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Lu J, Qian S, Sun Z. Targeting histone deacetylase in cardiac diseases. Front Physiol 2024; 15:1405569. [PMID: 38983721 PMCID: PMC11232433 DOI: 10.3389/fphys.2024.1405569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Accepted: 05/31/2024] [Indexed: 07/11/2024] Open
Abstract
Histone deacetylases (HDAC) catalyze the removal of acetylation modifications on histones and non-histone proteins, which regulates gene expression and other cellular processes. HDAC inhibitors (HDACi), approved anti-cancer agents, emerge as a potential new therapy for heart diseases. Cardioprotective effects of HDACi are observed in many preclinical animal models of heart diseases. Genetic mouse models have been developed to understand the role of each HDAC in cardiac functions. Some of the findings are controversial. Here, we provide an overview of how HDACi and HDAC impact cardiac functions under physiological or pathological conditions. We focus on in vivo studies of zinc-dependent classical HDACs, emphasizing disease conditions involving cardiac hypertrophy, myocardial infarction (MI), ischemic reperfusion (I/R) injury, and heart failure. In particular, we review how non-biased omics studies can help our understanding of the mechanisms underlying the cardiac effects of HDACi and HDAC.
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Affiliation(s)
- Jiao Lu
- Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, Baylor College of Medicine, Houston, TX, United States
| | - Sichong Qian
- Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, Baylor College of Medicine, Houston, TX, United States
| | - Zheng Sun
- Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, Baylor College of Medicine, Houston, TX, United States
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, United States
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Xu YY, Chen T, Ding H, Chen Q, Fan QL. Melatonin inhibits circadian gene DEC1 and TLR2/MyD88/NF-κB signaling pathway to alleviate renal injury in type 2 diabetic mice. Acta Diabetol 2024:10.1007/s00592-024-02312-2. [PMID: 38896283 DOI: 10.1007/s00592-024-02312-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 05/21/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND Diabetic Kidney Disease (DKD) is a complex disease associated with circadian rhythm and biological clock regulation disorders. Melatonin (MT) is considered a hormone with renal protective effects, but its mechanism of action in DKD is unclear. METHODS We used the GSE151325 dataset from the GEO database for differential gene analysis and further explored related genes and pathways through GO and KEGG analysis and PPI network analysis. Additionally, this study used a type 2 diabetes db/db mouse model and investigated the role of melatonin in DKD and its relationship with clock genes through immunohistochemistry, Western blot, real-time PCR, ELISA, chromatin immunoprecipitation (ChIP), dual-luciferase reporter technology, and liposome transfection technology to study DEC1 siRNA. RESULTS Bioinformatics analysis revealed the central position of clock genes such as CLOCK, DEC1, Bhlhe41, CRY1, and RORB in DKD. Their interaction with key inflammatory regulators may reveal melatonin's potential mechanism in treating diabetic kidney disease. Further experimental results showed that melatonin significantly improved the renal pathological changes in db/db mice, reduced body weight and blood sugar, regulated clock genes in renal tissue, and downregulated the TLR2/MyD88/NF-κB signaling pathway. We found that the transcription factor DEC1 can bind to the TLR2 promoter and activate its transcription, while CLOCK's effect is unclear. Liposome transfection experiments further confirmed the effect of DEC1 on the TLR2/MyD88/NF-κB signaling pathway. CONCLUSION Melatonin shows significant renal protective effects by regulating clock genes and downregulating the TLR2/MyD88/NF-κB signaling pathway. The transcription factor DEC1 may become a key regulatory factor for renal inflammation and fibrosis by activating TLR2 promoter transcription. These findings provide new perspectives and directions for the potential application of melatonin in DKD treatment.
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Affiliation(s)
- Yan-Yan Xu
- Department of Nephrology, Fourth Hospital of China Medical University, Shenyang, China
| | - Tong Chen
- Department of Nephrology, Shenyang Seventh People's Hospital, Shenyang, China
| | - Hong Ding
- Department of Nephrology, Fourth Hospital of China Medical University, Shenyang, China
| | - Qiong Chen
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200082, China.
| | - Qiu-Ling Fan
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200082, China.
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Li W, Leng Y, Xiong Y, Li W, Cai Y, Xue R, Chen R, Lei S, Xia Z, Xia Z. DJ-1 preserves ischemic postconditioning-induced cardioprotection in STZ-induced type 1 diabetic rats: role of PTEN and DJ-1 subcellular translocation. Cell Commun Signal 2024; 22:252. [PMID: 38698453 PMCID: PMC11064239 DOI: 10.1186/s12964-024-01638-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Accepted: 04/27/2024] [Indexed: 05/05/2024] Open
Abstract
BACKGROUND Ischemic postconditioning (IPostC) has been reported as a promising method for protecting against myocardial ischemia-reperfusion (MI/R) injury. Our previous study found that the infarct-limiting effect of IPostC is abolished in the heart of diabetes whose cardiac expression of DJ-1 (also called PARK7, Parkinsonism associated deglycase) is reduced. However, the role and in particular the underlying mechanism of DJ-1 in the loss of sensitivity to IPostC-induced cardioprotection in diabetic hearts remains unclear. METHODS Streptozotocin-induced type 1 diabetic rats were subjected to MI/R injury by occluding the left anterior descending artery (LAD) and followed by reperfusion. IPostC was induced by three cycles of 10s of reperfusion and ischemia at the onset of reperfusion. AAV9-CMV-DJ-1, AAV9-CMV-C106S-DJ-1 or AAV9-DJ-1 siRNA were injected via tail vein to either over-express or knock-down DJ-1 three weeks before inducing MI/R. RESULTS Diabetic rats subjected to MI/R exhibited larger infarct area, more severe oxidative injury concomitant with significantly reduced cardiac DJ-1 expression and increased PTEN expression as compared to non-diabetic rats. AAV9-mediated cardiac DJ-1 overexpression, but not the cardiac overexpression of DJ-1 mutant C106S, restored IPostC-induced cardioprotection and this effect was accompanied by increased cytoplasmic DJ-1 translocation toward nuclear and mitochondrial, reduced PTEN expression, and increased Nrf-2/HO-1 transcription. Our further study showed that AAV9-mediated targeted DJ-1 gene knockdown aggravated MI/R injury in diabetic hearts, and this exacerbation of MI/R injury was partially reversed by IPostC in the presence of PTEN inhibition or Nrf-2 activation. CONCLUSIONS These findings suggest that DJ-1 preserves the cardioprotective effect of IPostC against MI/R injury in diabetic rats through nuclear and mitochondrial DJ-1 translocation and that inhibition of cardiac PTEN and activation of Nrf-2/HO-1 may represent the major downstream mechanisms whereby DJ-1 preserves the cardioprotective effect of IPostC in diabetes.
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Affiliation(s)
- Wei Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yan Leng
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yonghong Xiong
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wenyuan Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yin Cai
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong SAR, China
- Research Center for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong SAR, China
- Research Institute for Future Food, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Rui Xue
- Department of Anesthesiology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Rong Chen
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shaoqing Lei
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhengyuan Xia
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China.
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Guangdong, China.
| | - Zhongyuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China.
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Patlin BH, Mok H, Arra M, Haspel JA. Circadian rhythms in solid organ transplantation. J Heart Lung Transplant 2024; 43:849-857. [PMID: 38310995 PMCID: PMC11070314 DOI: 10.1016/j.healun.2024.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/17/2024] [Accepted: 01/29/2024] [Indexed: 02/06/2024] Open
Abstract
Circadian rhythms are daily cycles in physiology that can affect medical interventions. This review considers how these rhythms may relate to solid organ transplantation. It begins by summarizing the mechanism for circadian rhythm generation known as the molecular clock, and basic research connecting the clock to biological activities germane to organ acceptance. Next follows a review of clinical evidence relating time of day to adverse transplantation outcomes. The concluding section discusses knowledge gaps and practical areas where applying circadian biology might improve transplantation success.
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Affiliation(s)
- Brielle H Patlin
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri
| | - Huram Mok
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri
| | - Monaj Arra
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri
| | - Jeffrey A Haspel
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri.
