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Mialet-Perez J, Belaidi E. Interplay between hypoxia inducible Factor-1 and mitochondria in cardiac diseases. Free Radic Biol Med 2024; 221:13-22. [PMID: 38697490 DOI: 10.1016/j.freeradbiomed.2024.04.239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/23/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
Ischemic heart diseases and cardiomyopathies are characterized by hypoxia, energy starvation and mitochondrial dysfunction. HIF-1 acts as a cellular oxygen sensor, tuning the balance of metabolic and oxidative stress pathways to provide ATP and sustain cell survival. Acting on mitochondria, HIF-1 regulates different processes such as energy substrate utilization, oxidative phosphorylation and mitochondrial dynamics. In turn, mitochondrial homeostasis modifications impact HIF-1 activity. This underlies that HIF-1 and mitochondria are tightly interconnected to maintain cell homeostasis. Despite many evidences linking HIF-1 and mitochondria, the mechanistic insights are far from being understood, particularly in the context of cardiac diseases. Here, we explore the current understanding of how HIF-1, reactive oxygen species and cell metabolism are interconnected, with a specific focus on mitochondrial function and dynamics. We also discuss the divergent roles of HIF in acute and chronic cardiac diseases in order to highlight that HIF-1, mitochondria and oxidative stress interaction deserves to be deeply investigated. While the strategies aiming at stabilizing HIF-1 have provided beneficial effects in acute ischemic injury, some deleterious effects were observed during prolonged HIF-1 activation. Thus, deciphering the link between HIF-1 and mitochondria will help to optimize HIF-1 modulation and provide new therapeutic perspectives for the treatment of cardiovascular pathologies.
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Affiliation(s)
- Jeanne Mialet-Perez
- Univ. Angers, INSERM, CNRS, MITOVASC, Equipe MitoLab, SFR ICAT, Angers, France
| | - Elise Belaidi
- Univ. Lyon 1, Laboratory of Tissue Biology and Therapeutic Engineering, CNRS, LBTI UMR 5305, 69367, Lyon, France.
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2
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Lewis J, Yaseen B, Saraf A. Novel 2D/3D Hybrid Organoid System for High-Throughput Drug Screening in iPSC Cardiomyocytes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.29.591754. [PMID: 38746465 PMCID: PMC11092641 DOI: 10.1101/2024.04.29.591754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Human induced pluripotent stem cell cardiomyocytes (hiPSC-CMs) allow for high-throughput evaluation of cardiomyocyte (CM) physiology in health and disease. While multimodality testing provides a large breadth of information related to electrophysiology, contractility, and intracellular signaling in small populations of iPSC-CMs, current technologies for analyzing these parameters are expensive and resource-intensive. We sought to design a 2D/3D hybrid organoid system and harness optical imaging techniques to assess electromechanical properties, calcium dynamics, and signal propagation across CMs in a high-throughput manner. We validated our methods using a doxorubicin-based system, as the drug has well-characterized cardiotoxic, pro-arrhythmic effects. hiPSCs were differentiated into CMs, assembled into organoids, and thereafter treated with doxorubicin. The organoids were then replated to form a hybrid 2D/3D iPSC-CM construct where the 3D cardiac organoids acted as the source of electromechanical activity which propagated outwards into a 2D iPSC-CM sheet. The organoid recapitulated cardiac structure and connectivity, while 2D CMs facilitated analysis at an individual cellular level which recreated numerous doxorubicin-induced electrophysiologic and propagation abnormalities. Thus, we have developed a novel 2D/3D hybrid organoid model that employs an integrated optical analysis platform to provide a reliable high-throughput method for studying cardiotoxicity, providing valuable data on calcium, contractility, and signal propagation.
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3
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Kreidieh F, McQuade J. Novel insights into cardiovascular toxicity of cancer targeted and immune therapies: Beyond ischemia with non-obstructive coronary arteries (INOCA). AMERICAN HEART JOURNAL PLUS : CARDIOLOGY RESEARCH AND PRACTICE 2024; 40:100374. [PMID: 38510501 PMCID: PMC10946000 DOI: 10.1016/j.ahjo.2024.100374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 02/20/2024] [Indexed: 03/22/2024]
Abstract
Novel immune and targeted therapies approved over the past 2 decades have resulted in dramatic improvements in cancer-specific outcomes for many cancer patients. However, many of these agents can induce cardiovascular toxicity in a subset of patients. The field of cardio-oncology was established based on observations that anti-neoplastic chemotherapies and mantle radiation can lead to premature cardiomyopathy in cancer survivors. While conventional chemotherapy, targeted therapy, and immune therapies can all result in cardiovascular adverse events, the mechanisms, timing, and incidence of these events are inherently different. Many of these effects converge upon the coronary microvasculature to involve, through endocardial endothelial cells, a more direct effect through close proximity to cardiomyocyte with cellular communication and signaling pathways. In this review, we will provide an overview of emerging paradigms in the field of Cardio-Oncology, particularly the role of the coronary microvasculature in mediating cardiovascular toxicity of important cancer targeted and immune therapies. As the number of cancer patients treated with novel immune and targeted therapies grows exponentially and subsequently the number of long-term cancer survivors dramatically increases, it is critical that cardiologists and cardiology researchers recognize the unique potential cardiovascular toxicities of these agents.
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Affiliation(s)
- Firas Kreidieh
- Instructor of Clinical Medicine- Division of Hematology-Oncology; Associate Director- Internal Medicine Residency Program, American University of Beirut, Beirut, Lebanon
| | - Jennifer McQuade
- Associate Professor and Physician Scientist in Melanoma Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, United States of America
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4
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Wan JJ, Yi J, Wang FY, Zhang C, Dai AG. Expression and regulation of HIF-1a in hypoxic pulmonary hypertension: Focus on pathological mechanism and Pharmacological Treatment. Int J Med Sci 2024; 21:45-60. [PMID: 38164358 PMCID: PMC10750340 DOI: 10.7150/ijms.88216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/20/2023] [Indexed: 01/03/2024] Open
Abstract
Hypoxia inducible factor-1(HIF-1), a heterodimeric transcription factor, is composed of two subunits (HIF-1α and HIF-1β). It is considered as an important transcription factor for regulating oxygen changes in hypoxic environment, which can regulate the expression of various hypoxia-related target genes and play a role in acute and chronic hypoxia pulmonary vascular reactions. In this paper, the function and mechanism of HIF-1a expression and regulation in hypoxic pulmonary hypertension (HPH) were reviewed, and current candidate schemes for treating pulmonary hypertension by using HIF-1a as the target were introduced, so as to provide reference for studying the pathogenesis of HPH and screening effective treatment methods.
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Affiliation(s)
- Jia-Jing Wan
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, People's Republic of China
| | - Jian Yi
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha 410021, Hunan, People's Republic of China
| | - Fei-Ying Wang
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, People's Republic of China
| | - Chao Zhang
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, People's Republic of China
| | - Ai-Guo Dai
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, People's Republic of China
- Department of Respiratory Medicine, First Affiliated Hospital, Hunan University of Chinese Medicine, Changsha 410021, Hunan, People's Republic of China
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5
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Moradi MT, Fadaei R, Sharafkhaneh A, Khazaie H, Gozal D. The role of lncRNAs in intermittent hypoxia and sleep Apnea: A review of experimental and clinical evidence. Sleep Med 2024; 113:188-197. [PMID: 38043330 DOI: 10.1016/j.sleep.2023.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 12/05/2023]
Abstract
In this narrative review, we present a comprehensive assessment on the putative roles of long non-coding RNAs (lncRNAs) in intermittent hypoxia (IH) and sleep apnea. Collectively, the evidence from cell culture, animal, and clinical research studies points to the functional involvement of lncRNAs in the pathogenesis, diagnosis, and potential treatment strategies for this highly prevalent disorder. Further research is clearly warranted to uncover the mechanistic pathways and to exploit the therapeutic potential of lncRNAs, thereby improving the management and outcomes of patients suffering from sleep apnea.
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Affiliation(s)
- Mohammad-Taher Moradi
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Fadaei
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Pharmacology, Vanderbilt University, Nashville, TN, USA
| | - Amir Sharafkhaneh
- Sleep Disorders and Research Center, Baylor College of Medicine, Houston, TX, USA
| | - Habibolah Khazaie
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - David Gozal
- Joan C. Edwards School of Medicine, Marshall University, 1600 Medical Center Dr, Huntington, WV, 25701, USA.
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6
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Xie L, He J, Mao J, Zhang Q, Bo H, Li L. The interplay between H19 and HIF-1α in mitochondrial dysfunction in myocardial infarction. Cell Signal 2023; 112:110919. [PMID: 37848100 DOI: 10.1016/j.cellsig.2023.110919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/24/2023] [Accepted: 10/09/2023] [Indexed: 10/19/2023]
Abstract
Myocardial infarction(MI) causes prolonged ischemia of infarcted myocardial tissue, which triggers a wide range of hypoxia cellular responses in cardiomyocytes. Emerging evidence has indicated the critical roles of long non-coding RNAs(lncRNAs) in cardiovascular diseases, including MI. The purpose of this study was to investigate the roles of lncRNA H19 and H19/HIF-1α pathway during MI. Results showed that cell injury and mitochondrial dysfunction were induced in hypoxia-treated H9c2 cells, accompanied by an increase in the expression of H19. H19 silencing remarkably diminishes cell injury, inhibits the dysfunctional degree of mitochondria, and decreases the injury of MI rats. Bioinformatics analysis and dual-luciferase assays revealed that H19 was the hypoxia-responsive lncRNA, and HIF-1α induced H19 transcription through direct binding to the H19 promoter. Moreover, H19 participates in the HIF-1α pathway by stabilizing the HIF-1α protein. These results indicated that H19 might be a potential biomarker and therapeutic target for myocardial infarction.
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Affiliation(s)
- Luhan Xie
- Department of Pathology and Forensic Medicine, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jiabei He
- Department of Ultrasound, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jun Mao
- Department of Pathology and Forensic Medicine, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Qingqing Zhang
- Department of Pathology and Forensic Medicine, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Hongchen Bo
- Department of Pathology and Forensic Medicine, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Lianhong Li
- Department of Pathology and Forensic Medicine, College of Basic Medical Sciences, Dalian Medical University, Dalian, China.
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7
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Zhao Y, Xiong W, Li C, Zhao R, Lu H, Song S, Zhou Y, Hu Y, Shi B, Ge J. Hypoxia-induced signaling in the cardiovascular system: pathogenesis and therapeutic targets. Signal Transduct Target Ther 2023; 8:431. [PMID: 37981648 PMCID: PMC10658171 DOI: 10.1038/s41392-023-01652-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/10/2023] [Accepted: 09/13/2023] [Indexed: 11/21/2023] Open
Abstract
Hypoxia, characterized by reduced oxygen concentration, is a significant stressor that affects the survival of aerobic species and plays a prominent role in cardiovascular diseases. From the research history and milestone events related to hypoxia in cardiovascular development and diseases, The "hypoxia-inducible factors (HIFs) switch" can be observed from both temporal and spatial perspectives, encompassing the occurrence and progression of hypoxia (gradual decline in oxygen concentration), the acute and chronic manifestations of hypoxia, and the geographical characteristics of hypoxia (natural selection at high altitudes). Furthermore, hypoxia signaling pathways are associated with natural rhythms, such as diurnal and hibernation processes. In addition to innate factors and natural selection, it has been found that epigenetics, as a postnatal factor, profoundly influences the hypoxic response and progression within the cardiovascular system. Within this intricate process, interactions between different tissues and organs within the cardiovascular system and other systems in the context of hypoxia signaling pathways have been established. Thus, it is the time to summarize and to construct a multi-level regulatory framework of hypoxia signaling and mechanisms in cardiovascular diseases for developing more therapeutic targets and make reasonable advancements in clinical research, including FDA-approved drugs and ongoing clinical trials, to guide future clinical practice in the field of hypoxia signaling in cardiovascular diseases.
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Affiliation(s)
- Yongchao Zhao
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
| | - Weidong Xiong
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Shanghai, 200032, China
- Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, 200032, China
| | - Chaofu Li
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
| | - Ranzun Zhao
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
| | - Hao Lu
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
- National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
- Shanghai Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
| | - Shuai Song
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
- National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
- Shanghai Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
| | - You Zhou
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China
- National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
- Shanghai Clinical Research Center for Interventional Medicine, Shanghai, 200032, China
| | - Yiqing Hu
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China.
| | - Bei Shi
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China.
| | - Junbo Ge
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China.
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, 200032, China.
- Key Laboratory of Viral Heart Diseases, National Health Commission, Shanghai, 200032, China.
- Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, 200032, China.
- National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China.
- Shanghai Clinical Research Center for Interventional Medicine, Shanghai, 200032, China.
- Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.
