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Chen L, Yang X, Wang K, Guo L, Zou C. Humanin inhibits lymphatic endothelial cells dysfunction to alleviate myocardial infarction-reperfusion injury via BNIP3-mediated mitophagy. Free Radic Res 2024; 58:180-193. [PMID: 38535980 DOI: 10.1080/10715762.2024.2333074] [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: 04/11/2023] [Accepted: 02/20/2024] [Indexed: 05/02/2024]
Abstract
OBJECTIVE Acute myocardial infarction (AMI) ranks among the top contributors to sudden death and disability worldwide. It should be noted that current therapies always cause increased reperfusion damage. Evidence suggests that humanin (HN) reduces mitochondrial dysfunction to have cardio-protective effects against MI-reperfusion injury. In this context, we hypothesized that HN may attenuate MI-reperfusion injury by alleviating lymphatic endothelial cells dysfunction through the regulation of mitophagy. MATERIALS AND METHODS In this study, primary lymphatic endothelial cells were selected as the experimental model. Cells were maintained under 1% O2 to induce a hypoxic phenotype. For in vivo experiments, the left coronary arteries of C57/BL6 mice were clamped for 45 min followed by 24 h reperfusion to develop MI-reperfusion injury. The volume of infarcted myocardium in MI-reperfusion injury mouse models were TTC staining. PCR and western blot were used to quantify the expression of autophagy-, mitophagy- and mitochondria-related markers. The fibrosis and apoptosis in the ischemic area were evaluated for Masson staining and TUNEL respectively. We also used western blot to analyze the expression of VE-Cadherin in lymphatic endothelial cells. RESULTS We firstly exhibited a specific mechanism by which HN mitigates MI-reperfusion injury. We demonstrated that HN effectively reduces such injury in vivo and also inhibits dysfunction in lymphatic endothelial cells in vitro. Importantly, this inhibitory effect is mediated through BNIP3-associated mitophagy. CONCLUSIONS In conclusion, HN alleviates myocardial infarction-reperfusion injury by inhibiting lymphatic endothelial cells dysfunction, primarily through BNIP3-mediated mitophagy.
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Affiliation(s)
- Lu Chen
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Center for Cardiovascular Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaohua Yang
- Central Laboratory, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Kai Wang
- Central Laboratory, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Lina Guo
- Center for Cardiovascular Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Cao Zou
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China
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Kal S, Mahata S, Jati S, Mahata SK. Mitochondrial-derived peptides: Antidiabetic functions and evolutionary perspectives. Peptides 2024; 172:171147. [PMID: 38160808 PMCID: PMC10838678 DOI: 10.1016/j.peptides.2023.171147] [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: 11/28/2023] [Revised: 12/27/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
Mitochondrial-derived peptides (MDPs) are a novel class of bioactive microproteins encoded by short open-reading frames (sORF) in mitochondrial DNA (mtDNA). Currently, three types of MDPs have been identified: Humanin (HN), MOTS-c (Mitochondrial ORF within Twelve S rRNA type-c), and SHLP1-6 (small Humanin-like peptide, 1 to 6). The 12 S ribosomal RNA (MT-RNR1) gene harbors the sequence for MOTS-c, whereas HN and SHLP1-6 are encoded by the 16 S ribosomal RNA (MT-RNR2) gene. Special genetic codes are used in mtDNA as compared to nuclear DNA: (i) ATA and ATT are used as start codons in addition to the standard start codon ATG; (ii) AGA and AGG are used as stop codons instead of coding for arginine; (iii) the standard stop codon UGA is used to code for tryptophan. While HN, SHLP6, and MOTS-c are encoded by the H (heavy owing to high guanine + thymine base composition)-strand of the mtDNA, SHLP1-5 are encoded by the L (light owing to less guanine + thymine base composition)-strand. MDPs attenuate disease pathology including Type 1 diabetes (T1D), Type 2 diabetes (T2D), gestational diabetes, Alzheimer's disease (AD), cardiovascular diseases, prostate cancer, and macular degeneration. The current review will focus on the MDP regulation of T2D, T1D, and gestational diabetes along with an emphasis on the evolutionary pressures for conservation of the amino acid sequences of MDPs.
