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Rajan A, Fame RM. Brain development and bioenergetic changes. Neurobiol Dis 2024; 199:106550. [PMID: 38849103 DOI: 10.1016/j.nbd.2024.106550] [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: 04/15/2024] [Revised: 05/29/2024] [Accepted: 06/01/2024] [Indexed: 06/09/2024] Open
Abstract
Bioenergetics describe the biochemical processes responsible for energy supply in organisms. When these changes become dysregulated in brain development, multiple neurodevelopmental diseases can occur, implicating bioenergetics as key regulators of neural development. Historically, the discovery of disease processes affecting individual stages of brain development has revealed critical roles that bioenergetics play in generating the nervous system. Bioenergetic-dependent neurodevelopmental disorders include neural tube closure defects, microcephaly, intellectual disability, autism spectrum disorders, epilepsy, mTORopathies, and oncogenic processes. Developmental timing and cell-type specificity of these changes determine the long-term effects of bioenergetic disease mechanisms on brain form and function. Here, we discuss key metabolic regulators of neural progenitor specification, neuronal differentiation (neurogenesis), and gliogenesis. In general, transitions between glycolysis and oxidative phosphorylation are regulated in early brain development and in oncogenesis, and reactive oxygen species (ROS) and mitochondrial maturity play key roles later in differentiation. We also discuss how bioenergetics interface with the developmental regulation of other key neural elements, including the cerebrospinal fluid brain environment. While questions remain about the interplay between bioenergetics and brain development, this review integrates the current state of known key intersections between these processes in health and disease.
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Affiliation(s)
- Arjun Rajan
- Developmental Biology Graduate Program, Stanford University, Stanford, CA 94305, USA
| | - Ryann M Fame
- Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA.
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2
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Zhao T, Huang C, Zhang Y, Zhu Y, Chen X, Wang T, Shao J, Meng X, Huang Y, Wang H, Wang H, Wang B, Xu D. Prenatal 1-Nitropyrene Exposure Causes Autism-Like Behavior Partially by Altering DNA Hydroxymethylation in Developing Brain. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306294. [PMID: 38757379 PMCID: PMC11267330 DOI: 10.1002/advs.202306294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 03/13/2024] [Indexed: 05/18/2024]
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder, characterized by social communication disability and stereotypic behavior. This study aims to investigate the impact of prenatal exposure to 1-nitropyrene (1-NP), a key component of motor vehicle exhaust, on autism-like behaviors in a mouse model. Three-chamber test finds that prenatal 1-NP exposure causes autism-like behaviors during the weaning period. Patch clamp shows that inhibitory synaptic transmission is reduced in medial prefrontal cortex of 1-NP-exposed weaning pups. Immunofluorescence finds that prenatal 1-NP exposure reduces the number of prefrontal glutamate decarboxylase 67 (GAD67) positive interneurons in fetuses and weaning pups. Moreover, prenatal 1-NP exposure retards tangential migration of GAD67-positive interneurons and downregulates interneuron migration-related genes, such as Nrg1, Erbb4, and Sema3F, in fetal forebrain. Mechanistically, prenatal 1-NP exposure reduces hydroxymethylation of interneuron migration-related genes through inhibiting ten-eleven translocation (TET) activity in fetal forebrain. Supplement with alpha-ketoglutarate (α-KG), a cofactor of TET enzyme, reverses 1-NP-induced hypohydroxymethylation at specific sites of interneuron migration-related genes. Moreover, α-KG supplement alleviates 1-NP-induced migration retardation of interneurons in fetal forebrain. Finally, maternal α-KG supplement improves 1-NP-induced autism-like behaviors in weaning offspring. In conclusion, prenatal 1-NP exposure causes autism-like behavior partially by altering DNA hydroxymethylation of interneuron migration-related genes in developing brain.
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Affiliation(s)
- Ting Zhao
- Department of ToxicologySchool of Public HealthAnhui Medical UniversityHefei230022China
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Cheng‐Qing Huang
- School of Food and BioengineeringHefei University of TechnologyHefei230009China
| | - Yi‐Hao Zhang
- Department of ToxicologySchool of Public HealthAnhui Medical UniversityHefei230022China
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Yan‐Yan Zhu
- Department of ToxicologySchool of Public HealthAnhui Medical UniversityHefei230022China
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Xiao‐Xi Chen
- Department of ToxicologySchool of Public HealthAnhui Medical UniversityHefei230022China
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Tao Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Jing Shao
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Xiu‐Hong Meng
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Yichao Huang
- Department of ToxicologySchool of Public HealthAnhui Medical UniversityHefei230022China
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Hua Wang
- Department of ToxicologySchool of Public HealthAnhui Medical UniversityHefei230022China
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - Hui‐Li Wang
- School of Food and BioengineeringHefei University of TechnologyHefei230009China
| | - Bo Wang
- Department of ToxicologySchool of Public HealthAnhui Medical UniversityHefei230022China
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
| | - De‐Xiang Xu
- Department of ToxicologySchool of Public HealthAnhui Medical UniversityHefei230022China
- Key Laboratory of Environmental Toxicology of Anhui Higher Education InstitutesAnhui Medical UniversityHefei230032China
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3
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Deogharia M, Gurha P. Epigenetic regulation of heart failure. Curr Opin Cardiol 2024; 39:371-379. [PMID: 38606626 PMCID: PMC11150090 DOI: 10.1097/hco.0000000000001150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
PURPOSE OF REVIEW The studies on chromatin-modifying enzymes and how they respond to different stimuli within the cell have revolutionized our understanding of epigenetics. In this review, we provide an overview of the recent studies on epigenetic mechanisms implicated in heart failure. RECENT FINDINGS We focus on the major mechanisms and the conceptual advances in epigenetics as evidenced by studies in humans and mouse models of heart failure. The significance of epigenetic modifications and the enzymes that catalyze them is also discussed. New findings from the studies of histone lysine demethylases demonstrate their significance in regulating fetal gene expression, as well as their aberrant expression in adult hearts during HF. Similarly, the relevance of histone deacetylases inhibition in heart failure and the role of HDAC6 in cardio-protection are discussed. Finally, the role of LMNA (lamin A/C), a nuclear membrane protein that interacts with chromatin to form hundreds of large chromatin domains known as lamin-associated domains (LADs), and 3D genome structure in epigenetic regulation of gene expression and heart failure is discussed. SUMMARY Epigenetic modifications provide a mechanism for responding to stress and environmental variation, enabling reactions to both external and internal stimuli, and their dysregulation can be pathological as in heart failure. To gain a thorough understanding of the pathological mechanisms and to aid in the development of targeted treatments for heart failure, future research on studying the combined effects of numerous epigenetic changes and the structure of chromatin is warranted.
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Affiliation(s)
- Manisha Deogharia
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine, The University of Texas Health Sciences Center at Houston, Texas, USA
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Castellano-Castillo D, Ramos-Molina B, Frutos MD, Arranz-Salas I, Reyes-Engel A, Queipo-Ortuño MI, Cardona F. RNA expression changes driven by altered epigenetics status related to NASH etiology. Biomed Pharmacother 2024; 174:116508. [PMID: 38579398 DOI: 10.1016/j.biopha.2024.116508] [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: 01/11/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/07/2024] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a growing health problem due to the increased obesity rates, among other factors. In its more severe stage (NASH), inflammation, hepatocellular ballooning and fibrosis are present in the liver, which can further evolve to total liver dysfunction or even hepatocarcinoma. As a metabolic disease, is associated to environmental factors such as diet and lifestyle conditions, which in turn can influence the epigenetic landscape of the cells, affecting to the gene expression profile and chromatin organization. In this study we performed ATAC-sequencing and RNA-sequencing to interrogate the chromatin status of liver biopsies in subjects with and without NASH and its effects on RNA transcription and NASH etiology. NASH subjects showed transcriptional downregulation for lipid and glucose metabolic pathways (e.g., ABC transporters, AMPK, FoxO or insulin pathways). A total of 229 genes were differentially enriched (ATAC and mRNA) in NASH, which were mainly related to lipid transport activity, nuclear receptor-binding, dicarboxylic acid transporter, and PPARA lipid regulation. Interpolation of ATAC data with known liver enhancer regions showed differential openness at 8 enhancers, some linked to genes involved in lipid metabolism, (i.e., FASN) and glucose homeostasis (i.e., GCGR). In conclusion, the chromatin landscape is altered in NASH patients compared to patients without this liver condition. This alteration might cause mRNA changes explaining, at least partially, the etiology and pathophysiology of the disease.
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Affiliation(s)
- Daniel Castellano-Castillo
- Unidad de Gestión Clínica Intercentros de Oncología Médica, Hospitales Universitarios Regional y Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA)-CIMES-UMA, Málaga 29010, Spain
| | - Bruno Ramos-Molina
- Obesity, Diabetes and Metabolism Laboratory, Biomedical Research Institute of Murcia (IMIB), Murcia 30120, Spain.
| | - María Dolores Frutos
- General and Digestive System Surgery Department, Virgen de la Arrixaca University Hospital, Murcia 31020, Spain
| | - Isabel Arranz-Salas
- Instituto de Investigación Biomédica de Málaga-Plataforma BIONAND (IBIMA), Virgen de la Victoria University Hospital, Malaga University, 2ª Planta, Campus Teatinos S/N, Málaga 29010, Spain; Department of Human Physiology, Human Histology, Anatomical Pathology and Physical Education, Malaga University, Málaga 29010, Spain; 11 Department of Anatomical Pathology, Virgen de la Victoria Hospital, Málaga, Spain
| | - Armando Reyes-Engel
- Departamento de especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, 29010, Spain
| | - María Isabel Queipo-Ortuño
- Unidad de Gestión Clínica Intercentros de Oncología Médica, Hospitales Universitarios Regional y Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA)-CIMES-UMA, Málaga 29010, Spain; Departamento de especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, 29010, Spain.
| | - Fernando Cardona
- Departamento de especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, 29010, Spain
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Aljarrah D, Chalour N, Zorgani A, Nissan T, Pranjol MZI. Exploring the gut microbiota and its potential as a biomarker in gliomas. Biomed Pharmacother 2024; 173:116420. [PMID: 38471271 DOI: 10.1016/j.biopha.2024.116420] [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: 11/27/2023] [Revised: 02/24/2024] [Accepted: 03/07/2024] [Indexed: 03/14/2024] Open
Abstract
Gut microbiome alterations are associated with various cancers including brain tumours such as glioma and glioblastoma. The gut communicates with the brain via a bidirectional pathway known as the gut-brain axis (GBA) which is essential for maintaining homeostasis. The gut microbiota produces many metabolites including short chain fatty acids (SCFAs) and essential amino acids such as glutamate, glutamine, arginine and tryptophan. Through the modulation of these metabolites the gut microbiome is able to regulate several functions of brain cells, immune cells and tumour cells including DNA methylation, mitochondrial function, the aryl hydrocarbon receptor (AhR), T-cell proliferation, autophagy and even apoptosis. Here, we summarise current findings on gut microbiome with respect to brain cancers, an area of research that is widely overlooked. Several studies investigated the relationship between gut microbiota and brain tumours. However, it remains unclear whether the gut microbiome variation is a cause or product of cancer. Subsequently, a biomarker panel was constructed for use as a predictive, prognostic and diagnostic tool with respect to multiple cancers including glioma and glioblastoma multiforme (GBM). This review further presents the intratumoural microbiome, a fascinating microenvironment within the tumour as a possible treatment target that can be manipulated to maximise effectiveness of treatment via personalised therapy. Studies utilising the microbiome as a biomarker and therapeutic strategy are necessary to accurately assess the effectiveness of the gut microbiome as a clinical tool with respect to brain cancers.
