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Kozlova AA, Rubets E, Vareltzoglou MR, Jarzebska N, Ragavan VN, Chen Y, Martens-Lobenhoffer J, Bode-Böger SM, Gainetdinov RR, Rodionov RN, Bernhardt N. Knock-out of the critical nitric oxide synthase regulator DDAH1 in mice impacts amphetamine sensitivity and dopamine metabolism. J Neural Transm (Vienna) 2023; 130:1097-1112. [PMID: 36792833 PMCID: PMC10460711 DOI: 10.1007/s00702-023-02597-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 01/28/2023] [Indexed: 02/17/2023]
Abstract
The enzyme dimethylarginine dimethylaminohydrolase 1 (DDAH1) plays a pivotal role in the regulation of nitric oxide levels by degrading the main endogenous nitric oxide synthase inhibitor asymmetric dimethylarginine (ADMA). Growing evidence highlight the potential implication of DDAH/ADMA axis in the etiopathogenesis of several neuropsychiatric and neurological disorders, yet the underlying molecular mechanisms remain elusive. In this study, we sought to investigate the role of DDAH1 in behavioral endophenotypes with neuropsychiatric relevance. To achieve this, a global DDAH1 knock-out (DDAH1-ko) mouse strain was employed. Behavioral testing and brain region-specific neurotransmitter profiling have been conducted to assess the effect of both genotype and sex. DDAH1-ko mice exhibited increased exploratory behavior toward novel objects, altered amphetamine response kinetics and decreased dopamine metabolite 3,4-dihydroxyphenylacetic acid (DOPAC) level in the piriform cortex and striatum. Females of both genotypes showed the most robust amphetamine response. These results support the potential implication of the DDAH/ADMA pathway in central nervous system processes shaping the behavioral outcome. Yet, further experiments are required to complement the picture and define the specific brain-regions and mechanisms involved.
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Affiliation(s)
- Alena A Kozlova
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307, Dresden, Germany
| | - Elena Rubets
- Division of Angiology, Department of Internal Medicine III, University Center for Vascular Medicine, Technische Universität Dresden, 01307, Dresden, Germany
| | - Magdalini R Vareltzoglou
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307, Dresden, Germany
| | - Natalia Jarzebska
- Division of Angiology, Department of Internal Medicine III, University Center for Vascular Medicine, Technische Universität Dresden, 01307, Dresden, Germany
| | - Vinitha N Ragavan
- Division of Angiology, Department of Internal Medicine III, University Center for Vascular Medicine, Technische Universität Dresden, 01307, Dresden, Germany
| | - Yingjie Chen
- Department of Physiology & Biophysics, University of Mississippi Medical Center, Jackson, MS, 39216, USA
| | | | - Stefanie M Bode-Böger
- Institute of Clinical Pharmacology, Otto-Von-Guericke University, Magdeburg, Germany
| | - Raul R Gainetdinov
- Institute of Translational Biomedicine and Saint-Petersburg University Hospital, Saint-Petersburg State University, 199034, Saint-Petersburg, Russia
| | - Roman N Rodionov
- Division of Angiology, Department of Internal Medicine III, University Center for Vascular Medicine, Technische Universität Dresden, 01307, Dresden, Germany
| | - Nadine Bernhardt
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307, Dresden, Germany.
