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Tong WH, Wang SQ, Chen GY, Li DX, Wang YS, Zhao LM, Yang Y. Characterization of the structural and molecular interactions of Ferulic acid ethyl ester with human serum albumin and Lysozyme through multi-methods. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 320:124549. [PMID: 38870694 DOI: 10.1016/j.saa.2024.124549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 05/22/2024] [Accepted: 05/26/2024] [Indexed: 06/15/2024]
Abstract
Ferulic acid ethyl ester (FAEE) is an essential raw material for the formulation of drugs for cardiovascular and cerebrovascular diseases and leukopenia. It is also used as a fixed aroma agent for food production due to its high pharmacological activity. In this study, the interaction of FAEE with Human serum albumin (HSA) and Lysozyme (LZM) was characterized by multi-spectrum and molecular dynamics simulations at four different temperatures. Additionally, the quenching mechanism of FAEE-HSA and FAEE-LZM were explored. Meanwhile, the binding constants, binding sites, thermodynamic parameters, molecular dynamics, molecular docking binding energy, and the influence of metal ions in the system were evaluated. The results of Synchronous fluorescence spectroscopy, UV-vis spectroscopy, CD, three-dimensional fluorescence spectrum, and resonance light scattering showed that the microenvironment of HSA and LZM and the protein conformation changed in the presence of FAEE. Furthermore, the effects of some common metal ions on the binding constants of FAEE-HSA and FAEE-LZM were investigated. Overall, the experimental results provide a theoretical basis for promoting the application of FAEE in the cosmetics, food, and pharmaceutical industries and significant guidance for food safety, drug design, and development.
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Affiliation(s)
- Wen-Hua Tong
- School of Biological Engineering, Sichuan University of Science and Engineering, Yibin 644000, China; Key Laboratory of Brewing Biotechnology and Application, Yibin 644000, China.
| | - Shu-Qin Wang
- School of Biological Engineering, Sichuan University of Science and Engineering, Yibin 644000, China
| | - Guan-Ying Chen
- School of Biological Engineering, Sichuan University of Science and Engineering, Yibin 644000, China
| | - Dong-Xu Li
- School of Biological Engineering, Sichuan University of Science and Engineering, Yibin 644000, China
| | - Yan-Sen Wang
- School of Biological Engineering, Sichuan University of Science and Engineering, Yibin 644000, China
| | - Li-Ming Zhao
- School of Biotechnology, East China University of Science and Technology, Shanghai 200000, China
| | - Ying Yang
- School of Biological Engineering, Sichuan University of Science and Engineering, Yibin 644000, China.
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2
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Adhikary K, Banerjee P, Barman S, Banerjee A, Sarkar A, Bag S, Chatterjee S, Bandyopadhyay B, Panja AS. Larvicidal activity of β-Citral: An In-vitro and In-silico study to understand its potential against mosquito. Acta Trop 2024:107356. [PMID: 39128617 DOI: 10.1016/j.actatropica.2024.107356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2024] [Accepted: 08/06/2024] [Indexed: 08/13/2024]
Abstract
Tropical and subtropical regions face millions of deaths from mosquito-borne illnesses yearly. Insecticides prevent transmission but pose health risks like dermatitis and allergies. The primary objective was to mitigate the recurring dependence on synthetic insecticides, thereby curbing the development of mosquito resistance. Leaves of Cymbopogon flexuosus (lemongrass) was collected from Mayurbhanj, India, processed, then extracted by steam distillation for essential oils & analyzed spectroscopically. Larvicidal assays were performed across varying concentrations, revealing the significant mortality induced by the Cymbopogon flexuosus extract against Anopheles stephensi larvae. 3D structure was modelled by using G protein-coupled receptors (GPCR) sequence and structural stability was also validated. After docking the binding free energy was determined from GPCR protein with β-citral complex. Molecular dynamics (MD) study was conducted on the docked pose that displayed an optimal interactome profile. The larvicidal assay at the 12th and 24th hour revealed the highest LC50 (lethal concentration) of 23.493 ppm and 19.664 ppm . β-Citral has a high binding affinity and an identifiable binding site, which suggests that it may play a larvicidal role in regulating the receptor's function by creating stable complexes with it. β-Citral from lemongrass oils has potential larvicidal activity and effective against GPCR family 1 of mosquito and highly effective repellents against mosquito-borne diseases.
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Affiliation(s)
- Krishnendu Adhikary
- Department of Interdisciplinary Science, Centurion University of Technology & Management, Odisha, 761211, India
| | - Pradipta Banerjee
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering (ICRME), Indiana University School of Medicine, IN 46202, Indianapolis
| | - Saurav Barman
- Department of Soil Science, Centurion University of Technology & Management, Odisha 761211, India.
| | - Arundhati Banerjee
- Department of Medical Lab Technology & Biotechnology, Paramedical College Durgapur, West Bengal, 713212, India
| | - Aniket Sarkar
- Department of Biotechnology, Molecular Informatics Laboratory, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Souvik Bag
- Parasitology and Microbiology Research Laboratory, Department of Zoology, The University of Burdwan, 713104, West Bengal, India
| | - Soumendranath Chatterjee
- Parasitology and Microbiology Research Laboratory, Department of Zoology, The University of Burdwan, 713104, West Bengal, India
| | - Bidyut Bandyopadhyay
- Department of Biotechnology, Molecular Informatics Laboratory, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Anindya Sundar Panja
- Department of Biotechnology, Molecular Informatics Laboratory, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore, West Bengal 721102, India
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Singh P, Gopi P, Rani MSS, Singh S, Pandya P. Biophysical and structural characterization of tetramethrin serum protein complex and its toxicological implications. J Mol Recognit 2024; 37:e3076. [PMID: 38366770 DOI: 10.1002/jmr.3076] [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: 09/20/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/18/2024]
Abstract
Tetramethrin (TMT) is a commonly used insecticide and has a carcinogenic and neurodegenerative effect on humans. The binding mechanism and toxicological implications of TMT to human serum albumin (HSA) were examined in this study employing a combination of biophysical and computational methods indicating moderate binding affinity and potential hepato and renal toxicity. Fluorescence quenching experiments showed that TMT binds to HSA with a moderate affinity, and the binding process was spontaneous and predominantly enthalpy-driven. Circular dichroism spectroscopy revealed that TMT binding did not induce any significant conformational changes in HSA, resulting in no changes in its alpha-helix content. The binding site and modalities of TMT interactions with HSA as computed by molecular docking and molecular dynamics simulations revealed that it binds to Sudlow site II of HSA via hydrophobic interactions through its dimethylcyclopropane carboxylate methyl propanyl group. The structural dynamics of TMT induce proper fit into the binding site creating increased and stabilizing interactions. Additionally, molecular mechanics-Poisson Boltzmann surface area calculations also indicated that non-polar and van der Waals were found to be the major contributors to the high binding free energy of the complex. Quantum mechanics (QM) revealed the conformational energies of the binding confirmation and the degree of deviation from the global minimum energy conformation of TMT. The results of this study provide a comprehensive understanding of the binding mechanism of TMT with HSA, which is important for evaluating the toxicity of this insecticide in humans.