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Affiliation(s)
- Dana Aljarrah
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton, UK.
| | - Naima Chalour
- Cognitive and Behavioural Neuroscience laboratory, Houari Boumediene University of Science and Technology, Bab Ezzouar, Algiers, Algeria; Faculty of Biological Sciences, Houari Boumediene University of Science and Technology, Bab Ezzouar, Algiers, Algeria.
| | - Amine Zorgani
- The Microbiome Mavericks, 60 rue Christian Lacouture, Bron 69500, France.
| | - Tracy Nissan
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, Stockholm, Sweden.
| | - Md Zahidul I Pranjol
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton, UK.
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Kim H, Lebeau B, Papadopoli D, Jovanovic P, Russo M, Avizonis D, Morita M, Afzali F, Ursini-Siegel J, Postovit LM, Witcher M, Topisirovic I. MTOR modulation induces selective perturbations in histone methylation which influence the anti-proliferative effects of mTOR inhibitors. iScience 2024; 27:109188. [PMID: 38433910 PMCID: PMC10904987 DOI: 10.1016/j.isci.2024.109188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/11/2024] [Accepted: 02/06/2024] [Indexed: 03/05/2024] Open
Abstract
Emerging data suggest a significant cross-talk between metabolic and epigenetic programs. However, the relationship between the mechanistic target of rapamycin (mTOR), which is a pivotal metabolic regulator, and epigenetic modifications remains poorly understood. Our results show that mTORC1 activation caused by the abrogation of its negative regulator tuberous sclerosis complex 2 (TSC2) coincides with increased levels of the histone modification H3K27me3 but not H3K4me3 or H3K9me3. This selective H3K27me3 induction was mediated via 4E-BP-dependent increase in EZH2 protein levels. Surprisingly, mTOR inhibition also selectively induced H3K27me3. This was independent of TSC2, and was paralleled by reduced EZH2 and increased EZH1 protein levels. Notably, the ability of mTOR inhibitors to induce H3K27me3 levels was positively correlated with their anti-proliferative effects. Collectively, our findings demonstrate that both activation and inhibition of mTOR selectively increase H3K27me3 by distinct mechanisms, whereby the induction of H3K27me3 may potentiate the anti-proliferative effects of mTOR inhibitors.
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Affiliation(s)
- HaEun Kim
- Department of Experimental Medicine, McGill University, Montreal, QC H3A 0G4, Canada
- Lady Davis Institute, SMBD JGH, McGill University, Montreal, QC H3T 1E2, Canada
| | - Benjamin Lebeau
- Department of Experimental Medicine, McGill University, Montreal, QC H3A 0G4, Canada
- Lady Davis Institute, SMBD JGH, McGill University, Montreal, QC H3T 1E2, Canada
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - David Papadopoli
- Lady Davis Institute, SMBD JGH, McGill University, Montreal, QC H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, McGill University, Montreal, QC H3A 0G4, Canada
| | - Predrag Jovanovic
- Department of Experimental Medicine, McGill University, Montreal, QC H3A 0G4, Canada
- Lady Davis Institute, SMBD JGH, McGill University, Montreal, QC H3T 1E2, Canada
| | - Mariana Russo
- Goodman Cancer Research Centre, Montréal, QC H3A 1A3, Canada
| | - Daina Avizonis
- Goodman Cancer Research Centre, Montréal, QC H3A 1A3, Canada
| | - Masahiro Morita
- Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
- Department of Molecular Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Farzaneh Afzali
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada
| | - Josie Ursini-Siegel
- Department of Experimental Medicine, McGill University, Montreal, QC H3A 0G4, Canada
- Lady Davis Institute, SMBD JGH, McGill University, Montreal, QC H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, McGill University, Montreal, QC H3A 0G4, Canada
- Department of Biochemistry, McGill University, Montreal, QC H3A 0G4, Canada
| | - Lynne-Marie Postovit
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada
| | - Michael Witcher
- Department of Experimental Medicine, McGill University, Montreal, QC H3A 0G4, Canada
- Lady Davis Institute, SMBD JGH, McGill University, Montreal, QC H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, McGill University, Montreal, QC H3A 0G4, Canada
| | - Ivan Topisirovic
- Department of Experimental Medicine, McGill University, Montreal, QC H3A 0G4, Canada
- Lady Davis Institute, SMBD JGH, McGill University, Montreal, QC H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, McGill University, Montreal, QC H3A 0G4, Canada
- Department of Biochemistry, McGill University, Montreal, QC H3A 0G4, Canada
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7
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Mancini C, Lori G, Pranzini E, Taddei ML. Metabolic challengers selecting tumor-persistent cells. Trends Endocrinol Metab 2024; 35:263-276. [PMID: 38071164 DOI: 10.1016/j.tem.2023.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/14/2023] [Accepted: 11/18/2023] [Indexed: 03/14/2024]
Abstract
Resistance to anticancer therapy still represents one of the main obstacles to cancer treatment. Numerous components of the tumor microenvironment (TME) contribute significantly to the acquisition of drug resistance. Microenvironmental pressures arising during cancer evolution foster tumor heterogeneity (TH) and facilitate the emergence of drug-resistant clones. In particular, metabolic pressures arising in the TME may favor epigenetic adaptations supporting the acquisition of persistence features in tumor cells. Tumor-persistent cells (TPCs) are characterized by high phenotypic and metabolic plasticity, representing a noticeable advantage in chemo- and radio-resistance. Understanding the crosslink between the evolution of metabolic pressures in the TME, epigenetics, and TPC evolution is significant for developing novel therapeutic strategies specifically targeting TPC vulnerabilities to overcome drug resistance.
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Affiliation(s)
- Caterina Mancini
- Department of Experimental and Clinical Medicine, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Giulia Lori
- Department of Experimental and Clinical Medicine, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Erica Pranzini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy.
| | - Maria Letizia Taddei
- Department of Experimental and Clinical Medicine, University of Florence, Viale Morgagni 50, 50134 Florence, Italy.
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Dillingham CM, Cormaty H, Morgan EC, Tak AI, Esgdaille DE, Boutz PL, Sridharan R. KDM3A and KDM3B Maintain Naïve Pluripotency Through the Regulation of Alternative Splicing. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.05.31.543088. [PMID: 37398291 PMCID: PMC10312572 DOI: 10.1101/2023.05.31.543088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Histone modifying enzymes play a central role in maintaining cell identity by establishing a conducive chromatin environment for lineage specific transcription factor activity. Pluripotent embryonic stem cell (ESC) identity is characterized by a lower abundance of gene repression associated histone modifications that enables rapid response to differentiation cues. The KDM3 family of histone demethylases removes the repressive histone H3 lysine 9 dimethylation (H3K9me2). Here we uncover a surprising role for the KDM3 proteins in the maintenance of the pluripotent state through post-transcriptional regulation. We find that KDM3A and KDM3B interact with RNA processing factors such as EFTUD2 and PRMT5. Acute selective degradation of the endogenous KDM3A and KDM3B proteins resulted in altered splicing independent of H3K9me2 status or catalytic activity. These splicing changes partially resemble the splicing pattern of the more blastocyst-like ground state of pluripotency and occurred in important chromatin and transcription factors such as Dnmt3b, Tbx3 and Tcf12. Our findings reveal non-canonical roles of histone demethylating enzymes in splicing to regulate cell identity.
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Affiliation(s)
- Caleb M Dillingham
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI, 53715, USA
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI, 53792, USA
- Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Harshini Cormaty
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI, 53715, USA
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI, 53792, USA
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Ellen C Morgan
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI, 53715, USA
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI, 53792, USA
| | - Andrew I Tak
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI, 53715, USA
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI, 53792, USA
- Molecular and Cellular Pharmacology Training Program, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Dakarai E Esgdaille
- Department of Biochemistry and Biophysics, Center for RNA Biology, Wilmot Cancer Center, University of Rochester School of Medicine and Dentistry
| | - Paul L Boutz
- Department of Biomedical Genetics, University of Rochester School of Medicine and Dentistry
| | - Rupa Sridharan
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI, 53715, USA
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI, 53792, USA
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9
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Zhang C, Meng Y, Han J. Emerging roles of mitochondrial functions and epigenetic changes in the modulation of stem cell fate. Cell Mol Life Sci 2024; 81:26. [PMID: 38212548 PMCID: PMC11072137 DOI: 10.1007/s00018-023-05070-6] [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: 11/01/2023] [Revised: 11/27/2023] [Accepted: 11/28/2023] [Indexed: 01/13/2024]
Abstract
Mitochondria serve as essential organelles that play a key role in regulating stem cell fate. Mitochondrial dysfunction and stem cell exhaustion are two of the nine distinct hallmarks of aging. Emerging research suggests that epigenetic modification of mitochondria-encoded genes and the regulation of epigenetics by mitochondrial metabolites have an impact on stem cell aging or differentiation. Here, we review how key mitochondrial metabolites and behaviors regulate stem cell fate through an epigenetic approach. Gaining insight into how mitochondria regulate stem cell fate will help us manufacture and preserve clinical-grade stem cells under strict quality control standards, contributing to the development of aging-associated organ dysfunction and disease.
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Affiliation(s)
- Chensong Zhang
- State Key Laboratory of Biotherapy and Cancer Center, Frontiers Science Center for Disease-Related Molecular Network, and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yang Meng
- State Key Laboratory of Biotherapy and Cancer Center, Frontiers Science Center for Disease-Related Molecular Network, and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Junhong Han
- State Key Laboratory of Biotherapy and Cancer Center, Frontiers Science Center for Disease-Related Molecular Network, and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China.
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10
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Sinenko SA, Tomilin AN. Metabolic control of induced pluripotency. Front Cell Dev Biol 2024; 11:1328522. [PMID: 38274274 PMCID: PMC10808704 DOI: 10.3389/fcell.2023.1328522] [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: 10/26/2023] [Accepted: 12/13/2023] [Indexed: 01/27/2024] Open
Abstract
Pluripotent stem cells of the mammalian epiblast and their cultured counterparts-embryonic stem cells (ESCs) and epiblast stem cells (EpiSCs)-have the capacity to differentiate in all cell types of adult organisms. An artificial process of reactivation of the pluripotency program in terminally differentiated cells was established in 2006, which allowed for the generation of induced pluripotent stem cells (iPSCs). This iPSC technology has become an invaluable tool in investigating the molecular mechanisms of human diseases and therapeutic drug development, and it also holds tremendous promise for iPSC applications in regenerative medicine. Since the process of induced reprogramming of differentiated cells to a pluripotent state was discovered, many questions about the molecular mechanisms involved in this process have been clarified. Studies conducted over the past 2 decades have established that metabolic pathways and retrograde mitochondrial signals are involved in the regulation of various aspects of stem cell biology, including differentiation, pluripotency acquisition, and maintenance. During the reprogramming process, cells undergo major transformations, progressing through three distinct stages that are regulated by different signaling pathways, transcription factor networks, and inputs from metabolic pathways. Among the main metabolic features of this process, representing a switch from the dominance of oxidative phosphorylation to aerobic glycolysis and anabolic processes, are many critical stage-specific metabolic signals that control the path of differentiated cells toward a pluripotent state. In this review, we discuss the achievements in the current understanding of the molecular mechanisms of processes controlled by metabolic pathways, and vice versa, during the reprogramming process.
