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Rout D, Upadhyaya AK, Agarwala P, Sharma C, Pal A, Sasmal DK. Drug Binding to Partially Unfolded Serum Albumin: Insights into Nonsteroidal Anti-Inflammatory Drug Naproxen-BSA Interactions from Spectroscopic and MD Simulation Studies. J Phys Chem B 2024; 128:9327-9340. [PMID: 39316707 DOI: 10.1021/acs.jpcb.4c03901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2024]
Abstract
Understanding the binding details of a small-molecule drug to a protein in its partially unfolded state is important for drug delivery as it provides insight into the overall drug-binding ability of the protein, even when the majority of binding pockets in its unfolded state are impaired. The interaction of partially unfolded proteins with drugs remains poorly understood due to a lack of structural information on proteins in their partially unfolded states. Here, we studied the interaction between serum albumin (bovine serum albumin (BSA) as a model system), an abundant protein in blood serum that is an effective carrier for numerous known drugs, and a nonsteroidal anti-inflammatory drug (NSAID) naproxen (NPS) using various spectroscopic and computational methods. Molecular dynamics simulations starting from the drug-unbound state and performed at physiological and higher temperatures revealed novel hydrophobic sites on the BSA surface. We analyzed the BSA-NPS interaction in the presence and absence of the cationic organized assembly CTAB and two oligosaccharides (β-CD and 2-HP-β-CD) at different excitation wavelengths. The solvation dynamics of BSA under NPS-bound conditions became ∼4.6% faster. Oligosaccharides were found to increase the solubility of NPS by providing a hydrophobic environment for the formation of inclusion complexes through host-guest interactions. These findings provide a comprehensive overview and uncover the binding model and mechanism of interaction of NPS with BSA, revealing hydrophobic and electrostatic interactions and hydrogen bonds required for BSA to bind NPS at these noncanonical sites. The molecular-level understanding of the binding mechanism of commonly used NSAIDs like NPS with partially unfolded BSA will be useful in designing pharmaceutically important molecules with efficient loading and delivery properties.
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Affiliation(s)
- Debasish Rout
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, RJ 342037, India
| | - Arun Kumar Upadhyaya
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, RJ 342037, India
| | - Pratibha Agarwala
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, RJ 342037, India
| | - Chanchal Sharma
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, RJ 342037, India
| | - Arumay Pal
- School of Biosciences, Engineering and Technology, Vellore Institute of Technology, Bhopal 466114, India
| | - Dibyendu K Sasmal
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, RJ 342037, India
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Rogóż W, Owczarzy A, Kulig K, Maciążek-Jurczyk M. Ligand-human serum albumin analysis: the near-UV CD and UV-Vis spectroscopic studies. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03471-3. [PMID: 39347800 DOI: 10.1007/s00210-024-03471-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Accepted: 09/18/2024] [Indexed: 10/01/2024]
Abstract
Spectroscopic methods offer many new opportunities to study protein-ligand interactions. The aim of this study was to evaluate the possibility of using near-UV CD as well as UV-Vis spectroscopic techniques to study the interaction between human serum albumin (HSA) and markers of Sudlow's site I (warfarin, phenylbutazone) and II (ketoprofen, ibuprofen), as well as prednisolone and indapamide. In order to perform the planned measurements, near-UV CD spectropolarimetry and UV-Vis spectrophotometry have been used. It has been demonstrated that both techniques allow for rapid evaluation of non-covalent interactions between HSA and ligand, as well as identification of the HSA aromatic amino acid residues involved in this process. The near-UV CD spectroscopic data were more valuable than the analysis based on the second derivative of differential UV-Vis absorption spectra, especially for ligands with a non-specified binding site and low affinity towards HSA, such as prednisolone. The combination of both techniques makes it possible for comprehensive analysis of the interaction between HSA and ligands.
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Affiliation(s)
- Wojciech Rogóż
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, 40-055, Katowice, Poland
| | - Aleksandra Owczarzy
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, 40-055, Katowice, Poland
| | - Karolina Kulig
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, 40-055, Katowice, Poland
| | - Małgorzata Maciążek-Jurczyk
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, 40-055, Katowice, Poland.
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3
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You S, Nguyen T, Li-Ma C, Bollong MJ. Identification of Tunable, Environmentally Responsive Fluorogenic Dyes by High-Throughput Screening. ACS Chem Biol 2024; 19:2041-2049. [PMID: 39250827 DOI: 10.1021/acschembio.4c00373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/11/2024]
Abstract
Small molecule dyes remain essential biological tools, yet only a handful of environmentally responsive fluorogenic small molecules are available for routine characterization of protein state. Here, we report the development and execution of a high throughput screen to identify compounds that increase in fluorescence in response to binding of lipophilic sites of proteins. This effort yielded two small molecules that potently indicate the presence of a range of common proteins and outperform common dyes in differential scanning fluorimetry experiments. Structure activity relationship studies revealed that these two scaffolds can be tuned both for their quantum yields and emission wavelengths. This work affords a straightforward framework for the discovery of new fluorophores and adds two fluorogenic probes to the toolbox for studying protein state.
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Affiliation(s)
- Shaochen You
- Department of Chemistry, Scripps Research, San Diego, California 92037, United States
| | - Thu Nguyen
- Department of Chemistry, Scripps Research, San Diego, California 92037, United States
| | - Chloris Li-Ma
- Department of Chemistry, Scripps Research, San Diego, California 92037, United States
| | - Michael J Bollong
- Department of Chemistry, Scripps Research, San Diego, California 92037, United States
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Kabir MZ, Tayyab H, Erkmen C, Mohamad SB, Uslu B. Comprehensive views toward the biomolecular recognition of an anticancer drug, leflunomide with human serum albumin. J Biomol Struct Dyn 2024; 42:7257-7271. [PMID: 37529911 DOI: 10.1080/07391102.2023.2239931] [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: 01/16/2023] [Accepted: 07/16/2023] [Indexed: 08/03/2023]
Abstract
Biomolecular association of an anticancer drug, leflunomide (LEF) with human serum albumin (HSA), the leading ligands carrier in human circulation was characterized using biophysical (i.e., fluorescence, absorption and voltammetric) methods and computational (i.e., molecular docking and molecular dynamics simulation) techniques. Evaluations of fluorescence, absorption and voltammetric findings endorsed the complex formation between LEF and HSA. An inverse relationship of Stern-Volmer constant-temperature and hyperchromic shift of the protein's absorption signal with addition of LEF confirmed the LEF quenched the HSA fluorescence through static process. Moderate nature of binding strength (binding constant = 2.76-4.77 × 104 M-1) was detected towards the LEF-HSA complexation, while the association process was naturally driven via hydrophobic interactions, van der Waals interactions and hydrogen bonds, as evident from changes in entropy (ΔS= + 19.91 J mol-1 K-1) and enthalpy (ΔH = - 20.09 kJ mol-1), and molecular docking assessments. Spectral analyses of synchronous and three-dimensional fluorescence validated microenvironmental fluctuations near Trp and Tyr residues upon LEF binding to the protein. LEF association with HSA significantly defended temperature-induced destabilization of the protein. Although LEF was found to attach to HSA at Sudlow's sites I and II, but exhibited greater preference toward its site I, as detected by the investigations of competitive site-marker displacement. Molecular dynamics simulation assessment revealed that the complex attained equilibrium throughout simulations, showing the LEF-HSA complex constancy.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Md Zahirul Kabir
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
| | - Hafsa Tayyab
- Faculty of Science, Bioinformatics Programme, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Cem Erkmen
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
| | - Saharuddin B Mohamad
- Faculty of Science, Bioinformatics Programme, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
- Centre of Research for Computational Sciences and Informatics for Biology, Bioindustry, Environment, Agriculture and Healthcare, University of Malaya, Kuala Lumpur, Malaysia
| | - Bengi Uslu
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Ankara, Turkey
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Ji X, Li L, Zhang K, Yuan X, Li Q, Bai G. Screening and analysis of the targeted compounds in Choerospondias axillaris extract by receptor chromatographic column with immobilized angiotensin II type 1 receptor. Biomed Chromatogr 2024; 38:e5931. [PMID: 38881185 DOI: 10.1002/bmc.5931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/20/2024] [Accepted: 05/27/2024] [Indexed: 06/18/2024]
Abstract
As a result of the lack of modern techniques, the study of Tibetan medicine has been hindered in identifying bioactive compounds. Herein, we established a chromatographic approach using an immobilized angiotensin II type 1 receptor (AT1R) via a one-step method triggered by haloalkane dehalogenase. The bioactive compounds from Choerospondias axillaris (Guangzao) were screened and identified using the immobilized AT1R followed by MS. Frontal analysis (FA) and adsorption energy distribution (AED) were used to evaluate the association constants. Molecular docking was used to investigate the binding configurations, and the surface efficiency index, binding efficiency index, and ligand-lipophilicity efficiency (LLE) were calculated to assess the drug-like properties. The results identified naringenin, pinocembrin, and chrysin as the compounds that specifically bind to AT1R in Guangzao. FA and AED confirmed that there is only one type of binding site between these compounds and AT1R. The association constants were (2.40 ± 0.02) × 104 M-1 for naringenin (5.22 ± 0.26) × 104 M-1 for pinocembrin, and (4.27 ± 0.14) × 104 M-1 for chrysin, respectively. These compounds can bind with AT1R through the orthosteric binding pocket. Naringenin exhibited better LLE than pinocembrin and chrysin. These results confirmed the feasibility of using the immobilized AT1R column for screening and analyzing bioactive compounds in Tibetan medicines.