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8
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Corradi F, Masini G, Bucciarelli T, De Caterina R. Iron deficiency in myocardial ischaemia: molecular mechanisms and therapeutic perspectives. Cardiovasc Res 2023; 119:2405-2420. [PMID: 37722377 DOI: 10.1093/cvr/cvad146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 05/14/2023] [Accepted: 07/10/2023] [Indexed: 09/20/2023] Open
Abstract
Systemic iron deficiency (SID), even in the absence of anaemia, worsens the prognosis and increases mortality in heart failure (HF). Recent clinical-epidemiological studies, however, have shown that a myocardial iron deficiency (MID) is frequently present in cases of severe HF, even in the absence of SID and without anaemia. In addition, experimental studies have shown a poor correlation between the state of systemic and myocardial iron. MID in animal models leads to severe mitochondrial dysfunction, alterations of mitophagy, and mitochondrial biogenesis, with profound alterations in cardiac mechanics and the occurrence of a fatal cardiomyopathy, all effects prevented by intravenous administration of iron. This shifts the focus to the myocardial state of iron, in the absence of anaemia, as an important factor in prognostic worsening and mortality in HF. There is now epidemiological evidence that SID worsens prognosis and mortality also in patients with acute and chronic coronary heart disease and experimental evidence that MID aggravates acute myocardial ischaemia as well as post-ischaemic remodelling. Intravenous administration of ferric carboxymaltose (FCM) or ferric dextrane improves post-ischaemic adverse remodelling. We here review such evidence, propose that MID worsens ischaemia/reperfusion injury, and discuss possible molecular mechanisms, such as chronic hyperactivation of HIF1-α, exacerbation of cytosolic and mitochondrial calcium overload, amplified increase of mitochondrial [NADH]/[NAD+] ratio, and depletion of energy status and NAD+ content with inhibition of sirtuin 1-3 activity. Such evidence now portrays iron metabolism as a core factor not only in HF but also in myocardial ischaemia.
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Affiliation(s)
- Francesco Corradi
- Department of Medicine and Aging Sciences, "G. D'Annunzio" University of Chieti-Pescara, Via dei Vestini, 66100, Chieti, Italy
| | - Gabriele Masini
- Chair and Postgraduate School of Cardiology, University of Pisa, Via Savi 10, 56126, Pisa, Italy
| | - Tonino Bucciarelli
- Department of Medicine and Aging Sciences, "G. D'Annunzio" University of Chieti-Pescara, Via dei Vestini, 66100, Chieti, Italy
| | - Raffaele De Caterina
- Chair and Postgraduate School of Cardiology, University of Pisa, Via Savi 10, 56126, Pisa, Italy
- Fondazione VillaSerena per la Ricerca, Viale L. Petruzzi 42, 65013, Città Sant'Angelo, Pescara, Italy
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9
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Hiramoto K, Kubo S, Tsuji K, Sugiyama D, Hamano H. Induction of Skin Cancer by Long-Term Blue Light Irradiation. Biomedicines 2023; 11:2321. [PMID: 37626816 PMCID: PMC10452187 DOI: 10.3390/biomedicines11082321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/19/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Presently, people are not only exposed to sunlight but also to a large amount of blue light from personal computers and smartphones. This blue light has various effects on the living body. However, its effect on the induction of skin cancer is unknown. In this study, we investigated the induction of skin cancer by long-term blue light irradiation. Hairless mice were irradiated with blue light (LED; peak emission 479 nm) every day for one year, and a control was irradiated with white light (LED), green light (LED; peak emission 538 nm), and red light (LED; peak emission 629 nm) for one year, respectively. Skin cancer was induced only in the mice exposed to blue light. Long-term blue light irradiation also increased the migration of neutrophils and macrophages involved in carcinogenesis in the skin. In neutrophils, an increased expression of citH3 and PAD4 was observed, suggesting the possibility of NETosis. Conversely, in macrophages, inflammatory macrophages (type 1 macrophages) increased and anti-inflammatory macrophages (type 2 macrophages) decreased due to continuous blue light irradiation. These findings suggest that long-term continuous irradiation with blue light induces neutrophil NETosis and an increase in type 1 macrophages, resulting in skin cancer.
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Affiliation(s)
- Keiichi Hiramoto
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Sayaka Kubo
- Research Department, Daiichi Sankyo Healthcare Co., Ltd., Chuo-ku, Tokyo 140-8170, Japan; (S.K.); (K.T.); (D.S.); (H.H.)
| | - Keiko Tsuji
- Research Department, Daiichi Sankyo Healthcare Co., Ltd., Chuo-ku, Tokyo 140-8170, Japan; (S.K.); (K.T.); (D.S.); (H.H.)
| | - Daijiro Sugiyama
- Research Department, Daiichi Sankyo Healthcare Co., Ltd., Chuo-ku, Tokyo 140-8170, Japan; (S.K.); (K.T.); (D.S.); (H.H.)
| | - Hideo Hamano
- Research Department, Daiichi Sankyo Healthcare Co., Ltd., Chuo-ku, Tokyo 140-8170, Japan; (S.K.); (K.T.); (D.S.); (H.H.)
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10
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Hiramoto K, Imai M, Tanaka S, Ooi K. Changes in the AGE/Macrophage/TNF-α Pathway Affect Skin Dryness during KK-Ay/Tajcl Mice Aging. Life (Basel) 2023; 13:1339. [PMID: 37374121 DOI: 10.3390/life13061339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/17/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Skin dryness associated with type 2 diabetes worsens with age; however, the underlying mechanisms remain unclear. Herein, we investigated the effects of aging on skin dryness using a type 2 diabetes mice model. Specific pathogen-free KK-Ay/TaJcl mice of different ages (10, 27, 40, and 50 weeks) were used in this study. The results confirmed that skin dryness worsens with age. Furthermore, increased levels of advanced glycation end products (AGE), prostaglandin E2 (PGE2), and tumor necrosis factor (TNF)-α, along with an increased expression of the major AGE receptor (RAGE), an increased macrophage number, and decreased collagen expression were observed in the skin of aged KK-Ay/TaJcl mice. In conclusion, dry skin conditions worsen with age in diabetic mice, and the AGE/RAGE/PGE2 and TNF-α pathways play an important role in exacerbating skin dryness during aging in these mice.
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Affiliation(s)
- Keiichi Hiramoto
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Masashi Imai
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Shota Tanaka
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Kazuya Ooi
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
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11
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Sant’Ana PG, de Tomasi LC, Murata GM, Vileigas DF, Mota GAF, de Souza SLB, Silva VL, de Campos LP, Okoshi K, Padovani CR, Cicogna AC. Hypoxia-Inducible Factor 1-Alpha and Glucose Metabolism during Cardiac Remodeling Progression from Hypertrophy to Heart Failure. Int J Mol Sci 2023; 24:ijms24076201. [PMID: 37047174 PMCID: PMC10094437 DOI: 10.3390/ijms24076201] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/29/2023] Open
Abstract
In pathological cardiac hypertrophy, the heart is more dependent on glucose than fatty acids. This shift in energy metabolism occurs due to several factors, including the oxygen deficit, which activates hypoxia-inducible factor-1α (HIF-1α), a critical molecule related to glucose metabolism. However, there are gaps regarding the behavior of key proteins in the glycolytic pathway and HIF-1α during the transition from hypertrophy to heart failure (HF). This study assesses the hypothesis that there is an early change and enhancement of HIF-1α and the glycolytic pathway, as well as an association between them during cardiac remodeling. Sham and aortic stenosis Wistar rats were analyzed at 2, 6, and 18 weeks and in HF (n = 10–18). Cardiac structure and function were investigated by echocardiogram. Myocardial glycolysis, the aerobic and anaerobic pathways and glycogen were analyzed by enzymatic assay, Western blot, and enzyme-linked immunosorbent assay (ELISA). The following were observed: increased left ventricular hypertrophy; early diastolic function change and severe systolic and diastolic dysfunction in HF; increased HIF-1α in the 2nd week and in HF; precocious alteration and intensification of glycolysis with a shift to anaerobic metabolism from the 6th week onwards; association between HIF-1α, glycolysis, and the anaerobic pathway. Our hypothesis was confirmed as there was an early change and intensification in glucose metabolism, alteration in HIF-1α, and an association between data during the progression from hypertrophy to heart failure.
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Affiliation(s)
- Paula Grippa Sant’Ana
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Loreta Casquel de Tomasi
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Gilson Masahiro Murata
- Laboratory of Medical Investigation (LIM-29), Division of Nephrology, University of São Paulo Medical School, São Paulo 01246-903, Brazil
| | - Danielle Fernandes Vileigas
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Gustavo Augusto Ferreira Mota
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Sérgio Luiz Borges de Souza
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Vitor Loureiro Silva
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Livia Paschoalino de Campos
- Department of Biostatistics, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil
| | - Katashi Okoshi
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
| | - Carlos Roberto Padovani
- Department of Biostatistics, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil
| | - Antonio Carlos Cicogna
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, Brazil
- Correspondence:
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12
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Zou J, Wang W, Lu Y, Ayala J, Dong K, Zhou H, Wang J, Chen W, Weintraub NL, Zhou J, Li J, Su H. Neddylation is required for perinatal cardiac development through stimulation of metabolic maturation. Cell Rep 2023; 42:112018. [PMID: 36662623 PMCID: PMC10029150 DOI: 10.1016/j.celrep.2023.112018] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 11/23/2022] [Accepted: 01/05/2023] [Indexed: 01/21/2023] Open
Abstract
Cardiac maturation is crucial for postnatal cardiac development and is increasingly known to be regulated by a series of transcription factors. However, post-translational mechanisms regulating this process remain unclear. Here we report the indispensable role of neddylation in cardiac maturation. Mosaic deletion of NAE1, an essential enzyme for neddylation, in neonatal hearts results in the rapid development of cardiomyopathy and heart failure. NAE1 deficiency disrupts transverse tubule formation, inhibits physiological hypertrophy, and represses fetal-to-adult isoform switching, thus culminating in cardiomyocyte immaturation. Mechanistically, we find that neddylation is needed for the perinatal metabolic transition from glycolytic to oxidative metabolism in cardiomyocytes. Further, we show that HIF1α is a putative neddylation target and that inhibition of neddylation accumulates HIF1α and impairs fatty acid utilization and bioenergetics in cardiomyocytes. Together, our data show neddylation is required for cardiomyocyte maturation through promoting oxidative metabolism in the developing heart.
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Affiliation(s)
- Jianqiu Zou
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Wenjuan Wang
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Yi Lu
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; Department of Neurology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Juan Ayala
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Kunzhe Dong
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Hongyi Zhou
- Department of Physiology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Jinxi Wang
- Department of Medicine, University of Iowa, 200 Hawkins Drive, CBRB 2270B, Iowa City, IA 52242, USA
| | - Weiqin Chen
- Department of Physiology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Neal L Weintraub
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Jiliang Zhou
- Department of Medicine, University of Iowa, 200 Hawkins Drive, CBRB 2270B, Iowa City, IA 52242, USA
| | - Jie Li
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; Division of Cardiology, Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Huabo Su
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA.
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13
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Therapeutic strategies for liver diseases based on redox control systems. Biomed Pharmacother 2022; 156:113764. [DOI: 10.1016/j.biopha.2022.113764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/22/2022] [Accepted: 09/26/2022] [Indexed: 11/18/2022] Open
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Karlstaedt A, Taegtmeyer H. Cardio-Onco-Metabolism - Metabolic vulnerabilities in cancer and the heart. J Mol Cell Cardiol 2022; 171:71-80. [PMID: 35777454 PMCID: PMC10193535 DOI: 10.1016/j.yjmcc.2022.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 02/05/2022] [Accepted: 06/21/2022] [Indexed: 10/17/2022]
Abstract
Cancer and cardiovascular diseases (CVDs) are the leading cause of death worldwide. Metabolic remodeling is a hallmark of both cancer and the failing heart. Tumors reprogram metabolism to optimize nutrient utilization and meet increased demands for energy provision, biosynthetic pathways, and proliferation. Shared risk factors for cancer and CVDs suggest intersecting mechanisms for disease pathogenesis and progression. In this review, we aim to highlight the role of metabolic remodeling in cancer and its potential to impair cardiac function. Understanding these mechanisms will help us develop biomarkers, better therapies, and identify patients at risk of developing heart disease after surviving cancer.
