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Zhou L, Zhai G, Tian G. CRIF1 attenuates doxorubicin-mediated mitochondrial dysfunction and myocardial senescence via regulating PXDN. Aging (Albany NY) 2024; 16:5567-5580. [PMID: 38517371 PMCID: PMC11006484 DOI: 10.18632/aging.205664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 01/03/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND CR6-interacting factor 1 (CRIF1), a multifunctional protein that affects mitochondrial function and cell senescence, plays a regulatory role in heart-related diseases. However, whether CRIF1 participates in myocardial senescence by regulating mitochondrial function remains unclear. METHODS Doxorubicin (DOX)-induced C57BL/6 mice to construct mouse myocardial senescence model, and the myocardial function indicators including lactate dehydrogenase (LDH) and Creatine kinase isoform MB (CK-MB) were assessed. The expression of CRIF1 was detected by western blot. Myocardial pathological changes were examined by transthoracic echocardiography and haematoxylin and eosin (H&E) staining. Cell senescence was detected by SA-β-gal staining. JC-1 staining was used to detect mitochondrial membrane potential. Biochemical kits were used to examine oxidative stress-related factors. Additionally, AC16 cardiomyocytes were treated with DOX to mimic the cellular senescence model in vitro. Cell activity was detected by cell counting kit-8 (CCK-8) assay. Co-immunoprecipitation (CO-IP) was used to verify the relationship between CRIF1 and peroxidasin (PXDN). RESULTS The CRIF1 expression was significantly decreased in DOX-induced senescent mice and AC16 cells. Overexpression of CRIF1 significantly ameliorated DOX-induced myocardial dysfunction and myocardial senescence. Additionally, CRIF1 overexpression attenuated DOX-induced oxidative stress and myocardial mitochondrial dysfunction. Consistently, CRIF1 overexpression also inhibited DOX-induced oxidative stress and senescence in AC16 cells. Moreover, CRIF1 was verified to bind to PXDN and inhibited PXDN expression. The inhibitory effects of CRIF1 overexpression on DOX-induced oxidative stress and senescence in AC16 cells were partly abolished by PXDN expression. CONCLUSIONS CRIF1 plays a protective role against DOX-caused mitochondrial dysfunction and myocardial senescence partly through downregulating PXDN.
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Affiliation(s)
- Lina Zhou
- Department of Geriatrics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Guilan Zhai
- Department of Geriatrics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, Liaoning, China
| | - Ge Tian
- Department of Cardiology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, Liaoning, China
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Min SH, Kang GM, Park JW, Kim MS. Beneficial Effects of Low-Grade Mitochondrial Stress on Metabolic Diseases and Aging. Yonsei Med J 2024; 65:55-69. [PMID: 38288646 PMCID: PMC10827639 DOI: 10.3349/ymj.2023.0131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 11/07/2023] [Accepted: 12/04/2023] [Indexed: 02/01/2024] Open
Abstract
Mitochondria function as platforms for bioenergetics, nutrient metabolism, intracellular signaling, innate immunity regulators, and modulators of stem cell activity. Thus, the decline in mitochondrial functions causes or correlates with diabetes mellitus and many aging-related diseases. Upon stress or damage, the mitochondria elicit a series of adaptive responses to overcome stress and restore their structural integrity and functional homeostasis. These adaptive responses to low-level or transient mitochondrial stress promote health and resilience to upcoming stress. Beneficial effects of low-grade mitochondrial stress, termed mitohormesis, have been observed in various organisms, including mammals. Accumulated evidence indicates that treatments boosting mitohormesis have therapeutic potential in various human diseases accompanied by mitochondrial stress. Here, we review multiple cellular signaling pathways and interorgan communication mechanisms through which mitochondrial stress leads to advantageous outcomes. We also discuss the relevance of mitohormesis in obesity, diabetes, metabolic liver disease, aging, and exercise.
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Affiliation(s)
- Se Hee Min
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Diabetes Center, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Korea
- Appetite Regulation Laboratory, Asan Institute for Life Science, Seoul, Korea
| | - Gil Myoung Kang
- Appetite Regulation Laboratory, Asan Institute for Life Science, Seoul, Korea
| | - Jae Woo Park
- Appetite Regulation Laboratory, Asan Institute for Life Science, Seoul, Korea
| | - Min-Seon Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Diabetes Center, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Korea
- Appetite Regulation Laboratory, Asan Institute for Life Science, Seoul, Korea.
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Xiang L, Li F, Xiang Y, Zhang W, Shi D, Zhang X, Chen L, Ran Q, Li Z. CR6-Interacting Factor-1 Promotes Osteoclastogenesis Through the NF-κB Signaling Pathway after Irradiation. Radiat Res 2023; 200:489-502. [PMID: 37815199 DOI: 10.1667/rade-22-00066.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 09/11/2023] [Indexed: 10/11/2023]
Abstract
Radiation exposure arising from radiotherapy may induce rapid bone loss and an increase in the extent of bone resorption. Reactive oxygen species (ROS) caused by radiation exposure play a crucial role during the process of osteoclastogenesis. However, the pathological mechanisms underlying radiation-induced osteoclastogenesis have yet to be fully elucidated. CR6-interacting factor-1 (Crif1) as a multifunctional protein is involved in regulating multiple biological functions in cells. Here, we investigated the role of Crif1 in radiation-induced osteoclastogenesis and found that radiation exposure induced an increase in the expression level of Crif1 and enhanced osteoclastogenesis in osteoclast progenitors. Crif1 and NF-κB p65 co-localized in the cytoplasm after radiation exposure. Crif1 knockdown did not affect the phosphorylation and total protein levels of extracellular signal-regulated kinases (ERK), c-Jun amino (N)-terminal kinases (JNK), p38, and IκB-α before and after irradiation. However, Crif1 knockdown did lead to the reduced phosphorylation and nuclear translocation of NF-κB p65 after irradiation and resulted in a reduced level of osteoclastogenesis in RAW264.7 cells after irradiation. In vivo studies involving Lyz2Cre;Crif1fl/fl mice possessing the myeloid-specific deletion of Crif1 demonstrated the alleviation of bone loss after irradiation when compared with Crif1fl/fl mice. Our findings demonstrate that Crif1 mediated the phosphorylation and nuclear translocation of NF-κB p65 and promoted osteoclastogenesis via the NF-κB signaling pathway after radiation exposure. Thus, our analysis revealed a specific role for Crif1 in the mediation of radiation-induced bone loss and may provide new insight into potential therapeutic strategies for radiation-induced bone loss.