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Affiliation(s)
- Xu Ji
- Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, Xizang Minzu University, Xianyang, China
- Joint Laboratory for Research on Active Components and Pharmacological Mechanism of Tibetan Materia Medica of Tibetan Medical Research Center of Tibet, Xizang Minzu University, Xianyang, China
| | - Liangxi Li
- Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, Xizang Minzu University, Xianyang, China
- Joint Laboratory for Research on Active Components and Pharmacological Mechanism of Tibetan Materia Medica of Tibetan Medical Research Center of Tibet, Xizang Minzu University, Xianyang, China
| | - Kaiyue Zhang
- Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, Xizang Minzu University, Xianyang, China
- Joint Laboratory for Research on Active Components and Pharmacological Mechanism of Tibetan Materia Medica of Tibetan Medical Research Center of Tibet, Xizang Minzu University, Xianyang, China
| | - Xinyi Yuan
- Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, Xizang Minzu University, Xianyang, China
- Joint Laboratory for Research on Active Components and Pharmacological Mechanism of Tibetan Materia Medica of Tibetan Medical Research Center of Tibet, Xizang Minzu University, Xianyang, China
| | - Qian Li
- College of Life Sciences, Northwest University, Xi'an, China
| | - Ge Bai
- Cancer Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
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Starnes HM, Jackson TW, Rock KD, Belcher SM. Quantitative cross-species comparison of serum albumin binding of per- and polyfluoroalkyl substances from five structural classes. Toxicol Sci 2024; 199:132-149. [PMID: 38518100 PMCID: PMC11057469 DOI: 10.1093/toxsci/kfae028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2024] Open
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a class of over 8000 chemicals, many of which are persistent, bioaccumulative, and toxic to humans, livestock, and wildlife. Serum protein binding affinity is instrumental in understanding PFAS toxicity, yet experimental binding data is limited to only a few PFAS congeners. Previously, we demonstrated the usefulness of a high-throughput, in vitro differential scanning fluorimetry assay for determination of relative binding affinities of human serum albumin for 24 PFAS congeners from 6 chemical classes. In the current study, we used this assay to comparatively examine differences in human, bovine, porcine, and rat serum albumin binding of 8 structurally informative PFAS congeners from 5 chemical classes. With the exception of the fluorotelomer alcohol 1H, 1H, 2H, 2H-perfluorooctanol (6:2 FTOH), each PFAS congener bound by human serum albumin was also bound by bovine, porcine, and rat serum albumin. The critical role of the charged functional headgroup in albumin binding was supported by the inability of albumin of each species tested to bind 6:2 FTOH. Significant interspecies differences in serum albumin binding affinities were identified for each of the bound PFAS congeners. Relative to human albumin, perfluoroalkyl carboxylic and sulfonic acids were bound with greater affinity by porcine and rat serum albumin, and the perfluoroalkyl ether acid congener bound with lower affinity to porcine and bovine serum albumin. These comparative affinity data for PFAS binding by serum albumin from human, experimental model, and livestock species reduce critical interspecies uncertainty and improve accuracy of predictive bioaccumulation and toxicity assessments for PFAS.
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Affiliation(s)
- Hannah M Starnes
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina 27607, USA
| | - Thomas W Jackson
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina 27607, USA
| | - Kylie D Rock
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina 27607, USA
| | - Scott M Belcher
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina 27607, USA
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7
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Rogóż W, Pożycka J, Kulig K, Owczarzy A, Szkudlarek A, Maciążek-Jurczyk M. New look at the metabolism of nonsteroidal anti-inflammatory drugs: influence on human serum albumin antioxidant activity. J Biomol Struct Dyn 2023; 41:753-763. [PMID: 34871148 DOI: 10.1080/07391102.2021.2011784] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Body's homeostasis is dependent on many factors, such as maintaining balance between free radicals formation and degradation. Human serum albumin (HSA) also plays an important role in homeostasis. The aim of this study was thermodynamic analysis of the interaction between ketoprofen (KET), naproxen (NPX), diclofenac (DIC) and HSA, as well as the effect of drug-albumin binding on HSA antioxidant activity using calorimetric and spectrophotometric techniques. Based on the calorimetric analysis it has been shown that accompanied by hydrophobic interaction drugs-albumin binding is an exoenergetic reaction. All analyzed drugs and HSA showed the ability to react with free radicals such as a radical cation, formed as a result of the reaction between 2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) and potassium persulfate (K2S2O8). Using ABTS assay a synergistic effect of ketoprofen (KET) and naproxen (NPX) on HSA antioxidant activity was observed while the effect of diclofenac (DIC) binding with albumin was probably additive. Because some medications including KET, NPX and DIC belong to over the counter (OTC) non-steroidal anti-inflammatory drugs (NSAIDs), it is necessary to understand their influence on HSA antioxidant activity.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- W Rogóż
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - J Pożycka
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - K Kulig
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - A Owczarzy
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - A Szkudlarek
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - M Maciążek-Jurczyk
- Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
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Sharmeen S, Kyei I, Hatch A, Hage DS. Analysis of drug interactions with serum proteins and related binding agents by affinity capillary electrophoresis: A review. Electrophoresis 2022; 43:2302-2323. [PMID: 36250426 PMCID: PMC10098505 DOI: 10.1002/elps.202200191] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/17/2022] [Accepted: 10/05/2022] [Indexed: 11/06/2022]
Abstract
Biomolecules such as serum proteins can interact with drugs in the body and influence their pharmaceutical effects. Specific and precise methods that analyze these interactions are critical for drug development or monitoring and for diagnostic purposes. Affinity capillary electrophoresis (ACE) is one technique that can be used to examine the binding between drugs and serum proteins, or other agents found in serum or blood. This article will review the basic principles of ACE, along with related affinity-based capillary electrophoresis (CE) methods, and examine recent developments that have occurred in this field as related to the characterization of drug-protein interactions. An overview will be given of the various formats that can be used in ACE and CE for such work, including the relative advantages or weaknesses of each approach. Various applications of ACE and affinity-based CE methods for the analysis of drug interactions with serum proteins and other binding agents will also be presented. Applications of ACE and related techniques that will be discussed include drug interaction studies with serum agents, chiral drug separations employing serum proteins, and the use of CE in hybrid methods to characterize drug binding with serum proteins.