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Karetnikova ES, Jarzebska N, Rodionov RN, Rubets E, Markov AG, Spieth PM. mRNA Levels of Epithelial and Mesenchymal Markers in Lung Epithelial Cell Lines. Rep Biochem Mol Biol 2023; 12:211-219. [PMID: 38317809 PMCID: PMC10838588 DOI: 10.61186/rbmb.12.2.211] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 07/14/2023] [Indexed: 02/07/2024]
Abstract
Background Epithelial-mesenchymal transition (EMT) is an important physiologic process that determines the outcome of lung tissue healing after injury. Stimuli and molecular cascades inducing EMT lead to up-regulation of the mesenchymal-specific genes in the alveolar epithelial cells and to down-regulation of the genes coding for epithelial markers. Alveolar epithelial cell lines are commonly used as in vitro models to study processes occurring in the lung tissue. The aim of this study is to quantify and compare mRNA expression levels of epithelial and mesenchymal markers in a number of lung epithelial cell lines. Methods Lung epithelial cell lines L2, R3/1 and RLE-6TN were cultured. Repeated mRNA isolation, reverse transcription, and quantitative PCR with primers to epithelial (E-cadherin, occludin, and ZO-2) and mesenchymal (α-SMA, collagen III, and vimentin) markers were performed. Results First, our study revealed a higher level of epithelial transcripts in the RLE-6TN cell line compared to L2 and R3/1 cells. Secondly, we have found simultaneous mRNA expression of both epithelial (E-cadherin, occludin and ZO-2) and mesenchymal (α-SMA, collagen III and vimentin) markers in all cell lines studied. Conclusions Our data indicate that at the transcriptional level the L2, R3/1, and RLE-6TN cell lines are at one of the intermediate stages of EMT, which opens new possibilities for the study of EMT on cell lines. Determination of the direction of changes in epithelial and mesenchymal markers will make it possible to establish the factors responsible for both EMT and reverse mesenchymal-epithelial transition.
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Affiliation(s)
- Ekaterina Sergeevna Karetnikova
- Department of Anesthesiology and Critical Care Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
- Department of General Physiology, Saint-Petersburg State University, Saint-Petersburg, Russia.
| | - Natalia Jarzebska
- Department of Anesthesiology and Critical Care Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
- Division of Angiology, Department of Internal Medicine III, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
| | - Roman Nikolaevich Rodionov
- Division of Angiology, Department of Internal Medicine III, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
| | - Elena Rubets
- Department of General Physiology, Saint-Petersburg State University, Saint-Petersburg, Russia.
- Division of Angiology, Department of Internal Medicine III, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
| | - Alexander Georgievich Markov
- Department of General Physiology, Saint-Petersburg State University, Saint-Petersburg, Russia.
- The first and the second authors contributed equally to this work.
| | - Peter Markus Spieth
- Department of Anesthesiology and Critical Care Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
- The first and the second authors contributed equally to this work.
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Ragavan VN, Nair PC, Jarzebska N, Angom RS, Ruta L, Bianconi E, Grottelli S, Tararova ND, Ryazanskiy D, Lentz SR, Tommasi S, Martens-Lobenhoffer J, Suzuki-Yamamoto T, Kimoto M, Rubets E, Chau S, Chen Y, Hu X, Bernhardt N, Spieth PM, Weiss N, Bornstein SR, Mukhopadhyay D, Bode-Böger SM, Maas R, Wang Y, Macchiarulo A, Mangoni AA, Cellini B, Rodionov RN. A multicentric consortium study demonstrates that dimethylarginine dimethylaminohydrolase 2 is not a dimethylarginine dimethylaminohydrolase. Nat Commun 2023; 14:3392. [PMID: 37296100 PMCID: PMC10256801 DOI: 10.1038/s41467-023-38467-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 04/27/2023] [Indexed: 06/12/2023] Open
Abstract
Dimethylarginine dimethylaminohydrolase 1 (DDAH1) protects against cardiovascular disease by metabolising the risk factor asymmetric dimethylarginine (ADMA). However, the question whether the second DDAH isoform, DDAH2, directly metabolises ADMA has remained unanswered. Consequently, it is still unclear if DDAH2 may be a potential target for ADMA-lowering therapies or if drug development efforts should focus on DDAH2's known physiological functions in mitochondrial fission, angiogenesis, vascular remodelling, insulin secretion, and immune responses. Here, an international consortium of research groups set out to address this question using in silico, in vitro, cell culture, and murine models. The findings uniformly demonstrate that DDAH2 is incapable of metabolising ADMA, thus resolving a 20-year controversy and providing a starting point for the investigation of alternative, ADMA-independent functions of DDAH2.