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Affiliation(s)
- Lixin Xiang
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Fengjie Li
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Yang Xiang
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Weiwei Zhang
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Dongling Shi
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Xiaomei Zhang
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Li Chen
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Qian Ran
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Zhongjun Li
- Basic Research Innovation Center for Acute Radiation Syndrome, Laboratory Medicine Center, Department of Blood Transfusion, Lab of Radiation Biology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
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Mollace R, Scarano F, Bava I, Carresi C, Maiuolo J, Tavernese A, Gliozzi M, Musolino V, Muscoli S, Palma E, Muscoli C, Salvemini D, Federici M, Macrì R, Mollace V. Modulation of the nitric oxide/cGMP pathway in cardiac contraction and relaxation: Potential role in heart failure treatment. Pharmacol Res 2023; 196:106931. [PMID: 37722519 DOI: 10.1016/j.phrs.2023.106931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 09/09/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
Evidence exists that heart failure (HF) has an overall impact of 1-2 % in the global population being often associated with comorbidities that contribute to increased disease prevalence, hospitalization, and mortality. Recent advances in pharmacological approaches have significantly improved clinical outcomes for patients with vascular injury and HF. Nevertheless, there remains an unmet need to clarify the crucial role of nitric oxide/cyclic guanosine 3',5'-monophosphate (NO/cGMP) signalling in cardiac contraction and relaxation, to better identify the key mechanisms involved in the pathophysiology of myocardial dysfunction both with reduced (HFrEF) as well as preserved ejection fraction (HFpEF). Indeed, NO signalling plays a crucial role in cardiovascular homeostasis and its dysregulation induces a significant increase in oxidative and nitrosative stress, producing anatomical and physiological cardiac alterations that can lead to heart failure. The present review aims to examine the molecular mechanisms involved in the bioavailability of NO and its modulation of downstream pathways. In particular, we focus on the main therapeutic targets and emphasize the recent evidence of preclinical and clinical studies, describing the different emerging therapeutic strategies developed to counteract NO impaired signalling and cardiovascular disease (CVD) development.
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Affiliation(s)
- Rocco Mollace
- Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy; Department of Systems Medicine, University of Rome Tor Vergata, Italy
| | - Federica Scarano
- Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Irene Bava
- Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Cristina Carresi
- Veterinary Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Jessica Maiuolo
- Pharmaceutical Biology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Annamaria Tavernese
- Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Micaela Gliozzi
- Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Vincenzo Musolino
- Pharmaceutical Biology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Saverio Muscoli
- Division of Cardiology, Foundation PTV Polyclinic Tor Vergata, Rome 00133, Italy
| | - Ernesto Palma
- Veterinary Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Carolina Muscoli
- Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Daniela Salvemini
- Department of Pharmacology and Physiology, Saint Louis University School of Medicine, St. Louis, MO 63104, USA
| | - Massimo Federici
- Department of Systems Medicine, University of Rome Tor Vergata, Italy
| | - Roberta Macrì
- Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy.
| | - Vincenzo Mollace
- Pharmacology Laboratory, Institute of Research for Food Safety and Health IRC-FSH, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy; Renato Dulbecco Institute, Lamezia Terme, Catanzaro 88046, Italy.
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Wang J, He Y, Zhou D. The role of ubiquitination in microbial infection induced endothelial dysfunction: potential therapeutic targets for sepsis. Expert Opin Ther Targets 2023; 27:827-839. [PMID: 37688775 DOI: 10.1080/14728222.2023.2257888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/11/2023] [Accepted: 09/07/2023] [Indexed: 09/11/2023]
Abstract
INTRODUCTION The ubiquitin system is an evolutionarily conserved and universal means of protein modification that regulates many essential cellular processes. Endothelial dysfunction plays a critical role in the pathophysiology of sepsis and organ failure. However, the mechanisms underlying the ubiquitination-mediated regulation on endothelial dysfunction are not fully understood. AREAS COVERED Here we review the advances in basic and clinical research for relevant papers in PubMed database. We attempt to provide an updated overview of diverse ubiquitination events in endothelial cells, discussing the fundamental role of ubiquitination mediated regulations involving in endothelial dysfunction to provide potential therapeutic targets for sepsis. EXPERT OPINION The central event underlying sepsis syndrome is the overwhelming host inflammatory response to the pathogen infection, leading to endothelial dysfunction. As the key components of the ubiquitin system, E3 ligases are at the center stage of the battle between host and microbial pathogens. Such a variety of ubiquitination regulates a multitude of cellular regulatory processes, including signal transduction, autophagy, inflammasome activation, redox reaction and immune response and so forth. In this review, we discuss the many mechanisms of ubiquitination-mediated regulation with a focus on those that modulate endothelial function to provide potential therapeutic targets for the management of sepsis.
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Affiliation(s)
- Junshuai Wang
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
- Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Yang He
- Department of Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Daixing Zhou
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
- Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
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Piao S, Lee I, Kim S, Park H, Nagar H, Choi SJ, Vu GH, Kim M, Lee EO, Jeon BH, Kim DW, Seo Y, Kim CS. CRIF1 siRNA-Encapsulated PLGA Nanoparticles Suppress Tumor Growth in MCF-7 Human Breast Cancer Cells. Int J Mol Sci 2023; 24:ijms24087453. [PMID: 37108616 PMCID: PMC10138627 DOI: 10.3390/ijms24087453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Mitochondrial oxidative phosphorylation (OXPHOS) system dysfunction in cancer cells has been exploited as a target for anti-cancer therapeutic intervention. The downregulation of CR6-interacting factor 1 (CRIF1), an essential mito-ribosomal factor, can impair mitochondrial function in various cell types. In this study, we investigated whether CRIF1 deficiency induced by siRNA and siRNA nanoparticles could suppress MCF-7 breast cancer growth and tumor development, respectively. Our results showed that CRIF1 silencing decreased the assembly of mitochondrial OXPHOS complexes I and II, which induced mitochondrial dysfunction, mitochondrial reactive oxygen species (ROS) production, mitochondrial membrane potential depolarization, and excessive mitochondrial fission. CRIF1 inhibition reduced p53-induced glycolysis and apoptosis regulator (TIGAR) expression, as well as NADPH synthesis, leading to additional increases in ROS production. The downregulation of CRIF1 suppressed cell proliferation and inhibited cell migration through the induction of G0/G1 phase cell cycle arrest in MCF-7 breast cancer cells. Similarly, the intratumoral injection of CRIF1 siRNA-encapsulated PLGA nanoparticles inhibited tumor growth, downregulated the assembly of mitochondrial OXPHOS complexes I and II, and induced the expression of cell cycle protein markers (p53, p21, and p16) in MCF-7 xenograft mice. Thus, the inhibition of mitochondrial OXPHOS protein synthesis through CRIF1 deletion destroyed mitochondrial function, leading to elevated ROS levels and inducing antitumor effects in MCF-7 cells.
