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Siddiqui GA, Naeem A. Bioflavonoids ameliorate crowding induced hemoglobin aggregation: a spectroscopic and molecular docking approach. J Biomol Struct Dyn 2023; 41:10315-10325. [PMID: 36519442 DOI: 10.1080/07391102.2022.2154270] [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: 09/23/2022] [Accepted: 11/26/2022] [Indexed: 12/23/2022]
Abstract
The cellular environment is densely crowded, confining biomacromolecules including proteins to less available space. This macromolecular confinement may affect the physiological conformation of proteins in long-term processes like ageing. Changes in physiological protein structure can lead to protein conformational disorders including neurodegeneration. An intervention approach using food and plant derived bioflavonoids offered a way to find a treatment for these enervating pathological conditions as there is no remedy available. The bioflavonoids NAR (naringenin), 7HD (7 hydroxyflavanone) and CHR (chrysin) were tested for their ability to protect Hb (hemoglobin) against crowding-induced aggregation. Morphological and secondary structural transitions were studied using microscopic and circular dichroism experiments, respectively. The kinetic study was carried out using the relative thioflavin T assay. Molecular docking, AmylPred2, admetSAR and FRET were applied to understand the binding parameters of bioflavonoids with Hb and their drug likeliness. Isolated human lymphocytes were used as a cellular system to study the toxic effects of Hb aggregates. Redox perturbation and cytotoxicity were evaluated by DCFH-DA and MTT assays, respectively. This study suggests that bioflavonoids bind to Hb in the vicinity of aggregation prone amino acid sequences. Binding of the bioflavonoids stabilizes the Hb against crowding-induced structural alterations. Therefore, this study signifies the potential of bioflavonoids for future treatment of many proteopathies including neurodegeneration.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Gufran Ahmed Siddiqui
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, India
| | - Aabgeena Naeem
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, India
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Mahanthappa M, Savanur MA, Ramu J, Tatagar A. Elucidating the significance of molecular interaction between sulphur doped zinc oxide nanoparticles and serum albumin using multispectroscopic approach. J Mol Recognit 2023; 36:e3054. [PMID: 37696651 DOI: 10.1002/jmr.3054] [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: 04/06/2023] [Revised: 07/14/2023] [Accepted: 08/08/2023] [Indexed: 09/13/2023]
Abstract
Ingenious nanomaterials with improved biocompatibility and multifunctional properties are gaining vital significance in biomedical applications, including advanced drug delivery and nanotheranostics. In a biological system, these nanoparticles interact with serum proteins forming a dynamic corona that affects their biological or toxicological properties producing undesirable effects. Thus, the current study focuses on the synthesis of sulphur-doped zinc oxide nanoparticles (ZnO/S NPs) and characterizing their mechanism of interaction with serum proteins using multispectroscopic approach. ZnO/S NPs were synthesized by employing a co-precipitation approach and characterized using various analytical techniques. The results of interaction studies demonstrated that ZnO/S NPs interact with serum albumins via the static quenching process. Analysis of thermodynamic parameters (ΔG, ΔH and ΔS) revealed that the binding process is spontaneous, exothermic and van der Waals force or hydrogen bonding plays a major role. The interaction of ZnO/S NPs with tyrosine residue in bovine serum albumin was established by synchronous fluorescence spectroscopy. In addition, the results of UV-visible, circular dichroism, Fourier transform infrared, Forster's resonance energy transfer theory and dynamic light scattering spectroscopic studies revealed that the ZnO/S NPs interact with albumin by inducing the conformational changes in secondary structure and reducing the α-helix content.
