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Wang J, Liu P, Lin Y, Zhang X, Lin L, Wu F, Fu Y, Wu D, Ren X, Huang H, Yang X, Liu J. The role of mitochondrial dysfunction in the association between trace metals and QTc prolongation in the aged population. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 953:175791. [PMID: 39216753 DOI: 10.1016/j.scitotenv.2024.175791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 08/08/2024] [Accepted: 08/23/2024] [Indexed: 09/04/2024]
Abstract
This study delves into the relationship between environmental metal exposure and QT interval corrected for heart rate (QTc) prolongation, a critical marker for cardiovascular risk in the elderly. Although the interplay between metal exposure and QTc prolongation is important for predicting sudden cardiac death, it remains underexplored. Our analysis of 6478 participants from the Shenzhen aging-related disorder cohort involved measuring urinary concentrations of 22 trace metals and using mitochondrial DNA copy number (mtDNA-CN) as an indicator of mitochondrial dysfunction. Utilizing Bayesian kernel machine regression, and structural equation modeling, we assessed the effects of mixed trace metals on QTc prolongation. Our findings indicated a direct association between certain metals (Sb, Cu, Zn) and a 7 % increase in QTc prolongation risk, while Li, V, and Rb were associated with a 5 % reduction in risk. Elevated levels of V, Ti, and Cr corresponded to higher mtDNA-CN. Notably, restricted cubic splines revealed a U-shaped, nonlinear relationship between mtDNA-CN and QTc prolongation. After adjusting for metal exposure, an inverse correlation was observed between mtDNA-CN and QTc prolongation, suggesting mitochondrial dysfunction as a partial mediator.
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Affiliation(s)
- Jiahui Wang
- School of Public Health, Guangdong Medical University, Dongguan, China; Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Peiyi Liu
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Yankui Lin
- Food Inspection and Quarantine Center, Shenzhen Customs, Shenzhen, China
| | - Xia Zhang
- School of Public Health, Guangdong Medical University, Dongguan, China; Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Lingling Lin
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Fengqi Wu
- Food Inspection and Quarantine Center, Shenzhen Customs, Shenzhen, China
| | - Ying Fu
- Community Health Service Management Center, Shenzhen Luohu Hospital Group, Shenzhen, China
| | - Desheng Wu
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Xiaohu Ren
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Haiyan Huang
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Xifei Yang
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Jianjun Liu
- School of Public Health, Guangdong Medical University, Dongguan, China; Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China.
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Li X, Liu X, Chen X, Wang Y, Wu S, Li F, Su Y, Chen L, Xiao J, Ma J, Qin P. Leukocyte mitochondrial DNA copy number and cardiovascular disease: A systematic review and meta-analysis of cohort studies. iScience 2024; 27:110522. [PMID: 39220264 PMCID: PMC11363494 DOI: 10.1016/j.isci.2024.110522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 05/10/2024] [Accepted: 07/12/2024] [Indexed: 09/04/2024] Open
Abstract
Increasing cohort studies have examined the link between mitochondrial DNA copy number (mtDNA-CN) and cardiovascular disease (CVD), with inconsistent findings. We searched PubMed, EMBASE, and Web of Science up to July 11, 2023 and used a random-effects model to calculate summary hazard ratios (HRs) and 95% confidence intervals (CIs). This systematic review and meta-analysis included 8 articles encompassing 29 studies with 646,398 participants. Individuals with the lowest mtDNA-CN had a summary HR of 1.27 (95% CI 1.02-1.59) for CVD, 1.18 (95% CI 0.92-1.50) for coronary heart disease (CHD), 1.10 (95% CI 0.89-1.37) for stroke, and 1.30 (95% CI 1.07-1.56) for heart failure (HF). Decreased mtDNA-CN is linked to an increased risk of CVD and HF but not CHD and stroke. These findings suggest mtDNA-CN from leukocytes may be a potential early biomarker for CVD. However, more prospective studies with long follow-up are needed.
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Affiliation(s)
- Xinying Li
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Xiaoning Liu
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaojuan Chen
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Yanqi Wang
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Shuning Wu
- Department of Thyroid and Breast Surgery, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, China
| | - Fengjuan Li
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Yuhao Su
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Lifang Chen
- Department of Cardiovascular Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen 518000, Guangdong, China
| | - Jian Xiao
- Department of Cardiovascular Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen 518000, Guangdong, China
| | - Jianping Ma
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
| | - Pei Qin
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
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Artner T, Sharma S, Lang IM. Nucleic acid liquid biopsies in cardiovascular disease: Cell-free DNA liquid biopsies in cardiovascular disease. Atherosclerosis 2024:118583. [PMID: 39353793 DOI: 10.1016/j.atherosclerosis.2024.118583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 08/15/2024] [Accepted: 08/29/2024] [Indexed: 10/04/2024]
Abstract
Cardiovascular disease (CVD) is the leading cause of death worldwide, and despite treatment efforts, cardiovascular function cannot always be restored, and progression of disease be prevented. Critical insights are oftentimes based on tissue samples. Current knowledge of tissue pathology typically relies on invasive biopsies or postmortem samples. Liquid biopsies, which assess circulating mediators to deduce the histology and pathology of distant tissues, have been advancing rapidly in cancer research and offer a promising approach to be translated to the understanding and treatment of CVD. The widely understood elevations in cell-free DNA during acute and chronic cardiovascular conditions, associate with disease, severity, and offer prognostic value. The role of neutrophil extracellular traps (NETs) and circulating nucleases in thrombosis provide a solid rationale for liquid biopsies in CVD. cfDNA originates from various tissue types and cellular sources, including mitochondria and nuclei, and can be used to trace cell and tissue type lineage, as well as to gain insight into the activation status of cells. This article discusses the origin, structure, and potential utility of cfDNA, offering a deeper and less invasive approach for the understanding of the complexities of CVD.