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Zhou S, Li X, Liang F, Ji G, Lv K, Yuan Y, Zhao Y, Yan N, Zhang C, Cai S, Zhang S, Liu X, Song B, Qu L. Mitophagy Regulates the Circadian Rhythms by Degrading NR1D1 in Simulated Microgravity and Isolation Environments. Int J Mol Sci 2024; 25:4853. [PMID: 38732079 PMCID: PMC11084518 DOI: 10.3390/ijms25094853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/15/2024] [Accepted: 04/19/2024] [Indexed: 05/13/2024] Open
Abstract
Long-term spaceflight is known to induce disruptions in circadian rhythms, which are driven by a central pacemaker located in the suprachiasmatic nucleus (SCN) of the hypothalamus, but the underlying molecular mechanisms remain unclear. Here, we developed a rat model that simulated microgravity and isolation environments through tail suspension and isolation (TSI). We found that the TSI environment imposed circadian disruptions to the core body temperature, heart rate, and locomotor-activity rhythms of rats, especially in the amplitude of these rhythms. In TSI model rats' SCNs, the core circadian gene NR1D1 showed higher protein but not mRNA levels along with decreased BMAL1 levels, which indicated that NR1D1 could be regulated through post-translational regulation. The autophagosome marker LC3 could directly bind to NR1D1 via the LC3-interacting region (LIR) motifs and induce the degradation of NR1D1 in a mitophagy-dependent manner. Defects in mitophagy led to the reversal of NR1D1 degradation, thereby suppressing the expression of BMAL1. Mitophagy deficiency and subsequent mitochondrial dysfunction were observed in the SCN of TSI models. Urolithin A (UA), a mitophagy activator, demonstrated an ability to enhance the amplitude of core body temperature, heart rate, and locomotor-activity rhythms by prompting mitophagy induction to degrade NR1D1. Cumulatively, our results demonstrate that mitophagy exerts circadian control by regulating NR1D1 degradation, revealing mitophagy as a potential target for long-term spaceflight as well as diseases with SCN circadian disruption.
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Affiliation(s)
- Sihai Zhou
- Department of Pathology and Forensics, Dalian Medical University, Dalian 116044, China;
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Xiaopeng Li
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Fengji Liang
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Guohua Ji
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Ke Lv
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Yanhong Yuan
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Yujie Zhao
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Na Yan
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Chuanjie Zhang
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Shiou Cai
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Shuhui Zhang
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Xu Liu
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
| | - Bo Song
- Department of Pathology and Forensics, Dalian Medical University, Dalian 116044, China;
| | - Lina Qu
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China; (X.L.); (F.L.); (G.J.); (K.L.); (Y.Y.); (Y.Z.); (N.Y.); (C.Z.); (S.C.); (X.L.)
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Tian H, Zhao X, Zhang Y, Xia Z. Research progress of circadian rhythm in cardiovascular disease: A bibliometric study from 2002 to 2022. Heliyon 2024; 10:e28738. [PMID: 38560247 PMCID: PMC10979111 DOI: 10.1016/j.heliyon.2024.e28738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 03/22/2024] [Accepted: 03/22/2024] [Indexed: 04/04/2024] Open
Abstract
Background Given that the circadian rhythm is intricately linked to cardiovascular physiological functions, the objective of this investigation was to employ bibliometric visualization analysis in order to scrutinize the trends, hotspots, and prospects of the circadian rhythm and cardiovascular disease (CVD) over the past two decades. Methods A thorough exploration of the literature related to the circadian rhythm and CVD was conducted via the Web of Science Core Collection database spanning the years 2002-2022. Advanced software tools, including citespace and VOSviewer, were employed to carry out a comprehensive analysis of the co-occurrence and collaborative relationships among countries, institutions, journals, references, and keywords found in this literature. Furthermore, correlation mapping was executed to provide a visual representation of the data. Results The present study encompassed a total of 3399 published works, comprising of 2691 articles and 708 reviews. The publications under scrutiny were primarily derived from countries such as the United States, Japan, and China. The most prominent research institutions were found to be the University of Vigo, University of Minnesota, and Harvard University. Notably, the journal Chronobiology International, alongside its co-cited publications, had the most substantial contribution to the research in this field. Following an exhaustive analysis, the most frequently observed keywords were identified as circadian rhythm, blood pressure, hypertension, heart rate, heart rate variability, and melatonin. Furthermore, a nascent analysis indicated that future research might gravitate towards topics such as inflammation, metabolism, oxidative stress, and autophagy, thereby indicating new directions for investigation. Conclusion This analysis represents the first instance of bibliometric scrutiny pertaining to circadian rhythm and its correlation with cardiovascular disease (CVD) through the use of visualization software. Notably, this study has succeeded in highlighting the recent research frontiers and prominent trajectories in this field, thereby providing a valuable contribution to the literature.
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Affiliation(s)
- Hao Tian
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xiaoshuai Zhao
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yuxi Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Zhongyuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
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Liu Y, Zhao H, Yang Y, Liu Y, Ao CY, Zeng JM, Ban JQ, Li J. Mechanism by which HDAC3 regulates manganese induced H3K27ac in SH-SY5Y cells and intervention by curcumin. Arch Biochem Biophys 2024; 752:109878. [PMID: 38151197 DOI: 10.1016/j.abb.2023.109878] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 12/29/2023]
Abstract
Long-term excessive exposure to manganese can impair neuronal function in the brain, but the underlying pathological mechanism remains unclear. Oxidative stress plays a central role in manganese-induced neurotoxicity. Numerous studies have established a strong link between abnormal histone acetylation levels and the onset of various diseases. Histone deacetylase inhibitors and activators, such as TSA and ITSA-1, are often used to investigate the intricate mechanisms of histone acetylation in disease. In addition, recent experiments have provided substantial evidence demonstrating that curcumin (Cur) can act as an epigenetic regulator. Given these findings, this study aims to investigate the mechanisms underlying oxidative damage in SH-SY5Y cells exposed to MnCl2·4H2O, with a particular focus on histone acetylation, and to assess the potential therapeutic efficacy of Cur. In this study, SH-SY5Y cells were exposed to manganese for 24 h, were treated with TSA or ITSA-1, and were treated with or without Cur. The results suggested that manganese exposure, which leads to increased expression of HDAC3, induced H3K27 hypoacetylation, inhibited the transcription of antioxidant genes, decreased antioxidant enzyme activities, and induced oxidative damage in cells. Pretreatment with an HDAC3 inhibitor (TSA) increased the acetylation of H3K27 and the transcription of antioxidant genes and thus slowed manganese exposure-induced cellular oxidative damage. In contrast, an HDAC3 activator (ITSA-1) partially increased manganese-induced cellular oxidative damage, while Cur prevented manganese-induced oxidative damage. In summary, these findings suggest that inhibiting H3K27ac is a possible mechanism for ameliorating manganese-induced damage to dopaminergic neurons and that Cur exerts a certain protective effect against manganese-induced damage to dopaminergic neurons.
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Affiliation(s)
- Ying Liu
- School of Public Heath, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Hua Zhao
- School of Public Heath, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Yue Yang
- Guiyang Stomatological Hospital, Guiyang, Guizhou, 550002, China
| | - Yan Liu
- School of Public Heath, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Chun-Yan Ao
- School of Public Heath, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Jia-Min Zeng
- School of Public Heath, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Jia-Qi Ban
- School of Public Heath, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China.
| | - Jun Li
- School of Public Heath, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China.