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Affiliation(s)
- Anja Karlstaedt
- Smidt Heart Institute, Department of Cardiology, Cedars Sinai Medical Center, Los Angeles, California, USA.
| | - Heinrich Taegtmeyer
- Department of Internal Medicine, Division of Cardiology, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, Texas, USA
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15
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Abstract
Germline loss-of-function mutations of the VHL tumor suppressor gene cause von Hippel–Lindau disease, which is associated with an increased risk of hemangioblastomas, clear cell renal cell carcinomas (ccRCCs), and paragangliomas. This Review describes mechanisms involving the VHL gene product in oxygen sensing, protein degradation, and tumor development and current therapeutic strategies targeting these mechanisms. The VHL gene product is the substrate recognition subunit of a ubiquitin ligase that targets the α subunit of the heterodimeric hypoxia-inducible factor (HIF) transcription factor for proteasomal degradation when oxygen is present. This oxygen dependence stems from the requirement that HIFα be prolyl-hydroxylated on one (or both) of two conserved prolyl residues by members of the EglN (also called PHD) prolyl hydroxylase family. Deregulation of HIF, and particularly HIF2, drives the growth of VHL-defective ccRCCs. Drugs that inhibit the HIF-responsive gene product VEGF are now mainstays of ccRCC treatment. An allosteric HIF2 inhibitor was recently approved for the treatment of ccRCCs arising in the setting of VHL disease and has advanced to phase III testing for sporadic ccRCCs based on promising phase I/II data. Orally available EglN inhibitors are being tested for the treatment of anemia and ischemia. Five of these agents have been approved for the treatment of anemia in the setting of chronic kidney disease in various countries around the world.
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Xu X, Zhen PH, Yu FC, Wang T, Li SN, Wei Q, Tong JY. Chronic intermittent hypoxia accelerates cardiac dysfunction and cardiac remodeling during cardiac pressure overload in mice and can be alleviated by PHD3 overexpression. Front Cardiovasc Med 2022; 9:974345. [PMID: 36172572 PMCID: PMC9510693 DOI: 10.3389/fcvm.2022.974345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/19/2022] [Indexed: 11/13/2022] Open
Abstract
Obstructive sleep apnea (OSA) accelerates the progression of chronic heart failure (CHF). OSA is characterized by chronic intermittent hypoxia (CIH), and CIH exposure accelerates cardiac systolic dysfunction and cardiac remodeling in a cardiac afterload stress mouse model. Mechanistic experiments showed that long-term CIH exposure activated hypoxia-inducible factor 1α (HIF-1α) expression in the mouse heart and upregulated miR-29c expression and that both HIF-1α and miR-29c simultaneously inhibited sarco-/endoplasmic reticulum calcium ATPase 2a (SERCA2a) expression in the mouse heart. Cardiac HIF-1α activation promoted cardiomyocyte hypertrophy. SERCA2a expression was suppressed in mouse heart in middle- and late-stage cardiac afterload stress, and CIH exposure further downregulated SERCA2a expression and accelerated cardiac systolic dysfunction. Prolyl hydroxylases (PHDs) are physiological inhibitors of HIF-1α, and PHD3 is most highly expressed in the heart. Overexpression of PHD3 inhibited CIH-induced HIF-1α activation in the mouse heart while decreasing miR-29c expression, stabilizing the level of SERCA2a. Although PHD3 overexpression did not reduce mortality in mice, it alleviated cardiac systolic dysfunction and cardiac remodeling induced by CIH exposure.
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Affiliation(s)
- Xuan Xu
- Department of Cardiology, Zhongda Hospital, Southeast University, Nanjing, China
- Medical School of Southeast University, Nanjing, China
| | - Peng-Hao Zhen
- Medical School of Southeast University, Nanjing, China
| | - Fu-Chao Yu
- Department of Cardiology, Zhongda Hospital, Southeast University, Nanjing, China
| | - Tao Wang
- Medical School of Southeast University, Nanjing, China
| | - Sheng-Nan Li
- Medical School of Southeast University, Nanjing, China
| | - Qin Wei
- Department of Cardiology, Zhongda Hospital, Southeast University, Nanjing, China
| | - Jia-Yi Tong
- Department of Cardiology, Zhongda Hospital, Southeast University, Nanjing, China
- *Correspondence: Jia-Yi Tong
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Wang T, Xiao Y, Zhang J, Jing F, Zeng G. Dynamic regulation of HIF-1 signaling in the rhesus monkey heart after ischemic injury. BMC Cardiovasc Disord 2022; 22:407. [PMID: 36089604 PMCID: PMC9464399 DOI: 10.1186/s12872-022-02841-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 09/01/2022] [Indexed: 11/23/2022] Open
Abstract
Background Hypoxia inducible factor-1 (HIF-1) plays a key role in modulating post-infarct healing after myocardial ischemic injury through transcriptional regulation of hundreds of genes involved in diverse cardiac remodeling processes. However, the dynamic changes in HIF-1 target gene expression in the ischemic heart after myocardial infarction (MI) have not been well characterized. Methods We employed a rhesus monkey model of MI induced by left anterior descending artery ligation and examined the expression pattern of HIF-1 target genes in the ischemic heart at 1, 7, and 28 days after injury by bulk RNA-sequencing analysis. Results Myocardial transcriptomic analysis demonstrated a temporal-specific regulation of genes associated with the inflammatory response, cell proliferation, fibrosis and mitochondrial metabolism during the pathological progression of MI. HIF-1 target genes involved in processes related to glycolysis, angiogenesis, and extracellular matrix (ECM) remodeling also exhibited distinct expression patterns during MI progression. Copper concentrations were gradually decreased in the heart after ischemic injury, which was positively correlated with the expression of HIF-1-mediated angiogenic and glycolytic genes but negatively correlated with the expression of HIF-1-mediated ECM remodeling genes. Moreover, genes related to intracellular copper trafficking and storage were suppressed along with the loss of myocardial copper in the ischemic heart. Conclusions This study demonstrated a dynamic, functional-specific regulation of HIF-1 target gene expression during the progression of MI. The fine-tuning of HIF-1 signaling in the ischemic heart may be relate to the alteration in myocardial copper homeostasis. These findings provide transcriptomic insights into the distinct roles of HIF-1 signaling in the heart after ischemic injury, which will help determine the beneficial cutoff point for HIF-1 targeted therapy in ischemic heart diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s12872-022-02841-0.
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18
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Jo W, Kim M, Oh J, Kim CS, Park C, Yoon S, Lee C, Kim S, Nam D, Park J. MicroRNA-29 Ameliorates Fibro-Inflammation and Insulin Resistance in HIF1α-Deficient Obese Adipose Tissue by Inhibiting Endotrophin Generation. Diabetes 2022; 71:1746-1762. [PMID: 35167651 DOI: 10.2337/db21-0801] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 02/09/2022] [Indexed: 11/13/2022]
Abstract
Dysregulation of extracellular matrix proteins in obese adipose tissue (AT) induces systemic insulin resistance. The metabolic roles of type VI collagen and its cleavage peptide endotrophin in obese AT are well established. However, the mechanisms regulating endotrophin generation remain elusive. Herein, we identified that several endotrophin-containing peptides (pre-endotrophins) were generated from the COL6A3 chain in a stepwise manner for the efficient production of mature endotrophin, partly through the action of hypoxia-induced matrix metalloproteinases (MMPs), including MMP2, MMP9, and MMP16. Hypoxia is an upstream regulator of COL6A3 expression and the proteolytic processing that regulates endotrophin generation. Hypoxia-inducible factor 1α (HIF1α) and the hypoxia-associated suppression of microRNA-29 (miR-29) cooperatively control the levels of COL6A3 and MMPs, which are responsible for endotrophin generation in hypoxic ATs. Adipocyte-specific Hif1α knock-out (APN-HIF1αKO) mice fed a chronic high-fat diet exhibited the significant amelioration of both local fibro-inflammation in AT and systemic insulin resistance compared with their control littermates, partly through the inhibition of endotrophin generation. Strikingly, adenovirus-mediated miR-29 overexpression in the ATs of APN-HIF1αKO mice in obesity significantly decreased endotrophin levels, suggesting that miR-29, combined with HIF1α inhibition in AT, could be a promising therapeutic strategy for treating obesity and related metabolic diseases.
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Invited Commentary: Prolyl Hydroxylase Inhibitors for Cardioprotection: A Cautiously Optimistic Outlook. J Am Coll Surg 2022; 235:254-256. [PMID: 35839399 DOI: 10.1097/xcs.0000000000000266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Intermittent Hypoxia-Induced Cardiomyocyte Death Is Mediated by HIF-1 Dependent MAM Disruption. Antioxidants (Basel) 2022; 11:antiox11081462. [PMID: 36009181 PMCID: PMC9405320 DOI: 10.3390/antiox11081462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 12/04/2022] Open
Abstract
Rationale: Intermittent hypoxia (IH) is one of the main features of sleep-disordered breathing (SDB). Recent findings indicate that hypoxia inducible factor-1 (HIF-1) promotes cardiomyocytes apoptosis during chronic IH, but the mechanisms involved remain to be elucidated. Here, we hypothesize that IH-induced ER stress is associated with mitochondria-associated ER membrane (MAM) alteration and mitochondrial dysfunction, through HIF-1 activation. Methods: Right atrial appendage biopsies from patients with and without SDB were used to determine HIF-1α, Grp78 and CHOP expressions. Wild-type and HIF-1α+/− mice were exposed to normoxia (N) or IH (21–5% O2, 60 cycles/h, 8 h/day) for 21 days. Expressions of HIF-1α, Grp78 and CHOP, and apoptosis, were measured by Western blot and immunochemistry. In isolated cardiomyocytes, we examined structural integrity of MAM by proximity ligation assay and their function by measuring ER-to-mitochondria Ca2+ transfer by confocal microscopy. Finally, we measured mitochondrial respiration using oxygraphy and calcium retention capacity (CRC) by spectrofluorometry. MAM structure was also investigated in H9C2 cells incubated with 1 mM CoCl2, a potent HIF-1α inducer. Results: In human atrial biopsies and mice, IH induced HIF-1 activation, ER stress and apoptosis. IH disrupted MAM, altered Ca2+ homeostasis, mitochondrial respiration and CRC. Importantly, IH had no effect in HIF-1α+/− mice. Similar to what observed under IH, HIF-1α overexpression was associated with MAM alteration in H9C2. Conclusion: IH-induced ER stress, MAM alterations and mitochondrial dysfunction were mediated by HIF-1; all these intermediate mechanisms ultimately inducing cardiomyocyte apoptosis. This suggests that HIF-1 modulation might limit the deleterious cardiac effects of SDB.
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21
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Hypoxia signaling in human health and diseases: implications and prospects for therapeutics. Signal Transduct Target Ther 2022; 7:218. [PMID: 35798726 PMCID: PMC9261907 DOI: 10.1038/s41392-022-01080-1] [Citation(s) in RCA: 90] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 06/17/2022] [Accepted: 06/23/2022] [Indexed: 02/07/2023] Open
Abstract
Molecular oxygen (O2) is essential for most biological reactions in mammalian cells. When the intracellular oxygen content decreases, it is called hypoxia. The process of hypoxia is linked to several biological processes, including pathogenic microbe infection, metabolic adaptation, cancer, acute and chronic diseases, and other stress responses. The mechanism underlying cells respond to oxygen changes to mediate subsequent signal response is the central question during hypoxia. Hypoxia-inducible factors (HIFs) sense hypoxia to regulate the expressions of a series of downstream genes expression, which participate in multiple processes including cell metabolism, cell growth/death, cell proliferation, glycolysis, immune response, microbe infection, tumorigenesis, and metastasis. Importantly, hypoxia signaling also interacts with other cellular pathways, such as phosphoinositide 3-kinase (PI3K)-mammalian target of rapamycin (mTOR) signaling, nuclear factor kappa-B (NF-κB) pathway, extracellular signal-regulated kinases (ERK) signaling, and endoplasmic reticulum (ER) stress. This paper systematically reviews the mechanisms of hypoxia signaling activation, the control of HIF signaling, and the function of HIF signaling in human health and diseases. In addition, the therapeutic targets involved in HIF signaling to balance health and diseases are summarized and highlighted, which would provide novel strategies for the design and development of therapeutic drugs.
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Changes in Mitochondria-Related Gene Expression upon Acupuncture at LR3 in the D-Galactosamine-Induced Liver Damage Rat Model. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:3294273. [PMID: 35928244 PMCID: PMC9345726 DOI: 10.1155/2022/3294273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 11/17/2022]
Abstract
Hepatic diseases, such as hepatonecrosis, hepatitis, and hepatocirrhosis, are associated with mitochondrial dysfunction and increased reactive oxygen species generation and inflammation, ultimately leading to liver failure. In this study, we examined if acupuncture at LR3 can affect mitochondria-related gene expression in a liver damage model of experimentally induced acute liver failure (ALF). ALF was induced by the intraperitoneal injection of D-galactosamine (D-GalN) in experimental rats, who then received either sham (ALF), manual acupuncture (MA), electroacupuncture (EA), or silymarin (PC, positive control) treatment. Liver tissues were extracted from experimental and untreated control rats for histopathological analysis and expression profiling of genes involved in mitochondrial function. Of the 168 mitochondria-related genes profiled, two genes belonging to the solute-carrier transporter family (Slc25a15 and Slc25a25) and Ndufb7 were upregulated. Gamma-glutamylcysteine synthetase was more downregulated in MA than ALF. Furthermore, MA reversed D-GalN-induced inflammatory cell infiltration, destruction of hepatic cell plates, and increase in the levels of the proinflammatory cytokine TNF-α. MA at LR3 can reduce the risk of D-GalN-induced ALF by inducing the expression of metabolic and inflammation-related genes and regulating proinflammatory factor production in hepatic mitochondria.
