1
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Fang Y, Min S, Shen H. The role of mitochondrial fusion and fission in immune-mediated inflammatory diseases. Cell Immunol 2024; 403-404:104864. [PMID: 39190985 DOI: 10.1016/j.cellimm.2024.104864] [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: 06/17/2024] [Revised: 08/21/2024] [Accepted: 08/22/2024] [Indexed: 08/29/2024]
Abstract
Mitochondria are highly dynamic organelles that maintain their homeostasis through mitochondrial dynamics. Mitochondrial fusion and fission are two important processes of mitochondrial dynamics. There is accumulating evidence that mitochondrial fusion and fission play an important role in the development of immune-mediated inflammatory diseases. This article provides a brief review of the essential role of mitochondrial fusion and fission in immune-mediated inflammatory diseases. It will provide a novel perspective and direction for the elucidation of the pathogenesis and treatment of immune-mediated inflammatory diseases.
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Affiliation(s)
- Yulai Fang
- Nanjing University of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China; Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing 210029, China
| | - Shichen Min
- Nanjing University of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Hong Shen
- Nanjing University of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China; Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing 210029, China.
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2
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Budi YP, Hsu MC, Lin YC, Lee YJ, Chiu HY, Chiu CH, Jiang YF. The injections of mitochondrial fusion promoter M1 during proestrus disrupt the progesterone secretion and the estrous cycle in the mouse. Sci Rep 2023; 13:2392. [PMID: 36765080 PMCID: PMC9918500 DOI: 10.1038/s41598-023-29608-7] [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: 09/12/2022] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
After ovulation, the mitochondrial enzyme CYP11A1 cleavage the cholesterol into pregnenolone for progesterone synthesis, suggesting that mitochondrial dynamics play a vital role in the female reproductive system. The changes in the mitochondria dynamics throughout the ovarian cycle have been reported in literature, but the correlation to its role in the ovarian cycle remains unclear. In this study, mitochondrial fusion promotor, M1, was used to study the impact of mitochondria dynamics in the female reproductive system. Our results showed that M1 treatment in mice can lead to the disruptions of estrous cycles in vagina smears. The decrease in serum LH was recorded in the animal. And the inhibitions of progesterone secretion and ovulations were observed in ovarian culture. Although no significant changes in mitochondrial networks were observed in the ovaries, significant up-regulation of mitochondrial respiratory complexes was revealed in M1 treatments through transcriptomic analysis. In contrast to the estrogen and steroid biosynthesis up-regulated in M1, the molecules of extracellular matrix, remodeling enzymes, and adhesion signalings were decreased. Collectively, our study provides novel targets to regulate the ovarian cycles through the mitochondria. However, more studies are still necessary to provide the functional connections between mitochondria and the female reproductive systems.
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Affiliation(s)
- Yovita Permata Budi
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Rm. 104-1, No.1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan.,School of Veterinary Medicine, National Taiwan University, Taipei, 10617, Taiwan
| | - Meng-Chieh Hsu
- Department of Animal Science and Technology, National Taiwan University, Taipei, 10617, Taiwan
| | - Yi-Chun Lin
- Department of Animal Science, National Chung Hsing University, Taichung, 40227, Taiwan
| | - Yue-Jia Lee
- Institute of Food Science and Technology, National Taiwan University, Taipei, 10617, Taiwan
| | - Hsin-Yi Chiu
- Division of Thoracic Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei, 11031, Taiwan.,Department of Medical Education, Taipei Medical University Hospital, Taipei, 11031, Taiwan.,Department of Education and Humanities in Medicine, School of Medicine, Taipei Medical University, Taipei, 11031, Taiwan.,Department of Surgery, School of Medicine, Taipei Medical University, Taipei, 11031, Taiwan
| | - Chih-Hsien Chiu
- Department of Animal Science and Technology, National Taiwan University, Taipei, 10617, Taiwan
| | - Yi-Fan Jiang
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Rm. 104-1, No.1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan. .,School of Veterinary Medicine, National Taiwan University, Taipei, 10617, Taiwan.