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Zhou L, Su W, Wang Y, Zhang Y, Xia Z, Lei S. FOXO1 reduces STAT3 activation and causes impaired mitochondrial quality control in diabetic cardiomyopathy. Diabetes Obes Metab 2024; 26:732-744. [PMID: 37961034 DOI: 10.1111/dom.15369] [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: 07/05/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023]
Abstract
AIMS To investigate the role of FOXO1 in STAT3 activation and mitochondrial quality control in the diabetic heart. METHODS Type 1 diabetes mellitus (T1DM) was induced in rats by a single intraperitoneal injection of 60 mg · kg-1 streptozotocin (STZ), while type 2 diabetes mellitus (T2DM) was induced in rats with a high-fat diet through intraperitoneal injection of 35 mg · kg-1 STZ. Primary neonatal mouse cardiomyocytes and H9c2 cells were exposed to low glucose (5.5 mM) or high glucose (HG; 30 mM) with or without treatment with the FOXO1 inhibitor AS1842856 (1 μM) for 24 hours. In addition, the diabetic db/db mice (aged 8 weeks) and sex- and age-matched non-diabetic db/+ mice were treated with vehicle or AS1842856 by oral gavage for 15 days at a dose of 5 mg · kg-1 · d-1 . RESULTS Rats with T1DM or T2DM had excessive cardiac FOXO1 activation, accompanied by decreased STAT3 activation. Immunofluorescence and immunoprecipitation analysis showed colocalization and association of FOXO1 and STAT3 under basal conditions in isolated cardiomyocytes. Selective inhibition of FOXO1 activation by AS1842856 or FOXO1 siRNA transfection improved STAT3 activation, mitophagy and mitochondrial fusion, and decreased mitochondrial fission in isolated cardiomyocytes exposed to HG. Transfection with STAT3 siRNA further reduced mitophagy, mitochondrial fusion and increased mitochondrial fission in HG-treated cardiomyocytes. AS1842856 alleviated cardiac dysfunction, pathological damage and improved STAT3 activation, mitophagy and mitochondrial dynamics in diabetic db/db mice. Additionally, AS1842856 improved mitochondrial function indicated by increased mitochondrial membrane potential and adenosine triphosphate production and decreased mitochondrial reactive oxygen species production in isolated cardiomyocytes exposed to HG. CONCLUSIONS Excessive FOXO1 activation during diabetes reduces STAT3 activation, with subsequent impairment of mitochondrial quality, ultimately promoting the development of diabetic cardiomyopathy.
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Affiliation(s)
- Lu Zhou
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wating Su
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yafeng Wang
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuefu Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhongyuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shaoqing Lei
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
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Li J, Liu Y, Li Y, Sun T, Xiang H, He Z. The Role of Gut Microbiota and Circadian Rhythm Oscillation of Hepatic Ischemia-Reperfusion Injury in Diabetic Mice. Biomedicines 2023; 12:54. [PMID: 38255161 PMCID: PMC10813792 DOI: 10.3390/biomedicines12010054] [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: 11/09/2023] [Revised: 12/11/2023] [Accepted: 12/19/2023] [Indexed: 01/24/2024] Open
Abstract
Circadian rhythm oscillation and the gut microbiota play important roles in several physiological functions and pathology regulations. In this study, we aimed to elucidate the characteristics of diabetic hepatic ischemia-reperfusion injury (HIRI) and the role of the intestinal microbiota in diabetic mice with HIRI. Hepatic ischemia-reperfusion injury surgery was performed at ZT0 or ZT12. The liver pathological score and the serum levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were analyzed to evaluate liver injury. We conducted an FMT experiment to examine the role of intestinal microbiota in diabetic mice with HIRI. The 16S rRNA gene sequencing of fecal samples was performed for microbial analysis. Our results showed that hyperglycemia aggravated HIRI in diabetic mice, but there was no diurnal variation seen in diabetic HIRI. We also demonstrated that there were significant alterations in the gut microbiota composition between the diabetic and control mice and that gut microbiota transplantation from diabetic mice had obvious harmful effects on HIRI. These findings provide some useful information for the future research of diabetic mice with HIRI.
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Affiliation(s)
| | | | | | | | - Hongbing Xiang
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (J.L.); (Y.L.); (Y.L.); (T.S.)
| | - Zhigang He
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (J.L.); (Y.L.); (Y.L.); (T.S.)
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Young ME. The Cardiac Circadian Clock: Implications for Cardiovascular Disease and its Treatment. JACC Basic Transl Sci 2023; 8:1613-1628. [PMID: 38205356 PMCID: PMC10774593 DOI: 10.1016/j.jacbts.2023.03.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/23/2023] [Accepted: 03/23/2023] [Indexed: 01/12/2024]
Abstract
Virtually all aspects of physiology fluctuate with respect to the time of day. This is beautifully exemplified by cardiovascular physiology, for which blood pressure and electrophysiology exhibit robust diurnal oscillations. At molecular/biochemical levels (eg, transcription, translation, signaling, metabolism), cardiovascular-relevant tissues (such as the heart) are profoundly different during the day vs the night. Unfortunately, this in turn contributes toward 24-hour rhythms in both risk of adverse event onset (eg, arrhythmias, myocardial infarction) and pathogenesis severity (eg, extent of ischemic damage). Accumulating evidence indicates that cell-autonomous timekeeping mechanisms, termed circadian clocks, temporally govern biological processes known to play critical roles in cardiovascular function/dysfunction. In this paper, a comprehensive review of our current understanding of the cardiomyocyte circadian clock during both health and disease is detailed. Unprecedented basic, translational, and epidemiologic studies support a need to implement chronobiological considerations in strategies designed for both prevention and treatment of cardiovascular disease.
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Affiliation(s)
- Martin E. Young
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
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11
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Huang Q, Tian H, Tian L, Zhao X, Li L, Zhang Y, Qiu Z, Lei S, Xia Z. Inhibiting Rev-erbα-mediated ferroptosis alleviates susceptibility to myocardial ischemia-reperfusion injury in type 2 diabetes. Free Radic Biol Med 2023; 209:135-150. [PMID: 37805047 DOI: 10.1016/j.freeradbiomed.2023.09.034] [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: 08/25/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/09/2023]
Abstract
The complex progression of type-2 diabetes (T2DM) may result in increased susceptibility to myocardial ischemia-reperfusion (IR) injury. IR injuries in multiple organs involves ferroptosis. Recently, the clock gene Rev-erbα has aroused considerable interest as a novel therapeutic target for metabolic and ischemic heart diseases. Herein, we investigated the roles of Rev-erbα and ferroptosis in myocardial IR injury during T2DM and its potential mechanisms. A T2DM model, myocardial IR and a tissue-specific Rev-erbα-/- mouse in vivo were established, and a high-fat high glucose environment with hypoxia-reoxygenation (HFHG/HR) in H9c2 were also performed. After myocardial IR, glycolipid profiles, creatine kinase-MB, AI, and the expression of Rev-erbα and ferroptosis-related proteins were increased in diabetic rats with impaired cardiac function compared to non-diabetic rats, regardless of the time at which IR was induced. The ferroptosis inhibitor ferrostatin-1 decreased AI in diabetic rats given IR and LPO levels in cells treated with HFHG/HR, as well as the expression of Rev-erbα and ACSL4. The ferroptosis inducer erastin increased AI and LPO levels and ACSL4 expression. Treatment with the circadian regulator nobiletin and genetically targeting Rev-erbα via siRNA or CRISPR/Cas9 technology both protected against severe myocardial injury and decreased Rev-erbα and ACSL4 expression, compared to the respective controls. Taken together, these data suggest that ferroptosis is involved in the susceptibility to myocardial IR injury during T2DM, and that targeting Rev-erbα could alleviate myocardial IR injury by inhibiting ferroptosis.
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Affiliation(s)
- Qin Huang
- Department of Anaesthesiology, Wuhan Univ, Renmin Hospital, Wuhan 430060, Hubei, PR China
| | - Hao Tian
- Department of Anaesthesiology, Wuhan Univ, Renmin Hospital, Wuhan 430060, Hubei, PR China
| | - Liqun Tian
- Department of Anaesthesiology, The First Affiliated Hospital of Chongqing Medical University, PR China
| | - Xiaoshuai Zhao
- Department of Anaesthesiology, Wuhan Univ, Renmin Hospital, Wuhan 430060, Hubei, PR China
| | - Lu Li
- Department of Anaesthesiology, Wuhan Univ, Renmin Hospital, Wuhan 430060, Hubei, PR China
| | - Yuxi Zhang
- Department of Anaesthesiology, Wuhan Univ, Renmin Hospital, Wuhan 430060, Hubei, PR China
| | - Zhen Qiu
- Department of Anaesthesiology, Wuhan Univ, Renmin Hospital, Wuhan 430060, Hubei, PR China
| | - Shaoqing Lei
- Department of Anaesthesiology, Wuhan Univ, Renmin Hospital, Wuhan 430060, Hubei, PR China
| | - Zhongyuan Xia
- Department of Anaesthesiology, Wuhan Univ, Renmin Hospital, Wuhan 430060, Hubei, PR China.