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Horikawa T, Hiramoto K, Tanaka S, Ooi K. Skin dryness induced in the KK-Ay/TaJcl type 2 diabetes mouse model deteriorates following dapagliflozin administration. Biol Pharm Bull 2022; 45:934-939. [PMID: 35584962 DOI: 10.1248/bpb.b22-00241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Various diabetic drugs have been developed as the number of patients with type 2 diabetes has increased. Sodium-glucose cotransporter (SGLT)-2 inhibitors have been developed as novel therapeutic agents. However, SGLT-2 inhibitors cause skin dryness. The mechanism through which SGLT-2 inhibitors cause skin dryness is unknown. The purpose of this study was to investigate the mechanism through which dapagliflozin, a SGLT-2 inhibitor, induces skin dryness. Specific pathogen-free KK-Ay/TaJcl (type 2 diabetes model) mice were orally administered with SGLT-2 inhibitor (dapagliflozin) daily for 4 weeks at a dose of 1 mg/kg/day. Skin dryness induced in KK-Ay/TaJcl mice became severe after dapagliflozin administration. Dapagliflozin treatment decreased collagen type I and hyaluronic acid levels in mice; additionally, it affected the TGF-β/hyaluronan synthase pathway, further reducing hyaluronic acid levels. The results indicate that the reduction in hyaluronic acid levels plays an important role in the occurrence of dry skin in diabetes.
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Affiliation(s)
- Tsuneki Horikawa
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science
| | - Keiichi Hiramoto
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science
| | - Shota Tanaka
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science
| | - Kazuya Ooi
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science
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Cardio-onco-metabolism: metabolic remodelling in cardiovascular disease and cancer. Nat Rev Cardiol 2022; 19:414-425. [PMID: 35440740 PMCID: PMC10112835 DOI: 10.1038/s41569-022-00698-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/17/2022] [Indexed: 02/07/2023]
Abstract
Cardiovascular disease and cancer are the two leading causes of morbidity and mortality in the world. The emerging field of cardio-oncology has revealed that these seemingly disparate disease processes are intertwined, owing to the cardiovascular sequelae of anticancer therapies, shared risk factors that predispose individuals to both cardiovascular disease and cancer, as well the possible potentiation of cancer growth by cardiac dysfunction. As a result, interest has increased in understanding the fundamental biological mechanisms that are central to the relationship between cardiovascular disease and cancer. Metabolism, appropriate regulation of energy, energy substrate utilization, and macromolecular synthesis and breakdown are fundamental processes for cellular and organismal survival. In this Review, we explore the emerging data identifying metabolic dysregulation as an important theme in cardio-oncology. We discuss the growing recognition of metabolic reprogramming in cardiovascular disease and cancer and view the novel area of cardio-oncology through the lens of metabolism.
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Yu B, Wang X, Song Y, Xie G, Jiao S, Shi L, Cao X, Han X, Qu A. The role of hypoxia-inducible factors in cardiovascular diseases. Pharmacol Ther 2022; 238:108186. [PMID: 35413308 DOI: 10.1016/j.pharmthera.2022.108186] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 01/29/2022] [Accepted: 04/06/2022] [Indexed: 12/12/2022]
Abstract
Cardiovascular diseases are the leading cause of death worldwide. During the development of cardiovascular diseases, hypoxia plays a crucial role. Hypoxia-inducible factors (HIFs) are the key transcription factors for adaptive hypoxic responses, which orchestrate the transcription of numerous genes involved in angiogenesis, erythropoiesis, glycolytic metabolism, inflammation, and so on. Recent studies have dissected the precise role of cell-specific HIFs in the pathogenesis of hypertension, atherosclerosis, aortic aneurysms, pulmonary arterial hypertension, and heart failure using tissue-specific HIF-knockout or -overexpressing animal models. More importantly, several compounds developed as HIF inhibitors or activators have been in clinical trials for the treatment of renal cancer or anemia; however, little is known on the therapeutic potential of these inhibitors for cardiovascular diseases. The purpose of this review is to summarize the recent advances on HIFs in the pathogenesis and pathophysiology of cardiovascular diseases and to provide evidence of potential clinical therapeutic targets.
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Affiliation(s)
- Baoqi Yu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China
| | - Xia Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China
| | - Yanting Song
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China; Department of Pathology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, PR China
| | - Guomin Xie
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China
| | - Shiyu Jiao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China
| | - Li Shi
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China
| | - Xuejie Cao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China
| | - Xinyao Han
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China
| | - Aijuan Qu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, PR China; Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing 100069, PR China.
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Liu T, Yan T, Jia X, Liu J, Ma R, Wang Y, Wang X, Liang Y, Xiao Y, Dong Y. Systematic exploration of the potential material basis and molecular mechanism of the Mongolian medicine Nutmeg-5 in improving cardiac remodeling after myocardial infarction. JOURNAL OF ETHNOPHARMACOLOGY 2022; 285:114847. [PMID: 34800647 DOI: 10.1016/j.jep.2021.114847] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 11/14/2021] [Accepted: 11/15/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Nutmeg-5, which consists of Myristica fragrans Houtt., Aucklandia lappa Decne., Inula helenium L., Fructus Choerospondiatis and Piper longum L., is an ancient and classic formula in traditional Mongolian medicine that is widely used in the treatment of ischemic heart disease. However, its material basis and pharmacological mechanisms remain to be fully elucidated. AIM OF THE STUDY The aim of this study was to explore the potential material basis and molecular mechanism of Nutmeg-5 in improving cardiac remodeling after myocardial infarction (MI). MATERIALS AND METHODS The constituents of Nutmeg-5 absorbed into the blood were identified by high-performance liquid chromatography-mass spectrometry (HPLC-MS/MS). A mouse MI model was induced in male Kunming mice by permanent ligation of the left anterior descending coronary artery (LDA) ligation. Echocardiography was performed to assess cardiac function. The protective effect of Nutmeg-5 and compound Danshen dripping pills as positive control medicine on post-MI cardiac remodeling was evaluated by tissue histology and determination of the serum protein levels of biomarkers of myocardial injury. RNA sequencing analysis of mouse left ventricle tissue was performed to explore the molecular mechanism of Nutmeg-5 in cardiac remodeling after MI. RESULTS A total of 27 constituents absorbed into blood were identified in rat plasma following gavage administration of Nutmeg-5 (0.54 g/kg) for 1 h. We found that ventricular remodeling after MI was significantly improved after Nutmeg-5 treatment in mice, which was demonstrated by decreased mortality, better cardiac function, decreased heart weight to body weight and heart weight to tibia length ratios, and attenuated cardiac fibrosis and myocardial injury. RNA sequencing revealed that the protective effect of Nutmeg-5 on cardiac remodeling after MI was associated with improved heart metabolism. Further study found that Nutmeg-5 treatment could preserve the ultrastructure of mitochondria and upregulate gene expression related to mitochondrial function and structure. HIF-1α (hypoxia inducible factor 1, alpha subunit) expression was significantly upregulated in the hearts of MI mice and significantly suppressed in the hearts of Nutmeg-5-treated mice. In addition, Nutmeg-5 treatment significantly activated the peroxisome proliferator-activated receptor alpha signaling pathway, which was inhibited in the hearts of MI mice. CONCLUSIONS Nutmeg-5 attenuates cardiac remodeling after MI by improving heart metabolism and preserving mitochondrial dysfunction by inhibiting HIF-1α expression in the mouse heart after MI.
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Affiliation(s)
- Tianlong Liu
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010059, PR China
| | - Tingting Yan
- Department of Natural Medicinal Chemistry, College of Pharmacy, Inner Mongolia Medical University, Hohhot, 010110, PR China; Engineering Technology Research Center of Pharmacodynamic Substance and Quality Control of Mongolian Medicine in Inner Mongolia, Inner Mongolia Medical University, Hohhot, 010110, PR China
| | - Xin Jia
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010059, PR China; Department of Natural Medicinal Chemistry, College of Pharmacy, Inner Mongolia Medical University, Hohhot, 010110, PR China; Engineering Technology Research Center of Pharmacodynamic Substance and Quality Control of Mongolian Medicine in Inner Mongolia, Inner Mongolia Medical University, Hohhot, 010110, PR China
| | - Jing Liu
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010059, PR China
| | - Ruilian Ma
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010059, PR China
| | - Yi Wang
- Department of Pharmacy, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010059, PR China
| | - Xianjue Wang
- Clinical Medical Research Center of the Affiliated Hospital, Inner Mongolia Medical University, Inner Mongolia Key Laboratory of Medical Cell Biology, Hohhot, 010050, Inner Mongolia, PR China
| | - Yabin Liang
- Clinical Medical Research Center of the Affiliated Hospital, Inner Mongolia Medical University, Inner Mongolia Key Laboratory of Medical Cell Biology, Hohhot, 010050, Inner Mongolia, PR China
| | - Yunfeng Xiao
- Engineering Technology Research Center of Pharmacodynamic Substance and Quality Control of Mongolian Medicine in Inner Mongolia, Inner Mongolia Medical University, Hohhot, 010110, PR China; Center for New Drug Safety Evaluation and Research, Inner Mongolia Medical University, Hohhot, China
| | - Yu Dong
- Department of Natural Medicinal Chemistry, College of Pharmacy, Inner Mongolia Medical University, Hohhot, 010110, PR China; Engineering Technology Research Center of Pharmacodynamic Substance and Quality Control of Mongolian Medicine in Inner Mongolia, Inner Mongolia Medical University, Hohhot, 010110, PR China.
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Kaelin WG. THE JEREMIAH METZGER LECTURE:VON HIPPEL-LINDAU DISEASE: INSIGHTS INTO OXYGEN SENSING, CANCER AND DRUGGING THE UNDRUGGABLE. TRANSACTIONS OF THE AMERICAN CLINICAL AND CLIMATOLOGICAL ASSOCIATION 2022; 132:170-181. [PMID: 36196173 PMCID: PMC9480541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Germline VHL mutations predispose to hemangioblastomas of the retina, cerebellum, and spinal cord; clear cell renal cell carcinomas (ccRCCs); and paragangliomas. Consistent with the Knudson two-hit model, somatic biallelic VHL mutations are common in sporadic ccRCCs. The VHL gene product nucleates an ubiquitin ligase that targets the alpha subunits of the heterodimeric transcription factor HIF (hypoxia-inducible factor) for proteasomal degradation when oxygen is plentiful. The recognition of HIF↑ by pVHL requires that HIF↑ be hydroxylated on one (or both) of two conserved prolyl residues by the oxygen-dependent EglN (also called PHD) prolyl hydroxylases. HIF↑, bound to HIF↓ (also called ARNT), transcriptionally activates genes that promote adaptation to hypoxia such as VEGF and EPO. Deregulation of HIF, and particularly HIF2, drives pVHL-defective tumorigenesis. EglN inhibitors are being developed for the treatment of anemia and ischemic diseases, whereas HIF2 inhibitors are being developed for the treatment of pVHL-defective tumors. The thalidomide-like drugs ("IMiDs") bind to cereblon, which is the substrate recognition subunit of another ubiquitin ligase that loosely resembles the pVHL ubiquitin ligase. The IMiDs kill multiple myeloma cells by reprogramming the cereblon ligase to earmark the transcription factors IKZF1 and IKZF3 for destruction. This discovery has galvanized interest in developing drugs that degrade otherwise undruggable proteins.
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Requena-Ibáñez JA, Santos-Gallego CG, Rodriguez-Cordero A, Zafar MU, Badimon JJ. Prolyl Hydroxylase Inhibitors: a New Opportunity in Renal and Myocardial Protection. Cardiovasc Drugs Ther 2021; 36:1187-1196. [PMID: 34533692 DOI: 10.1007/s10557-021-07257-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/02/2021] [Indexed: 12/17/2022]
Abstract
Hypoxia, via the activity of hypoxia-inducible factors (HIFs), plays a crucial role in fibrosis, inflammation, and oxidative injury, processes which are associated with progression of cardiovascular and kidney diseases. HIFs are key transcription heterodimers consisting of regulatory α-subunits (HIF-1α, HIF-2α, HIF-3α) and a constitutive β-subunit (HIF-β). The stability of HIFs is regulated by the prolyl hydroxylases (PHDs). Specific PHD inhibitors (PHD-i) are being investigated as a therapeutic approach to modulate the cellular signaling pathways and harness the native protective adaptive responses to hypoxia. Selective inhibition of PHD leads to the stabilization of the HIFs, which is the transcriptional gatekeeper of a multitude of genes involved in angiogenesis, energy metabolism, apoptosis, inflammation, and fibrosis. PHD-i downregulate hepcidin, improve iron absorption, and increase the endogenous production of erythropoietin. Furthermore, this pharmacological group has also been proven to ameliorate ischemic injuries in several organs, opening a new and promising field in cardiovascular research.. In this review, we present the basic and clinical potential of PHD-i treatment in different scenarios, such as ischemic heart disease, cardiac hypertrophy and heart failure, and their interplay with other pharmacological agents with proven cardiovascular benefits, such as sodium-glucose cotransporter 2 (SGLT2) inhibitors.