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Affiliation(s)
- Shuyu Piao
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Ikjun Lee
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Seonhee Kim
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Hyewon Park
- Department of Anatomy and Cell Biology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Harsha Nagar
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Su-Jeong Choi
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Giang-Huong Vu
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Minsoo Kim
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Eun-Ok Lee
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Byeong-Hwa Jeon
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Dong Woon Kim
- Department of Anatomy and Cell Biology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Youngduk Seo
- Department of Nuclear Medicine, Chungnam National University Sejong Hospital, Sejong 30099, Republic of Korea
| | - Cuk-Seong Kim
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
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Campagna R, Vignini A. NAD(+) Homeostasis and NAD(+)-Consuming Enzymes: Implications for Vascular Health. Antioxidants (Basel) 2023; 12. [PMID: 36829935 DOI: 10.3390/antiox12020376] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Nicotinamide adenine dinucleotide (NAD+) is a ubiquitous metabolite that takes part in many key redox reactions. NAD+ biosynthesis and NAD+-consuming enzymes have been attracting markedly increasing interest since they have been demonstrated to be involved in several crucial biological pathways, impacting genes transcription, cellular signaling, and cell cycle regulation. As a consequence, many pathological conditions are associated with an impairment of intracellular NAD+ levels, directly or indirectly, which include cardiovascular diseases, obesity, neurodegenerative diseases, cancer, and aging. In this review, we describe the general pathways involved in the NAD+ biosynthesis starting from the different precursors, analyzing the actual state-of-art of the administration of NAD+ precursors or blocking NAD+-dependent enzymes as strategies to increase the intracellular NAD+ levels or to counteract the decline in NAD+ levels associated with ageing. Subsequently, we focus on the disease-related and age-related alterations of NAD+ homeostasis and NAD+-dependent enzymes in endothelium and the consequent vascular dysfunction, which significantly contributes to a wide group of pathological disorders.
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Park JS, Yang S, Hwang SH, Choi J, Kwok SK, Kong YY, Youn J, Cho ML, Park SH. B cell-specific deletion of Crif1 drives lupus-like autoimmunity by activation of IL-17, IL-6, and pathogenic Tfh cells. Arthritis Rheumatol 2022; 74:1211-1222. [PMID: 35166061 DOI: 10.1002/art.42091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 12/30/2021] [Accepted: 02/09/2022] [Indexed: 11/09/2022]
Abstract
OBJECTIVE CR6-interacting factor 1 (Crif1) is a nuclear transcriptional regulator and a mitochondrial inner membrane protein; however, its functions in B lymphocytes have been poorly defined. In this study, we investigated the effects of Crif1 on B-cell metabolic regulation, cell function, and autoimmune diseases. METHODS Using mice with B cell-specific deletion of Crif1 (Crif1ΔCD19 ), we assessed the relevance of Crif1 function for lupus disease parameters including anti-double-stranded DNA, cytokines, and kidney pathology. RNA sequencing was performed on B cells from Crif1ΔCD19 mice. The phenotypic and metabolic changes in immune cells were evaluated in Crif1ΔCD19 mice. Roquinsan/+ mice crossed with Crif1ΔCD19 mice were monitored to assess the functionality of Crif1-deficient B cells in lupus development. RESULTS Crif1ΔCD19 mice showed an autoimmune lupus-like phenotype, including high levels of autoantibodies to double-stranded DNA and severe lupus nephritis with increased mesangial hypercellularity. While loss of Crif1 in B cells showed impaired mitochondrial oxidative function, Crif1-deficient B cells promoted the production of IL-17 and IL-6 and was more potent in helping T cells develop into T follicular helper cells. In an autoimmune lupus mouse model, depletion of Crif1 in B cells exacerbated lupus severity and Crif1 overexpression prevented lupus development in Roquinsan/san mice. CONCLUSION These results showed that Crif1 was negatively correlated with disease severity, and overexpression of Crif1 ameliorated disease development. Our findings suggest that Crif1 is essential for preventing lupus development by maintaining B cell self-tolerance.
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Affiliation(s)
- Jin-Sil Park
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - SeungCheon Yang
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sun-Hee Hwang
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - JeongWon Choi
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Ki Kwok
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Divison of Rheumatology, Department of Internal Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Young-Yun Kong
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Jeehee Youn
- Laboratory of Autoimmunology, Department of Anatomy and Cell Biology, College of Medicine, Hanyang University, Seoul, 04763, Korea
| | - Mi-La Cho
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sung-Hwan Park
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Divison of Rheumatology, Department of Internal Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Begum MK, Konja D, Singh S, Chlopicki S, Wang Y. Endothelial SIRT1 as a Target for the Prevention of Arterial Aging: Promises and Challenges. J Cardiovasc Pharmacol 2021; 78:S63-S77. [PMID: 34840264 DOI: 10.1097/fjc.0000000000001154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 09/25/2021] [Indexed: 12/15/2022]
Abstract
ABSTRACT SIRT1, a member of the sirtuin family of longevity regulators, possesses potent activities preventing vascular aging. The expression and function of SIRT1 in endothelial cells are downregulated with age, in turn causing early vascular aging and predisposing various vascular abnormalities. Overexpression of SIRT1 in the vascular endothelium prevents aging-associated endothelial dysfunction and senescence, thus the development of hypertension and atherosclerosis. Numerous efforts have been directed to increase SIRT1 signaling as a potential strategy for different aging-associated diseases. However, the complex mechanisms underlying the regulation of SIRT1 have posed a significant challenge toward the design of specific and effective therapeutics. This review aimed to provide a summary on the regulation and function of SIRT1 in the vascular endothelium and to discuss the different approaches targeting this molecule for the prevention and treatment of age-related cardiovascular and cerebrovascular diseases.