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Affiliation(s)
- Sergey A. Sinenko
- Institute of Cytology, Russian Academy of Sciences, Saint-Petersburg, Russia
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11
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Deogharia M, Gurha P. Fueling cardiac myocyte proliferation. THE JOURNAL OF CARDIOVASCULAR AGING 2024; 4:2. [PMID: 38455511 PMCID: PMC10919903 DOI: 10.20517/jca.2023.47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Affiliation(s)
- Manisha Deogharia
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine, University of Texas Health Sciences Center at Houston, Houston, TX 77030, USA
| | - Priyatansh Gurha
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine, University of Texas Health Sciences Center at Houston, Houston, TX 77030, USA
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12
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Arra M, Abu-Amer Y. Cross-talk of inflammation and chondrocyte intracellular metabolism in osteoarthritis. Osteoarthritis Cartilage 2023; 31:1012-1021. [PMID: 37094761 DOI: 10.1016/j.joca.2023.04.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 04/06/2023] [Accepted: 04/11/2023] [Indexed: 04/26/2023]
Abstract
Osteoarthritis is a disease that impacts millions around the world, leading to significant financial and medical burden for patients and the healthcare system. However, no effective biomarkers or disease modifying therapeutics exist for the early identification and management of the disease. Inflammation drives chondrocytes to express extracellular matrix (ECM) degrading enzymes and interruption of this pathway is a viable target to prevent degradation of cartilage. It has been demonstrated that inflammation can alter the intracellular metabolism of chondrocytes, a process known as metabolic reprogramming. This metabolic reprogramming is critical for cartilage breakdown by shifting chondrocytes to an ECM-catabolic state and likely as a potential therapeutic target for osteoarthritis. Metabolic modulators hold the potential to reduce chondrocyte inflammatory responses and protect cartilage. In this narrative review, we explore some of the existing examples of interactions between metabolism and inflammatory pathways in chondrocytes. We summarize the impact of inflammatory stimulation on various metabolic pathways and describe several examples by which targeting of metabolism is able to modulate ECM-degrading activity of chondrocytes to protect against cartilage damage.
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Affiliation(s)
- M Arra
- Department of Orthopedic Surgery, Washington University School of Medicine, Saint Louis, MO, USA
| | - Y Abu-Amer
- Department of Orthopedic Surgery, Washington University School of Medicine, Saint Louis, MO, USA; Department of Cell Biology & Physiology, Washington University School of Medicine, Saint Louis, MO, USA; Shriners Hospital for Children, Saint Louis, MO, USA.
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13
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Kunkel TJ, Townsend A, Sullivan KA, Merlet J, Schuchman EH, Jacobson DA, Lieberman AP. The cholesterol transporter NPC1 is essential for epigenetic regulation and maturation of oligodendrocyte lineage cells. Nat Commun 2023; 14:3964. [PMID: 37407594 DOI: 10.1038/s41467-023-39733-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 06/21/2023] [Indexed: 07/07/2023] Open
Abstract
The intracellular cholesterol transporter NPC1 functions in late endosomes and lysosomes to efflux unesterified cholesterol, and its deficiency causes Niemann-Pick disease Type C, an autosomal recessive lysosomal disorder characterized by progressive neurodegeneration and early death. Here, we use single-nucleus RNA-seq on the forebrain of Npc1-/- mice at P16 to identify cell types and pathways affected early in pathogenesis. Our analysis uncovers significant transcriptional changes in the oligodendrocyte lineage during developmental myelination, accompanied by diminished maturation of myelinating oligodendrocytes. We identify upregulation of genes associated with neurogenesis and synapse formation in Npc1-/- oligodendrocyte lineage cells, reflecting diminished gene silencing by H3K27me3. Npc1-/- oligodendrocyte progenitor cells reproduce impaired maturation in vitro, and this phenotype is rescued by treatment with GSK-J4, a small molecule inhibitor of H3K27 demethylases. Moreover, mobilizing stored cholesterol in Npc1-/- mice by a single administration of 2-hydroxypropyl-β-cyclodextrin at P7 rescues myelination, epigenetic marks, and oligodendrocyte gene expression. Our findings highlight an important role for NPC1 in oligodendrocyte lineage maturation and epigenetic regulation, and identify potential targets for therapeutic intervention.
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Affiliation(s)
- Thaddeus J Kunkel
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Alice Townsend
- The Bredesen Center for Interdisciplinary Research and Graduate Education, University of Tennessee Knoxville, Knoxville, TN, USA
| | - Kyle A Sullivan
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Jean Merlet
- The Bredesen Center for Interdisciplinary Research and Graduate Education, University of Tennessee Knoxville, Knoxville, TN, USA
| | - Edward H Schuchman
- Department of Genetics and Genomic Sciences, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Daniel A Jacobson
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA.
| | - Andrew P Lieberman
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA.
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14
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Wang B, Zhao T, Chen XX, Zhu YY, Lu X, Qian QH, Chen HR, Meng XH, Wang H, Wei W, Xu DX. Gestational 1-nitropyrene exposure causes anxiety-like behavior partially by altering hippocampal epigenetic reprogramming of synaptic plasticity in male adult offspring. JOURNAL OF HAZARDOUS MATERIALS 2023; 453:131427. [PMID: 37080034 DOI: 10.1016/j.jhazmat.2023.131427] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/13/2023] [Accepted: 04/14/2023] [Indexed: 05/03/2023]
Abstract
1-Nitropyrene (1-NP), a typical nitro-polycyclic aromatic hydrocarbon, is a developmental toxicant. This study was to evaluate gestational 1-NP-induced anxiety-like behavior in male adult offspring. Pregnant mice were orally administered to 1-NP daily throughout pregnancy. Anxiety-like behaviors, as determined by Elevated Plus-Maze (EPM) and Open-Field Test (OFT), were showed in male adult offspring whose mothers were exposed to 1-NP. Gestational 1-NP exposure reduced dendritic arborization, dendritic length and dendritic spine density in ventral hippocampus of male adult offspring. Additional experiments showed that gephyrin, an inhibitory synaptic marker, was reduced in fetal forebrain and hippocampus in male adult offspring. Nrg1 and Erbb4, two gephyrin-related genes, were reduced in 1-NP-exposed fetuses. Accordingly, 5hmC contents in two CpG sites (32008909 and 32009239) of Nrg1 gene and three CpG sites (69107743, 69107866 and 69107899) of Erbb4 gene were decreased in 1-NP-exposed fetuses. Mechanistically, ten-eleven translocation (TET) activity and alpha-ketoglutarate (α-KG) content were decreased in 1-NP-exposed fetal forebrain. Supplementation with α-KG alleviated 1-NP-induced downregulation of gephyrin-related genes, prevented hippocampal synaptic damage, and improved anxiety-like behavior in male adult offspring. These results indicate that early-life 1-NP exposure causes anxiety-like behavior in male adulthood partially by altering hippocampal epigenetic reprogramming of synaptic plasticity.
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Affiliation(s)
- Bo Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Ting Zhao
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Xiao-Xi Chen
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Yan-Yan Zhu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Xue Lu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Qing-Hua Qian
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Hui-Ru Chen
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Xiu-Hong Meng
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Hua Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Wei Wei
- Key Laboratory of Anti-inflammatory & Immune Medicine, Education Ministry of China, Anhui Medical University, Hefei 230032, China.
| | - De-Xiang Xu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei 230032, China.
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15
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Zhu Y, Yan Z, Fu C, Wen X, Jia L, Zhou L, Du Z, Wang C, Wang Y, Chen J, Nie Y, Wang W, Cui J, Wang G, Hoffman AR, Hu JF, Li W. LncRNA Osilr9 coordinates promoter DNA demethylation and the intrachromosomal loop structure required for maintaining stem cell pluripotency. Mol Ther 2023; 31:1791-1806. [PMID: 36523163 PMCID: PMC10278046 DOI: 10.1016/j.ymthe.2022.12.010] [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: 01/03/2020] [Revised: 06/08/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
Nuclear reprogramming of somatic cells into a pluripotent status has the potential to create patient-specific induced pluripotent stem cells for regenerative medicine. Currently, however, the epigenetic mechanisms underlying this pluripotent reprogramming are poorly understood. To delineate this epigenetic regulatory network, we utilized a chromatin RNA in situ reverse transcription sequencing (CRIST-seq) approach to identify long noncoding RNAs (lncRNAs) embedded in the 3-dimensional intrachromosomal architecture of stem cell core factor genes. By combining CRIST-seq and RNA sequencing, we identified Oct4-Sox2 interacting lncRNA 9 (Osilr9) as a pluripotency-associated lncRNA. Osilr9 expression was associated with the status of stem cell pluripotency in reprogramming. Using short hairpin RNA (shRNA) knockdown, we showed that this lncRNA was required for the optimal maintenance of stem cell pluripotency. Overexpression of Osilr9 induced robust activation of endogenous stem cell core factor genes in fibroblasts. Osilr9 participated in the formation of the intrachromosomal looping required for the maintenance of pluripotency. After binding to the Oct4 promoter, Osilr9 recruited the DNA demethylase ten-eleven translocation 1, leading to promoter demethylation. These data demonstrate that Osilr9 is a critical chromatin epigenetic modulator that coordinates the promoter activity of core stem cell factor genes, highlighting the critical role of pluripotency-associated lncRNAs in stem cell pluripotency and reprogramming.
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Affiliation(s)
- Yanbo Zhu
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Zi Yan
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun 130021, Jilin, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Changhao Fu
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Xue Wen
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Lin Jia
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Lei Zhou
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Zhonghua Du
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Cong Wang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Yichen Wang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Jingcheng Chen
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Yuanyuan Nie
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Wenjun Wang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Jiuwei Cui
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China.
| | - Guixia Wang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun 130021, Jilin, China.
| | - Andrew R Hoffman
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China.
| | - Ji-Fan Hu
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA 94304, USA.
| | - Wei Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China.
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16
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Wang H, Xu J, Li H, Chen W, Zeng X, Sun Y, Yang Q. Alpha-ketoglutarate supplementation ameliorates ovarian reserve and oocyte quality decline with aging in mice. Mol Cell Endocrinol 2023; 571:111935. [PMID: 37098377 DOI: 10.1016/j.mce.2023.111935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/29/2023] [Accepted: 04/06/2023] [Indexed: 04/27/2023]
Abstract
Assisted reproductive technology is widely accepted as an effective treatment to improve female fertility, but the decline of aging oocyte quality remains an important factor in the decrease of female fecundity. However, the effective strategies for improving oocyte aging are still not well understood. In the study, we demonstrated that ROS content and abnormal spindle proportion were increased and mitochondrial membrane potential was decreased in aging oocytes. However, supplementation of α-ketoglutarate (α-KG), an immediate metabolite in the tricarboxylic acid cycle (TCA), for 4 months to aging mice, significantly increased the ovarian reserve showed by more follicle numbers observed. In addition, the oocyte quality was significantly improved, as demonstrated by reduced fragmentation rate and decreased reactive oxygen species (ROS) levels, in addition to a lower rate of abnormal spindle assembly, thereby improving the mitochondrial membrane potential. Consistent with the in vivo data, α-KG administration also improved the post-ovulated aging oocyte quality and early embryonic development by improving mitochondrial functions and reducing ROS accumulation and abnormal spindle assembly. Our data revealed that α-KG supplementation might be an effective strategy to improve the quality of aging oocytes in vivo or in vitro.