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Affiliation(s)
- Juan Antonio Requena-Ibáñez
- Atherothrombosis Research Unit, Icahn School of Medicine At Mount Sinai, One Gustave L. Levy Pl, New York, NY, 10029-0310, USA.,Mount Sinai Heart, New York, NY, USA
| | - Carlos G Santos-Gallego
- Atherothrombosis Research Unit, Icahn School of Medicine At Mount Sinai, One Gustave L. Levy Pl, New York, NY, 10029-0310, USA.,Mount Sinai Heart, New York, NY, USA
| | - Anderly Rodriguez-Cordero
- Atherothrombosis Research Unit, Icahn School of Medicine At Mount Sinai, One Gustave L. Levy Pl, New York, NY, 10029-0310, USA.,Mount Sinai Heart, New York, NY, USA
| | - M Urooj Zafar
- Atherothrombosis Research Unit, Icahn School of Medicine At Mount Sinai, One Gustave L. Levy Pl, New York, NY, 10029-0310, USA.,Mount Sinai Heart, New York, NY, USA
| | - Juan José Badimon
- Atherothrombosis Research Unit, Icahn School of Medicine At Mount Sinai, One Gustave L. Levy Pl, New York, NY, 10029-0310, USA. .,Mount Sinai Heart, New York, NY, USA.
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Ikeda M, Ide T, Tadokoro T, Miyamoto HD, Ikeda S, Okabe K, Ishikita A, Sato M, Abe K, Furusawa S, Ishimaru K, Matsushima S, Tsutsui H. Excessive Hypoxia-Inducible Factor-1α Expression Induces Cardiac Rupture via p53-Dependent Apoptosis After Myocardial Infarction. J Am Heart Assoc 2021; 10:e020895. [PMID: 34472375 PMCID: PMC8649270 DOI: 10.1161/jaha.121.020895] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Background Apoptosis plays a pivotal role in cardiac rupture after myocardial infarction (MI), and p53 is a key molecule in apoptosis during cardiac rupture. Hif‐1α (hypoxia‐inducible factor‐1α), upregulated under hypoxia, is a known p53 inducer. However, the role of Hif‐1α in the regulatory mechanisms underlying p53 upregulation, apoptosis, and cardiac rupture after MI is unclear. Methods and Results We induced MI in mice by ligating the left anterior descending artery. Hif‐1α and p53 expressions were upregulated in the border zone at day 5 after MI, accompanied by apoptosis. In rat neonatal cardiomyocytes, treatment with cobalt chloride (500 μmol/L), which mimics severe hypoxia by inhibiting PHD (prolyl hydroxylase domain‐containing protein), increased Hif‐1α and p53, accompanied by myocyte death with caspase‐3 cleavage. Silencing Hif‐1α or p53 inhibited caspase‐3 cleavage, and completely prevented myocyte death under PHD inhibition. In cardiac‐specific Hif‐1α hetero‐knockout mice, expression of p53 and cleavage of caspase‐3 and poly (ADP‐ribose) polymerase were reduced, and apoptosis was suppressed on day 5. Furthermore, the cleavage of caspase‐8 and IL‐1β (interleukin‐1β) was also suppressed in hetero knockout mice, accompanied by reduced macrophage infiltration and matrix metalloproteinase/tissue inhibitor of metalloproteinase activation. Although there was no intergroup difference in infarct size, the cardiac rupture and survival rates were significantly improved in the hetero knockout mice until day 10 after MI. Conclusions Hif‐1α plays a pivotal role in apoptosis, inflammation, and cardiac rupture after MI, in which p53 is a critical mediator, and may be a prospective therapeutic target for preventing cardiac rupture.
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Affiliation(s)
- Masataka Ikeda
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Tomomi Ide
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Tomonori Tadokoro
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Hiroko Deguchi Miyamoto
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Soichiro Ikeda
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Kosuke Okabe
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Akihito Ishikita
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Midori Sato
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Ko Abe
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Shun Furusawa
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Kosei Ishimaru
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Shouji Matsushima
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan.,Division of Cardiovascular Medicine Research Institute of Angiocardiology Faculty of Medical Sciences Kyushu University Fukuoka Japan
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Knutson AK, Williams AL, Boisvert WA, Shohet RV. HIF in the heart: development, metabolism, ischemia, and atherosclerosis. J Clin Invest 2021; 131:137557. [PMID: 34623330 DOI: 10.1172/jci137557] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The heart forms early in development and delivers oxygenated blood to the rest of the embryo. After birth, the heart requires kilograms of ATP each day to support contractility for the circulation. Cardiac metabolism is omnivorous, utilizing multiple substrates and metabolic pathways to produce this energy. Cardiac development, metabolic tuning, and the response to ischemia are all regulated in part by the hypoxia-inducible factors (HIFs), central components of essential signaling pathways that respond to hypoxia. Here we review the actions of HIF1, HIF2, and HIF3 in the heart, from their roles in development and metabolism to their activity in regeneration and preconditioning strategies. We also discuss recent work on the role of HIFs in atherosclerosis, the precipitating cause of myocardial ischemia and the leading cause of death in the developed world.
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31
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Lucero García Rojas EY, Villanueva C, Bond RA. Hypoxia Inducible Factors as Central Players in the Pathogenesis and Pathophysiology of Cardiovascular Diseases. Front Cardiovasc Med 2021; 8:709509. [PMID: 34447792 PMCID: PMC8382733 DOI: 10.3389/fcvm.2021.709509] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 07/09/2021] [Indexed: 01/01/2023] Open
Abstract
Cardiovascular (CV) diseases are the major cause of death in industrialized countries. The main function of the CV system is to deliver nutrients and oxygen to all tissues. During most CV pathologies, oxygen and nutrient delivery is decreased or completely halted. Several mechanisms, including increased oxygen transport and delivery, as well as increased blood flow are triggered to compensate for the hypoxic state. If the compensatory mechanisms fail to sufficiently correct the hypoxia, irreversible damage can occur. Thus, hypoxia plays a central role in the pathogenesis and pathophysiology of CV diseases. Hypoxia inducible factors (HIFs) orchestrate the gene transcription for hundreds of proteins involved in erythropoiesis, glucose transport, angiogenesis, glycolytic metabolism, reactive oxygen species (ROS) handling, cell proliferation and survival, among others. The overall regulation of the expression of HIF-dependent genes depends on the severity, duration, and location of hypoxia. In the present review, common CV diseases were selected to illustrate that HIFs, and proteins derived directly or indirectly from their stabilization and activation, are related to the development and perpetuation of hypoxia in these pathologies. We further classify CV diseases into acute and chronic hypoxic states to better understand the temporal relevance of HIFs in the pathogenesis, disease progression and clinical outcomes of these diseases. We conclude that HIFs and their derived factors are fundamental in the genesis and progression of CV diseases. Understanding these mechanisms will lead to more effective treatment strategies leading to reduced morbidity and mortality.
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Affiliation(s)
| | - Cleva Villanueva
- Instituto Politecnico Nacional, Escuela Superior de Medicina, Mexico City, Mexico
| | - Richard A Bond
- Department of Pharmacology and Pharmaceutical Sciences, University of Houston, Houston, TX, United States
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32
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Kharrati-Koopaee H, Ebrahimie E, Dadpasand M, Niazi A, Tian R, Esmailizadeh A. Gene network analysis to determine the effect of hypoxia-associated genes on brain damages and tumorigenesis using an avian model. J Genet Eng Biotechnol 2021; 19:100. [PMID: 34236536 PMCID: PMC8266987 DOI: 10.1186/s43141-021-00184-5] [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: 01/15/2021] [Accepted: 05/21/2021] [Indexed: 01/17/2023]
Abstract
BACKGROUND Hypoxia refers to the condition of low oxygen pressure in the atmosphere and characterization of response to hypoxia as a biological complex puzzle, is challenging. Previously, we carried out a comparative genomic study by whole genome resequencing of highland and lowland Iranian native chickens to identify genomic variants associated with hypoxia conditions. Based on our previous findings, we used chicken as a model and the identified hypoxia-associated genes were converted to human's orthologs genes to construct the informative gene network. The main goal of this study was to visualize the features of diseases due to hypoxia-associated genes by gene network analysis. RESULTS It was found that hypoxia-associated genes contained several gene networks of disorders such as Parkinson, Alzheimer, cardiomyopathy, drug toxicity, and cancers. We found that biological pathways are involved in mitochondrion dysfunctions including peroxynitrous acid production denoted in brain injuries. Lewy body and neuromelanin were reported as key symptoms in Parkinson disease. Furthermore, calmodulin, and amyloid precursor protein were detected as leader proteins in Alzheimer's diseases. Dexamethasone was reported as the candidate toxic drug under the hypoxia condition that implicates diabetes, osteoporosis, and neurotoxicity. Our results suggested DNA damages caused by the high doses of UV radiation in high-altitude conditions, were associated with breast cancer, ovarian cancer, and colorectal cancer. CONCLUSIONS Our results showed that hypoxia-associated genes were enriched in several gene networks of disorders including Parkinson, Alzheimer, cardiomyopathy, drug toxicity, and different types of cancers. Furthermore, we suggested, UV radiation and low oxygen conditions in high-altitude regions may be responsible for the variety of human diseases.
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Affiliation(s)
- Hamed Kharrati-Koopaee
- Institute of Biotechnology, Shiraz University, Shiraz, Iran.
- Department of Animal Science, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Esmaeil Ebrahimie
- Institute of Biotechnology, Shiraz University, Shiraz, Iran
- School of Animal and Veterinary Sciences, The University of Adelaide, Adelaide, Australia
- Genomics Research Platform, School of Life Sciences, La Trobe University, Melbourne, Victoria, Australia
| | - Mohammad Dadpasand
- Department of Animal Science, School of Agriculture, Shiraz University, Shiraz, Iran.
| | - Ali Niazi
- Institute of Biotechnology, Shiraz University, Shiraz, Iran
| | - Rugang Tian
- Institute of Animal Husbandry, Inner Mongolia Academy of Agricultural & Animal Husbandry Sciences, Hohhot, 010031, China
| | - Ali Esmailizadeh
- Department of Animal Science, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, Iran.
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Williams AL, Walton CB, Pinell B, Khadka VS, Dunn B, Lee K, Anagaran MCT, Avelar A, Shohet RV. Ischemic heart injury leads to HIF1-dependent differential splicing of CaMK2γ. Sci Rep 2021; 11:13116. [PMID: 34162925 PMCID: PMC8222303 DOI: 10.1038/s41598-021-92426-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 05/19/2021] [Indexed: 12/04/2022] Open
Abstract
Ischemic heart disease is a leading cause of heart failure and hypoxia inducible factor 1 (HIF1) is a key transcription factor in the response to hypoxic injury. Our lab has developed a mouse model in which a mutated, oxygen-stable form of HIF1α (HIF-PPN) can be inducibly expressed in cardiomyocytes. We observed rapid cardiac dilation and loss of contractility in these mice due to lower expression of excitation-contraction coupling genes and reduced calcium flux. As alternative splicing plays an underappreciated role in transcriptional regulation, we used RNA sequencing to search for splicing changes in calcium-handling genes of HIF-PPN hearts and compared them to previous sequencing data from a model of myocardial infarction (MI) to select for transcripts that are modified in a pathological setting. We found overlap between genes differentially expressed in HIF-PPN and post-MI mice (54/131 genes upregulated in HIF-PPN hearts at 1 day and/or 3 days post-MI, and 45/78 downregulated), as well as changes in alternative splicing. Interestingly, calcium/calmodulin dependent protein kinase II, gamma (CAMK2G) was alternatively spliced in both settings, with variant 1 (v1) substantially decreased compared to variants 2 (v2) and 3 (v3). These findings were also replicated in vitro when cells were transfected with HIF-PPN or exposed to hypoxia. Further analysis of CAMK2γ protein abundance revealed only v1 was detectable and substantially decreased up to 7 days post-MI. Rbfox1, a splicing factor of CAMK2G, was also decreased in HIF-PPN and post-MI hearts. Subcellular fractionation showed CAMK2γ v1 was found in the nuclear and cytoplasmic fractions, and abundance decreased in both fractions post-MI. Chromatin immunoprecipitation analysis of HIF1 in post-MI hearts also demonstrated direct HIF1 binding to CAMK2G. CaMK2 is a key transducer of calcium signals in both physiological and pathological settings. The predominantly expressed isoform in the heart, CaMK2δ, has been extensively studied in cardiac injury, but the specific role of CaMK2γ is not well defined. Our data suggest that loss of CaMK2γ after MI is HIF1-dependent and may play an important role in the heart's calcium signaling and transcriptional response to hypoxia.
