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de Moraes Meine B, Franceschi TS, Bona NP, Spohr L, Pedra NS, Spanevello RM, de Aguiar MSS, Stefanello FM. Chemical hypermethioninemia in young mice: oxidative damage and reduction of antioxidant enzyme activity in brain, kidney, and liver. Metab Brain Dis 2023; 38:223-232. [PMID: 36308587 DOI: 10.1007/s11011-022-01107-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 10/13/2022] [Indexed: 02/03/2023]
Abstract
High levels of methionine (Met) and its metabolites, such as methionine sulfoxide (MetO), found in hypermethioninemia, can be detrimental to the body; however, the underlying mechanisms are still uncertain. Using a recently standardized protocol, the aim of this study was to investigate the effects of chronic administration of Met and/or MetO on parameters of oxidative damage in the total brain, liver, and kidney of young mice. Swiss male mice were subcutaneously injected with Met and MetO at concentrations of 0.35-1.2 g/kg body weight and 0.09-0.3 g/kg body weight, respectively, from the 10th-38th day post-birth, while the control group was treated with saline solution. Results showed that Met and/or MetO caused an increase in reactive oxygen species (ROS) and lipoperoxidation, along with a reduction of superoxide dismutase (SOD) and catalase (CAT) activities in the brain. In the liver, Met and/or MetO enhanced ROS and nitrite levels, and reduced SOD, CAT, and delta aminolevulinic dehydratase activities. The effects on the kidney were an increase in ROS production and SOD activity, and a reduction in thiol content and CAT activity. These data demonstrated the contribution of redox imbalance to the systemic changes found in patients with hypermethioninemia. In conclusion, our findings may help future studies to better understand the pathophysiological mechanisms of hypermethioninemia as well as contribute to the search for new therapeutic agents for this pathology.
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Affiliation(s)
- Bernardo de Moraes Meine
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário S/N, Pelotas, RS, Brazil
| | - Thaís Scolari Franceschi
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário S/N, Pelotas, RS, Brazil
| | - Natália Pontes Bona
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário S/N, Pelotas, RS, Brazil
| | - Luiza Spohr
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Neuroquímica, Inflamação e Câncer, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, CEP: 96010-900, Brazil
| | - Nathalia Stark Pedra
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Neuroquímica, Inflamação e Câncer, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, CEP: 96010-900, Brazil
| | - Roselia Maria Spanevello
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Neuroquímica, Inflamação e Câncer, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, CEP: 96010-900, Brazil
| | - Mayara Sandrielly Soares de Aguiar
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Neuroquímica, Inflamação e Câncer, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário s/n, Pelotas, RS, CEP: 96010-900, Brazil.
| | - Francieli Moro Stefanello
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Biomarcadores, Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário S/N, Pelotas, RS, Brazil
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Padmanabha H, Shekhar R, Mahale R, Annam H, Bhat M, Sangeeth TA, Christopher R, Arunachal G, Mailankody P, Mathuranath PS. Reversible leukoencephalopathy and cerebral atrophy in homocystinuria due to MTHFR deficiency: A treatable metabolic disorder. J Inherit Metab Dis 2021; 44:1505-1506. [PMID: 34541688 DOI: 10.1002/jimd.12439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 11/07/2022]
Affiliation(s)
- Hansashree Padmanabha
- Department of Neurology, Neuroscience Faculty Center, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Ravi Shekhar
- Department of Neurology, Neuroscience Faculty Center, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Rohan Mahale
- Department of Neurology, Neuroscience Faculty Center, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Harikrishna Annam
- Department of Neurology, Neuroscience Faculty Center, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Maya Bhat
- Department of Neuroimaging and Interventional Radiology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Thuppanattumadam A Sangeeth
- Department of Neurology, Neuroscience Faculty Center, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Rita Christopher
- Department of Neurochemistry, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Gautham Arunachal
- Department of Human Genetics, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Pooja Mailankody
- Department of Neurology, Neuroscience Faculty Center, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Pavagada S Mathuranath
- Department of Neurology, Neuroscience Faculty Center, National Institute of Mental Health and Neurosciences, Bengaluru, India
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Schwahn BC, Scheffner T, Stepman H, Verloo P, Das AM, Fletcher J, Blom HJ, Benoist JF, Barshop BA, Barea JJ, Feigenbaum A. Cystathionine beta synthase deficiency and brain edema associated with methionine excess under betaine supplementation: Four new cases and a review of the evidence. JIMD Rep 2020; 52:3-10. [PMID: 32154053 PMCID: PMC7052692 DOI: 10.1002/jmd2.12092] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 11/19/2019] [Accepted: 12/04/2019] [Indexed: 12/25/2022] Open
Abstract
CBS deficient individuals undergoing betaine supplementation without sufficient dietary methionine restriction can develop severe hypermethioninemia and brain edema. Brain edema has also been observed in individuals with severe hypermethioninemia without concomitant betaine supplementation. We systematically evaluated reports from 11 published and 4 unpublished patients with CBS deficiency and from additional four cases of encephalopathy in association with elevated methionine. We conclude that, while betaine supplementation does greatly exacerbate methionine accumulation, the primary agent causing brain edema is methionine rather than betaine. Clinical signs of increased intracranial pressure have not been seen in patients with plasma methionine levels below 559 μmol/L but occurred in one patient whose levels did not knowingly exceed 972 μmol/L at the time of manifestation. While levels below 500 μmol/L can be deemed safe it appears that brain edema can develop with plasma methionine levels close to 1000 μmol/L. Patients with CBS deficiency on betaine supplementation need to be regularly monitored for concordance with their dietary plan and for plasma methionine concentrations. Recurrent methionine levels above 500 μmol/L should alert clinicians to check for clinical signs and symptoms of brain edema and review dietary methionine intake. Levels approaching 1000 μmol/L do increase the risk of complications and levels exceeding 1000 μmol/L, despite best dietetic efforts, should be acutely addressed by reducing the prescribed betaine dose.
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Affiliation(s)
- Bernd C Schwahn
- Willink Metabolic Unit, Manchester Centre for Genomic Medicine Manchester University Hospitals NHS Foundation Trust Manchester UK
| | - Thomas Scheffner
- Klinikum am Steinenberg, Klinik für Kinder und Jugendmedizin School of Medicine University of Tübingen Reutlingen Germany
| | - Hedwig Stepman
- Laboratory for Metabolic diseases Ghent University Hospital Ghent Belgium
| | - Peter Verloo
- Department of Pediatric Neurology and Metabolic Diseases University Hospital Ghent Ghent Belgium
| | - Anibh M Das
- Medizinische Hochschule Hannover Klinik für Pädiatrische Nieren-, Leber- und Stoffwechselerkrankungen Hannover Germany
| | - Janice Fletcher
- Genetics and Molecular Pathology SA Pathology Adelaide Australia
| | - Henk J Blom
- Metabolic Unit, Department of Clinical Genetics Center for Lysosomal and Metabolic Diseases. Erasmus Medical Center Rotterdam The Netherlands
| | | | - Bruce A Barshop
- Department of Pediatrics, Division of Biochemical Genetics, Rady Children's Hospital-San Diego University of California San Diego California
| | - Jaime J Barea
- Department of Pediatrics, Division of Biochemical Genetics, Rady Children's Hospital-San Diego University of California San Diego California
| | - Annette Feigenbaum
- Department of Pediatrics, Division of Biochemical Genetics, Rady Children's Hospital-San Diego University of California San Diego California
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