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Affiliation(s)
- Pratik Singh
- Amity Institute of Forensic Sciences, Amity University, Noida, India
| | - Priyanka Gopi
- Amity Institute of Forensic Sciences, Amity University, Noida, India
| | | | - Shweta Singh
- Amity Institute of Forensic Sciences, Amity University, Noida, India
| | - Prateek Pandya
- Amity Institute of Forensic Sciences, Amity University, Noida, India
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Yang Y, Han W, Zhang H, Qiao H, Zhang Y, Zhang Z, Wang J. Insights into interaction of triazine herbicides with three kinds of different alkyl groups (simetryne, ametryn and terbutryn) with human serum albumin via multi-spectral analysis. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 201:105895. [PMID: 38685222 DOI: 10.1016/j.pestbp.2024.105895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 05/02/2024]
Abstract
In this study, the interaction of triazine herbicides with three kinds of different alkyl groups (simetryne, ametryn and terbutryn) with human serum albumin (HSA) are investigated through UV-vis, fluorescence, and circular dichroism (CD) spectra. The mechanisms on the fluorescence quenching of HSA initiated by triazine herbicides are obtained using Stern-Volmer, Lineweaver-Burk and Double logarithm equations. The quenching rate constant (Kq), Stern-Volmer quenching constant (Ksv), binding constant (KA), thermodynamic parameters such as enthalpy change (∆H), entropy change (∆S) and Gibbs free energy (∆G) and number of binding site (n) are calculated and compared. The variations in the microenvironment of amino acid residues are studied by synchronous fluorescence spectroscopy. The binding sites and subdomains are identified using warfarin and ibuprofen as site probes. The conformational changes of HSA are measured using CD spectra. The results reveal that the triazine herbicides with different alkyl groups can interact with HSA by static quenching. The combination of the three herbicides and HSA are equally proportional, and the binding processes are spontaneous. Hydrophobic interaction forces play important roles in simetryne-HSA and ametryn-HSA, while the interaction of terbutryn-HSA is Van der Waals forces and hydrogen bonding. Moreover, the three herbicides can bind to HSA at site I (sub-domain IIA) more than site II (subdomain IIIA), and combine with tryptophan (Trp) more easily than tyrosine (Tyr) residues, respectively. By comparison, the order of interaction strength is terbutryn-HSA > ametryn-HSA > simetryne-HSA. Terbutryn can destroy the secondary structure of HSA more than simetryne and ametryn, and the potential toxicity of terbutryn is higher. It is expected that the interactions of triazine herbicides with HSA via multi-spectral analysis can offer some valuable information for studying the toxicity and the harm of triazine herbicides on human health at molecular level in life science.
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Affiliation(s)
- Ying Yang
- School of Environment, Liaoning University, Shenyang 110036, China
| | - Wenhui Han
- School of Environment, Liaoning University, Shenyang 110036, China
| | - Honglu Zhang
- School of Environment, Liaoning University, Shenyang 110036, China
| | - Heng Qiao
- Qingdao ECH Testing Limited Company, Qingdao 266109, China
| | - Yongcai Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Zhaohong Zhang
- School of Environment, Liaoning University, Shenyang 110036, China.
| | - Jun Wang
- School of Chemistry, Liaoning University, Shenyang 110036, PR China.
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Asgharzadeh S, Shareghi B, Farhadian S. Probing the toxic effect of chlorpyrifos as an environmental pollutant on the structure and biological activity of lysozyme under physiological conditions. CHEMOSPHERE 2024; 355:141724. [PMID: 38499074 DOI: 10.1016/j.chemosphere.2024.141724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/04/2024] [Accepted: 03/13/2024] [Indexed: 03/20/2024]
Abstract
The pervasive use of pesticides like chlorpyrifos (CPY) has been associated with deleterious effects on biomolecules, posing significant risks to environmental integrity, public health, and overall ecosystem equilibrium. Accordingly, in this study, we investigated the potential binding interaction between the well-conserved enzyme, lysozyme (LSZ), and CPY through various spectroscopic techniques and molecular modeling. The UV-vis absorption and fluorescence experiments confirmed the complex formation and static quenching of the intrinsic fluorescence intensity. LSZ revealed a singular binding site for CPY, with binding constants around 105 M-1 across different temperature ranges. Analysis of thermodynamic parameters showed the spontaneous nature of the complexation process, while also revealing the pivotal role of hydrophobic interactions in stabilizing the LSZ-CPY system. According to circular dichroism and Fourier transform infrared studies, CPY binding changed the secondary structure of LSZ by boosting α-helix presence and reducing the levels of β-sheet and β-turn content. Further, CPY decreased the stability and activity of LSZ. Computational docking delineated the specific and highly preferred binding site of CPY within the structure of LSZ. Molecular dynamic simulation indicated the enduring stability of the LSZ/CPY complex and revealed structural modifications in the LSZ after binding with CPY. This research provides a detailed understanding of the intermolecular dynamics between CPY and LSZ, concurrently elucidating the molecular-level implications for the potential hazards of pesticides in the natural environment.
