor for probing the interaction of clofazimine with proteins using fluorescence spectroscopic techniques. The ability of FRET imaging both in vitro and in vivo not only reveals that the current FRET system can remain intact for 2 h but also confirms the potential of the FRET system to act as a nanocarrier for intracellular protein delivery or to serve as an imaging probe for cancer diagnosis.
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Affiliation(s)
| | | | - Moon-Sun Jang
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine and Center for Molecular and Cellular Imaging, Samsung Biomedical Research Institute , Seoul 135-710, Republic of Korea
| | | | - Jung Hee Lee
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine and Center for Molecular and Cellular Imaging, Samsung Biomedical Research Institute , Seoul 135-710, Republic of Korea
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Assaran Darban R, Shareghi B, Asoodeh A, Chamani J. Multi-spectroscopic and molecular modeling studies of interaction between two different angiotensin I converting enzyme inhibitory peptides from gluten hydrolysate and human serum albumin. J Biomol Struct Dyn 2016; 35:3648-3662. [PMID: 27897084 DOI: 10.1080/07391102.2016.1264892] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The present study was carried out to characterize Angiotensin-converting enzyme (ACE) inhibitory peptides which are released from the trypsin hydrolysate of wheat gluten protein. The binding of two inhibitory peptide (P4 and P6) to human serum albumin (HSA) under physiological conditions has been investigated by multi-spectroscopic in combination with molecular modeling techniques. Time-resolved and quenching fluorescence spectroscopies results revealed that the quenching of HSA fluorescence by P4 and P6 in the binary and ternary systems caused HSA-peptides complexes formation. The results indicated that both peptides quenched the fluorescence intensity of HSA through a static mechanism. The binding affinities and number of binding sites were obtained for the HSA-peptides complexes. The circular dichroism (CD) data revealed that the presence of both peptides increased the α-helix content of HSA and induced the remarkable folding of the polypeptide of the protein. Therefore, the CD data determined that the protein structure has been stabilized in the percent of ACE inhibitory peptides in binary and ternary systems. The binding distances between HSA and both peptides were estimated by the Forster theory, and it was revealed that nonradiative energy transfer from HSA to peptides occurred with a high probability. ITC experiments reveal that, in the absence and presence of P6, the dominant forces are electrostatic in binary and ternary systems. Furthermore, molecular modeling studies confirmed the experimental results. Molecular modeling investigation suggested that P4 bound to the site IA and IIA of HSA in binary and ternary systems, respectively. This study on the interaction of peptides with HSA should prove helpful for realizing the distribution and transportation of food compliments and drugs in vivo, elucidating the action mechanism and dynamics of food compliments and drugs at the molecular level. It should moreover be of great use for understanding the pharmacokinetic and pharmacodynamic mechanism of the food compliments and drugs.
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Affiliation(s)
- Reza Assaran Darban
- a Department of Biology, Faculty of Science , University of Shahrekord , P.O. Box 115 , Shahrekord , Iran
| | - Behzad Shareghi
- a Department of Biology, Faculty of Science , University of Shahrekord , P.O. Box 115 , Shahrekord , Iran
| | - Ahmad Asoodeh
- b Department of Chemistry, Faculty of Sciences , Ferdowsi University of Mashhad , Mashhad , Iran
| | - Jamshidkhan Chamani
- c Department of Biochemistry and Biophysics, Faculty of Sciences , Mashhad Branch, Islamic Azad University , Mashhad , Iran