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12
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Dong C, Li J, Tang Q, Wang Y, Zeng C, Du L, Sun Q. Denervation aggravates renal ischemia reperfusion injury via BMAL1-mediated Nrf2/ARE pathway. Arch Biochem Biophys 2023; 746:109736. [PMID: 37657745 DOI: 10.1016/j.abb.2023.109736] [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: 06/21/2023] [Revised: 08/04/2023] [Accepted: 08/27/2023] [Indexed: 09/03/2023]
Abstract
AIM To explore the change of clock gene rhythm under renal denervation (RDN) and its effect on renal function and oxidative stress during renal ischemia-reperfusion (IR) injury. METHOD C57/BL6 mice were randomly divided into 4 groups at daytime 7 A M (zeitgeber time [ZT] 0) or at nighttime 7 P M (ZT12) in respectively: Sham (S) group, RDN group, IR group and RDN + IR (DIR) group. Renal pathological and functional changes were assessed by H&E staining, and serum creatinine, urea nitrogen and neutrophil gelatinase-associated lipocalin levels. Renal oxidative stress was detected by SOD and MDA levels, and renal inflammation was measured by IL-6, IL-17 A F and TNF-ɑ levels. BMAL1, CLOCK, Nrf2 and HO-1 mRNA and protein expressions were tested by qPCR and Western Blot. RESULT Compared with S groups, the rhythm of BMAL1, CLOCK and Nrf2 genes in the kidney were disordered in RDN groups, while renal pathological and functional indexes did not change significantly. Compared with IR groups, renal pathological and functional indexes were significantly higher in the DIR groups, as well as oxidative stress and inflammation in renal tissues. The nocturnal IR injury in the RDN kidney was the worst while the BMAL1, Nrf2 and HO-1 expressions were the highest. In DIR groups, renal injury was aggravated after the Brusatol treatment, but there was no significant improvement after the t-BHQ treatment at night, which might be consistent with the changes of Nrf2 and HO-1 protein expressions. CONCLUSION RDN lead to the disruption of BMAL1-mediated Nrf2 rhythm accumulation in the kidney, which reduced the renal ability to resist oxidative stress and inflammation, due to the impaired effect of activating Nrf2/ARE pathway in renal IR injury at nighttime.
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Affiliation(s)
- Chong Dong
- Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China; Tianjin Key Laboratory for Organ Transplantation, Tianjin, China
| | - Jing Li
- Department of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee, 1193053, Regensburg, Germany
| | - Qiao Tang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yifei Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Cheng Zeng
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Li Du
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Sun
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China.
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13
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Paluvai H, Shanmukha KD, Tyedmers J, Backs J. Insights into the function of HDAC3 and NCoR1/NCoR2 co-repressor complex in metabolic diseases. Front Mol Biosci 2023; 10:1190094. [PMID: 37674539 PMCID: PMC10477789 DOI: 10.3389/fmolb.2023.1190094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 08/08/2023] [Indexed: 09/08/2023] Open
Abstract
Histone deacetylase 3 (HDAC3) and nuclear receptor co-repressor (NCoR1/2) are epigenetic regulators that play a key role in gene expression and metabolism. HDAC3 is a class I histone deacetylase that functions as a transcriptional co-repressor, modulating gene expression by removing acetyl groups from histones and non-histone proteins. NCoR1, on the other hand, is a transcriptional co-repressor that interacts with nuclear hormone receptors, including peroxisome proliferator-activated receptor gamma (PPARγ) and liver X receptor (LXR), to regulate metabolic gene expression. Recent research has revealed a functional link between HDAC3 and NCoR1 in the regulation of metabolic gene expression. Genetic deletion of HDAC3 in mouse models has been shown to improve glucose intolerance and insulin sensitivity in the liver, skeletal muscle, and adipose tissue. Similarly, genetic deletion of NCoR1 has improved insulin resistance and reduced adiposity in mouse models. Dysregulation of this interaction has been associated with the development of cardio-metabolic diseases such as cardiovascular diseases, obesity and type 2 diabetes, suggesting that targeting this pathway may hold promise for the development of novel therapeutic interventions. In this review, we summarize the current understanding of individual functions of HDAC3 and NCoR1/2 and the co-repressor complex formation (HDAC3/NCoR1/2) in different metabolic tissues. Further studies are needed to thoroughly understand the mechanisms through which HDAC3, and NCoR1/2 govern metabolic processes and the implications for treating metabolic diseases.
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Affiliation(s)
- Harikrishnareddy Paluvai
- Institute of Experimental Cardiology, Heidelberg University, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Kumar D. Shanmukha
- Institute of Experimental Cardiology, Heidelberg University, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Jens Tyedmers
- Institute of Experimental Cardiology, Heidelberg University, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Johannes Backs
- Institute of Experimental Cardiology, Heidelberg University, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
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14
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Zhang N, Yu H, Liu T, Zhou Z, Feng B, Wang Y, Qian Z, Hou X, Zou J. Bmal1 downregulation leads to diabetic cardiomyopathy by promoting Bcl2/IP3R-mediated mitochondrial Ca 2+ overload. Redox Biol 2023; 64:102788. [PMID: 37356134 DOI: 10.1016/j.redox.2023.102788] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 06/11/2023] [Accepted: 06/15/2023] [Indexed: 06/27/2023] Open
Abstract
Brain and muscle arnt-like protein 1 (Bmal1) is a crucial transcription factor, regulating circadian rhythm and involved in multiple heart diseases. However, it is unknown whether Bmal1 promotes diabetic cardiomyopathy (DCM) pathogenesis. The objective of this investigation was to ascertain the vital role of Bmal1 in the progression of DCM. Mice with T2D and H9c2 cardiomyoblasts exposed to high glucose and palmitic acid (HGHP) were used. Cardiomyocyte-specific knockout mouse of Bmal1 (CKB) was also generated, and cardiac Bmal1 was overexpressed in type 2 diabetes (T2D) mice using an adeno-associated virus. Bmal1 gene recombinant adenovirus was used to either knockdown or overexpress in H9c2 cardiomyoblasts. Bmal1 expression was significantly altered in diabetic mice hearts. Bmal1 downregulation in CKB and T2D mice heart accelerated cardiac hypertrophy and diastolic dysfunction, while Bmal1 overexpression ameliorated these pathological changes in DCM mice. Furthermore, DCM mice had significant mitochondrial ultrastructural defects, reactive oxygen species accumulation, and apoptosis, which could be alleviated by overexpressing Bmal1. In H9c2 cardiomyoblasts, genetic downregulation of Bmal1 or HGHP markedly decreased the binding of Bcl2 to IP3R, thus increasing Ca2+ release to mitochondria through mitochondria-associated endoplasmic reticulum membranes. Importantly, chromatin immunoprecipitation revealed Bmal1 could bind directly to the Bcl2 gene promoter region. Bmal1 overexpression augmented the Bmal1/Bcl2 binding, enhancing the inhibition of Bcl2 on IP3R activity, thus alleviating mitochondrial Ca2+ overload and subsequent cell apoptosis. These results show that Bmal1 is involved in the DCM development through Bcl2/IP3R-mediated mitochondria Ca2+ overload. Therapy targeting the circadian clock (Bmal1) can treat DCM.
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Affiliation(s)
- Nannan Zhang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China; Department of Cardiology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Hao Yu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China; Department of Cardiology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Tianzi Liu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zihao Zhou
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Bin Feng
- Department of Endocrinology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yao Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhiyong Qian
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiaofeng Hou
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jiangang Zou
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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15
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Li N, Liu B, Xiong R, Li G, Wang B, Geng Q. HDAC3 deficiency protects against acute lung injury by maintaining epithelial barrier integrity through preserving mitochondrial quality control. Redox Biol 2023; 63:102746. [PMID: 37244125 DOI: 10.1016/j.redox.2023.102746] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 05/12/2023] [Indexed: 05/29/2023] Open
Abstract
Sepsis is one common cause of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS), which is closely associated with high mortality in intensive care units (ICU). Histone deacetylase 3 (HDAC3) serves as an important epigenetic modifying enzyme which could affect chromatin structure and transcriptional regulation. Here, we explored the effects of HDAC3 in type II alveolar epithelial cells (AT2) on lipopolysaccharide (LPS)-induced ALI and shed light on potential molecular mechanisms. We generated ALI mouse model with HDAC3 conditional knockout mice (Sftpc-cre; Hdac3f/f) in AT2 and the roles of HDAC3 in ALI and epithelial barrier integrity were investigated in LPS-treated AT2. The levels of HDAC3 were significantly upregulated in lung tissues from mice with sepsis and in LPS-treated AT2. HDAC3 deficiency in AT2 not only decreased inflammation, apoptosis, and oxidative stress, but also maintained epithelial barrier integrity. Meanwhile, HDAC3 deficiency in LPS-treated AT2 preserved mitochondrial quality control (MQC), evidenced by the shift of mitochondria from fission into fusion, decreased mitophagy, and improved fatty acid oxidation (FAO). Mechanically, HDAC3 promoted the transcription of Rho-associated protein kinase 1 (ROCK1) in AT2. In the context of LPS stimulation, the upregulated ROCK1 elicited by HDAC3 could be phosphorylated by Rho-associated (RhoA), thus disturbing MQC and triggering ALI. Furthermore, we found that forkhead box O1 (FOXO1) was one of transcription factors of ROCK1. HDAC3 directly decreased the acetylation of FOXO1 and promoted its nuclear translocation in LPS-treated AT2. Finally, HDAC3 inhibitor RGFP966 alleviated epithelial damage and improved MQC in LPS-treated AT2. Altogether, HDAC3 deficiency in AT2 alleviated sepsis-induced ALI by preserving mitochondrial quality control via FOXO1-ROCK1 axis, which provided a potential strategy for the treatment of sepsis and ALI.