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Affiliation(s)
- Sanaz Asgharzadeh
- Department of Biology, Faculty of Science, Shahrekord University, Shahrekord, P. O. Box.115, Iran; Central Laboratory, Shahrekord University, Shahrekord, Iran
| | - Behzad Shareghi
- Department of Biology, Faculty of Science, Shahrekord University, Shahrekord, P. O. Box.115, Iran; Central Laboratory, Shahrekord University, Shahrekord, Iran.
| | - Sadegh Farhadian
- Department of Biology, Faculty of Science, Shahrekord University, Shahrekord, P. O. Box.115, Iran; Central Laboratory, Shahrekord University, Shahrekord, Iran.
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Xu Z, Du H, Manyande A, Xiong S. A comprehensive investigation on the interaction between jaceosidin, baicalein and lipoxygenase: Multi-spectroscopic analysis and computational study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123423. [PMID: 37742591 DOI: 10.1016/j.saa.2023.123423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 08/11/2023] [Accepted: 09/16/2023] [Indexed: 09/26/2023]
Abstract
Lipoxygenase (LOX) has the harmful effect of accelerating lipid oxidation, and polyphenols have the inhibitory effect on lipoxygenase. However, there were rare researches investigated on the interactions between polyphenols and LOX. In this study, the binding mechanisms between polyphenols (Jaceosidin-JSD and baicalein-BCL) and LOX were investigated by multi-spectroscopic analysis and computational study. Both JSD and BCL binding to LOX resulted in static fluorescence quenching, and the complexes of JSD-LOX and BCL-LOX were built at a molar ratio of 1:1, respectively. The binding constants of LOX-JSD (72.18 × 105 L/mol at 298 K) and LOX-BCL (12.43 × 105 L/mol at 298 K) indicated that LOX had stronger binding affinity to JSD compared to BCL. Compared with BCL-LOX, the JSD-LOX system formed more hydrogen bonds which ensured a stronger bond between JSD and LOX. The studies in molecular dynamics also demonstrated that the JSD-LOX complex is more stable, and the addition of JSD is more conducive to the complex formation. The current study provides some new insights for the study on the inhibition of lipid oxidation and affords a new strategy for the discovery of novel food preservatives.
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Affiliation(s)
- Zeru Xu
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, PR China
| | - Hongying Du
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, PR China; Department of Food Science and Engineering, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, PR China.
| | - Anne Manyande
- School of Human and Social Sciences, University of West London, Middlesex TW8 9GA, UK
| | - Shanbai Xiong
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, PR China
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7
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Laha A, Sarkar A, Panja AS, Bandopadhyay R. Screening of Prospective Antiallergic Compound as FcεRI Inhibitors and Its Antiallergic Efficacy Through Immunoinformatics Approaches. Mol Biotechnol 2024; 66:26-33. [PMID: 36988875 DOI: 10.1007/s12033-023-00728-9] [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: 10/26/2022] [Accepted: 03/21/2023] [Indexed: 03/30/2023]
Abstract
The occurrence of allergy, a type I hypersensitivity reaction, is rising exponentially all over the world. Sometimes, allergy proves to be fatal for atopic patients, due to the occurrence of anaphylaxis. This study is aimed to find an anti-allergic agent that can inhibit the binding of IgE to Human High Affinity IgE Receptor (FCεRI), thereby preventing the degranulation of mast cells. A considerable number of potential anti-allergic compounds were assessed for their inhibitory strength through ADMET studies. AUTODOCK was used for estimating the binding energy between anti-allergic compounds and FCεRI, along with the interacting amino acids. The docked pose showing favorable binding energy was subjected to molecular dynamics simulation study. Marrubiin, a diterpenoid lactone from Lamiaceae, and epicatechin-3-gallate appears to be effective in blocking the Human High Affinity IgE Receptor (FCεRI). This in-silico study proposes the use of marrubiin and epicatechin-3-gallate, in the downregulation of allergic responses. Due to the better inhibition constant, future direction of this study is to analyze the safety and efficacy of marrubiin in anti-allergic activities through in-vivo clinical human trials.
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Affiliation(s)
- Anubhab Laha
- UGC Centre for Advanced Study, Department of Botany, The University of Burdwan, Golapbag, Burdwan, West Bengal, 713104, India
- Department of Botany, Chandernagore College, Chandernagore, Hooghly, West Bengal, 712136, India
| | - Aniket Sarkar
- Post-Graduate Department of Biotechnology, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore, West Bengal, India
| | - Anindya Sundar Panja
- Department of Biotechnology, Molecular Informatics Laboratory, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Rajib Bandopadhyay
- UGC Centre for Advanced Study, Department of Botany, The University of Burdwan, Golapbag, Burdwan, West Bengal, 713104, India.
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Khan S, Naeem A. Bovine serum albumin prevents human hemoglobin aggregation and retains its chaperone-like activity. J Biomol Struct Dyn 2024; 42:346-361. [PMID: 36974939 DOI: 10.1080/07391102.2023.2192802] [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: 02/03/2023] [Accepted: 03/13/2023] [Indexed: 03/29/2023]
Abstract
This study investigates the ability of bovine serum albumin (BSA) to act as an extracellular chaperone (EC) on human hemoglobin (Hb) at a pH of 7.4. The best temperature for studying this behavior was determined by analyzing Hb's aggregation kinetics at multiple temperatures. 55 °C was chosen as the optimal temperature for forming Hb amyloids. BSA was then tested at various concentrations (20-100 μM) to assess its chaperone-like activity on Hb at 55 °C. At a concentration of 100 μM, BSA exhibits chaperone-like activity with a client protein:BSA ratio of 1:10. The high ratio implies that the chaperone activity of BSA is favored by the effects of macromolecular crowding. The results showed that BSA has the potential to inhibit Hb's dissociation into alpha and beta subunits and protein aggregation by inhibiting secondary nucleation. BSA also causes the depolymerization of fibrils over time. The results were validated using molecular docking and all-atom molecular dynamics simulations. MD analysis such as RMSD, RMSF, Rg, SASA, Hydrogen bond, PCA, Free energy landscape (FEL) revealed that the stability of hemoglobin is greater when it is bound to BSA compared to unbound state. The study suggests that BSA can potentially bind to Hb dimers and reduce excitonic interactions, which reduces Hb aggregation. These results are consistent with the aggregation kinetics experiments.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sadaf Khan
- Department of Biochemistry, Aligarh Muslim University, Aligarh, India
| | - Aabgeena Naeem
- Department of Biochemistry, Aligarh Muslim University, Aligarh, India
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Liu H, Ma Y, Li X, Gu J, Dong D. Interaction mechanism of benzophenone-type UV filters on bovine serum albumin: Insights from structure-affinity relationship. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2022; 57:1037-1046. [PMID: 36416057 DOI: 10.1080/10934529.2022.2148992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/25/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Benzophenone (BP)-type UV filters can cause structural changes of carrier protein in plasma. The binding process of five BP-type UV filters with bovine serum albumin (BSA) was investigated by multiple characterization methods, along with their structure-affinity relationship involving the structure of the five BP-type UV filters and their binding affinity for BSA. The BP-type UV filters investigated bound to BSA spontaneously, and altered conformation of BSA. The binding constants and number of binding sites between BP-type UV filters and BSA were 103-106 M-1 and 0.82-1.26, respectively. These BP-type UV filters and BSA interacted with the same binding forces and went through the similar binding process, suggesting that the benzophenone skeleton structure was primarily responsible for the BP-type UV filters and BSA binding, and changes in the structure of the BSA. The BP-type UV filters with hydroxyl substituent (BP-1 and BP-9) and non-polar molecules (BP-6) had a high affinity for binding BSA and had a greater impact on BSA conformation.