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Affiliation(s)
- Allison Lesher Williams
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo St. BSB 311, Honolulu, HI, 96813, USA
| | - Chad B Walton
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo St. BSB 311, Honolulu, HI, 96813, USA
| | - Blake Pinell
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo St. BSB 311, Honolulu, HI, 96813, USA
| | - Vedbar S Khadka
- Bioinformatics Core, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI, USA
| | - Brandyn Dunn
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo St. BSB 311, Honolulu, HI, 96813, USA
| | - Katie Lee
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo St. BSB 311, Honolulu, HI, 96813, USA
| | - M C Therese Anagaran
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo St. BSB 311, Honolulu, HI, 96813, USA
| | - Abigail Avelar
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo St. BSB 311, Honolulu, HI, 96813, USA
| | - Ralph V Shohet
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo St. BSB 311, Honolulu, HI, 96813, USA.
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Dobbin SJ, Petrie MC, Myles RC, Touyz RM, Lang NN. Cardiotoxic effects of angiogenesis inhibitors. Clin Sci (Lond) 2021; 135:71-100. [PMID: 33404052 PMCID: PMC7812690 DOI: 10.1042/cs20200305] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/07/2020] [Accepted: 12/10/2020] [Indexed: 02/06/2023]
Abstract
The development of new therapies for cancer has led to dramatic improvements in survivorship. Angiogenesis inhibitors represent one such advancement, revolutionising treatment for a wide range of malignancies. However, these drugs are associated with cardiovascular toxicities which can impact optimal cancer treatment in the short-term and may lead to increased morbidity and mortality in the longer term. Vascular endothelial growth factor inhibitors (VEGFIs) are associated with hypertension, left ventricular systolic dysfunction (LVSD) and heart failure as well as arterial and venous thromboembolism, QTc interval prolongation and arrhythmia. The mechanisms behind the development of VEGFI-associated LVSD and heart failure likely involve the combination of a number of myocardial insults. These include direct myocardial effects, as well as secondary toxicity via coronary or peripheral vascular damage. Cardiac toxicity may result from the 'on-target' effects of VEGF inhibition or 'off-target' effects resulting from inhibition of other tyrosine kinases. Similar mechanisms may be involved in the development of VEGFI-associated right ventricular (RV) dysfunction. Some VEGFIs can be associated with QTc interval prolongation and an increased risk of ventricular and atrial arrhythmia. Further pre-clinical and clinical studies and trials are needed to better understand the impact of VEGFI on the cardiovascular system. Once mechanisms are elucidated, therapies can be investigated in clinical trials and surveillance strategies for identifying VEGFI-associated cardiovascular complications can be developed.
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Affiliation(s)
- Stephen J.H. Dobbin
- BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow, United Kingdom, G12 8TA
| | - Mark C. Petrie
- BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow, United Kingdom, G12 8TA
| | - Rachel C. Myles
- BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow, United Kingdom, G12 8TA
| | - Rhian M. Touyz
- BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow, United Kingdom, G12 8TA
| | - Ninian N. Lang
- BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow, United Kingdom, G12 8TA
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Horikawa T, Hiramoto K, Goto K, Sekijima H, Ooi K. Differences in the mechanism of type 1 and type 2 diabetes-induced skin dryness by using model mice. Int J Med Sci 2021; 18:474-481. [PMID: 33390816 PMCID: PMC7757134 DOI: 10.7150/ijms.50764] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 11/03/2020] [Indexed: 12/20/2022] Open
Abstract
Diabetes induces dry skin that may cause infective diseases. In this study, we aimed to clarify the mechanism of diabetes-induced skin dryness in animal models. We also examined the difference in the mechanism of skin dryness in type 1 and type 2 diabetes. We examined skin dryness in type 1 diabetes model mice (streptozotocin [STZ] induction), non-obesity type 2 diabetes model mice (newborn STZ injection), and obesity type 2 diabetes model mice (KK-Ay/TaJcl). An increase in transepidermal water loss was observed in the type 1 diabetes model mice, and reduced skin hydration was observed in the type 2 diabetes model mice. In the type 1 diabetes model mice, an increase in advanced glycation end products and matrix metalloproteinase-9 led to a decline in collagen IV level, inducing skin dryness. In the obesity type 2 diabetes model mice, an increase in the release of histamine and hyaluronidase by mast cells resulted in a decline in the level of hyaluronic acid, inducing skin dryness. However, in the non-obesity type 2 diabetes model mice, the main factors of skin dryness could not be clearly identified. Nevertheless, inflammatory cytokine levels increased. We hypothesize that inflammatory cytokines disrupt the collagen of the skin. Diabetes caused skin dryness in each mouse model, and the mechanism of skin dryness differed by diabetes type.
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Affiliation(s)
- Tsuneki Horikawa
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka, Japan
| | - Keiichi Hiramoto
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka, Japan
| | - Kenji Goto
- Research Laboratories, Nichinichi Pharmaceutical Co., Ltd., Iga, Japan
| | - Hidehisa Sekijima
- Department of Forensic Medicine and Sciences, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Kazuya Ooi
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka, Japan
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Yap DYH, McMahon LP, Hao CM, Hu N, Okada H, Suzuki Y, Kim SG, Lim SK, Vareesangthip K, Hung CC, Nangaku M. Recommendations by the Asian Pacific society of nephrology (APSN) on the appropriate use of HIF-PH inhibitors. Nephrology (Carlton) 2020; 26:105-118. [PMID: 33222343 PMCID: PMC7898910 DOI: 10.1111/nep.13835] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 11/18/2020] [Indexed: 12/13/2022]
Abstract
Renal anaemia is a common and important complication in patients with chronic kidney disease (CKD). The current standard‐of‐care treatment for renal anaemia in CKD patients involves ensuring adequate iron stores and administration of erythropoietin stimulating agents (ESA). Hypoxia inducible factor (HIF) is a key transcription factor primarily involved in the cellular regulation and efficiency of oxygen delivery. Manipulation of the HIF pathway by the use of HIF‐prolyl hydroxylase inhibitors (HIF‐PHI) has emerged as a novel approach for renal anaemia management. Despite it being approved for clinical use in various Asia‐Pacific countries, its novelty mandates the need for nephrologists and clinicians generally in the region to well understand potential benefits and harms when prescribing this class of drug. The Asian Pacific society of nephrology HIF‐PHI Recommendation Committee, formed by a panel of 11 nephrologists from the Asia‐Pacific region who have clinical experience or have been investigators in HIF‐PHI studies, reviewed and deliberated on the clinical and preclinical data concerning HIF‐PHI. This recommendation summarizes the consensus views of the committee regarding the use of HIF‐PHI, taking into account both available data and expert opinion in areas where evidence remains scarce. The Asian Pacific society of nephrology HIF‐PHI Recommendation Committee summarizes the consensus views of the committee regarding the use of HIF‐PHI, taking into account both available data and expert opinion in areas where evidence remains scarce.
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Affiliation(s)
- Desmond Y H Yap
- Division of Nephrology, Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Lawrence P McMahon
- Department of Renal and Obstetric Medicine, Eastern Health Clinical School, Monash University, Melbourne, Australia
| | - Chuan-Ming Hao
- Divison of Nephrology, Huashan Hospital, Fudan University, Shanghai, P. R. China
| | - Nan Hu
- Renal Division, Department of Medicine, Peking University First Hospital, Institute of Nephrology, Peking University, Beijing, P. R. China
| | - Hirokazu Okada
- Department of Nephrology, Saitama Medical University, Irumagun, Saitama, Japan
| | - Yusuke Suzuki
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Sung Gyun Kim
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Seoul, South Korea
| | - Soo Kun Lim
- Division of Nephrology, Department of Medicine, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Kriengsak Vareesangthip
- Division of Nephrology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chi-Chih Hung
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Tokyo, Japan
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Smith KA, Waypa GB, Dudley VJ, Budinger GRS, Abdala-Valencia H, Bartom E, Schumacker PT. Role of Hypoxia-Inducible Factors in Regulating Right Ventricular Function and Remodeling during Chronic Hypoxia-induced Pulmonary Hypertension. Am J Respir Cell Mol Biol 2020; 63:652-664. [PMID: 32692928 DOI: 10.1165/rcmb.2020-0023oc] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Pulmonary hypertension (PH) and right ventricular (RV) hypertrophy frequently develop in patients with hypoxic lung disease. Chronic alveolar hypoxia (CH) promotes sustained pulmonary vasoconstriction and pulmonary artery (PA) remodeling by acting on lung cells, resulting in the development of PH. RV hypertrophy develops in response to PH, but coronary arterial hypoxemia in CH may influence that response by activating HIF-1α (hypoxia-inducible factor 1α) and/or HIF-2α in cardiomyocytes. Indeed, other studies show that the attenuation of PH in CH fails to prevent RV remodeling, suggesting that PH-independent factors regulate RV hypertrophy. Therefore, we examined the role of HIFs in RV remodeling in CH-induced PH. We deleted HIF-1α and/or HIF-2α in hearts of adult mice that were then housed under normoxia or CH (10% O2) for 4 weeks. RNA-sequencing analysis of the RV revealed that HIF-1α and HIF-2α regulate the transcription of largely distinct gene sets during CH. RV systolic pressure increased, and RV hypertrophy developed in CH. The deletion of HIF-1α in smooth muscle attenuated the CH-induced increases in RV systolic pressure but did not decrease hypertrophy. The deletion of HIF-1α in cardiomyocytes amplified RV remodeling; this was abrogated by the simultaneous loss of HIF-2α. CH decreased stroke volume and cardiac output in wild-type but not in HIF-1α-deficient hearts, suggesting that CH may cause cardiac dysfunction via HIF-dependent signaling. Collectively, these data reveal that HIF-1 and HIF-2 act together in RV cardiomyocytes to orchestrate RV remodeling in CH, with HIF-1 playing a protective role rather than driving hypertrophy.
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Affiliation(s)
| | | | | | | | | | - Elizabeth Bartom
- Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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Rajagopalan V, Gorecki M, Costello C, Schultz E, Zhang Y, Gerdes AM. Cardioprotection by triiodothyronine following caloric restriction via long noncoding RNAs. Biomed Pharmacother 2020; 131:110657. [DOI: 10.1016/j.biopha.2020.110657] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/10/2020] [Accepted: 08/17/2020] [Indexed: 12/25/2022] Open
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Packer M. Mutual Antagonism of Hypoxia-Inducible Factor Isoforms in Cardiac, Vascular, and Renal Disorders. ACTA ACUST UNITED AC 2020; 5:961-968. [PMID: 33015417 PMCID: PMC7524787 DOI: 10.1016/j.jacbts.2020.05.006] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/07/2020] [Accepted: 05/07/2020] [Indexed: 02/06/2023]
Abstract
Hypoxia-inducible factor (HIF)-1α and HIF-2α promote cellular adaptation to acute hypoxia, but during prolonged activation, these isoforms exert mutually antagonistic effects on the redox state and on proinflammatory pathways. Sustained HIF-1α signaling can increase oxidative stress, inflammation, and fibrosis, actions that are opposed by HIF-2α. Imbalances in the interplay between HIF-1α and HIF-2α may contribute to the progression of chronic heart failure, atherosclerotic and hypertensive vascular disorders, and chronic kidney disease. These disorders are characterized by activation of HIF-1α and suppression of HIF-2α, which are potentially related to mitochondrial and peroxisomal dysfunction and suppression of the redox sensor, sirtuin-1. Hypoxia mimetics can potentiate HIF-1α and/or HIF-2α; ideally, such agents should act preferentially to promote HIF-2α while exerting little effect on or acting to suppress HIF-1α. Selective activation of HIF-2α can be achieved with drugs that: 1) inhibit isoform-selective prolyl hydroxylases (e.g., cobalt chloride and roxadustat); or 2) promote the actions of the redox sensor, sirtuin-1 (e.g., sodium-glucose cotransporter 2 inhibitors). Selective HIF-2α signaling through sirtuin-1 activation may explain the effect of sodium-glucose cotransporter 2 inhibitors to simultaneously promote erythrocytosis and ameliorate the development of cardiomyopathy and nephropathy.