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Affiliation(s)
- Huan Wang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Province Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jianmin Xu
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Province Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hui Li
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Province Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wenhui Chen
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Province Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xinxin Zeng
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Province Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yingpu Sun
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Province Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Qingling Yang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Province Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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17
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Uribe-Etxebarria V, Pineda JR, García-Gallastegi P, Agliano A, Unda F, Ibarretxe G. Notch and Wnt Signaling Modulation to Enhance DPSC Stemness and Therapeutic Potential. Int J Mol Sci 2023; 24:ijms24087389. [PMID: 37108549 PMCID: PMC10138690 DOI: 10.3390/ijms24087389] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/16/2023] [Accepted: 04/16/2023] [Indexed: 04/29/2023] Open
Abstract
The Dental Pulp of permanent human teeth is home to stem cells with remarkable multilineage differentiation ability: human Dental Pulp Stem Cells (DPSCs). These cells display a very notorious expression of pluripotency core factors, and the ability to give rise to mature cell lineages belonging to the three embryonic layers. For these reasons, several researchers in the field have long considered human DPSCs as pluripotent-like cells. Notably, some signaling pathways such as Notch and Wnt contribute to maintaining the stemness of these cells through a complex network involving metabolic and epigenetic regulatory mechanisms. The use of recombinant proteins and selective pharmacological modulators of Notch and Wnt pathways, together with serum-free media and appropriate scaffolds that allow the maintenance of the non-differentiated state of hDPSC cultures could be an interesting approach to optimize the potency of these stem cells, without a need for genetic modification. In this review, we describe and integrate findings that shed light on the mechanisms responsible for stemness maintenance of hDPSCs, and how these are regulated by Notch/Wnt activation, drawing some interesting parallelisms with pluripotent stem cells. We summarize previous work on the stem cell field that includes interactions between epigenetics, metabolic regulations, and pluripotency core factor expression in hDPSCs and other stem cell types.
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Affiliation(s)
| | - Jose Ramon Pineda
- Cell Biology and Histology Department, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, 48940 Leioa, Spain
- Achucarro Basque Center for Neuroscience Fundazioa Leioa, Sede Building, 3rd Floor, 48940 Leioa, Spain
| | - Patricia García-Gallastegi
- Physiology Department, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, 48940 Leioa, Spain
| | - Alice Agliano
- Division of Radiotherapy and Imaging, Cancer Research UK Cancer Imaging Centre, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London SW7 3RP, UK
- Department of Materials and Department of Bioengineering, Institute of Biomedical Engineering, Imperial College London, Exhibition Road, London SW7 2AZ, UK
| | - Fernando Unda
- Cell Biology and Histology Department, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, 48940 Leioa, Spain
| | - Gaskon Ibarretxe
- Cell Biology and Histology Department, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, 48940 Leioa, Spain
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18
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Naeini SH, Mavaddatiyan L, Kalkhoran ZR, Taherkhani S, Talkhabi M. Alpha-ketoglutarate as a potent regulator for lifespan and healthspan: Evidences and perspectives. Exp Gerontol 2023; 175:112154. [PMID: 36934991 DOI: 10.1016/j.exger.2023.112154] [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: 12/15/2022] [Revised: 03/07/2023] [Accepted: 03/16/2023] [Indexed: 03/21/2023]
Abstract
Aging is a natural process that determined by a functional decline in cells and tissues as organisms are growing old, resulting in an increase at risk of disease and death. To this end, many efforts have been made to control aging and increase lifespan and healthspan. These efforts have led to the discovery of several anti-aging drugs and compounds such as rapamycin and metformin. Recently, alpha-ketoglutarate (AKG) has been introduced as a potential anti-aging metabolite that can control several functions in organisms, thereby increases longevity and improves healthspan. Unlike other synthetic anti-aging drugs, AKG is one of the metabolites of the tricarboxylic acid (TCA) cycle, also known as the Krebs cycle, and synthesized in the body. It plays a crucial role in the cell energy metabolism, amino acid/protein synthesis, epigenetic regulation, stemness and differentiation, fertility and reproductive health, and cancer cell behaviors. AKG exerts its effects through different mechanisms such as inhibiting mTOR and ATP-synthase, modulating DNA and histone demethylation and reducing ROS formation. Herein, we summarize the recent findings of AKG-related lifespan and healthspan studies and discuss AKG associated cell and molecular mechanisms involved in increasing longevity, improving reproduction, and modulating stem cells and cancer cells behavior. We also discuss the promises and limitations of AKG for delaying aging and other potential applications.
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Affiliation(s)
- Saghi Hakimi Naeini
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Laleh Mavaddatiyan
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Zahra Rashid Kalkhoran
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Soroush Taherkhani
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Mahmood Talkhabi
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran.
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19
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Soriano-Baguet L, Brenner D. Metabolism and epigenetics at the heart of T cell function. Trends Immunol 2023; 44:231-244. [PMID: 36774330 DOI: 10.1016/j.it.2023.01.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/06/2023] [Accepted: 01/06/2023] [Indexed: 02/11/2023]
Abstract
T cell subsets adapt and rewire their metabolism according to their functions and surrounding microenvironment. Whereas naive T cells rely on mitochondrial metabolic pathways characterized by low nutrient requirements, effector T cells induce kinetically faster pathways to generate the biomass and energy needed for proliferation and cytokine production. Recent findings support the concept that alterations in metabolism also affect the epigenetics of T cells. In this review we discuss the connections between T cell metabolism and epigenetic changes such as histone post-translational modifications (PTMs) and DNA methylation, as well as the 'extra-metabolic' roles of metabolic enzymes and molecules. These findings collectively point to a new group of potential therapeutic targets for the treatment of T cell-dependent autoimmune diseases and cancers.
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Affiliation(s)
- Leticia Soriano-Baguet
- Experimental and Molecular Immunology, Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg; Immunology and Genetics, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Dirk Brenner
- Experimental and Molecular Immunology, Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg; Immunology and Genetics, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg; Odense Research Center for Anaphylaxis, Department of Dermatology and Allergy Center, Odense University Hospital, University of Southern Denmark, Odense, Denmark.
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20
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Epigenetics and Metabolism Reprogramming Interplay into Glioblastoma: Novel Insights on Immunosuppressive Mechanisms. Antioxidants (Basel) 2023; 12:antiox12020220. [PMID: 36829778 PMCID: PMC9952003 DOI: 10.3390/antiox12020220] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/09/2023] [Accepted: 01/16/2023] [Indexed: 01/19/2023] Open
Abstract
The central nervous system represents a complex environment in which glioblastoma adapts skillfully, unleashing a series of mechanisms suitable for its efficient development and diffusion. In particular, changes in gene expression and mutational events that fall within the domain of epigenetics interact complexly with metabolic reprogramming and stress responses enacted in the tumor microenvironment, which in turn fuel genomic instability by providing substrates for DNA modifications. The aim of this review is to analyze this complex interaction that consolidates several conditions that confer a state of immunosuppression and immunoevasion, making glioblastoma capable of escaping attack and elimination by immune cells and therefore invincible against current therapies. The progressive knowledge of the cellular mechanisms that underlie the resistance of the glioblastoma represents, in fact, the only weapon to unmask its weak points to be exploited to plan successful therapeutic strategies.
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21
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Tsagaratou A. TET Proteins in the Spotlight: Emerging Concepts of Epigenetic Regulation in T Cell Biology. Immunohorizons 2023; 7:106-115. [PMID: 36645853 PMCID: PMC10152628 DOI: 10.4049/immunohorizons.2200067] [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: 11/18/2022] [Accepted: 12/21/2022] [Indexed: 01/18/2023] Open
Abstract
Ten-eleven translocation (TET) proteins are dioxygenases that oxidize 5-methylcytosine to form 5-hydroxymethylcytosine and downstream oxidized modified cytosines. In the past decade, intensive research established that TET-mediated DNA demethylation is critical for immune cell development and function. In this study, we discuss major advances regarding the role of TET proteins in regulating gene expression in the context of T cell lineage specification, function, and proliferation. Then, we focus on open questions in the field. We discuss recent findings regarding the diverse roles of TET proteins in other systems, and we ask how these findings might relate to T cell biology. Finally, we ask how this tremendous progress on understanding the multifaceted roles of TET proteins in shaping T cell identity and function can be translated to improve outcomes of human disease, such as hematological malignancies and immune response to cancer.
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Affiliation(s)
- Ageliki Tsagaratou
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC; Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC; and Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC
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22
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Park D, Lim G, Yoon SJ, Yi HS, Choi DW. The role of immunomodulatory metabolites in shaping the inflammatory response of macrophages. BMB Rep 2022; 55:519-527. [PMID: 36195564 PMCID: PMC9712705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Indexed: 12/14/2022] Open
Abstract
Macrophage activation has long been implicated in a myriad of human pathophysiology, particularly in the context of the dysregulated capacities of an unleashing intracellular or/and extracellular inflammatory response. A growing number of studies have functionally coupled the macrophages' inflammatory capacities with dynamic metabolic reprogramming which occurs during activation, albeit the results have been mostly interpreted through classic metabolism point of view; macrophages take advantage of the rewired metabolism as a source of energy and for biosynthetic precursors. However, a specific subset of metabolic products, namely immune-modulatory metabolites, has recently emerged as significant regulatory signals which control inflammatory responses in macrophages and the relevant extracellular milieu. In this review, we introduce recently highlighted immuno-modulatory metabolites, with the aim of understanding their physiological and pathological relevance in the macrophage inflammatory response. [BMB Reports 2022; 55(11): 519-527].