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Affiliation(s)
- Sadia Sharmeen
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Isaac Kyei
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Arden Hatch
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - David S Hage
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
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NMR Investigation of the Interaction of Three Non-Steroidal Anti-Inflammatory Drugs with Human Serum Albumin. Molecules 2022; 27:molecules27196647. [PMID: 36235184 PMCID: PMC9571845 DOI: 10.3390/molecules27196647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/30/2022] [Accepted: 10/04/2022] [Indexed: 11/07/2022] Open
Abstract
The understanding of the interaction between non-steroidal anti-inflammatory drugs and human serum albumin plays a fundamental role in the development of new drugs and new therapeutic strategies. Several studies have been performed, nevertheless, the interaction phenomena are still not fully understood. In this work, high-field solution Nuclear Magnetic Resonance (NMR) spectroscopy was applied to compare the strength of the interaction of diclofenac sodium salt, ketorolac tris salt and flurbiprofen sodium salt toward albumin. To this aim, mono- and bi-selective relaxation rate measurements were performed by applying selective π-pulses at the selected frequencies and by following magnetization recovery. On the basis of the dependence of relaxation parameters on albumin concentration, normalized affinity indexes were calculated for several protons of the drugs. Affinity indexes for diclofenac were about five-fold higher in comparison with ketorolac and flurbiprofen. Aromatic moieties of the three drugs and methine protons at the chiral centers of ketorolac and flurbiprofen were more involved in the interaction with albumin. In conclusion, NMR spectroscopy allows not only for the comparison of drug-to-protein affinities but also points out the nature of the drug sites that are more extensively involved in the interaction.
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Ossowicz-Rupniewska P, Klebeko J, Świątek E, Szachnowska J, Janus E, Rangelov M, Todorova N, Taneva SG, Krachmarova E, Guncheva M. Binding behavior of ibuprofen-based ionic liquids with bovine serum albumin: Thermodynamic and molecular modeling studies. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Wang L, Zhang W, Shao Y, Zhang D, Guo G, Wang X. Analytical methods for obtaining binding parameters of drug–protein interactions: A review. Anal Chim Acta 2022; 1219:340012. [DOI: 10.1016/j.aca.2022.340012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 11/30/2022]
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12
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Albumin-hyaluronic acid colloidal nanocarriers: Effect of human and bovine serum albumin for intestinal ibuprofen release enhancement. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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BAI Y, FAN Y, GE G, WANG F. [Advances in chromatography in the study of drug-plasma protein interactions]. Se Pu 2021; 39:1077-1085. [PMID: 34505429 PMCID: PMC9404221 DOI: 10.3724/sp.j.1123.2021.06028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Indexed: 11/25/2022] Open
Abstract
After entering human blood circulation, small-molecule drugs interact extensively with various plasma proteins, such as human serum albumin and α1-acid glycoprotein. These interactions profoundly affect the distribution of drugs in vivo and the binding of drugs to targets, thus affecting the efficacy of drugs. In-depth investigation of drug-plasma protein interactions is of great significance for the optimization of drug properties, the development of new drugs, risk assessment, and combination therapy of drugs. Therefore, it is essential to develop highly efficient, sensitive, and accurate methods for elucidating drug-plasma protein interactions. Chromatography is a powerful tool with high throughput, high separation performance, and high sensitivity in the characterization of drug-protein interactions. High-performance affinity chromatography (HPAC) and capillary electrophoresis (CE) have been widely utilized in this field. These methods include the determination of the effects of the posttranslational modification of proteins on binding and the competitive binding of multiple drugs. In addition, various chromatographic methods are used to obtain interaction information such as the binding constant, binding-site number, and dissociation rate constant. In this review, the common strategies and recent advances in HPAC and CE in the study of drug-plasma protein interactions are briefly reviewed. The immobilization methods of proteins, the principles and applications of frontal analysis, zonal elution, ultrafast affinity extraction, peak profiling, and peak decay analysis are discussed for HPAC and affinity capillary electrophoresis (ACE) and capillary electrophoresis frontal analysis (CE-FA) for CE. HPAC relies on the fixation of proteins on the surfaces of chromatographic stationary phases by covalent linking or physical adsorption, followed by obtaining the drug-protein interaction information through a variety of chromatographic methods. In the frontal chromatography analysis, mobile phases with different concentrations of drugs are passed through the HPAC column to obtain different breakthrough times. The process can determine the number of drug binding sites and the binding constant of each site in the affinity protein with high accuracy. The zonal elution method can detect the drug binding sites on proteins using site-specific probes to determine whether there is competition between drugs and probes. The sample consumption and analysis time of the zonal elution method are much less than those in frontal chromatography analysis. The ultrafast affinity extraction method can inject complex samples, such as serum, into affinity columns to determine the free drug components. It can measure the combination and dissociation constants of drug-protein interactions by changing the chromatography flow rate. Peak profiling and peak decay analyses are both effective methods for investigating the dissociation of drugs and proteins. In CE analysis, the drug and protein samples are dissolved in an electrophoresis buffer, and their interactions are measured during electrophoresis with high accuracy and low sample consumption. However, the adsorption of proteins on the capillary wall can compromise CE performance. Common CE methods in drug-protein interaction analysis are ACE and CE-FA. ACE is usually performed by changing the effective mobility of drugs via the addition of different concentrations of proteins. This method has been widely used, and several variant techniques have been developed recently. CE-FA involves the sampling of a drug premixed at a known concentration with a target protein. Compared with other CE methods, CE-FA exhibits the unique advantages of high throughput, automatic online analysis, and the ability to determine high-order drug-protein interactions. Finally, the shortcomings of current chromatography methods are summarized, and the application prospects and development direction of chromatography technology in the field of drug-plasma protein interaction research are discussed.
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Jackson TW, Scheibly CM, Polera ME, Belcher SM. Rapid Characterization of Human Serum Albumin Binding for Per- and Polyfluoroalkyl Substances Using Differential Scanning Fluorimetry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:12291-12301. [PMID: 34495656 PMCID: PMC8651256 DOI: 10.1021/acs.est.1c01200] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a diverse class of synthetic chemicals that accumulate in the environment. Many proteins, including the primary human serum transport protein albumin (HSA), bind PFAS. The predictive power of physiologically based pharmacokinetic modeling approaches is currently limited by a lack of experimental data defining albumin-binding properties for most PFAS. A novel thermal denaturation assay was optimized to evaluate changes in the thermal stability of HSA in the presence of increasing concentrations of known ligands and a structurally diverse set of PFAS. Assay performance was initially evaluated for fatty acids and HSA-binding drugs ibuprofen and warfarin. Concentration-response relationships were determined and dissociation constants (Kd) for each compound were calculated using regression analysis of the dose-dependent changes in HSA melting temperature. Estimated Kd values for HSA binding of octanoic acid, decanoic acid, hexadecenoic acid, ibuprofen, and warfarin agreed with established values. The binding affinities for 24 PFAS that included perfluoroalkyl carboxylic acids (C4-C12), perfluoroalkyl sulfonic acids (C4-C8), mono- and polyether perfluoroalkyl ether acids, and polyfluoroalkyl fluorotelomer substances were determined. These results demonstrate the utility of this differential scanning fluorimetry assay as a rapid high-throughput approach for determining the relative protein-binding properties and identification of chemical structures involved in binding for large numbers of structurally diverse PFAS.
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Affiliation(s)
- Thomas W Jackson
- Center for Human Health and The Environment Department of Biological Sciences, North Carolina State University, 127 David Clark Labs Campus, P.O. Box 7617, Raleigh, North Carolina 27695, United States
| | - Chris M Scheibly
- Center for Human Health and The Environment Department of Biological Sciences, North Carolina State University, 127 David Clark Labs Campus, P.O. Box 7617, Raleigh, North Carolina 27695, United States
| | - M E Polera
- Center for Human Health and The Environment Department of Biological Sciences, North Carolina State University, 127 David Clark Labs Campus, P.O. Box 7617, Raleigh, North Carolina 27695, United States
| | - Scott M Belcher
- Center for Human Health and The Environment Department of Biological Sciences, North Carolina State University, 127 David Clark Labs Campus, P.O. Box 7617, Raleigh, North Carolina 27695, United States
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15
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Ribeiro AG, Alves JEF, Soares JCS, dos Santos KL, Jacob ÍTT, da Silva Ferreira CJ, dos Santos JC, de Azevedo RDS, de Almeida SMV, de Lima MDCA. Albumin roles in developing anticancer compounds. Med Chem Res 2021. [DOI: 10.1007/s00044-021-02748-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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16
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Amézqueta S, Beltrán JL, Bolioli AM, Campos-Vicens L, Luque FJ, Ràfols C. Evaluation of the Interactions between Human Serum Albumin (HSA) and Non-Steroidal Anti-Inflammatory (NSAIDs) Drugs by Multiwavelength Molecular Fluorescence, Structural and Computational Analysis. Pharmaceuticals (Basel) 2021; 14:ph14030214. [PMID: 33806467 PMCID: PMC8000696 DOI: 10.3390/ph14030214] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/26/2021] [Accepted: 02/26/2021] [Indexed: 01/18/2023] Open
Abstract
The interaction between drugs and transport proteins, such as albumins, is a key factor in drug bioavailability. One of the techniques commonly used for the evaluation of the drug-protein complex formation is fluorescence. This work studies the interaction of human serum albumin (HSA) with four non-steroidal anti-inflammatory drugs (NSAIDs)—ibuprofen, flurbiprofen, naproxen, and diflunisal—by monitoring the fluorescence quenching when the drug-albumin complex is formed. Two approaches—the double logarithm Stern-Volmer equation and the STAR program—are used to evaluate the binding parameters. The results are analyzed considering the binding properties, determined by using other complementary techniques and the available structural information of albumin complexes with NSAID-related compounds. Finally, this combined analysis has been synergistically used to interpret the binding of flurbiprofen to HSA.