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Affiliation(s)
- Hongrui Liu
- College of Chemistry and Chemical Engineering, Bohai University, Jinzhou, PR China
| | - Yanxuan Ma
- College of Chemistry and Chemical Engineering, Bohai University, Jinzhou, PR China
| | - Xiang Li
- Shenyang Photosensitive Chemical Research Institute Co. Ltd., Shenyang, PR China
| | - Jiali Gu
- College of Chemistry and Chemical Engineering, Bohai University, Jinzhou, PR China
| | - Dianbo Dong
- Liaoning Academy of Environmental Sciences, Shenyang, PR China
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Singh S, Gopi P, Pandya P. Structural aspects of formetanate hydrochloride binding with human serum albumin using spectroscopic and molecular modeling techniques. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 281:121618. [PMID: 35853255 DOI: 10.1016/j.saa.2022.121618] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/28/2022] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
Formetanate Hydrochloride (FMT), a highly potent chemical, acts as an insecticide, acaricide, and miticide to protect various fruits and vegetables. The widespread use elevates concern about its presence in the ecosystem, impact upon human health via interaction with biological receptors. Spectroscopic and molecular modeling techniques at different temperatures were used to investigate the binding of FMT with Human serum albumin (HSA) at the molecular level. The experimental and computational results have provided the binding affinity, binding mode, conformational flexibility, and thermodynamic profile of FMT-HSA complex. The FMT binding appears to be spontaneous, and entropy driven. Overall binding affinity of FMT falls within -7.29 to -4.67 Kcal M-1. FMT binds in domain I, subdomain IA of HSA and is stabilized by hydrophobic interactions. Molecular dynamics simulations of the FMT-HSA complex over 100 ns at 288 K, 298 K and 308 K indicated that FMT showed minor adjustments in conformation and placement within the binding site. While, MM/PBSA analysis of the complex provided individual contributions of energy terms. Quantum mechanical (QM) calculations were used to calculate absolute energy values of different poses of FMT which in turn showed minor variations in energy suggesting slight conformational variation in the bound form. The computational results are in agreement with experimental findings.
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Affiliation(s)
- Shweta Singh
- Amity Institute of Forensic Sciences, Amity University Uttar Pradesh, Noida 201303, India
| | - Priyanka Gopi
- Amity Institute of Forensic Sciences, Amity University Uttar Pradesh, Noida 201303, India
| | - Prateek Pandya
- Amity Institute of Forensic Sciences, Amity University Uttar Pradesh, Noida 201303, India.
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11
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Study of reactive dye/serum albumin interactions: thermodynamic parameters, protein alterations and computational analysis. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02561-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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12
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Comparison of the interactions of fanetizole with pepsin and trypsin: Spectroscopic and molecular docking approach. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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13
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Giglio A, Vommaro ML. Dinitroaniline herbicides: a comprehensive review of toxicity and side effects on animal non-target organisms. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:76687-76711. [PMID: 36175724 PMCID: PMC9581837 DOI: 10.1007/s11356-022-23169-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/18/2022] [Indexed: 05/23/2023]
Abstract
The widespread use of herbicides has increased concern about the hazards and risks to animals living in terrestrial and aquatic ecosystems. A comprehensive understanding of their effective action at different levels of biological organization is critical for establishing guidelines to protect ecosystems and human health. Dinitroanilines are broad-spectrum pre-emergence herbicides currently used for weed control in the conventional agriculture. They are considered extremely safe agrochemicals because they act specifically on tubulin proteins and inhibit shoot and root growth of plants. However, there is a lack of toxicity information regarding the potential risk of exposure to non-target organisms. The aim of the present review is to focus on side effects of the most commonly used active ingredients, e.g. pendimethalin, oryzalin, trifluralin and benfluralin, on animal non-target cells of invertebrates and vertebrates. Acute toxicity varies from slightly to high in terrestrial and aquatic species (i.e. nematodes, earthworms, snails, insects, crustaceans, fish and mammals) depending on the species-specific ability of tested organisms to adsorb and discharge toxicants. Cytotoxicity, genotoxicity and activation of oxidative stress pathways as well as alterations of physiological, metabolic, morphological, developmental and behavioural traits, reviewed here, indicate that exposure to sublethal concentrations of active ingredients poses a clear hazard to animals and humans. Further research is required to evaluate the molecular mechanisms of action of these herbicides in the animal cell and on biological functions at multiple levels, from organisms to communities, including the effects of commercial formulations.