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Affiliation(s)
- Doyoung Park
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 35015, Korea
| | - Gyumin Lim
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 35015, Korea
| | - Sung-Jin Yoon
- Environmental Disease Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Hyon-Seung Yi
- Department of Internal Medicine and Laboratory of Endocrinology and Immune System, Chungnam National University College of Medicine, Daejeon 35015, Korea
| | - Dong Wook Choi
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 35015, Korea,Corresponding author. Tel: +82-42-821-7524; Fax: +82-42-822-7548; E-mail:
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23
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Matheson LS, Petkau G, Sáenz-Narciso B, D'Angeli V, McHugh J, Newman R, Munford H, West J, Chakraborty K, Roberts J, Łukasiak S, Díaz-Muñoz MD, Bell SE, Dimeloe S, Turner M. Multiomics analysis couples mRNA turnover and translational control of glutamine metabolism to the differentiation of the activated CD4 + T cell. Sci Rep 2022; 12:19657. [PMID: 36385275 PMCID: PMC9669047 DOI: 10.1038/s41598-022-24132-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022] Open
Abstract
The ZFP36 family of RNA-binding proteins acts post-transcriptionally to repress translation and promote RNA decay. Studies of genes and pathways regulated by the ZFP36 family in CD4+ T cells have focussed largely on cytokines, but their impact on metabolic reprogramming and differentiation is unclear. Using CD4+ T cells lacking Zfp36 and Zfp36l1, we combined the quantification of mRNA transcription, stability, abundance and translation with crosslinking immunoprecipitation and metabolic profiling to determine how they regulate T cell metabolism and differentiation. Our results suggest that ZFP36 and ZFP36L1 act directly to limit the expression of genes driving anabolic processes by two distinct routes: by targeting transcription factors and by targeting transcripts encoding rate-limiting enzymes. These enzymes span numerous metabolic pathways including glycolysis, one-carbon metabolism and glutaminolysis. Direct binding and repression of transcripts encoding glutamine transporter SLC38A2 correlated with increased cellular glutamine content in ZFP36/ZFP36L1-deficient T cells. Increased conversion of glutamine to α-ketoglutarate in these cells was consistent with direct binding of ZFP36/ZFP36L1 to Gls (encoding glutaminase) and Glud1 (encoding glutamate dehydrogenase). We propose that ZFP36 and ZFP36L1 as well as glutamine and α-ketoglutarate are limiting factors for the acquisition of the cytotoxic CD4+ T cell fate. Our data implicate ZFP36 and ZFP36L1 in limiting glutamine anaplerosis and differentiation of activated CD4+ T cells, likely mediated by direct binding to transcripts of critical genes that drive these processes.
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Affiliation(s)
- Louise S Matheson
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.
| | - Georg Petkau
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK
| | - Beatriz Sáenz-Narciso
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK
| | - Vanessa D'Angeli
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.,Present Address: IONTAS, The Works, Unity Campus, Cambridge, CB22 3EF, UK
| | - Jessica McHugh
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.,Present Address: Nature Reviews Rheumatology, The Campus, 4 Crinan Street, London, N1 9XW, UK
| | - Rebecca Newman
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.,Present Address: Immunology Research Unit, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, Herts, UK
| | - Haydn Munford
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, IBR, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - James West
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, CB2 0AW, UK
| | - Krishnendu Chakraborty
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.,Present Address: Bioanalysis, Immunogenicity and Biomarkers (BIB), IVIVT, GSK, Stevenage, SG1 2NY, UK
| | - Jennie Roberts
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
| | - Sebastian Łukasiak
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.,Present Address: Discovery Biology, Discovery Science, R&D, AstraZeneca, Cambridge, UK
| | - Manuel D Díaz-Muñoz
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.,Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Inserm UMR1291, CNRS UMR5051, University Paul Sabatier, CHU Purpan, BP3028, 31024, Toulouse, France
| | - Sarah E Bell
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK
| | - Sarah Dimeloe
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, IBR, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.,Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
| | - Martin Turner
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.
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24
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Park D, Lim G, Yoon SJ, Yi HS, Choi DW. The role of immunomodulatory metabolites in shaping the inflammatory response of macrophages. BMB Rep 2022; 55:519-527. [PMID: 36195564 PMCID: PMC9712705 DOI: 10.5483/bmbrep.2022.55.11.128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/12/2022] [Accepted: 09/20/2022] [Indexed: 07/20/2023] Open
Abstract
Macrophage activation has long been implicated in a myriad of human pathophysiology, particularly in the context of the dysregulated capacities of an unleashing intracellular or/and extracellular inflammatory response. A growing number of studies have functionally coupled the macrophages' inflammatory capacities with dynamic metabolic reprogramming which occurs during activation, albeit the results have been mostly interpreted through classic metabolism point of view; macrophages take advantage of the rewired metabolism as a source of energy and for biosynthetic precursors. However, a specific subset of metabolic products, namely immune-modulatory metabolites, has recently emerged as significant regulatory signals which control inflammatory responses in macrophages and the relevant extracellular milieu. In this review, we introduce recently highlighted immuno-modulatory metabolites, with the aim of understanding their physiological and pathological relevance in the macrophage inflammatory response. [BMB Reports 2022; 55(11): 519-527].
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Affiliation(s)
- Doyoung Park
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 35015, Korea
| | - Gyumin Lim
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 35015, Korea
| | - Sung-Jin Yoon
- Environmental Disease Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Hyon-Seung Yi
- Department of Internal Medicine and Laboratory of Endocrinology and Immune System, Chungnam National University College of Medicine, Daejeon 35015, Korea
| | - Dong Wook Choi
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 35015, Korea
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25
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Liu Y, Chen C, Wang X, Sun Y, Zhang J, Chen J, Shi Y. An Epigenetic Role of Mitochondria in Cancer. Cells 2022; 11:cells11162518. [PMID: 36010594 PMCID: PMC9406960 DOI: 10.3390/cells11162518] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/03/2022] [Accepted: 08/09/2022] [Indexed: 12/14/2022] Open
Abstract
Mitochondria are not only the main energy supplier but are also the cell metabolic center regulating multiple key metaborates that play pivotal roles in epigenetics regulation. These metabolites include acetyl-CoA, α-ketoglutarate (α-KG), S-adenosyl methionine (SAM), NAD+, and O-linked beta-N-acetylglucosamine (O-GlcNAc), which are the main substrates for DNA methylation and histone post-translation modifications, essential for gene transcriptional regulation and cell fate determination. Tumorigenesis is attributed to many factors, including gene mutations and tumor microenvironment. Mitochondria and epigenetics play essential roles in tumor initiation, evolution, metastasis, and recurrence. Targeting mitochondrial metabolism and epigenetics are promising therapeutic strategies for tumor treatment. In this review, we summarize the roles of mitochondria in key metabolites required for epigenetics modification and in cell fate regulation and discuss the current strategy in cancer therapies via targeting epigenetic modifiers and related enzymes in metabolic regulation. This review is an important contribution to the understanding of the current metabolic-epigenetic-tumorigenesis concept.
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Affiliation(s)
- Yu’e Liu
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital of Tongji University, School of Medicine, Tongji University, Shanghai 200092, China
| | - Chao Chen
- Department of Neurosurgery, Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai 200433, China
| | - Xinye Wang
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital of Tongji University, School of Medicine, Tongji University, Shanghai 200092, China
| | - Yihong Sun
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital of Tongji University, School of Medicine, Tongji University, Shanghai 200092, China
| | - Jin Zhang
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Juxiang Chen
- Department of Neurosurgery, Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai 200433, China
- Correspondence: (J.C.); (Y.S.)
| | - Yufeng Shi
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital of Tongji University, School of Medicine, Tongji University, Shanghai 200092, China
- Clinical Center for Brain and Spinal Cord Research, Tongji University, Shanghai 200092, China
- Correspondence: (J.C.); (Y.S.)
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26
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Holzknecht M, Guerrero‐Navarro L, Petit M, Albertini E, Damisch E, Simonini A, Schmitt F, Parson W, Fiegl H, Weiss A, Jansen‐Duerr P. The mitochondrial enzyme
FAHD1
regulates complex
II
activity in breast cancer cells and is indispensable for basal
BT
‐20 cells
in vitro. FEBS Lett 2022; 596:2781-2794. [DOI: 10.1002/1873-3468.14462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Max Holzknecht
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Lena Guerrero‐Navarro
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Michele Petit
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Eva Albertini
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Elisabeth Damisch
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Anna Simonini
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Fernando Schmitt
- Medical Faculty of University of Porto CINTESIS@RISE (Health Research Network), Alameda Prof. Hernâni Monteiro 4200‐319 Porto Portugal
| | - Walther Parson
- Institute of Legal Medicine Medical University of Innsbruck 6020 Innsbruck Austria
- Forensic Science Program, The Pennsylvania State University University Park PA 16801 USA
| | - Heidelinde Fiegl
- Medical University of Innsbruck, Department of Obstetrics and Gynaecology Anichstraße 35 6020 Innsbruck Austria
| | - Alexander Weiss
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Pidder Jansen‐Duerr
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
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27
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Sautchuk R, Eliseev RA. Cell energy metabolism and bone formation. Bone Rep 2022; 16:101594. [PMID: 35669927 PMCID: PMC9162940 DOI: 10.1016/j.bonr.2022.101594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 12/19/2022] Open
Abstract
Energy metabolism plays an important role in cell and tissue ability to effectively function, maintain homeostasis, and perform repair. Yet, the role of energy metabolism in skeletal tissues in general and in bone, in particular, remains understudied. We, here, review the aspects of cell energy metabolism relevant to bone tissue, such as: i) availability of substrates and oxygen; ii) metabolism regulatory mechanisms most active in bone tissue, e.g. HIF and BMP; iii) crosstalk of cell bioenergetics with other cell functions, e.g. proliferation and differentiation; iv) role of glycolysis and mitochondrial oxidative phosphorylation in osteogenic lineage; and v) most significant changes in bone energy metabolism observed in aging and other pathologies. In addition, we review available methods to study energy metabolism on a subcellular, cellular, tissue, and live animal levels.
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Affiliation(s)
- Rubens Sautchuk
- Center for Musculoskeletal Research, University of Rochester School of Medicine & Dentistry, 601 Elmwood Ave, Rochester, NY 14642, United States
| | - Roman A. Eliseev
- Center for Musculoskeletal Research, University of Rochester School of Medicine & Dentistry, 601 Elmwood Ave, Rochester, NY 14642, United States
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28
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The Emerging Significance of Histone Lysine Demethylases as Prognostic Markers and Therapeutic Targets in Head and Neck Cancers. Cells 2022; 11:cells11061023. [PMID: 35326475 PMCID: PMC8946939 DOI: 10.3390/cells11061023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 02/04/2023] Open
Abstract
Epigenetic aberrations, associated with altered DNA methylation profiles and global changes in the level of histone modifications, are commonly detected in head and neck squamous cell carcinomas (HNSCC). Recently, histone lysine demethylases have been implicated in the pathogenesis of HNSCC and emerged as potential molecular targets. Histone lysine demethylases (KDMs) catalyze the removal of methyl groups from lysine residues in histones. By affecting the methylation of H3K4, H3K9, H3K27, or H3K36, these enzymes take part in transcriptional regulation, which may result in changes in the level of expression of tumor suppressor genes and protooncogenes. KDMs are involved in many biological processes, including cell cycle control, senescence, DNA damage response, and heterochromatin formation. They are also important regulators of pluripotency. The overexpression of most KDMs has been observed in HNSCC, and their inhibition affects cell proliferation, apoptosis, cell motility, invasiveness, and stemness. Of all KDMs, KDM1, KDM4, KDM5, and KDM6 proteins are currently regarded as the most promising prognostic and therapeutic targets in head and neck cancers. The aim of this review is to present up-to-date knowledge on the significance of histone lysine demethylases in head and neck carcinogenesis and to discuss the possibility of using them as prognostic markers and pharmacological targets in patients’ treatment.