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Affiliation(s)
- Susana Amézqueta
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, University of Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain; (J.L.B.); (A.M.B.); (C.R.)
- Institute of Biomedicine (IBUB), University of Barcelona, 08028 Barcelona, Spain;
- Correspondence: ; Tel.: +34-93-402-1277
| | - José Luís Beltrán
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, University of Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain; (J.L.B.); (A.M.B.); (C.R.)
| | - Anna Maria Bolioli
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, University of Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain; (J.L.B.); (A.M.B.); (C.R.)
| | - Lluís Campos-Vicens
- Department of Nutrition, Food Science and Gastronomy, Faculty of Pharmacy and Food Science, University of Barcelona, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain;
- Pharmacelera, Torre R, 4a planta, Despatx A05, Parc Científic de Barcelona, Baldiri Reixac 8, 08028 Barcelona, Spain
| | - Francisco Javier Luque
- Institute of Biomedicine (IBUB), University of Barcelona, 08028 Barcelona, Spain;
- Department of Nutrition, Food Science and Gastronomy, Faculty of Pharmacy and Food Science, University of Barcelona, Prat de la Riba 171, 08921 Santa Coloma de Gramenet, Spain;
- Institut of Theoretical and Computational Chemistry (IQTCUB), University of Barcelona, 08028 Barcelona, Spain
| | - Clara Ràfols
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, University of Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain; (J.L.B.); (A.M.B.); (C.R.)
- Institute of Biomedicine (IBUB), University of Barcelona, 08028 Barcelona, Spain;
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17
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Fanali C, D’Orazio G, Gentili A, Fanali S. Analysis of Nonsteroidal Anti-inflammatory Drugs by using Microfluidic Techniques: A Review. CURR PHARM ANAL 2021. [DOI: 10.2174/1573412916666200401124059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
In this review paper, miniaturized techniques, including both electromigration and liquid
chromatographic techniques, have been discussed considering their main features in the analytical field
for the separation and analysis of Nonsteroidal Anti-inflammatory Drugs (NSAIDs). In Capillary Electrophoresis
(CE) and nano-liquid chromatography (nano-LC), separation is performed in capillaries
with Internal Diameter (I.D.) lower than 100 μm and therefore flow rates in the range 100-1000 nL/min
are applied. Therefore, due to the low flow rate, high mass sensitivity can be obtained. Usually, conventional
UV detectors are used on-line; however, these techniques can be coupled with Mass Spectrometry
(MS). CE and nano-LC have also been applied to the separation of NSAIDs using silica stationary
phases (SP) modified with C<sub>18</sub> promoting interaction with analytes mainly based on hydrophobic
interaction. Besides, the use of chiral SP was found to be effective for the chiral resolution of these
compounds. In addition to silica phases, monolithic (both organic and inorganic) material has also been
used. Although most of the presented studies aimed to demonstrate the usefulness of the considered
microfluidic techniques, some applications to real samples have also been reported.
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Affiliation(s)
- Chiara Fanali
- Faculty of Science, University Campus Bio-Medico of Rome, Via Alvaro del Portillo 21, 00128 Rome,Italy
| | - Giovanni D’Orazio
- Istituto per i Sistemi Biologici, Consiglio Nazionale delle Ricerche, Via Salaria km 29,300 - 00015 Monterotondo,Italy
| | - Alessandra Gentili
- Department of Chemistry, University of Rome “La Sapienza“, Piazzale Aldo Moro 5, P.O. Box 34, Posta 62, 00185 Roma,Italy
| | - Salvatore Fanali
- Teaching Committee of Ph.D. School in Natural Science and Engineering, University of Verona, Verona,Italy
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18
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Maso L, Trande M, Liberi S, Moro G, Daems E, Linciano S, Sobott F, Covaceuszach S, Cassetta A, Fasolato S, Moretto LM, De Wael K, Cendron L, Angelini A. Unveiling the binding mode of perfluorooctanoic acid to human serum albumin. Protein Sci 2021; 30:830-841. [PMID: 33550662 DOI: 10.1002/pro.4036] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 01/12/2021] [Accepted: 02/01/2021] [Indexed: 12/20/2022]
Abstract
Perfluorooctanoic acid (PFOA) is a toxic compound that is absorbed and distributed throughout the body by noncovalent binding to serum proteins such as human serum albumin (hSA). Though the interaction between PFOA and hSA has been already assessed using various analytical techniques, a high resolution and detailed analysis of the binding mode is still lacking. We report here the crystal structure of hSA in complex with PFOA and a medium-chain saturated fatty acid (FA). A total of eight distinct binding sites, four occupied by PFOAs and four by FAs, have been identified. In solution binding studies confirmed the 4:1 PFOA-hSA stoichiometry and revealed the presence of one high and three low affinity binding sites. Competition experiments with known hSA-binding drugs allowed locating the high affinity binding site in sub-domain IIIA. The elucidation of the molecular basis of the interaction between PFOA and hSA might provide not only a better assessment of the absorption and elimination mechanisms of these compounds in vivo but also have implications for the development of novel molecular receptors for diagnostic and biotechnological applications.
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Affiliation(s)
- Lorenzo Maso
- Department of Biology, University of Padua, Padova, Italy
| | - Matteo Trande
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, Mestre, Italy
| | - Stefano Liberi
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, Mestre, Italy
| | - Giulia Moro
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, Mestre, Italy.,Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Elise Daems
- Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium.,Department of Chemistry, University of Antwerp, Antwerp, Belgium
| | - Sara Linciano
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, Mestre, Italy
| | - Frank Sobott
- Department of Chemistry, University of Antwerp, Antwerp, Belgium.,Astbury Centre for Structural Molecular Biology and School of Molecular and Cellular Biology, University of Leeds, Leeds, UK
| | | | - Alberto Cassetta
- Istituto di Cristallografia - CNR, Trieste Outstation, Trieste, Italy
| | | | - Ligia M Moretto
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, Mestre, Italy
| | - Karolien De Wael
- Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Laura Cendron
- Department of Biology, University of Padua, Padova, Italy
| | - Alessandro Angelini
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, Mestre, Italy.,European Centre for Living Technology (ECLT), Venice, Italy
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19
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Ossowicz P, Janus E, Klebeko J, Światek E, Kardaleva P, Taneva S, Krachmarova E, Rangelov M, Todorova N, Guncheva M. Modulation of the binding affinity of naproxen to bovine serum albumin by conversion of the drug into amino acid ester salts. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114283] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Sedov I, Nikiforova A, Khaibrakhmanova D. Evaluation of the binding properties of drugs to albumin from DSC thermograms. Int J Pharm 2020; 583:119362. [PMID: 32334069 DOI: 10.1016/j.ijpharm.2020.119362] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/16/2020] [Accepted: 04/20/2020] [Indexed: 12/23/2022]
Abstract
There is a demand in rapid and robust methods to determine the affinity of drugs to receptors, enzymes, and transport proteins. Differential scanning calorimetry (DSC) is a common method to prove the existence of ligand-protein binding from the shift of denaturation peak, but it is rarely used to obtain the binding constant values. The work is aimed to prove that the DSC experiments can be a source of reliable values of the binding constants and information on the stoichiometry of drug-albumin binding. DSC thermograms of bovine serum albumin denaturation in the presence of several drugs with different affinity and stoichiometry of binding to albumin: naproxen, warfarin, ibuprofen, and isoniazid were recorded. The dependences of the denaturation peak maximum temperature and area on the molar drug/protein ratio, which varied from 0 to 100, were considered. With the help of numerical modeling of the DSC curves, these dependences were predicted using the binding parameters determined in independent experiments and a simple two-state model of denaturation. The DSC data at relatively small concentrations of ligands are in good agreement with the calculation results. The deviations from the model predictions at high ligand concentrations in the cases of naproxen and ibuprofen indicate that albumin is able to bind several additional molecules of these drugs with its low-affinity sites. The fit was improved by using a sequential binding model with two binding constants K1 = 1.0 × 107 and K2 = 1.0 × 104 for naproxen and a cooperative binding model for ibuprofen. The stoichiometry of drug-albumin complexes fully saturated with drug ligand was calculated from the dependence of the denaturation temperature on the drug concentration. In the case of isoniazid, DSC thermograms indicated very weak binding to albumin.
