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Zoanni B, Brioschi M, Mallia A, Gianazza E, Eligini S, Carini M, Aldini G, Banfi C. Novel insights about albumin in cardiovascular diseases: Focus on heart failure. MASS SPECTROMETRY REVIEWS 2023; 42:1113-1128. [PMID: 34747521 DOI: 10.1002/mas.21743] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 08/27/2021] [Accepted: 09/02/2021] [Indexed: 06/07/2023]
Abstract
The Human Plasma Proteome has always been the most investigated compartment in proteomics-based biomarker discovery, and is considered the largest and deepest version of the human proteome, reflecting the state of the body in health and disease. Even if efforts have been always dedicated to the refinement of proteomic approaches to investigate more deeply the plasma proteome, it should not be forgotten that also highly abundant plasma proteins, like human serum albumin (HSA), often neglected in these studies, might provide fundamental physiological functions in plasma, and should be better considered. This review summarizes the important roles of HSA in the context of cardiovascular diseases (CVD), and in particular in heart failure. Notwithstanding much attention has been historically directed toward the association of HSA levels and CVD risk, the advances in the field of mass spectrometry research allow also a better characterization of the effects of oxidative modifications that could alter not only the structure but also the function of HSA.
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Affiliation(s)
| | | | - Alice Mallia
- Centro Cardiologico Monzino, IRCCS, Milano, Italy
| | | | | | - Marina Carini
- Dipartimento di Scienze Farmaceutiche, Università di Milano, Milan, Italy
| | - Giancarlo Aldini
- Dipartimento di Scienze Farmaceutiche, Università di Milano, Milan, Italy
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Georgieva E, Atanasov V, Kostandieva R, Tsoneva V, Mitev M, Arabadzhiev G, Yovchev Y, Karamalakova Y, Nikolova G. Direct Application of 3-Maleimido-PROXYL for Proving Hypoalbuminemia in Cases of SARS-CoV-2 Infection: The Potential Diagnostic Method of Determining Albumin Instability and Oxidized Protein Level in Severe COVID-19. Int J Mol Sci 2023; 24:ijms24065807. [PMID: 36982882 PMCID: PMC10058219 DOI: 10.3390/ijms24065807] [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: 01/31/2023] [Revised: 03/15/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Oxidative stress and the albumin oxidized form can lead to hypoalbuminemia, which is a predisposing factor for reduced treatment effectiveness and an increased mortality rate in severe COVID-19 patients. The aim of the study is to evaluate the application of free radical 3-Maleimido-PROXYL and SDSL-EPR spectroscopy in the in vitro determination of ox/red HSA in serum samples from patients with SARS-CoV-2 infection. Venous blood was collected from patients intubated (pO2 < 90%) with a positive PCR test for SARS-CoV-2 and controls. At the 120th minute after the incubation of the serum samples from both groups with the 3-Maleimido-PROXYL, the EPR measurement was started. The high levels of free radicals were determined through the nitroxide radical TEMPOL, which probably led to increased oxidation of HSA and hypoalbuminemia in severe COVID-19. The double-integrated spectra of 3-Maleimido-PROXYL radical showed a low degree of connectivity due to high levels of oxidized albumin in COVID-19 patients. The low concentrations of reduced albumin in serum samples partially inhibit spin-label rotation, with Amax values and ΔH0 spectral parameters comparable to those of 3-Maleimido-PROXYL/DMSO. Based on the obtained results, we suggest that the stable nitroxide radical 3-Maleimido-PROXYL can be successfully used as a marker to study oxidized albumin levels in COVID-19.
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Affiliation(s)
- Ekaterina Georgieva
- Department of "General and Clinical Pathology, Forensic Medicine, Deontology and Dermatovenerology", Medical Faculty, Trakia University, 11 Armeiska Str., 6000 Stara Zagora, Bulgaria
- Department of "Medical Chemistry and Biochemistry", Medical Faculty, Trakia University, 11 Armeiska Str., 6000 Stara Zagora, Bulgaria
| | - Vasil Atanasov
- Forensic Toxicology Laboratory, Military Medical Academy, 3 G. Sofiiski, 1606 Sofia, Bulgaria
| | - Rositsa Kostandieva
- Forensic Toxicology Laboratory, Military Medical Academy, 3 G. Sofiiski, 1606 Sofia, Bulgaria
| | - Vanya Tsoneva
- Department of Propaedeutics of Internal Medicine and Clinical Laboratory, Medical Faculty, Trakia University, 11 Armeiska Str., 6000 Stara Zagora, Bulgaria
| | - Mitko Mitev
- Department of "Diagnostic Imaging", University Hospital "Prof. Dr. St. Kirkovich", 6000 Stara Zagora, Bulgaria
| | - Georgi Arabadzhiev
- Department of "Surgery and anesthesiology", University Hospital "Prof. Dr. St. Kirkovich", 6000 Stara Zagora, Bulgaria
| | - Yovcho Yovchev
- Department of "Surgery and anesthesiology", University Hospital "Prof. Dr. St. Kirkovich", 6000 Stara Zagora, Bulgaria
| | - Yanka Karamalakova
- Department of "Medical Chemistry and Biochemistry", Medical Faculty, Trakia University, 11 Armeiska Str., 6000 Stara Zagora, Bulgaria
| | - Galina Nikolova
- Department of "Medical Chemistry and Biochemistry", Medical Faculty, Trakia University, 11 Armeiska Str., 6000 Stara Zagora, Bulgaria
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Huang J, Xie Y. Hydrogen sulfide signaling in plants. Antioxid Redox Signal 2023. [PMID: 36924280 DOI: 10.1089/ars.2023.0267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
SIGNIFICANCE Hydrogen sulfide (H2S) is a multitasking potent regulator that facilitates plant growth, development, and responses to environmental stimuli. RECENT ADVANCES The important beneficial effects of H2S in various aspects of plant physiology aroused the interest of this chemical for agriculture. Protein cysteine persulfidation has been recognized as the main redox regulatory mechanism of H2S signaling. An increasing number of studies, including large-scale proteomic analyses and function characterizations, have revealed that H2S-mediated persulfidations directly regulate protein functions, altering downstream signaling in plants. To date, the importance of H2S-mediated persufidation in several abscisic acid signaling-controlling key proteins has been assessed as well as their role in stomatal movements, largely contributing to the understanding of the plant H2S-regulatory mechanism. CRITICAL ISSUES The molecular mechanisms of the H2S sensing and transduction in plants remain elusive. The correlation between H2S-mediated persulfidation with other oxidative posttranslational modifications of cysteines are still to be explored. FUTURE DIRECTIONS Implementation of advanced detection approaches for the spatiotemporal monitoring of H2S levels in cells and the current proteomic profiling strategies for the identification and quantification of the cysteine site-specific persulfidation will provide insight into the H2S signaling in plants.
