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Yin J, Huang M, Duan R, Huang W, Zhang Y. Effects of atrazine on movement, metabolism and gene expression in Pelophylax nigromaculatus larvae under global warming. ENVIRONMENTAL RESEARCH 2024; 252:119007. [PMID: 38677404 DOI: 10.1016/j.envres.2024.119007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/07/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Global warming and environmental pollutants both pose a threat to the behavior and physiology of animals, but research on the combined effects of the two is limited. Atrazine, a widely used herbicide, has toxic effects on organisms. In this study, the effects of environmental concentrations of atrazine exposure (100 μg/L) for seven days on the movement, metabolism and gene expression related to motility of Pelophylax nigromaculatus larvae (GS8) were investigated under global warming. The results showed that compared to the optimal growth temperature (18 °C), atrazine treatment under global warming (21 °C) significantly increased the average speed (about 11.2 times) and maximum acceleration (about 1.98 times) of P. nigromaculatus larvae, altered the relative abundance of 539 metabolites, including Formyl-5-hydroxykynurenamine, 2,4-Dihydroxybenzophenone, and FAPy-adenine, and changed the nucleotide metabolism, pyrimidine metabolism, glycerophospholipid metabolism, and purine metabolism, as well as increased the gene expression of SPLA2 (about 6.46 times) and CHK (about 3.25 times). In summary, atrazine treatment under global warming caused metabolic disorders in amphibian larvae and increased the expression of some movement-related genes in the brain, resulting in abnormally active.
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Affiliation(s)
- Jiawei Yin
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, 417000, Hunan, China
| | - Minyi Huang
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, 417000, Hunan, China; Key Laboratory of Development, Utilization, Quality and Safety Control of Characteristic Agricultural Resources in Central Hunan Province, Loudi, 417000, Hunan, China.
| | - Renyan Duan
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, 417000, Hunan, China.
| | - Wentao Huang
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, 417000, Hunan, China
| | - Yuhao Zhang
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, 417000, Hunan, China
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2
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Al-Beltagi M, Saeed NK, Bediwy AS, Elbeltagi R. Metabolomic changes in children with autism. World J Clin Pediatr 2024; 13:92737. [DOI: 10.5409/wjcp.v13.i2.92737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 04/23/2024] [Accepted: 05/06/2024] [Indexed: 06/07/2024] Open
Abstract
BACKGROUND Autism spectrum disorder (ASD) is a neurodevelopmental condition characterized by deficits in social communication and repetitive behaviors. Metabolomic profiling has emerged as a valuable tool for understanding the underlying metabolic dysregulations associated with ASD.
AIM To comprehensively explore metabolomic changes in children with ASD, integrating findings from various research articles, reviews, systematic reviews, meta-analyses, case reports, editorials, and a book chapter.
METHODS A systematic search was conducted in electronic databases, including PubMed, PubMed Central, Cochrane Library, Embase, Web of Science, CINAHL, Scopus, LISA, and NLM catalog up until January 2024. Inclusion criteria encompassed research articles (83), review articles (145), meta-analyses (6), systematic reviews (6), case reports (2), editorials (2), and a book chapter (1) related to metabolomic changes in children with ASD. Exclusion criteria were applied to ensure the relevance and quality of included studies.
RESULTS The systematic review identified specific metabolites and metabolic pathways showing consistent differences in children with ASD compared to typically developing individuals. These metabolic biomarkers may serve as objective measures to support clinical assessments, improve diagnostic accuracy, and inform personalized treatment approaches. Metabolomic profiling also offers insights into the metabolic alterations associated with comorbid conditions commonly observed in individuals with ASD.
CONCLUSION Integration of metabolomic changes in children with ASD holds promise for enhancing diagnostic accuracy, guiding personalized treatment approaches, monitoring treatment response, and improving outcomes. Further research is needed to validate findings, establish standardized protocols, and overcome technical challenges in metabolomic analysis. By advancing our understanding of metabolic dysregulations in ASD, clinicians can improve the lives of affected individuals and their families.
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Affiliation(s)
- Mohammed Al-Beltagi
- Department of Pediatric, Faculty of Medicine, Tanta University, Tanta 31511, Alghrabia, Egypt
- Department of Pediatric, University Medical Center, King Abdulla Medical City, Arabian Gulf University, Manama 26671, Bahrain
- Department of Pediatric, University Medical Center, Dr. Sulaiman Al Habib Medical Group, Manama, Bahrain, Manama 26671, Bahrain
| | - Nermin Kamal Saeed
- Medical Microbiology Section, Department of Pathology, Salmaniya Medical Complex, Ministry of Health, Kingdom of Bahrain, Manama 12, Bahrain
- Medical Microbiology Section, Department of Pathology, Irish Royal College of Surgeon, Bahrain, Busaiteen 15503, Muharraq, Bahrain
| | - Adel Salah Bediwy
- Department of Pulmonology, Faculty of Medicine, Tanta University, Tanta 31527, Alghrabia, Egypt
- Department of Chest Disease, University Medical Center, King Abdulla Medical City, Arabian Gulf University, Manama 26671, Bahrain
- Department of Chest Disease, University Medical Center, Dr. Sulaiman Al Habib Medical Group, Manama, Manama 26671, Bahrain
| | - Reem Elbeltagi
- Department of Medicine, The Royal College of Surgeons in Ireland - Bahrain, Busiateen 15503, Muharraq, Bahrain
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3
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Eliseev MS, Zheliabina OV, Nasonov EL. [Uric acid, cognitive disorders, neurodegeneration]. TERAPEVT ARKH 2024; 96:447-452. [PMID: 38829804 DOI: 10.26442/00403660.2024.05.202698] [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: 05/22/2024] [Accepted: 05/29/2024] [Indexed: 06/05/2024]
Abstract
This article examines the role of uric acid (UA) in cognitive changes and neurodegeneration, focusing on its functions as an antioxidant and prooxidant. Research suggests that changes in serum UA levels may be associated with the development or delay of cognitive impairment, especially in the context of neurodegenerative diseases such as Alzheimer's disease. It was revealed that there is a relationship between the level of UA and the dynamics of cognitive functions, indicating the potential neuroprotective properties of UA. Particular attention is paid to the balance between the antioxidant and prooxidant properties of UA, which may play a key role in protecting neurons from damage. However, research results are not clear-cut, highlighting the need for further research to more fully understand the role of UA in cognitive processes. Determining the optimal serum UA level may be an important step in developing strategies for the prevention and treatment of cognitive impairment associated with neurodegeneration. Overall, these studies advance the understanding of the mechanisms underlying the interaction between uric acid metabolism and brain health.
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Affiliation(s)
| | | | - E L Nasonov
- Nasonova Research Institute of Rheumatology
- Sechenov First Moscow State Medical University (Sechenov University)
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4
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Huang S, Luo L, Wen B, Liu X, Yu K, Zhang M. Metabolic signatures of two scleractinian corals from the northern South China sea in response to extreme high temperature events. MARINE ENVIRONMENTAL RESEARCH 2024; 198:106490. [PMID: 38636276 DOI: 10.1016/j.marenvres.2024.106490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/27/2024] [Accepted: 04/04/2024] [Indexed: 04/20/2024]
Abstract
Coral bleaching events are becoming increasingly common worldwide, causing widespread coral mortality. However, not all colonies within the same coral taxa show sensitivity to bleaching events, and the current understanding of the metabolic mechanisms underlying thermal bleaching in corals remains limited. We used untargeted metabolomics to analyze the biochemical processes involved in the survival of two bleaching phenotypes of the common corals Pavona decussata and Acropora pruinosa, during a severe bleaching event in the northern South China Sea in 2020. During thermal bleaching, P. decussata and A. pruinosa significantly accumulated energy products such as succinate and EPA, antioxidants and inflammatory markers, and reduced energy storage substances like glutamate and thymidine. KEGG analysis revealed enrichment of energy production pathways such as ABC transporters, nucleotide metabolism and lipid metabolism, suggesting the occurrence of oxidative stress and energy metabolism disorders in bleached corals. Notably, heat stress exerted distinct effects on metabolic pathways in the two coral species, e.g., P. decussata activating carbohydrate metabolism pathways like glycolysis and the TCA cycle, along with amino acid metabolism pathways, whereas A. pruinosa significantly altered the content of multiple small peptides affected amino acid metabolism. Furthermore, the osmoregulatory potential of corals correlates with their ability to survive in heat-stress environments in the wild. This study provides valuable insights into the metabolic mechanisms linked to thermal tolerance in reef-building corals, contributes to the understanding of corals' adaptive potential to heat stress induced by global warming and lays the foundation for developing targeted conservation strategies in the future.
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Affiliation(s)
- Shan Huang
- Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Coral Reef Research Center of China, School of Marine Sciences, Guangxi University, Nanning 530004, China
| | - Li Luo
- Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Coral Reef Research Center of China, School of Marine Sciences, Guangxi University, Nanning 530004, China
| | - Beihua Wen
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China
| | - Xurui Liu
- School of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Kefu Yu
- Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Coral Reef Research Center of China, School of Marine Sciences, Guangxi University, Nanning 530004, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China.
| | - Man Zhang
- Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Coral Reef Research Center of China, School of Marine Sciences, Guangxi University, Nanning 530004, China.
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Lingampelly SS, Naviaux JC, Heuer LS, Monk JM, Li K, Wang L, Haapanen L, Kelland CA, Van de Water J, Naviaux RK. Metabolic network analysis of pre-ASD newborns and 5-year-old children with autism spectrum disorder. Commun Biol 2024; 7:536. [PMID: 38729981 DOI: 10.1038/s42003-024-06102-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 03/22/2024] [Indexed: 05/12/2024] Open
Abstract
Classical metabolomic and new metabolic network methods were used to study the developmental features of autism spectrum disorder (ASD) in newborns (n = 205) and 5-year-old children (n = 53). Eighty percent of the metabolic impact in ASD was caused by 14 shared biochemical pathways that led to decreased anti-inflammatory and antioxidant defenses, and to increased physiologic stress molecules like lactate, glycerol, cholesterol, and ceramides. CIRCOS plots and a new metabolic network parameter,V ° net, revealed differences in both the kind and degree of network connectivity. Of 50 biochemical pathways and 450 polar and lipid metabolites examined, the developmental regulation of the purine network was most changed. Purine network hub analysis revealed a 17-fold reversal in typically developing children. This purine network reversal did not occur in ASD. These results revealed previously unknown metabolic phenotypes, identified new developmental states of the metabolic correlation network, and underscored the role of mitochondrial functional changes, purine metabolism, and purinergic signaling in autism spectrum disorder.
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Affiliation(s)
- Sai Sachin Lingampelly
- The Mitochondrial and Metabolic Disease Center, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
- Department of Medicine, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
| | - Jane C Naviaux
- The Mitochondrial and Metabolic Disease Center, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
- Department of Neuroscience, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
| | - Luke S Heuer
- The UC Davis MIND Institute, University of California, Davis, Davis, CA, 95616, USA
| | - Jonathan M Monk
- The Mitochondrial and Metabolic Disease Center, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
- Department of Medicine, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
| | - Kefeng Li
- The Mitochondrial and Metabolic Disease Center, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
- Department of Medicine, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
- Macao Polytechnic University, Macau, China
| | - Lin Wang
- The Mitochondrial and Metabolic Disease Center, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
- Department of Medicine, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA
| | - Lori Haapanen
- The UC Davis MIND Institute, University of California, Davis, Davis, CA, 95616, USA
| | - Chelsea A Kelland
- The UC Davis MIND Institute, University of California, Davis, Davis, CA, 95616, USA
| | - Judy Van de Water
- The UC Davis MIND Institute, University of California, Davis, Davis, CA, 95616, USA
- Department of Rheumatology and Allergy, School of Veterinary Medicine, University of California, Davis, Davis, CA, 95616, USA
| | - Robert K Naviaux
- The Mitochondrial and Metabolic Disease Center, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA.
- Department of Medicine, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA.
- Department of Pediatrics, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA.
- Department of Pathology, University of California, San Diego School of Medicine, San Diego, CA, 92103-8467, USA.
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Atasu B, Simón-Sánchez J, Hanagasi H, Bilgic B, Hauser AK, Guven G, Heutink P, Gasser T, Lohmann E. Dissecting genetic architecture of rare dystonia: genetic, molecular and clinical insights. J Med Genet 2024; 61:443-451. [PMID: 38458754 DOI: 10.1136/jmg-2022-109099] [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: 12/08/2022] [Accepted: 12/24/2023] [Indexed: 03/10/2024]
Abstract
BACKGROUND Dystonia is one of the most common movement disorders. To date, the genetic causes of dystonia in populations of European descent have been extensively studied. However, other populations, particularly those from the Middle East, have not been adequately studied. The purpose of this study is to discover the genetic basis of dystonia in a clinically and genetically well-characterised dystonia cohort from Turkey, which harbours poorly studied populations. METHODS Exome sequencing analysis was performed in 42 Turkish dystonia families. Using co-expression network (CEN) analysis, identified candidate genes were interrogated for the networks including known dystonia-associated genes and genes further associated with the protein-protein interaction, animal model-based characteristics and clinical findings. RESULTS We identified potentially disease-causing variants in the established dystonia genes (PRKRA, SGCE, KMT2B, SLC2A1, GCH1, THAP1, HPCA, TSPOAP1, AOPEP; n=11 families (26%)), in the uncommon forms of dystonia-associated genes (PCCB, CACNA1A, ALDH5A1, PRKN; n=4 families (10%)) and in the candidate genes prioritised based on the pathogenicity of the variants and CEN-based analyses (n=11 families (21%)). The diagnostic yield was found to be 36%. Several pathways and gene ontologies implicated in immune system, transcription, metabolic pathways, endosomal-lysosomal and neurodevelopmental mechanisms were over-represented in our CEN analysis. CONCLUSIONS Here, using a structured approach, we have characterised a clinically and genetically well-defined dystonia cohort from Turkey, where dystonia has not been widely studied, and provided an uncovered genetic basis, which will facilitate diagnostic dystonia research.
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Affiliation(s)
- Burcu Atasu
- Eberhard Karls Universität Tübingen Hertie Institut für klinische Hirnforschung Allgemeine Neurologie, Tubingen, Germany
| | - Javier Simón-Sánchez
- Eberhard Karls Universität Tübingen Hertie Institut für klinische Hirnforschung Allgemeine Neurologie, Tubingen, Germany
| | - Hasmet Hanagasi
- Department of Neurology, Istanbul University Istanbul Faculty of Medicine, Istanbul, Turkey
| | - Basar Bilgic
- Department of Neurology, Istanbul University Istanbul Faculty of Medicine, Istanbul, Turkey
| | - Ann-Kathrin Hauser
- Eberhard Karls Universität Tübingen Hertie Institut für klinische Hirnforschung Allgemeine Neurologie, Tubingen, Germany
| | - Gamze Guven
- Genetics Department, Aziz Sancar Institute of Experimental Medicine, Istanbul, Turkey
| | | | - Thomas Gasser
- Eberhard Karls Universität Tübingen Hertie Institut für klinische Hirnforschung Allgemeine Neurologie, Tubingen, Germany
| | - Ebba Lohmann
- Eberhard Karls Universität Tübingen Hertie Institut für klinische Hirnforschung Allgemeine Neurologie, Tubingen, Germany
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7
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Alzahem TA, AlTheeb A, Ba-Abbad R. PRPS1-associated retinopathy: a diagnostic odyssey. Ophthalmic Genet 2024:1-5. [PMID: 38619019 DOI: 10.1080/13816810.2024.2321871] [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: 11/06/2023] [Accepted: 02/18/2024] [Indexed: 04/16/2024]
Abstract
PURPOSE This study describes how the diagnosis of Usher syndrome was revised to PRPS1-associated retinopathy and Charcot-Marie-Tooth disease type 5. CASE REPORT A 38-year-old female with bilaterally subnormal vision and non-congenital hearing loss was initially diagnosed with Usher syndrome, based on finding variants in three genes (MYO7A, USH2A, and PCDH15), was re-evaluated at the inherited retinal disorders clinic. She had asymmetric retinopathy and right macular pseudocoloboma. She was also found to have myopathic facies, poor grip strength and atrophy of the calf muscles. Whole exome sequencing including variants in PRPS1 showed a variant (NM_002764.4:c.287 G > A; p.Arg96Gln), which was not detected by targeted Sanger sequencing of the DNA from her mother and sister. CONCLUSION The constellation of asymmetric retinopathy and non-congenital hearing impairment should prompt the clinician to search for other diagnoses that may not be covered by an Usher syndrome next generation sequencing panel. Interpretation of genetic testing results should be correlated with a detailed clinical phenotype.