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3
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Wang R, Xu H, Tan B, Yi Q, Sun Y, Xiang H, Chen T, Liu H, Xie Q, Wang L, Tian J, Zhu J. SIRT3 promotes metabolic maturation of human iPSC-derived cardiomyocytes via OPA1-controlled mitochondrial dynamics. Free Radic Biol Med 2023; 195:270-282. [PMID: 36596388 DOI: 10.1016/j.freeradbiomed.2022.12.101] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/24/2022] [Accepted: 12/28/2022] [Indexed: 01/01/2023]
Abstract
The metabolic patterns and energetics of human induced pluripotent stem cell-derived cardiomyocytes (HiPSC-CMs) are much less than those of normal adult cardiomyocytes, which has limited their application in disease therapy and regenerative medicine. It has been demonstrated that SIRT3, a mitochondria-target deacetylase, controls mitochondrial metabolism in physiological and pathological conditions. In this research, We investigated the role and regulatory mechanism of SIRT3 in energy metabolism in HiPSC-CMs. We found that the expression of SIRT3 was increased during the differentiation and maturation of HiPSC-CMs. Knocking down SIRT3 impaired mitochondrial structure, mitochondrial respiration capacity, and fatty acid oxidation but enhanced glycolysis. However, honokiol, a pharmacological activator of SIRT3, improved the mitochondrial ultrastructure and energetics, and promoted oxidative phosphorylation in HiPSC-CMs. Furthermore, SIRT3 regulated the acetylation of OPA1, and the knockdown of OPA1 blocked the promotion of energy metabolism by honokiol, meanwhile, knocking down OPA1 impaired mitochondrial fusion, mitochondrial respiration capacity, and fatty acid oxidation which were reversed by M1 (a mitochondrial fusion promoter) in HiPSC-CMs. In summary, SIRT3 regulated energetics and promoted metabolism remodeling by targeting the OPA1-controlled mitochondrial dynamics in HiPSC-CMs, and targeting SIRT3 may have revelatory implications in the treatment of cardiovascular diseases and the application of HiPSC-CMs to regenerative medicine.
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Affiliation(s)
- Rui Wang
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Hao Xu
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China; Department of Clinical Laboratory, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Bin Tan
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Qin Yi
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Yanting Sun
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Han Xiang
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Tangtian Chen
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Huiwen Liu
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Qiumin Xie
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Li Wang
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Jie Tian
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China; Department of Cardiovascular Internal Medicine, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Jing Zhu
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China.
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4
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Lyu Q, Gong S, Lees JG, Yin J, Yap LW, Kong AM, Shi Q, Fu R, Zhu Q, Dyer A, Dyson JM, Lim SY, Cheng W. A soft and ultrasensitive force sensing diaphragm for probing cardiac organoids instantaneously and wirelessly. Nat Commun 2022; 13:7259. [PMID: 36433978 PMCID: PMC9700778 DOI: 10.1038/s41467-022-34860-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 11/09/2022] [Indexed: 11/27/2022] Open
Abstract
Time-lapse mechanical properties of stem cell derived cardiac organoids are important biological cues for understanding contraction dynamics of human heart tissues, cardiovascular functions and diseases. However, it remains difficult to directly, instantaneously and accurately characterize such mechanical properties in real-time and in situ because cardiac organoids are topologically complex, three-dimensional soft tissues suspended in biological media, which creates a mismatch in mechanics and topology with state-of-the-art force sensors that are typically rigid, planar and bulky. Here, we present a soft resistive force-sensing diaphragm based on ultrasensitive resistive nanocracked platinum film, which can be integrated into an all-soft culture well via an oxygen plasma-enabled bonding process. We show that a reliable organoid-diaphragm contact can be established by an 'Atomic Force Microscope-like' engaging process. This allows for instantaneous detection of the organoids' minute contractile forces and beating patterns during electrical stimulation, resuscitation, drug dosing, tissue culture, and disease modelling.