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Affiliation(s)
- Tyler Artner
- Department of Internal Medicine II, Cardiology, Medical University of Vienna, Austria.
| | - Smriti Sharma
- Department of Internal Medicine II, Cardiology, Medical University of Vienna, Austria
| | - Irene M Lang
- Department of Internal Medicine II, Cardiology, Medical University of Vienna, Austria.
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Yu F, Yang L, Zhang R, Hu F, Yuan Y, Wang Z, Yang W. Low levels of supercoiled mitochondrial DNA are involved in heart failure induced by transverse aortic constriction in mice via an inflammatory response mediated by ZBP1. Exp Cell Res 2024; 442:114187. [PMID: 39069152 DOI: 10.1016/j.yexcr.2024.114187] [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: 05/12/2024] [Revised: 07/02/2024] [Accepted: 07/25/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND Inflammation in the myocardium plays a critical role in cardiac remodeling and the pathophysiology of heart failure (HF). Previous studies have shown that mitochondrial DNA (mtDNA) can exist in different topological forms. However, the specific influence of the ratio of supercoiled/relaxed mtDNA on the inflammatory response in cardiomyocytes remains poorly understood. The aim of this study was to elucidate the differential effects of different mtDNA types on cardiomyocyte inflammation through regulation of ZBP1. MATERIALS AND METHODS A mouse model of HF was established by transverse aortic constriction (TAC) or doxorubicin (Doxo) induction. Histopathological changes were assessed by HE staining. ELISA was used to measure cytokine levels (IL-1β and IL-6). Southern blot analysis was performed to examine the different topology of mtDNA. Pearson correlation analysis was used to determine the correlation between the ratio of supercoiled/relaxed mtDNA and inflammatory cytokines. Reverse transcription quantitative PCR (RT-qPCR) was used to measure the mRNA expression levels of cytokines (IL-1β, IL-6) and Dloop, as an mtDNA marker. RESULTS The ratio of supercoiled to relaxed mtDNA was significantly increased in the myocardium of Doxo-induced mice, whereas no significant changes were observed in TAC-induced mice. The levels of IL-1β and IL-6 were positively correlated with the cytoplasmic mtDNA supercoiled/relaxed circle ratio. Different mtDNA topology has different effects on inflammatory pathways. Low supercoiled mtDNA primarily activates the NF-κB (Ser536) pathway via ZBP1, whereas high supercoiled mtDNA significantly affects the STAT1 and STAT2 pathways. The RIPK3-NF-κB pathway, as a downstream target of ZBP1, mediates the inflammatory response induced by low supercoiled mtDNA. Knockdown of TLR9 enhances the expression of ZBP1, p-NF-κB, and RIPK3 in cardiomyocytes treated with low supercoiled mtDNA, indicating the involvement of TLR9 in the anti-inflammatory role of ZBP1 in low supercoiled mtDNA-induced inflammation. CONCLUSION Different ratios of supercoiled to relaxed mtDNA influence the inflammatory response of cardiomyocytes and contribute to HF through the involvement of ZBP1. ZBP1, together with its downstream inflammatory mechanisms, mediates the inflammatory response induced by a low ratio of supercoiled mtDNA.
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Affiliation(s)
- Fan Yu
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Lu Yang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Rongjie Zhang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Fajia Hu
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Yong Yuan
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Zixu Wang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Wei Yang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China.
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5
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Zielke C, Nielsen JE, Lin JS, Barron AE. Between good and evil: Complexation of the human cathelicidin LL-37 with nucleic acids. Biophys J 2024; 123:1316-1328. [PMID: 37919905 PMCID: PMC11163296 DOI: 10.1016/j.bpj.2023.10.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/23/2023] [Accepted: 10/31/2023] [Indexed: 11/04/2023] Open
Abstract
The innate immune system provides a crucial first line of defense against invading pathogens attacking the body. As the only member of the human cathelicidin family, the antimicrobial peptide LL-37 has been shown to have antiviral, antifungal, and antibacterial properties. In complexation with nucleic acids, LL-37 is suggested to maintain its beneficial health effects while also acting as a condensation agent for the nucleic acid. Complexes formed by LL-37 and nucleic acids have been shown to be immunostimulatory with a positive impact on the human innate immune system. However, some studies also suggest that in some circumstances, LL-37/nucleic acid complexes may be a contributing factor to autoimmune disorders such as psoriasis and systemic lupus erythematosus. This review provides a comprehensive discussion of research highlighting the beneficial health effects of LL-37/nucleic acid complexes, as well as discussing observed detrimental effects. We will emphasize why it is important to investigate and elucidate structural characteristics, such as condensation patterns of nucleic acids within complexation, and their mechanisms of action, to shed light on the intricate physiological effects of LL-37 and the seemingly contradictory role of LL-37/nucleic acid complexes in the innate immune response.
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Affiliation(s)
- Claudia Zielke
- Department of Bioengineering, Stanford University, Schools of Medicine and of Engineering, Stanford, California
| | - Josefine Eilsø Nielsen
- Department of Bioengineering, Stanford University, Schools of Medicine and of Engineering, Stanford, California; Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Jennifer S Lin
- Department of Bioengineering, Stanford University, Schools of Medicine and of Engineering, Stanford, California
| | - Annelise E Barron
- Department of Bioengineering, Stanford University, Schools of Medicine and of Engineering, Stanford, California.
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Osei Baah F, Sharda S, Davidow K, Jackson S, Kernizan D, Jacobs JA, Baumer Y, Schultz CL, Baker-Smith CM, Powell-Wiley TM. Social Determinants of Health in Cardio-Oncology: Multi-Level Strategies to Overcome Disparities in Care: JACC: CardioOncology State-of-the-Art Review. JACC CardioOncol 2024; 6:331-346. [PMID: 38983377 PMCID: PMC11229550 DOI: 10.1016/j.jaccao.2024.02.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/20/2024] [Accepted: 02/27/2024] [Indexed: 07/11/2024] Open
Abstract
Addressing the need for more equitable cardio-oncology care requires attention to existing disparities in cardio-oncologic disease prevention and outcomes. This is particularly important among those affected by adverse social determinants of health (SDOH). The intricate relationship of SDOH, cancer diagnosis, and outcomes from cardiotoxicities associated with oncologic therapies is influenced by sociopolitical, economic, and cultural factors. Furthermore, mechanisms in cell signaling and epigenetic effects on gene expression link adverse SDOH to cancer and the CVD-related complications of oncologic therapies. To mitigate these disparities, a multifaceted strategy is needed that includes attention to health care access, policy, and community engagement for improved disease screening and management. Interdisciplinary teams must also promote cultural humility and competency and leverage new health technology to foster collaboration in addressing the impact of adverse SDOH in cardio-oncologic outcomes.