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Affiliation(s)
- Tariq A Alzahem
- Ocular Genetics Service, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
- Ophthalmology Department, King Saud University Medical City, Riyadh, Saudi Arabia
| | - Abdulwahab AlTheeb
- Ocular Genetics Service, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
| | - Rola Ba-Abbad
- Ocular Genetics Service, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
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8
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Hu Z, Han Y, Hu M, Zhang H, Yuan X, Yu H. A comparative study of cognitive function in young patients with bipolar disorder with and without non-suicidal self-injury. Acta Psychol (Amst) 2024; 243:104137. [PMID: 38228072 DOI: 10.1016/j.actpsy.2024.104137] [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: 09/13/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 01/18/2024] Open
Abstract
OBJECTIVE Bipolar disorder (BD) is a chronic mental disorder characterized by alternating or mixed episodes of mania or hypomania and depression. Cognitive function impairment is a frequent associated feature of the disease. While many BD patients also engage in non-suicidal self-injury (NSSI), there is a lack of studies on the cognitive function of BD patients with NSSI. This study aimed to evaluate cognitive functioning of BD patients with NSSI and provide a clinical basis for the differential diagnosis and treatment of BD and NSSI. METHODS A total of 60 BD patients with NSSI, 60 BD patients without NSSI, and 60 healthy controls (HC) were selected for the study. All participants met the inclusion criteria and were not taking any medications, excluding the potential effects of medication on cognitive functions. The following neurocognitive tests were used to measure the cognitive functions in areas such as speed of processing, reasoning and problem solving, attention/vigilance, working memory, visual learning, and verbal learning: The Trail Making Test (TMT), Category Fluency, Digit Symbol Coding Test (DSCT), Brief Visuospatial Memory Test-Revised (BVMT-R), The Neuropsychological Assessment Battery Mazes (NABM), Wechsler Memory Scale Third Edition Spatial Span Test (WMS III-SST), Hopkins Verbal Learning Test-Revised (HVLTR) and Continuous Performance Test and Identical Prs (CPT-IP). RESULTS The findings indicated that BD patients with NSSI exhibited cognitive impairment in all measured cognitive domains. On the other hand, BD patients without NSSI showed less pronounced impairment in terms of speed of processing, but exhibited significant cognitive impairment in the remaining five areas compared to the HC group. CONCLUSION The study underscores the presence of cognitive impairment in BD, and the cognitive impairment is more severe in BD patients with NSSI compared to those without NSSI. In conclusion, both individuals with NSSI and those without NSSI in BD exhibit cognitive impairment, which provides ideas and strategies for using cognitive-behavioral therapy to treat BD and NSSI.
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Affiliation(s)
- Zhizhong Hu
- School of Marxism, Nanchang University, Nanchang, Jiangxi Province 330031, China.
| | - Yingchun Han
- School of Marxism, Nanchang University, Nanchang, Jiangxi Province 330031, China
| | - Maorong Hu
- Department of Psychosomatic Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Honglin Zhang
- School of Marxism, University of Electronic Science and Technology of China, Sichuan Province 611730, China
| | - Xin Yuan
- Department of Psychosomatic Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Huijuan Yu
- Department of Psychosomatic Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, China
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Ayoub N, Gedeon A, Munier-Lehmann H. A journey into the regulatory secrets of the de novo purine nucleotide biosynthesis. Front Pharmacol 2024; 15:1329011. [PMID: 38444943 PMCID: PMC10912719 DOI: 10.3389/fphar.2024.1329011] [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: 10/27/2023] [Accepted: 02/01/2024] [Indexed: 03/07/2024] Open
Abstract
De novo purine nucleotide biosynthesis (DNPNB) consists of sequential reactions that are majorly conserved in living organisms. Several regulation events take place to maintain physiological concentrations of adenylate and guanylate nucleotides in cells and to fine-tune the production of purine nucleotides in response to changing cellular demands. Recent years have seen a renewed interest in the DNPNB enzymes, with some being highlighted as promising targets for therapeutic molecules. Herein, a review of two newly revealed modes of regulation of the DNPNB pathway has been carried out: i) the unprecedent allosteric regulation of one of the limiting enzymes of the pathway named inosine 5'-monophosphate dehydrogenase (IMPDH), and ii) the supramolecular assembly of DNPNB enzymes. Moreover, recent advances that revealed the therapeutic potential of DNPNB enzymes in bacteria could open the road for the pharmacological development of novel antibiotics.
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Affiliation(s)
- Nour Ayoub
- Institut Pasteur, Université Paris Cité, INSERM UMRS-1124, Paris, France
| | - Antoine Gedeon
- Sorbonne Université, École Normale Supérieure, Université PSL, CNRS UMR7203, Laboratoire des Biomolécules, LBM, Paris, France
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Dos Santos B, Piermartiri T, Tasca CI. The impact of purine nucleosides on neuroplasticity in the adult brain. Purinergic Signal 2024:10.1007/s11302-024-09988-9. [PMID: 38367178 DOI: 10.1007/s11302-024-09988-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 01/23/2024] [Indexed: 02/19/2024] Open
Abstract
Neuroplasticity refers to the nervous system's ability to adapt and reorganize its cell structures and neuronal networks in response to internal and external stimuli. In adults, this process involves neurogenesis, synaptogenesis, and synaptic and neurochemical plasticity. Several studies have reported the significant impact of the purinergic system on neuroplasticity modulation. And, there is considerable evidence supporting the role of purine nucleosides, such as adenosine, inosine, and guanosine, in this process. This review presents extensive research on how these nucleosides enhance the neuroplasticity of the adult central nervous system, particularly in response to damage. The mechanisms through which these nucleosides exert their effects involve complex interactions with various receptors and signaling pathways. Adenosine's influence on neurogenesis involves interactions with adenosine receptors, specifically A1R and A2AR. A1R activation appears to inhibit neuronal differentiation and promote astrogliogenesis, while A2AR activation supports neurogenesis, neuritogenesis, and synaptic plasticity. Inosine and guanosine positively impact cell proliferation, neurogenesis, and neuritogenesis. Inosine seems to modulate extracellular adenosine levels, and guanosine might act through interactions between purinergic and glutamatergic systems. Additionally, the review discusses the potential therapeutic implications of purinergic signaling in neurodegenerative and neuropsychiatric diseases, emphasizing the importance of these nucleosides in the neuroplasticity of brain function and recovery.
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Affiliation(s)
- Beatriz Dos Santos
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
- Programa de Pós-Graduação Em Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Tetsade Piermartiri
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
- Programa de Pós-Graduação Em Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.
| | - Carla I Tasca
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
- Programa de Pós-Graduação Em Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.
- Programa de Pós-Graduação Em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.
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11
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Gu L, Zheng J, Zhang Y, Wang D, Liu J. Selection and Characterization of DNA Aptamers for Cytidine and Uridine. Chembiochem 2024; 25:e202300656. [PMID: 38180305 DOI: 10.1002/cbic.202300656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/30/2023] [Indexed: 01/06/2024]
Abstract
Cytidine and uridine are two essential pyrimidine ribonucleotides, and accurate detection of these nucleosides holds significant biological importance. While many aptamers were reported to bind purines, little success was achieved for pyrimidine binding. This study employs the library-immobilization capture-SELEX technique to isolate aptamers capable of selectively binding to cytidine and uridine. First, a selection was performed using a mixture of cytidine and uridine as the target. This selection led to the isolation of a highly selective aptamer for cytidine with a dissociation constant (Kd ) of 0.9 μM as determined by isothermal titration calorimetry (ITC). In addition, a dual-recognition aptamer was also discovered, which exhibited selective binding to both cytidine and uridine. Subsequently, a separate selection was carried out using uridine as the sole target, and the resulting uridine aptamer displayed a Kd of 4 μM based on a thioflavin T fluorescence assay and a Kd of 102 μM based on ITC. These aptamers do not have a strict requirement of metal ions for binding, and they showed excellent selectivity since no binding was observed with their nucleobases or nucleotides. This study has resulted three aptamers for pyrimidines, which can be employed in biosensors and DNA switches.
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Affiliation(s)
- Lide Gu
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian, 361102, China
- Department of Chemistry, Waterloo Institute for Nanotechnology University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
| | - Jiajie Zheng
- Department of Chemistry, Waterloo Institute for Nanotechnology University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
| | - Yao Zhang
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian, 361102, China
| | - Deli Wang
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian, 361102, China
| | - Juewen Liu
- Department of Chemistry, Waterloo Institute for Nanotechnology University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
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12
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D'Aloia A, Pastori V, Blasa S, Campioni G, Peri F, Sacco E, Ceriani M, Lecchi M, Costa B. A new advanced cellular model of functional cholinergic-like neurons developed by reprogramming the human SH-SY5Y neuroblastoma cell line. Cell Death Discov 2024; 10:24. [PMID: 38216593 PMCID: PMC10786877 DOI: 10.1038/s41420-023-01790-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/11/2023] [Accepted: 12/20/2023] [Indexed: 01/14/2024] Open
Abstract
Modeling human neuronal properties in physiological and pathological conditions is essential to identify novel potential drugs and to explore pathological mechanisms of neurological diseases. For this purpose, we generated a three-dimensional (3D) neuronal culture, by employing the readily available human neuroblastoma SH-SY5Y cell line, and a new differentiation protocol. The entire differentiation process occurred in a matrix and lasted 47 days, with 7 days of pre-differentiation phase and 40 days of differentiation, and allowed the development of a 3D culture in conditions consistent with the physiological environment. Neurons in the culture were electrically active, were able to establish functional networks, and showed features of cholinergic neurons. Hence here we provide an easily accessible, reproducible, and suitable culture method that might empower studies on synaptic function, vesicle trafficking, and metabolism, which sustain neuronal activity and cerebral circuits. Moreover, this novel differentiation protocol could represent a promising cellular tool to study physiological cellular processes, such as migration, differentiation, maturation, and to develop novel therapeutic approaches.
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Affiliation(s)
- Alessia D'Aloia
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy.
| | - Valentina Pastori
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
| | - Stefania Blasa
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
- Milan Center for Neuroscience (NeuroMI), University of Milano-Bicocca, Piazza dell'Ateneo Nuovo 1, 20126, Milano, Italy
| | - Gloria Campioni
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
- SYSBIO-ISBE-IT, Europe, 20126, Milano, Italy
| | - Francesco Peri
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
| | - Elena Sacco
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
- Milan Center for Neuroscience (NeuroMI), University of Milano-Bicocca, Piazza dell'Ateneo Nuovo 1, 20126, Milano, Italy
- SYSBIO-ISBE-IT, Europe, 20126, Milano, Italy
- Inter-University Center for the Promotion of the 3Rs Principles in Teaching & Research, Pisa, Italy
| | - Michela Ceriani
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
- Milan Center for Neuroscience (NeuroMI), University of Milano-Bicocca, Piazza dell'Ateneo Nuovo 1, 20126, Milano, Italy
| | - Marzia Lecchi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
- Milan Center for Neuroscience (NeuroMI), University of Milano-Bicocca, Piazza dell'Ateneo Nuovo 1, 20126, Milano, Italy
- Inter-University Center for the Promotion of the 3Rs Principles in Teaching & Research, Pisa, Italy
| | - Barbara Costa
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy
- Milan Center for Neuroscience (NeuroMI), University of Milano-Bicocca, Piazza dell'Ateneo Nuovo 1, 20126, Milano, Italy
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13
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Hough D, Mao AR, Aman M, Lozano R, Smith-Hicks C, Martinez-Cerdeno V, Derby M, Rome Z, Malan N, Findling RL. Randomized clinical trial of low dose suramin intravenous infusions for treatment of autism spectrum disorder. Ann Gen Psychiatry 2023; 22:45. [PMID: 37932739 PMCID: PMC10626700 DOI: 10.1186/s12991-023-00477-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 10/24/2023] [Indexed: 11/08/2023] Open
Abstract
BACKGROUND There is a critical need for effective treatment of the core symptoms of autism spectrum disorder (ASD). The purinergic antagonist suramin may improve core symptoms through restoration of normal mitochondrial function and reduction of neuro-inflammation via its known antagonism of P2X and P2Y receptors. Nonclinical studies in fragile X knockout mice and the maternal immune activation model support these hypotheses. METHODS We conducted a 14 week, randomized, double-blind, placebo-controlled proof -of-concept study (N = 52) to test the efficacy and safety of suramin intravenous infusions in boys aged 4-15 years with moderate to severe ASD. The study had 3 treatment arms: 10 mg/kg suramin, 20 mg/kg suramin, and placebo given at baseline, week 4, and week 8. The Aberrant Behavior Checklist of Core Symptoms (ABC-Core) (subscales 2, 3, and 5) was the primary endpoint and the Clinical Global Impressions-Improvement (CGI-I) was a secondary endpoint. RESULTS Forty-four subjects completed the study. The 10 mg/kg suramin group showed a greater, but statistically non-significant, numeric improvement (- 12.5 ± 3.18 [mean ± SE]) vs. placebo (- 8.9 ± 2.86) in ABC-Core at Week 14. The 20 mg/kg suramin group did not show improvement over placebo. In exploratory analyses, the 10 mg/kg arm showed greater ABC Core differences from placebo in younger subjects and among those with less severe symptoms. In CGI-I, the 10 mg/kg arm showed a statistically significant improvement from baseline (2.8 ± 0.30 [mean ± SE]) compared to placebo (1.7 ± 0.27) (p = 0.016). The 20 mg/kg arm had a 2.0 ± 0.28 improvement in CGI-I, which was not statistically significant compared to placebo (p = 0.65). CONCLUSION Suramin was generally safe and well tolerated over 14 weeks; most adverse events were mild to moderate in severity. Trial Registration Registered with the South African Health Authority, registration number DOH-27-0419-6116. CLINICALTRIALS Gov registration ID is NCT06058962, last update posted 2023-09-28.
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Affiliation(s)
- David Hough
- PaxMedica, Inc, sponsor of the study, 303 S Broadway, Suite 125, Tarrytown, NY, 10591, USA.
| | - Alice R Mao
- Psychiatry and Behavioral Sciences, Baylor College of Medicine and PaxMedica, Inc., Houston, Texas, USA
| | - Michael Aman
- O.S.U. Research Unit on Pediatric Psychopharmacology (RUPP), Research, Nisonger Center at The Ohio State University, Columbus, Ohio, USA
| | - Reymundo Lozano
- Genetics and Genomics Sciences, Psychiatry and Pediatrics, Icahn School of Medicine, Mount Sinai, New York, NY, USA
- Director of Fragile X Syndrome Clinical at Mount Sinai Hospital, New York City, New York, USA
| | - Constance Smith-Hicks
- Neurology, Kennedy Krieger Institute, Johns Hopkins Univ School of Medicine, Baltimore, MD, USA
| | - Veronica Martinez-Cerdeno
- Pathology and Laboratory Medicine, Anatomy of Autism and FXS laboratory, Institute for Pediatric Regenerative Medicine, Shriners Hospital of Northern California, and UCD MIND Institute. Pathology Director of the FXS & FXTAS brain repository at UCD, University of California Davis School of Medicine, Davis, California, USA
| | - Michael Derby
- Tardimed Sciences LLC., PaxMedica, Inc., Tarrytown, New York, USA
| | | | - Niel Malan
- Phoenix Pharma LTD, 2 Eastbourne Rd, Mt Croix, Port Elizabeth, South Africa
| | - Robert L Findling
- Chair, Department of Psychiatry, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
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14
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Boissart C, Lasbareilles M, Tournois J, Chatrousse L, Poullion T, Benchoua A. Identification of signaling pathways modifying human dopaminergic neuron development using a pluripotent stem cell-based high-throughput screening automated system: purinergic pathways as a proof-of-principle. Front Pharmacol 2023; 14:1152180. [PMID: 37435497 PMCID: PMC10331426 DOI: 10.3389/fphar.2023.1152180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 06/12/2023] [Indexed: 07/13/2023] Open
Abstract
Introduction: Alteration in the development, maturation, and projection of dopaminergic neurons has been proposed to be associated with several neurological and psychiatric disorders. Therefore, understanding the signals modulating the genesis of human dopaminergic neurons is crucial to elucidate disease etiology and develop effective countermeasures. Methods: In this study, we developed a screening model using human pluripotent stem cells to identify the modulators of dopaminergic neuron genesis. We set up a differentiation protocol to obtained floorplate midbrain progenitors competent to produce dopaminergic neurons and seeded them in a 384-well screening plate in a fully automated manner. Results and Discussion: These progenitors were treated with a collection of small molecules to identify the compounds increasing dopaminergic neuron production. As a proof-of-principle, we screened a library of compounds targeting purine- and adenosine-dependent pathways and identified an adenosine receptor 3 agonist as a candidate molecule to increase dopaminergic neuron production under physiological conditions and in cells invalidated for the HPRT1 gene. This screening model can provide important insights into the etiology of various diseases affecting the dopaminergic circuit development and plasticity and be used to identify therapeutic molecules for these diseases.