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Affiliation(s)
- Quanxia Lyu
- grid.1002.30000 0004 1936 7857Department of Chemical & Biological Engineering, Monash University, Clayton, VIC 3800 Australia
| | - Shu Gong
- grid.1002.30000 0004 1936 7857Department of Chemical & Biological Engineering, Monash University, Clayton, VIC 3800 Australia
| | - Jarmon G. Lees
- grid.1073.50000 0004 0626 201XO’Brien Institute Department, St. Vincent’s Institute of Medical Research, Fitzroy, VIC Australia ,grid.1008.90000 0001 2179 088XDepartment of Medicine and Surgery, University of Melbourne, Melbourne, VIC Australia
| | - Jialiang Yin
- grid.1002.30000 0004 1936 7857Department of Chemical & Biological Engineering, Monash University, Clayton, VIC 3800 Australia
| | - Lim Wei Yap
- grid.1002.30000 0004 1936 7857Department of Chemical & Biological Engineering, Monash University, Clayton, VIC 3800 Australia
| | - Anne M. Kong
- grid.1073.50000 0004 0626 201XO’Brien Institute Department, St. Vincent’s Institute of Medical Research, Fitzroy, VIC Australia
| | - Qianqian Shi
- grid.1002.30000 0004 1936 7857Department of Chemical & Biological Engineering, Monash University, Clayton, VIC 3800 Australia
| | - Runfang Fu
- grid.1002.30000 0004 1936 7857Department of Chemical & Biological Engineering, Monash University, Clayton, VIC 3800 Australia
| | - Qiang Zhu
- grid.410660.5The Melbourne Centre for Nanofabrication, Clayton, VIC 3800 Australia
| | - Ash Dyer
- grid.410660.5The Melbourne Centre for Nanofabrication, Clayton, VIC 3800 Australia
| | - Jennifer M. Dyson
- Department of Biochemistry & Molecular Biology, Biomedicine Discovery Institute, Clayton, VIC 3800 Australia ,grid.1002.30000 0004 1936 7857Faculty of Engineering, Monash Institute of Medical Engineering (MIME), Monash University, Clayton, VIC 3800 Australia
| | - Shiang Y. Lim
- grid.1073.50000 0004 0626 201XO’Brien Institute Department, St. Vincent’s Institute of Medical Research, Fitzroy, VIC Australia ,grid.1008.90000 0001 2179 088XDepartment of Medicine and Surgery, University of Melbourne, Melbourne, VIC Australia ,grid.1002.30000 0004 1936 7857Drug Discovery Biology, Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Parkville, VIC, Australia ,grid.419385.20000 0004 0620 9905National Heart Research Institute Singapore, National Heart Centre, Singapore, Singapore
| | - Wenlong Cheng
- grid.1002.30000 0004 1936 7857Department of Chemical & Biological Engineering, Monash University, Clayton, VIC 3800 Australia ,grid.410660.5The Melbourne Centre for Nanofabrication, Clayton, VIC 3800 Australia
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5
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Persad KL, Lopaschuk GD. Energy Metabolism on Mitochondrial Maturation and Its Effects on Cardiomyocyte Cell Fate. Front Cell Dev Biol 2022; 10:886393. [PMID: 35865630 PMCID: PMC9294643 DOI: 10.3389/fcell.2022.886393] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/20/2022] [Indexed: 12/12/2022] Open
Abstract
Alterations in energy metabolism play a major role in the lineage of cardiomyocytes, such as the dramatic changes that occur in the transition from neonate to newborn. As cardiomyocytes mature, they shift from a primarily glycolytic state to a mitochondrial oxidative metabolic state. Metabolic intermediates and metabolites may have epigenetic and transcriptional roles in controlling cell fate by increasing mitochondrial biogenesis. In the maturing cardiomyocyte, such as in the postnatal heart, fatty acid oxidation increases in conjunction with increased mitochondrial biogenesis driven by the transcriptional coregulator PGC1-α. PGC1-α is necessary for mitochondrial biogenesis in the heart at birth, with deficiencies leading to postnatal cardiomyopathy. While stem cell therapy as a treatment for heart failure requires further investigation, studies suggest that adult stem cells may secrete cardioprotective factors which may regulate cardiomyocyte differentiation and survival. This review will discuss how metabolism influences mitochondrial biogenesis and how mitochondrial biogenesis influences cell fate, particularly in the context of the developing cardiomyocyte. The implications of energy metabolism on stem cell differentiation into cardiomyocytes and how this may be utilized as a therapy against heart failure and cardiovascular disease will also be discussed.
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6
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Luan Y, Ren KD, Luan Y, Chen X, Yang Y. Mitochondrial Dynamics: Pathogenesis and Therapeutic Targets of Vascular Diseases. Front Cardiovasc Med 2021; 8:770574. [PMID: 34938787 PMCID: PMC8685340 DOI: 10.3389/fcvm.2021.770574] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 10/25/2021] [Indexed: 12/12/2022] Open
Abstract
Vascular diseases, particularly atherosclerosis, are associated with high morbidity and mortality. Endothelial cell (EC) or vascular smooth muscle cell (VSMC) dysfunction leads to blood vessel abnormalities, which cause a series of vascular diseases. The mitochondria are the core sites of cell energy metabolism and function in blood vessel development and vascular disease pathogenesis. Mitochondrial dynamics, including fusion and fission, affect a variety of physiological or pathological processes. Multiple studies have confirmed the influence of mitochondrial dynamics on vascular diseases. This review discusses the regulatory mechanisms of mitochondrial dynamics, the key proteins that mediate mitochondrial fusion and fission, and their potential effects on ECs and VSMCs. We demonstrated the possibility of mitochondrial dynamics as a potential target for the treatment of vascular diseases.