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Affiliation(s)
- Igor Sedov
- Chemical Institute, Kremlevskaya 18, Kazan Federal University, 420008 Kazan, Russia.
| | - Alena Nikiforova
- Chemical Institute, Kremlevskaya 18, Kazan Federal University, 420008 Kazan, Russia
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21
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Takayanagi T, Mine M, Mizuguchi H. Capillary Electrophoresis/Dynamic Frontal Analysis for the Enzyme Assay of 4-Nitrophenyl Phosphate with Alkaline Phosphatase. ANAL SCI 2020; 36:829-834. [PMID: 31956161 DOI: 10.2116/analsci.19p471] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A substrate of 4-nitrophenyl phosphate was enzymatically hydrolyzed by alkaline phosphatase (ALP) in a capillary tube, while an injected zone of the substrate was electrophoretically migrating in the separation buffer containing the enzyme by capillary electrophoresis (CE). During CE migration of the substrate from the start time of the electrophoresis to the detection time of the substrate, the substrate was continuously hydrolyzed by ALP to form a product of 4-nitrophenolate, and a plateau signal of 4-nitrophenolate was detected as a result of the zero-order kinetic reaction. The height of the plateau signal was directly related to the reaction rate, and it was used for the determination of a Michaelis-Menten constant through Lineweaver-Burk plots. Since the plateau signal is attributed to the dynamic formation of the product by the enzymatic reaction in CE, this analysis method is named as capillary electrophoresis/dynamic frontal analysis (CE/DFA). In CE/DFA, the CE separation is included on detecting the plateau signal, and the hydrolysis product before the sample injection is resolved from the dynamically and continuously formed product. The inhibition of the enzyme with the product is also eliminated in CE/DFA by the CE separation.
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Affiliation(s)
- Toshio Takayanagi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University
| | - Masanori Mine
- Graduate School of Advanced Technology and Science, Tokushima University
| | - Hitoshi Mizuguchi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University
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22
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Zielinski K, Sekula B, Bujacz A, Szymczak I. Structural investigations of stereoselective profen binding by equine and leporine serum albumins. Chirality 2020; 32:334-344. [PMID: 31905261 DOI: 10.1002/chir.23162] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/06/2019] [Accepted: 12/10/2019] [Indexed: 12/28/2022]
Abstract
Serum albumin, the most abundant transport protein of mammalian blood, interacts with various nonsteroidal anti-inflammatory drugs (NSAIDs) affecting their disposition, metabolism, and excretion. A big group of chiral NSAIDs transported by albumin, profens, is created by derivatives of 2-arylpropionic acid. The chiral center in the structures of profens is adjacent to the carboxylate moiety and often determines different pharmacological properties of profen enantiomers. This study describes crystal structures of two albumins, isolated from equine and leporine serum, in complexes with three profens: ibuprofen, ketoprofen, and suprofen. Based on three-dimensional structures, the stereoselectivity of albumin is discussed and referred to the previously published albumin complexes with drugs. Drug Site 2 (DS2) of albumin, the bulky hydrophobic pocket of subdomain IIIA with a patch of polar residues, preferentially binds (S)-enantiomers of all investigated profens. Almost identical binding mode of all these drugs clearly indicates the stereoselectivity of DS2 towards (S)-profens in different albumin species. Also, the affinity studies show that DS2 is the major site that presents high affinity towards investigated drugs. Additionally, crystallographic data reveal the secondary binding sites of ketoprofen in leporine serum albumin and ibuprofen in equine serum albumin, both overlapping with previously identified naproxen binding sites: the cleft formed between subdomains IIIA and IIIB close to the fatty acid binding site 5 and the niche created between subdomains IIA and IIIA, called fatty acid site 6.
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Affiliation(s)
- Kamil Zielinski
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Lodz, Poland
| | - Bartosz Sekula
- Synchrotron Radiation Research Section of MCL, National Cancer Institute, Argonne, IL, USA.,Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Lodz, Poland
| | - Anna Bujacz
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Lodz, Poland
| | - Izabela Szymczak
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Lodz, Poland
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23
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Ryberg LA, Sønderby P, Bukrinski JT, Harris P, Peters GHJ. Investigations of Albumin–Insulin Detemir Complexes Using Molecular Dynamics Simulations and Free Energy Calculations. Mol Pharm 2019; 17:132-144. [DOI: 10.1021/acs.molpharmaceut.9b00839] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Line A. Ryberg
- Department of Chemistry, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Pernille Sønderby
- Department of Chemistry, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | | | - Pernille Harris
- Department of Chemistry, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Günther H. J. Peters
- Department of Chemistry, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
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24
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Mohammadnia F, Fatemi MH, Taghizadeh SM. Study on the interaction of anti-inflammatory drugs with human serum albumin using molecular docking, quantitative structure-activity relationship, and fluorescence spectroscopy. LUMINESCENCE 2019; 35:266-273. [PMID: 31766079 DOI: 10.1002/bio.3723] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 08/27/2019] [Accepted: 09/30/2019] [Indexed: 11/06/2022]
Abstract
The interaction of 14 anti-inflammatory drugs with human serum albumin (HSA) was investigated using fluorescence quenching, molecular docking studies, and quantitative structure-activity relationship (QSAR) methodology. Binding of anti-inflammatory drugs to HSA plays a fundamental role in their transport, distribution, delivery, and elimination. Binding constants of these drugs to HSA, obtained using the fluorescence quenching method, were within the range 0.01 × 104 M-1 (acetaminophen) to 1881.05 × 104 M-1 (meloxicam). Binding sites and binding constants of these anti-inflammatory drugs were estimated using molecular docking. Inspection of the obtained values for docking score, logKb and Kb , showed that the drugs in this data set have a relatively strong binding constant for HSA. QSAR modelling was applied for binding constants obtained from fluorescence quenching and theoretical molecular descriptors. This modelling led to a linear two-parameter model with a correlation coefficient of 0.95 and adequate robustness. The descriptor results showed the importance of a bonding network and electronegativity as the discriminative structural factors in binding affinity for the HSA molecule.