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Affiliation(s)
- Vinitha N Ragavan
- Department of Internal Medicine III, Technische Universität Dresden, Dresden, Germany
- Department of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Bedford Park, Adelaide, SA, Australia
| | - Pramod C Nair
- Department of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Bedford Park, Adelaide, SA, Australia
- Flinders Health and Medical Research Institute (FHMRI), College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
- Cancer Program, South Australian Health and Medical Research Institute (SAHMRI), University of Adelaide, Adelaide, SA, Australia
- Discipline of Medicine, Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Natalia Jarzebska
- Department of Internal Medicine III, Technische Universität Dresden, Dresden, Germany
| | - Ramcharan Singh Angom
- Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine and Science, Jacksonville, FL, USA
| | - Luana Ruta
- Department of Pharmaceutical Sciences, University of Perugia, via del Liceo 1, Perugia, Italy
| | - Elisa Bianconi
- Department of Pharmaceutical Sciences, University of Perugia, via del Liceo 1, Perugia, Italy
| | - Silvia Grottelli
- Department of Medicine and Surgery, University of Perugia, P.le L. Sevari 1, Perugia, Italy
| | | | | | - Steven R Lentz
- Department of Internal Medicine, The University of Iowa Carver College of Medicine, Iowa City, IA, USA
| | - Sara Tommasi
- Department of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Bedford Park, Adelaide, SA, Australia
| | | | - Toshiko Suzuki-Yamamoto
- Department of Nutritional Science, Faculty of Health and Welfare Science, Okayama Prefectural University, Okayama, Japan
| | - Masumi Kimoto
- Department of Nutritional Science, Faculty of Health and Welfare Science, Okayama Prefectural University, Okayama, Japan
| | - Elena Rubets
- Department of Internal Medicine III, Technische Universität Dresden, Dresden, Germany
| | - Sarah Chau
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine and Science, Rochester, NY, USA
| | - Yingjie Chen
- Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, MS, USA
| | - Xinli Hu
- Institute of Molecular Medicine, Beijing University, Beijing, China
| | - Nadine Bernhardt
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Peter M Spieth
- Department of Anesthesiology and Critical Care Medicine, University Hospital Dresden, Technische Universität Dresden, Dresden, Germany
| | - Norbert Weiss
- Department of Internal Medicine III, Technische Universität Dresden, Dresden, Germany
| | - Stefan R Bornstein
- Department of Internal Medicine III, Technische Universität Dresden, Dresden, Germany
- School of Cardiovascular and Metabolic Medicine and Sciences, Faculty of Life Sciences & Medicine, King's College London, London, UK
| | - Debabrata Mukhopadhyay
- Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine and Science, Jacksonville, FL, USA
| | - Stefanie M Bode-Böger
- Institute of Clinical Pharmacology, Otto von Guericke University, Magdeburg, Germany
| | - Renke Maas
- Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- FAU New - Research Center for New Bioactive Compounds, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Ying Wang
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine and Science, Rochester, NY, USA
| | - Antonio Macchiarulo
- Department of Pharmaceutical Sciences, University of Perugia, via del Liceo 1, Perugia, Italy
| | - Arduino A Mangoni
- Department of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Bedford Park, Adelaide, SA, Australia
| | - Barbara Cellini
- Department of Medicine and Surgery, University of Perugia, P.le L. Sevari 1, Perugia, Italy
| | - Roman N Rodionov
- Department of Internal Medicine III, Technische Universität Dresden, Dresden, Germany.
- College of Medicine and Public Health, Flinders University and Flinders Medical Center, Adelaide, SA, Australia.