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Affiliation(s)
- Claire Boissart
- CECS, I-STEM, AFM, Neuroplasticity and Therapeutics, Corbeil-Essonnes, France
| | - Marie Lasbareilles
- CECS, I-STEM, AFM, Neuroplasticity and Therapeutics, Corbeil-Essonnes, France
- INSERM UMR 861, I-STEM, AFM, Corbeil-Essonnes, France
- UEVE UMR 861, I-STEM, AFM, Corbeil-Essonnes, France
| | - Johana Tournois
- CECS, I-STEM, AFM, Research and Technological Innovation, High Throughput Screening Plateform, Corbeil-Essonnes, France
| | - Laure Chatrousse
- CECS, I-STEM, AFM, Neuroplasticity and Therapeutics, Corbeil-Essonnes, France
| | - Thifaine Poullion
- CECS, I-STEM, AFM, Neuroplasticity and Therapeutics, Corbeil-Essonnes, France
| | - Alexandra Benchoua
- CECS, I-STEM, AFM, Neuroplasticity and Therapeutics, Corbeil-Essonnes, France
- CECS, I-STEM, AFM, Research and Technological Innovation, High Throughput Screening Plateform, Corbeil-Essonnes, France
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15
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Boccazzi M, Raffaele S, Zanettin T, Abbracchio MP, Fumagalli M. Altered Purinergic Signaling in Neurodevelopmental Disorders: Focus on P2 Receptors. Biomolecules 2023; 13:biom13050856. [PMID: 37238724 DOI: 10.3390/biom13050856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/09/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
With the umbrella term 'neurodevelopmental disorders' (NDDs) we refer to a plethora of congenital pathological conditions generally connected with cognitive, social behavior, and sensory/motor alterations. Among the possible causes, gestational and perinatal insults have been demonstrated to interfere with the physiological processes necessary for the proper development of fetal brain cytoarchitecture and functionality. In recent years, several genetic disorders caused by mutations in key enzymes involved in purine metabolism have been associated with autism-like behavioral outcomes. Further analysis revealed dysregulated purine and pyrimidine levels in the biofluids of subjects with other NDDs. Moreover, the pharmacological blockade of specific purinergic pathways reversed the cognitive and behavioral defects caused by maternal immune activation, a validated and now extensively used rodent model for NDDs. Furthermore, Fragile X and Rett syndrome transgenic animal models as well as models of premature birth, have been successfully utilized to investigate purinergic signaling as a potential pharmacological target for these diseases. In this review, we examine results on the role of the P2 receptor signaling in the etiopathogenesis of NDDs. On this basis, we discuss how this evidence could be exploited to develop more receptor-specific ligands for future therapeutic interventions and novel prognostic markers for the early detection of these conditions.
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Affiliation(s)
- Marta Boccazzi
- Laboratory of Molecular and Cellular Pharmacology of Purinergic Transmission, Department of Pharmaceutical Sciences, Università Degli Studi di Milano, 20133 Milan, Italy
| | - Stefano Raffaele
- Laboratory of Molecular and Cellular Pharmacology of Purinergic Transmission, Department of Pharmacological and Biomolecular Sciences, Università Degli Studi di Milano, 20133 Milan, Italy
| | - Thomas Zanettin
- Laboratory of Molecular and Cellular Pharmacology of Purinergic Transmission, Department of Pharmacological and Biomolecular Sciences, Università Degli Studi di Milano, 20133 Milan, Italy
| | - Maria P Abbracchio
- Laboratory of Molecular and Cellular Pharmacology of Purinergic Transmission, Department of Pharmaceutical Sciences, Università Degli Studi di Milano, 20133 Milan, Italy
| | - Marta Fumagalli
- Laboratory of Molecular and Cellular Pharmacology of Purinergic Transmission, Department of Pharmacological and Biomolecular Sciences, Università Degli Studi di Milano, 20133 Milan, Italy
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16
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Dual Role of the P2X7 Receptor in Dendritic Outgrowth during Physiological and Pathological Brain Development. J Neurosci 2023; 43:1125-1142. [PMID: 36732073 PMCID: PMC9962779 DOI: 10.1523/jneurosci.0805-22.2022] [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: 04/22/2022] [Revised: 11/11/2022] [Accepted: 11/15/2022] [Indexed: 02/04/2023] Open
Abstract
At high levels, extracellular ATP operates as a "danger" molecule under pathologic conditions through purinergic receptors, including the ionotropic P2X7 receptor (P2X7R). Its endogenous activation is associated with neurodevelopmental disorders; however, its function during early embryonic stages remains largely unclear. Our objective was to determine the role of P2X7R in the regulation of neuronal outgrowth. For this purpose, we performed Sholl analysis of dendritic branches on primary hippocampal neurons and in acute hippocampal slices from WT mice and mice with genetic deficiency or pharmacological blockade of P2X7R. Because abnormal dendritic branching is a hallmark of certain neurodevelopmental disorders, such as schizophrenia, a model of maternal immune activation (MIA)-induced schizophrenia, was used for further morphologic investigations. Subsequently, we studied MIA-induced behavioral deficits in young adult mice females and males. Genetic deficiency or pharmacological blockade of P2X7R led to branching deficits under physiological conditions. Moreover, pathologic activation of the receptor led to deficits in dendritic outgrowth on primary neurons from WT mice but not those from P2X7R KO mice exposed to MIA. Likewise, only MIA-exposed WT mice displayed schizophrenia-like behavioral and cognitive deficits. Therefore, we conclude that P2X7R has different roles in the development of hippocampal dendritic arborization under physiological and pathologic conditions.SIGNIFICANCE STATEMENT Our main finding is a novel role for P2X7R in neuronal branching in the early stages of development under physiological conditions. We show how a decrease in the expression of P2X7R during brain development causes the receptor to play pathologic roles in adulthood. Moreover, we studied a neurodevelopmental model of schizophrenia and found that, at higher ATP concentrations, endogenous activation of P2X7R is necessary and sufficient for the development of positive and cognitive symptoms.
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Navarro L, Gómez-Carballa A, Pischedda S, Montoto-Louzao J, Viz-Lasheras S, Camino-Mera A, Hinault T, Martinón-Torres F, Salas A. Sensogenomics of music and Alzheimer's disease: An interdisciplinary view from neuroscience, transcriptomics, and epigenomics. Front Aging Neurosci 2023; 15:1063536. [PMID: 36819725 PMCID: PMC9935844 DOI: 10.3389/fnagi.2023.1063536] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 01/11/2023] [Indexed: 02/05/2023] Open
Abstract
Introduction The relationship between music and Alzheimer's disease (AD) has been approached by different disciplines, but most of our outstanding comes from neuroscience. Methods First, we systematically reviewed the state-of-the-art of neuroscience and cognitive sciences research on music and AD (>100 studies), and the progress made on the therapeutic impact of music stimuli in memory. Next, we meta-analyzed transcriptomic and epigenomic data of AD patients to search for commonalities with genes and pathways previously connected to music in genome association, epigenetic, and gene expression studies. Results Our findings indicate that >93% of the neuroscience/ cognitive sciences studies indicate at least one beneficial effect of music on patients with neurodegenerative diseases, being improvements on memory and cognition the most frequent outcomes; other common benefits were on social behavior, mood and emotion, anxiety and agitation, quality of life, and depression. Out of the 334 music-related genes, 127 (38%) were found to be linked to epigenome/transcriptome analysis in AD (vs. healthy controls); some of them (SNCA, SLC6A4, ASCC2, FTH1, PLAUR and ARHGAP26) have been reported to be associated e.g. with musical aptitude and music effect on the transcriptome. Other music-related genes (GMPR, SELENBP1 and ADIPOR1) associated to neuropsychiatric, neurodegenerative diseases and music performance, emerged as hub genes in consensus co-expression modules detected between AD and music estimulated transcriptomes. In addition, we found connections between music, AD and dopamine related genes, with SCNA being the most remarkable - a gene previously associated with learning and memory, and neurodegenerative disorders (e.g., Parkinson's disease and AD). Discussion The present study indicate that the vast majority of neuroscientific studies unambiguously show that music has a beneficial effect on health, being the most common benefits relevant to Alzheimer's disease. These findings illuminate a new roadmap for genetic research in neurosciences, and musical interventions in AD and other neurodegenerative conditions.
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Affiliation(s)
- Laura Navarro
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain,Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, and GenPoB Research Group, Instituto de Investigación Sanitaria (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Santiago de Compostela, Galicia, Spain,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBER-ES), Madrid, Spain
| | - Alberto Gómez-Carballa
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain,Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, and GenPoB Research Group, Instituto de Investigación Sanitaria (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Santiago de Compostela, Galicia, Spain,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBER-ES), Madrid, Spain
| | - Sara Pischedda
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain,Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, and GenPoB Research Group, Instituto de Investigación Sanitaria (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Santiago de Compostela, Galicia, Spain,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBER-ES), Madrid, Spain
| | - Julián Montoto-Louzao
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain,Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, and GenPoB Research Group, Instituto de Investigación Sanitaria (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Santiago de Compostela, Galicia, Spain,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBER-ES), Madrid, Spain
| | - Sandra Viz-Lasheras
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain,Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, and GenPoB Research Group, Instituto de Investigación Sanitaria (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Santiago de Compostela, Galicia, Spain,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBER-ES), Madrid, Spain
| | - Alba Camino-Mera
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain,Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, and GenPoB Research Group, Instituto de Investigación Sanitaria (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Santiago de Compostela, Galicia, Spain,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBER-ES), Madrid, Spain
| | - Thomas Hinault
- Normandie Université, UNICAEN, PSL Université Paris, EPHE, Inserm, U1077, CHU de Caen, Centre Cyceron, Neuropsychologie et Imagerie de la Mémoire Humaine, Caen, France
| | - Federico Martinón-Torres
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBER-ES), Madrid, Spain,Translational Pediatrics and Infectious Diseases, Department of Pediatrics, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Galicia, Spain
| | - Antonio Salas
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain,Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, and GenPoB Research Group, Instituto de Investigación Sanitaria (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Santiago de Compostela, Galicia, Spain,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBER-ES), Madrid, Spain,*Correspondence: Antonio Salas, ✉
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18
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Robertson GL, Riffle S, Patel M, Bodnya C, Marshall A, Beasley HK, Garza-Lopez E, Shao J, Vue Z, Hinton A, Stoll MS, de Wet S, Theart RP, Chakrabarty RP, Loos B, Chandel NS, Mears JA, Gama V. DRP1 mutations associated with EMPF1 encephalopathy alter mitochondrial membrane potential and metabolic programs. J Cell Sci 2023; 136:jcs260370. [PMID: 36763487 PMCID: PMC10657212 DOI: 10.1242/jcs.260370] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 12/22/2022] [Indexed: 02/11/2023] Open
Abstract
Mitochondria and peroxisomes are dynamic signaling organelles that constantly undergo fission, driven by the large GTPase dynamin-related protein 1 (DRP1; encoded by DNM1L). Patients with de novo heterozygous missense mutations in DNM1L present with encephalopathy due to defective mitochondrial and peroxisomal fission (EMPF1) - a devastating neurodevelopmental disease with no effective treatment. To interrogate the mechanisms by which DRP1 mutations cause cellular dysfunction, we used human-derived fibroblasts from patients who present with EMPF1. In addition to elongated mitochondrial morphology and lack of fission, patient cells display lower coupling efficiency, increased proton leak and upregulation of glycolysis. Mitochondrial hyperfusion also results in aberrant cristae structure and hyperpolarized mitochondrial membrane potential. Peroxisomes show a severely elongated morphology in patient cells, which is associated with reduced respiration when cells are reliant on fatty acid oxidation. Metabolomic analyses revealed impaired methionine cycle and synthesis of pyrimidine nucleotides. Our study provides insight into the role of mitochondrial dynamics in cristae maintenance and the metabolic capacity of the cell, as well as the disease mechanism underlying EMPF1.
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Affiliation(s)
| | - Stellan Riffle
- Vanderbilt University, Cell and Developmental Biology, Nashville, TN 37232, USA
| | - Mira Patel
- Vanderbilt University, Cell and Developmental Biology, Nashville, TN 37232, USA
| | - Caroline Bodnya
- Vanderbilt University, Cell and Developmental Biology, Nashville, TN 37232, USA
| | - Andrea Marshall
- Vanderbilt University, Molecular Physiology and Biophysics, Nashville, TN 37232, USA
| | - Heather K. Beasley
- Vanderbilt University, Molecular Physiology and Biophysics, Nashville, TN 37232, USA
| | - Edgar Garza-Lopez
- Vanderbilt University, Molecular Physiology and Biophysics, Nashville, TN 37232, USA
| | - Jianqiang Shao
- Central Microscopy Research Facility, University of Iowa, Iowa City, IA 52246, USA
| | - Zer Vue
- Vanderbilt University, Molecular Physiology and Biophysics, Nashville, TN 37232, USA
| | - Antentor Hinton
- Vanderbilt University, Molecular Physiology and Biophysics, Nashville, TN 37232, USA
| | - Maria S. Stoll
- Case Western Reserve University, Department of Pharmacology and Center for Mitochondrial Diseases, Cleveland, OH 44106, USA
| | - Sholto de Wet
- Stellenbosch University, Department of Physiological Sciences, Matieland, 7602, Stellenbosch, South Africa
| | - Rensu P. Theart
- Stellenbosch University, Department of Electrical and Electronic Engineering, Matieland, 7602, Stellenbosch, South Africa
| | - Ram Prosad Chakrabarty
- Northwestern University, Feinberg School of Medicine Department of Medicine Division of Pulmonary and Critical Care Medicine, Chicago, IL 60611, USA
| | - Ben Loos
- Stellenbosch University, Department of Electrical and Electronic Engineering, Matieland, 7602, Stellenbosch, South Africa
| | - Navdeep S. Chandel
- Northwestern University, Feinberg School of Medicine Department of Medicine Division of Pulmonary and Critical Care Medicine, Chicago, IL 60611, USA
- Northwestern University, Feinberg School of Medicine Department of Biochemistry and Molecular Genetics, Chicago, IL 60611, USA
| | - Jason A. Mears
- Case Western Reserve University, Department of Pharmacology and Center for Mitochondrial Diseases, Cleveland, OH 44106, USA
| | - Vivian Gama
- Vanderbilt University, Cell and Developmental Biology, Nashville, TN 37232, USA
- Vanderbilt University, Vanderbilt Center for Stem Cell Biology, Nashville, TN 37232, USA
- Vanderbilt University, Vanderbilt Brain Institute, Nashville, TN 37232, USA
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19
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Wang X, Gao Z, Zhou W. Mass spectrometry-based quantitation combined with time-dependent metabolomics to discover metabolic features in human neurogenesis using neural constructs generated from neural progenitor cells. Analyst 2023; 148:609-617. [PMID: 36594636 DOI: 10.1039/d2an01162j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Direct studies focusing on the human brain are difficult to plan and conduct due to ethical and practical reasons. The advent of human pluripotent stem cell (hPSC)-derived neurons has revolutionized the research of the human brain and central nervous system, but relevant analytical techniques have been much less explored. Herein, we have designed a novel bioanalytical strategy to discover the characteristics of human neurogenesis using liquid chromatography-mass spectrometry-based quantitation and time-dependent metabolomics in combination with hPSC-derived neural constructs. To examine the growth of neurons in vitro, a quantitative method for the simultaneous measurement of N-acetylaspartic acid (NAA) and N-acetylglutamic acid (NAG) in a culture medium was established. The analysis of endogenous NAA and NAG concentrations over 28 days of neural cell culture not only illustrated the growth and maturation process of neural progenitors, but also confirmed the successful achievement of human neural constructs. Depending on the quantitative results, day 0, 10, 18, and 28 samples representing different growth phases were selected for further investigation of the global metabolic changes in developing human neurons. A versatile non-targeted, time-dependent metabolomics study identified 17 significantly changed metabolites and revealed the altered metabolic pathways including amino acid metabolism (tryptophan, phenylalanine, aspartate and beta-alanine metabolisms), pantothenate and coenzyme A biosynthesis, fatty acid metabolism, and purine and pyrimidine metabolism. The new metabolite profiles and overall metabolic pathways advance our understanding of human neurodevelopment. Additionally, the bioanalytical approach proposed in this study opens an interesting window for the capture and evaluation of the complex metabolic states of human neural cells, which would potentially be utilized in other in vitro models relevant to pathophysiology and treatment of neurological disorders, benefiting biomarker discovery and metabolic mechanism interpretation.
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Affiliation(s)
- Xin Wang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China.
| | - Zhenye Gao
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China.
| | - Wenxiu Zhou
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China.