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Affiliation(s)
- F Mohammadnia
- Laboratory of Chemometrics, Faculty of Chemistry, University of Mazandarn, Babolsar, Iran
| | - M H Fatemi
- Laboratory of Chemometrics, Faculty of Chemistry, University of Mazandarn, Babolsar, Iran
| | - S M Taghizadeh
- Novel Drug Delivery Systems, Faculty of Science, Iran Polymer and Petrochemical Institute, Tehran, Islamic Republic of Iran
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25
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Sun H, Liu J, Li Y, Wang J, Zhang Y. Characterization of the heterogeneous adsorption of three drugs on immobilized bovine serum albumin by adsorption energy distribution. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1125:121727. [DOI: 10.1016/j.jchromb.2019.121727] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 07/10/2019] [Accepted: 07/19/2019] [Indexed: 02/08/2023]
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26
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Zhang CL, Liu YX, Zhang XM, Chen S, Shen F, Xiong YH, Liu W, Mao ZW, Le XY. Synthesis, characterization, DNA/HSA interactions and in vitro cytotoxic activities of two novel water-soluble copper(II) complexes with 1,3,5-triazine derivative ligand and amino acids. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 91:414-425. [DOI: 10.1016/j.msec.2018.05.065] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 04/19/2018] [Accepted: 05/19/2018] [Indexed: 12/21/2022]
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27
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He X, Sui Y, Wang S. Stepwise frontal affinity chromatography model for drug and protein interaction. Anal Bioanal Chem 2018; 410:5807-5815. [DOI: 10.1007/s00216-018-1194-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 05/30/2018] [Accepted: 06/11/2018] [Indexed: 12/12/2022]
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28
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Frontal analysis capillary electrophoresis: recent advances and future perspectives. Bioanalysis 2018; 10:1143-1159. [DOI: 10.4155/bio-2018-0051] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The developments on frontal analysis capillary electrophoresis (FACE) from 2012 to 2017 to study interactions of simple and complex systems are reviewed. Most research papers focused on therapeutic drug-related studies; however, other studies include chemical sensing, drug delivery, inhibitor screening and capillary coating. New ligand–substrate systems such as template-molecularly imprinted polymer systems were reported. Comparison of FACE with other analytical techniques used to investigate binding interaction, and the determination of binding parameters using different isotherm models are also covered. In 2017, eight research papers were reported including new detection by ESI–MS. Future research direction of FACE may include high sensitivity detection and throughput screening of drugs, natural products and biomarkers for clinical diagnosis.
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29
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Sun Q, Suo Z, Pu H, Tang P, Gan N, Gan R, Zhai Y, Ding X, Li H. Studies of the binding properties of the food preservative thiabendazole to DNA by computer simulations and NMR relaxation. RSC Adv 2018; 8:20295-20303. [PMID: 35541658 PMCID: PMC9080843 DOI: 10.1039/c8ra03702g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 05/24/2018] [Indexed: 11/22/2022] Open
Abstract
Thiabendazole (TBZ) is a commonly used food preservative and has a wide range of anthelmintic properties. In this study, computer simulations and experiments were conducted to investigate the interaction mechanism of TBZ and herring sperm DNA (hsDNA) at the molecular level. Molecular docking showed that TBZ interacted with DNA in groove mode and bound in A-T and C-G base pair regions. Molecular dynamics (MD) was used to evaluate the stability of the TBZ-DNA complex and found that the three phases in MD and the hydrogen bonds helped maintain the combination. NMR relaxation indicated that TBZ had a certain affinity to hsDNA with a binding constant of 462.43 L mol-1, and the thiazole ring was the main group bound with DNA. Results obtained from fluorescence experiments showed that the binding of TBZ and hsDNA was predominantly driven by enthalpy through a static quenching mechanism. Circular dichroism and viscosity measurements proved the groove binding mode. The FTIR results clarified the conformational changes of DNA, that the DNA helix became shorter and compact, and the DNA structure transformed from B-form to A-form.
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Affiliation(s)
- Qiaomei Sun
- School of Chemical Engineering, Sichuan University Chengdu 610065 China +86 028 85401207 +86 028 85405220
| | - Zili Suo
- School of Chemical Engineering, Sichuan University Chengdu 610065 China +86 028 85401207 +86 028 85405220
| | - Hongyu Pu
- School of Chemical Engineering, Sichuan University Chengdu 610065 China +86 028 85401207 +86 028 85405220
| | - Peixiao Tang
- School of Chemical Engineering, Sichuan University Chengdu 610065 China +86 028 85401207 +86 028 85405220
| | - Na Gan
- School of Chemical Engineering, Sichuan University Chengdu 610065 China +86 028 85401207 +86 028 85405220
| | - Ruixue Gan
- School of Chemical Engineering, Sichuan University Chengdu 610065 China +86 028 85401207 +86 028 85405220
| | - Yuanming Zhai
- Analytical & Testing Center, Sichuan University Chengdu 610065 China
| | - Xiaohui Ding
- School of Chemical Engineering, Sichuan University Chengdu 610065 China +86 028 85401207 +86 028 85405220
| | - Hui Li
- School of Chemical Engineering, Sichuan University Chengdu 610065 China +86 028 85401207 +86 028 85405220
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30
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Marković OS, Cvijetić IN, Zlatović MV, Opsenica IM, Konstantinović JM, Terzić Jovanović NV, Šolaja BA, Verbić TŽ. Human serum albumin binding of certain antimalarials. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 192:128-139. [PMID: 29128746 DOI: 10.1016/j.saa.2017.10.061] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 10/09/2017] [Accepted: 10/23/2017] [Indexed: 06/07/2023]
Abstract
Interactions between eight in-house synthesized aminoquinolines, along with well-known chloroquine, and human serum albumin (HSA) have been studied by fluorescence spectroscopy. The synthesized aminoquinolines, despite being structurally diverse, were found to be very potent antimalarials. Fluorescence measurements indicate that three compounds having additional thiophene or benzothiophene substructure bind more strongly to HSA than other studied compounds. Competitive binding experiments indicate that these three compounds bind significantly stronger to warfarin compared to diazepam binding site. Fluorescence quenching at three temperatures (20, 25, and 37°C) was analyzed using classical Stern-Volmer equation, and a static quenching mechanism was proposed. The enthalpy and entropy changes upon sulphur-containing compound-HSA interactions were calculated using Van't Hoff equation. Positive values of enthalpy and entropy changes indicate that non-specific, hydrophobic interactions are the main contributors to HSA-compound interaction. Molecular docking and calculated lipophilicity descriptors indicate the same, pointing out that the increased lipophilicity of sulphur-containing compounds might be a reason for their better binding to HSA. Obtained results might contribute to design of novel derivatives with improved pharmacokinetic properties and drug efficacy.
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Affiliation(s)
- Olivera S Marković
- Department of Chemistry-IChTM, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia.
| | - Ilija N Cvijetić
- Innovation Center of the Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia.
| | - Mario V Zlatović
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia.
| | - Igor M Opsenica
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia.
| | | | | | - Bogdan A Šolaja
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia; Serbian Academy of Sciences and Arts, Knez Mihailova 35, 11000 Belgrade, Serbia.
| | - Tatjana Ž Verbić
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia.