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Affiliation(s)
- Musammat Kulsuma Begum
- The State Key Laboratory of Pharmaceutical Biotechnology
- The Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Daniels Konja
- The State Key Laboratory of Pharmaceutical Biotechnology
- The Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Sandeep Singh
- The State Key Laboratory of Pharmaceutical Biotechnology
- The Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland; and
- Chair of Pharmacology, Jagiellonian University Medical College, Krakow, Poland
| | - Yu Wang
- The State Key Laboratory of Pharmaceutical Biotechnology
- The Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
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Lee I, Piao S, Kim S, Nagar H, Choi SJ, Jeon BH, Oh SH, Irani K, Kim CS. CRIF1 Deficiency Increased Homocysteine Production by Disrupting Dihydrofolate Reductase Expression in Vascular Endothelial Cells. Antioxidants (Basel) 2021; 10:1645. [PMID: 34829516 DOI: 10.3390/antiox10111645] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 11/29/2022] Open
Abstract
Elevated plasma homocysteine levels can induce vascular endothelial dysfunction; however, the mechanisms regulating homocysteine metabolism in impaired endothelial cells are currently unclear. In this study, we deleted the essential mitoribosomal gene CR6 interacting factor 1 (CRIF1) in human umbilical vein endothelial cells (HUVECs) and mice to induce endothelial cell dysfunction; then, we monitored homocysteine accumulation. We found that CRIF1 downregulation caused significant increases in intracellular and plasma concentrations of homocysteine, which were associated with decreased levels of folate cycle intermediates such as 5-methyltetrahydrofolate (MTHF) and tetrahydrofolate (THF). Moreover, dihydrofolate reductase (DHFR), a key enzyme in folate-mediated metabolism, exhibited impaired activity and decreased protein expression in CRIF1 knockdown endothelial cells. Supplementation with folic acid did not restore DHFR expression levels or MTHF and homocysteine concentrations in endothelial cells with a CRIF1 deletion or DHFR knockdown. However, the overexpression of DHFR in CRIF1 knockdown endothelial cells resulted in decreased accumulation of homocysteine. Taken together, our findings suggest that CRIF1-deleted endothelial cells accumulated more homocysteine, compared with control cells; this was primarily mediated by the disruption of DHFR expression.
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Nagar H, Kim S, Lee I, Choi SJ, Piao S, Jeon BH, Shong M, Kim CS. CRIF1 deficiency suppresses endothelial cell migration via upregulation of RhoGDI2. PLoS One 2021; 16:e0256646. [PMID: 34437633 PMCID: PMC8389428 DOI: 10.1371/journal.pone.0256646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 08/11/2021] [Indexed: 11/22/2022] Open
Abstract
Rho GDP-dissociation inhibitor (RhoGDI), a downregulator of Rho family GTPases, prevents nucleotide exchange and membrane association. It is responsible for the activation of Rho GTPases, which regulate a variety of cellular processes, such as migration. Although RhoGDI2 has been identified as a tumor suppressor gene involved in cellular migration and invasion, little is known about its role in vascular endothelial cell (EC) migration. CR6-interacting factor 1 (CRIF1) is a CR6/GADD45-interacting protein with important mitochondrial functions and regulation of cell growth. We examined the expression of RhoGDI2 in CRIF1-deficient human umbilical vein endothelial cells (HUVECs) and its role in cell migration. Expression of RhoGDI2 was found to be considerably higher in CRIF1-deficient HUVECs along with suppression of cell migration. Moreover, the phosphorylation levels of Akt and CREB were decreased in CRIF1-silenced cells. The Akt-CREB signaling pathway was implicated in the changes in endothelial cell migration caused by CRIF1 downregulation. In addition to RhoGDI2, we identified another factor that promotes migration and invasion of ECs. Adrenomedullin2 (ADM2) is an autocrine/paracrine factor that regulates vascular tone and other vascular functions. Endogenous ADM2 levels were elevated in CRIF1-silenced HUVECs with no effect on cell migration. However, siRNA-mediated depletion of RhoGDI2 or exogenous ADM2 administration significantly restored cell migration via the Akt-CREB signaling pathway. In conclusion, RhoGDI2 and ADM2 play important roles in the migration of CRIF1-deficient endothelial cells.
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Affiliation(s)
- Harsha Nagar
- Department of Physiology and Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Seonhee Kim
- Department of Physiology and Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of BK21 Plus CNU Integrative Biomedical Education Initiative, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Ikjun Lee
- Department of Physiology and Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of BK21 Plus CNU Integrative Biomedical Education Initiative, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Su-Jeong Choi
- Department of Physiology and Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Shuyu Piao
- Department of Physiology and Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Byeong Hwa Jeon
- Department of Physiology and Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Minho Shong
- Research Center for Endocrine and Metabolic Diseases, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Cuk-Seong Kim
- Department of Physiology and Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
- * E-mail:
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12
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Nagar H, Kim S, Lee I, Kim S, Choi SJ, Piao S, Jeon BH, Oh SH, Kim CS. Downregulation of CR6-interacting factor 1 suppresses keloid fibroblast growth via the TGF-β/Smad signaling pathway. Sci Rep 2021; 11:500. [PMID: 33436666 PMCID: PMC7804403 DOI: 10.1038/s41598-020-79785-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 12/01/2020] [Indexed: 12/29/2022] Open
Abstract
Keloids are a type of aberrant skin scarring characterized by excessive accumulation of collagen and extracellular matrix (ECM), arising from uncontrolled wound healing responses. While typically non-pathogenic, keloids are occasionally regarded as a form of benign tumor. CR6-interacting factor 1 (CRIF1) is a well-known CR6/GADD45-interacting protein, that has both nuclear and mitochondrial functions, and also exerts regulatory effects on cell growth and apoptosis. In this study, cell proliferation, cell migration, collagen production and TGF-β signaling was compared between normal fibroblasts (NFs) and keloid fibroblasts (KFs). Subsequently, the effects of CRIF1 deficiency were investigated in both NFs and KFs. Cell proliferation, cell migration, collagen production and protein expressions of TGF-β, phosphorylation of Smad2 and Smad3 were all found to be higher in KFs compared to NFs. CRIF1 deficiency in NFs and KFs inhibited cell proliferation, migration, and collagen production. In addition, phosphorylation of Smad2 and Smad3, which are transcription factors of collagen, was decreased. In contrast, mRNA expression levels of Smad7 and SMURF2, two important inhibitory proteins of Smad2/3, were increased, suggesting that CRIF1 may regulate collagen production. CRIF1 deficiency decreases the proliferation and migration of KFs, thereby inhibiting their overgrowth via the transforming growth factor-β (TGF-β)/Smad pathway. CRIF1 may therefore represent a potential therapeutic target in keloid pathogenesis.