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29
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Tabibzadeh S. Resolving Geroplasticity to the Balance of Rejuvenins and Geriatrins. Aging Dis 2022; 13:1664-1714. [DOI: 10.14336/ad.2022.0414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 04/14/2022] [Indexed: 11/18/2022] Open
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30
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Lv JW, Song YP, Zhang ZC, Fan YJ, Xu FX, Gao L, Zhang XY, Zhang C, Wang H, Xu DX. Gestational arsenic exposure induces anxiety-like behaviors in adult offspring by reducing DNA hydroxymethylation in the developing brain. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 227:112901. [PMID: 34673408 DOI: 10.1016/j.ecoenv.2021.112901] [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: 08/12/2021] [Revised: 09/28/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
Several studies found that reduction of 5-hydroxymethylcytosine (5hmC), a marker of DNA hydroxymethylation highly enriched in developing brain, is associated with anxiety-like behaviors. This study aimed to investigate whether gestational arsenic (As) exposure induces anxiety-like behaviors in adult offspring by reducing DNA hydroxymethylation in the developing brain. The dams drank ultrapure water containing NaAsO2 (15 mg/L) throughout pregnancy. Anxiety-like behaviors were evaluated and developing brain 5hmC was detected. Results showed that anxiety-like behaviors were observed in As-exposed adult offspring. In addition, 5hmC content was reduced in As-exposed fetal brain. Despite no difference on Tet1, Tet2 and Tet3 expression, TET activity was suppressed in As-exposed fetal brain. Mechanistically, alpha-ketoglutarate (α-KG), a cofactor for TET dioxygenases, was reduced and Idh2, a key enzymatic gene for mitochondrial α-KG synthesis, was downregulated in As-exposed fetal brain. Of interest, ascorbic acid, a cofactor for TET dioxygenases, reversed As-induced suppression of TET activity. Moreover, ascorbic acid attenuated As-induced reduction of 5hmC in fetal brain. In addition, ascorbic acid alleviated As-induced anxiety-like behaviors in adult offspring. Taken together, these results suggest that gestational As exposure induces anxiety-like behaviors in adult offspring, possibly at part, by inhibiting DNA hydroxymethylation in developing brain.
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Affiliation(s)
- Jin-Wei Lv
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - Ya-Ping Song
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - Zhi-Cheng Zhang
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - Yi-Jun Fan
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - Fei-Xiang Xu
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - Lan Gao
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - Xiao-Yi Zhang
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - Cheng Zhang
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - Hua Wang
- Department of Toxicology, Anhui Medical University, Hefei 230032, China
| | - De-Xiang Xu
- Department of Toxicology, Anhui Medical University, Hefei 230032, China.
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31
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Traxler L, Lagerwall J, Eichhorner S, Stefanoni D, D'Alessandro A, Mertens J. Metabolism navigates neural cell fate in development, aging and neurodegeneration. Dis Model Mech 2021; 14:dmm048993. [PMID: 34345916 PMCID: PMC8353098 DOI: 10.1242/dmm.048993] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
An uninterrupted energy supply is critical for the optimal functioning of all our organs, and in this regard the human brain is particularly energy dependent. The study of energy metabolic pathways is a major focus within neuroscience research, which is supported by genetic defects in the oxidative phosphorylation mechanism often contributing towards neurodevelopmental disorders and changes in glucose metabolism presenting as a hallmark feature in age-dependent neurodegenerative disorders. However, as recent studies have illuminated roles of cellular metabolism that span far beyond mere energetics, it would be valuable to first comprehend the physiological involvement of metabolic pathways in neural cell fate and function, and to subsequently reconstruct their impact on diseases of the brain. In this Review, we first discuss recent evidence that implies metabolism as a master regulator of cell identity during neural development. Additionally, we examine the cell type-dependent metabolic states present in the adult brain. As metabolic states have been studied extensively as crucial regulators of malignant transformation in cancer, we reveal how knowledge gained from the field of cancer has aided our understanding in how metabolism likewise controls neural fate determination and stability by directly wiring into the cellular epigenetic landscape. We further summarize research pertaining to the interplay between metabolic alterations and neurodevelopmental and psychiatric disorders, and expose how an improved understanding of metabolic cell fate control might assist in the development of new concepts to combat age-dependent neurodegenerative diseases, particularly Alzheimer's disease.
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Affiliation(s)
- Larissa Traxler
- Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Tyrol 6020, Austria
| | - Jessica Lagerwall
- Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Tyrol 6020, Austria
| | - Sophie Eichhorner
- Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Tyrol 6020, Austria
| | - Davide Stefanoni
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Aurora, CO 80045, USA
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Aurora, CO 80045, USA
| | - Jerome Mertens
- Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Tyrol 6020, Austria
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
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32
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Mukha A, Kahya U, Linge A, Chen O, Löck S, Lukiyanchuk V, Richter S, Alves TC, Peitzsch M, Telychko V, Skvortsov S, Negro G, Aschenbrenner B, Skvortsova II, Mirtschink P, Lohaus F, Hölscher T, Neubauer H, Rivandi M, Labitzky V, Lange T, Franken A, Behrens B, Stoecklein NH, Toma M, Sommer U, Zschaeck S, Rehm M, Eisenhofer G, Schwager C, Abdollahi A, Groeben C, Kunz-Schughart LA, Baretton GB, Baumann M, Krause M, Peitzsch C, Dubrovska A. GLS-driven glutamine catabolism contributes to prostate cancer radiosensitivity by regulating the redox state, stemness and ATG5-mediated autophagy. Theranostics 2021; 11:7844-7868. [PMID: 34335968 PMCID: PMC8315064 DOI: 10.7150/thno.58655] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/31/2021] [Indexed: 12/11/2022] Open
Abstract
Radiotherapy is one of the curative treatment options for localized prostate cancer (PCa). The curative potential of radiotherapy is mediated by irradiation-induced oxidative stress and DNA damage in tumor cells. However, PCa radiocurability can be impeded by tumor resistance mechanisms and normal tissue toxicity. Metabolic reprogramming is one of the major hallmarks of tumor progression and therapy resistance. Specific metabolic features of PCa might serve as therapeutic targets for tumor radiosensitization and as biomarkers for identifying the patients most likely to respond to radiotherapy. The study aimed to characterize a potential role of glutaminase (GLS)-driven glutamine catabolism as a prognostic biomarker and a therapeutic target for PCa radiosensitization. Methods: We analyzed primary cell cultures and radioresistant (RR) derivatives of the conventional PCa cell lines by gene expression and metabolic assays to identify the molecular traits associated with radiation resistance. Relative radiosensitivity of the cell lines and primary cell cultures were analyzed by 2-D and 3-D clonogenic analyses. Targeting of glutamine (Gln) metabolism was achieved by Gln starvation, gene knockdown, and chemical inhibition. Activation of the DNA damage response (DDR) and autophagy was assessed by gene expression, western blotting, and fluorescence microscopy. Reactive oxygen species (ROS) and the ratio of reduced glutathione (GSH) to oxidized glutathione (GSSG) were analyzed by fluorescence and luminescence probes, respectively. Cancer stem cell (CSC) properties were investigated by sphere-forming assay, CSC marker analysis, and in vivo limiting dilution assays. Single circulating tumor cells (CTCs) isolated from the blood of PCa patients were analyzed by array comparative genome hybridization. Expression levels of the GLS1 and MYC gene in tumor tissues and amino acid concentrations in blood plasma were correlated to a progression-free survival in PCa patients. Results: Here, we found that radioresistant PCa cells and prostate CSCs have a high glutamine demand. GLS-driven catabolism of glutamine serves not only for energy production but also for the maintenance of the redox state. Consequently, glutamine depletion or inhibition of critical regulators of glutamine utilization, such as GLS and the transcription factor MYC results in PCa radiosensitization. On the contrary, we found that a combination of glutamine metabolism inhibitors with irradiation does not cause toxic effects on nonmalignant prostate cells. Glutamine catabolism contributes to the maintenance of CSCs through regulation of the alpha-ketoglutarate (α-KG)-dependent chromatin-modifying dioxygenase. The lack of glutamine results in the inhibition of CSCs with a high aldehyde dehydrogenase (ALDH) activity, decreases the frequency of the CSC populations in vivo and reduces tumor formation in xenograft mouse models. Moreover, this study shows that activation of the ATG5-mediated autophagy in response to a lack of glutamine is a tumor survival strategy to withstand radiation-mediated cell damage. In combination with autophagy inhibition, the blockade of glutamine metabolism might be a promising strategy for PCa radiosensitization. High blood levels of glutamine in PCa patients significantly correlate with a shorter prostate-specific antigen (PSA) doubling time. Furthermore, high expression of critical regulators of glutamine metabolism, GLS1 and MYC, is significantly associated with a decreased progression-free survival in PCa patients treated with radiotherapy. Conclusions: Our findings demonstrate that GLS-driven glutaminolysis is a prognostic biomarker and therapeutic target for PCa radiosensitization.