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Affiliation(s)
- Foster Osei Baah
- Social Determinants of Obesity and Cardiovascular Risk Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
- Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia, USA
| | - Sonal Sharda
- Social Determinants of Obesity and Cardiovascular Risk Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Kimberly Davidow
- Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders, Nemours Children's Hospital, Delaware, Wilmington, Delaware, USA
| | - Sadhana Jackson
- Pediatric Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
- Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA
| | - Daphney Kernizan
- Preventive Cardiology Program, Cardiac Center, Nemours Children's Health, Panama City, Florida, USA
- College of Medicine, University of Central Florida, Orlando, Florida, USA
| | - Joshua A Jacobs
- Department of Population Health Sciences, Spencer Fox Eccles School of Medicine, University of Utah, Salt Lake City, Utah, USA
| | - Yvonne Baumer
- Social Determinants of Obesity and Cardiovascular Risk Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Corinna L Schultz
- Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders, Nemours Children's Hospital, Delaware, Wilmington, Delaware, USA
| | - Carissa M Baker-Smith
- Preventive Cardiology Program, Cardiac Center, Nemours Children's Health, Wilmington, Delaware, USA
| | - Tiffany M Powell-Wiley
- Social Determinants of Obesity and Cardiovascular Risk Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
- Intramural Research Program, National Institute on Minority Health Disparities, National Institutes of Health, Bethesda, Maryland, USA
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7
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Gu X, Chen Y, Cao K, Tu M, Liu W, Ju J. Therapeutic landscape in systemic lupus erythematosus: mtDNA activation of the cGAS-STING pathway. Int Immunopharmacol 2024; 133:112114. [PMID: 38652968 DOI: 10.1016/j.intimp.2024.112114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 04/25/2024]
Abstract
Mitochondrial DNA (mtDNA) serves as a pivotal immune stimulus in the immune response. During stress, mitochondria release mtDNA into the cytoplasm, where it is recognized by the cytoplasmic DNA receptor cGAS. This activation initiates the cGAS-STING-IRF3 pathway, culminating in an inflammatory response. The cGAS-STING pathway has emerged as a critical mediator of inflammatory responses in microbial infections, stress, autoimmune diseases, chronic illnesses, and tissue injuries. Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by connective tissue involvement across various bodily systems. Its hallmark is the production of numerous autoantibodies, which prompt the immune system to target and damage the body's own tissues, resulting in organ and tissue damage. Increasing evidence implicates the cGAS-STING pathway as a significant contributor to SLE pathogenesis. This article aims to explore the role of the mtDNA-triggered cGAS-STING pathway and its mechanisms in SLE, with the goal of providing novel insights for clinical interventions.
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Affiliation(s)
- Xiaotian Gu
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang 261053, China
| | - Yong Chen
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang 261053, China
| | - Kunyu Cao
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang 261053, China
| | - Miao Tu
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang 261053, China
| | - Wan Liu
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang 261053, China.
| | - Jiyu Ju
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang 261053, China.
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8
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Napiórkowska-Mastalerz M, Wybranowski T, Bosek M, Kruszewski S, Rhone P, Ruszkowska-Ciastek B. A Preliminary Evaluation of Advanced Oxidation Protein Products (AOPPs) as a Potential Approach to Evaluating Prognosis in Early-Stage Breast Cancer Patients and Its Implication in Tumour Angiogenesis: A 7-Year Single-Centre Study. Cancers (Basel) 2024; 16:1068. [PMID: 38473424 DOI: 10.3390/cancers16051068] [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: 01/23/2024] [Revised: 02/28/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
Breast cancer (BrC) is a highly prevalent tumour among women. The high incidence and mortality rate of BrC prompts researchers to search for new markers that will provide information on the possible impact of the therapy on the risk of cancer-related events. This study aimed to investigate whether the level of advanced oxidation protein products (AOPPs) may have a potential impact on disease-free (DFS) and overall survival (OS) in BrC patients with early-stage cancer. Additionally, we tried to assess the relationship between AOPPs and angiogenic parameters. In this study, the pre- and post-treatment AOPP levels were examined in the serum of 70 newly diagnosed BrC women. The receiver operating characteristic curve identified pre- and post-treatment AOPPs to be above 9.37 μM and 10.39 μM, respectively, as the best cut-off values to predict the risk of cancer relapse. Additionally, Kaplan-Meier survival analysis indicated that pre- and post-treatment AOPPs above 9.37 μM and 10.39 μM were associated with significantly poorer OS. The uni- and multivariate Cox regression analysis highlighted that lower levels of pre- and post-treatment AOPPs were associated with a longer duration without relapse or cancer-related death. A positive correlation between concentrations of pre-treatment AOPPs and vascular endothelial growth factor A, and negative correlations with levels of soluble forms of vascular endothelial growth factor receptor type 1 and 2, were found. In conclusion, AOPPs appear to have an important role in predicting cancer-related events and may potentially serve as a simple prognostic marker in clinical practice.