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Affiliation(s)
- Yi Luan
- Department of Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Kai-Di Ren
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Ying Luan
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Xing Chen
- Department of Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yang Yang
- Department of Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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7
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Ding Q, Qi Y, Tsang SY. Mitochondrial Biogenesis, Mitochondrial Dynamics, and Mitophagy in the Maturation of Cardiomyocytes. Cells 2021; 10:cells10092463. [PMID: 34572112 PMCID: PMC8466139 DOI: 10.3390/cells10092463] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/09/2021] [Accepted: 09/15/2021] [Indexed: 01/01/2023] Open
Abstract
Pluripotent stem cells (PSCs) can undergo unlimited self-renewal and can differentiate into all the cell types present in our body, including cardiomyocytes. Therefore, PSCs can be an excellent source of cardiomyocytes for future regenerative medicine and medical research studies. However, cardiomyocytes obtained from PSC differentiation culture are regarded as immature structurally, electrophysiologically, metabolically, and functionally. Mitochondria are organelles responsible for various cellular functions such as energy metabolism, different catabolic and anabolic processes, calcium fluxes, and various signaling pathways. Cells can respond to cellular needs to increase the mitochondrial mass by mitochondrial biogenesis. On the other hand, cells can also degrade mitochondria through mitophagy. Mitochondria are also dynamic organelles that undergo continuous fusion and fission events. In this review, we aim to summarize previous findings on the changes of mitochondrial biogenesis, mitophagy, and mitochondrial dynamics during the maturation of cardiomyocytes. In addition, we intend to summarize whether changes in these processes would affect the maturation of cardiomyocytes. Lastly, we aim to discuss unanswered questions in the field and to provide insights for the possible strategies of enhancing the maturation of PSC-derived cardiomyocytes.
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Affiliation(s)
- Qianqian Ding
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China;
| | - Yanxiang Qi
- State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong, China;
| | - Suk-Ying Tsang
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China;
- State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong, China;
- Key Laboratory for Regenerative Medicine, Ministry of Education, The Chinese University of Hong Kong, Hong Kong, China
- The Institute for Tissue Engineering and Regenerative Medicine (iTERM), The Chinese University of Hong Kong, Hong Kong, China
- Correspondence: ; Tel.: +852-39431020
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8
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Caballano-Infantes E, Díaz I, Hitos AB, Cahuana GM, Martínez-Ruiz A, Soria-Juan B, Rodríguez-Griñolo R, Hmadcha A, Martín F, Soria B, Tejedo JR, Bedoya FJ. Stemness of Human Pluripotent Cells: Hypoxia-Like Response Induced by Low Nitric Oxide. Antioxidants (Basel) 2021; 10:antiox10091408. [PMID: 34573040 PMCID: PMC8472328 DOI: 10.3390/antiox10091408] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/20/2021] [Accepted: 08/27/2021] [Indexed: 12/20/2022] Open
Abstract
The optimization of conditions to promote the stemness of pluripotent cells in vitro is instrumental for their use in advanced therapies. We show here that exposure of human iPSCs and human ESCs to low concentrations of the chemical NO donor DETA/NO leads to stabilization of hypoxia-inducible factors (HIF-1α and HIF-2α) under normoxia, with this effect being dependent on diminished Pro 402 hydroxylation and decreased degradation by the proteasome. Moreover, the master genes of pluripotency, NANOG and OCT-4, were upregulated. NO also induces a shift in the metabolic profile of PSCs, with an increased expression of hypoxia response genes in glycolysis. Furthermore, a reduction in the mitochondrial membrane potential with lower oxygen consumption and increased expression of mitochondrial fusion regulators, such as DRP1, was observed. The results reported here indicate that NO mimics hypoxia response in human PSCs and enhances their stemness properties when cultured under normoxic conditions.
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Affiliation(s)
- Estefanía Caballano-Infantes
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, 41013 Seville, Spain; (I.D.); (A.B.H.); (A.H.); (F.M.); (J.R.T.)
- Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, 41013 Seville, Spain;
- Correspondence: (E.C.-I.); (F.J.B.)
| | - Irene Díaz
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, 41013 Seville, Spain; (I.D.); (A.B.H.); (A.H.); (F.M.); (J.R.T.)
- Biomedical Research Network for Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, 08036 Madrid, Spain;
| | - Ana Belén Hitos
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, 41013 Seville, Spain; (I.D.); (A.B.H.); (A.H.); (F.M.); (J.R.T.)
- Biomedical Research Network for Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, 08036 Madrid, Spain;
| | - Gladys Margot Cahuana
- Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, 41013 Seville, Spain;
- Biomedical Research Network for Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, 08036 Madrid, Spain;
| | - Antonio Martínez-Ruiz
- Unidad de Investigación, Hospital Universitario Santa Cristina, Instituto de Investigación Sanitaria Princesa (IIS-IP), E-28009 Madrid, Spain;
| | | | - Rosario Rodríguez-Griñolo
- Departamento de Economía, Métodos Cuantitativo e Historia Económica, Universidad Pablo de Olavide, 41013 Seville, Spain;
| | - Abdelkrim Hmadcha
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, 41013 Seville, Spain; (I.D.); (A.B.H.); (A.H.); (F.M.); (J.R.T.)