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20
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Kaur H, Singh V, Kalia M, Mohan B, Taneja N. Identification and functional annotation of hypothetical proteins of uropathogenic Escherichia coli strain CFT073 towards designing antimicrobial drug targets. J Biomol Struct Dyn 2022; 40:14084-14095. [PMID: 34751095 DOI: 10.1080/07391102.2021.2000499] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Urinary tract infections are a serious health concern worldwide, especially in developing countries. Escherichia coli strain CFT073 is a highly virulent pathogenic bacterial strain. CFT073 proteome contains 4897 proteins, out of which 992 have been classified as hypothetical proteins. Identification and characterization of hypothetical proteins can aid in the selection of targets for drug design. In this study, we studied the hypothetical proteins from the UPEC strain CFT073 using various computational tools. By NCBI-CDD, 376 protein sequences showed conserved domains. Based on the functional motifs in their primary sequences, we classified these 376 hypothetical proteins into 7 functional categories. Further KEGG database was used to find the roles of these hypothetical proteins in several pathways. Protein interaction network analysis of hypothetical proteins identified 53 proteins as highly interacting metabolic proteins. Virulence factor analysis of the proteins identified 8 proteins as virulent. We conducted a non-homology search for the identified proteins of UPEC in the available human proteome. We observed that 35 proteins are non-homologous to humans and hence could be selected for drug designing targets. Qualitative characterization of the selected 35 non-homologous hypothetical proteins including essentiality analysis and evaluation of druggability by similarity search against drug bank database was performed. Out of these 35 proteins, three-dimensional structures of six proteins (NP_752562.1, NP_756345.1, NP_754893.1, NP_756600.2, NP_755264.1 and NP_752994.1) could be successfully modelled. These new annotations can help to better understand disease mechanisms at the molecular level, as well as provide new targets for drug development against the UPEC strain CFT073.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Harpreet Kaur
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Vikram Singh
- Center of Computational Biology and Bioinformatics, Central University of Himachal Pradesh, Dharamshala, India
| | - Manmohit Kalia
- Department of Biology, State University of New York, Binghamton, NY, USA
| | - Balvinder Mohan
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Neelam Taneja
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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21
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Metabolites of De Novo Purine Synthesis: Metabolic Regulators and Cytotoxic Compounds. Metabolites 2022; 12:metabo12121210. [PMID: 36557247 PMCID: PMC9788633 DOI: 10.3390/metabo12121210] [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: 10/10/2022] [Revised: 11/20/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022] Open
Abstract
Cytotoxicity of de novo purine synthesis (DNPS) metabolites is critical to the pathogenesis of three known and one putative autosomal recessive disorder affecting DNPS. These rare disorders are caused by biallelic mutations in the DNPS genes phosphoribosylformylglycineamidine synthase (PFAS), phosphoribosylaminoimidazolecarboxylase/phosphoribosylaminoimidazolesuccinocarboxamide synthase (PAICS), adenylosuccinate lyase (ADSL), and aminoimidazole carboxamide ribonucleotide transformylase/inosine monophosphate cyclohydrolase (ATIC) and are clinically characterized by developmental abnormalities, psychomotor retardation, and nonspecific neurological impairment. At a biochemical level, loss of function of specific mutated enzymes results in elevated levels of DNPS ribosides in body fluids. The main pathogenic effect is attributed to the accumulation of DNPS ribosides, which are postulated to be toxic to the organism. Therefore, we decided to characterize the uptake and flux of several DNPS metabolites in HeLa cells and the impact of DNPS metabolites to viability of cancer cell lines and primary skin fibroblasts. We treated cells with DNPS metabolites and followed their flux in purine synthesis and degradation. In this study, we show for the first time the transport of formylglycinamide ribotide (FGAR), aminoimidazole ribotide (AIR), succinylaminoimidazolecarboxamide ribotide (SAICAR), and aminoimidazolecarboxamide ribotide (AICAR) into cells and their flux in DNPS and the degradation pathway. We found diminished cell viability mostly in the presence of FGAR and AIR. Our results suggest that direct cellular toxicity of DNPS metabolites may not be the primary pathogenetic mechanism in these disorders.
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22
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Boktor JC, Adame MD, Rose DR, Schumann CM, Murray KD, Bauman MD, Careaga M, Mazmanian SK, Ashwood P, Needham BD. Global metabolic profiles in a non-human primate model of maternal immune activation: implications for neurodevelopmental disorders. Mol Psychiatry 2022; 27:4959-4973. [PMID: 36028571 PMCID: PMC9772216 DOI: 10.1038/s41380-022-01752-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 08/02/2022] [Accepted: 08/12/2022] [Indexed: 01/14/2023]
Abstract
Epidemiological evidence implicates severe maternal infections as risk factors for neurodevelopmental disorders, such as ASD and schizophrenia. Accordingly, animal models mimicking infection during pregnancy, including the maternal immune activation (MIA) model, result in offspring with neurobiological, behavioral, and metabolic phenotypes relevant to human neurodevelopmental disorders. Most of these studies have been performed in rodents. We sought to better understand the molecular signatures characterizing the MIA model in an organism more closely related to humans, rhesus monkeys (Macaca mulatta), by evaluating changes in global metabolic profiles in MIA-exposed offspring. Herein, we present the global metabolome in six peripheral tissues (plasma, cerebrospinal fluid, three regions of intestinal mucosa scrapings, and feces) from 13 MIA and 10 control offspring that were confirmed to display atypical neurodevelopment, elevated immune profiles, and neuropathology. Differences in lipid, amino acid, and nucleotide metabolism discriminated these MIA and control samples, with correlations of specific metabolites to behavior scores as well as to cytokine levels in plasma, intestinal, and brain tissues. We also observed modest changes in fecal and intestinal microbial profiles, and identify differential metabolomic profiles within males and females. These findings support a connection between maternal immune activation and the metabolism, microbiota, and behavioral traits of offspring, and may further the translational applications of the MIA model and the advancement of biomarkers for neurodevelopmental disorders such as ASD or schizophrenia.
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Affiliation(s)
- Joseph C Boktor
- Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Mark D Adame
- Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Destanie R Rose
- Department of Medical Microbiology and Immunology, University of California Davis, Davis, CA, 95616, USA
- The M.I.N.D. Institute, University of California, Davis, Sacramento, CA, 95817, USA
| | - Cynthia M Schumann
- The M.I.N.D. Institute, University of California, Davis, Sacramento, CA, 95817, USA
| | - Karl D Murray
- The M.I.N.D. Institute, University of California, Davis, Sacramento, CA, 95817, USA
| | - Melissa D Bauman
- The M.I.N.D. Institute, University of California, Davis, Sacramento, CA, 95817, USA
| | - Milo Careaga
- Department of Medical Microbiology and Immunology, University of California Davis, Davis, CA, 95616, USA
- The M.I.N.D. Institute, University of California, Davis, Sacramento, CA, 95817, USA
| | - Sarkis K Mazmanian
- Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Paul Ashwood
- Department of Medical Microbiology and Immunology, University of California Davis, Davis, CA, 95616, USA.
- The M.I.N.D. Institute, University of California, Davis, Sacramento, CA, 95817, USA.
| | - Brittany D Needham
- Department of Anatomy, Cell Biology & Physiology, Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.
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Othman IM, Alamshany ZM, Tashkandi NY, Nossier ES, Anwar MM, Radwan HA. Chemical synthesis and molecular docking study of new thiazole, thiophene, and thieno[2,3-d]pyrimidine derivatives as potential antiproliferative and antimicrobial agents. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Arias S, Estrada V, Ortiz IC, Molina FJ, Agudelo JR. Biological toxicity risk assessment of two potential neutral carbon diesel fuel substitutes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 308:119677. [PMID: 35753542 DOI: 10.1016/j.envpol.2022.119677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/15/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
We investigated the biological response of soluble organic fraction (SOF) and water-soluble fraction (WSF) extracted from particulate matter (PM) emitted by an automotive diesel engine operating in a representative urban driving condition. The engine was fueled with ultra-low sulfur diesel (ULSD), and its binary blends by volume with 13% of butanol (Bu13), and with hydrotreated vegetable oil (HVO) at 13% (HVO13) and 20% (HVO20). Cytotoxicity, genotoxicity, oxidative DNA damage and ecotoxicity tests were carried out, and 16 polycyclic aromatic hydrocarbons (PAH) expressed as tbenzo(a)pyrene total toxicity equivalent (BaP-TEQ) were also analyzed. The Hepatocarcinoma epithelial cell line (HepG2) was exposed to SOF for 24 h and analyzed using comet assay, with the inclusion of formamidopyrimidine DNA glycosylase (FPG) and endonuclease III (Endo III) to recognize oxidized DNA bases. The WSF was evaluated through acute ecotoxicity tests with the aquatic microcrustacean Daphnia pulex (D. Pulex). Results showed that there was no cytotoxic activity for all tested SOF concentrations. Genotoxic responses by all the SOF samples were at same level, except for the HVO13 which was weaker in the absence of the enzymes. The addition of the FPG and Endo III enzymes resulted in a significant increase in the comet tail, indicating that the DNA damage from SOF for all tested fuel blends involves oxidative damage including a higher level of oxidized purines for ULSD and Bu13 in comparison with HVO blends, but the oxidized pyrimidines for HVO blends were slightly higher compared to Bu13. The WSF did not show acute ecotoxicity for any of the fuels. Unlike other samples, Bu13-derived particles significantly increase the BaP-TEQ. The contribution to the genotoxic activity and oxidative DNA from SOF was not correlated to BaP-TEQ, which means that the biological activity of PM might be affected also by other toxic compounds present in particulate phase.
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Affiliation(s)
- Silvana Arias
- Grupo de Investigación en Gestión y Modelación Ambiental-GAIA, Escuela Ambiental, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia; Grupo de Manejo Eficiente de la Energía -GIMEL, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia.
| | - Verónica Estrada
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, UPB, Calle 78B 72A - 109, Medellín, Colombia
| | - Isabel C Ortiz
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, UPB, Calle 78B 72A - 109, Medellín, Colombia
| | - Francisco J Molina
- Grupo de Investigación en Gestión y Modelación Ambiental-GAIA, Escuela Ambiental, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia
| | - John R Agudelo
- Grupo de Manejo Eficiente de la Energía -GIMEL, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia
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25
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Sudan S, Zhan X, Li J. A Novel Probiotic Bacillus subtilis Strain Confers Cytoprotection to Host Pig Intestinal Epithelial Cells during Enterotoxic Escherichia coli Infection. Microbiol Spectr 2022; 10:e0125721. [PMID: 35736372 PMCID: PMC9430607 DOI: 10.1128/spectrum.01257-21] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 05/26/2022] [Indexed: 01/13/2023] Open
Abstract
Enteric infections caused by enterotoxic Escherichia coli (ETEC) negatively impact the growth performance of piglets during weaning, resulting in significant economic losses for the producers. With the ban on antibiotic usage in livestock production, probiotics have gained a lot of attention as a potential alternative. However, strain specificity and limited knowledge on the host-specific targets limit their efficacy in preventing ETEC-related postweaning enteric infections. We recently isolated and characterized a novel probiotic Bacillus subtilis bacterium (CP9) that demonstrated antimicrobial activity. Here, we report anti-ETEC properties of CP9 and its impact on metabolic activity of swine intestinal epithelial (IPEC-J2) cells. Our results showed that pre- or coincubation with CP9 protected IPEC-J2 cells from ETEC-induced cytotoxicity. CP9 significantly attenuated ETEC-induced inflammatory response by reducing ETEC-induced nitric oxide production and relative mRNA expression of the Toll-like receptors (TLRs; TLR2, TLR4, and TLR9), proinflammatory tumor necrosis factor alpha, interleukins (ILs; IL-6 and IL-8), augmenting anti-inflammatory granulocyte-macrophage colony-stimulating factor and host defense peptide mucin 1 (MUC1) mRNA levels. We also show that CP9 significantly (P < 0.05) reduced caspase-3 activity, reinstated cell proliferation and increased relative expression of tight junction genes, claudin-1, occludin, and zona occludens-1 in ETEC-infected cells. Finally, metabolomic analysis revealed that CP9 exposure induced metabolic modulation in IPEC J2 cells with the greatest impact seen in alanine, aspartate, and glutamate metabolism; pyrimidine metabolism; nicotinate and nicotinamide metabolism; glutathione metabolism; the citrate cycle (TCA cycle); and arginine and proline metabolism. Our study shows that CP9 incubation attenuated ETEC-induced cytotoxicity in IPEC-J2 cells and offers insight into potential application of this probiotic for ETEC infection control. IMPORTANCE ETEC remains one of the leading causes of postweaning diarrhea and mortality in swine production. Due to the rising concerns with the antibiotic use in livestock, alternative interventions need to be developed. In this study, we analyzed the cytoprotective effect of a novel probiotic strain in combating ETEC infection in swine intestinal cells, along with assessing its mechanism of action. To our knowledge, this is also the first study to analyze the metabolic impact of a probiotic on intestinal cells. Results from this study should provide effective cues in developing a probiotic intervention for ameliorating ETEC infection and improving overall gut health in swine production.
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Affiliation(s)
- Sudhanshu Sudan
- Department of Animal Biosciences, University of Guelph, Guelph, Ontario, Canada
| | - Xiaoshu Zhan
- Department of Animal Biosciences, University of Guelph, Guelph, Ontario, Canada
| | - Julang Li
- Department of Animal Biosciences, University of Guelph, Guelph, Ontario, Canada
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Chatzimitakos T, Chousidis I, Leonardos D, Stalikas C, Leonardos I. In the Swim of Cannabis: Developmental Toxicity and Metabolomic Pathway Alterations of Zebrafish Larvae Exposed to THC for the Assessment of Its Potential Environmental and Human Health Impact. Molecules 2022; 27:molecules27175506. [PMID: 36080275 PMCID: PMC9458094 DOI: 10.3390/molecules27175506] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/15/2022] [Accepted: 08/15/2022] [Indexed: 11/16/2022] Open
Abstract
As the pharmacological properties and therapeutic applications of Cannabis sativa L. pace with the upsurge of interest of the scientific community in harnessing its constituent phytocannabinoids, illicit use may raise serious health issues. Tetrahydrocannabinol (THC) is one of the most well-known phytoactive constituents of cannabis and continues to garner scientific and public attention not only because of its pharmacological value but also because over-the-counter products of THC and prescription medications are becoming increasingly available from pharmacies, dispensaries, Internet, local retail stores, or by illicit means. Hence, a multidimensional approach was employed to examine the impact of THC on zebrafish larvae. The acute toxicity, expressed as LC50, was 1.54 mg/L. Adverse effects were observed on the phenotype, such as tail bending, pericardial edema, etc., even at concentrations lower than LC50, and fundamental functions of larvae (e.g., heart rate and cardiac contractility, and rhythm) were significantly affected. Behavioral changes were noticed, which were reflected in locomotor activity and sensitivity to light/dark changes. Finally, an untargeted metabolomic study was carried out to shed light on the metabolic alterations that occurred, providing substantiating evidence of the observed phenotype alterations. Overall, the potentially detrimental effects of THC on a vertebrate model are depicted.
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Affiliation(s)
- Theodoros Chatzimitakos
- Laboratory of Analytical Chemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece
| | - Ieremias Chousidis
- Laboratory of Zoology, Biological Applications and Technology Department, University of Ioannina, 45110 Ioannina, Greece
| | | | - Constantine Stalikas
- Laboratory of Analytical Chemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece
- Correspondence:
| | - Ioannis Leonardos
- Laboratory of Zoology, Biological Applications and Technology Department, University of Ioannina, 45110 Ioannina, Greece
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27
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Feng M, Hou T, Zhou M, Cen Q, Yi T, Bai J, Zeng Y, Liu Q, Zhang C, Zhang Y. Gut microbiota may be involved in Alzheimer’s disease pathology by dysregulating pyrimidine metabolism in APP/PS1 mice. Front Aging Neurosci 2022; 14:967747. [PMID: 35992591 PMCID: PMC9382084 DOI: 10.3389/fnagi.2022.967747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/12/2022] [Indexed: 11/13/2022] Open
Abstract
IntroductionAlzheimer’s disease (AD) is the most common form of dementia worldwide. The biological mechanisms underlying the pathogenesis of AD aren’t completely clear. Studies have shown that the gut microbiota could be associated with AD pathogenesis; however, the pathways involved still need to be investigated.AimsTo explore the possible pathways of the involvement of gut microbiota in AD pathogenesis through metabolites and to identify new AD biomarkers.MethodsSeven-month-old APP/PS1 mice were used as AD models. The Morris water maze test was used to examine learning and memory ability. 16S rRNA gene sequencing and widely targeted metabolomics were used to identify the gut microbiota composition and fecal metabolic profile, respectively, followed by a combined analysis of microbiomics and metabolomics.ResultsImpaired learning abilities were observed in APP/PS1 mice. Statistically significant changes in the gut microbiota were detected, including a reduction in β-diversity, a higher ratio of Firmicutes/Bacteroidota, and multiple differential bacteria. Statistically significant changes in fecal metabolism were also detected, with 40 differential fecal metabolites and perturbations in the pyrimidine metabolism. Approximately 40% of the differential fecal metabolites were markedly associated with the gut microbiota, and the top two bacteria associated with the most differential metabolites were Bacillus firmus and Rikenella. Deoxycytidine, which causes changes in the pyrimidine metabolic pathway, was significantly correlated with Clostridium sp. Culture-27.ConclusionsGut microbiota may be involved in the pathological processes associated with cognitive impairment in AD by dysregulating pyrimidine metabolism. B. firmus, Rikenella, Clostridium sp. Culture-27, and deoxyuridine may be important biological markers for AD. Our findings provide new insights into the host-microbe crosstalk in AD pathology and contribute to the discovery of diagnostic markers and therapeutic targets for AD.