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Affiliation(s)
- Marta Napiórkowska-Mastalerz
- Department of Biophysics, Faculty of Pharmacy, Nicolaus Copernicus University, Collegium Medicum, 85-067 Bydgoszcz, Poland
| | - Tomasz Wybranowski
- Department of Biophysics, Faculty of Pharmacy, Nicolaus Copernicus University, Collegium Medicum, 85-067 Bydgoszcz, Poland
| | - Maciej Bosek
- Department of Biophysics, Faculty of Pharmacy, Nicolaus Copernicus University, Collegium Medicum, 85-067 Bydgoszcz, Poland
| | - Stefan Kruszewski
- Department of Biophysics, Faculty of Pharmacy, Nicolaus Copernicus University, Collegium Medicum, 85-067 Bydgoszcz, Poland
| | - Piotr Rhone
- Clinical Ward of Breast Cancer and Reconstructive Surgery, Oncology Centre Prof. F. Łukaszczyk Memorial Hospital, 85-796 Bydgoszcz, Poland
| | - Barbara Ruszkowska-Ciastek
- Department of Pathophysiology, Faculty of Pharmacy, Nicolaus Copernicus University, Collegium Medicum, 85-094 Bydgoszcz, Poland
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9
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Romero-Becera R, Santamans AM, Arcones AC, Sabio G. From Beats to Metabolism: the Heart at the Core of Interorgan Metabolic Cross Talk. Physiology (Bethesda) 2024; 39:98-125. [PMID: 38051123 DOI: 10.1152/physiol.00018.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/26/2023] [Accepted: 12/01/2023] [Indexed: 12/07/2023] Open
Abstract
The heart, once considered a mere blood pump, is now recognized as a multifunctional metabolic and endocrine organ. Its function is tightly regulated by various metabolic processes, at the same time it serves as an endocrine organ, secreting bioactive molecules that impact systemic metabolism. In recent years, research has shed light on the intricate interplay between the heart and other metabolic organs, such as adipose tissue, liver, and skeletal muscle. The metabolic flexibility of the heart and its ability to switch between different energy substrates play a crucial role in maintaining cardiac function and overall metabolic homeostasis. Gaining a comprehensive understanding of how metabolic disorders disrupt cardiac metabolism is crucial, as it plays a pivotal role in the development and progression of cardiac diseases. The emerging understanding of the heart as a metabolic and endocrine organ highlights its essential contribution to whole body metabolic regulation and offers new insights into the pathogenesis of metabolic diseases, such as obesity, diabetes, and cardiovascular disorders. In this review, we provide an in-depth exploration of the heart's metabolic and endocrine functions, emphasizing its role in systemic metabolism and the interplay between the heart and other metabolic organs. Furthermore, emerging evidence suggests a correlation between heart disease and other conditions such as aging and cancer, indicating that the metabolic dysfunction observed in these conditions may share common underlying mechanisms. By unraveling the complex mechanisms underlying cardiac metabolism, we aim to contribute to the development of novel therapeutic strategies for metabolic diseases and improve overall cardiovascular health.
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Affiliation(s)
| | | | - Alba C Arcones
- Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
- Centro Nacional de Investigaciones Oncológicas, Madrid, Spain
| | - Guadalupe Sabio
- Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
- Centro Nacional de Investigaciones Oncológicas, Madrid, Spain
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10
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Chirathanaphirom S, Chuammitri P, Pongkan W, Manachai N, Chantawong P, Boonsri B, Boonyapakorn C. Differences in Levels of Mitochondrial DNA Content at Various Stages of Canine Myxomatous Mitral Valve Disease. Animals (Basel) 2023; 13:3850. [PMID: 38136887 PMCID: PMC10740553 DOI: 10.3390/ani13243850] [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: 10/18/2023] [Revised: 12/04/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
Myxomatous mitral valve disease (MMVD) is the most common heart disease in small-breed dogs, often leading to heart failure. Oxidative stress in MMVD can harm mitochondria, decreasing their DNA content. This study assesses dogs' oxidative stress and mitochondrial DNA at different MMVD stages. Fifty-five small-breed dogs were categorized into four groups, including: A-healthy (n = 15); B-subclinical (n = 15); C-heart failure (n = 15); and D-end-stage MMVD (n = 10). Serum malondialdehyde (MDA) and mitochondrial DNA in peripheral blood were analyzed. Quantitative real-time PCR measured mitochondrial DNA, and PCR data were analyzed via the fold-change Ct method. Serum MDA levels were assessed using competitive high-performance liquid chromatography (HPLC). Mitochondrial DNA was significantly lower in group B (-0.89 ± 2.82) than in group A (1.50 ± 2.01), but significantly higher in groups C (2.02 ± 1.44) and D (2.77 ± 1.76) than B. MDA levels were notably elevated in groups B (19.07 ± 11.87 µg/mL), C (23.41 ± 12.87 μg/mL), and D (19.72 ± 16.81 μg/mL) in comparison to group A (9.37 ± 4.67 μg/mL). Nevertheless, this observed difference did not reach statistical significance. It is noteworthy that mitochondrial DNA content experiences a decline during the subclinical stage but undergoes an increase in cases of heart failure. Concurrently, oxidative stress exhibits an upward trend in dogs with MMVD. These findings collectively suggest a potential association between mitochondrial DNA, oxidative stress, and the progression of MMVD in small-breed dogs.
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Affiliation(s)
- Suphakan Chirathanaphirom
- Cardiopulmonary Clinic, Small Animal Hospital, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.C.); (W.P.)
| | - Phongsakorn Chuammitri
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand; (P.C.); (N.M.); (P.C.); (B.B.)
- Research Center for Veterinary Biosciences and Veterinary Public Health, Chiang Mai 50100, Thailand
| | - Wanpitak Pongkan
- Cardiopulmonary Clinic, Small Animal Hospital, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.C.); (W.P.)
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand; (P.C.); (N.M.); (P.C.); (B.B.)
- Research Center for Veterinary Biosciences and Veterinary Public Health, Chiang Mai 50100, Thailand
| | - Nawin Manachai
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand; (P.C.); (N.M.); (P.C.); (B.B.)
- Research Center for Veterinary Biosciences and Veterinary Public Health, Chiang Mai 50100, Thailand
| | - Pinkarn Chantawong
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand; (P.C.); (N.M.); (P.C.); (B.B.)