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35
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Guo M, Wang X, Lu X, Wang H, Brodelius PE. α-Mangostin Extraction from the Native Mangosteen (Garcinia mangostana L.) and the Binding Mechanisms of α-Mangostin to HSA or TRF. PLoS One 2016; 11:e0161566. [PMID: 27584012 PMCID: PMC5008840 DOI: 10.1371/journal.pone.0161566] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 08/08/2016] [Indexed: 01/13/2023] Open
Abstract
In order to obtain the biological active compound, α-mangostin, from the traditional native mangosteen (Garcinia mangostana L.), an extraction method for industrial application was explored. A high yield of α-mangostin (5.2%) was obtained by extraction from dried mangosteen pericarps with subsequent purification on macroporous resin HPD-400. The chemical structure of α-mangostin was verified mass spectrometry (MS), nuclear magnetic resonance (1H NMR and 13C NMR), infrared spectroscopy (IR) and UV-Vis spectroscopy. The purity of the obtained α-mangostin was 95.6% as determined by HPLC analysis. The binding of native α-mangostin to human serum albumin (HSA) or transferrin (TRF) was explored by combining spectral experiments with molecular modeling. The results showed that α-mangostin binds to HSA or TRF as static complexes but the binding affinities were different in different systems. The binding constants and thermodynamic parameters were measured by fluorescence spectroscopy and absorbance spectra. The association constant of HSA or TRF binding to α-mangostin is 6.4832×105 L/mol and 1.4652×105 L/mol at 298 K and 7.8619×105 L/mol and 1.1582×105 L/mol at 310 K, respectively. The binding distance, the energy transfer efficiency between α-mangostin and HSA or TRF were also obtained by virtue of the Förster theory of non-radiation energy transfer. The effect of α-mangostin on the HSA or TRF conformation was analyzed by synchronous spectrometry and fluorescence polarization studies. Molecular docking results reveal that the main interaction between α-mangostin and HSA is hydrophobic interactions, while the main interaction between α-mangostin and TRF is hydrogen bonding and Van der Waals forces. These results are consistent with spectral results.
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Affiliation(s)
- Ming Guo
- School of Science, Zhejiang Agricultural & Forestry University, Lin’an 311300, China
- * E-mail: (MG); (PB)
| | - Xiaomeng Wang
- School of Science, Zhejiang Agricultural & Forestry University, Lin’an 311300, China
| | - Xiaowang Lu
- School of Science, Zhejiang Agricultural & Forestry University, Lin’an 311300, China
| | - Hongzheng Wang
- School of Forestry and Bio-technology, Zhejiang Agricultural & Forestry University, Lin’an 311300, China
| | - Peter E. Brodelius
- Department of Chemistry and Biomedical Sciences, Linnaeus University, 391 82 Kalmar, Sweden
- * E-mail: (MG); (PB)
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Comparative evaluation of the effect of cyclodextrins and pH on aqueous solubility of apigenin. J Pharm Biomed Anal 2016; 117:210-6. [DOI: 10.1016/j.jpba.2015.08.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 07/07/2015] [Accepted: 08/13/2015] [Indexed: 01/22/2023]
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37
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Rimac H, Debeljak Ž, Šakić D, Weitner T, Gabričević M, Vrček V, Zorc B, Bojić M. Structural and electronic determinants of flavonoid binding to human serum albumin: an extensive ligand-based study. RSC Adv 2016. [DOI: 10.1039/c6ra17796d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The most prominent features responsible for binding of flavonoid aglycones to the IIA region of human serum albumin (HSA) were determined based onin vitrofluorescence measurements and density functional theory calculations.