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Affiliation(s)
- Milton Packer
- Baylor Heart and Vascular Institute, Baylor University Medical Center, Dallas, Texas.,Imperial College, London, United Kingdom
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Yurie H, Ikeguchi R, Aoyama T, Ito A, Tanaka M, Noguchi T, Oda H, Takeuchi H, Mitsuzawa S, Ando M, Yoshimoto K, Akieda S, Nakayama K, Matsuda S. Mechanism of Peripheral Nerve Regeneration Using a Bio 3D Conduit Derived from Normal Human Dermal Fibroblasts. J Reconstr Microsurg 2020; 37:357-364. [PMID: 32957155 DOI: 10.1055/s-0040-1716855] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND We previously reported the development of a scaffold-free Bio three-dimensional (3D) nerve conduit from normal human dermal fibroblasts (NHDFs). The aim of this study was to investigate the regenerative mechanism of peripheral nerve cells using a Bio 3D conduit in a rat sciatic nerve defect model. METHODS Bio 3D conduits composed of NHDFs were developed, and cell viability was evaluated using a LIVE/DEAD cell viability assay immediately before transplantation and 1-week post-surgery. Tracking analysis using PKH26-labeled NHDFs was performed to assess the distribution of NHDFs within the regenerated nerve and the differentiation of NHDFs into functional Schwann cells (SCs). RESULTS The assessment of the viability of cells within the Bio 3D conduit showed high cell viability both immediately before transplantation and 1-week post-surgery (88.56 ± 1.70 and 87.58 ± 9.11, respectively). A modified Masson's trichrome staining of the Bio 3D conduit revealed the formation of a prominent extracellular matrix (ECM) in between the cells. We observed, via tracking analysis, that the tube-like distribution of the NHDFs remained stable, the majority of the regenerated axons had penetrated this structure and PKH26-labeled cells were also positive for S-100. CONCLUSION Abundant ECM formation resulted in a stable tube-like structure of the Bio 3D conduit with high cell viability. NHDFs in the Bio 3D conduit have the potential to differentiate into SCs-like cells.
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Affiliation(s)
- Hirofumi Yurie
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Ryosuke Ikeguchi
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Tomoki Aoyama
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akira Ito
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Mai Tanaka
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takashi Noguchi
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Hiroki Oda
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Hisataka Takeuchi
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Sadaki Mitsuzawa
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Maki Ando
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Koichi Yoshimoto
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | | | - Koichi Nakayama
- Department of Regenerative Medicine and Biomedical Engineering Faculty of Medicine, Saga University, Saga, Japan
| | - Shuichi Matsuda
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Zhang Q, Cai S, Guo L, Zhao G. Propofol induces mitochondrial-associated protein LRPPRC and protects mitochondria against hypoxia in cardiac cells. PLoS One 2020; 15:e0238857. [PMID: 32898195 PMCID: PMC7478836 DOI: 10.1371/journal.pone.0238857] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 08/25/2020] [Indexed: 12/26/2022] Open
Abstract
Background Hypoxia-induced oxidative stress is one of the main mechanisms of myocardial injury, which frequently results in cardiomyocyte death and precipitates life-threatening heart failure. Propofol (2,6-diisopropylphenol), which is used to sedate patients during surgery, was shown to strongly affect the regulation of physiological processes, including hypoxia-induced oxidative stress. However, the exact mechanism is still unclear. Methods Expression of LRPPRC, SLIRP, and Bcl-2 after propofol treatment was measured by RT-qPCR and western blot analyses. The effects of propofol under hypoxia were determine by assessing mitochondrial homeostasis and mitochondrial function, including the ATP level and mitochondrial mass. Autophagy/mitophagy was measured by detecting the presence of LC3B, and autophagosomes were observed by transmission microscopy Results Propofol treatment inhibited cleaved caspase-9 and caspase-3, indicating its inhibitory roles in mitochondrial-related apoptosis. Propofol treatment also transcriptionally activated LRPPRC, a mitochondrial-associated protein that exerts multiple functions by maintaining mitochondrial homeostasis, in a manner dependent on the presence of hypoxia-induced factor (HIF)-1α transcriptional activity in H9C2 and primary rat cardiomyocytes. LRPPRC induced by propofol maintained the mitochondrial membrane potential (MMP) and promoted mitochondrial function, including ATP synthesis and transcriptional activity. Furthermore, LRPPRC induced by propofol contributes, at least partially, to the inhibition of apoptotic cell death induced by hypoxia. Conclusion Taken together, our results indicate that LRPPRC may have a protective antioxidant effect by maintaining mitochondrial homoeostasis induced by propofol and provide new insight into the protective mechanism of propofol against oxidative stress.
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Affiliation(s)
- Qianlu Zhang
- Department of Anesthesiology, The First Affiliated Hospital of the University of South China, Hengyang, Hunan Province, P.R. China
| | - Shiwei Cai
- Cardiovascular Surgery, The First Affiliated Hospital of the University of South China, Hengyang, Hunan Province, P.R. China
| | - Liping Guo
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People’s Hospital, Qingyuan, Guangdong Province, P.R. China
| | - Guojun Zhao
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People’s Hospital, Qingyuan, Guangdong Province, P.R. China
- * E-mail:
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Bourdier G, Détrait M, Bouyon S, Lemarié E, Brasseur S, Doutreleau S, Pépin J, Godin‐Ribuot D, Belaidi E, Arnaud C. Intermittent Hypoxia Triggers Early Cardiac Remodeling and Contractile Dysfunction in the Time-Course of Ischemic Cardiomyopathy in Rats. J Am Heart Assoc 2020; 9:e016369. [PMID: 32805159 PMCID: PMC7660805 DOI: 10.1161/jaha.120.016369] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Sleep-disordered breathing is associated with a poor prognosis (mortality) in patients with ischemic cardiomyopathy. The understanding of mechanisms linking intermittent hypoxia (IH), the key feature of sleep-disordered breathing, to ischemic cardiomyopathy progression is crucial for identifying specific actionable therapeutic targets. The aims of the present study were (1) to evaluate the impact of IH on the time course evolution of cardiac remodeling and contractile dysfunction in a rat model of ischemic cardiomyopathy; and (2) to determine the impact of IH on sympathetic activity, hypoxia inducible factor-1 activation, and endoplasmic reticulum stress in the time course of ischemic cardiomyopathy progression. METHODS AND RESULTS Ischemic cardiomyopathy was induced by a permanent ligature of the left coronary artery in male Wistar rats (rats with myocardial infarction). Rats with myocardial infarction were then exposed to either IH or normoxia for up to 12 weeks. Cardiac remodeling and function were analyzed by Sirius red and wheat germ agglutinin staining, ultrasonography, and cardiac catheterization. Sympathetic activity was evaluated by spectral analysis of blood pressure variability. Hypoxia-inducible factor-1α activation and burden of endoplasmic reticulum stress were characterized by Western blots. Long-term IH exposure precipitated cardiac remodeling (hypertrophy and interstitial fibrosis) and contractile dysfunction during the time course evolution of ischemic cardiomyopathy in rodents. Among associated mechanisms, we identified the early occurrence and persistence of sympathetic activation, associated with sustained hypoxia-inducible factor-1α expression and a delayed pro-apoptotic endoplasmic reticulum stress. CONCLUSIONS Our data provide the demonstration of the deleterious impact of IH on post-myocardial infarction remodeling and contractile dysfunction. Further studies are needed to evaluate whether targeting sympathetic nervous system or HIF-1 overactivities could limit these effects and improve management of coexisting ischemic cardiomyopathy and sleep-disordered breathing.
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Affiliation(s)
| | - Maximin Détrait
- Univ. Grenoble AlpesINSERMCHU Grenoble AlpesHP2GrenobleFrance
| | - Sophie Bouyon
- Univ. Grenoble AlpesINSERMCHU Grenoble AlpesHP2GrenobleFrance
| | - Emeline Lemarié
- Univ. Grenoble AlpesINSERMCHU Grenoble AlpesHP2GrenobleFrance
| | | | | | | | | | - Elise Belaidi
- Univ. Grenoble AlpesINSERMCHU Grenoble AlpesHP2GrenobleFrance
| | - Claire Arnaud
- Univ. Grenoble AlpesINSERMCHU Grenoble AlpesHP2GrenobleFrance
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Williams AL, Khadka VS, Anagaran MCT, Lee K, Avelar A, Deng Y, Shohet RV. miR-125 family regulates XIRP1 and FIH in response to myocardial infarction. Physiol Genomics 2020; 52:358-368. [PMID: 32716698 DOI: 10.1152/physiolgenomics.00041.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
MicroRNAs (miRNAs) are powerful regulators of protein expression. Many play important roles in cardiac development and disease. While several miRNAs and targets have been well characterized, the abundance of miRNAs and the numerous potential targets for each suggest that the vast majority of these interactions have yet to be described. The goal of this study was to characterize miRNA expression in the mouse heart after coronary artery ligation (LIG) and identify novel mRNA targets altered during the initial response to ischemic stress. We performed small RNA sequencing (RNA-Seq) of ischemic heart tissue 1 day and 3 days after ligation and identified 182 differentially expressed miRNAs. We then selected relevant mRNA targets from all potential targets by correlating miRNA and mRNA expression from a corresponding RNA-Seq data set. From this analysis we chose to focus, as proof of principle, on two miRNAs from the miR-125 family, miR-125a and miR-351, and two of their potential mRNA targets, Xin actin-binding repeat-containing protein 1 (XIRP1) and factor inhibiting hypoxia-inducible factor (FIH). We found miR-125a to be less abundant and XIRP1 more abundant after ligation. In contrast, the related murine miRNA miR-351 was substantially upregulated in response to ischemic injury, and FIH expression correspondingly decreased. Luciferase reporter assays confirmed direct interactions between these miRNAs and targets. In summary, we utilized a correlative analysis strategy combining miRNA and mRNA expression data to identify functional miRNA-mRNA relationships in the heart after ligation. These findings provide insight into the response to ischemic injury and suggest future therapeutic targets.
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Affiliation(s)
- Allison Lesher Williams
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii
| | - Vedbar S Khadka
- Bioinformatics Core, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii
| | - Ma C T Anagaran
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii
| | - Katie Lee
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii
| | - Abigail Avelar
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii
| | - Youping Deng
- Bioinformatics Core, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii
| | - Ralph V Shohet
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii
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Tocchetti CG, Ameri P, de Boer RA, D’Alessandra Y, Russo M, Sorriento D, Ciccarelli M, Kiss B, Bertrand L, Dawson D, Falcao-Pires I, Giacca M, Hamdani N, Linke WA, Mayr M, van der Velden J, Zacchigna S, Ghigo A, Hirsch E, Lyon AR, Görbe A, Ferdinandy P, Madonna R, Heymans S, Thum T. Cardiac dysfunction in cancer patients: beyond direct cardiomyocyte damage of anticancer drugs: novel cardio-oncology insights from the joint 2019 meeting of the ESC Working Groups of Myocardial Function and Cellular Biology of the Heart. Cardiovasc Res 2020; 116:1820-1834. [DOI: 10.1093/cvr/cvaa222] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/17/2020] [Accepted: 07/13/2020] [Indexed: 12/12/2022] Open
Abstract
Abstract
In western countries, cardiovascular (CV) disease and cancer are the leading causes of death in the ageing population. Recent epidemiological data suggest that cancer is more frequent in patients with prevalent or incident CV disease, in particular, heart failure (HF). Indeed, there is a tight link in terms of shared risk factors and mechanisms between HF and cancer. HF induced by anticancer therapies has been extensively studied, primarily focusing on the toxic effects that anti-tumour treatments exert on cardiomyocytes. In this Cardio-Oncology update, members of the ESC Working Groups of Myocardial Function and Cellular Biology of the Heart discuss novel evidence interconnecting cardiac dysfunction and cancer via pathways in which cardiomyocytes may be involved but are not central. In particular, the multiple roles of cardiac stromal cells (endothelial cells and fibroblasts) and inflammatory cells are highlighted. Also, the gut microbiota is depicted as a new player at the crossroads between HF and cancer. Finally, the role of non-coding RNAs in Cardio-Oncology is also addressed. All these insights are expected to fuel additional research efforts in the field of Cardio-Oncology.