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Affiliation(s)
- Ning Li
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Bohao Liu
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China; Department of Thoracic Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Rui Xiong
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Guorui Li
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Bo Wang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
| | - Qing Geng
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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16
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Xiong Y, Leng Y, Li W, Li W, Tian H, Tao J, Chen R, Xia Z. Nogo-A Mediated Endoplasmic Reticulum Stress During Myocardial Ischemic-Reperfusion Injury in Diabetic Rats. Cardiovasc Toxicol 2023; 23:147-160. [PMID: 36964845 DOI: 10.1007/s12012-023-09788-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 03/02/2023] [Indexed: 03/26/2023]
Abstract
Among the three isoforms encoded by neurite outgrowth inhibitor proteins has been intensely investigated as a central nervous system inhibitor. Although neurite outgrowth inhibitor protein-A (Nogo-A) expression is increased in plasma of patients who have experienced a coronary heart disease, its role in heart disease is not well elucidated. In this study, we discovered a significant increase in Nogo-A expression in diabetic myocardial ischemia reperfusion (MI/R) injury conditions. Accelerated Nogo-A and MI/R injury in diabetic rats was attenuated by tauroursodeoxycholic acid treatment and knockdown of Nogo-A per se is sufficient to decrease endoplasmic reticulum (ER) stress as well as prevents cardiomyocyte apoptosis. We hypothesized that decreased Nogo-A levels might reducing diabetic MI/R injury. Nogo-A interacted with C/EBP homologous protein, suggesting a role for Nogo-A in ER stress during diabetic MI/R. In conclusion, Nogo-A mediated ER stress plays a major role in diabetic MI/R injury, and pathologically altered Nogo-A expression mediates diabetic MI/R injury, suggesting Nogo-A as a novel target for the treatment of diabetic MI/R injury in clinical settings.
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Affiliation(s)
- Yonghong Xiong
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Yan Leng
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Wei Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Wenyuan Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Hao Tian
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Jie Tao
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Rong Chen
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Zhongyuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China.
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17
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Hang PZ, Liu J, Wang JP, Li FF, Li PF, Kong QN, Shi J, Ji HY, Du ZM, Zhao J. 7,8-Dihydroxyflavone alleviates cardiac fibrosis by restoring circadian signals via downregulating Bmal1/Akt pathway. Eur J Pharmacol 2022; 938:175420. [PMID: 36427535 DOI: 10.1016/j.ejphar.2022.175420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/09/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022]
Abstract
Brain-derived neurotrophic factor (BDNF)/tyrosine kinase receptor B (TrkB) pathway is a therapeutic target in cardiac diseases. A BDNF mimetic, 7,8-dihydroxyflavone (7,8-DHF), is emerging as a protective agent in cardiomyocytes; however, its potential role in cardiac fibroblasts (CFs) and fibrosis remains unknown. Thus, we aimed to explore the effects of 7,8-DHF on cardiac fibrosis and the possible mechanisms. Myocardial ischemia (MI) and transforming growth factor-β1 (TGF-β1) were used to establish models of cardiac fibrosis. Hematoxylin & eosin and Masson's trichrome stains were used for histological analysis and determination of collagen content in mouse myocardium. Cell viability kit, EdU (5-ethynyl-2'-deoxyuridine) assay and immunofluorescent stain were employed to examine the effects of 7,8-DHF on the proliferation and collagen production of CFs. The levels of collagen I, α-smooth muscle actin (α-SMA), TGF-β1, Smad2/3, and Akt as well as circadian rhythm-related signals including brain and muscle Arnt-like protein 1 (Bmal1), period 2 (Per2), and cryptochrome 2 (Cry2) were analyzed. Treatment with 7,8-DHF markedly alleviated cardiac fibrosis in MI mice. It inhibited the activity of CFs accompanied by decreasing number of EdU-positive cells and downregulation of collagen I, α-SMA, TGF-β1, and phosphorylation of Smad2/3. 7,8-DHF significantly restored the dysregulation of Bmal1, Per2, and Cry2, but inhibited the overactive Akt. Further, inhibition of Bmal1 by SR9009 effectively attenuated CFs proliferation and collagen production of CFs. In summary, these findings indicate that 7,8-DHF attenuates cardiac fibrosis and regulates circadian rhythmic signals, at least partly, by inhibiting Bmal1/Akt pathway, which may provide new insights into therapeutic cardiac remodeling.
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Affiliation(s)
- Peng-Zhou Hang
- Institute of Clinical Pharmacology, The Second Affiliated Hospital, Harbin Medical University, Harbin, 150086, China; Department of Pharmacy, Clinical Medical College, Yangzhou University, Northern Jiangsu People's Hospital, Yangzhou, 225001, China
| | - Jie Liu
- Institute of Clinical Pharmacology, The Second Affiliated Hospital, Harbin Medical University, Harbin, 150086, China
| | - Jia-Pan Wang
- Institute of Clinical Pharmacology, The Second Affiliated Hospital, Harbin Medical University, Harbin, 150086, China
| | - Feng-Feng Li
- Department of Pharmacology, Harbin Medical University, Harbin, 150081, China
| | - Pei-Feng Li
- Institute of Clinical Pharmacology, The Second Affiliated Hospital, Harbin Medical University, Harbin, 150086, China
| | - Qing-Nan Kong
- Department of Pharmacology, Harbin Medical University, Harbin, 150081, China
| | - Jing Shi
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Hong-Yu Ji
- Institute of Clinical Pharmacology, The Second Affiliated Hospital, Harbin Medical University, Harbin, 150086, China
| | - Zhi-Min Du
- Institute of Clinical Pharmacology, The Second Affiliated Hospital, Harbin Medical University, Harbin, 150086, China.
| | - Jing Zhao
- Department of Pharmacy, Clinical Medical College, Yangzhou University, Northern Jiangsu People's Hospital, Yangzhou, 225001, China; Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China.
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18
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Rev-erbs agonist SR9009 alleviates ischemia-reperfusion injury by heightening endogenous cardioprotection at onset of type-2 diabetes in rats: Down-regulating ferritinophagy/ferroptosis signaling. Biomed Pharmacother 2022; 154:113595. [PMID: 36029539 DOI: 10.1016/j.biopha.2022.113595] [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] [Received: 07/20/2022] [Revised: 08/17/2022] [Accepted: 08/19/2022] [Indexed: 01/13/2023] Open
Abstract
The complex progression of type-2 diabetes (T2DM) results in inconsistent findings on myocardial susceptibility to ischemia-reperfusion (IR). IR injuries in multiple organs interconnect with ferroptosis. Targeting Rev-erbs might limit ferroptosis, with increasing attention turning to the application of circadian medicine against IR injuries. However, whether the Rev-erbs agonist SR9009 could mitigate diabetic IR injury remains unknown. Here, we investigated the susceptibility to IR at onset of T2DM in rats and its potential association between SR9009 and ferritinophagy/ferroptosis signaling. Onset of T2DM model was induced with a high-fat diet and the intraperitoneal injection of a low dose of streptozotocin. Myocardial IR model was established as well. Rats' general characteristics, cardiac function, glycolipid profiles, serum biochemistry, apoptosis index (AI) and morphological histology were observed and analyzed. Western blot and immunofluorescence (IF) were employed to evaluate the expression of ferritinophagy/ferroptosis signaling and its co-localization. Glycolipid profiles and cardiac diastolic function were significantly impaired in diabetic rats. CK-MB, AI levels and ferritinophagy/ferroptosis-related proteins expression decreased towards myocardial IR in diabetic rats compared to non-diabetic rats'. The ferroptosis inducer Erastin up-regulated SOD, MDA, and AI levels, as well as the expression of ferritinophagy/ferroptosis-related proteins in diabetic rats towards IR. Treatment with SR9009 down-regulated the degree of myocardial injury and ferritinophagy/ferroptosis-related proteins expression compared to diabetic rats treated with or without Erastin. Onset of T2DM activated endogenous cardioprotection against the susceptibility to myocardial IR injury, and SR9009 exogenously enhanced this endogenous mechanism and alleviated myocardial IR injury at onset of T2DM by down-regulating ferritinophagy/ferroptosis signaling.