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Affiliation(s)
- Hrvoje Rimac
- University of Zagreb
- Faculty of Pharmacy and Biochemistry
- Department of Medicinal Chemistry
- HR-10000 Zagreb
- Croatia
| | - Željko Debeljak
- Clinical Hospital Center Osijek
- Osijek
- Croatia
- J.J. Strossmayer University of Osijek
- Faculty of Medicine
| | - Davor Šakić
- University of Zagreb
- Faculty of Pharmacy and Biochemistry
- Department of Medicinal Chemistry
- HR-10000 Zagreb
- Croatia
| | - Tin Weitner
- University of Zagreb
- Faculty of Pharmacy and Biochemistry
- Department of Medicinal Chemistry
- HR-10000 Zagreb
- Croatia
| | - Mario Gabričević
- University of Zagreb
- Faculty of Pharmacy and Biochemistry
- Department of Medicinal Chemistry
- HR-10000 Zagreb
- Croatia
| | - Valerije Vrček
- University of Zagreb
- Faculty of Pharmacy and Biochemistry
- Department of Medicinal Chemistry
- HR-10000 Zagreb
- Croatia
| | - Branka Zorc
- University of Zagreb
- Faculty of Pharmacy and Biochemistry
- Department of Medicinal Chemistry
- HR-10000 Zagreb
- Croatia
| | - Mirza Bojić
- University of Zagreb
- Faculty of Pharmacy and Biochemistry
- Department of Medicinal Chemistry
- HR-10000 Zagreb
- Croatia
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38
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Zhang XF, Chen L, Yang QF, Li Q, Sun XR, Chen HB, Yang G, Tang YL. Study on the interaction of a cyanine dye with human serum transferrin. LUMINESCENCE 2015; 30:1176-83. [DOI: 10.1002/bio.2873] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 01/05/2015] [Accepted: 01/07/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Xiu-feng Zhang
- College of Chemical Engineering; Hebei United University; Tangshan Hebei 063009 China
| | - Lei Chen
- College of Chemical Engineering; Hebei United University; Tangshan Hebei 063009 China
| | - Qian-fan Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Qian Li
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Xiao-ran Sun
- College of Chemical Engineering; Hebei United University; Tangshan Hebei 063009 China
| | - Hong-bo Chen
- College of Chemical Engineering; Hebei United University; Tangshan Hebei 063009 China
| | - Guang Yang
- College of Chemical Engineering; Hebei United University; Tangshan Hebei 063009 China
| | - Ya-lin Tang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
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39
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Wang R, Wang X, Li Z, Xie Y, Yang L, Shi J, Chang J. Study on the interaction between bovine serum albumin and 4'-azido-2'-deoxyfluoroarabinocytidine or analogs by spectroscopy and molecular modeling. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 132:786-794. [PMID: 24971719 DOI: 10.1016/j.saa.2014.05.090] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 05/12/2014] [Accepted: 05/25/2014] [Indexed: 06/03/2023]
Abstract
The binding of 4'-azido-2'-deoxyfluoroarabinocytidine (FNC) or analogs (cytidine and 5'-cytidylate monophosphate) to bovine serum albumin (BSA) was investigated by fluorescence, UV-vis absorption spectroscopy and molecular modeling. The three compounds quenched the intrinsic fluorescence of BSA and the results revealed the presence of static quenching mechanism. The positive ΔH and positive ΔS for the systems suggested that the hydrophobic forces stabilized the interaction between the compounds and protein. Results also showed that FNC was the weakest quencher.
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Affiliation(s)
- Ruiyong Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China.
| | - Xiaogai Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Zhigang Li
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Yuanzhe Xie
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Lingling Yang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Jie Shi
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Junbiao Chang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China.
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40
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Spectroscopic and molecular simulation studies on the interaction of di-(2-ethylhexyl) phthalate and human serum albumin. LUMINESCENCE 2014; 30:198-206. [DOI: 10.1002/bio.2713] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Revised: 04/28/2014] [Accepted: 05/07/2014] [Indexed: 11/07/2022]
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41
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Determination of LMF binding site on a HSA-PPIX complex in the presence of human holo transferrin from the viewpoint of drug loading on proteins. PLoS One 2014; 9:e84045. [PMID: 24392106 PMCID: PMC3879261 DOI: 10.1371/journal.pone.0084045] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 11/18/2013] [Indexed: 12/21/2022] Open
Abstract
Holo transferrin (TF) and the natural complex of human serum albumin and protoporphyrin IX (HSA-PPIX) are two serum carrier proteins that can interact with each other. Such an interaction may alter their binding sites. In this study, fluorescence spectroscopy, as well as zeta potential and molecular modeling techniques, have been used to compare the complexes (HSA-PPIX)-LMF and [(HSA-PPIX)-TF]-LMF. The Ka1, Ka2, values of (HSA-PPIX)-LMF and [(HSA-PPIX)-TF]-LMF were 1.1×10(5) M(-1), 9.7×10(6) M(-1), and 2.0×10(4) M(-1), 1.8×10(5) M(-1), respectively, and the n1, n2 values were respectively 1.19, 1.53 and 1.17, 1.65. The second derivative of the Trp emission scan of (HSA-PPIX)-LMF exhibited one negative band at 310 nm, whereas for the [(HSA-PPIX)-TF]-LMF system, we observed one negative band at 316 nm indicating an increase in polarity around Trp. The effect of TF on the conformation of (HSA-PPIX)-TF was analyzed using three-dimensional fluorescence spectroscopy. The phase diagram indicated that the presence of a second binding site on HSA and TF was due to the existence of intermediate structures. Zeta potential analysis showed that the presence of TF increased the positive charges of the HSA-PPIX system. Site marker experiments revealed that the binding site of LMF to HSA-PPIX changed from Sudlow's site IIA to Sudlow's site IIIB in the presence of TF. Moreover, molecular modeling studies suggested the sub-domain IIIB in HSA as the candidate place for the formation of the binding site of LMF on the (HSA-PPIX)-TF complex.