- Research Center for Veterinary Biosciences and Veterinary Public Health, Chiang Mai 50100, Thailand
| | - Burin Boonsri
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand; (P.C.); (N.M.); (P.C.); (B.B.)
- Research Center for Veterinary Biosciences and Veterinary Public Health, Chiang Mai 50100, Thailand
| | - Chavalit Boonyapakorn
- Cardiopulmonary Clinic, Small Animal Hospital, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (S.C.); (W.P.)
- Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand; (P.C.); (N.M.); (P.C.); (B.B.)
- Research Center for Veterinary Biosciences and Veterinary Public Health, Chiang Mai 50100, Thailand
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11
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Mishra PK, Kaur P. Mitochondrial biomarkers for airborne particulate matter–associated cardiovascular diseases. CURRENT OPINION IN ENVIRONMENTAL SCIENCE & HEALTH 2023; 35:100494. [DOI: 10.1016/j.coesh.2023.100494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
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12
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Tang N, Ren YY, Wu HT, Lv XT, Liu XT, Li QL, Wang GE, Wu YH. Specnuezhenide ameliorates ultraviolet-induced skin photoaging in mice by regulating the Sirtuin 3/8-Oxoguanine DNA glycosylase signal. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2023; 39:478-486. [PMID: 37147870 DOI: 10.1111/phpp.12880] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/22/2023] [Accepted: 04/22/2023] [Indexed: 05/07/2023]
Abstract
PURPOSE Ultraviolet-induced skin photoaging was involved in DNA oxidative damage. Specnuezhenide, one of the secoiridoids extracted from Ligustri Lucidi Fructus, possesses antioxidant and anti-inflammatory effects. Whether specnuezhenide ameliorates skin photoaging remains unclear. This study aimed to investigate the effect of specnuezhenide on skin photoaging induced by ultraviolet and explore the underlying mechanism. METHODS Mice were employed to treat with ultraviolet to induce skin photoaging, then administrated 10 and 20 mg/kg of specnuezhenide. Histological analysis, protein expression, network pharmacology, and autodock analysis were conducted. RESULTS Specnuezhenide ameliorated ultraviolet-induced skin photoaging in mice via the increase in collagen contents, and decrease in epidermal thickness, malondialdehyde content, and β-galactosidase expression in the skin. Specnuezhenide reduced cutaneous apoptosis and inflammation in mice with skin photoaging. In addition, network pharmacology data indicated that specnuezhenide possessed potential targets on the NOD-like receptor signaling pathway. Validation experiment found that specnuezhenide inhibited the expression of NOD-like receptor family pyrin domain-containing 3, gasdermin D-C1, and Caspase 1. Furthermore, the expression of 8-Oxoguanine DNA glycosylase (OGG1), sirtuin 3 (SIRT3), and superoxide dismutase 2 was increased in specnuezhenide-treated mice with photoaging. CONCLUSION Specnuezhenide protected against ultraviolet-induced skin photoaging in mice via a probable activation of SIRT3/OGG1 signal.
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Affiliation(s)
- Nan Tang
- Department of Traditional Chinese Medicine, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Ying-Yun Ren
- Department of Dermatology, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Hao-Tian Wu
- Department of Dermatology, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Xi-Ting Lv
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China
| | - Xiao-Ting Liu
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China
| | - Qi-Lin Li
- Department of Dermatology, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Guo-En Wang
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China
| | - Yan-Hua Wu
- Department of Traditional Chinese Medicine, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
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13
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Todosenko N, Khaziakhmatova O, Malashchenko V, Yurova K, Bograya M, Beletskaya M, Vulf M, Gazatova N, Litvinova L. Mitochondrial Dysfunction Associated with mtDNA in Metabolic Syndrome and Obesity. Int J Mol Sci 2023; 24:12012. [PMID: 37569389 PMCID: PMC10418437 DOI: 10.3390/ijms241512012] [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: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Metabolic syndrome (MetS) is a precursor to the major health diseases associated with high mortality in industrialized countries: cardiovascular disease and diabetes. An important component of the pathogenesis of the metabolic syndrome is mitochondrial dysfunction, which is associated with tissue hypoxia, disruption of mitochondrial integrity, increased production of reactive oxygen species, and a decrease in ATP, leading to a chronic inflammatory state that affects tissues and organ systems. The mitochondrial AAA + protease Lon (Lonp1) has a broad spectrum of activities. In addition to its classical function (degradation of misfolded or damaged proteins), enzymatic activity (proteolysis, chaperone activity, mitochondrial DNA (mtDNA)binding) has been demonstrated. At the same time, the spectrum of Lonp1 activity extends to the regulation of cellular processes inside mitochondria, as well as outside mitochondria (nuclear localization). This mitochondrial protease with enzymatic activity may be a promising molecular target for the development of targeted therapy for MetS and its components. The aim of this review is to elucidate the role of mtDNA in the pathogenesis of metabolic syndrome and its components as a key component of mitochondrial dysfunction and to describe the promising and little-studied AAA + LonP1 protease as a potential target in metabolic disorders.
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Affiliation(s)
- Natalia Todosenko
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
| | - Olga Khaziakhmatova
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
| | - Vladimir Malashchenko
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
| | - Kristina Yurova
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
| | - Maria Bograya
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
| | - Maria Beletskaya
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
| | - Maria Vulf
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
| | - Natalia Gazatova
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
| | - Larisa Litvinova
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia; (N.T.); (O.K.); (V.M.); (K.Y.); (M.B.); (M.B.); (M.V.); (N.G.)