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31
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Ràfols C, Amézqueta S, Fuguet E, Bosch E. Molecular interactions between warfarin and human (HSA) or bovine (BSA) serum albumin evaluated by isothermal titration calorimetry (ITC), fluorescence spectrometry (FS) and frontal analysis capillary electrophoresis (FA/CE). J Pharm Biomed Anal 2018; 150:452-459. [DOI: 10.1016/j.jpba.2017.12.008] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 12/04/2017] [Accepted: 12/05/2017] [Indexed: 10/18/2022]
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32
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Zhang C, Zhang X, Liu W, Chen S, Mao Z, Le X. Synthesis, crystal structures and DNA/human serum albumin binding of ternary Cu(II) complexes containing amino acids and 6‐(pyrazin‐2‐yl)‐1,3,5‐triazine‐2,4‐diamino. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.3994] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Chun‐Lian Zhang
- Department of Applied ChemistrySouth China Agricultural University Guangzhou 510642 People's Republic of China
| | - Xue‐Mei Zhang
- Department of Applied ChemistrySouth China Agricultural University Guangzhou 510642 People's Republic of China
| | - Wei Liu
- College of Materials and EnergySouth China Agricultural University Guangzhou 510642 People's Republic of China
| | - Shi Chen
- Department of Applied ChemistrySouth China Agricultural University Guangzhou 510642 People's Republic of China
| | - Zong‐Wan Mao
- School of ChemistrySun Yat‐sen University Guangzhou 510275 People's Republic of China
| | - Xue‐Yi Le
- Department of Applied ChemistrySouth China Agricultural University Guangzhou 510642 People's Republic of China
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33
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Du H, Zhang C, Mao K, Wang Y. A star-shaped poly(2-methyl-2-oxazoline)-based antifouling coating: Application in investigation of the interaction between acetaminophen and bovine serum albumin by frontal analysis capillary electrophoresis. Talanta 2017; 170:275-285. [DOI: 10.1016/j.talanta.2017.04.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 03/27/2017] [Accepted: 04/05/2017] [Indexed: 12/01/2022]
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34
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Binding of TEM-1 beta-lactamase to beta-lactam antibiotics by frontal affinity chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1051:75-83. [DOI: 10.1016/j.jchromb.2017.03.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 03/08/2017] [Accepted: 03/14/2017] [Indexed: 11/22/2022]
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35
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Domain-specific interactions between MLN8237 and human serum albumin estimated by STD and WaterLOGSY NMR, ITC, spectroscopic, and docking techniques. Sci Rep 2017; 7:45514. [PMID: 28358124 PMCID: PMC5371984 DOI: 10.1038/srep45514] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 02/27/2017] [Indexed: 12/26/2022] Open
Abstract
Alisertib (MLN8237) is an orally administered inhibitor of Aurora A kinase. This small-molecule inhibitor is under clinical or pre-clinical phase for the treatment of advanced malignancies. The present study provides a detailed characterization of the interaction of MLN8237 with a drug transport protein called human serum albumin (HSA). STD and WaterLOGSY nuclear magnetic resonance (NMR)-binding studies were conducted first to confirm the binding of MLN8237 to HSA. In the ligand orientation assay, the binding sites of MLN8237 were validated through two site-specific spy molecules (warfarin sodium and ibuprofen, which are two known site-selective probes) by using STD and WaterLOGSY NMR competition techniques. These competition experiments demonstrate that both spy molecules do not compete with MLN8237 for the specific binding site. The AutoDock-based blind docking study recognizes the hydrophobic subdomain IB of the protein as the probable binding site for MLN8237. Thermodynamic investigations by isothermal titration calorimetry (ITC) reveal that the non-covalent interaction between MLN8237 and HSA (binding constant was approximately 105 M−1) is driven mainly by favorable entropy and unfavorable enthalpy. In addition, synchronous fluorescence, circular dichroism (CD), and 3D fluorescence spectroscopy suggest that MLN8237 may induce conformational changes in HSA.
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36
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Pawar SK, Jaldappagari S. Probing the mechanism of interaction of metoprolol succinate with human serum albumin by spectroscopic and molecular docking analysis. LUMINESCENCE 2017; 32:942-951. [PMID: 28233399 DOI: 10.1002/bio.3275] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 10/27/2016] [Accepted: 12/08/2016] [Indexed: 11/09/2022]
Abstract
In the present work, the mechanism of the interaction between a β1 receptor blocker, metoprolol succinate (MS) and human serum albumin (HSA) under physiological conditions was investigated by spectroscopic techniques, namely fluorescence, Fourier transform infra-red spectroscopy (FT-IR), fluorescence lifetime decay and circular dichroism (CD) as well as molecular docking and cyclic voltammetric methods. The fluorescence and lifetime decay results indicated that MS quenched the intrinsic intensity of HSA through a static quenching mechanism. The Stern-Volmer quenching constants and binding constants for the MS-HSA system at 293, 298 and 303 K were obtained from the Stern-Volmer plot. Thermodynamic parameters for the interaction of MS with HSA were evaluated; negative values of entropy change (ΔG°) indicated the spontaneity of the MS and HSA interaction. Thermodynamic parameters such as negative ΔH° and positive ΔS° values revealed that hydrogen bonding and hydrophobic forces played a major role in MS-HSA interaction and stabilized the complex. The binding site for MS in HSA was identified by competitive site probe experiments and molecular docking studies. These results indicated that MS was bound to HSA at Sudlow's site I. The efficiency of energy transfer and the distance between the donor (HSA) and acceptor (MS) was calculated based on the theory of Fosters' resonance energy transfer (FRET). Three-dimensional fluorescence spectra and CD results revealed that the binding of MS to HSA resulted in an obvious change in the conformation of HSA. Cyclic voltammograms of the MS-HSA system also confirmed the interaction between MS and HSA. Furthermore, the effects of metal ions on the binding of MS to HSA were also studied.
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Affiliation(s)
- Suma K Pawar
- Department of Chemistry, Karnatak University, Dharwad, India
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37
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Lelis CA, Hudson EA, Ferreira GMD, Ferreira GMD, da Silva LHM, da Silva MDCH, Pinto MS, Pires ACDS. Binding thermodynamics of synthetic dye Allura Red with bovine serum albumin. Food Chem 2017; 217:52-58. [DOI: 10.1016/j.foodchem.2016.08.080] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Revised: 08/23/2016] [Accepted: 08/23/2016] [Indexed: 11/25/2022]
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38
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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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39
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Yu S, Schuchardt M, Tölle M, van der Giet M, Zidek W, Dzubiella J, Ballauff M. Interaction of human serum albumin with uremic toxins: a thermodynamic study. RSC Adv 2017. [DOI: 10.1039/c7ra02838e] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Interaction of uremic toxins with HSA is studied by ITC and understood in terms of thermodynamic driving forces.
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Affiliation(s)
- Shun Yu
- Soft Matter and Functional Materials
- Helmholtz-Zentrum Berlin
- 14109 Berlin
- Germany
- Helmholtz Virtual Institute “Multifunctional Biomaterials for Medicine”
| | - Mirjam Schuchardt
- Medizinische Klinik für Nephrologie
- Universitätsmedizin Berlin
- Campus Benjamin Franklin
- 12203 Berlin
- Germany
| | - Markus Tölle
- Medizinische Klinik für Nephrologie
- Universitätsmedizin Berlin
- Campus Benjamin Franklin
- 12203 Berlin
- Germany
| | - Markus van der Giet
- Medizinische Klinik für Nephrologie
- Universitätsmedizin Berlin
- Campus Benjamin Franklin
- 12203 Berlin
- Germany
| | - Walter Zidek
- Medizinische Klinik für Nephrologie
- Universitätsmedizin Berlin
- Campus Benjamin Franklin
- 12203 Berlin
- Germany
| | - Joachim Dzubiella
- Soft Matter and Functional Materials
- Helmholtz-Zentrum Berlin
- 14109 Berlin
- Germany
- Helmholtz Virtual Institute “Multifunctional Biomaterials for Medicine”
| | - Matthias Ballauff
- Soft Matter and Functional Materials
- Helmholtz-Zentrum Berlin
- 14109 Berlin
- Germany
- Helmholtz Virtual Institute “Multifunctional Biomaterials for Medicine”
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40
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Zhao L, Liu J, Guo R, Sun Q, Yang H, Li H. Investigating the interaction mechanism of fluorescent whitening agents to human serum albumin using saturation transfer difference-NMR, multi-spectroscopy, and docking studies. RSC Adv 2017. [DOI: 10.1039/c7ra04008c] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Characterization of the interaction between two fluorescent whitening agents and human serum albumin: 1H STD-NMR, multi-spectroscopy, and docking studies.
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Affiliation(s)
- Ludan Zhao
- College of Light Industry
- Textile and Food Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Jiuyang Liu
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230026
- China
| | - Ronghui Guo
- College of Light Industry
- Textile and Food Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Qiaomei Sun
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Hongqin Yang
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Hui Li
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
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41
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Zeng K, Wang J, Sun Z, Li Q, Liao S, Zhao X, Zheng X. Rapid analysis of interaction between six drugs and β 2 -adrenergic receptor by injection amount-dependent method. Biomed Chromatogr 2016; 31. [PMID: 27859454 DOI: 10.1002/bmc.3897] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 11/01/2016] [Accepted: 11/10/2016] [Indexed: 12/26/2022]
Abstract
Drug-protein interaction analysis has become a considerable topic in life science which includes clarifying protein functions, explaining drug action mechanisms and uncovering novel drug candidates. This work was to determine the association constants (KA ) of six drugs to β2 -adrenergic receptor by injection amount-dependent method using stationary phase containing the immobilized receptor. The values of KA were calculated to be (25.85 ± 0.035) × 104 m-1 for clorprenaline, (42.51 ± 0.054) × 104 m-1 for clenbuterol, (6.67 ± 0.008) × 104 m-1 for terbutaline, (33.99 ± 0.025) × 104 m-1 for tulobuterol, (7.59 ± 0.011) × 104 m-1 for salbutamol and (78.52 ± 0.087) × 104 m-1 for bambuterol. This rank order agreed well with the data determined by zonal elution, frontal analysis and nonlinear chromatography, even using different batches of β2 -AR column. A good correlation was found between the association constants by the current method and radio-ligand binding assay. Our data indicates that the injection amount-dependent method is a powerful alternative for rapid analysis of ligand-receptor interactions.
