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Kruszewska N, Mazurkiewicz A, Szala G, Słomion M. Characterization of Synovial Fluid Components: Albumin-Chondroitin Sulfate Interactions Seen through Molecular Dynamics. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6935. [PMID: 36234275 PMCID: PMC9572199 DOI: 10.3390/ma15196935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/28/2022] [Accepted: 10/01/2022] [Indexed: 06/16/2023]
Abstract
The friction coefficient of articular cartilage (AC) is very low. A method of producing tailor-made materials with even similar lubrication properties is still a challenge. The physicochemical reasons for such excellent lubrication properties of AC are still not fully explained; however, a crucial factor seems to be synergy between synovial fluid (SF) components. As a stepping stone to being able to produce innovative materials characterized by a very low friction coefficient, we studied the interactions between two important components of SF: human serum albumin (HSA) and chondroitin sulfate (CS). The molecular dynamics method, preceded by docking, is used in the study. Interactions of HSA with two types of CS (IV and VI), with the addition of three types of ions often found in physiological solutions: Ca2+, Na+, and Mg2+, are compared. It was found that there were differences in the energy of binding values and interaction maps between CS-4 and CS-6 complexes. HSA:CS-4 complexes were bound stronger than in the case of HSA:CS-6 because more interactions were formed across all types of interactions except one-the only difference was for ionic bridges, which were more often found in HSA:CS-6 complexes. RMSD and RMSF indicated that complexes HSA:CS-4 behave much more stably than HSA:CS-6. The type of ions added to the solution was also very important and changed the interaction map. However, the biggest difference was caused by the addition of Ca2+ ions which were prone to form ionic bridges.
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Affiliation(s)
- Natalia Kruszewska
- Institute of Mathematics and Physics, Bydgoszcz University of Science and Technology, Kaliskiego 7 Street, 85-796 Bydgoszcz, Poland
| | - Adam Mazurkiewicz
- Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, Kaliskiego 7 Street, 85-796 Bydgoszcz, Poland
| | - Grzegorz Szala
- Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, Kaliskiego 7 Street, 85-796 Bydgoszcz, Poland
| | - Małgorzata Słomion
- Faculty of Management, Bydgoszcz University of Science and Technology, Kaliskiego 7 Street, 85-796 Bydgoszcz, Poland
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Bełdowski P, Przybyłek M, Raczyński P, Dedinaite A, Górny K, Wieland F, Dendzik Z, Sionkowska A, Claesson PM. Albumin-Hyaluronan Interactions: Influence of Ionic Composition Probed by Molecular Dynamics. Int J Mol Sci 2021; 22:ijms222212360. [PMID: 34830249 PMCID: PMC8625520 DOI: 10.3390/ijms222212360] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 10/28/2021] [Accepted: 11/10/2021] [Indexed: 12/15/2022] Open
Abstract
The lubrication mechanism in synovial fluid and joints is not yet fully understood. Nevertheless, intermolecular interactions between various neutral and ionic species including large macromolecular systems and simple inorganic ions are the key to understanding the excellent lubrication performance. An important tool for characterizing the intermolecular forces and their structural consequences is molecular dynamics. Albumin is one of the major components in synovial fluid. Its electrostatic properties, including the ability to form molecular complexes, are closely related to pH, solvation, and the presence of ions. In the context of synovial fluid, it is relevant to describe the possible interactions between albumin and hyaluronate, taking into account solution composition effects. In this study, the influence of Na+, Mg2+, and Ca2+ ions on human serum albumin–hyaluronan interactions were examined using molecular dynamics tools. It was established that the presence of divalent cations, and especially Ca2+, contributes mostly to the increase of the affinity between hyaluronan and albumin, which is associated with charge compensation in negatively charged hyaluronan and albumin. Furthermore, the most probable binding sites were structurally and energetically characterized. The indicated moieties exhibit a locally positive charge which enables hyaluronate binding (direct and water mediated).