- Laboratory of Cellular and Microfluidic Technologies, Siberian State Medical University, 634050 Tomsk, Russia
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14
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Li K, Dai M, Sacirovic M, Zemmrich C, Pagonas N, Ritter O, Grisk O, Lubomirov LT, Lauxmann MA, Bramlage P, Persson AB, Buschmann E, Buschmann I, Hillmeister P. Leukocyte telomere length and mitochondrial DNA copy number associate with endothelial function in aging-related cardiovascular disease. Front Cardiovasc Med 2023; 10:1157571. [PMID: 37342445 PMCID: PMC10277745 DOI: 10.3389/fcvm.2023.1157571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 03/22/2023] [Indexed: 06/22/2023] Open
Abstract
Background We investigated the association between leukocyte telomere length, mitochondrial DNA copy number, and endothelial function in patients with aging-related cardiovascular disease (CVD). Methods In total 430 patients with CVD and healthy persons were enrolled in the current study. Peripheral blood was drawn by routine venipuncture procedure. Plasma and peripheral blood mononuclear cells (PBMCs) were collected. Cell-free genomic DNA (cfDNA) and leukocytic genomic DNA (leuDNA) were extracted from plasma and PBMCs, respectively. Relative telomere length (TL) and mitochondrial DNA copy number (mtDNA-CN) were analyzed using quantitative polymerase chain reaction. Endothelial function was evaluated by measuring flow-mediated dilation (FMD). The correlation between TL of cfDNA (cf-TL), mtDNA-CN of cfDNA (cf-mtDNA), TL of leuDNA (leu-TL), mtDNA-CN of leuDNA (leu-mtDNA), age, and FMD were analyzed based on Spearman's rank correlation. The association between cf-TL, cf-mtDNA, leu-TL, leu-mtDNA, age, gender, and FMD were explored using multiple linear regression analysis. Results cf-TL positively correlated with cf-mtDNA (r = 0.1834, P = 0.0273), and leu-TL positively correlated with leu-mtDNA (r = 0.1244, P = 0.0109). In addition, both leu-TL (r = 0.1489, P = 0.0022) and leu-mtDNA (r = 0.1929, P < 0.0001) positively correlated with FMD. In a multiple linear regression analysis model, both leu-TL (β = 0.229, P = 0.002) and leu-mtDNA (β = 0.198, P = 0.008) were positively associated with FMD. In contrast, age was inversely associated with FMD (β = -0.426, P < 0.0001). Conclusion TL positively correlates mtDNA-CN in both cfDNA and leuDNA. leu-TL and leu-mtDNA can be regarded as novel biomarkers of endothelial dysfunction.
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Affiliation(s)
- Kangbo Li
- Department for Angiology, Center for Internal Medicine I, Deutsches Angiologie Zentrum Brandenburg - Berlin, University Clinic Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Mengjun Dai
- Department for Angiology, Center for Internal Medicine I, Deutsches Angiologie Zentrum Brandenburg - Berlin, University Clinic Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Mesud Sacirovic
- Department for Angiology, Center for Internal Medicine I, Deutsches Angiologie Zentrum Brandenburg - Berlin, University Clinic Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
| | - Claudia Zemmrich
- Institute for Pharmacology and Preventive Medicine, Cloppenburg, Germany
| | - Nikolaos Pagonas
- Department for Cardiology, Center for Internal Medicine I, University Clinic Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
- Faculty of Health Sciences Brandenburg, Joint Faculty of the Brandenburg University of Technology Cottbus – Senftenberg, The Brandenburg Medical School Theodor Fontane, University of Potsdam, Brandenburg an der Havel, Germany
| | - Oliver Ritter
- Department for Cardiology, Center for Internal Medicine I, University Clinic Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
- Faculty of Health Sciences Brandenburg, Joint Faculty of the Brandenburg University of Technology Cottbus – Senftenberg, The Brandenburg Medical School Theodor Fontane, University of Potsdam, Brandenburg an der Havel, Germany
| | - Olaf Grisk
- Institute of Physiology, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
| | - Lubomir T. Lubomirov
- Institute of Physiology, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
| | - Martin A. Lauxmann
- Institute of Biochemistry, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
| | - Peter Bramlage
- Institute for Pharmacology and Preventive Medicine, Cloppenburg, Germany
| | - Anja Bondke Persson
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Eva Buschmann
- Department of Cardiology, University Clinic Graz, Graz, Austria
| | - Ivo Buschmann
- Department for Angiology, Center for Internal Medicine I, Deutsches Angiologie Zentrum Brandenburg - Berlin, University Clinic Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
- Faculty of Health Sciences Brandenburg, Joint Faculty of the Brandenburg University of Technology Cottbus – Senftenberg, The Brandenburg Medical School Theodor Fontane, University of Potsdam, Brandenburg an der Havel, Germany
| | - Philipp Hillmeister
- Department for Angiology, Center for Internal Medicine I, Deutsches Angiologie Zentrum Brandenburg - Berlin, University Clinic Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany
- Faculty of Health Sciences Brandenburg, Joint Faculty of the Brandenburg University of Technology Cottbus – Senftenberg, The Brandenburg Medical School Theodor Fontane, University of Potsdam, Brandenburg an der Havel, Germany
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Wu L, Fan Z, Gu L, Liu J, Cui Z, Yu B, Kou J, Li F. QiShenYiQi dripping pill alleviates myocardial ischemia-induced ferroptosis via improving mitochondrial dynamical homeostasis and biogenesis. JOURNAL OF ETHNOPHARMACOLOGY 2023; 308:116282. [PMID: 36806343 DOI: 10.1016/j.jep.2023.116282] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 02/05/2023] [Accepted: 02/12/2023] [Indexed: 06/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE QiShenYiQi is a Chinese herbal formula composed of Astragalus membranaceus Fisch. ex Bunge, root; Slauia miltiorrhiza Bunge, root and rhizome; Panax notoginseng (Burkill) F.H.Chen, root; and Dalbergia odorifera T.C.Chen, heartwood of trunk and root with a proportion of 10:5:1:0.067. Its dripping pills were approved by the National Medical Products Administration (NMPA) in 2003 and could be used in the clinical treatment of ischemic heart diseases. Ferroptosis is an important pathological mechanism in the process of myocardial ischemia (MI). Whether QSYQ can improve ferroptosis induced by myocardial ischemia is still unclear. AIM OF THE STUDY In this study, the potential mechanisms of QSYQ against ferroptosis in MI-induced injury were investigated. MATERIALS AND METHODS The main components of QSYQ were analyzed by HPLC-Q-TOF-MS/MS. MI model was established by ligation of the left anterior descending coronary artery and then treated with QSYQ dropping pills for 14 days. The cardiac function of mice was evaluated by echocardiography. Hematoxylin and eosin (H&E) staining and Masson's trichrome staining were used to detect the pathological changes in heart tissue. Serum biochemical indexes were analyzed by biochemical kit. Transmission electron microscope (TEM) was used to observe the mitochondria ultrastructure and mitochondrial ROS was detected by immunofluorescence. Then, photoacoustic imaging was used to observe the redox status of the mice' hearts. Finally, the mitochondrial dynamics and biogenesis related proteins and the proteins of ferroptosis were analyzed by western blotting. RT-PCR was used to detect the mRNA expression changes of ferroptosis. RESULTS A total of 20 principal components of QSYQ were characterized by HPLC-Q-TOF-MS/MS. QSYQ significantly improved cardiac function and myocardial injury in MI mice. Furthermore, the lipid peroxidation change levels (MDA, 4-HNE, and GSH) in serum were attenuated and myocardial iron content was reduced after QSYQ treatment. On this basis, QSYQ also improved the expression changes of ferroptosis related mRNA and proteins. In addition, QSYQ promoted mitochondrial biogenesis (PGC-1α, Nrf1, and TFAM) and mitochondrial fusion (MFN-2 and OPA1) and inhibited mitochondrial excessive fission (Phosphorylation of Drp1 at ser616) in vitro and in vivo, indicating that the cardioprotection of QSYQ might be related to promoting mitochondrial biogenesis and dynamic homeostasis. CONCLUSION In summary, QSYQ could alleviate MI-induced ferroptosis by improving mitochondrial biogenesis and dynamic homeostasis.