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Affiliation(s)
- Kaizhu Zeng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, China
| | - Jing Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, China
| | - Zhenyu Sun
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, China
| | - Qian Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, China
| | - Sha Liao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, China
| | - Xinfeng Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, China
| | - Xiaohui Zheng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, China
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42
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Thermodynamic and kinetic characterization of pH-dependent interactions between bovine serum albumin and ibuprofen in 2D and 3D systems. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.05.090] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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43
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Yang H, Huang Y, He J, Li S, Tang B, Li H. Interaction of lafutidine in binding to human serum albumin in gastric ulcer therapy: STD-NMR, WaterLOGSY-NMR, NMR relaxation times, Tr-NOESY, molecule docking, and spectroscopic studies. Arch Biochem Biophys 2016; 606:81-9. [PMID: 27457418 DOI: 10.1016/j.abb.2016.07.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 07/19/2016] [Accepted: 07/21/2016] [Indexed: 12/11/2022]
Abstract
In this study, lafutidine (LAF) was used as a model compound to investigate the binding mechanism between antiulcer drugs and human serum albumin (HSA) through various techniques, including STD-NMR, WaterLOGSY-NMR, (1)H NMR relaxation times, tr-NOESY, molecule docking calculation, FT-IR spectroscopy, and CD spectroscopy. The analyses of STD-NMR, which derived relative STD (%) intensities, and WaterLOGSY-NMR, determined that LAF bound to HSA. In particular, the pyridyl group of LAF was in close contact with HSA binding pocket, whereas furyl group had a secondary binding. Competitive STD-NMR and WaterLOGSY-NMR experiments, with warifarin and ibuprofen as site-selective probes, indicated that LAF preferentially bound to site II in the hydrophobic subdomains IIIA of HSA. The bound conformation of LAF at the HSA binding site was further elucidated by transferred NOE effect (tr-NOESY) experiment. Relaxation experiments provided quantitative information about the relationship between the affinity and structure of LAF. The molecule docking simulations conducted with AutoDock and the restraints derived from STD results led to three-dimensional models that were consistent with the NMR spectroscopic data. The presence of hydrophobic forces and hydrogen interactions was also determined. Additionally, FT-IR and CD spectroscopies showed that LAF induced secondary structure changes of HSA.
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Affiliation(s)
- Hongqin Yang
- College of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Yanmei Huang
- College of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Jiawei He
- College of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Shanshan Li
- College of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Bin Tang
- College of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Hui Li
- College of Chemical Engineering, Sichuan University, Chengdu 610065, PR China.
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44
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Comprehensive study on the structure of the BSA from extended-to aged form in wide (2–12) pH range. Int J Biol Macromol 2016; 88:51-8. [DOI: 10.1016/j.ijbiomac.2016.03.030] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 03/14/2016] [Accepted: 03/15/2016] [Indexed: 01/20/2023]
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45
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Yang H, Huang Y, Wu D, Yan J, He J, Li H. In vitro investigation of the interaction between the hepatitis C virus drug sofosbuvir and human serum albumin through 1H NMR, molecular docking, and spectroscopic analyses. NEW J CHEM 2016. [DOI: 10.1039/c5nj02003d] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The qualitative and quantitative investigation of sofosbuvir and HSA interaction provides a convictive explanation for its binding mechanism.
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Affiliation(s)
- Hongqin Yang
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Yanmei Huang
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Di Wu
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Jin Yan
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Jiawei He
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Hui Li
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
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46
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Zhang Q, Ni Y, Kokot S. Competitive interactions between glucose and lactose with BSA: which sugar is better for children? Analyst 2016; 141:2218-27. [DOI: 10.1039/c5an02420j] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The study strongly suggested that, as compared with glucose, lactose is more likely to promote the growth and development of healthy children.
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Affiliation(s)
- Qiulan Zhang
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Yongnian Ni
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
- State Key Laboratory of Food Science and Technology
| | - Serge Kokot
- School of Chemistry
- Physics and Mechanical Engineering
- Science and Engineering Faculty
- Queensland University of Technology
- Brisbane 4001
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47
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Application of capillary electrophoresis-frontal analysis for comparative evaluation of the binding interaction of captopril with human serum albumin in the absence and presence of hydrochlorothiazide. J Pharm Biomed Anal 2015; 115:31-5. [DOI: 10.1016/j.jpba.2015.06.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 06/12/2015] [Accepted: 06/17/2015] [Indexed: 12/19/2022]
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48
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Salary M, Hadjmohammadi M. Human serum albumin-mimetic chromatography based hexadecyltrimethylammonium bromide as a novel direct probe for protein binding of acidic drugs. J Pharm Biomed Anal 2015; 114:1-7. [DOI: 10.1016/j.jpba.2015.04.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Revised: 04/26/2015] [Accepted: 04/28/2015] [Indexed: 01/17/2023]
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49
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Cheng XX, Fan XY, Jiang FL, Liu Y, Lei KL. Resonance energy transfer, pH-induced folded states and the molecular interaction of human serum albumin and icariin. LUMINESCENCE 2015; 30:1026-33. [PMID: 25669664 DOI: 10.1002/bio.2854] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2014] [Revised: 12/15/2014] [Accepted: 12/28/2014] [Indexed: 01/20/2023]
Abstract
Icariin is a flavonol glycoside with a wide range of pharmacological and biological activities. The pharmacological and biological functions of flavonoid compounds mainly originate from their binding to proteins. The mode of interaction of icariin with human serum albumin (HSA) has been characterized by fluorescence spectroscopy and far- and near-UV circular dichroism (CD) spectroscopy under different pH conditions. Fluorescence quenching studies showed that the binding affinity of icariin with HSA in the buffer solution at different pH values is: Ka (pH 4.5) > Ka (pH 3.5) > Ka (pH 9.0) > Ka (pH 7.0). Red-edge excitation shift (REES) studies revealed that pH had an obvious effect on the mobility of the tryptophan microenvironment and the addition of icariin made the REES effect more distinct. The static quenching mechanism and number of binding sites (n ≈ 1) were obtained from fluorescence data at three temperatures (298, 304 and 310 K). Both ∆H(0) < 0 and ∆Ѕ(0) < 0 suggested that hydrogen bonding and van der Waal's interaction were major driving forces in the binding mechanism, and this was also confirmed by the molecular simulation results. The distance r between the donor (HSA) and the acceptor (icariin) was calculated based on Förster non-radiation energy transfer theory. We found that pH had little impact on the energy transfer between HSA and icariin. Far- and near-UV CD spectroscopy studies further indicated the influence of pH on the complexation process and the alteration in the protein conformation upon binding.
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Affiliation(s)
- Xiao-Xia Cheng
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, People's Republic of China.,School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430072, People's Republic of China
| | - Xiao-Yang Fan
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, People's Republic of China
| | - Feng-Lei Jiang
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, People's Republic of China
| | - Yi Liu
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, People's Republic of China
| | - Ke-Lin Lei
- School of Chemistry and Food Sciences, Hubei University of Arts and Sciences, Xiangyang, 441053, People's Republic of China
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50
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Galievsky VA, Stasheuski AS, Krylov SN. Capillary Electrophoresis for Quantitative Studies of Biomolecular Interactions. Anal Chem 2014; 87:157-71. [DOI: 10.1021/ac504219r] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Victor A. Galievsky
- Department
of Chemistry and
Centre for Research on Biomolecular Interactions, York University, Toronto, Ontario M3J 1P3, Canada
| | - Alexander S. Stasheuski
- Department
of Chemistry and
Centre for Research on Biomolecular Interactions, York University, Toronto, Ontario M3J 1P3, Canada
| | - Sergey N. Krylov
- Department
of Chemistry and
Centre for Research on Biomolecular Interactions, York University, Toronto, Ontario M3J 1P3, Canada
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