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Affiliation(s)
- Anna Mukha
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- Institute of Radiooncology - OncoRay, Helmholtz-Zentrum Dresden-Rossendorf (HZDR) Dresden, Germany
| | - Uğur Kahya
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- Institute of Radiooncology - OncoRay, Helmholtz-Zentrum Dresden-Rossendorf (HZDR) Dresden, Germany
| | - Annett Linge
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany
| | - Oleg Chen
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- Department of Cell Signaling, Institute of Cell Biology, NAS of Ukraine, Lviv, Ukraine
| | - Steffen Löck
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Vasyl Lukiyanchuk
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- Institute of Radiooncology - OncoRay, Helmholtz-Zentrum Dresden-Rossendorf (HZDR) Dresden, Germany
| | - Susan Richter
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Tiago C Alves
- Department for Clinical Pathobiochemistry, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Mirko Peitzsch
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Vladyslav Telychko
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
| | - Sergej Skvortsov
- Department of Therapeutic Radiology and Oncology, Medical University of Innsbruck, Innsbruck, Austria
- EXTRO-Lab, Tyrolean Cancer Research Institute, Innsbruck, Austria
| | - Giulia Negro
- Department of Therapeutic Radiology and Oncology, Medical University of Innsbruck, Innsbruck, Austria
- EXTRO-Lab, Tyrolean Cancer Research Institute, Innsbruck, Austria
| | - Bertram Aschenbrenner
- Department of Therapeutic Radiology and Oncology, Medical University of Innsbruck, Innsbruck, Austria
- EXTRO-Lab, Tyrolean Cancer Research Institute, Innsbruck, Austria
| | - Ira-Ida Skvortsova
- Department of Therapeutic Radiology and Oncology, Medical University of Innsbruck, Innsbruck, Austria
- EXTRO-Lab, Tyrolean Cancer Research Institute, Innsbruck, Austria
| | - Peter Mirtschink
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Fabian Lohaus
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Tobias Hölscher
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany
| | - Hans Neubauer
- Department of Obstetrics and Gynecology, Medical Faculty and University Hospital of the Heinrich-Heine University Düsseldorf, Germany
| | - Mahdi Rivandi
- Department of Obstetrics and Gynecology, Medical Faculty and University Hospital of the Heinrich-Heine University Düsseldorf, Germany
| | - Vera Labitzky
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Germany
| | - Tobias Lange
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Germany
| | - André Franken
- Department of Obstetrics and Gynecology, Medical Faculty and University Hospital of the Heinrich-Heine University Düsseldorf, Germany
| | - Bianca Behrens
- General, Visceral and Paediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Nikolas H Stoecklein
- General, Visceral and Paediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Marieta Toma
- Institute of Pathology, University of Bonn, Bonn, Germany
- Institute of Pathology, Universitätsklinikum Carl Gustav Carus Dresden, Dresden, Germany
| | - Ulrich Sommer
- Institute of Pathology, Universitätsklinikum Carl Gustav Carus Dresden, Dresden, Germany
| | - Sebastian Zschaeck
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Maximilian Rehm
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Graeme Eisenhofer
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Christian Schwager
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital (UKHD), National Center for Tumor Diseases (NCT), Heidelberg, Germany
- German Cancer Consortium (DKTK) Core Center, Clinical Cooperation Units (CCU) Translational Radiation Oncology and Radiation Oncology, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), National Center for Radiation Research in Oncology (NCRO), German Cancer Research Center (DKFZ) and Heidelberg University Hospital (UKHD), Heidelberg, Germany
- Division of Molecular and Translational Radiation Oncology, Heidelberg Medical Faculty (HDMF), Heidelberg University, Heidelberg, Germany
| | - Amir Abdollahi
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital (UKHD), National Center for Tumor Diseases (NCT), Heidelberg, Germany
- German Cancer Consortium (DKTK) Core Center, Clinical Cooperation Units (CCU) Translational Radiation Oncology and Radiation Oncology, Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), National Center for Radiation Research in Oncology (NCRO), German Cancer Research Center (DKFZ) and Heidelberg University Hospital (UKHD), Heidelberg, Germany
- Division of Molecular and Translational Radiation Oncology, Heidelberg Medical Faculty (HDMF), Heidelberg University, Heidelberg, Germany
| | - Christer Groeben
- Department of Urology, Medical Faculty Carl Gustav Carus, TU Dresden, Dresden, Germany
| | - Leoni A Kunz-Schughart
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany
| | - Gustavo B Baretton
- Institute of Pathology, Universitätsklinikum Carl Gustav Carus Dresden, Dresden, Germany
| | - Michael Baumann
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
| | - Mechthild Krause
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- Institute of Radiooncology - OncoRay, Helmholtz-Zentrum Dresden-Rossendorf (HZDR) Dresden, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany
| | - Claudia Peitzsch
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany
| | - Anna Dubrovska
- OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Germany
- Institute of Radiooncology - OncoRay, Helmholtz-Zentrum Dresden-Rossendorf (HZDR) Dresden, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany
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33
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Zakaria A, Berthault C, Cosson B, Jung V, Guerrera IC, Rachdi L, Scharfmann R. Glucose treatment of human pancreatic β-cells enhances translation of mRNAs involved in energetics and insulin secretion. J Biol Chem 2021; 297:100839. [PMID: 34051232 PMCID: PMC8253965 DOI: 10.1016/j.jbc.2021.100839] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/17/2021] [Accepted: 05/25/2021] [Indexed: 12/30/2022] Open
Abstract
Glucose-mediated signaling regulates the expression of a limited number of genes in human pancreatic β-cells at the transcriptional level. However, it is unclear whether glucose plays a role in posttranscriptional RNA processing or translational control of gene expression. Here, we asked whether glucose affects posttranscriptional steps and regulates protein synthesis in human β-cell lines. We first showed the involvement of the mTOR pathway in glucose-related signaling. We also used the surface sensing of translation technique, based on puromycin incorporation into newly translated proteins, to demonstrate that glucose treatment increased protein translation. Among the list of glucose-induced proteins, we identified the proconvertase PCSK1, an enzyme involved in the proteolytic conversion of proinsulin to insulin, whose translation was induced within minutes following glucose treatment. We finally performed global proteomic analysis by mass spectrometry to characterize newly translated proteins upon glucose treatment. We found enrichment in proteins involved in translation, glycolysis, TCA metabolism, and insulin secretion. Taken together, our study demonstrates that, although glucose minorly affects gene transcription in human β-cells, it plays a major role at the translational level.
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Affiliation(s)
- Albatoul Zakaria
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université de Paris, Paris, France
| | - Claire Berthault
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université de Paris, Paris, France
| | - Bertrand Cosson
- Epigenetics and Cell Fate Center, CNRS UMR 7216, Université de Paris, Paris, France
| | - Vincent Jung
- Plateforme protéomique Necker, INSERM US24/CNRS UMS3633, Université de Paris, Structure Fédérative de Recherche Necker, Paris, France
| | - Ida Chiara Guerrera
- Plateforme protéomique Necker, INSERM US24/CNRS UMS3633, Université de Paris, Structure Fédérative de Recherche Necker, Paris, France
| | - Latif Rachdi
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université de Paris, Paris, France.
| | - Raphael Scharfmann
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université de Paris, Paris, France.
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34
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Ma R, Wu Y, Li S, Yu X. Interplay Between Glucose Metabolism and Chromatin Modifications in Cancer. Front Cell Dev Biol 2021; 9:654337. [PMID: 33987181 PMCID: PMC8110832 DOI: 10.3389/fcell.2021.654337] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/19/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer cells reprogram glucose metabolism to meet their malignant proliferation needs and survival under a variety of stress conditions. The prominent metabolic reprogram is aerobic glycolysis, which can help cells accumulate precursors for biosynthesis of macromolecules. In addition to glycolysis, recent studies show that gluconeogenesis and TCA cycle play important roles in tumorigenesis. Here, we provide a comprehensive review about the role of glycolysis, gluconeogenesis, and TCA cycle in tumorigenesis with an emphasis on revealing the novel functions of the relevant enzymes and metabolites. These functions include regulation of cell metabolism, gene expression, cell apoptosis and autophagy. We also summarize the effect of glucose metabolism on chromatin modifications and how this relationship leads to cancer development. Understanding the link between cancer cell metabolism and chromatin modifications will help develop more effective cancer treatments.
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Affiliation(s)
- Rui Ma
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Environmental Microbial Technology Center of Hubei, School of Life Sciences, Hubei University, Wuhan, China
| | - Yinsheng Wu
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Environmental Microbial Technology Center of Hubei, School of Life Sciences, Hubei University, Wuhan, China
| | - Shanshan Li
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Environmental Microbial Technology Center of Hubei, School of Life Sciences, Hubei University, Wuhan, China.,College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, China
| | - Xilan Yu
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Environmental Microbial Technology Center of Hubei, School of Life Sciences, Hubei University, Wuhan, China
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35
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Gurnari C, Pagliuca S, Visconte V. The Interactome between Metabolism and Gene Mutations in Myeloid Malignancies. Int J Mol Sci 2021; 22:ijms22063135. [PMID: 33808599 PMCID: PMC8003366 DOI: 10.3390/ijms22063135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/10/2021] [Accepted: 03/16/2021] [Indexed: 12/19/2022] Open
Abstract
The study of metabolic deregulation in myeloid malignancies has led to the investigation of metabolic-targeted therapies considering that cells undergoing leukemic transformation have excessive energy demands for growth and proliferation. However, the most difficult challenge in agents targeting metabolism is to determine a window of therapeutic opportunities between normal and neoplastic cells, considering that all or most of the metabolic pathways important for cancer ontogeny may also regulate physiological cell functions. Targeted therapies have used the properties of leukemic cells to produce altered metabolic products when mutated. This is the case of IDH1/2 mutations generating the abnormal conversion of α-ketoglutarate (KG) to 2-hydroxyglutarate, an oncometabolite inhibiting KG-dependent enzymes, such as the TET family of genes (pivotal in characterizing leukemia cells either by mutations, e.g., TET2, or by altered expression, e.g., TET1/2/3). Additional observations derive from the high sensitivity of leukemic cells to oxidative phosphorylation and its amelioration using BCL-2 inhibitors (Venetoclax) or by disrupting the mitochondrial respiration. More recently, nicotinamide metabolism has been described to mediate resistance to Venetoclax in patients with acute myeloid leukemia. Herein, we will provide an overview of the latest research on the link between metabolic pathways interactome and leukemogenesis with a comprehensive analysis of the metabolic consequences of driver genetic lesions and exemplificative druggable pathways.
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Affiliation(s)
- Carmelo Gurnari
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (C.G.); (S.P.)
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy
- Immunology, Molecular Medicine and Applied Biotechnology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Simona Pagliuca
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (C.G.); (S.P.)
| | - Valeria Visconte
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (C.G.); (S.P.)
- Correspondence:
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36
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Milazzotto MP, de Lima CB, da Fonseca AM, dos Santos EC, Ispada J. Erasing gametes to write blastocysts: metabolism as the new player in epigenetic reprogramming. Anim Reprod 2020; 17:e20200015. [PMID: 33029209 PMCID: PMC7534565 DOI: 10.1590/1984-3143-ar2020-0015] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 04/23/2020] [Indexed: 12/13/2022] Open
Abstract
Understanding preimplantation embryonic development is crucial for the improvement of assisted reproductive technologies and animal production. To achieve this goal, it is important to consider that gametes and embryos are highly susceptible to environmental changes. Beyond the metabolic adaptation, the dynamic status imposed during follicular growth and early embryogenesis may create marks that will guide the molecular regulation during prenatal development, and consequently impact the offspring phenotype. In this context, metaboloepigenetics has gained attention, as it investigates the crosstalk between metabolism and molecular control, i.e., how substrates generated by metabolic pathways may also act as players of epigenetic modifications. In this review, we present the main metabolic and epigenetic events of pre-implantation development, and how these systems connect to open possibilities for targeted manipulation of reproductive technologies and animal production systems.
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Affiliation(s)
- Marcella Pecora Milazzotto
- Laboratório de Epigenética e Metabolismo Embrionário, Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, Brasil
- Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Camila Bruna de Lima
- Laboratório de Epigenética e Metabolismo Embrionário, Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, Brasil
- Département des Sciences Animales, Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle, Faculté des Sciences de l’Agriculture et de l’Alimentation, Université Laval, Quebec, Canada
| | - Aldcejam Martins da Fonseca
- Laboratório de Epigenética e Metabolismo Embrionário, Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, Brasil
| | - Erika Cristina dos Santos
- Laboratório de Epigenética e Metabolismo Embrionário, Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, Brasil
| | - Jessica Ispada
- Laboratório de Epigenética e Metabolismo Embrionário, Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, Brasil
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37
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Troiano A, Pacelli C, Ruggieri V, Scrima R, Addeo M, Agriesti F, Lucci V, Cavaliere G, Mollica MP, Caterino M, Ruoppolo M, Paladino S, Sarnataro D, Visconte F, Tucci F, Lopriore P, Calabrò V, Capitanio N, Piccoli C, Falco G. ZSCAN4 + mouse embryonic stem cells have an oxidative and flexible metabolic profile. EMBO Rep 2020; 21:e48942. [PMID: 32424995 DOI: 10.15252/embr.201948942] [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: 07/29/2019] [Revised: 04/16/2020] [Accepted: 04/22/2020] [Indexed: 02/06/2023] Open
Abstract
Cultured mouse embryonic stem cells are a heterogeneous population with diverse differentiation potential. In particular, the subpopulation marked by Zscan4 expression has high stem cell potency and shares with 2 cell stage preimplantation embryos both genetic and epigenetic mechanisms that orchestrate zygotic genome activation. Although embryonic de novo genome activation is known to rely on metabolites, a more extensive metabolic characterization is missing. Here we analyze the Zscan4+ mouse stem cell metabolic phenotype associated with pluripotency maintenance and cell reprogramming. We show that Zscan4+ cells have an oxidative and adaptable metabolism, which, on one hand, fuels a high bioenergetic demand and, on the other hand, provides intermediate metabolites for epigenetic reprogramming. Our findings enhance our understanding of the metastable Zscan4+ stem cell state with potential applications in regenerative medicine.
