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Zhao X, Yang C, Liu W, Lu K, Yin H. Inhibition of insulin fibrillation by carboxyphenylboronic acid-modified chitosan oligosaccharide based on electrostatic interactions and hydrophobic interactions. Biophys Chem 2024; 310:107236. [PMID: 38615538 DOI: 10.1016/j.bpc.2024.107236] [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: 02/04/2024] [Revised: 03/25/2024] [Accepted: 04/06/2024] [Indexed: 04/16/2024]
Abstract
A novel inhibitor, carboxyphenylboronic acid-modified chitosan oligosaccharide (COS-CPBA), was developed by coupling carboxyphenylboronic acid (CPBA) with chitosan oligosaccharide (COS) to inhibit insulin fibrillation. Extensive biophysical assays indicated that COS-CPBA could decelerate insulin aggregation, hinder the conformational transition from α-helix to β-sheet structure, change the morphology of insulin aggregates and alter fibrillation pathway. A mechanism for the inhibition of insulin fibrillation by COS-CPBA was proposed. It considers that insulin molecules bind to COS-CPBA via hydrophobic interactions, while the positively charged groups in COS-CPBA exert electrostatic repulsion on the bound insulin molecules. These two opposite forces cause the insulin molecules to display extended conformations and hinder the conformational transition of insulin from α-helix to β-sheet structure necessary for fibrillation, thus decelerating aggregation and altering the fibrillation pathway of insulin. The studies provide novel ideas for the development of more effective inhibitors of amyloid fibrillation.
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Affiliation(s)
- Xiangyuan Zhao
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
| | - Chunyan Yang
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China; National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Hebei University of Technology, Tianjin 300401, China.
| | - Wei Liu
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China; Tianjin Key Laboratory of Chemical Process Safety, Hebei University of Technology, Tianjin 300401, China
| | - Ke Lu
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
| | - Hao Yin
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
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Sabzi Dizajyekan B, Jafari A, Vafaie-Sefti M, Saber R, Fakhroueian Z. Preparation of stable colloidal dispersion of surface modified Fe 3O 4 nanoparticles for magnetic heating applications. Sci Rep 2024; 14:1296. [PMID: 38221547 PMCID: PMC10788351 DOI: 10.1038/s41598-024-51801-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 01/09/2024] [Indexed: 01/16/2024] Open
Abstract
The effect of surface modification on enhancing the magnetic heating behavior of magnetic nano fluids were investigated, for this purpose Fe3O4 nanoparticles were synthesized using co-precipitation method and surface modification was done using citric acid, ascorbic acid, tetraethyl orthosilicate (TEOS), polyvinyl alcohol (PVA) and polyethylene glycol (PEG). Experimental heating tests using AC magnetic field were done in the frequency of 100 kHz and different magnetic field (H) intensities. Theoretically the specific absorption rate (SAR) in magnetic nano fluids is independent of nanoparticles concentration but the experimental results showed different behavior. The theoretical SAR value @ H = 12kA.m-1 for Nano fluids containing bare Fe3O4 nanoparticles was 11.5 W/g but in experimental tests the obtained value was 9.72 W/g for nano fluid containing 20,000 ppm of dispersed nanoparticles. The experimental SAR calculation was repeated for sample containing 10,000 ppm of nanoparticles and the results showed increase in experimental SAR that is an evidence of nanoparticles agglomeration in higher concentrations. The surface modification has improved the dispersion ability of the nanoparticles. The Ratio of SAR, experimental, 20000ppm to SAR, experimental, 10000ppm was 0.85 for bare Fe3O4 nanoparticles dispersion but in case of surface modified nanoparticles this ratio has increased up to 0.98 that shows lower agglomeration of nanoparticles as a result of surface modification, although on the other hand the surface modification agents were magnetically passive and so it is expected that in constant concentration the SAR for bare Fe3O4 nanoparticles to be higher than this variable for surface modified nanoparticles. At lower concentrations the dispersions containing bare Fe3O4 nanoparticles showed higher SAR values but at higher concentrations the surface modified Fe3O4 nanoparticles showed better results although the active agent amount was lower at them. Finally, it should be noted that the nanoparticles that were surface modified using polymeric agents showed the highest decrease in experimental SAR amounts comparing theoretical results that was because of the large molecules of polymers comparing other implemented surface modification agents.