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Affiliation(s)
- Satadeepa Kal
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Sumana Mahata
- Department of Anesthesiology, Riverside University Health System, Moreno Valley, CA, USA
| | - Suborno Jati
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, USA
| | - Sushil K Mahata
- Department of Medicine, University of California San Diego, La Jolla, CA, USA; VA San Diego Healthcare System, San Diego, CA, USA.
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Li Y, Li Z, Ren Y, Lei Y, Yang S, Shi Y, Peng H, Yang W, Guo T, Yu Y, Xiong Y. Mitochondrial-derived peptides in cardiovascular disease: Novel insights and therapeutic opportunities. J Adv Res 2023:S2090-1232(23)00357-0. [PMID: 38008175 DOI: 10.1016/j.jare.2023.11.018] [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: 09/20/2023] [Revised: 11/14/2023] [Accepted: 11/17/2023] [Indexed: 11/28/2023] Open
Abstract
BACKGROUND Mitochondria-derived peptides (MDPs) represent a recently discovered family of peptides encoded by short open reading frames (ORFs) found within mitochondrial genes. This group includes notable members including humanin (HN), mitochondrial ORF of the 12S rDNA type-c (MOTS-c), and small humanin-like peptides 1-6 (SHLP1-6). MDPs assume pivotal roles in the regulation of diverse cellular processes, encompassing apoptosis, inflammation, and oxidative stress, which are all essential for sustaining cellular viability and normal physiological functions. Their emerging significance extends beyond this, prompting a deeper exploration into their multifaceted roles and potential applications. AIM OF REVIEW This review aims to comprehensively explore the biogenesis, various types, and diverse functions of MDPs. It seeks to elucidate the central roles and underlying mechanisms by which MDPs participate in the onset and development of cardiovascular diseases (CVDs), bridging the connections between cell apoptosis, inflammation, and oxidative stress. Furthermore, the review highlights recent advancements in clinical research related to the utilization of MDPs in CVD diagnosis and treatment. KEY SCIENTIFIC CONCEPTS OF REVIEW MDPs levels are diminished with aging and in the presence of CVDs, rendering them potential new indicators for the diagnosis of CVDs. Also, MDPs may represent a novel and promising strategy for CVD therapy. In this review, we delve into the biogenesis, various types, and diverse functions of MDPs. We aim to shed light on the pivotal roles and the underlying mechanisms through which MDPs contribute to the onset and advancement of CVDs connecting cell apoptosis, inflammation, and oxidative stress. We also provide insights into the current advancements in clinical research related to the utilization of MDPs in the treatment of CVDs. This review may provide valuable information with MDPs for CVD diagnosis and treatment.
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Affiliation(s)
- Yang Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Zhuozhuo Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Yuanyuan Ren
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Ying Lei
- School of Medicine, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Silong Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Yuqi Shi
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Han Peng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Weijie Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Tiantian Guo
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China
| | - Yi Yu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China; School of Medicine, Northwest University, Xi'an 710069, Shaanxi, PR China.
| | - Yuyan Xiong
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, Shaanxi, PR China; Xi'an Key Laboratory of Cardiovascular and Cerebrovascular Diseases, Xi'an No.3 Hospital, The Affiliated Hospital of Northwest University, 710018 Xi'an, Shaanxi, PR China.
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Kmita H, Pinna G, Lushchak VI. Potential oxidative stress related targets of mitochondria-focused therapy of PTSD. Front Physiol 2023; 14:1266575. [PMID: 38028782 PMCID: PMC10679466 DOI: 10.3389/fphys.2023.1266575] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
Post-traumatic stress disorder (PTSD) remains a highly prevalent, under-diagnosed, and under-treated psychiatric disorder that often deteriorates over time, and is highly comorbid with major depressive disorder, suicidality, and substance use disorder. Several biomarkers have been proposed but have yet to be implemented into clinical practice. Treatments, including selective serotonin reuptake inhibitors, are efficacious in only a small number of patients, which underscores the need to develop novel, efficient treatments. Mitochondrial dysfunction resulting from chronic oxidative stress has been linked with both altered neurotransmitter signaling and the inflammatory response. Hereinafter, we discuss mechanisms by which mitochondrial dysfunction may contribute to the development of PTSD symptoms, and how these may even increase PTSD susceptibility. We also highlight possible therapeutic targets to reduce oxidative stress to prevent or treat PTSD symptoms.