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Affiliation(s)
- Annaelena Troiano
- Department of Biology, University of Naples Federico II, Naples, Italy.,Istituto di Ricerche Genetiche Gaetano Salvatore Biogem Scarl, Ariano Irpino, Italy
| | - Consiglia Pacelli
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Vitalba Ruggieri
- Laboratory of Pre-Clinical and Translational Research, IRCCS-CROB, Referral Cancer Center of Basilicata, Rionero in Vulture, Italy
| | - Rosella Scrima
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Martina Addeo
- Department of Biology, University of Naples Federico II, Naples, Italy.,Istituto di Ricerche Genetiche Gaetano Salvatore Biogem Scarl, Ariano Irpino, Italy
| | - Francesca Agriesti
- Laboratory of Pre-Clinical and Translational Research, IRCCS-CROB, Referral Cancer Center of Basilicata, Rionero in Vulture, Italy
| | - Valeria Lucci
- Department of Biology, University of Naples Federico II, Naples, Italy.,IEOS-CNR, Institute of Experimental Endocrinology and Oncology "G. Salvatore" - National Research Council, Naples, Italy
| | - Gina Cavaliere
- Department of Biology, University of Naples Federico II, Naples, Italy
| | | | - Marianna Caterino
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Margherita Ruoppolo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Simona Paladino
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Daniela Sarnataro
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | | | - Francesco Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Piervito Lopriore
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Viola Calabrò
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Nazzareno Capitanio
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Claudia Piccoli
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Geppino Falco
- Department of Biology, University of Naples Federico II, Naples, Italy.,Istituto di Ricerche Genetiche Gaetano Salvatore Biogem Scarl, Ariano Irpino, Italy.,IEOS-CNR, Institute of Experimental Endocrinology and Oncology "G. Salvatore" - National Research Council, Naples, Italy
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38
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Gottlieb RA, Bhowmick NA. Pushing the Heart Over a KLF(15). J Am Coll Cardiol 2020; 74:1820-1822. [PMID: 31582142 DOI: 10.1016/j.jacc.2019.08.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 08/14/2019] [Accepted: 08/20/2019] [Indexed: 11/28/2022]
Affiliation(s)
- Roberta A Gottlieb
- Department of Medicine, Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California; Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, California.
| | - Neil A Bhowmick
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, California; Department of Medicine, Cedars-Sinai Cancer Center, Cedars-Sinai Medical Center, Los Angeles, California
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39
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Ghosh-Choudhary S, Liu J, Finkel T. Metabolic Regulation of Cell Fate and Function. Trends Cell Biol 2020; 30:201-212. [PMID: 31983571 PMCID: PMC7043867 DOI: 10.1016/j.tcb.2019.12.005] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 12/10/2019] [Accepted: 12/17/2019] [Indexed: 02/08/2023]
Abstract
Increasing evidence implicates metabolic pathways as key regulators of cell fate and function. Although the metabolism of glucose, amino acids, and fatty acids is essential to maintain overall energy homeostasis, the choice of a given metabolic pathway and the levels of particular substrates and intermediates increasingly appear to modulate specific cellular activities. This connection is likely related to the growing appreciation that molecules such as acetyl-CoA act as a shared currency between metabolic flux and chromatin modification. We review recent evidence for a role of metabolism in modulating cellular function in four distinct contexts. These areas include the immune system, the tumor microenvironment, the fibrotic response, and stem cell function. Together, these examples suggest that metabolic pathways do not simply provide the fuel that powers cellular activities but instead help to shape and determine cellular identity.
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Affiliation(s)
| | - Jie Liu
- Aging Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA
| | - Toren Finkel
- Aging Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15219, USA.
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40
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Sharma R, Ramanathan A. The Aging Metabolome-Biomarkers to Hub Metabolites. Proteomics 2020; 20:e1800407. [PMID: 32068959 PMCID: PMC7117067 DOI: 10.1002/pmic.201800407] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 02/04/2020] [Indexed: 12/19/2022]
Abstract
Aging biology is intimately associated with dysregulated metabolism, which is one of the hallmarks of aging. Aging-related pathways such as mTOR and AMPK, which are major targets of anti-aging interventions including rapamcyin, metformin, and exercise, either directly regulate or intersect with metabolic pathways. In this review, numerous candidate bio-markers of aging that have emerged using metabolomics are outlined. Metabolomics studies also reveal that not all metabolites are created equally. A set of core "hub" metabolites are emerging as central mediators of aging. The hub metabolites reviewed here are nicotinamide adenine dinucleotide, reduced nicotinamide dinucleotide phosphate, α-ketoglutarate, and β-hydroxybutyrate. These "hub" metabolites have signaling and epigenetic roles along with their canonical roles as co-factors or intermediates of carbon metabolism. Together these hub metabolites suggest a central role of the TCA cycle in signaling and metabolic dysregulation associated with aging.
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Affiliation(s)
- Rishi Sharma
- Buck Institute for Research on AgingNovatoCA94945USA
| | - Arvind Ramanathan
- Buck Institute for Research on AgingNovatoCA94945USA
- Institute for Stem Cell Biology and Regenerative Medicine (inStem)Bengaluru560065India
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41
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Cramer-Morales KL, Heer CD, Mapuskar KA, Domann FE. Succinate Accumulation Links Mitochondrial MnSOD Depletion to Aberrant Nuclear DNA Methylation and Altered Cell Fate. JOURNAL OF EXPERIMENTAL PATHOLOGY 2020; 1:60-70. [PMID: 33585836 PMCID: PMC7876477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Previous studies showed that human cell line HEK293 lacking mitochondrial superoxide dismutase (MnSOD) exhibited decreased succinate dehydrogenase (SDH) activity, and mice lacking MnSOD displayed significant reductions in SDH and aconitase activities. Since MnSOD has significant effects on SDH activity, and succinate is a key regulator of TET enzymes needed for proper differentiation, we hypothesized that SOD2 loss would lead to succinate accumulation, inhibition of TET activity, and impaired erythroid precursor differentiation. To test this hypothesis, we genetically disrupted the SOD2 gene using the CRISPR/Cas9 genetic strategy in a human erythroleukemia cell line (HEL 92.1.7) capable of induced differentiation toward an erythroid phenotype. Cells obtained in this manner displayed significant inhibition of SDH activity and ~10-fold increases in cellular succinate levels compared to their parent cell controls. Furthermore, SOD2 -/- cells exhibited significantly reduced TET enzyme activity concomitant with decreases in genomic 5-hmC and corresponding increases in 5-mC. Finally, when stimulated with δ-aminolevulonic acid (δ-ALA), SOD2 -/- HEL cells failed to properly differentiate toward an erythroid phenotype, likely due to failure to complete the necessary global DNA demethylation program required for erythroid maturation. Together, our findings support the model of an SDH/succinate/TET axis and a role for succinate as a retrograde signaling molecule of mitochondrial origin that significantly perturbs nuclear epigenetic reprogramming and introduce MnSOD as a governor of the SDH/succinate/TET axis.
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Affiliation(s)
- Kimberly L. Cramer-Morales
- Department of Radiation Oncology, The University of Iowa, Iowa City, Iowa 52242, USA,Department of Surgery, The University of Iowa, Iowa City, Iowa 52242, USA
| | - Collin D. Heer
- Department of Radiation Oncology, The University of Iowa, Iowa City, Iowa 52242, USA
| | - Kranti A. Mapuskar
- Department of Radiation Oncology, The University of Iowa, Iowa City, Iowa 52242, USA
| | - Frederick E. Domann
- Department of Radiation Oncology, The University of Iowa, Iowa City, Iowa 52242, USA,Department of Surgery, The University of Iowa, Iowa City, Iowa 52242, USA,Department of Pathology, The University of Iowa, Iowa City, Iowa 52242, USA,Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, Iowa 52242, USA,Correspondence should be addressed to Frederick E. Domann;
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Brumbaugh J, Di Stefano B, Hochedlinger K. Reprogramming: identifying the mechanisms that safeguard cell identity. Development 2019; 146:146/23/dev182170. [PMID: 31792064 DOI: 10.1242/dev.182170] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Development and homeostasis rely upon concerted regulatory pathways to establish the specialized cell types needed for tissue function. Once a cell type is specified, the processes that restrict and maintain cell fate are equally important in ensuring tissue integrity. Over the past decade, several approaches to experimentally reprogram cell fate have emerged. Importantly, efforts to improve and understand these approaches have uncovered novel molecular determinants that reinforce lineage commitment and help resist cell fate changes. In this Review, we summarize recent studies that have provided insights into the various chromatin factors, post-transcriptional processes and features of genomic organization that safeguard cell identity in the context of reprogramming to pluripotency. We also highlight how these factors function in other experimental, physiological and pathological cell fate transitions, including direct lineage conversion, pluripotency-to-totipotency reversion and cancer.
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Affiliation(s)
- Justin Brumbaugh
- Department of Molecular, Cellular, and Developmental Biology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Bruno Di Stefano
- Department of Molecular Biology, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA.,Cancer Center, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA.,Department of Genetics, Harvard Medical School, Boston, 77 Avenue Louis Pasteur, Boston, MA 02115, USA.,Harvard Stem Cell Institute, 1350 Massachusetts Avenue, Cambridge, MA 02138, USA
| | - Konrad Hochedlinger
- Department of Molecular Biology, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA .,Center for Regenerative Medicine, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA.,Cancer Center, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA.,Department of Genetics, Harvard Medical School, Boston, 77 Avenue Louis Pasteur, Boston, MA 02115, USA.,Harvard Stem Cell Institute, 1350 Massachusetts Avenue, Cambridge, MA 02138, USA
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Tran KA, Dillingham CM, Sridharan R. Coordinated removal of repressive epigenetic modifications during induced reversal of cell identity. EMBO J 2019; 38:e101681. [PMID: 31583744 DOI: 10.15252/embj.2019101681] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 09/03/2019] [Accepted: 09/12/2019] [Indexed: 01/20/2023] Open
Abstract
Epigenetic modifications operate in concert to maintain cell identity, yet how these interconnected networks suppress alternative cell fates remains unknown. Here, we uncover a link between the removal of repressive histone H3K9 methylation and DNA methylation during the reprogramming of somatic cells to pluripotency. The H3K9me2 demethylase, Kdm3b, transcriptionally controls DNA hydroxymethylase Tet1 expression. Unexpectedly, in the absence of Kdm3b, loci that must be DNA demethylated are trapped in an intermediate hydroxymethylated (5hmC) state and do not resolve to unmethylated cytosine. Ectopic 5hmC trapping precludes the chromatin association of master pluripotency factor, POU5F1, and pluripotent gene activation. Increased Tet1 expression is important for the later intermediates of the reprogramming process. Taken together, coordinated removal of distinct chromatin modifications appears to be an important mechanism for altering cell identity.
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Affiliation(s)
- Khoa A Tran
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI, USA
| | - Caleb M Dillingham
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI, USA
| | - Rupa Sridharan
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI, USA.,Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI, USA
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