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Affiliation(s)
- Carlo Gabriele Tocchetti
- Department of Translational Medical Sciences, Federico II University, via Pansini 5, 80131 Naples, Italy
- Interdepartmental Center of Clinical and Translational Sciences (CIRCET), Federico II University, Naples, Italy
| | - Pietro Ameri
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
- Department of Internal Medicine, University of Genova, Genova, Italy
| | - Rudolf A de Boer
- Department of Cardiology, University of Groningen, University Medical Center Groningen, AB31, PO Box 30.001, 9700 RB Groningen, The Netherlands
| | - Yuri D’Alessandra
- Immunology and Functional Genomics Unit, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Michele Russo
- Department of Translational Medical Sciences, Federico II University, via Pansini 5, 80131 Naples, Italy
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Torino, Italy
| | - Daniela Sorriento
- Department of Advanced Biomedical Sciences, Federico II University, Naples, Italy
| | - Michele Ciccarelli
- Department of Medicine Surgery and Odontology, University of Salerno, Salerno, Italy
| | - Bernadett Kiss
- Department of Pharmacology and Pharmacotherapy, Cardiometabolic Research Group and MTA-SE System Pharmacology Research Group, Semmelweis University, Budapest, Hungary
| | - Luc Bertrand
- IREC Institute, Pole of Cardiovascular Research, Université Catholique de Louvain, Brussels, Belgium
| | - Dana Dawson
- School of Medicine and Dentistry, University of Aberdeen, Aberdeen, UK
| | - Ines Falcao-Pires
- Unidade de Investigação e Desenvolvimento Cardiovascular, Departamento de Cirurgia e Fisiologia, Faculdade de Medicina, Universidade do Porto, Portugal
| | - Mauro Giacca
- Department of Medicine, Surgery and Health Sciences and Cardiovascular Department, Centre for Translational Cardiology, Azienda Sanitaria Universitaria Integrata Trieste, Trieste, Italy
- International Center for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
- King’s British Heart Foundation Centre, King’s College London, London, UK
| | - Nazha Hamdani
- Department of Molecular and Experimental Cardiology, Ruhr Universität Bochum, Bochum, Germany
- Department of Cardiology, St. Joseph Hospital, Ruhr University Bochum, Witten, Germany
| | | | - Manuel Mayr
- King’s British Heart Foundation Centre, King’s College London, London, UK
| | - Jolanda van der Velden
- Department of Physiology, Amsterdam UMC, Vrije Universiteit, Amsterdam Cardiovascular Sciences Institute, Amsterdam, The Netherlands
| | - Serena Zacchigna
- Department of Medicine, Surgery and Health Sciences and Cardiovascular Department, Centre for Translational Cardiology, Azienda Sanitaria Universitaria Integrata Trieste, Trieste, Italy
- International Center for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
| | - Alessandra Ghigo
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Torino, Italy
| | - Emilio Hirsch
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Torino, Italy
| | - Alexander R Lyon
- Cardio-Oncology Service, Royal Brompton Hospital, Imperial College London, London, UK
| | - Anikó Görbe
- Department of Pharmacology and Pharmacotherapy, Cardiometabolic Research Group and MTA-SE System Pharmacology Research Group, Semmelweis University, Budapest, Hungary
- Pharmahungary Group, Szeged, Hungary
| | - Péter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Cardiometabolic Research Group and MTA-SE System Pharmacology Research Group, Semmelweis University, Budapest, Hungary
- Pharmahungary Group, Szeged, Hungary
| | - Rosalinda Madonna
- Institute of Cardiology, University of Pisa, Pisa, Italy
- Center for Cardiovascular Biology and Atherosclerosis Research, McGovern School of Medicine, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Stephane Heymans
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Maastricht University, Maastricht, The Netherlands
- Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Thomas Thum
- Institute for Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, Hannover, Germany
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Riddell A, McBride M, Braun T, Nicklin SA, Cameron E, Loughrey CM, Martin TP. RUNX1: an emerging therapeutic target for cardiovascular disease. Cardiovasc Res 2020; 116:1410-1423. [PMID: 32154891 PMCID: PMC7314639 DOI: 10.1093/cvr/cvaa034] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/18/2019] [Accepted: 02/03/2020] [Indexed: 12/12/2022] Open
Abstract
Runt-related transcription factor-1 (RUNX1), also known as acute myeloid leukaemia 1 protein (AML1), is a member of the core-binding factor family of transcription factors which modulate cell proliferation, differentiation, and survival in multiple systems. It is a master-regulator transcription factor, which has been implicated in diverse signalling pathways and cellular mechanisms during normal development and disease. RUNX1 is best characterized for its indispensable role for definitive haematopoiesis and its involvement in haematological malignancies. However, more recently RUNX1 has been identified as a key regulator of adverse cardiac remodelling following myocardial infarction. This review discusses the role RUNX1 plays in the heart and highlights its therapeutic potential as a target to limit the progression of adverse cardiac remodelling and heart failure.
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Affiliation(s)
- Alexandra Riddell
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Martin McBride
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Thomas Braun
- Max Planck Institute for Heart and Lung Research, Ludwigstr. 43, 61231 Bad Nauheim, Germany
| | - Stuart A Nicklin
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Ewan Cameron
- School of Veterinary Medicine, University of Glasgow, Garscube Campus, Glasgow G61 1BD, UK
| | - Christopher M Loughrey
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Tamara P Martin
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
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Moulin S, Thomas A, Arnaud C, Arzt M, Wagner S, Maier LS, Pépin JL, Godin-Ribuot D, Gaucher J, Belaidi E. Cooperation Between Hypoxia-Inducible Factor 1α and Activating Transcription Factor 4 in Sleep Apnea-Mediated Myocardial Injury. Can J Cardiol 2020; 36:936-940. [PMID: 32387037 DOI: 10.1016/j.cjca.2020.04.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/01/2020] [Accepted: 04/01/2020] [Indexed: 01/21/2023] Open
Abstract
Chronic intermittent hypoxia (CIH) occurring during sleep apnea amplifies infarct size owing to ischemia-reperfusion. CIH activates hypoxia-inducible factor 1 (HIF-1) and activating transcription factor 4 (ATF4). However, whether HIF-1 and ATF4 interact to promote cardiomyocyte death remains unexplored. For the first time, we observed that in myocardium from apneic patients, CCAAT enhancer-binding protein homologous protein (CHOP) expression is increased and HIF-1α expression is correlated with sleep apnea severity. In mice, single-allele deletion of HIF-1α prevents CIH increase in CHOP expression and infarct size. We uncovered a physical interaction between HIF-1α and ATF4 in CIH that may represent a novel cardiomyocyte death complex.
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Affiliation(s)
- Sophie Moulin
- Laboratoire HP2, Institut National de la Santé et de la Recherche Médicale, Université Grenoble Alpes, Grenoble, France; Institut National de la Santé et de la Recherche Médicale U1042, Grenoble, France
| | - Amandine Thomas
- Laboratoire HP2, Institut National de la Santé et de la Recherche Médicale, Université Grenoble Alpes, Grenoble, France; Institut National de la Santé et de la Recherche Médicale U1042, Grenoble, France
| | - Claire Arnaud
- Laboratoire HP2, Institut National de la Santé et de la Recherche Médicale, Université Grenoble Alpes, Grenoble, France; Institut National de la Santé et de la Recherche Médicale U1042, Grenoble, France
| | - Michael Arzt
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Stefan Wagner
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Lars S Maier
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Jean-Louis Pépin
- Laboratoire HP2, Institut National de la Santé et de la Recherche Médicale, Université Grenoble Alpes, Grenoble, France; Institut National de la Santé et de la Recherche Médicale U1042, Grenoble, France; Centre Hospitalier Universitaire des Alpes, Grenoble, France
| | - Diane Godin-Ribuot
- Laboratoire HP2, Institut National de la Santé et de la Recherche Médicale, Université Grenoble Alpes, Grenoble, France; Institut National de la Santé et de la Recherche Médicale U1042, Grenoble, France
| | - Jonathan Gaucher
- Laboratoire HP2, Institut National de la Santé et de la Recherche Médicale, Université Grenoble Alpes, Grenoble, France; Institut National de la Santé et de la Recherche Médicale U1042, Grenoble, France
| | - Elise Belaidi
- Laboratoire HP2, Institut National de la Santé et de la Recherche Médicale, Université Grenoble Alpes, Grenoble, France; Institut National de la Santé et de la Recherche Médicale U1042, Grenoble, France.
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47
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Packer M. Critical examination of mechanisms underlying the reduction in heart failure events with SGLT2 inhibitors: identification of a molecular link between their actions to stimulate erythrocytosis and to alleviate cellular stress. Cardiovasc Res 2020; 117:74-84. [PMID: 32243505 DOI: 10.1093/cvr/cvaa064] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/10/2020] [Accepted: 03/30/2020] [Indexed: 12/13/2022] Open
Abstract
Sodium-glucose co-transporter 2 (SGLT2) inhibitors reduce the risk of serious heart failure events, even though SGLT2 is not expressed in the myocardium. This cardioprotective benefit is not related to an effect of these drugs to lower blood glucose, promote ketone body utilization or enhance natriuresis, but it is linked statistically with their action to increase haematocrit. SGLT2 inhibitors increase both erythropoietin and erythropoiesis, but the increase in red blood cell mass does not directly prevent heart failure events. Instead, erythrocytosis is a biomarker of a state of hypoxia mimicry, which is induced by SGLT2 inhibitors in manner akin to cobalt chloride. The primary mediators of the cellular response to states of energy depletion are sirtuin-1 and hypoxia-inducible factors (HIF-1α/HIF-2α). These master regulators promote the cellular adaptation to states of nutrient and oxygen deprivation, promoting mitochondrial capacity and minimizing the generation of oxidative stress. Activation of sirtuin-1 and HIF-1α/HIF-2α also stimulates autophagy, a lysosome-mediated degradative pathway that maintains cellular homoeostasis by removing dangerous constituents (particularly unhealthy mitochondria and peroxisomes), which are a major source of oxidative stress and cardiomyocyte dysfunction and demise. SGLT2 inhibitors can activate SIRT-1 and stimulate autophagy in the heart, and thereby, favourably influence the course of cardiomyopathy. Therefore, the linkage between erythrocytosis and the reduction in heart failure events with SGLT2 inhibitors may be related to a shared underlying molecular mechanism that is triggered by the action of these drugs to induce a perceived state of oxygen and nutrient deprivation.
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Affiliation(s)
- Milton Packer
- Baylor Heart and Vascular Institute, Baylor University Medical Center, 621 N. Hall Street, Dallas, TX 75226, USA.,Imperial College, London, UK
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48
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Oknińska M, El-Hafny-Rahbi B, Paterek A, Mackiewicz U, Crola-Da Silva C, Brodaczewska K, Mączewski M, Kieda C. Treatment of hypoxia-dependent cardiovascular diseases by myo-inositol trispyrophosphate (ITPP)-enhancement of oxygen delivery by red blood cells. J Cell Mol Med 2020; 24:2272-2283. [PMID: 31957267 PMCID: PMC7011163 DOI: 10.1111/jcmm.14909] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/29/2019] [Accepted: 11/30/2019] [Indexed: 12/21/2022] Open
Abstract
Heart failure is a consequence of progression hypoxia-dependent tissue damages. Therapeutic approaches to restore and/or protect the healthy cardiac tissue have largely failed and remain a major challenge of regenerative medicine. The myo-inositol trispyrophosphate (ITPP) is a modifier of haemoglobin which enters the red blood cells and modifies the haemoglobin properties, allowing for easier and better delivery of oxygen by the blood. Here, we show that this treatment approach in an in vivo model of myocardial infarction (MI) results in an efficient protection from heart failure, and we demonstrate the recovery effect on post-MI left ventricular remodelling in the rat model. Cultured cardiomyocytes used to study the molecular mechanism of action of ITPP in vitro displayed the fast stimulation of HIF-1 upon hypoxic conditions. HIF-1 overexpression was prevented by ITPP when incorporated into red blood cells applied in a model of blood-perfused cardiomyocytes coupling the dynamic shear stress effect to the enhanced O2 supply by modification of haemoglobin ability to release O2 in hypoxia. ITPP treatment appears a breakthrough strategy for the efficient and safe treatment of hypoxia- or ischaemia-induced injury of cardiac tissue.
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Affiliation(s)
- Marta Oknińska
- Department of Clinical Physiology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | | | - Aleksandra Paterek
- Department of Clinical Physiology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Urszula Mackiewicz
- Department of Clinical Physiology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | | | | | - Michał Mączewski
- Department of Clinical Physiology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Claudine Kieda
- Center for Molecular Biophysics, UPR 4301 CNRS, Orleans, France.,Laboratory of Molecular Oncology and Innovative Therapies, MMI, Warsaw, Poland
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49
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Campia U, Moslehi JJ, Amiri-Kordestani L, Barac A, Beckman JA, Chism DD, Cohen P, Groarke JD, Herrmann J, Reilly CM, Weintraub NL. Cardio-Oncology: Vascular and Metabolic Perspectives: A Scientific Statement From the American Heart Association. Circulation 2019; 139:e579-e602. [PMID: 30786722 DOI: 10.1161/cir.0000000000000641] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cardio-oncology has organically developed as a new discipline within cardiovascular medicine as a result of the cardiac and vascular adverse sequelae of the major advances in cancer treatment. Patients with cancer and cancer survivors are at increased risk of vascular disease for a number of reasons. First, many new cancer therapies, including several targeted therapies, are associated with vascular and metabolic complications. Second, cancer itself serves as a risk factor for vascular disease, especially by increasing the risk for thromboembolic events. Finally, recent data suggest that common modifiable and genetic risk factors predispose to both malignancies and cardiovascular disease. Vascular complications in patients with cancer represent a new challenge for the clinician and a new frontier for research and investigation. Indeed, vascular sequelae of novel targeted therapies may provide insights into vascular signaling in humans. Clinically, emerging challenges are best addressed by a multidisciplinary approach in which cardiovascular medicine specialists and vascular biologists work closely with oncologists in the care of patients with cancer and cancer survivors. This novel approach realizes the goal of providing superior care through the creation of cardio-oncology consultative services and the training of a new generation of cardiovascular specialists with a broad understanding of cancer treatments.
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50
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Shemarova IV, Nesterov VP. Molecular Basis of Cardioprotection in Ischemic Heart Disease. J EVOL BIOCHEM PHYS+ 2019. [DOI: 10.1134/s0022093019030013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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