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Affiliation(s)
- Min Feng
- School of Rehabilitation Medicine and Healthcare, Hunan University of Medicine, Huaihua, China
| | - Tianshu Hou
- Department of Preventive Traditional Chinese Medicine, Chengdu Integrated TCM, Western Medical Hospital, Chengdu, China
| | - Mingze Zhou
- Health and Rehabilitation School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qiuyu Cen
- Health and Rehabilitation School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ting Yi
- Health and Rehabilitation School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jinfeng Bai
- School of Rehabilitation Medicine and Healthcare, Hunan University of Medicine, Huaihua, China
| | - Yun Zeng
- School of Rehabilitation Medicine and Healthcare, Hunan University of Medicine, Huaihua, China
| | - Qi Liu
- Acupuncture and Tuina School, Shaanxi University of Chinese Medicine, Xianyang, China
- *Correspondence: Qi Liu,
| | - Chengshun Zhang
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Chengshun Zhang,
| | - Yingjun Zhang
- School of Clinical Medicine, Hunan University of Medicine, Huaihua, China
- Yingjun Zhang,
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28
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Romero-Morales AI, Robertson GL, Rastogi A, Rasmussen ML, Temuri H, McElroy GS, Chakrabarty RP, Hsu L, Almonacid PM, Millis BA, Chandel NS, Cartailler JP, Gama V. Human iPSC-derived cerebral organoids model features of Leigh syndrome and reveal abnormal corticogenesis. Development 2022; 149:275911. [PMID: 35792828 PMCID: PMC9357378 DOI: 10.1242/dev.199914] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 05/18/2022] [Indexed: 01/12/2023]
Abstract
Leigh syndrome (LS) is a rare, inherited neurometabolic disorder that presents with bilateral brain lesions caused by defects in the mitochondrial respiratory chain and associated nuclear-encoded proteins. We generated human induced pluripotent stem cells (iPSCs) from three LS patient-derived fibroblast lines. Using whole-exome and mitochondrial sequencing, we identified unreported mutations in pyruvate dehydrogenase (GM0372, PDH; GM13411, MT-ATP6/PDH) and dihydrolipoyl dehydrogenase (GM01503, DLD). These LS patient-derived iPSC lines were viable and capable of differentiating into progenitor populations, but we identified several abnormalities in three-dimensional differentiation models of brain development. LS patient-derived cerebral organoids showed defects in neural epithelial bud generation, size and cortical architecture at 100 days. The double mutant MT-ATP6/PDH line produced organoid neural precursor cells with abnormal mitochondrial morphology, characterized by fragmentation and disorganization, and showed an increased generation of astrocytes. These studies aim to provide a comprehensive phenotypic characterization of available patient-derived cell lines that can be used to study Leigh syndrome.
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Affiliation(s)
| | - Gabriella L. Robertson
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Anuj Rastogi
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Megan L. Rasmussen
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Hoor Temuri
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Gregory Scott McElroy
- Feinberg School of Medicine, Department of Medicine, Division of Pulmonary and Critical Care Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Ram Prosad Chakrabarty
- Feinberg School of Medicine, Department of Medicine, Division of Pulmonary and Critical Care Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Lawrence Hsu
- Creative Data Solutions, Vanderbilt Center for Stem Cell Biology,Vanderbilt University,Nashville, TN 37232, USA
| | | | - Bryan A. Millis
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN 37232, USA,Vanderbilt Biophotonics Center,Vanderbilt University, Nashville, TN 37232, USA
| | - Navdeep S. Chandel
- Feinberg School of Medicine, Department of Medicine, Division of Pulmonary and Critical Care Medicine, Northwestern University, Chicago, IL 60611, USA,Feinberg School of Medicine, Department of Biochemistry and Molecular Genetics, Northwestern University, Chicago, IL 60611, USA
| | - Jean-Philippe Cartailler
- Creative Data Solutions, Vanderbilt Center for Stem Cell Biology,Vanderbilt University,Nashville, TN 37232, USA
| | - Vivian Gama
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN 37232, USA,Creative Data Solutions, Vanderbilt Center for Stem Cell Biology,Vanderbilt University,Nashville, TN 37232, USA,Vanderbilt Brain Institute,Vanderbilt University,Nashville, TN 37232, USA,Author for correspondence ()
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29
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Dewulf JP, Marie S, Nassogne MC. Disorders of purine biosynthesis metabolism. Mol Genet Metab 2022; 136:190-198. [PMID: 34998670 DOI: 10.1016/j.ymgme.2021.12.016] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/15/2021] [Accepted: 12/25/2021] [Indexed: 11/18/2022]
Abstract
Purines are essential molecules that are components of vital biomolecules, such as nucleic acids, coenzymes, signaling molecules, as well as energy transfer molecules. The de novo biosynthesis pathway starts from phosphoribosylpyrophosphate (PRPP) and eventually leads to the synthesis of inosine monophosphate (IMP) by means of 10 sequential steps catalyzed by six different enzymes, three of which are bi-or tri-functional in nature. IMP is then converted into guanosine monophosphate (GMP) or adenosine monophosphate (AMP), which are further phosphorylated into nucleoside di- or tri-phosphates, such as GDP, GTP, ADP and ATP. This review provides an overview of inborn errors of metabolism pertaining to purine synthesis in humans, including either phosphoribosylpyrophosphate synthetase (PRS) overactivity or deficiency, as well as adenylosuccinate lyase (ADSL), 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase (ATIC), phosphoribosylaminoimidazole succinocarboxamide synthetase (PAICS), and adenylosuccinate synthetase (ADSS) deficiencies. ITPase deficiency is being described as well. The clinical spectrum of these disorders is broad, including neurological impairment, such as psychomotor retardation, epilepsy, hypotonia, or microcephaly; sensory involvement, such as deafness and visual disturbances; multiple malformations, as well as muscle presentations or consequences of hyperuricemia, such as gouty arthritis or kidney stones. Clinical signs are often nonspecific and, thus, overlooked. It is to be hoped that this is likely to be gradually overcome by using sensitive biochemical investigations and next-generation sequencing technologies.
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Affiliation(s)
- Joseph P Dewulf
- Laboratoire des Maladies Métaboliques Héréditaires/Biochimie Génétique et Centre de Dépistage Néonatal, Cliniques Universitaires Saint-Luc, UCLouvain, B-1200 Brussels, Belgium; Institut des Maladies Rares, Cliniques Universitaires Saint-Luc, UCLouvain, B-1200 Brussels, Belgium; Department of Biochemistry, de Duve Institute, UCLouvain, Brussels, Belgium.
| | - Sandrine Marie
- Laboratoire des Maladies Métaboliques Héréditaires/Biochimie Génétique et Centre de Dépistage Néonatal, Cliniques Universitaires Saint-Luc, UCLouvain, B-1200 Brussels, Belgium; Institut des Maladies Rares, Cliniques Universitaires Saint-Luc, UCLouvain, B-1200 Brussels, Belgium.
| | - Marie-Cécile Nassogne
- Institut des Maladies Rares, Cliniques Universitaires Saint-Luc, UCLouvain, B-1200 Brussels, Belgium; Service de Neurologie Pédiatrique, Cliniques Universitaires Saint-Luc, UCLouvain, B-1200 Brussels, Belgium.
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30
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Gaines D, Nestorova GG. Extracellular vesicles-derived microRNAs expression as biomarkers for neurological radiation injury: Risk assessment for space exploration. LIFE SCIENCES IN SPACE RESEARCH 2022; 32:54-62. [PMID: 35065761 DOI: 10.1016/j.lssr.2021.11.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 11/03/2021] [Accepted: 11/07/2021] [Indexed: 06/14/2023]
Abstract
Space missions pose threats to the health of the astronauts due to long-term exposure to galactic cosmic rays and solar particle events comprised predominantly of medium to high energy protons, energetic helium ions, and energetic high atomic number particles (HZEs). While the tissue-specific effects of radiation have been studied extensively, the changes in exosomal miRNA expression levels in response to acute radiation exposure have not been assessed. Extracellular vesicles (EVs) originate from the host cells and contain nucleic acid and proteins that can modify the physiology of the receiving cells via the transfer of genomic, proteomic, and lipids cargo. Detection and analysis of miRNA cargo of circulating EVs is an emerging method for non-invasive diagnosis and monitoring of neurological disorders. This study characterizes the EV-derived miRNA expression profiles of human astrocytes to identify those that are altered after treatment with 3 Gy proton radiation as biomarkers of neurological radiation injury. The relationship between radiation and miRNA extracellular vesicles expression levels was investigated in human astrocytes after treatment with 3 Gy proton radiation at Willis-Knighton Cancer Center. Microarray analysis was performed using miRNA from the EVs enriched fraction in the cell culture medium collected from sham-control and radiation-treated cells. The exosomal levels of 13 miRNAs were significantly (FDR p < 0.05) down-regulated after exposure to high-energy radiation. The computational analysis identified hsa-miR-762, hsa-let-7c-5p, and has-let-7b-5p regulate the highest number of genes being associated with cognitive, mental, and motor delay. These miRNAs target the same subset of genes (Amd1, CCNF, COX6B, PLXND1) that are associated with epileptic encephalopathy; frontotemporal dementia; mitochondrial complex iv deficiency, and a rare neurological condition (Moebius syndrome) respectively. GO enrichment analysis of the biological processes identified overrepresentation in mRNA polyadenylation and regulation of glutamine and long fatty acids transport. Gene expression analysis confirmed the upregulation of the glutamine synthetase after irradiation. Significant fold enrichment of GO l-glutamine transmembrane transporter activity was identified in the molecular function category as well indicating exosome-mediated regulation of this important pathway after proton radiation exposure.
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Affiliation(s)
- Deriesha Gaines
- Molecular Sciences and Nanotechnology, Louisiana Tech University, Ruston, United States
| | - Gergana G Nestorova
- School of Biological Sciences, Nestorova University School of Biological Sciences, Louisiana Tech University, 1 Adams Blvd, Ruston, LA 71272, United States
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31
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Iliou A, Vlaikou AM, Nussbaumer M, Benaki D, Mikros E, Gikas E, Filiou MD. Exploring the metabolomic profile of cerebellum after exposure to acute stress. Stress 2021; 24:952-964. [PMID: 34553679 DOI: 10.1080/10253890.2021.1973997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Psychological stress and stress-related disorders constitute a major health problem in modern societies. Although the brain circuits involved in emotional processing are intensively studied, little is known about the implication of cerebellum in stress responses whereas the molecular changes induced by stress exposure in cerebellum remain largely unexplored. Here, we investigated the effects of acute stress exposure on mouse cerebellum. We used a forced swim test (FST) paradigm as an acute stressor. We then analyzed the cerebellar metabolomic profiles of stressed (n = 11) versus control (n = 11) male CD1 mice by a Nuclear Magnetic Resonance (NMR)-based, untargeted metabolomics approach. Our results showed altered levels of 19 out of the 47 annotated metabolites, which are implicated in neurotransmission and N-acetylaspartic acid (NAA) turnover, as well as in energy and purine/pyrimidine metabolism. We also correlated individual metabolite levels with FST behavioral parameters, and reported associations between FST readouts and levels of 4 metabolites. This work indicates an altered metabolomic signature after acute stress in the cerebellum and highlights a previously unexplored involvement of cerebellum in stress responses.
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Affiliation(s)
- Aikaterini Iliou
- Department of Pharmacy, Section of Pharmaceutical Chemistry, School of Health Sciences, National and Kapodistrian University of Athens (NKUA), Athens, Greece
| | - Angeliki-Maria Vlaikou
- Department of Biological Applications and Technology, Laboratory of Biochemistry, School of Health Sciences, University of Ioannina, Ioannina, Greece
- Biomedical Research Division, Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas (FORTH), Ioannina, Greece
| | - Markus Nussbaumer
- Department of Biological Applications and Technology, Laboratory of Biochemistry, School of Health Sciences, University of Ioannina, Ioannina, Greece
- Biomedical Research Division, Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas (FORTH), Ioannina, Greece
| | - Dimitra Benaki
- Department of Pharmacy, Section of Pharmaceutical Chemistry, School of Health Sciences, National and Kapodistrian University of Athens (NKUA), Athens, Greece
| | - Emmanuel Mikros
- Department of Pharmacy, Section of Pharmaceutical Chemistry, School of Health Sciences, National and Kapodistrian University of Athens (NKUA), Athens, Greece
| | - Evangelos Gikas
- Department of Pharmacy, Section of Pharmaceutical Chemistry, School of Health Sciences, National and Kapodistrian University of Athens (NKUA), Athens, Greece
- Department of Chemistry, Section of Analytical Chemistry, School of Science, National and Kapodistrian University of Athens (NKUA), Athens, Greece
| | - Michaela D Filiou
- Department of Biological Applications and Technology, Laboratory of Biochemistry, School of Health Sciences, University of Ioannina, Ioannina, Greece
- Biomedical Research Division, Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas (FORTH), Ioannina, Greece
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32
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Keenan BT, Galante RJ, Lian J, Zhang L, Guo X, Veatch OJ, Chesler EJ, O'Brien WT, Svenson KL, Churchill GA, Pack AI. The dihydropyrimidine dehydrogenase gene contributes to heritable differences in sleep in mice. Curr Biol 2021; 31:5238-5248.e7. [PMID: 34653361 DOI: 10.1016/j.cub.2021.09.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 08/25/2021] [Accepted: 09/17/2021] [Indexed: 12/27/2022]
Abstract
Many aspects of sleep are heritable, but only a few sleep-regulating genes have been reported. Here, we leverage mouse models to identify and confirm a previously unreported gene affecting sleep duration-dihydropyrimidine dehydrogenase (Dpyd). Using activity patterns to quantify sleep in 325 Diversity Outbred (DO) mice-a population with high genetic and phenotypic heterogeneity-a linkage peak for total sleep in the active lights off period was identified on chromosome 3 (LOD score = 7.14). Mice with the PWK/PhJ ancestral haplotype at this location demonstrated markedly reduced sleep. Among the genes within the linkage region, available RNA sequencing data in an independent sample of DO mice supported a highly significant expression quantitative trait locus for Dpyd, wherein reduced expression was associated with the PWK/PhJ allele. Validation studies were performed using activity monitoring and EEG/EMG recording in Collaborative Cross mouse strains with and without the PWK/PhJ haplotype at this location, as well as EEG and EMG recording of sleep and wake in Dpyd knockout mice and wild-type littermate controls. Mice lacking Dpyd had 78.4 min less sleep during the lights-off period than wild-type mice (p = 0.007; Cohen's d = -0.94). There was no difference in other measured behaviors in knockout mice, including assays evaluating cognitive-, social-, and affective-disorder-related behaviors. Dpyd encodes the rate-limiting enzyme in the metabolic pathway that catabolizes uracil and thymidine to β-alanine, an inhibitory neurotransmitter. Thus, data support β-alanine as a neurotransmitter that promotes sleep in mice.
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Affiliation(s)
- Brendan T Keenan
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Raymond J Galante
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Jie Lian
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Lin Zhang
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Xiaofeng Guo
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Olivia J Veatch
- Department of Psychiatry & Behavioral Sciences, University of Kansas Medical Center, Kansas City, KS, USA
| | | | - W Timothy O'Brien
- Neurobehavior Testing Core, Institute for Translational and Therapeutic Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | | | | | - Allan I Pack
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
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33
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Sagrillo-Fagundes L, Casagrande Paim T, Pretto L, Bertaco I, Zanatelli C, Vaillancourt C, Wink MR. The implications of the purinergic signaling throughout pregnancy. J Cell Physiol 2021; 237:507-522. [PMID: 34596240 DOI: 10.1002/jcp.30594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/26/2021] [Accepted: 09/14/2021] [Indexed: 12/14/2022]
Abstract
Purinergic signaling is a necessary mechanism to trigger or even amplify cell communication. Its ligands, notably adenosine triphosphate (ATP) and adenosine, modulate specific membrane-bound receptors in virtually all human cells. Regardless of the stage of the pregnancy, cellular communication between maternal, placental, and fetal cells is the paramount mechanism to sustain its optimal status. In this review, we describe the crucial role of purinergic signaling on the regulation of the maternal-fetal trophic exchanges, immune control, and endocrine exchanges throughout pregnancy. The nature of the modulation of both ATP and adenosine on the embryo-maternal interface, going through placental invasion until birth delivery depends on the general maternal-fetal health state and consequently on the selective activation of their specific receptors. In addition, an increasing number of studies have been demonstrating the pivotal role of ATP and adenosine in modulating deleterious effects of suboptimal conditions of pregnancy. Here, we discuss the role of purinergic signaling on the balance that coordinates the embryo-maternal exchanges and a promising therapeutic venue in the context of pregnancy disorders.