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Affiliation(s)
- Lingling Wu
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Research Center for Traceability and Standardization of TCMs, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, 211198, China.
| | - Zhaoyang Fan
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Research Center for Traceability and Standardization of TCMs, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, 211198, China.
| | - Lifei Gu
- NMPA Key Laboratory for Quality Research and Evaluation of Traditional Chinese Medicine, Shenzhen Institute for Drug Control, Shenzhen, China.
| | - Jincheng Liu
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Research Center for Traceability and Standardization of TCMs, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, 211198, China.
| | - Zekun Cui
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Research Center for Traceability and Standardization of TCMs, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, 211198, China.
| | - Boyang Yu
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Research Center for Traceability and Standardization of TCMs, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, 211198, China.
| | - Junping Kou
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Research Center for Traceability and Standardization of TCMs, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, 211198, China.
| | - Fang Li
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Research Center for Traceability and Standardization of TCMs, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, 211198, China.
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Headley CA, Tsao PS. Building the case for mitochondrial transplantation as an anti-aging cardiovascular therapy. Front Cardiovasc Med 2023; 10:1141124. [PMID: 37229220 PMCID: PMC10203246 DOI: 10.3389/fcvm.2023.1141124] [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: 01/10/2023] [Accepted: 04/11/2023] [Indexed: 05/27/2023] Open
Abstract
Mitochondrial dysfunction is a common denominator in both biological aging and cardiovascular disease (CVD) pathology. Understanding the protagonist role of mitochondria in the respective and independent progressions of CVD and biological aging will unravel the synergistic relationship between biological aging and CVD. Moreover, the successful development and implementation of therapies that can simultaneously benefit mitochondria of multiple cell types, will be transformational in curtailing pathologies and mortality in the elderly, including CVD. Several works have compared the status of mitochondria in vascular endothelial cells (ECs) and vascular smooth muscle cells (VSMCs) in CVD dependent context. However, fewer studies have cataloged the aging-associated changes in vascular mitochondria, independent of CVD. This mini review will focus on the present evidence related to mitochondrial dysfunction in vascular aging independent of CVD. Additionally, we discuss the feasibility of restoring mitochondrial function in the aged cardiovascular system through mitochondrial transfer.
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Li YJ, Jin X, Li D, Lu J, Zhang XN, Yang SJ, Zhao YX, Wu M. New insights into vascular aging: Emerging role of mitochondria function. Biomed Pharmacother 2022; 156:113954. [DOI: 10.1016/j.biopha.2022.113954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/29/2022] [Accepted: 11/01/2022] [Indexed: 11/09/2022] Open
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Heidari MM, Khatami M, Kamalipour A, Kalantari M, Movahed M, Emmamy MH, Hadadzadeh M, Bragança J, Namnabat M, Mazrouei B. Mitochondrial mutations in protein coding genes of respiratory chain including complexes IV, V, and mt-tRNA genes are associated risk factors for congenital heart disease. EXCLI JOURNAL 2022; 21:1306-1330. [PMID: 36483916 PMCID: PMC9727243 DOI: 10.17179/excli2022-5298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 10/31/2022] [Indexed: 01/25/2023]
Abstract
Most studies aiming at unraveling the molecular events associated with cardiac congenital heart disease (CHD) have focused on the effect of mutations occurring in the nuclear genome. In recent years, a significant role has been attributed to mitochondria for correct heart development and maturation of cardiomyocytes. Moreover, numerous heart defects have been associated with nucleotide variations occurring in the mitochondrial genome, affecting mitochondrial functions and cardiac energy metabolism, including genes encoding for subunits of respiratory chain complexes. Therefore, mutations in the mitochondrial genome may be a major cause of heart disease, including CHD, and their identification and characterization can shed light on pathological mechanisms occurring during heart development. Here, we have analyzed mitochondrial genetic variants in previously reported mutational genome hotspots and the flanking regions of mt-ND1, mt-ND2, mt-COXI, mt-COXII, mt-ATPase8, mt-ATPase6, mt-COXIII, and mt-tRNAs (Ile, Gln, Met, Trp, Ala, Asn, Cys, Tyr, Ser, Asp, and Lys) encoding genes by polymerase chain reaction-single stranded conformation polymorphism (PCR-SSCP) in 200 patients with CHD, undergoing cardiac surgery. A total of 23 mitochondrial variations (5 missense mutations, 8 synonymous variations, and 10 nucleotide changes in tRNA encoding genes) were identified and included 16 novel variants. Additionally, we showed that intracellular ATP was significantly reduced (P=0.002) in CHD patients compared with healthy controls, suggesting that the mutations have an impact on mitochondrial energy production. Functional and structural alterations caused by the mitochondrial nucleotide variations in the gene products were studied in-silico and predicted to convey a predisposing risk factor for CHD. Further studies are necessary to better understand the mechanisms by which the alterations identified in the present study contribute to the development of CHD in patients.