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Affiliation(s)
- Anita Giglio
- Department of Biology, Ecology and Earth Science, University of Calabria, via Bucci, 87036, Rende, Italy.
| | - Maria Luigia Vommaro
- Department of Biology, Ecology and Earth Science, University of Calabria, via Bucci, 87036, Rende, Italy
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14
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Shahabadi N, Zendehcheshm S, Khademi F. Green Synthesis, in vitro Cytotoxicity, Antioxidant Activity and Interaction Studies of CuO Nanoparticles with DNA, Serum Albumin, Hemoglobin and Lysozyme. ChemistrySelect 2022. [DOI: 10.1002/slct.202202916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Nahid Shahabadi
- Inorganic Chemistry Department Faculty of Chemistry Razi University Kermanshah Iran
| | - Saba Zendehcheshm
- Inorganic Chemistry Department Faculty of Chemistry Razi University Kermanshah Iran
| | - Fatemeh Khademi
- Medical Biology Research Center Health Technology Institute Kermanshah University of Medical Sciences Kermanshah Iran
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15
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Zhang S, Zhou B, Zhou L, Zhou H, Chen F, Yang S, Chen C, Tuo X. Alterations in the conformation and function of human serum albumin induced by the binding of methyl hydrogen phthalate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 278:121335. [PMID: 35526438 DOI: 10.1016/j.saa.2022.121335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/06/2022] [Accepted: 04/28/2022] [Indexed: 06/14/2023]
Abstract
Phthalate esters (PAEs) are widely used as plasticizer components in production. Methyl hydrogen phthalate (MHP) is a metabolite of dimethyl phthalate (DMP, a kind of PAEs), and its toxic residues accumulate in the nature and can enter the human body. Here, the interaction between MHP and human serum albumin (HSA) was probed by using multi-spectral, computer simulations, and biochemical techniques. The results showed that MHP was spontaneously embedded in site I of HSA to form a complex by H-bonds and van der Waals forces (ΔH < 0, ΔS < 0). The binding constant (Ka) of the HSA-MHP system was 1.136 ± 0.026 × 104 M-1 (298 K). The combination of MHP produced conformational variations of HSA, as shown by the 3D fluorescence spectrum, CD spectra, and molecular dynamics simulation. Additionally, molecular docking indicated that MHP was surrounded by multiple residues, such as Lys199, Leu203, Phe206, and Trp214. Specifically, Lys199 and Trp214 exerted a crucial effect on the interaction of HSA and MHP. The residues with important energy contribution were mostly located in site I. The ASA values of the aromatic amino acids of HSA changed after combining with MHP. The Rg and SASA values of HSA increased after adding MHP, suggesting that the structure of HSA was less compact. Moreover, the esterase-like activity of HSA increased after adding MHP to HSA, indicating that MHP may disturb the normal physiological activities in the human body. This study was helpful to understand the biological function of MHP and provided some insights for its side effect in the human body.
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Affiliation(s)
- Siyao Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Bijia Zhou
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Like Zhou
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Hui Zhou
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Fengping Chen
- School of Pharmacy, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Shuling Yang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Chaolan Chen
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Xun Tuo
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, Jiangxi, China.
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16
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Chen F, Zhou L, Zhou B, Zhang S, Ma X, Zhou H, Tuo X. Elucidation on the interaction between transferrin and ascorbic acid: A study based on spectroscopic analysis, molecular docking technology, and antioxidant evaluation. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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17
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Zhou L, Zhou H, Xiao H, Zhang Z, Xiong Z, Tuo X, Guo H. Elucidation on inhibition and binding mechanism of bovine liver catalase by nifedipine: multi-spectroscopic analysis and computer simulation methods. LUMINESCENCE 2022; 37:1547-1556. [PMID: 35816002 DOI: 10.1002/bio.4330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 06/18/2022] [Accepted: 07/07/2022] [Indexed: 11/10/2022]
Abstract
Nifedipine (NDP), a dihydropyridine calcium antagonist, is widely used for the treatment of hypertension and angina pectoris. Catalase is a key antioxidant enzyme that is closely relevant to the level of reactive oxygen species (ROS) in vivo. Here, the research explored the effects of NDP on the conformation and catalytic function of bovine liver catalase (BLC) through enzymatic reaction kinetic techniques, multi-spectroscopic analysis and computer simulation method. Kinetic studies clarified that the NDP debased the activity of BLC by non-competitive inhibition mechanism. Based on the data of trials, it was a static quenching mechanism that functioned in the quenching of intrinsic fluorescence of BLC. The binding constant value was (4.486 ± 0.008) × 104 M-1 (298 K) and BLC had one binding site for NDP. Tyr was prone to be exposed more to a hydrophilic environment in wake of a shift in fluorescence value. The binding reaction of BLC to NDP caused the conformational alteration of BLC, which in turn led to increase of the α-helix and decline of β-sheet contents. Furthermore, several amino acids residues interacted with NDP by means of van der Waals forces, whereas Gln397, Asn368, Gln371, Asn384 and Pro377 formed several Hydrogen Bonds with NDP.
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Affiliation(s)
- Like Zhou
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, China
| | - Hui Zhou
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, China
| | - Huilong Xiao
- School of Pharmacy, Nanchang University, Nanchang, Jiangxi, China
| | - Zihang Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, China
| | - Ziyun Xiong
- School of Pharmacy, Nanchang University, Nanchang, Jiangxi, China
| | - Xun Tuo
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, China
| | - Hui Guo
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, China
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18
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Gu J, Huang X, Ma Y, Sun X. Spectroscopic study on the separate and simultaneous interaction of nicotinic and its metabolite to bovine serum albumin. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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19
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Yang Q, Ai X, Dong J, Yang Y, Zhou S, Liu Y, Xu N. Elimination of Pendimethalin in Integrated Rice and Procambarus clarkii Breeding Models and Dietary Risk Assessments. Foods 2022; 11:foods11091300. [PMID: 35564023 PMCID: PMC9105123 DOI: 10.3390/foods11091300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 11/16/2022] Open
Abstract
This study investigated elimination of the herbicide pendimethalin using an integrated rice and Procambarus clarkii breeding model of indoor and outdoor (pond culture) exposure tests. The pendimethalin levels in 484 samples from the primary rice and P. clarkii integrated breeding areas in Hubei province were monitored, and dietary risk assessments of pendimethalin were calculated. Pendimethalin was quantified using high-performance liquid chromatography tandem mass spectrometry, and detection levels were linear in the range of 1.0 to 10.0 μg/L, and peak areas were positively correlated with concentration, with a correlation coefficient of 0.9996. Recoveries ranged from 86.9 to 103.5%, and the limit of quantitation was 2.5 × 10−4 μg/L in water, and 1 × 10−2 μg/kg in tissues, sediments, and waterweeds. The dissipation rate of pendimethalin in tissues and water followed first-order kinetics, with half-lives of 0.51–5.64 d. In 484 samples taken from aquaculture farms, pendimethalin was detected in 8.67% of the samples at levels in the range of 1.95 to 8.26 μg/kg in Hubei province from 2018 to 2020. The maximum residue limit of pendimethalin in P. clarkii has not been established in China, but our dietary risk assessments indicated that consumption of P. clarkii from integrated rice farms was acceptable.