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Affiliation(s)
- Harsha Nagar
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Physiology, School of Medicine, Chungnam National University, 55 Munhwa-ro, Jung-Gu, Daejeon, 301-131, Republic of Korea
| | - Sungmin Kim
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Physiology, School of Medicine, Chungnam National University, 55 Munhwa-ro, Jung-Gu, Daejeon, 301-131, Republic of Korea.,Department of BK21 Plus CNU Integrative Biomedical Education Initiative, Chungnam National University, Daejeon, Republic of Korea
| | - Ikjun Lee
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Physiology, School of Medicine, Chungnam National University, 55 Munhwa-ro, Jung-Gu, Daejeon, 301-131, Republic of Korea
| | - Seonhee Kim
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Physiology, School of Medicine, Chungnam National University, 55 Munhwa-ro, Jung-Gu, Daejeon, 301-131, Republic of Korea.,Department of BK21 Plus CNU Integrative Biomedical Education Initiative, Chungnam National University, Daejeon, Republic of Korea
| | - Su-Jeong Choi
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Physiology, School of Medicine, Chungnam National University, 55 Munhwa-ro, Jung-Gu, Daejeon, 301-131, Republic of Korea
| | - Shuyu Piao
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Physiology, School of Medicine, Chungnam National University, 55 Munhwa-ro, Jung-Gu, Daejeon, 301-131, Republic of Korea
| | - Byeong Hwa Jeon
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Physiology, School of Medicine, Chungnam National University, 55 Munhwa-ro, Jung-Gu, Daejeon, 301-131, Republic of Korea
| | - Sang-Ha Oh
- Department of Plastic and Reconstructive Surgery, School of Medicine, Chungnam National University, 282 Munhwa-ro, Jung-Gu, Daejeon, 35015, Republic of Korea. .,Brain Research Institute, School of Medicine, Chungnam National University, Daejeon, Republic of Korea.
| | - Cuk-Seong Kim
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea. .,Department of Physiology, School of Medicine, Chungnam National University, 55 Munhwa-ro, Jung-Gu, Daejeon, 301-131, Republic of Korea. .,Department of BK21 Plus CNU Integrative Biomedical Education Initiative, Chungnam National University, Daejeon, Republic of Korea.
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13
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Piao S, Lee I, Jin SA, Kim S, Nagar H, Choi SJ, Jeon BH, Kim CS. SIRT1 Activation Attenuates the Cardiac Dysfunction Induced by Endothelial Cell-Specific Deletion of CRIF1. Biomedicines 2021; 9:52. [PMID: 33430144 DOI: 10.3390/biomedicines9010052] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 11/17/2022] Open
Abstract
The CR6-interacting factor1 (CRIF1) mitochondrial protein is indispensable for peptide synthesis and oxidative phosphorylation. Cardiomyocyte-specific deletion of CRIF1 showed impaired mitochondrial function and cardiomyopathy. We developed an endothelial cell-specific CRIF1 deletion mouse to ascertain whether dysfunctional endothelial CRIF1 influences cardiac function and is mediated by the antioxidant protein sirtuin 1 (SIRT1). We also examined the effect of the potent SIRT1 activator SRT1720 on cardiac dysfunction. Mice with endothelial cell-specific CRIF1 deletion showed an increased heart-to-body weight ratio, increased lethality, and markedly reduced fractional shortening of the left ventricle, resulting in severe cardiac dysfunction. Moreover, endothelial cell-specific CRIF1 deletion resulted in mitochondrial dysfunction, reduced ATP levels, inflammation, and excessive oxidative stress in heart tissues, associated with decreased SIRT1 expression. Intraperitoneal injection of SRT1720 ameliorated cardiac dysfunction by activating endothelial nitric oxide synthase, reducing oxidative stress, and inhibiting inflammation. Furthermore, the decreased endothelial junction-associated protein zonula occludens-1 in CRIF1-deleted mice was significantly recovered after SRT1720 treatment. Our results suggest that endothelial CRIF1 plays an important role in maintaining cardiac function, and that SIRT1 induction could be a therapeutic strategy for endothelial dysfunction-induced cardiac dysfunction.
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14
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Huang G, Li H, Zhang H. Abnormal Expression of Mitochondrial Ribosomal Proteins and Their Encoding Genes with Cell Apoptosis and Diseases. Int J Mol Sci 2020; 21:E8879. [PMID: 33238645 DOI: 10.3390/ijms21228879] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/15/2020] [Accepted: 11/17/2020] [Indexed: 12/11/2022] Open
Abstract
Mammalian mitochondrial ribosomes translate 13 proteins encoded by mitochondrial genes, all of which play roles in the mitochondrial respiratory chain. After a long period of reconstruction, mitochondrial ribosomes are the most protein-rich ribosomes. Mitochondrial ribosomal proteins (MRPs) are encoded by nuclear genes, synthesized in the cytoplasm and then, transported to the mitochondria to be assembled into mitochondrial ribosomes. MRPs not only play a role in mitochondrial oxidative phosphorylation (OXPHOS). Moreover, they participate in the regulation of cell state as apoptosis inducing factors. Abnormal expressions of MRPs will lead to mitochondrial metabolism disorder, cell dysfunction, etc. Many researches have demonstrated the abnormal expression of MRPs in various tumors. This paper reviews the basic structure of mitochondrial ribosome, focuses on the structure and function of MRPs, and their relationships with cell apoptosis and diseases. It provides a reference for the study of the function of MRPs and the disease diagnosis and treatment.