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Affiliation(s)
- Jingjing Huang
- Ghent University, 26656, Department of Plant Biotechnology and Bioinformatics, Gent, Belgium;
| | - Yanjie Xie
- Nanjing Agricultural University College of Life Sciences, 98430, No.1 Weigang, Nanjing, Jiangsu, China, 210095;
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Netto LES, Machado LESF. Preferential redox regulation of cysteine‐based protein tyrosine phosphatases: structural and biochemical diversity. FEBS J 2022; 289:5480-5504. [DOI: 10.1111/febs.16466] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/20/2022] [Accepted: 04/28/2022] [Indexed: 12/30/2022]
Affiliation(s)
- Luís Eduardo S. Netto
- Departamento de Genética e Biologia Evolutiva Instituto de Biociências Universidade de São Paulo Brazil
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Hernychova L, Alexandri E, Tzakos AG, Zatloukalová M, Primikyri A, Gerothanassis IP, Uhrik L, Šebela M, Kopečný D, Jedinák L, Vacek J. Serum albumin as a primary non-covalent binding protein for nitro-oleic acid. Int J Biol Macromol 2022; 203:116-129. [PMID: 35063491 DOI: 10.1016/j.ijbiomac.2022.01.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 12/25/2021] [Accepted: 01/08/2022] [Indexed: 12/19/2022]
Abstract
This work explores the interaction of 9/10-nitro-oleic acid (NO2-OA) with human serum albumin (HSA). The molecular mechanism of the biological action of NO2-OA is to our knowledge based on a reversible covalent reaction-Michael addition of nucleophilic amino acid residues of proteins. Since HSA is an important fatty acid transporter, a key question is whether NO2-OA can bind covalently or non-covalently to HSA, similarly to oleic acid (OA), which can interact with the FA1-FA7 binding sites of the HSA molecule. 1H NMR studies and competition analysis with OA and the drugs ibuprofen and warfarin were used to investigate a potential non-covalent binding mode. NO2-OA/HSA binding was confirmed to compete with warfarin for FA-7 with significantly higher affinity. NO2-OA competes with ibuprofen for FA-3 and FA-6, however, in contrast to the situation with warfarin, the binding affinities are not significantly different. The described interactions are based exclusively on non-covalent binding. No covalent binding of NO2-OA to HSA was detected by MS/MS. More detailed studies based on MALDI-TOF-MS and Ellman's assay indicated that HSA can be covalently modified in the presence of NO2-OA to a very limited extent. It was also shown that NO2-OA has a higher affinity to HSA than that of OA.
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Affiliation(s)
- Lenka Hernychova
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Žlutý kopec 7, Brno 656 53, Czech Republic
| | - Eleni Alexandri
- Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina 451 10, Greece
| | - Andreas G Tzakos
- Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina 451 10, Greece; Institute of Materials Science and Computing, University Research Center of Ioannina (URCI), 451 10 Ioannina, Greece
| | - Martina Zatloukalová
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hněvotínská 3, Olomouc 775 15, Czech Republic
| | - Alexandra Primikyri
- Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina 451 10, Greece
| | - Ioannis P Gerothanassis
- Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina 451 10, Greece
| | - Lukas Uhrik
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Žlutý kopec 7, Brno 656 53, Czech Republic
| | - Marek Šebela
- Department of Biochemistry, Faculty of Science, Palacký University, Šlechtitelů 27, Olomouc 783 71, Czech Republic
| | - David Kopečný
- Department of Experimental Biology, Faculty of Science, Palacký University, Šlechtitelů 27, Olomouc 783 71, Czech Republic
| | - Lukáš Jedinák
- Department of Organic Chemistry, Faculty of Science, Palacký University, 17. listopadu 12, Olomouc 771 46, Czech Republic
| | - Jan Vacek
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hněvotínská 3, Olomouc 775 15, Czech Republic; The Czech Academy of Sciences, Institute of Biophysics, Královopolská 135, Brno 612 65, Czech Republic.
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