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19
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NADPH and Mitochondrial Quality Control as Targets for a Circadian-Based Fasting and Exercise Therapy for the Treatment of Parkinson's Disease. Cells 2022; 11:cells11152416. [PMID: 35954260 PMCID: PMC9367803 DOI: 10.3390/cells11152416] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/01/2022] [Accepted: 08/01/2022] [Indexed: 02/01/2023] Open
Abstract
Dysfunctional mitochondrial quality control (MQC) is implicated in the pathogenesis of Parkinson's disease (PD). The improper selection of mitochondria for mitophagy increases reactive oxygen species (ROS) levels and lowers ATP levels. The downstream effects include oxidative damage, failure to maintain proteostasis and ion gradients, and decreased NAD+ and NADPH levels, resulting in insufficient energy metabolism and neurotransmitter synthesis. A ketosis-based metabolic therapy that increases the levels of (R)-3-hydroxybutyrate (BHB) may reverse the dysfunctional MQC by partially replacing glucose as an energy source, by stimulating mitophagy, and by decreasing inflammation. Fasting can potentially raise cytoplasmic NADPH levels by increasing the mitochondrial export and cytoplasmic metabolism of ketone body-derived citrate that increases flux through isocitrate dehydrogenase 1 (IDH1). NADPH is an essential cofactor for nitric oxide synthase, and the nitric oxide synthesized can diffuse into the mitochondrial matrix and react with electron transport chain-synthesized superoxide to form peroxynitrite. Excessive superoxide and peroxynitrite production can cause the opening of the mitochondrial permeability transition pore (mPTP) to depolarize the mitochondria and activate PINK1-dependent mitophagy. Both fasting and exercise increase ketogenesis and increase the cellular NAD+/NADH ratio, both of which are beneficial for neuronal metabolism. In addition, both fasting and exercise engage the adaptive cellular stress response signaling pathways that protect neurons against the oxidative and proteotoxic stress implicated in PD. Here, we discuss how intermittent fasting from the evening meal through to the next-day lunch together with morning exercise, when circadian NAD+/NADH is most oxidized, circadian NADP+/NADPH is most reduced, and circadian mitophagy gene expression is high, may slow the progression of PD.
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Ji Y, Leng Y, Lei S, Qiu Z, Ming H, Zhang Y, Zhang A, Wu Y, Xia Z. The mitochondria-targeted antioxidant MitoQ ameliorates myocardial ischemia-reperfusion injury by enhancing PINK1/Parkin-mediated mitophagy in type 2 diabetic rats. Cell Stress Chaperones 2022; 27:353-367. [PMID: 35426609 PMCID: PMC9346044 DOI: 10.1007/s12192-022-01273-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/14/2022] [Accepted: 03/30/2022] [Indexed: 01/03/2023] Open
Abstract
Type 2 diabetic hearts are more vulnerable to myocardial ischemia reperfusion (MIR) injury, which involves decreased mitophagy status with unknown mechanisms. MitoQ, a mitochondria-targeted antioxidant, has been shown to have protection against ischemia reperfusion injury through upregulating mitophagy. The aim of this study was to investigate the effects of MitoQ on myocardium during MIR injury in type 2 diabetes (T2D). Herein, this study discovered that type 2 diabetic hearts with PINK1/Parkin downregulation suffered more MIR injury accompanied by reduced mitophagy. Treatment with MitoQ significantly decreased the levels of CK-MB, LDH, myocardial infarction, myocardial pathological damage, and cardiomyocytes apoptosis, while it improved cardiac function, mitophagy status, and PINK1/Parkin pathway in vivo study. Furthermore, MitoQ significantly reduced high glucose/high fat and hypoxia/reoxygenation induced injury in H9C2 cells as evidenced by reduced cardiomyocytes apoptosis and ROS production, and increased cell viability, the level of mitochondrial membrane potential, PINK1/Parkin expression. However, mitochondrial division inhibitor (mdivi-1), an inhibitor of mitophagy, reversed the improvement and protein expression levels of PINK1/Parkin pathway in vitro models. In conclusion, MIR induced more severe damage in T2D by reduction of mitophagy. MitoQ can confer cardioprotection following MIR in T2D by mitophagy up-regulation via PINK1/Parkin pathway.
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Affiliation(s)
- Yelong Ji
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Yan Leng
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Shaoqing Lei
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Zhen Qiu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Hao Ming
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Yi Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Aining Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Yang Wu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.
| | - Zhongyaun Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.
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21
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Moravcová S, Spišská V, Pačesová D, Hrubcová L, Kubištová A, Novotný J, Bendová Z. Circadian control of kynurenine pathway enzymes in the rat pineal gland, liver, and heart and tissue- and enzyme-specific responses to lipopolysaccharide. Arch Biochem Biophys 2022; 722:109213. [DOI: 10.1016/j.abb.2022.109213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/10/2022] [Accepted: 04/07/2022] [Indexed: 11/26/2022]
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22
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Ye P, Li W, Huang X, Zhao S, Chen W, Xia Y, Yu W, Rao T, Ning J, Zhou X, Ruan Y, Cheng F. BMAL1 regulates mitochondrial homeostasis in renal ischaemia-reperfusion injury by mediating the SIRT1/PGC-1α axis. J Cell Mol Med 2022; 26:1994-2009. [PMID: 35174626 PMCID: PMC8980910 DOI: 10.1111/jcmm.17223] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 01/26/2023] Open
Abstract
The regulation of renal function by circadian gene BMAL1 has been recently recognized; however, the role and mechanism of BMAL1 in renal ischaemia‐reperfusion injury (IRI) are still unknown. The purpose of this study was to clarify the pathophysiological role of BMAL1 in renal IRI. We measured the levels of BMAL1 and mitochondrial biogenesis‐related proteins, including SIRT1, PGC‐1α, NRF1 and TFAM, in rats with renal IRI. In rats, the level of BMAL1 decreased significantly, resulting in inhibition of SIRT1 expression and mitochondrial biogenesis. In addition, under hypoxia and reoxygenation (H/R) stimulation, BMAL1 knockdown decreased the level of SIRT1 and exacerbated the degree of mitochondrial damage and apoptosis. Overexpression of BMAL1 alleviated H/R‐induced injury. Furthermore, application of the SIRT1 inhibitor EX527 not only reduced the activities of SIRT1 and PGC‐1α but also further aggravated mitochondrial dysfunction and partially reversed the protective effect of BMAL1 overexpression. Moreover, whether in vivo or in vitro, the application of SIRT1 agonist resveratrol rescued the mitochondrial dysfunction caused by H/R or IRI by activating mitochondrial biogenesis. These results indicate that BMAL1 is a key circadian gene that mediates mitochondrial homeostasis in renal IRI through the SIRT1/PGC‐1α axis, which provides a new direction for targeted therapy for renal IRI.