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15
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Lee MJ, Jang Y, Han J, Kim SJ, Ju X, Lee YL, Cui J, Zhu J, Ryu MJ, Choi SY, Chung W, Heo C, Yi HS, Kim HJ, Huh YH, Chung SK, Shong M, Kweon GR, Heo JY. Endothelial-specific Crif1 deletion induces BBB maturation and disruption via the alteration of actin dynamics by impaired mitochondrial respiration. J Cereb Blood Flow Metab 2020; 40:1546-1561. [PMID: 31987007 PMCID: PMC7308523 DOI: 10.1177/0271678x19900030] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cerebral endothelial cells (ECs) require junctional proteins to maintain blood-brain barrier (BBB) integrity, restricting toxic substances and controlling peripheral immune cells with a higher concentration of mitochondria than ECs of peripheral capillaries. The mechanism underlying BBB disruption by defective mitochondrial oxidative phosphorylation (OxPhos) is unclear in a mitochondria-related gene-targeted animal model. To assess the role of EC mitochondrial OxPhos function in the maintenance of the BBB, we developed an EC-specific CR6-interactin factor1 (Crif1) deletion mouse. We clearly observed defects in motor behavior, uncompacted myelin and leukocyte infiltration caused by BBB maturation and disruption in this mice. Furthermore, we investigated the alteration in the actin cytoskeleton, which interacts with junctional proteins to support BBB integrity. Loss of Crif1 led to reorganization of the actin cytoskeleton and a decrease in tight junction-associated protein expression through an ATP production defect in vitro and in vivo. Based on these results, we suggest that mitochondrial OxPhos is important for the maturation and maintenance of BBB integrity by supplying ATP to cerebral ECs.
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Affiliation(s)
- Min Joung Lee
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Biochemistry, Chungnam National University, Daejeon, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Yunseon Jang
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Biochemistry, Chungnam National University, Daejeon, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Jeongsu Han
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Biochemistry, Chungnam National University, Daejeon, Republic of Korea
| | - Soo J Kim
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Biochemistry, Chungnam National University, Daejeon, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Xianshu Ju
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Yu Lim Lee
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Jianchen Cui
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Jiebo Zhu
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Biochemistry, Chungnam National University, Daejeon, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Min Jeong Ryu
- Department of Biochemistry, Chungnam National University, Daejeon, Republic of Korea
| | - Song-Yi Choi
- Department of Pathology, Chungnam National University, Daejeon, Republic of Korea
| | - Woosuk Chung
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Anesthesiology and Pain Medicine, School of Medicine, Chungnam National University, Daejeon, Republic of Korea.,Department of Anesthesiology and Pain medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Chaejeong Heo
- Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), Suwon, South Korea.,Center for Neuroscience Imaging Research (CNIR), Institute for Basic Science (IBS), Suwon, South Korea
| | - Hyon-Seung Yi
- Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Hyun Jin Kim
- Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Yang H Huh
- Electron Microscopy Research Center, Korea Basic Science Institute, Cheongju, Chungcheongbukdo, Republic of Korea
| | - Sookja K Chung
- Medical Faculty at Macau University of Science and Technology, Taipa, Macau
| | - Minho Shong
- Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Republic of Korea.,Research Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, Republic of Korea
| | - Gi-Ryang Kweon
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Biochemistry, Chungnam National University, Daejeon, Republic of Korea
| | - Jun Young Heo
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea.,Department of Biochemistry, Chungnam National University, Daejeon, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
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16
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Zhang HN, Dai Y, Zhang CH, Omondi AM, Ghosh A, Khanra I, Chakraborty M, Yu XB, Liang J. Sirtuins family as a target in endothelial cell dysfunction: implications for vascular ageing. Biogerontology. 2020;21:495-516. [PMID: 32285331 DOI: 10.1007/s10522-020-09873-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 03/20/2020] [Indexed: 12/13/2022]
Abstract
The vascular endothelium is a protective barrier between the bloodstream and the vasculature that may be disrupted by different factors such as the presence of diseased states. Diseases like diabetes and obesity pose a great risk toward endothelial cell inflammation and oxidative stress, leading to endothelial cell dysfunction and thereby cardiovascular complications such as atherosclerosis. Sirtuins are NAD+-dependent histone deacetylases that are implicated in the pathophysiology of cardiovascular diseases, and they have been identified to be important regulators of endothelial cell function. A handful of recent studies suggest that disbalance in the regulation of endothelial sirtuins, mainly sirtuin 1 (SIRT1), contributes to endothelial cell dysfunction. Herein, we summarize how SIRT1 and other sirtuins may contribute to endothelial cell function and how presence of diseased conditions may alter their expressions to cause endothelial dysfunction. Moreover, we discuss how the beneficial effects of exercise on the endothelium are dependent on SIRT1. These mainly include regulation of signaling pathways related to endothelial nitric oxide synthase phosphorylation and nitric oxide production, mitochondrial biogenesis and mitochondria-mediated apoptotic pathways, oxidative stress and inflammatory pathways. Sirtuins as modulators of the adverse conditions in the endothelium hold a promising therapeutic potential for health conditions related to endothelial dysfunction and vascular ageing.
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Kim S, Piao S, Lee I, Nagar H, Choi SJ, Shin N, Kim DW, Shong M, Jeon BH, Kim CS. CR6 interacting factor 1 deficiency induces premature senescence via SIRT3 inhibition in endothelial cells. Free Radic Biol Med 2020; 150:161-171. [PMID: 32109515 DOI: 10.1016/j.freeradbiomed.2020.02.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 02/17/2020] [Accepted: 02/19/2020] [Indexed: 12/13/2022]
Abstract
Vascular endothelial cell senescence is an important cause of cardiac-related diseases. Mitochondrial reactive oxygen species (mtROS) have been implicated in cellular senescence and multiple cardiovascular disorders. CR6 interacting factor 1 (CRIF1) deficiency has been shown to increase mtROS via the inhibition of mitochondrial oxidative phosphorylation; however, the mechanisms by which mtROS regulates vascular endothelial senescence have not been thoroughly explored. The goal of this study was to investigate the effects of CRIF1 deficiency on endothelial senescence and to elucidate the underlying mechanisms. CRIF1 deficiency was shown to increase the activity of senescence-associated β-galactosidase along with increased expression of phosphorylated p53, p21, and p16 proteins. Cell cycle arrested in the G0/G1 phase were identified in CRIF1-deficient cells using the flow cytometry. Furthermore, CRIF1 deficiency was also shown to increase cellular senescence by reducing the expression of Sirtuin 3 (SIRT3) via ubiquitin-mediated degradation of transcription factors PGC1α and NRF2. Downregulation of CRIF1 also attenuated the function of mitochondrial antioxidant enzymes including manganese superoxide dismutase (MnSOD), Foxo3a, nicotinamide-adenine dinucleotide phosphate, and glutathione via the suppression of SIRT3. Interestingly, overexpression of SIRT3 in CRIF1-deficient endothelial cells not only reduced mtROS levels by elevating expression of the antioxidant enzyme MnSOD but also decreased the expression of cell senescence markers. Taken together, these results suggest that CRIF1 deficiency induces vascular endothelial cell senescence via ubiquitin-mediated degradation of the transcription coactivators PGC1α and NRF2, resulting in decreased expression of SIRT3.