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Affiliation(s)
| | - Arezou Jafari
- Chemical Engineering Faculty, Tarbiat Modares University, Tehran, Iran.
| | | | - Reza Saber
- Advanced Medical Technologies and Equipment Institute, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Zahra Fakhroueian
- School of Chemical Engineering, College of Engineering, IPE, University of Tehran, P. O. Box 11155‑4563, Tehran, Iran
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Peptide Inhibitors of Insulin Fibrillation: Current and Future Challenges. Int J Mol Sci 2023; 24:ijms24021306. [PMID: 36674821 PMCID: PMC9863703 DOI: 10.3390/ijms24021306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/06/2023] [Accepted: 01/07/2023] [Indexed: 01/12/2023] Open
Abstract
Amyloidoses include a large variety of local and systemic diseases that share the common feature of protein unfolding or refolding into amyloid fibrils. The most studied amyloids are those directly involved in neurodegenerative diseases, while others, such as those formed by insulin, are surprisingly far less studied. Insulin is a very important polypeptide that plays a variety of biological roles and, first and foremost, is at the basis of the therapy of diabetic patients. It is well-known that it can form fibrils at the site of injection, leading to inflammation and immune response, in addition to other side effects. In this concise review, we analyze the current knowledge on insulin fibrillation, with a focus on the development of peptide-based inhibitors, which are promising candidates for their biocompatibility but still pose challenges to their effective use in therapy.
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Effects of Amino Acid-Functionalized Silver Nanoparticles on Lysozyme Amyloid Fibrillogenesis. Colloids Surf B Biointerfaces 2023. [DOI: 10.1016/j.colsurfb.2023.113144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Sarimov RM, Nagaev EI, Matveyeva TA, Binhi VN, Burmistrov DE, Serov DA, Astashev ME, Simakin AV, Uvarov OV, Khabatova VV, Akopdzhanov AG, Schimanowskii NL, Gudkov SV. Investigation of Aggregation and Disaggregation of Self-Assembling Nano-Sized Clusters Consisting of Individual Iron Oxide Nanoparticles upon Interaction with HEWL Protein Molecules. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12223960. [PMID: 36432246 PMCID: PMC9696017 DOI: 10.3390/nano12223960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/25/2022] [Accepted: 11/08/2022] [Indexed: 05/02/2023]
Abstract
In this paper, iron oxide nanoparticles coated with trisodium citrate were obtained. Nanoparticles self-assembling stable clusters were ~10 and 50-80 nm in size, consisting of NPs 3 nm in size. The stability was controlled by using multi-angle dynamic light scattering and the zeta potential, which was -32 ± 2 mV. Clusters from TSC-IONPs can be destroyed when interacting with a hen egg-white lysozyme. After the destruction of the nanoparticles and proteins, aggregates are formed quickly, within 5-10 min. Their sizes depend on the concentration of the lysozyme and nanoparticles and can reach micron sizes. It is shown that individual protein molecules can be isolated from the formed aggregates under shaking. Such aggregation was observed by several methods: multi-angle dynamic light scattering, optical absorption, fluorescence spectroscopy, TEM, and optical microscopy. It is important to note that the concentrations of NPs at which the protein aggregation took place were also toxic to cells. There was a sharp decrease in the survival of mouse fibroblasts (Fe concentration ~75-100 μM), while the ratio of apoptotic to all dead cells increased. Additionally, at low concentrations of NPs, an increase in cell size was observed.
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Affiliation(s)
- Ruslan M. Sarimov
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
- Correspondence:
| | - Egor I. Nagaev
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Tatiana A. Matveyeva
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Vladimir N. Binhi
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Dmitriy E. Burmistrov
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Dmitriy A. Serov
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Maxim E. Astashev
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Alexander V. Simakin
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Oleg V. Uvarov
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Venera V. Khabatova
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
| | - Arthur G. Akopdzhanov
- Russian National Pirogov Research Medical University, ul. Ostrovityanova 1, 117997 Moscow, Russia
| | - Nicolai L. Schimanowskii
- Russian National Pirogov Research Medical University, ul. Ostrovityanova 1, 117997 Moscow, Russia
| | - Sergey V. Gudkov
- Prokhorov General Physics Institute of the Russian Academy of Sciences (GPI RAS), 119991 Moscow, Russia
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Chen Y, Liu Q, Yang F, Yu H, Xie Y, Yao W. Lysozyme amyloid fibril: Regulation, application, hazard analysis, and future perspectives. Int J Biol Macromol 2022; 200:151-161. [PMID: 34995654 DOI: 10.1016/j.ijbiomac.2021.12.163] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/15/2021] [Accepted: 12/25/2021] [Indexed: 12/11/2022]
Abstract
Self-assembly of misfolded proteins into ordered fibrillar aggregates known as amyloid results in various human diseases. However, more and more proteins, whether in human body or in food, have been found to be able to form amyloid fibrils with in-depth researches. As a model protein for amyloid research, lysozyme has always been the focus of research in various fields. Firstly, the formation mechanisms of amyloid fibrils are discussed concisely. Researches on the regulation of lysozyme amyloid fibrils are helpful to find suitable therapeutic drugs and unfriendly substances. And this review article summarizes a number of exogenous substances including small molecules, nanoparticles, macromolecules, and polymers. Small molecules are mainly connected to lysozyme through hydrophobic interaction, electrostatic interaction, π-π interaction, van der Waals force and hydrogen bond. Nanoparticles inhibit the formation of amyloid fibers by stabilizing lysozyme and fixing β-sheet. Besides, the applications of lysozyme amyloid fibrils in food-related fields are considered furtherly due to outstanding physical and mechanical properties. Nevertheless, the potential health threats are still worthy of our attention. Finally, we also give suggestions and opinions on the future research direction of lysozyme amyloid fibrils.