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Affiliation(s)
- Qiuhong Yang
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; (Q.Y.); (J.D.); (Y.Y.); (S.Z.); (Y.L.); (N.X.)
| | - Xiaohui Ai
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; (Q.Y.); (J.D.); (Y.Y.); (S.Z.); (Y.L.); (N.X.)
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing 100141, China
- Correspondence:
| | - Jing Dong
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; (Q.Y.); (J.D.); (Y.Y.); (S.Z.); (Y.L.); (N.X.)
| | - Yibin Yang
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; (Q.Y.); (J.D.); (Y.Y.); (S.Z.); (Y.L.); (N.X.)
| | - Shun Zhou
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; (Q.Y.); (J.D.); (Y.Y.); (S.Z.); (Y.L.); (N.X.)
| | - Yongtao Liu
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; (Q.Y.); (J.D.); (Y.Y.); (S.Z.); (Y.L.); (N.X.)
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing 100141, China
| | - Ning Xu
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China; (Q.Y.); (J.D.); (Y.Y.); (S.Z.); (Y.L.); (N.X.)
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20
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Zhao Z, Shi T, Chu Y, Cao Y, Cheng S, Na R, Wang Y. Comparison of the interactions of flupyrimin and nitenpyram with serum albumins via multiple analysis methods. CHEMOSPHERE 2022; 289:133139. [PMID: 34863729 DOI: 10.1016/j.chemosphere.2021.133139] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 06/13/2023]
Abstract
Flupyrimin and nitenpyram are emerging neonicotinoid insecticides that may cause potential harm to the human body. In the present work, the interactions of flupyrimin/nitenpyram with serum albumins under normal physiological conditions were thoroughly studied by using multiple spectroscopic techniques, DFT calculations and molecular docking. Flupyrimin/nitenpyram can quench the endogenous fluorescence of HSA/BSA and form a complex with HSA/BSA through a static process, causing conformational and secondary structure changes of HSA/BSA. Thermodynamic analysis shows that the combination of flupyrimin/nitenpyram with HSA/BSA is a spontaneous process, mainly driven by hydrogen bonds and hydrophobic forces. Site marking and molecular docking experiments indicated that flupyrimin/nitenpyram binds with HSA/BSA at site II (subdomain IIIA). The binding constant Ka in HSA-flupyrimin, HSA-nitenpyram, BSA-flupyrimin and BSA-nitenpyram systems at 298 K was 2.11 × 105 M-1, 2.35 × 105 M-1, 1.91 × 105 M-1 and 2.11 × 105 M-1, respectively. The binding constant Ka of nitenpyram with HSA/BSA was greater than flupyrimin, indicating that nitenpyram binds HSA/BSA was more stable than that of flupyrimin, which was consistent with the DFT calculation. In addition, the acute toxicity bioassay showed that flupyrimin and nitenpyram exhibited low toxicity to zebrafish, with 96 h LC50 values of 181.662 and 250.658 mg a. i. L-1, respectively. These results can help understand the interactions of flupyrimin/nitenpyram with HSA/BSA.
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Affiliation(s)
- Zongyuan Zhao
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Taozhong Shi
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Ying Chu
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Yingying Cao
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Shuang Cheng
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Risong Na
- Collaborative Innovation Center of Henan Grain Crops, National Key Laboratory of Wheat and Maize Crop Science, College of Plant Protection, Henan Agricultural University, Wenhua Road No. 95, Zhengzhou, 450002, China
| | - Yi Wang
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China.
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21
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Comprehensive investigation of binding of some polycyclic aromatic hydrocarbons with bovine serum albumin: spectroscopic and molecular docking studies. Bioorg Chem 2022; 120:105656. [DOI: 10.1016/j.bioorg.2022.105656] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/21/2022] [Accepted: 02/02/2022] [Indexed: 01/26/2023]
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22
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Li N, Yang X, Chen F, Zeng G, Zhou L, Li X, Tuo X. Spectroscopic and in silico insight into the interaction between dicofol and human serum albumin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 264:120277. [PMID: 34455384 DOI: 10.1016/j.saa.2021.120277] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/20/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Dicofol, a broad-spectrum acaricide, has garnered considerable attention because of the potential harm to the environment and various organisms. Herein, this study applied spectroscopic and in silico methods to understand the interaction between human serum albumin (HSA) and dicofol. Fluorescence experiments demonstrated that dicofol formed a stable complex and the binding process occurred in Suldow's site I of HSA. Its binding constant was 2.26 × 105 M-1 at 298 K. Van der Waals forces and hydrogen bond were primarily facilitated the interaction between dicofol and HSA (ΔH < 0, ΔS < 0) according to thermodynamic experiments. Additionally, 3D fluorescence and circular dichroism (CD) spectra revealed a few conformational changes in HSA due to dicofol. Molecular docking analysis indicated that dicofol interacted with Ser192, Gln196, Leu481, Arg218, Leu238, and Phe211 via van der Waals forces and formed a hydrogen bond with His242. Molecular dynamics (MD) simulation showed that Lys195 and Arg218 residues contributed greater energy for forming the HSA-dicofol complex. MD simulation analysis also showed that dicofol can affect the HSA structure with a reduction in α-helix. This research is desired to facilitate a new perspective on the toxicity mechanism of dicofol in the human body.
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Affiliation(s)
- Na Li
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Xi Yang
- School of Pharmacy, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Fengping Chen
- School of Pharmacy, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Guofang Zeng
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Like Zhou
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Xiaoke Li
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Xun Tuo
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China.