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42
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Zhang H, Yu D, Sun J, Guo H, Ding Q, Liu R, Ren F. Interaction of milk whey protein with common phenolic acids. J Mol Struct 2014. [DOI: 10.1016/j.molstruc.2013.11.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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43
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Lissi E, Calderón C, Campos A. Evaluation of the number of binding sites in proteins from their intrinsic fluorescence: limitations and pitfalls. Photochem Photobiol 2013; 89:1413-6. [PMID: 23789593 DOI: 10.1111/php.12112] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2013] [Accepted: 06/03/2013] [Indexed: 11/30/2022]
Abstract
Changes in the intrinsic protein fluorescence with the additive concentration provide one of the most employed methodologies for the evaluation of the binding constant and the number of binding sites. In the last years, more than 175 studies have been published where the double logarithmic plot shown below is used toward determining the number of equivalent binding sites (n). Log [(F° - F)/F] = log K + n log [Q0 ]. However, the value of n evaluated by this procedure is unrelated to the number of equivalent binding sites; rather it represents the stoichiometry of the binding step. The confusion on the meaning of n arises upon assuming that the binding process is represented by the forward and backward elementary steps shown below, implying that binding of the n solutes takes place simultaneously, i.e. there are no intermediate species. nQ + P ⇆ Qn P. The conclusion that n is unrelated to the number of equivalent binding sites is supported by the fact that in all the systems considered (99% of them) n values are close to one and much smaller than those obtained by ultrafiltration. It is then remarkable, the profusion of publications in peer-reviewed, specialized journals including a conceptual error that confuses Hill's coefficient and/or the stoichiometry of the binding step with the number of independent binding sites. Here, we discuss the origin of this common misconception and provide alternative methods to determine the number of binding sites.
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Affiliation(s)
- Eduardo Lissi
- Faculty of Chemistry and Biology, University of Santiago de Chile, USACH, Santiago, Chile
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44
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Moghaddam MM, Pirouzi M, Saberi MR, Chamani J. Comparison of the binding behavior of FCCP with HSA and HTF as determined by spectroscopic and molecular modeling techniques. LUMINESCENCE 2013; 29:314-31. [DOI: 10.1002/bio.2546] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2012] [Revised: 03/17/2013] [Accepted: 05/06/2013] [Indexed: 11/10/2022]
Affiliation(s)
| | - Malihe Pirouzi
- Department of Biology, Faculty of Sciences, Mashhad Branch; Islamic Azad University; Mashhad Iran
| | - Mohammad Reza Saberi
- Medical Chemistry Department, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
| | - Jamshidkhan Chamani
- Department of Biology, Faculty of Sciences, Mashhad Branch; Islamic Azad University; Mashhad Iran
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45
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Tang L, Jia W, Zhang D. The effects of experimental conditions of fluorescence quenching on the binding parameters of apigenin to bovine serum albumin by response surface methods. LUMINESCENCE 2013; 29:344-51. [DOI: 10.1002/bio.2550] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2012] [Revised: 04/05/2013] [Accepted: 05/10/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Lin Tang
- College of Life Science; Shandong Normal University; Jinan People's Republic of China
| | - Wanteng Jia
- College of Life Science; Shandong Normal University; Jinan People's Republic of China
| | - Dong Zhang
- College of Life Science; Shandong Normal University; Jinan People's Republic of China
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46