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Affiliation(s)
- Seonhee Kim
- Department of Physiology & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea
| | - Shuyu Piao
- Department of Physiology & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea
| | - Ikjun Lee
- Department of Physiology & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea
| | - Harsha Nagar
- Department of Physiology & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea
| | - Su-Jeong Choi
- Department of Physiology & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea
| | - Nara Shin
- Department of Anatomy & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea
| | - Dong Woon Kim
- Department of Anatomy & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea
| | - Minho Shong
- Department of Endocrinology, Chungnam National University Hospital, Daejeon, 301-721, Republic of Korea
| | - Byeong Hwa Jeon
- Department of Physiology & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea
| | - Cuk-Seong Kim
- Department of Physiology & Medical Science, Chungnam National University College of Medicine, Daejeon, 301-747, Republic of Korea.
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Piao S, Nagar H, Kim S, Lee I, Choi SJ, Kim T, Jeon BH, Kim CS. CRIF1 deficiency induced mitophagy via p66shc-regulated ROS in endothelial cells. Biochem Biophys Res Commun 2020; 522:869-875. [DOI: 10.1016/j.bbrc.2019.11.109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 11/17/2019] [Indexed: 12/15/2022]
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19
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Lee I, Kim S, Nagar H, Choi SJ, Jeon BH, Piao S, Kim CS. CR6-interacting factor 1 deficiency reduces endothelial nitric oxide synthase activity by inhibiting biosynthesis of tetrahydrobiopterin. Sci Rep 2020; 10:842. [PMID: 31964986 PMCID: PMC6972730 DOI: 10.1038/s41598-020-57673-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 12/31/2019] [Indexed: 01/07/2023] Open
Abstract
Downregulation of CR6 interacting factor 1 (CRIF1) has been reported to induce mitochondrial dysfunction, resulting in reduced activity of endothelial nitric oxide synthase (eNOS) and NO production in endothelial cells. Tetrahydrobiopterin (BH4) is an important cofactor in regulating the balance between NO (eNOS coupling) and superoxide production (eNOS uncoupling). However, whether the decreased eNOS and NO production in CRIF1-deficient cells is associated with relative BH4 deficiency-induced eNOS uncoupling remains completely unknown. Our results showed that CRIF1 deficiency increased eNOS uncoupling and depleted levels of total biopterin and BH4 by reducing the enzymes of BH4 biosynthesis (GCH-1, PTS, SPR, and DHFR) in vivo and vitro, respectively. Supplementation of CRIF1-deficient cells with BH4 significantly increased the recovery of Akt and eNOS phosphorylation and NO synthesis. In addition, scavenging ROS with MitoTEMPO treatment replenished BH4 levels by elevating levels of GCH-1, PTS, and SPR, but with no effect on the level of DHFR. Downregulation of DHFR synthesis regulators p16 or p21 in CRIF1-deficient cells partially recovered the DHFR expression. In summary, CRIF1 deficiency inhibited BH4 biosynthesis and exacerbated eNOS uncoupling. This resulted in reduced NO production and increased oxidative stress, which contributes to endothelial dysfunction and is involved in the pathogenesis of cardiovascular diseases.
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Affiliation(s)
- Ikjun Lee
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, 301-747, Republic of Korea
| | - Seonhee Kim
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, 301-747, Republic of Korea
| | - Harsha Nagar
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, 301-747, Republic of Korea
| | - Su-Jeong Choi
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, 301-747, Republic of Korea
| | - Byeong Hwa Jeon
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, 301-747, Republic of Korea
| | - Shuyu Piao
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, 301-747, Republic of Korea.
| | - Cuk-Seong Kim
- Department of Physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, 301-747, Republic of Korea.
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Kim S, Lee I, Song HJ, Choi SJ, Nagar H, Kim SM, Jeon BH, Kim BS, Park HJ, Piao S, Kim CS. Far-Infrared-Emitting Sericite Board Upregulates Endothelial Nitric Oxide Synthase Activity through Increasing Biosynthesis of Tetrahydrobiopterin in Endothelial Cells. Evid Based Complement Alternat Med 2019; 2019:1813282. [PMID: 31781259 DOI: 10.1155/2019/1813282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/14/2019] [Accepted: 08/23/2019] [Indexed: 11/24/2022]
Abstract
Far-infrared ray (FIR) therapy has been reported to exert beneficial effects on cardiovascular function by elevating endothelial nitric oxide synthesis (eNOS) activity and nitric oxide (NO) production. Tetrahydrobiopterin (BH4) is a key determinant of eNOS-dependent NO synthesis in vascular endothelial cells. However, whether BH4 synthesis is associated with the effects of FIR on eNOS/NO production has not yet been investigated. In this study, we investigated the effects of FIR on BH4-dependent eNOS/NO production and vascular function. We used FIR-emitting sericite boards as an experimental material and placed human umbilical vein endothelial cells (HUVECs) and Sprague–Dawley rats on the boards with or without FIR irradiation and then evaluated vascular relaxation by detecting NO generation, BH4 synthesis, and Akt/eNOS activation. Our results showed that FIR radiation significantly enhanced Akt/eNOS phosphorylation and NO production in human endothelial cells and aorta tissues. FIR can also induce BH4 storage by elevating levels of enzymes (e.g., guanosine triphosphate cyclohydrolase-1, 6-pyruvoyl tetrahydrobiopterin synthase, sepiapterin reductase, and dihydrofolate reductase), which ultimately results in NO production. These results indicate that FIR upregulated eNOS-dependent NO generation via BH4 synthesis and Akt phosphorylation, which contributes to the regulation of vascular function. This might develop potential clinical application of FIR to treat vascular diseases by augmenting the BH4/NO pathway.