- Biomedical Research Network for Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, 08036 Madrid, Spain;
| | - Franz Martín
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, 41013 Seville, Spain; (I.D.); (A.B.H.); (A.H.); (F.M.); (J.R.T.)
- Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, 41013 Seville, Spain;
- Biomedical Research Network for Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, 08036 Madrid, Spain;
| | - Bernat Soria
- Biomedical Research Network for Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, 08036 Madrid, Spain;
- ISABIAL and Institute of Bioengineering, University Miguel Hernández de Elche, 03010 Alicante, Spain
| | - Juan R. Tejedo
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, 41013 Seville, Spain; (I.D.); (A.B.H.); (A.H.); (F.M.); (J.R.T.)
- Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, 41013 Seville, Spain;
- Biomedical Research Network for Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, 08036 Madrid, Spain;
| | - Francisco Javier Bedoya
- Department of Regeneration and Cell Therapy, Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, 41013 Seville, Spain; (I.D.); (A.B.H.); (A.H.); (F.M.); (J.R.T.)
- Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, 41013 Seville, Spain;
- Biomedical Research Network for Diabetes and Related Metabolic Diseases-CIBERDEM, Instituto de Salud Carlos III, 08036 Madrid, Spain;
- Correspondence: (E.C.-I.); (F.J.B.)
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9
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Gupta D, Abdullah TS. Regulation of mitochondrial dynamics in skin: role in pathophysiology. Int J Dermatol 2021; 61:541-547. [PMID: 34363608 DOI: 10.1111/ijd.15744] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/04/2021] [Accepted: 06/02/2021] [Indexed: 11/30/2022]
Abstract
Skin is a dynamic interface between the external environment and internal organs. It has high turnover that allows the renewal of dead skin cells, thus maintaining a healthy skin homeostasis. Mitochondria fulfills all the energy needs for these cells. In addition, mitochondria are an active source of free radicals that have been determined as crucially important in skin health and disease. The common notion of limited role of mitochondria as merely the cellular powerhouse has drastically changed. Several extracellular stressors have proved to induce impairment in the dynamic properties of mitochondria such as fusion and fission, which further leads to an activation of selective autophagic response known as mitophagy. Altered mitochondrial dynamics have been lately associated with skin photodamage and cutaneous manifestations of several diseased states, thereby suggesting it to be an effective therapeutic target. This review summarizes the molecular mechanisms involved with impaired mitochondrial dynamics and its potential role in skin health and disease.
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Affiliation(s)
- Divya Gupta
- PK-PD and Toxicology Division, CSIR-Indian Institute of Integrative Medicine, Jammu, J&K, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Tasduq S Abdullah
- PK-PD and Toxicology Division, CSIR-Indian Institute of Integrative Medicine, Jammu, J&K, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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10
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Garbern JC, Lee RT. Mitochondria and metabolic transitions in cardiomyocytes: lessons from development for stem cell-derived cardiomyocytes. Stem Cell Res Ther 2021; 12:177. [PMID: 33712058 PMCID: PMC7953594 DOI: 10.1186/s13287-021-02252-6] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/28/2021] [Indexed: 12/13/2022] Open
Abstract
Current methods to differentiate cardiomyocytes from human pluripotent stem cells (PSCs) inadequately recapitulate complete development and result in PSC-derived cardiomyocytes (PSC-CMs) with an immature or fetal-like phenotype. Embryonic and fetal development are highly dynamic periods during which the developing embryo or fetus is exposed to changing nutrient, oxygen, and hormone levels until birth. It is becoming increasingly apparent that these metabolic changes initiate developmental processes to mature cardiomyocytes. Mitochondria are central to these changes, responding to these metabolic changes and transitioning from small, fragmented mitochondria to large organelles capable of producing enough ATP to support the contractile function of the heart. These changes in mitochondria may not simply be a response to cardiomyocyte maturation; the metabolic signals that occur throughout development may actually be central to the maturation process in cardiomyocytes. Here, we review methods to enhance maturation of PSC-CMs and highlight evidence from development indicating the key roles that mitochondria play during cardiomyocyte maturation. We evaluate metabolic transitions that occur during development and how these affect molecular nutrient sensors, discuss how regulation of nutrient sensing pathways affect mitochondrial dynamics and function, and explore how changes in mitochondrial function can affect metabolite production, the cell cycle, and epigenetics to influence maturation of cardiomyocytes.