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23
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Huang Z, Liao L, McClements DJ, Li J, Li R, Zou Y, Li M, Zhou W. Utilizing protein-polyphenol molecular interactions to prepare moringa seed residue protein/tannic acid Pickering stabilizers. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112814] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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24
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Sehrawat H, Kumar N, Sood D, Kumar L, Tomar R, Chandra R. Unraveling the interaction of an opium poppy alkaloid noscapine ionic liquid with human hemoglobin: Biophysical and computational studies. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116710] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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25
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Gu J, Zheng S, Huang X, He Q, Sun T. Exploring the mode of binding between butylated hydroxyanisole with bovine serum albumin: Multispectroscopic and molecular docking study. Food Chem 2021; 357:129771. [PMID: 33894572 DOI: 10.1016/j.foodchem.2021.129771] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 03/23/2021] [Accepted: 04/05/2021] [Indexed: 10/21/2022]
Abstract
Considering the harm of BHA on humans, thorough research of the effect of BHA on the structure of serum albumin is necessary. The binding mechanisms of BHA with bovine serum albumin (BSA) and the effects of other three food additives (butylated hydroxytoluene, benzoic acid and citric acid) on BHA-BSA system were researched by multispectroscopy and molecular docking. The fluorescence quenching experiment results showed that the fluorescence quenching mechanism of BSA by BHA was static quenching. The binding constant ((5.70 ± 0.38) × 103 M-1 at 298 K) and thermodynamic parameters (ΔH = 110.8 ± 2.91 kJ·mol-1 and ΔS = 443.3 ± 9.30 J·mol-1·K-1) indicated that BHA and BSA formed a relatively stable complex through hydrophobic interaction. Three-dimensional fluorescence spectra confirmed the conformation changes of BSA due to the binding of BHA. Site marker competitive experiments and molecular docking proved that BHA could bind BSA into site I in subdomain IIA. The results of molecular docking showed that BHA formed hydrophobic interactions with amino acid residues (Ala290, Leu237, Leu259, Ile263 and Ile289). The presence of other food additives weakened the binding of BHA to BSA.
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Affiliation(s)
- Jiali Gu
- Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, PR China; College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, PR China.
| | - Siyao Zheng
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, PR China
| | - Xiyao Huang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, PR China
| | - Qian He
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, PR China
| | - Ting Sun
- Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, PR China.
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26
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Tu M, Zheng X, Liu P, Wang S, Yan Z, Sun Q, Liu X. Typical organic pollutant-protein interactions studies through spectroscopy, molecular docking and crystallography: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 763:142959. [PMID: 33121791 DOI: 10.1016/j.scitotenv.2020.142959] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 09/29/2020] [Accepted: 10/08/2020] [Indexed: 06/11/2023]
Abstract
With the development of industry and human society, more attention was paid for the toxic effects of organic pollutants that are closely related to human daily life. Previous studies mainly focused on the dose-response relationship and cytotoxic effects of pollutants to organisms,while little research focused on pollutant-protein interactions at molecular level. However, the binding of organic pollutants to biomolecules, especially proteins like transporters, membrane receptor and nuclear receptors, is often the first step of toxic effects. It can make a series of endocrine disrupting and genotoxic effects through cell signaling pathway by binding specific target proteins including serum albumin, thyroid transporter, estrogen receptor, androgen receptor, and aryl hydrocarbon receptor. Thus, the research of interactions between organic pollutants and proteins is helpful and necessary to understand the distribution, metabolism and toxicity mechanism of compounds in organisms at the molecular level. This paper reviewed the latest research progress of the interaction types of persistent organic pollutants (POPs), emerging pollutants and some other pollutants with targeted proteins. In addition, we summarized several main experimental techniques for studying pollutant-protein interactions including ultraviolet/visible absorption spectrometry (UV-vis), fluorescence, infrared spectrometry, circular dichroic spectra (CD), molecular docking and X-ray crystallography. This review contributes to the molecular mechanism of the interaction between organic pollutants and biomolecules.
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Affiliation(s)
- Mengchen Tu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Xin Zheng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Peiyuan Liu
- School of Life Sciences, Tianjin University, Tianjin, 300072, China
| | - Shuping Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Zhenguang Yan
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Qianhang Sun
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; College of Fisheries, Henan Normal University, Xinxiang 453007, China
| | - Xinyu Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
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27
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Varma N, Singh A, Ravi VK, Thakur M, Kumar S. Deltamethrin modulates the native structure of Hen Egg White Lysozyme and induces its aggregation at physiological pH. Colloids Surf B Biointerfaces 2021; 201:111646. [PMID: 33652208 DOI: 10.1016/j.colsurfb.2021.111646] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/26/2021] [Accepted: 02/16/2021] [Indexed: 10/22/2022]
Abstract
Deltamethrin, a type II pyrethroid pesticide was initially considered as safe for human use. Recent studies have reported several pathophysiological effects of deltamethrin on human and non-human species. However, its effect on structure and function of protein leading to progressive neurodegeneration is poorly understood. In present study, we investigated the interaction of deltamethrin with Hen Egg White Lysozyme (HEWL) at physiological pH and tried to understand the effect of pesticide on structure and function of protein. Employing different biophysical techniques, we shown that deltamethrin induces in vitro aggregation of HEWL in concentration dependent manner. Interaction of pesticide with different amino acids, followed by exposure of hydrophobic regions was driving force of aggregation process. Apart from modulating the hydrophobic domain, deltamethrin is observed to reduce α-helical and promote β-sheet content of lysozyme, eventually converting the globular protein into ThT sensitive amyloid fibrils and amorphous aggregates. Our study also indicate that deltamethrin induced aggregation reduces the catalytic activity of lysozyme.
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Affiliation(s)
- Neelakant Varma
- Laboratory of Forensic Biology and Biotechnology, School of Forensic Science, National Forensic Sciences University, Gandhinagar, Gujarat, 382 007, India(1)
| | - Abhishek Singh
- Laboratory of Forensic Biology and Biotechnology, School of Forensic Science, National Forensic Sciences University, Gandhinagar, Gujarat, 382 007, India(1); Zoological Survey of India, New Alipore, Kolkata, West Bengal, 700 053, India
| | - Vijay K Ravi
- Centre for Nanoscience and Nanotechnology, Aryabhatta Knowledge University, Mithapur, Patna, Bihar, 800 001, India
| | - Mukesh Thakur
- Zoological Survey of India, New Alipore, Kolkata, West Bengal, 700 053, India
| | - Satish Kumar
- Laboratory of Forensic Biology and Biotechnology, School of Forensic Science, National Forensic Sciences University, Gandhinagar, Gujarat, 382 007, India(1).