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Affiliation(s)
- Lucas Sagrillo-Fagundes
- Departamento de Ciências Básicas da Saúde e Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Thaís Casagrande Paim
- Departamento de Ciências Básicas da Saúde e Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Luiza Pretto
- Departamento de Ciências Básicas da Saúde e Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Isadora Bertaco
- Departamento de Ciências Básicas da Saúde e Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Carla Zanatelli
- Departamento de Ciências Básicas da Saúde e Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Cathy Vaillancourt
- Centre Armand Frappier Santé Biotechnologie, INRS, Laval, Quebec, Canada
| | - Márcia R Wink
- Departamento de Ciências Básicas da Saúde e Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
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Finke AO, Ravaeva MY, Krasnov VI, Cheretaev IV, Chuyan EN, Baev DS, Shults EE. Cross‐Coupling‐Cyclocondensation Reaction Sequence to Access a Library of Ring‐C Bridged Pyrimidino‐tetrahydrothebaines and Pyrimidinotetrahydrooripavines. ChemistrySelect 2021. [DOI: 10.1002/slct.202101790] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Anastasija O. Finke
- Laboratory of Medicinal Chemistry Laboratory of Pharmaceutical reseach Laboratory of magnetic radiospectroscopy Novosibirsk institute of Organic Chemistry Lavrentyev Ave 9 630090 Novosibirsk Russian Federation
| | - Marina Y. Ravaeva
- Biology and chemical department V.I. Vernadsky Crimean Federal University Republic of Crimea Vernadskogo Avenue, 4 Simferopol 295007 Russian Federation
| | - Vyacheslav I. Krasnov
- Laboratory of Medicinal Chemistry Laboratory of Pharmaceutical reseach Laboratory of magnetic radiospectroscopy Novosibirsk institute of Organic Chemistry Lavrentyev Ave 9 630090 Novosibirsk Russian Federation
| | - Igor V. Cheretaev
- Biology and chemical department V.I. Vernadsky Crimean Federal University Republic of Crimea Vernadskogo Avenue, 4 Simferopol 295007 Russian Federation
| | - Elena N. Chuyan
- Biology and chemical department V.I. Vernadsky Crimean Federal University Republic of Crimea Vernadskogo Avenue, 4 Simferopol 295007 Russian Federation
| | - Dmitry S. Baev
- Laboratory of Medicinal Chemistry Laboratory of Pharmaceutical reseach Laboratory of magnetic radiospectroscopy Novosibirsk institute of Organic Chemistry Lavrentyev Ave 9 630090 Novosibirsk Russian Federation
| | - Elvira E. Shults
- Laboratory of Medicinal Chemistry Laboratory of Pharmaceutical reseach Laboratory of magnetic radiospectroscopy Novosibirsk institute of Organic Chemistry Lavrentyev Ave 9 630090 Novosibirsk Russian Federation
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35
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Mazzarino RC, Baresova V, Zikánová M, Duval N, Wilkinson TG, Patterson D, Vacano GN. Transcriptome and metabolome analysis of crGART, a novel cell model of de novo purine synthesis deficiency: Alterations in CD36 expression and activity. PLoS One 2021; 16:e0247227. [PMID: 34283828 PMCID: PMC8291708 DOI: 10.1371/journal.pone.0247227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 06/24/2021] [Indexed: 11/18/2022] Open
Abstract
In humans, GART [phosphoribosylglycinamide formyltransferase (EC 2.1.2.2) / phosphoribosylglycinamide synthetase (EC 6.3.4.13) / phosphoribosylaminoimidazole synthetase (EC 6.3.3.1)] is a trifunctional protein which catalyzes the second, third, and fifth reactions of the ten step de novo purine synthesis (DNPS) pathway. The second step of DNPS is conversion of phosphoribosylamine (5-PRA) to glycineamide ribonucleotide (GAR). 5-PRA is extremely unstable under physiological conditions and is unlikely to accumulate in the absence of GART activity. Recently, a HeLa cell line null mutant for GART was constructed via CRISPR-Cas9 mutagenesis. This cell line, crGART, is an important cellular model of DNPS inactivation that does not accumulate DNPS pathway intermediates. In the current study, we characterized the crGART versus HeLa transcriptomes in purine-supplemented and purine-depleted growth conditions. We observed multiple transcriptome changes and discuss pathways and ontologies particularly relevant to Alzheimer disease and Down syndrome. We selected the Cluster of Differentiation (CD36) gene for initial analysis based on its elevated expression in crGART versus HeLa as well as its high basal expression, high log2 value, and minimal P-value.
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Affiliation(s)
- Randall C. Mazzarino
- Knoebel Institute for Healthy Aging, University of Denver, Denver, Colorado, United States of America
- Eleanor Roosevelt Institute, University of Denver, Denver, Colorado, United States of America
- Department of Biological Sciences, University of Denver, Denver, Colorado, United States of America
- Molecular and Cellular Biophysics Program, University of Denver, Denver, Colorado, United States of America
| | - Veronika Baresova
- Research Unit for Rare Diseases, Department of Pediatrics and Adolescent Medicine, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Marie Zikánová
- Research Unit for Rare Diseases, Department of Pediatrics and Adolescent Medicine, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Nathan Duval
- Knoebel Institute for Healthy Aging, University of Denver, Denver, Colorado, United States of America
- Eleanor Roosevelt Institute, University of Denver, Denver, Colorado, United States of America
- Department of Biological Sciences, University of Denver, Denver, Colorado, United States of America
| | - Terry G. Wilkinson
- Knoebel Institute for Healthy Aging, University of Denver, Denver, Colorado, United States of America
- Eleanor Roosevelt Institute, University of Denver, Denver, Colorado, United States of America
| | - David Patterson
- Knoebel Institute for Healthy Aging, University of Denver, Denver, Colorado, United States of America
- Eleanor Roosevelt Institute, University of Denver, Denver, Colorado, United States of America
- Department of Biological Sciences, University of Denver, Denver, Colorado, United States of America
| | - Guido N. Vacano
- Knoebel Institute for Healthy Aging, University of Denver, Denver, Colorado, United States of America
- Eleanor Roosevelt Institute, University of Denver, Denver, Colorado, United States of America
- * E-mail:
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36
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Kucera J, Horska K, Hruska P, Kuruczova D, Micale V, Ruda-Kucerova J, Bienertova-Vasku J. Interacting effects of the MAM model of schizophrenia and antipsychotic treatment: Untargeted proteomics approach in adipose tissue. Prog Neuropsychopharmacol Biol Psychiatry 2021; 108:110165. [PMID: 33152383 DOI: 10.1016/j.pnpbp.2020.110165] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 12/19/2022]
Abstract
Schizophrenia is a severe neuropsychiatric disease associated with substantially higher mortality. Reduced life expectancy in schizophrenia relates to an increased prevalence of metabolic disturbance, and antipsychotic medication is a major contributor. Molecular mechanisms underlying adverse metabolic effects of antipsychotics are not fully understood; however, adipose tissue homeostasis deregulation appears to be a critical factor. We employed mass spectrometry-based untargeted proteomics to assess the effect of chronic olanzapine, risperidone, and haloperidol treatment in visceral adipose tissue of prenatally methylazoxymethanol (MAM) acetate exposed rats, a well-validated neurodevelopmental animal model of schizophrenia. Bioinformatics analysis of differentially expressed proteins was performed to highlight the pathways affected by MAM and the antipsychotics treatment. MAM model was associated with the deregulation of the TOR (target of rapamycin) signalling pathway. Notably, alterations in protein expression triggered by antipsychotics were observed only in schizophrenia-like MAM animals where we revealed hundreds of affected proteins according to our two-fold threshold, but not in control animals. Treatments with all antipsychotics in MAM rats resulted in the downregulation of mRNA processing and splicing, while drug-specific effects included among others upregulation of insulin resistance (olanzapine), upregulation of fatty acid metabolism (risperidone), and upregulation of nucleic acid metabolism (haloperidol). Our data indicate that deregulation of several energetic and metabolic pathways in adipose tissue is associated with APs administration and is prominent in MAM schizophrenia-like model but not in control animals.
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Affiliation(s)
- Jan Kucera
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Katerina Horska
- Department of Human Pharmacology and Toxicology, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic; Department of Human Pharmacology and Toxicology, Faculty of Pharmacy, Masaryk University, Brno, Czech Republic
| | - Pavel Hruska
- Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Daniela Kuruczova
- Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Vincenzo Micale
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, Catania, Italy; National Institute of Mental Health, Klecany, Czech Republic
| | - Jana Ruda-Kucerova
- Department of Pharmacology, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
| | - Julie Bienertova-Vasku
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Brno, Czech Republic; Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
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37
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Kundu D, Dubey VK. Purines and Pyrimidines: Metabolism, Function and Potential as Therapeutic Options in Neurodegenerative Diseases. Curr Protein Pept Sci 2021; 22:170-189. [PMID: 33292151 DOI: 10.2174/1389203721999201208200605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 09/01/2020] [Accepted: 09/25/2020] [Indexed: 11/22/2022]
Abstract
Various neurodegenerative disorders have various molecular origins but some common molecular mechanisms. In the current scenario, there are very few treatment regimens present for advanced neurodegenerative diseases. In this context, there is an urgent need for alternate options in the form of natural compounds with an ameliorating effect on patients. There have been individual scattered experiments trying to identify potential values of various intracellular metabolites. Purines and Pyrimidines, which are vital molecules governing various aspects of cellular biochemical reactions, have been long sought as crucial candidates for the same, but there are still many questions that go unanswered. Some critical functions of these molecules associated with neuromodulation activities have been identified. They are also known to play a role in foetal neurodevelopment, but there is a lacuna in understanding their mechanisms. In this review, we have tried to assemble and identify the importance of purines and pyrimidines, connecting them with the prevalence of neurodegenerative diseases. The leading cause of this class of diseases is protein misfolding and the formation of amyloids. A direct correlation between loss of balance in cellular homeostasis and amyloidosis is yet an unexplored area. This review aims at bringing the current literature available under one umbrella serving as a foundation for further extensive research in this field of drug development in neurodegenerative diseases.
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Affiliation(s)
- Debanjan Kundu
- School of Biochemical Engineering, Indian Institute of Technology BHU, Varanasi, UP - 221005, India
| | - Vikash Kumar Dubey
- School of Biochemical Engineering, Indian Institute of Technology BHU, Varanasi, UP - 221005, India
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38
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Apt (Adenine Phosphoribosyltransferase) Mutation in Laboratory-Selected Vancomycin-Intermediate Staphylococcus aureus. Antibiotics (Basel) 2021; 10:antibiotics10050583. [PMID: 34069103 PMCID: PMC8170892 DOI: 10.3390/antibiotics10050583] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/19/2021] [Accepted: 04/27/2021] [Indexed: 11/16/2022] Open
Abstract
Comparative genomic sequencing of laboratory-derived vancomycin-intermediate Staphylococcusaureus (VISA) (MM66-3 and MM66-4) revealed unique mutations in both MM66-3 (in apt and ssaA6), and MM66-4 (in apt and walK), compared to hetero-VISA parent strain MM66. Transcriptional profiling revealed that both MM66 VISA shared 79 upregulated genes and eight downregulated genes. Of these, 30.4% of the upregulated genes were associated with the cell envelope, whereas 75% of the downregulated genes were associated with virulence. In concordance with mutations and transcriptome alterations, both VISA strains demonstrated reduced autolysis, reduced growth in the presence of salt and reduced virulence factor activity. In addition to mutations in genes linked to cell wall metabolism (ssaA6 and walK), the same mutation in apt which encodes adenine phosphoribosyltransferase, was confirmed in both MM66 VISA. Apt plays a role in both adenine metabolism and accumulation and both MM66 VISA grew better than MM66 in the presence of adenine or 2-fluoroadenine indicating a reduction in the accumulation of these growth inhibiting compounds in the VISA strains. MM66 apt mutants isolated via 2-fluoroadenine selection also demonstrated reduced susceptibility to the cell wall lytic dye Congo red and vancomycin. Finding that apt mutations contribute to reduced vancomycin susceptibility once again suggests a role for altered purine metabolism in a VISA mechanism.
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39
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Stepanova V, Moczulska KE, Vacano GN, Kurochkin I, Ju X, Riesenberg S, Macak D, Maricic T, Dombrowski L, Schörnig M, Anastassiadis K, Baker O, Naumann R, Khrameeva E, Vanushkina A, Stekolshchikova E, Egorova A, Tkachev A, Mazzarino R, Duval N, Zubkov D, Giavalisco P, Wilkinson TG, Patterson D, Khaitovich P, Pääbo S. Reduced purine biosynthesis in humans after their divergence from Neandertals. eLife 2021; 10:58741. [PMID: 33942714 PMCID: PMC8133780 DOI: 10.7554/elife.58741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 05/02/2021] [Indexed: 12/02/2022] Open
Abstract
We analyze the metabolomes of humans, chimpanzees, and macaques in muscle, kidney and three different regions of the brain. Although several compounds in amino acid metabolism occur at either higher or lower concentrations in humans than in the other primates, metabolites downstream of adenylosuccinate lyase, which catalyzes two reactions in purine synthesis, occur at lower concentrations in humans. This enzyme carries an amino acid substitution that is present in all humans today but absent in Neandertals. By introducing the modern human substitution into the genomes of mice, as well as the ancestral, Neandertal-like substitution into the genomes of human cells, we show that this amino acid substitution contributes to much or all of the reduction of de novo synthesis of purines in humans.
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Affiliation(s)
- Vita Stepanova
- Skolkovo Institute for Science and Technology, Skolkovo, Russian Federation.,Institute for Information Transmission Problems, Russian Academy of Sciences, Moscow, Russian Federation
| | | | - Guido N Vacano
- The Eleanor Roosevelt Institute and Knoebel Institute for Healthy Aging, University of Denver, Denver, United States
| | - Ilia Kurochkin
- Skolkovo Institute for Science and Technology, Skolkovo, Russian Federation
| | - Xiangchun Ju
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,Okinawa Institute of Science and Technology, Onna-son, Japan
| | | | - Dominik Macak
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Tomislav Maricic
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Linda Dombrowski
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Maria Schörnig
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Konstantinos Anastassiadis
- Center for Molecular and Cellular Bioengineering, Biotechnology Center, Technical University Dresden, Dresden, Germany
| | - Oliver Baker
- Center for Molecular and Cellular Bioengineering, Biotechnology Center, Technical University Dresden, Dresden, Germany
| | - Ronald Naumann
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | | | - Anna Vanushkina
- Skolkovo Institute for Science and Technology, Skolkovo, Russian Federation
| | | | - Alina Egorova
- Skolkovo Institute for Science and Technology, Skolkovo, Russian Federation
| | - Anna Tkachev
- Skolkovo Institute for Science and Technology, Skolkovo, Russian Federation
| | - Randall Mazzarino
- The Eleanor Roosevelt Institute and Knoebel Institute for Healthy Aging, University of Denver, Denver, United States
| | - Nathan Duval
- The Eleanor Roosevelt Institute and Knoebel Institute for Healthy Aging, University of Denver, Denver, United States
| | - Dmitri Zubkov
- Skolkovo Institute for Science and Technology, Skolkovo, Russian Federation
| | | | - Terry G Wilkinson
- The Eleanor Roosevelt Institute and Knoebel Institute for Healthy Aging, University of Denver, Denver, United States
| | - David Patterson
- The Eleanor Roosevelt Institute and Knoebel Institute for Healthy Aging, University of Denver, Denver, United States
| | - Philipp Khaitovich
- Skolkovo Institute for Science and Technology, Skolkovo, Russian Federation
| | - Svante Pääbo
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,Okinawa Institute of Science and Technology, Onna-son, Japan
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40
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Bernard A, Le May C, Dastugue A, Ayer A, Blanchard C, Martin JC, Pais de Barros JP, Delaby P, Le Bourgot C, Ledoux S, Besnard P. The Tryptophan/Kynurenine Pathway: A Novel Cross-Talk between Nutritional Obesity, Bariatric Surgery and Taste of Fat. Nutrients 2021; 13:nu13041366. [PMID: 33921805 PMCID: PMC8073116 DOI: 10.3390/nu13041366] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 04/06/2021] [Accepted: 04/16/2021] [Indexed: 02/07/2023] Open
Abstract
Diet-induced obesity (DIO) reduces the orosensory perception of lipids in rodents and in some humans. Although bariatric surgery partially corrects this alteration, underlying mechanisms remain poorly understood. To explore whether metabolic changes might explain this fat taste disturbance, plasma metabolome analyses, two-bottle choice tests and fungiform papillae (Fun) counting were performed in vertical sleeve gastrectomized (VSG) mice and sham-operated controls. An exploratory clinic study was also carried out in adult patients undergone a VSG. In mice, we found that (i) the VSG reduces both the plasma neurotoxic signature due to the tryptophan/kynurenine (Trp/Kyn) pathway overactivation and the failure of fat preference found in sham-operated DIO mice, (ii) the activity of Trp/Kyn pathway is negatively correlated to the density of Fun, and (iii) the pharmacological inhibition of the Kyn synthesis mimics in non-operated DIO mice the positive effects of VSG (i.e., decrease of Kyn synthesis, increase of Fun number, improvement of the fat taste perception). In humans, a reduction of the plasma Kyn level is only found in patients displaying a post-surgery improvement of their fat taste sensitivity. Altogether these data provide a plausible metabolic explanation to the degradation of the orosensory lipid perception observed in obesity.