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Affiliation(s)
- Jessica C Garbern
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, 7 Divinity Ave, Cambridge, MA, 02138, USA
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA, 02115, USA
| | - Richard T Lee
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, 7 Divinity Ave, Cambridge, MA, 02138, USA.
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 75 Francis St, Boston, MA, 02115, USA.
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11
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Lozano O, Silva-Platas C, Chapoy-Villanueva H, Pérez BE, Lees JG, Ramachandra CJA, Contreras-Torres FF, Lázaro-Alfaro A, Luna-Figueroa E, Bernal-Ramírez J, Gordillo-Galeano A, Benitez A, Oropeza-Almazán Y, Castillo EC, Koh PL, Hausenloy DJ, Lim SY, García-Rivas G. Amorphous SiO2 nanoparticles promote cardiac dysfunction via the opening of the mitochondrial permeability transition pore in rat heart and human cardiomyocytes. Part Fibre Toxicol 2020; 17:15. [PMID: 32381100 PMCID: PMC7206702 DOI: 10.1186/s12989-020-00346-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 04/22/2020] [Indexed: 02/07/2023] Open
Abstract
Background Silica nanoparticles (nanoSiO2) are promising systems that can deliver biologically active compounds to tissues such as the heart in a controllable manner. However, cardiac toxicity induced by nanoSiO2 has been recently related to abnormal calcium handling and energetic failure in cardiomyocytes. Moreover, the precise mechanisms underlying this energetic debacle remain unclear. In order to elucidate these mechanisms, this article explores the ex vivo heart function and mitochondria after exposure to nanoSiO2. Results The cumulative administration of nanoSiO2 reduced the mechanical performance index of the rat heart with a half-maximal inhibitory concentration (IC50) of 93 μg/mL, affecting the relaxation rate. In isolated mitochondria nanoSiO2 was found to be internalized, inhibiting oxidative phosphorylation and significantly reducing the mitochondrial membrane potential (ΔΨm). The mitochondrial permeability transition pore (mPTP) was also induced with an increasing dose of nanoSiO2 and partially recovered with, a potent blocker of the mPTP, Cyclosporine A (CsA). The activity of aconitase and thiol oxidation, in the adenine nucleotide translocase, were found to be reduced due to nanoSiO2 exposure, suggesting that nanoSiO2 induces the mPTP via thiol modification and ROS generation. In cardiac cells exposed to nanoSiO2, enhanced viability and reduction of H2O2 were observed after application of a specific mitochondrial antioxidant, MitoTEMPO. Concomitantly, CsA treatment in adult rat cardiac cells reduced the nanoSiO2-triggered cell death and recovered ATP production (from 32.4 to 65.4%). Additionally, we performed evaluation of the mitochondrial effect of nanoSiO2 in human cardiomyocytes. We observed a 40% inhibition of maximal oxygen consumption rate in mitochondria at 500 μg/mL. Under this condition we identified a remarkable diminution in the spare respiratory capacity. This data indicates that a reduction in the amount of extra ATP that can be produced by mitochondria during a sudden increase in energy demand. In human cardiomyocytes, increased LDH release and necrosis were found at increased doses of nanoSiO2, reaching 85 and 48%, respectively. Such deleterious effects were partially prevented by the application of CsA. Therefore, exposure to nanoSiO2 affects cardiac function via mitochondrial dysfunction through the opening of the mPTP. Conclusion The aforementioned effects can be partially avoided reducing ROS or retarding the opening of the mPTP. These novel strategies which resulted in cardioprotection could be considered as potential therapies to decrease the side effects of nanoSiO2 exposure.