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Affiliation(s)
- Hanna Kmita
- Department of Bioenergetics, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Graziano Pinna
- Psychiatric Institute (SPHPI), Chicago, IL, United States
- UI Center on Depression and Resilience (UICDR), Chicago, IL, United States
- Center for Alcohol Research in Epigenetics (CARE), Department of Psychiatry, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States
| | - Volodymyr I. Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
- Research and Development University, Ivano-Frankivsk, Ukraine
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Zhao Q, Cai MM, Li D, Zhao BY, Zhou SS, Wu ZR, Shi YJ, Su L. S14G-humanin confers cardioprotective effects against chronic adrenergic and pressure overload-induced heart failure in mice. Heliyon 2023; 9:e21892. [PMID: 38045183 PMCID: PMC10692773 DOI: 10.1016/j.heliyon.2023.e21892] [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: 01/03/2023] [Revised: 09/18/2023] [Accepted: 10/31/2023] [Indexed: 12/05/2023] Open
Abstract
S14G-humanin (HNG), an analog of the mitochondria-derived peptide humanin, has demonstrated protective effects against various cardiovascular diseases. However, the specific pharmacological effects of HNG in heart failure (HF) have not been previously reported. Therefore, in this study, we aimed to investigate the potential protective effect of HNG in HF using a mouse model. HF was induced in mice through intraperitoneal injection of isoproterenol or transverse aortic constriction, followed by separate administration of HNG to assess its therapeutic impact. Our results revealed that HNG treatment significantly delayed the onset of cardiac dysfunction and structural remodeling in the HF mouse model. Furthermore, HNG administration was associated with reduced infiltration of inflammatory cells, improved myocardial fibrosis, and attenuation of cardiomyocyte apoptosis in the treated cardiac tissues. Additionally, we identified the involvement of the transforming growth factor-beta signaling pathway in the beneficial effects of HNG in isoproterenol-induced HF mice. Collectively, these findings underscore the therapeutic potential of HNG in preventing the progression of HF, as demonstrated in two distinct HF mouse models.
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Affiliation(s)
- Qi Zhao
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Ming-Ming Cai
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Dan Li
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Bin-Yi Zhao
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Shuang-Shan Zhou
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Zhen-Ru Wu
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Yu-Jun Shi
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Li Su
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
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Salvioli S, Basile MS, Bencivenga L, Carrino S, Conte M, Damanti S, De Lorenzo R, Fiorenzato E, Gialluisi A, Ingannato A, Antonini A, Baldini N, Capri M, Cenci S, Iacoviello L, Nacmias B, Olivieri F, Rengo G, Querini PR, Lattanzio F. Biomarkers of aging in frailty and age-associated disorders: State of the art and future perspective. Ageing Res Rev 2023; 91:102044. [PMID: 37647997 DOI: 10.1016/j.arr.2023.102044] [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: 07/19/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/01/2023]
Abstract
According to the Geroscience concept that organismal aging and age-associated diseases share the same basic molecular mechanisms, the identification of biomarkers of age that can efficiently classify people as biologically older (or younger) than their chronological (i.e. calendar) age is becoming of paramount importance. These people will be in fact at higher (or lower) risk for many different age-associated diseases, including cardiovascular diseases, neurodegeneration, cancer, etc. In turn, patients suffering from these diseases are biologically older than healthy age-matched individuals. Many biomarkers that correlate with age have been described so far. The aim of the present review is to discuss the usefulness of some of these biomarkers (especially soluble, circulating ones) in order to identify frail patients, possibly before the appearance of clinical symptoms, as well as patients at risk for age-associated diseases. An overview of selected biomarkers will be discussed in this regard, in particular we will focus on biomarkers related to metabolic stress response, inflammation, and cell death (in particular in neurodegeneration), all phenomena connected to inflammaging (chronic, low-grade, age-associated inflammation). In the second part of the review, next-generation markers such as extracellular vesicles and their cargos, epigenetic markers and gut microbiota composition, will be discussed. Since recent progresses in omics techniques have allowed an exponential increase in the production of laboratory data also in the field of biomarkers of age, making it difficult to extract biological meaning from the huge mass of available data, Artificial Intelligence (AI) approaches will be discussed as an increasingly important strategy for extracting knowledge from raw data and providing practitioners with actionable information to treat patients.