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Affiliation(s)
- Mallappa Mahanthappa
- Department of Chemistry, School of Applied Sciences, REVA University, Bangalore, India
| | - Mohammed Azharuddin Savanur
- Department of Immunology, MIGAL-Galilee Research Institute, Kiryat Shmona, Israel
- Department of Biochemistry, Indian Institute of Science, Bangalore, India
| | - Jagadish Ramu
- Department of Chemistry, Maharani's Science College for Women, Mysore, India
- Department of Chemistry, Government First Grade College, Chikkaballapur, India
| | - Asma Tatagar
- Department of Chemistry, SDM College of Engineering and Technology, Dharwad, India
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Patel CK, Singh S, Saini B, Mukherjee TK. Macromolecular Crowding-Induced Unusual Liquid-Liquid Phase Separation of Human Serum Albumin via Soft Protein-Protein Interactions. J Phys Chem Lett 2022; 13:3636-3644. [PMID: 35435684 DOI: 10.1021/acs.jpclett.2c00307] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Macromolecular crowding has a profound impact on the conformational dynamics and intermolecular interactions of biological macromolecules. In this context, the role of inert synthetic crowders in the protein-protein interactions of globular proteins is poorly understood. Here, using native human serum albumin (HSA) under physiological conditions, we show that macromolecular crowding induces liquid-liquid phase separation (LLPS) via liquid-like membrane-less droplet formation in a concentration- and time-dependent manner. Circular dichroism measurements reveal significant alteration in the secondary structure of HSA inside the droplet during aging. In contrast, at a high protein concentration, a liquid-to-solid-like phase transition has been observed upon maturation. Our findings reveal that the LLPS of HSA is mainly driven by enthalpically controlled intermolecular protein-protein interactions via hydrophobic contacts involving aromatic and/or nonaromatic residues. Moreover, modulation of LLPS of HSA has been demonstrated upon denaturation and ligand binding. This study highlights the importance of soft protein-protein interactions of globular proteins in a crowded cellular environment in driving the LLPS.
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Affiliation(s)
- Chinmaya Kumar Patel
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, Simrol, Madhya Pradesh, India
| | - Shivendra Singh
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, Simrol, Madhya Pradesh, India
| | - Bhawna Saini
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, Simrol, Madhya Pradesh, India
| | - Tushar Kanti Mukherjee
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, Simrol, Madhya Pradesh, India
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Ishtikhar M, Siddiqui Z, Ahmad A, Ashraf JM, Arshad M, Doctor N, Al-Kheraif AA, Zamzami MA, Al-Thawadi SM, Kim J, Khan RH. Phytochemical thymoquinone prevents hemoglobin glycoxidation and protofibrils formation: A biophysical aspect. Int J Biol Macromol 2021; 190:508-519. [PMID: 34481855 DOI: 10.1016/j.ijbiomac.2021.08.202] [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: 01/17/2021] [Revised: 07/16/2021] [Accepted: 08/27/2021] [Indexed: 11/30/2022]
Abstract
d-ribose, a reducing sugar, in diabetic hyperglycemia provokes non-enzymatic glycoxidation of hemoglobin (Hb), an abundant protein of red blood cells (RBCs). Different types of intermediates adduct formation occur during glycoxidation, such as advanced glycation end-products (AGEs) which lead to amyloid formation due to structural and conformational alterations in protein. Therefore, the study of these intermediate adducts plays a pivotal role to discern their relationship with diabetes mellitus and related disorders. Here, we investigated the interaction mechanism of d-ribose with Hb, and Hb prebound phytochemical thymoquinone (TQ). Our investigation reveals that the interaction of TQ with histidine residues of Hb interferes with the interaction of d-ribose with glycine residues at the glycation-site. Based on that, we had performed a time-based (21-days) in-vitro glycoxidation study at 37 °C to investigate the structural perturbation mechanism of Hb at different time-intervals in absence/presence of TQ. We found that prolonged glycoxidation induces amyloid formation in absence of TQ but in its presence, the process was prohibited. In summary, this study examined and characterized biophysically different intermediate-states of protein carrying glycoxidation-modification. Our findings suggested that TQ potentially affects interaction of d-ribose with Hb that prevents glycoxidation and protofibril formation, which establishes TQ as a potential therapeutic agent.