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Dai J, Liu R, Zhao J, Zhang A. Sulfur dioxide improves endothelial dysfunction by downregulating the angiotensin II/AT 1R pathway in D-galactose-induced aging rats. J Renin Angiotensin Aldosterone Syst 2018; 19:1470320318778898. [PMID: 29848151 PMCID: PMC5985551 DOI: 10.1177/1470320318778898] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The aim of this study was to investigate the protective effects of sulfur dioxide (SO2) on the endothelial function of the aorta in D-galactose (D-gal)-induced aging rats. Sprague Dawley rats were randomized into a D-gal group, a D-gal + SO2 group and a control group, then injected with D-gal, D-gal + SO2 donor or equivalent volumes of saline, respectively, for 8 consecutive weeks. After 8 weeks, the mean arterial pressure was significantly increased in the D-gal group, but was lowered by SO2. SO2 significantly ameliorated the endothelial dysfunction induced by D-gal treatment. The vasorelaxant effect of SO2 was associated with the elevated nitric oxide levels and upregulated phosphorylation of endothelial nitric oxide synthase. In the D-gal group, the concentration of angiotensin II in the plasma was significantly increased, but was decreased by SO2. Moreover, levels of vascular tissue hydrogen peroxide (H2O2) and malondialdehyde were significantly lower in SO2-treated groups than those in the D-gal group. Western blot analysis showed that the expressions of oxidative stress-related proteins (the angiotensin II type 1 receptor (AT1R), and nicotinamide adenine dinucleotide phosphate oxidase subunits) were increased in the D-gal group, while they were decreased after treatment with SO2. In conclusion, SO2 attenuated endothelial dysfunction in association with the inhibition of oxidative stress injury and the downregulation of the angiotensin II/AT1R pathway in D-gal-induced aging rats.
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Affiliation(s)
- Jing Dai
- 1 Department of Clinical Diagnostics, Hebei Medical University, China
| | - Rui Liu
- 2 Department of Thoracic Surgery, Suining Central Hospital, China
| | - Jinjie Zhao
- 3 Department of Cardiovascular Surgery, Suining Central Hospital, China
| | - Aijie Zhang
- 4 Basic Laboratory, Suining Central Hospital, China
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Piao S, Lee JW, Nagar H, Jung SB, Choi S, Kim S, Lee I, Kim SM, Shin N, Lee YR, Lee SD, Park JB, Irani K, Won M, Hur GM, Jeon BH, Kim DW, Kim CS. CR6 interacting factor 1 deficiency promotes endothelial inflammation by SIRT1 downregulation. PLoS One 2018; 13:e0192693. [PMID: 29474366 PMCID: PMC5825004 DOI: 10.1371/journal.pone.0192693] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 01/29/2018] [Indexed: 11/29/2022] Open
Abstract
Aims CR6 interacting factor 1 (CRIF1) deficiency impairs mitochondrial oxidative phosphorylation complexes, contributing to increased mitochondrial and cellular reactive oxygen species (ROS) production. CRIF1 downregulation has also been revealed to decrease sirtuin 1 (SIRT1) expression and impair vascular function. Inhibition of SIRT1 disturbs oxidative energy metabolism and stimulates nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB)-induced inflammation. Therefore, we hypothesized that both CRIF1 deficiency-induced mitochondrial ROS production and SIRT1 reduction play stimulatory roles in vascular inflammation. Methods and results Plasma levels and mRNA expression of proinflammatory cytokines (tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6) were markedly elevated in endothelium-specific CRIF1-knockout mice and CRIF1-silenced endothelial cells, respectively. Moreover, CRIF1 deficiency-induced vascular adhesion molecule-1 (VCAM-1) expression was consistently attenuated by the antioxidant N-acetyl-cysteine and NF-κB inhibitor (BAY11). We next showed that siRNA-mediated CRIF1 downregulation markedly activated NF-κB. SIRT1 overexpression not only rescued CRIF1 deficiency-induced NF-κB activation but also decreased inflammatory cytokines (TNF-α, IL-1β, and IL-6) and VCAM-1 expression levels in endothelial cells. Conclusions These results strongly suggest that CRIF1 deficiency promotes endothelial cell inflammation by increasing VCAM-1 expression, elevating inflammatory cytokines levels, and activating the transcription factor NF-κB, all of which were inhibited by SIRT1 overexpression.
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Affiliation(s)
- Shuyu Piao
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Jun Wan Lee
- Emergency ICU, Regional Emergency Center, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Harsha Nagar
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Saet-byel Jung
- Department of Endocrinology, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Sujeong Choi
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Seonhee Kim
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Ikjun Lee
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Sung-min Kim
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Nara Shin
- Department of Anatomy & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Yu Ran Lee
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Sang Do Lee
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Jin Bong Park
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Kaikobad Irani
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA United States of America
| | - Minho Won
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Gang Min Hur
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Byeong Hwa Jeon
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Dong Woon Kim
- Department of Anatomy & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Cuk-Seong Kim
- Department of physiology & Medical Science, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
- * E-mail:
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Abstract
Nitric oxide (NO) signalling has pleiotropic roles in biology and a crucial function in cardiovascular homeostasis. Tremendous knowledge has been accumulated on the mechanisms of the nitric oxide synthase (NOS)-NO pathway, but how this highly reactive, free radical gas signals to specific targets for precise regulation of cardiovascular function remains the focus of much intense research. In this Review, we summarize the updated paradigms on NOS regulation, NO interaction with reactive oxidant species in specific subcellular compartments, and downstream effects of NO in target cardiovascular tissues, while emphasizing the latest developments of molecular tools and biomarkers to modulate and monitor NO production and bioavailability.
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Affiliation(s)
- Charlotte Farah
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Experimentale et Clinique (IREC) and Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, UCL-FATH Tour Vésale 5th Floor, 52 Avenue Mounier B1.53.09, 1200 Brussels, Belgium
| | - Lauriane Y M Michel
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Experimentale et Clinique (IREC) and Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, UCL-FATH Tour Vésale 5th Floor, 52 Avenue Mounier B1.53.09, 1200 Brussels, Belgium
| | - Jean-Luc Balligand
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Experimentale et Clinique (IREC) and Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, UCL-FATH Tour Vésale 5th Floor, 52 Avenue Mounier B1.53.09, 1200 Brussels, Belgium
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