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Affiliation(s)
- Omar Lozano
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico.,Tecnologico de Monterrey. Centro de Investigación Biomédica, Hospital Zambrano-Helión, San Pedro Garza-García, Mexico
| | - Christian Silva-Platas
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico
| | - Héctor Chapoy-Villanueva
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico
| | - Baruc E Pérez
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico
| | - Jarmon G Lees
- Departments of Medicine and Surgery, University of Melbourne, Melbourne, Victoria, Australia.,O'Brien Institute Department, St Vincent's Institute of Medical Research, Melbourne, Victoria, Australia
| | - Chrishan J A Ramachandra
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore.,Cardiovascular and Metabolic Disorders Programme, Duke-NUS Medical School, Singapore, Singapore
| | | | - Anay Lázaro-Alfaro
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico
| | - Estefanía Luna-Figueroa
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico
| | - Judith Bernal-Ramírez
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico
| | | | - Alfredo Benitez
- Department of Physics and Astronomy, The University of Texas at San Antonio, San Antonio, USA
| | - Yuriana Oropeza-Almazán
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico
| | - Elena C Castillo
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico
| | - Poh Ling Koh
- Cardiovascular and Metabolic Disorders Programme, Duke-NUS Medical School, Singapore, Singapore
| | - Derek J Hausenloy
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore.,Cardiovascular and Metabolic Disorders Programme, Duke-NUS Medical School, Singapore, Singapore.,Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore.,The Hatter Cardiovascular Institute, University College London, London, UK.,Cardiovascular Research Center, College of Medical and Health Sciences, Asia University, Taichung City, Taiwan
| | - Shiang Y Lim
- Departments of Medicine and Surgery, University of Melbourne, Melbourne, Victoria, Australia.,O'Brien Institute Department, St Vincent's Institute of Medical Research, Melbourne, Victoria, Australia
| | - Gerardo García-Rivas
- Tecnologico de Monterrey. Escuela Nacional de Medicina y Ciencias de la Salud, Cátedra de Cardiología y Medicina Vascular, Monterrey, Mexico. .,Tecnologico de Monterrey. Centro de Investigación Biomédica, Hospital Zambrano-Helión, San Pedro Garza-García, Mexico.
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12
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Mollo N, Cicatiello R, Aurilia M, Scognamiglio R, Genesio R, Charalambous M, Paladino S, Conti A, Nitsch L, Izzo A. Targeting Mitochondrial Network Architecture in Down Syndrome and Aging. Int J Mol Sci 2020; 21:E3134. [PMID: 32365535 PMCID: PMC7247689 DOI: 10.3390/ijms21093134] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/26/2020] [Accepted: 04/27/2020] [Indexed: 12/12/2022] Open
Abstract
Mitochondria are organelles that mainly control energy conversion in the cell. In addition, they also participate in many relevant activities, such as the regulation of apoptosis and calcium levels, and other metabolic tasks, all closely linked to cell viability. Functionality of mitochondria appears to depend upon their network architecture that may dynamically pass from an interconnected structure with long tubular units, to a fragmented one with short separate fragments. A decline in mitochondrial quality, which presents itself as an altered structural organization and a function of mitochondria, has been observed in Down syndrome (DS), as well as in aging and in age-related pathologies. This review provides a basic overview of mitochondrial dynamics, from fission/fusion mechanisms to mitochondrial homeostasis. Molecular mechanisms determining the disruption of the mitochondrial phenotype in DS and aging are discussed. The impaired activity of the transcriptional co-activator PGC-1α/PPARGC1A and the hyperactivation of the mammalian target of rapamycin (mTOR) kinase are emerging as molecular underlying causes of these mitochondrial alterations. It is, therefore, likely that either stimulating the PGC-1α activity or inhibiting mTOR signaling could reverse mitochondrial dysfunction. Evidence is summarized suggesting that drugs targeting either these pathways or other factors affecting the mitochondrial network may represent therapeutic approaches to improve and/or prevent the effects of altered mitochondrial function. Overall, from all these studies it emerges that the implementation of such strategies may exert protective effects in DS and age-related diseases.
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Affiliation(s)
- Nunzia Mollo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Rita Cicatiello
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Miriam Aurilia
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Roberta Scognamiglio
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Rita Genesio
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Maria Charalambous
- Institute of Experimental Endocrinology and Oncology “G. Salvatore”, National Research Council, 80131 Naples, Italy
| | - Simona Paladino
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Anna Conti
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Lucio Nitsch
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
- Institute of Experimental Endocrinology and Oncology “G. Salvatore”, National Research Council, 80131 Naples, Italy
| | - Antonella Izzo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
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13
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Prieto J, Ponsoda X, Izpisua Belmonte JC, Torres J. Mitochondrial dynamics and metabolism in induced pluripotency. Exp Gerontol 2020; 133:110870. [PMID: 32045634 DOI: 10.1016/j.exger.2020.110870] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/20/2019] [Accepted: 02/05/2020] [Indexed: 12/15/2022]
Abstract
Somatic cells can be reprogrammed to pluripotency by either ectopic expression of defined factors or exposure to chemical cocktails. During reprogramming, somatic cells undergo dramatic changes in a wide range of cellular processes, such as metabolism, mitochondrial morphology and function, cell signaling pathways or immortalization. Regulation of these processes during cell reprograming lead to the acquisition of a pluripotent state, which enables indefinite propagation by symmetrical self-renewal without losing the ability of reprogrammed cells to differentiate into all cell types of the adult. In this review, recent data from different laboratories showing how these processes are controlled during the phenotypic transformation of a somatic cell into a pluripotent stem cell will be discussed.