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Affiliation(s)
- Stefano Salvioli
- Department of Medical and Surgical Science, University of Bologna, Bologna, Italy; IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
| | | | - Leonardo Bencivenga
- Department of Translational Medical Sciences, University of Naples Federico II, Napoli, Italy
| | - Sara Carrino
- Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - Maria Conte
- Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - Sarah Damanti
- IRCCS Ospedale San Raffaele and Vita-Salute San Raffaele University, Milano, Italy
| | - Rebecca De Lorenzo
- IRCCS Ospedale San Raffaele and Vita-Salute San Raffaele University, Milano, Italy
| | - Eleonora Fiorenzato
- Parkinson's Disease and Movement Disorders Unit, Center for Rare Neurological Diseases (ERN-RND), Department of Neurosciences, University of Padova, Padova, Italy
| | - Alessandro Gialluisi
- Department of Epidemiology and Prevention, IRCCS NEUROMED, Pozzilli, Italy; EPIMED Research Center, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Assunta Ingannato
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy; IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy
| | - Angelo Antonini
- Parkinson's Disease and Movement Disorders Unit, Center for Rare Neurological Diseases (ERN-RND), Department of Neurosciences, University of Padova, Padova, Italy; Center for Neurodegenerative Disease Research (CESNE), Department of Neurosciences, University of Padova, Padova, Italy
| | - Nicola Baldini
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy; Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Miriam Capri
- Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - Simone Cenci
- IRCCS Ospedale San Raffaele and Vita-Salute San Raffaele University, Milano, Italy
| | - Licia Iacoviello
- Department of Epidemiology and Prevention, IRCCS NEUROMED, Pozzilli, Italy; EPIMED Research Center, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Benedetta Nacmias
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy; IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, Università Politecnica Delle Marche, Ancona, Italy; Clinic of Laboratory and Precision Medicine, IRCCS INRCA, Ancona, Italy
| | - Giuseppe Rengo
- Department of Translational Medical Sciences, University of Naples Federico II, Napoli, Italy; Istituti Clinici Scientifici Maugeri IRCCS, Scientific Institute of Telese Terme, Telese Terme, Italy
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Onat E, Kocaman N, Hancer S. The protective effects of humanin in rats with experimental myocardial infarction: The role of asprosin and spexin. Heliyon 2023; 9:e18739. [PMID: 37576267 PMCID: PMC10412837 DOI: 10.1016/j.heliyon.2023.e18739] [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: 03/14/2023] [Revised: 07/09/2023] [Accepted: 07/26/2023] [Indexed: 08/15/2023] Open
Abstract
Objective In this study, by applying humanin (HN) before myocardial infarction (MI) in rats, its protection in MI and the possible roles in asprosin and spexin were investigated. Materials and methods The rats were divided into 7 groups each with 6 rats (group I (control), group II (HN 48th hour), group III (HN 7th day), group IV (MI 48th hour), group V (MI 7th day), group VI (MI + HN 48th hour), group VII (MI + HN 7th day). To create MI, 200 mg/kg isoproterenol (ISO) was administered subcutaneously to the rats. 2 mg/kg HN was given intraperitoneally (ip) to rats alone and before MI. Molecular parameters asprosin and spexin were examined by immunohistochemical in heart tissue. Biochemical parameters (aspartate aminotransferase (AST), lactate dehydrogenase (LDH), creatine kinase MB (CK-MB), Troponin I) were studied in serum by enzyme-linked immunosorbent assay (ELISA) method. Results It was found in the study that the levels of spexin elevated especially towards the 7th day after MI and decreased more significantly towards the 7th day, after HN application before MI. Asprosin elevated significantly towards the 7th day after MI and decreased especially on the 7th day after HN application before MI. Also, serum AST, LDH, CK-MB, and Troponin I levels tended to decrease and a significant decrease was detected in congested veins in the heart tissue at the 48th hour of MI and erythrocyte extravasation, congested veins and necrotic muscle fibers at the 7th day of MI in rats given HN before MI. Conclusion It was concluded that HN has a cardioprotective effect in MI and asprosin and spexin might mediate this effect.