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Affiliation(s)
- Mohammad Mehdi Heidari
- Department of Biology, Yazd University, Yazd, Iran,*To whom correspondence should be addressed: Mohammad Mehdi Heidari, Department of Biology, Yazd University, Yazd, Iran; Tel.: +98 353 1232650, Fax: +98 353 8210644, E-mail:
| | | | | | | | | | | | - Mehdi Hadadzadeh
- Department of Cardiac Surgery, Afshar Hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - José Bragança
- Faculty of Medicine and Biomedical Sciences, Algarve Biomedical Center Research Institute, University of Algarve, Faro, Portugal
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Mitochondrial DNA Is a Vital Driving Force in Ischemia-Reperfusion Injury in Cardiovascular Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:6235747. [PMID: 35620580 PMCID: PMC9129988 DOI: 10.1155/2022/6235747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 05/06/2022] [Indexed: 11/28/2022]
Abstract
According to the latest Global Burden of Disease Study, cardiovascular disease (CVD) is the leading cause of death, and ischemic heart disease and stroke are the cause of death in approximately half of CVD patients. In CVD, mitochondrial dysfunction following ischemia-reperfusion (I/R) injury results in heart failure. The proper functioning of oxidative phosphorylation (OXPHOS) and the mitochondrial life cycle in cardiac mitochondria are closely related to mitochondrial DNA (mtDNA). Following myocardial I/R injury, mitochondria activate multiple repair and clearance mechanisms to repair damaged mtDNA. When these repair mechanisms are insufficient to restore the structure and function of mtDNA, irreversible mtDNA damage occurs, leading to mtDNA mutations. Since mtDNA mutations aggravate OXPHOS dysfunction and affect mitophagy, mtDNA mutation accumulation leads to leakage of mtDNA and proteins outside the mitochondria, inducing an innate immune response, aggravating cardiovascular injury, and leading to the need for external interventions to stop or slow the disease course. On the other hand, mtDNA released into the circulation after cardiac injury can serve as a biomarker for CVD diagnosis and prognosis. This article reviews the pathogenic basis and related research findings of mtDNA oxidative damage and mtDNA leak-triggered innate immune response associated with I/R injury in CVD and summarizes therapeutic options that target mtDNA.
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Zhang M, Zhong H, Cao T, Huang Y, Ji X, Fan GC, Peng T. Gamma-Aminobutyrate Transaminase Protects against Lipid Overload-Triggered Cardiac Injury in Mice. Int J Mol Sci 2022; 23:ijms23042182. [PMID: 35216295 PMCID: PMC8874535 DOI: 10.3390/ijms23042182] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/10/2022] [Accepted: 02/13/2022] [Indexed: 12/26/2022] Open
Abstract
Lipid overload contributes to cardiac complications of diabetes and obesity. However, the underlying mechanisms remain obscure. This study investigates the role of gamma-aminobutyrate transaminase (ABAT), the key enzyme involved in the catabolism of γ-aminobutyric acid (GABA), in lipid overload-induced cardiac injury. Microarray revealed a down-regulation of ABAT mRNA expression in high fat diet (HFD)-fed mouse hearts, which correlated with a reduction in ABAT protein level and its GABA catabolic activity. Transgenic mice with cardiomyocyte-specific ABAT over-expression (Tg-ABAT/tTA) were generated to determine the role of ABAT in lipid overload-induced cardiac injury. Feeding with a HFD to control mice for 4 months reduced ATP production and the mitochondrial DNA copy number, and induced myocardial oxidative stress, hypertrophy, fibrosis and dysfunction. Such pathological effects of HFD were mitigated by ABAT over-expression in Tg-ABAT/tTA mice. In cultured cardiomyocytes, palmitate increased mitochondrial ROS production, depleted ATP production and promoted apoptosis, all of which were attenuated by ABAT over-expression. With the inhibition of ABAT’s GABA catabolic activity, the protective effects of ABAT remained unchanged in palmitate-induced cardiomyocytes. Thus, ABAT protects the mitochondrial function in defending the heart against lipid overload-induced injury through mechanisms independent of its GABA catabolic activity, and may represent a new therapeutic target for lipid overload-induced cardiac injury.
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Affiliation(s)
- Mengxiao Zhang
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (M.Z.); (H.Z.); (T.C.); (Y.H.)
- School of Pharmacy, Bengbu Medical College, Bengbu 233000, China
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A 5C1, Canada;
| | - Huiting Zhong
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (M.Z.); (H.Z.); (T.C.); (Y.H.)
| | - Ting Cao
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (M.Z.); (H.Z.); (T.C.); (Y.H.)
| | - Yifan Huang
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (M.Z.); (H.Z.); (T.C.); (Y.H.)
| | - Xiaoyun Ji
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A 5C1, Canada;
- Lawson Health Research Institute, London Health Sciences Centre, London, ON N6A 5W9, Canada
| | - Guo-Chang Fan
- Department of Pharmacology and Systems Physiology, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA;
| | - Tianqing Peng
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A 5C1, Canada;
- Lawson Health Research Institute, London Health Sciences Centre, London, ON N6A 5W9, Canada
- Department of Medicine, Western University, London, ON N6A 5W9, Canada
- VRLA6-140, 800 Commissioners Road, London, ON N6A 5W9, Canada
- Correspondence: ; Tel.: +1-519-6858500-55441
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