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Affiliation(s)
- Arnaud Bernard
- UMR 1231 Lipides/Nutrition/Cancer INSERM/Univ Bourgogne-Franche-Comté/AgroSupDijon, 21000 Dijon, France; (A.B.); (A.D.); (J.-P.P.d.B.)
| | - Cédric Le May
- UMR 1087 INSERM/6291 CNRS Université de Nantes, l’Institut du Thorax, 44000 Nantes, France; (C.L.M.); (A.A.); (C.B.)
| | - Aurélie Dastugue
- UMR 1231 Lipides/Nutrition/Cancer INSERM/Univ Bourgogne-Franche-Comté/AgroSupDijon, 21000 Dijon, France; (A.B.); (A.D.); (J.-P.P.d.B.)
| | - Audrey Ayer
- UMR 1087 INSERM/6291 CNRS Université de Nantes, l’Institut du Thorax, 44000 Nantes, France; (C.L.M.); (A.A.); (C.B.)
| | - Claire Blanchard
- UMR 1087 INSERM/6291 CNRS Université de Nantes, l’Institut du Thorax, 44000 Nantes, France; (C.L.M.); (A.A.); (C.B.)
| | | | - Jean-Paul Pais de Barros
- UMR 1231 Lipides/Nutrition/Cancer INSERM/Univ Bourgogne-Franche-Comté/AgroSupDijon, 21000 Dijon, France; (A.B.); (A.D.); (J.-P.P.d.B.)
| | | | | | - Séverine Ledoux
- Explorations Fonctionnelles, Hôpital Louis Mourier (APHP), Colombes and Université de Paris, 92700 Nanterre, France;
- Fonctions Gastro-Intestinales, Métaboliques et Physiopathologies Nutritionnelles INSERM UMR1149, CEDEX 18, 75890 Paris, France
| | - Philippe Besnard
- UMR 1231 Lipides/Nutrition/Cancer INSERM/Univ Bourgogne-Franche-Comté/AgroSupDijon, 21000 Dijon, France; (A.B.); (A.D.); (J.-P.P.d.B.)
- Physiologie de la Nutrition, AgroSup Dijon, 26 Bd Dr Petitjean, 21000 Dijon, France
- Correspondence:
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Tang Y, Pan Y, Chen Y, Kong X, Chen J, Zhang H, Tang G, Wu J, Sun X. Metabolomic Profiling of Aqueous Humor and Plasma in Primary Open Angle Glaucoma Patients Points Towards Novel Diagnostic and Therapeutic Strategy. Front Pharmacol 2021; 12:621146. [PMID: 33935712 PMCID: PMC8080440 DOI: 10.3389/fphar.2021.621146] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 02/01/2021] [Indexed: 12/15/2022] Open
Abstract
Glaucoma is the second leading cause of blindness globally characterized by progressive loss of retinal ganglion cells (RGCs) and irreversible visual deficiency. As the most common type of glaucoma, primary open angle glaucoma (POAG) is currently an unmet medical need with limited therapy by lowering intraocular pressure (IOP). However, some patients continue to progress even though their IOP are controlled. Although early diagnosis and prompt treatment are crucial in preventing irreversible visual impairment, there are currently no biomarkers for screening POAG. Metabolomics has the advantages of illustrating the final downstream products of the genome and establishing the closest link to the phenotype. So far, there is no study investigating the metabolomic profiles in both aqueous humor and plasma of POAG patients. Therefore, to explore diagnostic biomarkers, unveil underlying pathophysiology and potential therapeutic strategies, a widely targeted metabolomic approach was applied using ultrahigh-resolution mass spectrometry with C18 liquid chromatography to characterize the metabolomic profiles in both aqueous humor and plasma of 28 POAG patients and 25 controls in our study. Partial least squares-discriminant analysis (PLS-DA) was performed to determine differentially expressed metabolites (DEMs) between POAG and age-matched controls. The area under the receiver operating characteristic curve (AUC) was calculated to assess the prediction accuracy of the DEMs. The correlation of DEMs with the clinical parameters was determined by Pearson correlation, and the metabolic pathways were analyzed using MetaboAnalyst 4.0. PLS-DA significantly separated POAG from controls with 22 DEMs in the aqueous humor and 11 DEMs in the plasma. Additionally, univariate ROC analysis and correlation analysis with clinical parameters revealed cyclic AMP (AUC = 0.87), 2-methylbenzoic acid (AUC = 0.75), 3'-sialyllactose (AUC = 0.73) in the aqueous humor and N-lac-phe (AUC = 0.76) in the plasma as potential biomarkers for POAG. Moreover, the metabolic profiles pointed towards the alteration in the purine metabolism pathway. In conclusion, the study identified potential and novel biomarkers for POAG by crosslinking the metabolomic profiles in aqueous humor and plasma and correlating with the clinical parameters. These findings have important clinical implications given that no biomarkers are currently available for glaucoma in the clinic, and the study provided new insights in exploring diagnostic biomarkers and potential therapeutic strategies of POAG by targeting metabolic pathways.
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Affiliation(s)
- Yizhen Tang
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia, Chinese Academy of Medical Sciences, and Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Yiqiong Pan
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia, Chinese Academy of Medical Sciences, and Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Yuhong Chen
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia, Chinese Academy of Medical Sciences, and Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Xiangmei Kong
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia, Chinese Academy of Medical Sciences, and Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Junyi Chen
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia, Chinese Academy of Medical Sciences, and Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Hengli Zhang
- Department of Ophthalmology, Shijiazhuang No. 1 Hospital, Hebei, China
| | - Guangxian Tang
- Department of Ophthalmology, Shijiazhuang No. 1 Hospital, Hebei, China
| | - Jihong Wu
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia, Chinese Academy of Medical Sciences, and Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Xinghuai Sun
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia, Chinese Academy of Medical Sciences, and Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China.,State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai, China
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Teke Kisa P, Arslan N. Inborn errors of immunity and metabolic disorders: current understanding, diagnosis, and treatment approaches. J Pediatr Endocrinol Metab 2021; 34:277-294. [PMID: 33675210 DOI: 10.1515/jpem-2020-0277] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 11/19/2020] [Indexed: 12/31/2022]
Abstract
Inborn errors of metabolism consist of a heterogeneous group of disorders with various organ systems manifestations, and some metabolic diseases also cause immunological disorders or dysregulation. In this review, metabolic diseases that affect the immunological system and particularly lead to primary immune deficiency will be reviewed. In a patient with frequent infections and immunodeficiency, the presence of symptoms such as growth retardation, abnormal facial appearance, heart, skeletal, lung deformities, skin findings, arthritis, motor developmental retardation, seizure, deafness, hepatomegaly, splenomegaly, impairment of liver function tests, the presence of anemia, thrombocytopenia and eosinophilia in hematological examinations should suggest metabolic diseases for the underlying cause. In some patients, these phenotypic findings may appear before the immunodeficiency picture. Metabolic diseases leading to immunological disorders are likely to be rare but probably underdiagnosed. Therefore, the presence of recurrent infections or autoimmune findings in a patient with a suspected metabolic disease should suggest that immune deficiency may also accompany the picture, and diagnostic examinations in this regard should be deepened.
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Affiliation(s)
- Pelin Teke Kisa
- Division of Pediatric Metabolism and Nutrition, Dokuz Eylul University Faculty of Medicine, Izmir, Turkey
| | - Nur Arslan
- Division of Pediatric Metabolism and Nutrition, Dokuz Eylul University Faculty of Medicine, Izmir, Turkey
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Park S, Kim Y, Lee J, Lee JY, Kim H, Lee S, Oh CM. A Systems Biology Approach to Investigating the Interaction between Serotonin Synthesis by Tryptophan Hydroxylase and the Metabolic Homeostasis. Int J Mol Sci 2021; 22:ijms22052452. [PMID: 33671067 PMCID: PMC7957782 DOI: 10.3390/ijms22052452] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/11/2021] [Accepted: 02/24/2021] [Indexed: 12/19/2022] Open
Abstract
Obesity has become a global public health and economic problem. Obesity is a major risk factor for a number of complications, such as type 2 diabetes, cardiovascular disease, fatty liver disease, and cancer. Serotonin (5-hydroxytryptamine [5-HT]) is a biogenic monoamine that plays various roles in metabolic homeostasis. It is well known that central 5-HT regulates appetite and mood. Several 5-HT receptor agonists and selective serotonin receptor uptake inhibitors (SSRIs) have shown beneficial effects on appetite and mood control in clinics. Although several genetic polymorphisms related to 5-HT synthesis and its receptors are strongly associated with obesity, there is little evidence of the role of peripheral 5-HT in human metabolism. In this study, we performed a systemic analysis of transcriptome data from the Genotype-Tissue Expression (GTEX) database. We investigated the expression of 5-HT and tryptophan hydroxylase (TPH), the rate-limiting enzyme of 5-HT biosynthesis, in the human brain and peripheral tissues. We also performed differential gene expression analysis and predicted changes in metabolites by comparing gene expressions of tissues with high TPH expression to the gene expressions of tissues with low TPH expression. Our analyses provide strong evidence that serotonin plays an important role in the regulation of metabolic homeostasis in humans.
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Affiliation(s)
- Suhyeon Park
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea; (S.P.); (Y.K.); (J.L); (J.Y.L.)
| | - Yumin Kim
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea; (S.P.); (Y.K.); (J.L); (J.Y.L.)
| | - Jibeom Lee
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea; (S.P.); (Y.K.); (J.L); (J.Y.L.)
| | - Jeong Yun Lee
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea; (S.P.); (Y.K.); (J.L); (J.Y.L.)
| | - Hail Kim
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea;
| | - Sunjae Lee
- Department of School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
- Correspondence: (S.L.); (C.-M.O.); Tel.: +82-10-7304-1213 (S.L.)
| | - Chang-Myung Oh
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea; (S.P.); (Y.K.); (J.L); (J.Y.L.)
- Correspondence: (S.L.); (C.-M.O.); Tel.: +82-10-7304-1213 (S.L.)
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Papaioannou N, Distel E, de Oliveira E, Gabriel C, Frydas IS, Anesti O, Attignon EA, Odena A, Díaz R, Aggerbeck Μ, Horvat M, Barouki R, Karakitsios S, Sarigiannis DA. Multi-omics analysis reveals that co-exposure to phthalates and metals disturbs urea cycle and choline metabolism. ENVIRONMENTAL RESEARCH 2021; 192:110041. [PMID: 32949613 DOI: 10.1016/j.envres.2020.110041] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/31/2020] [Accepted: 08/04/2020] [Indexed: 05/18/2023]
Abstract
This study aimed to evaluate the response of HepaRG cells after co-exposure to phthalates and heavy metals, using a high-dimensional biology paradigm (HDB). Liver is the main metabolism site for the majority of xenobiotics. For this reason, the HepaRG cell line was used as an in vitro model, and cells were exposed to two characteristic mixtures of phthalates and heavy metals containing phthalates (DEHP, DiNP, BBzP) and metals (lead, methylmercury, total mercury) in a concentration-dependent manner. The applied chemical mixtures were selected as the most abundant pollutants in the REPRO_PL and PHIME cohorts, which were studied using the exposome-wide approach in the frame of the EU project HEALS. These studies investigated the environmental causation of neurodevelopmental disorders in neonates and across Europe. The INTEGRA computational platform was used for the calculation of the effective concentrations of the chemicals in the liver through extrapolation from human biomonitoring data and this dose (and a ten-times higher one) was applied to the hepatocyte model. Multi-omics analysis was performed to reveal the genes, proteins, and metabolites affected by the exposure to these chemical mixtures. By extension, we could detect the perturbed metabolic pathways. The generated data were analyzed using advanced bioinformatic tools following the HEALS connectivity paradigm for multi-omics pathway analysis. Co-mapped transcriptomics and proteomics data showed that co-exposure to phthalates and heavy metals leads to perturbations of the urea cycle due to differential expression levels of arginase-1 and -2, argininosuccinate synthase, carbamoyl-phosphate synthase, ornithine carbamoyltransferase, and argininosuccinate lyase. Joint pathway analysis of proteomics and metabolomics data revealed that the detected proteins and metabolites, choline phosphate cytidylyltransferase A, phospholipase D3, group XIIA secretory phospholipase A2, α-phosphatidylcholine, and the a 1,2-diacyl-sn-glycero-3-phosphocholine, are responsible for the homeostasis of the metabolic pathways phosphatidylcholine biosynthesis I, and phospholipases metabolism. The urea, phosphatidylcholine biosynthesis I and phospholipase metabolic pathways are of particular interest since they have been identified also in human samples from the REPRO_PL and PHIME cohorts using untargeted metabolomics analysis and have been associated with impaired psychomotor development in children at the age of two. In conclusion, this study provides the mechanistic evidence that co-exposure to phthalates and metals disturb biochemical processes related to mitochondrial respiration during critical developmental stages, which are clinically linked to neurodevelopmental perturbations.
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Affiliation(s)
- Nafsika Papaioannou
- Environmental Engineering Laboratory, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece; HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Balkan Center, Bldg. B, 10th Km Thessaloniki-Thermi Road, 57001, Greece
| | - Emilie Distel
- INSERM UMR-S 1124, 45 Rue des Saints Pères, 75006, Paris, France; Université de Paris, 45 Rue des Saints Pères, 75006, Paris, France
| | - Eliandre de Oliveira
- Barcelona Science Park, Proteomics Platform, Barcelona Science Park, Barcelona, Spain
| | - Catherine Gabriel
- Environmental Engineering Laboratory, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece; HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Balkan Center, Bldg. B, 10th Km Thessaloniki-Thermi Road, 57001, Greece
| | - Ilias S Frydas
- Environmental Engineering Laboratory, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece; HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Balkan Center, Bldg. B, 10th Km Thessaloniki-Thermi Road, 57001, Greece
| | - Ourania Anesti
- HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Balkan Center, Bldg. B, 10th Km Thessaloniki-Thermi Road, 57001, Greece; Medical School, University of Crete, Heraklion, 71003, Greece
| | - Eléonore A Attignon
- INSERM UMR-S 1124, 45 Rue des Saints Pères, 75006, Paris, France; Université de Paris, 45 Rue des Saints Pères, 75006, Paris, France
| | - Antonia Odena
- Barcelona Science Park, Proteomics Platform, Barcelona Science Park, Barcelona, Spain
| | - Ramon Díaz
- Barcelona Science Park, Proteomics Platform, Barcelona Science Park, Barcelona, Spain; Proteomics Facility, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, 92037, USA
| | - Μartine Aggerbeck
- INSERM UMR-S 1124, 45 Rue des Saints Pères, 75006, Paris, France; Université de Paris, 45 Rue des Saints Pères, 75006, Paris, France
| | | | - Robert Barouki
- INSERM UMR-S 1124, 45 Rue des Saints Pères, 75006, Paris, France; Université de Paris, 45 Rue des Saints Pères, 75006, Paris, France; Service de Biochimie Métabolomique et Protéomique, Hôpital Universitaire Necker Enfants Malades, AP-HP, 75015, Paris, France
| | - Spyros Karakitsios
- Environmental Engineering Laboratory, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece; HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Balkan Center, Bldg. B, 10th Km Thessaloniki-Thermi Road, 57001, Greece
| | - Denis A Sarigiannis
- Environmental Engineering Laboratory, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece; HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Balkan Center, Bldg. B, 10th Km Thessaloniki-Thermi Road, 57001, Greece; School for Advanced Study (IUSS), Science, Technology and Society Department, Environmental Health Engineering, Piazza Della Vittoria 15, Pavia, 27100, Italy.
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Cheremnykh KP, Savelyev VA, Borisov SA, Ivanov ID, Baev DS, Tolstikova TG, Vavilin VA, Shults EE. Hybrides of Alkaloid Lappaconitine with Pyrimidine Motif on the Anthranilic Acid Moiety: Design, Synthesis, and Investigation of Antinociceptive Potency. Molecules 2020; 25:E5578. [PMID: 33261161 PMCID: PMC7730767 DOI: 10.3390/molecules25235578] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/13/2020] [Accepted: 11/25/2020] [Indexed: 12/17/2022] Open
Abstract
Convenient and efficient routes to construct hybrid molecules containing diterpene alkaloid lappaconitine and pyrimidine fragments are reported. One route takes place via first converting of lappaconitine to 1-ethynyl-lappaconitine, followed by the Sonogashira cross-coupling-cyclocondensation sequences. The other involves the palladium-catalyzed carbonylative Sonogashira reaction of 5'-iodolappaconitine with aryl acetylene and Mo (CO)6 as the CO source in acetonitrile and subsequent cyclocondensation reaction of the generated alkynone with amidines. The reaction proceeded cleanly in the presence of the PdCl2-(1-Ad)2PBn∙HBr catalytic system. The protocol provides mild reaction conditions, high yields, and high atom and step-economy. Pharmacological screening of lappaconitine-pyrimidine hybrids for antinociceptive activity in vivo revealed that these compounds possessed high activity in experimental pain models, which was dependent on the nature of the substituent in the 2 and 6 positions of the pyrimidine nucleus. Docking studies were undertaken to gain insight into the possible binding mode of these compounds with the voltage-gated sodium channel 1.7. The moderate toxicity of the leading compound 12 (50% lethal dose (LD50) value was more than 600 mg/kg in vivo) and cytotoxicity to cancer cell lines in vitro encouraged the further design of therapeutically relevant analogues based on this novel type of lappaconitine-pyrimidine hybrids.