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Affiliation(s)
- Mohd Ishtikhar
- Department of Chemistry, Indian Institute of Technology-Bombay, Mumbai 400076, India.
| | - Zeba Siddiqui
- Department of Biosciences, Integral University, Lucknow 226026, India
| | - Abrar Ahmad
- Department of Biochemistry, Faculty of Sciences, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia
| | - Jalaluddin Mohammad Ashraf
- Department of Medical Laboratory Technology, Applied Medical Sciences, Jazan University, Jazan 45142, Saudi Arabia
| | - Mohammed Arshad
- Dental Biomaterials Research Chair, Dental Health Department, College of Applied Medical Sciences, King Saud University, P. O. Box: 10219, Riyadh 11433, Saudi Arabia
| | - Ninad Doctor
- Department of Chemistry, East Carolina University, NC 27834-4354, USA
| | - Abdulaziz A Al-Kheraif
- Dental Biomaterials Research Chair, Dental Health Department, College of Applied Medical Sciences, King Saud University, P. O. Box: 10219, Riyadh 11433, Saudi Arabia
| | - Mazin A Zamzami
- Department of Biochemistry, Faculty of Sciences, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia
| | | | - Jihoe Kim
- Department of Medical Biotechnology and Reasech Institute of Cell Culture, YeungNam University, Gyeongsan 38541, Korea
| | - Rizwan Hassan Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, India
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Preisz Z, Kunsági-Máté S. Effect of methotrexate and its photodegradation products on the temperature induced denaturation of human serum albumin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 245:118905. [PMID: 32927299 DOI: 10.1016/j.saa.2020.118905] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 08/25/2020] [Accepted: 08/29/2020] [Indexed: 06/11/2023]
Abstract
Effect of the photodegradation of chemotherapeutic agent methotrexate on the denaturation of human serum albumin has been studied by differential scanning calorimetry and fluorimetric measurements. Photoluminescence studies highlighted entropy driven binding of both methotrexate molecules and its degradation products to the albumin molecules. The calorimetric measurements evaluated by the Kissinger method show elevated activation energy in the presence of methotrexate. Similar but moderated enhancement of the activation energy was obtained in the presence of the photodegradation products of methotrexate. These results highlight stabilization of the human serum albumin by the methotrexate drug which finding may contribute to fine tuning of methotrexate applications in therapy.
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Affiliation(s)
- Zsolt Preisz
- Department of General and Physical Chemistry, Faculty of Sciences, University of Pécs, Ifjúság 6, H-7624 Pécs, Hungary; Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary.
| | - Sándor Kunsági-Máté
- Department of General and Physical Chemistry, Faculty of Sciences, University of Pécs, Ifjúság 6, H-7624 Pécs, Hungary; Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; JánosSzentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary.
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Khan Z, Al-Thabaiti SA. Interaction of CTAB capped gold@iron bimetallic nanomaterials with bovine serum albumin: A multi-technique approach. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Ishtikhar M, Siddiqui Z, Husain FM, Khan RA, Hassan I. Comparative refolding of guanidinium hydrochloride denatured bovine serum albumin assisted by cationic and anionic surfactants via artificial chaperone protocol: Biophysical insight. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 225:117510. [PMID: 31520999 DOI: 10.1016/j.saa.2019.117510] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/28/2019] [Accepted: 09/03/2019] [Indexed: 06/10/2023]
Abstract