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Affiliation(s)
- Piotr Bełdowski
- Faculty of Chemical Technology and Engineering, Institute of Mathematics & Physics, Bydgoszcz University of Science & Technology, 85-796 Bydgoszcz, Poland
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Engineering Pedagogics, SE-100 44 Stockholm, Sweden;
- Correspondence:
| | - Maciej Przybyłek
- Department of Physical Chemistry, Pharmacy Faculty, Collegium Medicum of Bydgoszcz, Nicolaus Copernicus University in Toruń, Kurpińskiego 5, 85-950 Bydgoszcz, Poland;
| | - Przemysław Raczyński
- Faculty of Science and Technology, University of Silesia in Katowice, 75 Pułku Piechoty 1A, 41-500 Chorzow, Poland; (P.R.); (K.G.); (Z.D.)
| | - Andra Dedinaite
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Engineering Pedagogics, SE-100 44 Stockholm, Sweden;
- Division of Bioscience and Materials, RISE Research Institutes of Sweden, SE-114 86 Stockholm, Sweden
| | - Krzysztof Górny
- Faculty of Science and Technology, University of Silesia in Katowice, 75 Pułku Piechoty 1A, 41-500 Chorzow, Poland; (P.R.); (K.G.); (Z.D.)
| | - Florian Wieland
- Helmholtz-Zentrum Hereon: Institute for metallic Biomaterials, Max-Planck-Straße 1, 21502 Geesthacht, Germany;
| | - Zbigniew Dendzik
- Faculty of Science and Technology, University of Silesia in Katowice, 75 Pułku Piechoty 1A, 41-500 Chorzow, Poland; (P.R.); (K.G.); (Z.D.)
| | - Alina Sionkowska
- Department of Biomaterials and Cosmetics Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarin 7, 87-100 Torun, Poland;
| | - Per M. Claesson
- KTH Royal Institute of Technology, Department of Chemistry, Surface and Corrosion Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, SE-100 44 Stockholm, Sweden;
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Nemashkalova EL, Permyakov EA, Permyakov SE, Litus EA. Modulation of linoleic acid-binding properties of human serum albumin by divalent metal cations. Biometals 2017; 30:341-353. [PMID: 28303360 DOI: 10.1007/s10534-017-0010-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 03/10/2017] [Indexed: 01/01/2023]
Abstract
Human serum albumin (HSA) is an abundant multiligand carrier protein, linked to progression of Alzheimer's disease (AD). Blood HSA serves as a depot of amyloid β (Aβ) peptide. Aβ peptide-buffering properties of HSA depend on interaction with its ligands. Some of the ligands, namely, linoleic acid (LA), zinc and copper ions are involved into AD progression. To clarify the interplay between LA and metal ion binding to HSA, the dependence of LA binding to HSA on Zn2+, Cu2+, Mg2+ and Ca2+ levels and structural consequences of these interactions have been explored. Seven LA molecules are bound per HSA molecule in the absence of the metal ions. Zn2+ binding to HSA causes a loss of one bound LA molecule, while the other metals studied exert an opposite effect (1-2 extra LA molecules are bound). In most cases, the observed effects are not related to the metal-induced changes in HSA quaternary structure. However, the Zn2+-induced decline in LA capacity of HSA could be due to accumulation of multimeric HSA forms. Opposite to Ca2+/Mg2+-binding, Zn2+ or Cu2+ association with HSA induces marked changes in its hydrophobic surface. Overall, the divalent metal ions modulate LA capacity and affinity of HSA to a different extent. LA- and Ca2+-binding to HSA synergistically support each other. Zn2+ and Cu2+ induce more pronounced changes in hydrophobic surface and quaternary structure of HSA and its LA capacity. A misbalanced metabolism of these ions in AD could modify interactions of HSA with LA, other fatty acids and hydrophobic substances, associated with AD.