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Affiliation(s)
- Peng Ye
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xin Huang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Sheng Zhao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wu Chen
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuqi Xia
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jinzhuo Ning
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiangjun Zhou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuan Ruan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
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23
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Xiang X, Dong G, Zhu J, Zhang G, Dong Z. Inhibition of HDAC3 protects against kidney cold storage/transplantation injury and allograft dysfunction. Clin Sci (Lond) 2022; 136:45-60. [PMID: 34918039 DOI: 10.1042/cs20210823] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 12/06/2021] [Accepted: 12/15/2021] [Indexed: 11/17/2022]
Abstract
Cold storage/rewarming is an inevitable process for kidney transplantation from deceased donors, which correlates closely with renal ischemia-reperfusion injury (IRI) and the occurrence of delayed graft function. Histone deacetylases (HDAC) are important epigenetic regulators, but their involvement in cold storage/rewarming injury in kidney transplantation is unclear. In the present study, we showed a dynamic change of HDAC3 in a mouse model of kidney cold storage followed by transplantation. We then demonstrated that the selective HDAC3 inhibitor RGFP966 could reduce acute tubular injury and cell death after prolonged cold storage with transplantation. RGFP966 also improved renal function, kidney repair and tubular integrity when the transplanted kidney became the sole life-supporting graft in the recipient mouse. In vitro, cold storage of proximal tubular cells followed by rewarming induced remarkable cell death, which was suppressed by RGFP966 or knockdown of HDAC3 with shRNA. Inhibition of HDAC3 decreased the mitochondrial pathway of apoptosis and preserved mitochondrial membrane potential. Collectively, HDAC3 plays a pathogenic role in cold storage/rewarming injury in kidney transplantation, and its inhibition may be a therapeutic option.
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Affiliation(s)
- Xiaohong Xiang
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital at Central South University, Changsha, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, GA, U.S.A
| | - Guie Dong
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, GA, U.S.A
| | - Jiefu Zhu
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital at Central South University, Changsha, China
- Center of Nephrology and Dialysis, Transplantation, Renmin Hospital of Wuhan University, Wuhan, China
| | - Gang Zhang
- Center of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, China
| | - Zheng Dong
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital at Central South University, Changsha, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, GA, U.S.A
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24
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Senesi P, Ferrulli A, Luzi L, Terruzzi I. Chrono-communication and cardiometabolic health: The intrinsic relationship and therapeutic nutritional promises. Front Endocrinol (Lausanne) 2022; 13:975509. [PMID: 36176473 PMCID: PMC9513421 DOI: 10.3389/fendo.2022.975509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
Circadian rhythm, an innate 24-h biological clock, regulates several mammalian physiological activities anticipating daily environmental variations and optimizing available energetic resources. The circadian machinery is a complex neuronal and endocrinological network primarily organized into a central clock, suprachiasmatic nucleus (SCN), and peripheral clocks. Several small molecules generate daily circadian fluctuations ensuring inter-organ communication and coordination between external stimuli, i.e., light, food, and exercise, and body metabolism. As an orchestra, this complex network can be out of tone. Circadian disruption is often associated with obesity development and, above all, with diabetes and cardiovascular disease onset. Moreover, accumulating data highlight a bidirectional relationship between circadian misalignment and cardiometabolic disease severity. Food intake abnormalities, especially timing and composition of meal, are crucial cause of circadian disruption, but evidence from preclinical and clinical studies has shown that food could represent a unique therapeutic approach to promote circadian resynchronization. In this review, we briefly summarize the structure of circadian system and discuss the role playing by different molecules [from leptin to ghrelin, incretins, fibroblast growth factor 21 (FGF-21), growth differentiation factor 15 (GDF15)] to guarantee circadian homeostasis. Based on the recent data, we discuss the innovative nutritional interventions aimed at circadian re-synchronization and, consequently, improvement of cardiometabolic health.
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Affiliation(s)
- Pamela Senesi
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Milan, Italy
| | - Anna Ferrulli
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Milan, Italy
| | - Livio Luzi
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Milan, Italy
| | - Ileana Terruzzi
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Milan, Italy
- *Correspondence: Ileana Terruzzi,
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25
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Lu C, Liu L, Chen S, Niu J, Li S, Xie W, Cheng X. Azathioprine pretreatment ameliorates myocardial ischaemia reperfusion injury in diabetic rats by reducing oxidative stress, apoptosis, and inflammation. Clin Exp Pharmacol Physiol 2021; 48:1621-1632. [PMID: 34370882 PMCID: PMC9291025 DOI: 10.1111/1440-1681.13569] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 08/03/2021] [Accepted: 08/05/2021] [Indexed: 12/24/2022]
Abstract
This study was presented to observe the therapeutic effects of azathioprine (AZA) pretreatment on myocardial ischaemia reperfusion (I/R) damage in diabetic rats. All rats were randomly separated into control + sham operation; control +I/R; diabetes mellitus (DM) +I/R and DM +I/R + AZA groups. Diabetic rat models were established by intraperitoneally injecting 60 mg/kg streptozotocin (STZ). Diabetic rats were given 3 mg/kg AZA daily by gavage for 5 days. Then, myocardial I/R rat models were constructed. Myocardial infarction size and myocardial damage were respectively detected by TTC and H&E staining. Cardiac injury markers (CK-MB and MPO) and oxidative stress factors (SOD and MDA) were measured via ELISA. The protein expression of apoptotic markers (Caspase8, Caspase3, BAX and Bcl2), inflammatory factors (TLR4 and TNF-α) and AKT1/GSK3β in myocardial tissues was measured by western blot, immunohistochemistry or immunofluorescence. Data showed that AZA pretreatment could lessen myocardial infarction size and myocardial damage, and could down-regulate serum CK-MB, MPO, SOD and MDA levels in diabetic rats under I/R. Furthermore, AZA pretreatment decreased Caspase8, Caspase3, BAX, TLR4 and TNF-α expression, and increased Bcl2 expression in myocardial tissues of diabetic rats following I/R. Also, AZA pretreatment lowered AKT1, p-AKT1, GSK3β and p-GSK3β expression in diabetic heart after I/R. This study found that AZA may reduce myocardial injury in diabetic rats following I/R via reducing oxidative stress, cardiomyocyte apoptosis, and inflammatory response, which could be related to AKT1/GSK3β pathway inactivation.
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Affiliation(s)
- Cuijie Lu
- Department of Basic MedicineSichuan Vocational College of Health and RehabilitationZigongChina
| | - Ling Liu
- Department of Basic MedicineSichuan Vocational College of Health and RehabilitationZigongChina
| | - Shuai Chen
- Department of Basic MedicineSichuan Vocational College of Health and RehabilitationZigongChina
| | - Junfei Niu
- Department of Basic MedicineSichuan Vocational College of Health and RehabilitationZigongChina
| | - Sheng Li
- Department of Basic MedicineSichuan Vocational College of Health and RehabilitationZigongChina
| | - Wenxian Xie
- Department of Basic MedicineSichuan Vocational College of Health and RehabilitationZigongChina
| | - Xiang Cheng
- Department of Basic MedicineSichuan Vocational College of Health and RehabilitationZigongChina
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26
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Yin Y, Shen H. Advances in Cardiotoxicity Induced by Altered Mitochondrial Dynamics and Mitophagy. Front Cardiovasc Med 2021; 8:739095. [PMID: 34616789 PMCID: PMC8488107 DOI: 10.3389/fcvm.2021.739095] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 08/27/2021] [Indexed: 11/25/2022] Open
Abstract
Mitochondria are the most abundant organelles in cardiac cells, and are essential to maintain the normal cardiac function, which requires mitochondrial dynamics and mitophagy to ensure the stability of mitochondrial quantity and quality. When mitochondria are affected by continuous injury factors, the balance between mitochondrial dynamics and mitophagy is broken. Aging and damaged mitochondria cannot be completely removed in cardiac cells, resulting in energy supply disorder and accumulation of toxic substances in cardiac cells, resulting in cardiac damage and cardiotoxicity. This paper summarizes the specific underlying mechanisms by which various adverse factors interfere with mitochondrial dynamics and mitophagy to produce cardiotoxicity and emphasizes the crucial role of oxidative stress in mitophagy. This review aims to provide fresh ideas for the prevention and treatment of cardiotoxicity induced by altered mitochondrial dynamics and mitophagy.
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Affiliation(s)
- Yiyuan Yin
- Department of Emergency Medicine, ShengJing Hospital of China Medical University, Shenyang, China
| | - Haitao Shen
- Department of Emergency Medicine, ShengJing Hospital of China Medical University, Shenyang, China
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27
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Ning L, Rui X, Bo W, Qing G. The critical roles of histone deacetylase 3 in the pathogenesis of solid organ injury. Cell Death Dis 2021; 12:734. [PMID: 34301918 PMCID: PMC8302660 DOI: 10.1038/s41419-021-04019-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 02/07/2023]
Abstract
Histone deacetylase 3 (HDAC3) plays a crucial role in chromatin remodeling, which, in turn, regulates gene transcription. Hence, HDAC3 has been implicated in various diseases, including ischemic injury, fibrosis, neurodegeneration, infections, and inflammatory conditions. In addition, HDAC3 plays vital roles under physiological conditions by regulating circadian rhythms, metabolism, and development. In this review, we summarize the current knowledge of the physiological functions of HDAC3 and its role in organ injury. We also discuss the therapeutic value of HDAC3 in various diseases.