In the present study, we report the cooperative refolding/renaturation behaviour of guanidinium hydrochloride (GdnHCl) denatured bovine serum albumin (BSA) in the presence of cationic surfactant cetyltrimethylammonium bromide (CTAB), anionic surfactant sodium dodecyl sulphate (SDS) and their catanionic mixture in the solution of 60 mM sodium phosphate buffer of physiological pH 7.4, using artificial chaperone-assisted two-step method. Here, we have employed biophysical techniques to characterize the refolding mechanism of denatured BSA after 200 times of dilution in the presence of cationic, anionic surfactants and their catanionic mixture, separately. We have found that minimum refolding of diluted BSA in the presence of 1:1 rational mixture of CTAB and SDS (CTAB/SDS = 50/50), it may be due to the micelles formation which is responsible for the unordered microstructure aggregate formation. Other mixtures (CTAB/SDS = 20/80 and 80/20) slightly played an effective role during refolding process in the presence of methyl-β-cyclodextrin. On other hand, CTAB and SDS are more effective and reflect a good renaturation tendency of denatured BSA solution separately and in existence of methyl-β-cyclodextrin as compare to their mixture compositions. But overall, CTAB has the better renaturation tendency as compare to SDS in the existence of methyl-β-cyclodextrin. These results ascribed the presence of charge head group and length of hydrophobic tail of CTAB surfactant that plays an important task during electrostatic and hydrophobic interactions at pH 7.4 at which BSA carries negative charge on their surface. These biophysical parameters suggest that, CTAB surfactant assisted artificial chaperone protocol may be utilized in the protein renaturation/refolding studies, which may address the associated problems of biotechnological industries for the development of efficient and inexpensive folding aides, which may also be used to produced genetically engineered cells related diseases, resulting from protein misfolding/aggregation.
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Affiliation(s)
- Mohd Ishtikhar
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
| | - Zeba Siddiqui
- Department of Biosciences, Integral University, Lucknow 226026, India
| | - Fohad Mabood Husain
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, 2460, Riyadh 11451, Saudi Arabia
| | - Rais Ahmad Khan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Iftekhar Hassan
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Perween S, Abidi M, Faizy AF, Moinuddin. Post-translational modifications on glycated plasma fibrinogen: A physicochemical insight. Int J Biol Macromol 2019; 126:1201-1212. [DOI: 10.1016/j.ijbiomac.2019.01.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 12/11/2018] [Accepted: 01/04/2019] [Indexed: 12/29/2022]
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Siddiqui Z, Ishtikhar M, Moinuddin, Ahmad S. d-Ribose induced glycoxidative insult to hemoglobin protein: An approach to spot its structural perturbations. Int J Biol Macromol 2018; 112:134-147. [DOI: 10.1016/j.ijbiomac.2018.01.161] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 01/16/2018] [Accepted: 01/24/2018] [Indexed: 12/21/2022]
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Siddiqui GA, Naeem A. Aggregation of globular protein as a consequences of macromolecular crowding: A time and concentration dependent study. Int J Biol Macromol 2018; 108:360-366. [DOI: 10.1016/j.ijbiomac.2017.12.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 11/30/2017] [Accepted: 12/01/2017] [Indexed: 12/11/2022]
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Zhang H, Wang Y, Zhu H, Fei Z, Cao J. Binding mechanism of triclocarban with human serum albumin: Effect on the conformation and activity of the model transport protein. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.10.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Sen S, Chakraborty M, Goley S, Dasgupta S, DasGupta S. Fibrillar disruption by AC electric field induced oscillation: A case study with human serum albumin. Biophys Chem 2017; 226:23-33. [DOI: 10.1016/j.bpc.2017.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 04/07/2017] [Accepted: 04/12/2017] [Indexed: 11/25/2022]
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Ishtikhar M, Rahisuddin, Khan MV, Khan RH. Anti-aggregation property of thymoquinone induced by copper-nanoparticles: A biophysical approach. Int J Biol Macromol 2016; 93:1174-1182. [DOI: 10.1016/j.ijbiomac.2016.09.089] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 09/24/2016] [Accepted: 09/26/2016] [Indexed: 12/14/2022]
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Wang Y, Wu P, Zhou X, Zhang H, Qiu L, Cao J. Exploring the interaction between picoplatin and human serum albumin: The effects on protein structure and activity. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 162:611-618. [DOI: 10.1016/j.jphotobiol.2016.07.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 07/22/2016] [Accepted: 07/23/2016] [Indexed: 12/19/2022]
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