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Kozlova AA, Ragavan VN, Jarzebska N, Lukianova IV, Bikmurzina AE, Rubets E, Suzuki-Yamamoto T, Kimoto M, Mangoni AA, Gainetdinov RR, Weiss N, Bauer M, Markov AG, Rodionov RN, Bernhardt N. Divergent Dimethylarginine Dimethylaminohydrolase Isoenzyme Expression in the Central Nervous System. Cell Mol Neurobiol 2022; 42:2273-2288. [PMID: 34014421 PMCID: PMC9418281 DOI: 10.1007/s10571-021-01101-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 05/09/2021] [Indexed: 11/20/2022]
Abstract
The endogenous methylated derivative of ʟ-arginine, Nω,Nω'-dimethyl-ʟ-arginine (asymmetric dimethylarginine, ADMA), an independent risk factor in many diseases, inhibits the activity of nitric oxide synthases and, consequently, modulates the availability of nitric oxide. While most studies on the biological role of ADMA have focused on endothelial and inducible nitric oxide synthases modulation and its contribution to cardiovascular, metabolic, and renal diseases, a role in regulating neuronal nitric oxide synthases and pathologies of the central nervous system is less understood. The two isoforms of dimethylarginine dimethylaminohydrolase (DDAH), DDAH1 and DDAH2, are thought to be the main enzymes responsible for ADMA catabolism. A current impediment is limited knowledge on specific tissue and cellular distribution of DDAH enzymes within the brain. In this study, we provide a detailed characterization of the regional and cellular distribution of DDAH1 and DDAH2 proteins in the adult murine and human brain. Immunohistochemical analysis showed a wide distribution of DDAH1, mapping to multiple cell types, while DDAH2 was detected in a limited number of brain regions and exclusively in neurons. Our results provide key information for the investigation of the pathophysiological roles of the ADMA/DDAH system in neuropsychiatric diseases and pave the way for the development of novel selective therapeutic approaches.
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Affiliation(s)
- Alena A Kozlova
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Institute of Translational Biomedicine and Saint-Petersburg University Hospital, Saint-Petersburg State University, Saint-Petersburg, Russia
| | - Vinitha N Ragavan
- University Centre for Vascular Medicine and Department of Internal Medicine, Technische Universität Dresden, Dresden, Germany
- Department of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Adelaide, Australia
| | - Natalia Jarzebska
- University Centre for Vascular Medicine and Department of Internal Medicine, Technische Universität Dresden, Dresden, Germany
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Cart Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Iana V Lukianova
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Anastasia E Bikmurzina
- Department of General Physiology, Saint-Petersburg State University, 199034, Saint-Petersburg, Russia
| | - Elena Rubets
- University Centre for Vascular Medicine and Department of Internal Medicine, Technische Universität Dresden, Dresden, Germany
- Department of General Physiology, Saint-Petersburg State University, 199034, Saint-Petersburg, Russia
| | - Toshiko Suzuki-Yamamoto
- Department of Nutritional Science, Faculty of Health and Welfare Science, Okayama Prefectural University, Okayama, Japan
| | - Masumi Kimoto
- Department of Nutritional Science, Faculty of Health and Welfare Science, Okayama Prefectural University, Okayama, Japan
| | - Arduino A Mangoni
- Department of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Adelaide, Australia
| | - Raul R Gainetdinov
- Institute of Translational Biomedicine and Saint-Petersburg University Hospital, Saint-Petersburg State University, Saint-Petersburg, Russia
| | - Norbert Weiss
- University Centre for Vascular Medicine and Department of Internal Medicine, Technische Universität Dresden, Dresden, Germany
| | - Michael Bauer
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Alexander G Markov
- Department of General Physiology, Saint-Petersburg State University, 199034, Saint-Petersburg, Russia
| | - Roman N Rodionov
- University Centre for Vascular Medicine and Department of Internal Medicine, Technische Universität Dresden, Dresden, Germany
- Department of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Adelaide, Australia
| | - Nadine Bernhardt
- Department of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
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