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Affiliation(s)
- Yulun Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, No.235 Daxue West Road, Hohhot 010021, Inner Mongolia Autonomous Region, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Joint International Research Laboratory of Food Safety, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China
| | - Qingrun Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Joint International Research Laboratory of Food Safety, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China
| | - Fangwei Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, No.235 Daxue West Road, Hohhot 010021, Inner Mongolia Autonomous Region, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Joint International Research Laboratory of Food Safety, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China
| | - Hang Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Joint International Research Laboratory of Food Safety, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, No.235 Daxue West Road, Hohhot 010021, Inner Mongolia Autonomous Region, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Joint International Research Laboratory of Food Safety, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China
| | - Weirong Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China; Joint International Research Laboratory of Food Safety, Jiangnan University, No.1800 Lihu Avenue, Wuxi 214122, Jiangsu Province, China.
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Rananaware P, Pandit P, Naik S, Mishra M, Keri RS, Brahmkhatri VP. Anti-amyloidogenic property of gold nanoparticle decorated quercetin polymer nanorods in pH and temperature induced aggregation of lysozyme. RSC Adv 2022; 12:23661-23674. [PMID: 36090438 PMCID: PMC9389553 DOI: 10.1039/d2ra03121c] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/11/2022] [Indexed: 11/30/2022] Open
Abstract
Quercetin is an abundant plant polyphenol effective against several diseases due to its antioxidant and anti-inflammatory activity. Herein, we report novel polymeric quercetin nanorods and the former decorated with gold nanoparticles for the first time. The prepared conjugates quercetin-polyvinylpyrrolidone (Q-PVP) and quercetin-polyvinylpyrrolidone-gold nanoparticles (Q-PVP-Au) were characterized by UV-visible spectroscopy, Fourier transform infrared, dynamic light scattering, and zeta potential measurements. The surface morphology of conjugates was analyzed by field emission scanning electron microscopy. These conjugates exhibit harmonized rod-like morphology with a narrow size distribution. Furthermore, the quercetin conjugates with nanorod morphology exhibited enhanced and prolonged drug release over a long period. The synthesized conjugates were investigated for lysozyme aggregation kinetics. ThT binding assay, fibril size measurement, and electron microscopy results revealed that conjugates could suppress fibrillogenesis in lysozyme. The highest amyloid aggregation inhibition activity (IC50) was obtained against Q-PVP and Q-PVP-Au at 32 μg mL−1 and 30 μg mL−1 respectively. The amyloid aggregate disintegration activity (DC50) obtained against Q-PVP and Q-PVP-Au was 27 μg mL−1 and 29 μg mL−1 respectively. The present quercetin conjugates exhibit enhanced bioavailability and stability. They were potent inhibitors of lysozyme aggregation that may find applications as a therapeutic agent in neurological diseases like Alzheimer's and Parkinson's. Q-PVP, and Q-PVP-Au conjugates for inhibition of HEWL aggregation.![]()
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Affiliation(s)
- Pranita Rananaware
- Nanomaterials for Drug Delivery and Therapeutics (NDT-Lab), Centre for Nano and Material Science, Jain University, Jain Global Campus, Bengaluru 562112, Karnataka, India
| | - Parimal Pandit
- Nanomaterials for Drug Delivery and Therapeutics (NDT-Lab), Centre for Nano and Material Science, Jain University, Jain Global Campus, Bengaluru 562112, Karnataka, India
| | - Seekha Naik
- Neural Developmental Biology Lab, Department of Life Science NIT Rourkela, Rourkela, Odisha, 769008, India
| | - Monalisa Mishra
- Neural Developmental Biology Lab, Department of Life Science NIT Rourkela, Rourkela, Odisha, 769008, India
| | - Rangappa S. Keri
- Nanomaterials for Drug Delivery and Therapeutics (NDT-Lab), Centre for Nano and Material Science, Jain University, Jain Global Campus, Bengaluru 562112, Karnataka, India
| | - Varsha P. Brahmkhatri
- Nanomaterials for Drug Delivery and Therapeutics (NDT-Lab), Centre for Nano and Material Science, Jain University, Jain Global Campus, Bengaluru 562112, Karnataka, India
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