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28
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Zhang H, Deng H, Wang Y. Comprehensive investigations about the binding interaction of acesulfame with human serum albumin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 237:118410. [PMID: 32361316 DOI: 10.1016/j.saa.2020.118410] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/22/2020] [Accepted: 04/22/2020] [Indexed: 06/11/2023]
Abstract
In this work, the binding interaction of an artificial sweetener, acesulfame (ACS) with human serum albumin (HSA) are investigated at the molecular level by using spectral methods and molecular modeling. ACS has the ability to induce static quenching of the intrinsic fluorescence of HSA by a complex formed between HSA and ACS through weak multi-noncovalent forces including hydrophobic, hydrogen bond and van der Waals forces. ACS enters subdomain IIA of HSA to induce the tertiary structure changes of HSA and decreased the hydrophobicity of protein. In addition, ACS binding does not obviously alter the secondary structure of HSA. This study is hoped to provide some crucial information for further investigations of the biosafety of sweetener.
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Affiliation(s)
- Hongmei Zhang
- School of Chemical and Environmental Engineering, Yancheng Teachers University, Yancheng City, Jiangsu Province 224002, People's Republic of China
| | - Hao Deng
- School of Chemical and Environmental Engineering, Yancheng Teachers University, Yancheng City, Jiangsu Province 224002, People's Republic of China
| | - Yanqing Wang
- School of Chemical and Environmental Engineering, Yancheng Teachers University, Yancheng City, Jiangsu Province 224002, People's Republic of China.
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29
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Almutairi FM, Ajmal MR, Siddiqi MK, Majid N, Al-Alawy AIA, Abdelhameed AS, Khan RH. Biophysical insight into the interaction of levocabastine with human serum albumin: spectroscopy and molecular docking approach. J Biomol Struct Dyn 2020; 39:1525-1534. [PMID: 32308140 DOI: 10.1080/07391102.2020.1750486] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Interaction of levocabastine with human serum albumin (HSA) is investigated by applying fluorescence spectroscopy, circular dichroism spectroscopy and molecular docking methods. Levocabastine is an important drug in treatment of allergy and currently a target drug for drug repurposing to treat other diseases like vernal keratoconjuctivitis. Fluorescence quenching data revealed that levocabastine bind weakly to protein with binding constant in the order of 103 M-1. Förster resonance energy transfer results indicated the binding distance of 2.28 nm for levocabastine. Synchronous fluorescence result suggest slight blue shift for tryptophan upon levocabastine binding, binding of levocabastine impelled rise in α-helical structure in protein, while there are minimal changes in tertiary structure in protein. Moreover, docking results indicate levocabastine binds to pocket near to the drug site-I in HSA via hydrogen bonding and hydrophobic interactions. Understanding the interaction of levocabastine with HSA is significant for the advancement of therapeutic and diagnostic strategies for optimal treatment results.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Fahad M Almutairi
- Biochemistry Department, Faculty of Science, Physical Biochemistry Research Laboratory, University of Tabuk, Tabuk, Saudi Arabia
| | - Mohammad Rehan Ajmal
- Biochemistry Department, Faculty of Science, Physical Biochemistry Research Laboratory, University of Tabuk, Tabuk, Saudi Arabia
| | | | - Nabeela Majid
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
| | - Adel Ibrahim Ahmad Al-Alawy
- Biochemistry Department, Faculty of Science, Physical Biochemistry Research Laboratory, University of Tabuk, Tabuk, Saudi Arabia
| | - Ali Saber Abdelhameed
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Rizwan Hasan Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
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Sarmah S, Pahari S, Das S, Belwal VK, Jana M, Singha Roy A. Non-enzymatic glycation of human serum albumin modulates its binding efficacy towards bioactive flavonoid chrysin: A detailed study using multi-spectroscopic and computational methods. J Biomol Struct Dyn 2020; 39:476-492. [PMID: 31900044 DOI: 10.1080/07391102.2019.1711196] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The non-enzymatic glycation of plasma proteins by reducing sugars have important consequences on the conformational and functional properties of protein. The formation of advanced glycation end products (AGEs) is responsible for cell death and other pathological conditions. We have synthesized the glycated human serum albumin (gHSA) and characterized the same by using differential spectroscopic measurements. The aim of the present study is to determine the effect of glycation on the binding of human serum albumin (HSA) with bioactive flavonoid chrysin, which possesses anti-cancer, anti-inflammatory and anti-oxidant activities. The interaction of chrysin with HSA and gHSA was studied using multi-spectroscopic, molecular docking and molecular dynamics (MD) simulation techniques. Chrysin quenched the intrinsic fluorescence of both HSA and gHSA by static quenching mechanism. The value of the binding constant (Kb) for the interaction of HSA-chrysin complex (4.779 ± 0.623 × 105 M-1 at 300 K) was found to be higher than that of gHSA-chrysin complex (2.206 ± 0.234 × 105 M-1 at 300 K). Hence, non-enzymatic glycation of HSA significantly reduced its binding affinity towards chrysin. The % α-helicity of HSA was found to get enhanced upon binding with chrysin, and minimal changes were observed for the gHSA-chrysin complex. Site marker probe studies indicated that chrysin binds to subdomain IIA and IIIA of both HSA and gHSA. The results from molecular docking and MD simulation studies correlated well with the experimental findings. Electrostatic interactions followed by hydrogen bonding and hydrophobic interactions played major roles in the binding process. These observations may have some useful insights into the field of pharmaceutics.
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Affiliation(s)
- Sharat Sarmah
- Department of Chemistry, National Institute of Technology, Meghalaya, Shillong, India
| | - Somdev Pahari
- Molecular Simulation Laboratory, Department of Chemistry, National Institute of Technology, Rourkela, India
| | - Sourav Das
- Department of Chemistry, National Institute of Technology, Meghalaya, Shillong, India
| | - Vinay Kumar Belwal
- Department of Bioscience and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
| | - Madhurima Jana
- Molecular Simulation Laboratory, Department of Chemistry, National Institute of Technology, Rourkela, India
| | - Atanu Singha Roy
- Department of Chemistry, National Institute of Technology, Meghalaya, Shillong, India
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