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Affiliation(s)
- Kirill P. Cheremnykh
- Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Lavrentjev Avenue 9, 630090 Novosibirsk, Russia; (K.P.C.); (V.A.S.); (S.A.B.); (D.S.B.); (T.G.T.)
| | - Victor A. Savelyev
- Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Lavrentjev Avenue 9, 630090 Novosibirsk, Russia; (K.P.C.); (V.A.S.); (S.A.B.); (D.S.B.); (T.G.T.)
| | - Sergey A. Borisov
- Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Lavrentjev Avenue 9, 630090 Novosibirsk, Russia; (K.P.C.); (V.A.S.); (S.A.B.); (D.S.B.); (T.G.T.)
| | - Igor D. Ivanov
- The Federal Research Center Insitute of Molecular Biology and Biophysics, 2/12, Timakov St., 630117 Novosibirsk, Russia; (I.D.I.); (V.A.V.)
| | - Dmitry S. Baev
- Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Lavrentjev Avenue 9, 630090 Novosibirsk, Russia; (K.P.C.); (V.A.S.); (S.A.B.); (D.S.B.); (T.G.T.)
| | - Tatyana G. Tolstikova
- Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Lavrentjev Avenue 9, 630090 Novosibirsk, Russia; (K.P.C.); (V.A.S.); (S.A.B.); (D.S.B.); (T.G.T.)
| | - Valentin A. Vavilin
- The Federal Research Center Insitute of Molecular Biology and Biophysics, 2/12, Timakov St., 630117 Novosibirsk, Russia; (I.D.I.); (V.A.V.)
| | - Elvira E. Shults
- Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Lavrentjev Avenue 9, 630090 Novosibirsk, Russia; (K.P.C.); (V.A.S.); (S.A.B.); (D.S.B.); (T.G.T.)
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Yilmaz LS, Li X, Nanda S, Fox B, Schroeder F, Walhout AJ. Modeling tissue-relevant Caenorhabditis elegans metabolism at network, pathway, reaction, and metabolite levels. Mol Syst Biol 2020; 16:e9649. [PMID: 33022146 PMCID: PMC7537831 DOI: 10.15252/msb.20209649] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 09/10/2020] [Accepted: 09/11/2020] [Indexed: 01/04/2023] Open
Abstract
Metabolism is a highly compartmentalized process that provides building blocks for biomass generation during development, homeostasis, and wound healing, and energy to support cellular and organismal processes. In metazoans, different cells and tissues specialize in different aspects of metabolism. However, studying the compartmentalization of metabolism in different cell types in a whole animal and for a particular stage of life is difficult. Here, we present MEtabolic models Reconciled with Gene Expression (MERGE), a computational pipeline that we used to predict tissue-relevant metabolic function at the network, pathway, reaction, and metabolite levels based on single-cell RNA-sequencing (scRNA-seq) data from the nematode Caenorhabditis elegans. Our analysis recapitulated known tissue functions in C. elegans, captured metabolic properties that are shared with similar tissues in human, and provided predictions for novel metabolic functions. MERGE is versatile and applicable to other systems. We envision this work as a starting point for the development of metabolic network models for individual cells as scRNA-seq continues to provide higher-resolution gene expression data.
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Affiliation(s)
- Lutfu Safak Yilmaz
- Program in Systems Biology, Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Xuhang Li
- Program in Systems Biology, Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Shivani Nanda
- Program in Systems Biology, Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Bennett Fox
- Boyce Thompson Institute, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, USA
| | - Frank Schroeder
- Boyce Thompson Institute, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, USA
| | - Albertha Jm Walhout
- Program in Systems Biology, Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA, USA
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Myoclonic tremor status as a presenting symptom of adenylosuccinate lyase deficiency. Eur J Med Genet 2020; 63:104061. [PMID: 32890691 DOI: 10.1016/j.ejmg.2020.104061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 08/30/2020] [Accepted: 09/01/2020] [Indexed: 11/21/2022]
Abstract
Adenylosuccinate lyase deficiency is a rare autosomal recessive disorder of purine metabolism. The disorder manifests with developmental delay, postnatal microcephaly, hypotonia, involuntary movements, epileptic seizures, ataxia and autistic features. Paroxysmal non-epileptic motor events are not a typical presentation of the disease. We describe an 8-year-old boy who presented with an infantile onset of prolonged episodes of multifocal sustained myoclonic tremor lasting from minutes to days on a background of global developmental delay and gait ataxia. Ictal EEG during these episodes was normal. Ictal surface EMG of the involved upper limb showed a muscular activation pattern consistent with cortical myoclonus. Brain MRI showed mild cerebral atrophy. Whole exome sequencing revealed a novel homozygous variant in the ADSL gene: c.1027G > A; p. Glu343Lys, inherited from each heterozygous parent. There was a marked elevation of urine succinyladenosine, confirming the diagnosis of adenylosuccinate lyase deficiency. In conclusion, myoclonic tremor status expands the spectrum of movement disorders seen in adenylosuccinate lyase deficiency.
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Mazzarino RC, Baresova V, Zikánová M, Duval N, Wilkinson TG, Patterson D, Vacano GN. The CRISPR-Cas9 crATIC HeLa transcriptome: Characterization of a novel cellular model of ATIC deficiency and ZMP accumulation. Mol Genet Metab Rep 2020; 25:100642. [PMID: 32939338 PMCID: PMC7479443 DOI: 10.1016/j.ymgmr.2020.100642] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 08/18/2020] [Indexed: 12/15/2022] Open
Abstract
In de novo purine biosynthesis (DNPS), 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase (EC 2.1.2.3)/inosine monophosphate cyclohydrolase (EC 3.5.4.10) (ATIC) catalyzes the last two reactions of the pathway: conversion of 5-aminoimidazole-4-carboxamide ribonucleotide [aka Z-nucleotide monophosphate (ZMP)] to 5-formamido-4-imidazolecarboxamide ribonucleotide (FAICAR) then to inosine monophosphate (IMP). Mutations in ATIC cause an untreatable and devastating inborn error of metabolism in humans. ZMP is an adenosine monophosphate (AMP) mimetic and a known activator of AMP-activated protein kinase (AMPK). Recently, a HeLa cell line null mutant for ATIC was constructed via CRISPR-Cas9 mutagenesis. This mutant, crATIC, accumulates ZMP during purine starvation. Given that the mutant can accumulate ZMP in the absence of treatment with exogenous compounds, crATIC is likely an important cellular model of DNPS inactivation and ZMP accumulation. In the current study, we characterize the crATIC transcriptome versus the HeLa transcriptome in purine-supplemented and purine-depleted growth conditions. We report and discuss transcriptome changes with particular relevance to Alzheimer's disease and in genes relevant to lipid and fatty acid synthesis, neurodevelopment, embryogenesis, cell cycle maintenance and progression, extracellular matrix, immune function, TGFβ and other cellular processes.
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Key Words
- 5-aminoimidazole-4-carboxamide ribonucleoside, (AICAr)
- 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/inosine monophosphate cyclohydrolase, (ATIC)
- 5-aminoimidazole-4-carboxamide ribonucleotide, (ZMP)
- 5-formamido-4-imidazolecarboxamide ribonucleotide, (FAICAR)
- AICA-ribosiduria
- AMP-activated protein kinase, (AMPK)
- Alzheimer's disease
- Development
- Purine synthesis
- RNA-seq
- Tuberous Sclerosis Complex 1 and 2, (TSC1 and TSC2)
- adenine phosphoribosyltransferase, (APRT)
- adenosine monophosphate, (AMP)
- adenosine triphosphate, (ATP)
- adenylosuccinate lyase, (ADSL)
- arachidonic acid, (AA)
- cyclooxygenase, (COX)
- cytochrome, P450 (CYP)
- cytosolic phospholipase A2, (cPLA2)
- de novo purine synthesis, (DNPS)
- differentially expressed gene, (DEG)
- false discovery rate, (FDR)
- fatty acid amide hydrolase, (FAAH)
- fetal calf macroserum, (FCM)
- fetal calf serum, (FCS)
- fragments per kilobase of exon per million reads mapped, (FPKM)
- gene ontology, (GO)
- guanosine monophosphate, (GMP)
- inosine monophosphate, (IMP)
- interferon, (INF)
- lipoxygenase, (LOX)
- mammalian Target of Rapamycin, (mTOR)
- minus adenine crATIC to minus adenine WT comparison, (MM)
- phospholipase, (PLA)
- phosphoribosyl pyrophosphate, (PRPP)
- phosphoribosylaminoimidazole carboxylase/phosphoribosylaminoimidazole succinocarboxamide synthetase, (PAICS)
- plus adenine crATIC to plus adenine WT comparison, (PP)
- xanthine monophosphate, (XMP)
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Affiliation(s)
- Randall C Mazzarino
- Knoebel Institute for Healthy Aging, University of Denver, 2155 E. Wesley Avenue, Denver, CO 80210, USA.,Eleanor Roosevelt Institute, University of Denver, Denver, CO 80210, USA.,Department of Biological Sciences, University of Denver, Denver, CO 80210, USA.,Molecular and Cellular Biophysics Program, University of Denver, Denver, CO 80210, USA
| | - Veronika Baresova
- Research Unit for Rare Diseases, Department of Pediatrics and Adolescent Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Marie Zikánová
- Research Unit for Rare Diseases, Department of Pediatrics and Adolescent Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Nathan Duval
- Knoebel Institute for Healthy Aging, University of Denver, 2155 E. Wesley Avenue, Denver, CO 80210, USA.,Eleanor Roosevelt Institute, University of Denver, Denver, CO 80210, USA.,Department of Biological Sciences, University of Denver, Denver, CO 80210, USA
| | - Terry G Wilkinson
- Knoebel Institute for Healthy Aging, University of Denver, 2155 E. Wesley Avenue, Denver, CO 80210, USA.,Eleanor Roosevelt Institute, University of Denver, Denver, CO 80210, USA
| | - David Patterson
- Knoebel Institute for Healthy Aging, University of Denver, 2155 E. Wesley Avenue, Denver, CO 80210, USA.,Eleanor Roosevelt Institute, University of Denver, Denver, CO 80210, USA.,Molecular and Cellular Biophysics Program, University of Denver, Denver, CO 80210, USA
| | - Guido N Vacano
- Knoebel Institute for Healthy Aging, University of Denver, 2155 E. Wesley Avenue, Denver, CO 80210, USA.,Eleanor Roosevelt Institute, University of Denver, Denver, CO 80210, USA
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Ritz B, Yan Q, Uppal K, Liew Z, Cui X, Ling C, Inoue K, von Ehrenstein O, Walker DI, Jones DP. Untargeted Metabolomics Screen of Mid-pregnancy Maternal Serum and Autism in Offspring. Autism Res 2020; 13:1258-1269. [PMID: 32496662 DOI: 10.1002/aur.2311] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 03/24/2020] [Accepted: 04/15/2020] [Indexed: 12/15/2022]
Abstract
Discovering pathophysiologic networks in a blood-based approach may help to generate valuable tools for early treatment or preventive measures in autism. To date targeted or untargeted metabolomics approaches to identify metabolic features and pathways affecting fetal neurodevelopment have rarely been applied to pregnancy samples, that is, an early period potentially relevant for the development of autism spectrum disorders (ASD). We conducted a population-based study relying on autism diagnoses retrieved from California Department of Developmental Services record. After linking cases to and sampling controls from birth certificates, we retrieved stored maternal mid-pregnancy serum samples collected as part of the California Prenatal Screening Program from the California Biobank for children born 2004 to 2010 in the central valley of California. We retrieved serum for 52 mothers whose children developed autism and 62 population controls originally selected from all eligible children matched by birth year and child's sex. Also, we required that these mothers were relatively low or unexposed to air pollution and select pesticides during early pregnancy. We identified differences in metabolite levels in several metabolic pathways, including glycosphingolipid biosynthesis and metabolism, N-glycan and pyrimidine metabolism, bile acid pathways and, importantly, C21-steroid hormone biosynthesis and metabolism. Disturbances in these pathways have been shown to be relevant for neurodevelopment in rare genetic syndromes or implicated in previous studies of autism. This study provides new insight into maternal mid-pregnancy metabolic features possibly related to the development of autism and an incentive to explore whether these pathways and metabolites are useful for early diagnosis, treatment, or prevention. LAY SUMMARY: This study found that in mid-pregnancy the blood of mothers who give birth to a child that develops autism has some characteristic features that are different from those of blood samples taken from control mothers. These features are related to biologic mechanisms that can affect fetal brain development. In the future, these insights may help identify biomarkers for early autism diagnosis and treatment or preventive measures. Autism Res 2020, 13: 1258-1269. © 2020 International Society for Autism Research, Wiley Periodicals, Inc.
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Affiliation(s)
- Beate Ritz
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California, USA.,Department of Neurology, UCLA School of Medicine, Los Angeles, California, USA
| | - Qi Yan
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California, USA
| | - Karan Uppal
- Clinical Biomarkers Laboratory, Division of Pulmonary, Allergy, and Critical Care Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Zeyan Liew
- Department of Environmental Health Sciences, Yale School of Public Health, New Haven, Connecticut, USA.,Yale Center for Perinatal, Pediatric, and Environmental Epidemiology, Yale School of Public Health, New Haven, Connecticut, USA
| | - Xin Cui
- Perinatal Epidemiology and Health Outcomes Research Unit, Division of Neonatology, Department of Pediatrics, Stanford University School of Medicine and Lucile Packard Children's Hospital, Palo Alto, California, USA.,California Perinatal Quality Care Collaborative, Palo Alto, California, USA
| | - Chenxiao Ling
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California, USA
| | - Kosuke Inoue
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California, USA
| | - Ondine von Ehrenstein
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California, USA
| | - Douglas I Walker
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Dean P Jones
- Clinical Biomarkers Laboratory, Division of Pulmonary, Allergy, and Critical Care Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
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Francistiová L, Bianchi C, Di Lauro C, Sebastián-Serrano Á, de Diego-García L, Kobolák J, Dinnyés A, Díaz-Hernández M. The Role of P2X7 Receptor in Alzheimer's Disease. Front Mol Neurosci 2020; 13:94. [PMID: 32581707 PMCID: PMC7283947 DOI: 10.3389/fnmol.2020.00094] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 05/06/2020] [Indexed: 12/13/2022] Open
Abstract
Alzheimer's disease (AD) is the most prevalent neurodegenerative disease characterized by a progressive cognitive decline associated with global brain damage. Initially, intracellular paired helical filaments composed by hyperphosphorylated tau and extracellular deposits of amyloid-β (Aβ) were postulated as the causing factors of the synaptic dysfunction, neuroinflammation, oxidative stress, and neuronal death, detected in AD patients. Therefore, the vast majority of clinical trials were focused on targeting Aβ and tau directly, but no effective treatment has been reported so far. Consequently, only palliative treatments are currently available for AD patients. Over recent years, several studies have suggested the involvement of the purinergic receptor P2X7 (P2X7R), a plasma membrane ionotropic ATP-gated receptor, in the AD brain pathology. In this line, altered expression levels and function of P2X7R were found both in AD patients and AD mouse models. Consequently, genetic depletion or pharmacological inhibition of P2X7R ameliorated the hallmarks and symptoms of different AD mouse models. In this review, we provide an overview of the current knowledge about the role of the P2X7R in AD.
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Affiliation(s)
- Linda Francistiová
- BioTalentum Ltd., Gödöllõ, Hungary
- Szent István University, Gödöllõ, Hungary
| | - Carolina Bianchi
- Department of Biochemistry and Molecular Biology, Veterinary School, Complutense University of Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain
| | - Caterina Di Lauro
- Department of Biochemistry and Molecular Biology, Veterinary School, Complutense University of Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain
| | - Álvaro Sebastián-Serrano
- Department of Biochemistry and Molecular Biology, Veterinary School, Complutense University of Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain
| | - Laura de Diego-García
- Department of Biochemistry and Molecular Biology, Veterinary School, Complutense University of Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain
| | | | - András Dinnyés
- BioTalentum Ltd., Gödöllõ, Hungary
- Szent István University, Gödöllõ, Hungary
- HCEMM-USZ StemCell Research Group, University of Szeged, Szeged, Hungary
| | - Miguel Díaz-Hernández
- Department of Biochemistry and Molecular Biology, Veterinary School, Complutense University of Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain
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