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Affiliation(s)
- Li Ning
- grid.412632.00000 0004 1758 2270Department of Thoracic Surgery, Renmin Hospital of Wuhan University, 430060 Wuhan, China
| | - Xiong Rui
- grid.412632.00000 0004 1758 2270Department of Thoracic Surgery, Renmin Hospital of Wuhan University, 430060 Wuhan, China
| | - Wang Bo
- grid.412632.00000 0004 1758 2270Department of Thoracic Surgery, Renmin Hospital of Wuhan University, 430060 Wuhan, China
| | - Geng Qing
- grid.412632.00000 0004 1758 2270Department of Thoracic Surgery, Renmin Hospital of Wuhan University, 430060 Wuhan, China
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28
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Yang Z, Su W, Zhang Y, Zhou L, Xia ZY, Lei S. Selective inhibition of PKCβ2 improves Caveolin-3/eNOS signaling and attenuates lipopolysaccharide-induced injury by inhibiting autophagy in H9C2 cardiomyocytes. J Mol Histol 2021; 52:705-715. [PMID: 34105058 DOI: 10.1007/s10735-021-09990-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 06/02/2021] [Indexed: 12/13/2022]
Abstract
Lipopolysaccharide (LPS)-induced autophagy is involved in sepsis-associated myocardial injury with increased PKCβ2 activation. We previously found hyperglycemia-induced PKCβ2 activation impaired the expression of caveolin-3 (Cav-3), the dominant isoform to form cardiomyocytes caveolae which modulate eNOS signaling to confer cardioprotection in diabetes. However, little is known about the roles of PKCβ2 in autophagy and Cav-3/eNOS signaling in cardiomyocytes during LPS exposure. We hypothesize LPS-induced PKCβ2 activation promotes autophagy and impairs Cav-3/eNOS signaling in LPS-treated cardiomyocytes. H9C2 cardiomyocytes were treated with LPS (10 µg/mL) in the presence or absence of PKCβ2 inhibitor CGP53353 (CGP, 1 µM) or autophagy inhibitor 3-methyladenine (3-MA, 10 µM). LPS stimulation induced cytotoxicity overtime in H9C2 cardiomyocytes, accompanied with excessive PKCβ2 activation. Selective inhibition of PKCβ2 with CGP significantly reduced LPS-induced cytotoxicity and autophagy (measured by LC-3II, Beclin-1, p62 and autophagic flux). In addition, CGP significantly attenuated LPS-induced oxidative injury, and improved Cav-3 expression and eNOS activation, similar effects were shown by the treatment of autophagy inhibitor 3-MA. LPS-induced myocardial injury is associated with excessive PKCβ2 activation, which contributes to elevated autophagy and impaired Cav-3/eNOS signaling. Selective inhibition of PKCβ2 improves Cav-3/eNOS signaling and attenuates LPS-induced injury through inhibiting autophagy in H9C2 cardiomyocytes.
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Affiliation(s)
- Zhou Yang
- Department of Anaesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wating Su
- Department of Anaesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuan Zhang
- Department of Anaesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lu Zhou
- Department of Anaesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhong-Yuan Xia
- Department of Anaesthesiology, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Shaoqing Lei
- Department of Anaesthesiology, Renmin Hospital of Wuhan University, Wuhan, China.
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29
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Chen R, Li W, Qiu Z, Zhou Q, Zhang Y, Li WY, Ding K, Meng QT, Xia ZY. Ischemic Postconditioning-Mediated DJ-1 Activation Mitigate Intestinal Mucosa Injury Induced by Myocardial Ischemia Reperfusion in Rats Through Keap1/Nrf2 Pathway. Front Mol Biosci 2021; 8:655619. [PMID: 33996908 PMCID: PMC8119885 DOI: 10.3389/fmolb.2021.655619] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/12/2021] [Indexed: 01/23/2023] Open
Abstract
Intestinal mucosal barrier dysfunction induced by myocardial ischemia reperfusion (IR) injury often leads to adverse cardiovascular outcomes after myocardial infarction. Early detection and prevention of remote intestinal injury following myocardial IR may help to estimate and improve prognosis after acute myocardial infarction (AMI). This study investigated the protective effect of myocardial ischemic postconditioning (IPo) on intestinal barrier injury induced by myocardial IR and the underlying cellular signaling mechanisms with a focus on the DJ-1. Adult SD rats were subjected to unilateral myocardial IR with or without ischemic postconditioning. After 30 min of ischemia and 120 min of reperfusion, heart tissue, intestine, and blood were collected for subsequent examination. The outcome measures were (i) intestinal histopathology, (ii) intestinal barrier function and inflammatory responses, (iii) apoptosis and oxidative stress, and (iv) cellular signaling changes. IPo significantly attenuated intestinal injury induced by myocardial IR. Furthermore, IPo significantly increased DJ-1, nuclear Nrf2, NQO1, and HO-1 expression in the intestine and inhibited IR-induced apoptosis and oxidative stress. The protective effect of IPo was abolished by the knockdown of DJ-1. Conversely, the overexpression of DJ-1 provided a protective effect similar to that of IPo. Our data indicate that IPo protects the intestine against myocardial IR, which is likely mediated by the upregulation of DJ-1/Nrf2 pathway.
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Affiliation(s)
- Rong Chen
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhen Qiu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qin Zhou
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuan Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wen-Yuan Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ke Ding
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qing-Tao Meng
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhong-Yuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
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30
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Frase S, Kaiser S, Steimer M, Selzner L, Foit NA, Niesen WD, Schallner N. Patients with Subarachnoid Hemorrhage Exhibit Disturbed Expression Patterns of the Circadian Rhythm Gene Period-2. Life (Basel) 2021; 11:life11020124. [PMID: 33562664 PMCID: PMC7915417 DOI: 10.3390/life11020124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 01/27/2021] [Accepted: 02/01/2021] [Indexed: 12/12/2022] Open
Abstract
Circadian rhythm gene expression in cerebral pacemaker regions is regulated by a transcriptional-translational feedback loop across the 24-h day-night cycle. In preclinical models of subarachnoid hemorrhage (SAH), cyclic gene expression is disrupted. Stabilization of circadian rhythm gene expression attenuates susceptibility to ischemic damage in both neuronal and myocardial tissues. In this clinical observational study, circadian rhythm gene Period-2 (Per2) mRNA expression levels were determined from blood leukocytes and cerebrospinal fluid (CSF) cells via real-time PCR on days 1, 7 and 14 after aneurysm rupture in 49 patients with spontaneous SAH. CSF Per2 expression was markedly suppressed immediately after SAH and remained suppressed over the course of two weeks of ICU treatment. Short-term mortality as well as occurrence of delirium was associated with greater extent of Per2 suppression on day 1 after SAH. Patients that developed delayed cerebral ischemia exhibited comparatively lower Per2 expression levels on day 7 after SAH, while presence of vasospasm remained unaffected. However, Per2 expression did not differ in patient groups with favourable or non-favourable functional neurological outcome (modified Rankin Scales 1–3 vs. 4–6). While our findings suggest a potential protective effect of stable circadian rhythm gene expression on the extent of ischemic damage, this effect was confined to the early disease course and was not reflected in patients’ functional neurological outcome.
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Affiliation(s)
- Sibylle Frase
- Department of Neurology and Neuroscience, Medical Center—University of Freiburg, 79106 Freiburg, Germany;
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Correspondence:
| | - Sandra Kaiser
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Matti Steimer
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Lisa Selzner
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Niels Alexander Foit
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Neurosurgery, Medical Center—University of Freiburg, 79106 Freiburg, Germany
| | - Wolf-Dirk Niesen
- Department of Neurology and Neuroscience, Medical Center—University of Freiburg, 79106 Freiburg, Germany;
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
| | - Nils Schallner
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (S.K.); (M.S.); (L.S.); (N.A.F.); (N.S.)
- Department of Anesthesiology and Critical Care, Medical Center—University of Freiburg, 79106 Freiburg, Germany
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