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pH-insensitive electrostatic interaction of carmoisine with two serum proteins: A possible caution on its uses in food and pharmaceutical industry. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2013; 124:50-62. [DOI: 10.1016/j.jphotobiol.2013.04.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Revised: 04/05/2013] [Accepted: 04/11/2013] [Indexed: 11/20/2022]
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47
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Pal S, Saha C. A review on structure–affinity relationship of dietary flavonoids with serum albumins. J Biomol Struct Dyn 2013; 32:1132-47. [DOI: 10.1080/07391102.2013.811700] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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48
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Omidvar Z, Asoodeh A, Chamani J. Studies on the Antagonistic Behavior Between Cyclophosphamide Hydrochloride and Aspirin with Human Serum Albumin: Time-Resolved Fluorescence Spectroscopy and Isothermal Titration Calorimetry. J SOLUTION CHEM 2013. [DOI: 10.1007/s10953-013-0009-7] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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49
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Fang Z, Su W, Zhang W, Xu Y, Xiong Y, Luo M, Fan J, Yin X. Chiral discrimination and interaction mechanism between enantiomers and serum albumins. J Mol Recognit 2013; 26:161-4. [DOI: 10.1002/jmr.2247] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 09/03/2012] [Accepted: 10/09/2012] [Indexed: 11/10/2022]
Affiliation(s)
| | - WenCui Su
- School of Chemistry and Environment; South China Normal University; Guangzhou; 510006; China
| | - WeiGuang Zhang
- School of Chemistry and Environment; South China Normal University; Guangzhou; 510006; China
| | - Yan Xu
- UCLA Olympic Analytical Laboratory, David Geffen School of Medicine; University of California; Los Angeles; CA; USA
| | - YaJin Xiong
- School of Chemistry and Environment; South China Normal University; Guangzhou; 510006; China
| | - MiaoLi Luo
- School of Chemistry and Environment; South China Normal University; Guangzhou; 510006; China
| | - Jun Fan
- School of Chemistry and Environment; South China Normal University; Guangzhou; 510006; China
| | - Xia Yin
- School of Chemistry and Environment; South China Normal University; Guangzhou; 510006; China
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50
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Tang L, Jia W. A comparison study on the binding of hesperetin and luteolin to bovine serum albumin by spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 103:114-119. [PMID: 23257337 DOI: 10.1016/j.saa.2012.10.068] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2011] [Revised: 10/22/2012] [Accepted: 10/27/2012] [Indexed: 06/01/2023]
Abstract
Binding mechanism of luteolin (LUT) and hesperetin (HES) to bovine serum albumin (BSA) was investigated at 288,298,310K and pH=7.40 by UV absorption spectroscopy, fluorescence quenching and synchronous fluorescence spectroscopy. Under simulated physiological conditions, the fluorescence data indicated that hesperetin binding to BSA mainly occurs through a static mechanism. In contrast, binding of luteolin to BSA is a combined quenching process while static quenching is prevailing. Linear interval of the Stern-Volmer plot of LUT-BSA for the concentration ratio of LUT to BSA ranged from 0.5 to 1.25 was obtained. The thermodynamic parameters obtained from the Van't Hoff equation indicated that electrostatic force was the predominant force in the LUT-BSA and HES-BSA complex. The inner filter effect was eliminated to get accurate data. The conformational changes of BSA caused by LUT and HES were observed in the UV absorption. Results of fluorescence quenching and synchronous fluorescence showed that degree of luteolin-BSA quenching was higher than hesperetin-BSA quenching, which indicated that the 4'-hydroxide radical was more helpful to the ligand binding to proteins than 4'-methoxyl group for flavones.
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Affiliation(s)
- Lin Tang
- Department of Food Science and Engineering, School of Life Science, Shandong Normal University, Jinan, PR China
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