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Affiliation(s)
- Javier Prieto
- Departamento Biología Celular, Biología Funcional y Antropología Física, Universitat de València, Calle Dr. Moliner 50, 46100 Burjassot, Spain; Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA.
| | - Xavier Ponsoda
- Departamento Biología Celular, Biología Funcional y Antropología Física, Universitat de València, Calle Dr. Moliner 50, 46100 Burjassot, Spain; Instituto de Investigación Sanitaria (INCLIVA), Avenida de Menéndez y Pelayo 4, 46010, Valencia, Spain
| | - Juan Carlos Izpisua Belmonte
- Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Josema Torres
- Departamento Biología Celular, Biología Funcional y Antropología Física, Universitat de València, Calle Dr. Moliner 50, 46100 Burjassot, Spain; Instituto de Investigación Sanitaria (INCLIVA), Avenida de Menéndez y Pelayo 4, 46010, Valencia, Spain.
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14
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Lees JG, Gardner DK, Harvey AJ. Nicotinamide adenine dinucleotide induces a bivalent metabolism and maintains pluripotency in human embryonic stem cells. Stem Cells 2020; 38:624-638. [PMID: 32003519 DOI: 10.1002/stem.3152] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Accepted: 12/27/2019] [Indexed: 12/19/2022]
Abstract
Nicotinamide adenine dinucleotide (NAD+ ) and its precursor metabolites are emerging as important regulators of both cell metabolism and cell state. Interestingly, the role of NAD+ in human embryonic stem cell (hESC) metabolism and the regulation of pluripotent cell state is unresolved. Here we show that NAD+ simultaneously increases hESC mitochondrial oxidative metabolism and partially suppresses glycolysis and stimulates amino acid turnover, doubling the consumption of glutamine. Concurrent with this metabolic remodeling, NAD+ increases hESC pluripotent marker expression and proliferation, inhibits BMP4-induced differentiation and reduces global histone 3 lysine 27 trimethylation, plausibly inducing an intermediate naïve-to-primed bivalent metabolism and pluripotent state. Furthermore, maintenance of NAD+ recycling via malate aspartate shuttle activity is identified as an absolute requirement for hESC self-renewal, responsible for 80% of the oxidative capacity of hESC mitochondria. Our findings implicate NAD+ in the regulation of cell state, suggesting that the hESC pluripotent state is dependent upon cellular NAD+ .
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Affiliation(s)
- Jarmon G Lees
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia.,O'Brien Institute Department, St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia.,Department of Medicine at St Vincent's Hospital, Melbourne Medical School, The University of Melbourne, Fitzroy, Victoria, Australia
| | - David K Gardner
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Alexandra J Harvey
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
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15
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Harvey A, Caretti G, Moresi V, Renzini A, Adamo S. Interplay between Metabolites and the Epigenome in Regulating Embryonic and Adult Stem Cell Potency and Maintenance. Stem Cell Reports 2019; 13:573-589. [PMID: 31597110 PMCID: PMC6830055 DOI: 10.1016/j.stemcr.2019.09.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 08/29/2019] [Accepted: 09/06/2019] [Indexed: 12/15/2022] Open
Abstract
The environment surrounding stem cells has the ability to elicit profound, heritable epigenetic changes orchestrated by multiple epigenetic mechanisms, which can be modulated by the level of specific metabolites. In this review, we highlight the significance of metabolism in regulating stem cell homeostasis, cell state, and differentiation capacity, using metabolic regulation of embryonic and adult muscle stem cells as examples, and cast light on the interaction between cellular metabolism and epigenetics. These new regulatory networks, based on the dynamic interplay between metabolism and epigenetics in stem cell biology, are important, not only for understanding tissue homeostasis, but to determine in vitro culture conditions which accurately support normal cell physiology.
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Affiliation(s)
- Alexandra Harvey
- School of BioSciences, University of Melbourne, Parkville, VIC 2010, Australia
| | - Giuseppina Caretti
- Department of Biosciences, Università degli Studi di Milano, Milan, Italy
| | - Viviana Moresi
- Department of Anatomy, Histology, Forensic Medicine & Orthopedics, Histology & Medical Embryology Section, Sapienza University of Rome and Interuniversity Institute of Myology, Rome, Italy.
| | - Alessandra Renzini
- Department of Anatomy, Histology, Forensic Medicine & Orthopedics, Histology & Medical Embryology Section, Sapienza University of Rome and Interuniversity Institute of Myology, Rome, Italy
| | - Sergio Adamo
- Department of Anatomy, Histology, Forensic Medicine & Orthopedics, Histology & Medical Embryology Section, Sapienza University of Rome and Interuniversity Institute of Myology, Rome, Italy
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