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Affiliation(s)
- Ekaterina L Nemashkalova
- Protein Research Group, Institute for Biological Instrumentation of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, Moscow region, Russia, 142290
| | - Eugene A Permyakov
- Protein Research Group, Institute for Biological Instrumentation of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, Moscow region, Russia, 142290.,Department of Biomedical Engineering, Pushchino State Institute of Natural Sciences, Science av., 3, Pushchino, Moscow region, Russia, 142290
| | - Sergei E Permyakov
- Protein Research Group, Institute for Biological Instrumentation of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, Moscow region, Russia, 142290.,Department of Biomedical Engineering, Pushchino State Institute of Natural Sciences, Science av., 3, Pushchino, Moscow region, Russia, 142290
| | - Ekaterina A Litus
- Protein Research Group, Institute for Biological Instrumentation of the Russian Academy of Sciences, Institutskaya Str., 7, Pushchino, Moscow region, Russia, 142290.
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Willumeit R, Feyerabend F, Huber N. Magnesium degradation as determined by artificial neural networks. Acta Biomater 2013; 9:8722-9. [PMID: 23470548 DOI: 10.1016/j.actbio.2013.02.042] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Revised: 01/29/2013] [Accepted: 02/20/2013] [Indexed: 12/16/2022]
Abstract
Magnesium degradation under physiological conditions is a highly complex process in which temperature, the use of cell culture growth medium and the presence of CO2, O2 and proteins can influence the corrosion rate and the composition of the resulting corrosion layer. Due to the complexity of this process it is almost impossible to predict the parameters that are most important and whether some parameters have a synergistic effect on the corrosion rate. Artificial neural networks are a mathematical tool that can be used to approximate and analyse non-linear problems with multiple inputs. In this work we present the first analysis of corrosion data obtained using this method, which reveals that CO2 and the composition of the buffer system play a crucial role in the corrosion of magnesium, whereas O2, proteins and temperature play a less prominent role.
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Willumeit R, Fischer J, Feyerabend F, Hort N, Bismayer U, Heidrich S, Mihailova B. Chemical surface alteration of biodegradable magnesium exposed to corrosion media. Acta Biomater 2011; 7:2704-15. [PMID: 21382530 DOI: 10.1016/j.actbio.2011.03.004] [Citation(s) in RCA: 135] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2010] [Revised: 02/20/2011] [Accepted: 03/02/2011] [Indexed: 10/18/2022]
Abstract
The understanding of corrosion processes of metal implants in the human body is a key problem in modern biomaterial science. Because of the complicated and adjustable in vivo environment, in vitro experiments require the analysis of various physiological corrosion media to elucidate the underlying mechanism of "biological" metal surface modification. In this paper magnesium samples were incubated under cell culture conditions (i.e. including CO(2)) in electrolyte solutions and cell growth media, with and without proteins. Chemical mapping by high-resolution electron-induced X-ray emission spectroscopy and infrared reflection microspectroscopy revealed a complex structure of the formed corrosion layer. The presence of CO(2) in concentrations close to that in blood is significant for the chemistry of the oxidised layer. The presence of proteins leads to a less dense but thicker passivation layer which is still ion and water permeable, as osmolality and weight measurements indicate.
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van Os GAJ, Möller W. Dissociation and electrical conductance of the sodium, potassium, calcium and magnesium salts of haemoglobin. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19580770311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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de Bruin S, van Os G. Charge fluctuations in isoionic protein solutions. Determination of the quantity S = (¯z2)½ by means of conductivity measurements and hydrogen ion titrations. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19690880105] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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van Oss CJ, Simonnet H, Annicolas D. The sodium potassium-selectivity of complexes of bovine serum albumin with positively or negatively charged detergents, measured by ultrafiltration. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19590780608] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Tendeloo HJC, Krips A. Electrochemical researches on paraffin membranes IV. Measurements of the binding of calcium ions by human serum albumin. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19580770709] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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