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Affiliation(s)
- Elif Onat
- Department of Medical Pharmacology, Faculty of Medicine, Adiyaman University, Adiyaman, 02040, Turkey
| | - Nevin Kocaman
- Department of Histology and Embryology, Faculty of Medicine, Firat University, Elazig, 23119, Turkey
| | - Serhat Hancer
- Department of Histology and Embryology, Faculty of Medicine, Firat University, Elazig, 23119, Turkey
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Maneechote C, Kerdphoo S, Jaiwongkam T, Chattipakorn SC, Chattipakorn N. Chronic Pharmacological Modulation of Mitochondrial Dynamics Alleviates Prediabetes-Induced Myocardial Ischemia-Reperfusion Injury by Preventing Mitochondrial Dysfunction and Programmed Apoptosis. Cardiovasc Drugs Ther 2023; 37:89-105. [PMID: 34515894 DOI: 10.1007/s10557-021-07250-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/25/2021] [Indexed: 01/14/2023]
Abstract
PURPOSE There is an increasing body of evidence to show that impairment in mitochondrial dynamics including excessive fission and insufficient fusion has been observed in the pre-diabetic condition. In pre-diabetic rats with cardiac ischemia-reperfusion (I/R) injury, acute treatment with a mitochondria fission inhibitor (Mdivi-1) and a fusion promoter (M1) showed cardioprotection. However, the potential preventive effects of chronic Mdivi-1 and M1 treatment in a pre-diabetic model of cardiac I/R have never been elucidated. METHODS Male Wistar rats (n = 40) were fed with a high-fat diet (HFD) for 12 weeks to induce prediabetes. Then, all pre-diabetic rats received the following treatments daily via intraperitoneal injection for 2 weeks: (1) HFDV (Vehicle, 0.1% DMSO); (2) HFMdivi1 (Mdivi-1 1.2 mg/kg); (3) HFM1 (M1 2 mg/kg); and (4) HFCom (Mdivi-1 + M1). At the end of treatment protocols, all rats underwent 30 min of coronary artery ligation followed by reperfusion for 120 min. RESULTS Chronic Mdivi-1, M1, and the combined treatment showed markedly improved cardiac mitochondrial function and dynamic control, leading to a decrease in cardiac arrhythmias, myocardial cell death, and infarct size (49%, 42%, and 51% reduction for HFMdivi1, HFM1, and HFCom, respectively vs HFDV). All of these treatments improved cardiac function following cardiac I/R injury in pre-diabetic rats. CONCLUSION Chronic inhibition of mitochondrial fission and promotion of fusion exerted cardioprevention in prediabetes with cardiac I/R injury through the relief of cardiac mitochondrial dysfunction and dynamic alterations, and reduction in myocardial infarction, thus improving cardiac function.
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Affiliation(s)
- Chayodom Maneechote
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Sasiwan Kerdphoo
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Thidarat Jaiwongkam
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Siriporn C Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand.
- Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
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Bardoxolone Methyl Ameliorates Myocardial Ischemia/Reperfusion Injury by Activating the Nrf2/HO-1 Signaling Pathway. Cardiovasc Ther 2023; 2023:5693732. [PMID: 36874247 PMCID: PMC9977528 DOI: 10.1155/2023/5693732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/26/2023] [Accepted: 02/01/2023] [Indexed: 02/24/2023] Open
Abstract
Background Myocardial ischemia/reperfusion (I/R) injury is a severe heart problem resulting from restoring coronary blood flow to the myocardium after ischemia. This study is aimed at ascertaining the therapeutic efficiency and action mechanism of bardoxolone methyl (BARD) in myocardial I/R injury. Methods In male rats, myocardial ischemia was performed for 0.5 h, and then, reperfusion lasted for 24 h. BARD was administrated in the treatment group. The animal's cardiac function was measured. Myocardial I/R injury serum markers were detected via ELISA. The 2,3,5-triphenyltetrazolium chloride (TTC) staining was used to estimate the infarction. H&E staining was used to evaluate the cardiomyocyte damage, and Masson trichrome staining was used to observe the proliferation of collagen fiber. The apoptotic level was assessed via the caspase-3 immunochemistry and TUNEL staining. Oxidative stress was measured through malondialdehyde, 8-hydroxy-2'-deoxyguanosine, superoxide dismutase, and inducible nitric oxide synthases. The alteration of the Nrf2/HO-1 pathway was confirmed via western blot, immunochemistry, and PCR analysis. Results The protective effect of BARD on myocardial I/R injury was observed. In detail, BARD decreased cardiac injuries, reduced cardiomyocyte apoptosis, and inhibited oxidative stress. For mechanisms, BARD treatment significantly activates the Nrf2/HO-1 pathway. Conclusion BARD ameliorates myocardial I/R injury by inhibiting oxidative stress and cardiomyocyte apoptosis via activating the Nrf2/HO-1 pathway.
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Katiyar R, Ghosh SK, Karikalan M, Kumar A, Pande M, Gemeda AI, Rautela R, Dhara SK, Bhure SK, Srivastava N, Patra MK, Chandra V, Devi HL, Singh M. An evidence of Humanin-like peptide and Humanin mediated cryosurvival of spermatozoa in buffalo bulls. Theriogenology 2022; 194:13-26. [PMID: 36183493 DOI: 10.1016/j.theriogenology.2022.09.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/12/2022] [Accepted: 09/10/2022] [Indexed: 11/16/2022]
Abstract
Buffalo spermatozoa are vulnerable to cryo-injuries due to inherent deficiency of endogenous antioxidants, high polyunsaturated fatty acids (PUFA) content in plasma membrane and low cholesterol/phospholipid (C/P) ratio. Humanin is a potent cytoprotective agent that protects the cells against oxidative stress and apoptosis. The present study was designed to establish the presence of Humanin in buffalo and effect of Humanin supplementation on freezability of buffalo spermatozoa. Indirect immunofluorescence test revealed presence of Humanin in ejaculated and epididymal spermatozoa, and, elongated spermatids and interstitial space in the testicular tissue section. Humanin levels in seminal plasma were significantly and positively correlated with sperm concentration and individual progressive motility (IPM) in good (n = 22; IPM >70%) and poor (n = 10; IPM <50%) quality ejaculates. For supplementation studies, a total of 24 ejaculates (IPM ≥70%) were collected and each ejaculate was then divided into four aliquots. First aliquot was diluted with egg yolk-tris-glycerol (EYTG) extender without Humanin and served as control group (Group I). Rest three aliquots were diluted with extender containing 2 (Group II), 5 (Group III) and 10 μM Humanin (Group IV), respectively. Semen was cryopreserved using standard protocol and evaluated at pre-freeze for lipid peroxidation (LPO) and post-thaw stages for spermatozoa kinematics, LPO, mitochondrial membrane potential (MMP), capacitation, apoptotic status and DNA integrity. The treatment group that showed best results (5 μM) was compared with control group for in vitro fertility assessment by homologous zona binding assay. The LPO levels were lower (p < 0.05) in 5 and 10 μM Humanin supplemented group. The MMP and DNA integrity were higher (p < 0.05) in 5 μM group than other groups. F-pattern was higher (p < 0.05) and B-pattern was lower (p < 0.05) in 5 and 10 μM Humanin supplemented groups. Lower apoptotic and higher viable spermatozoa (p < 0.05) were observed in 5 μM Humanin group. The mean number of spermatozoa bound to zona pellucida was higher (p < 0.05) in 5 μM Humanin treated group than the control group. The study established the presence of Humanin in buffalo spermatozoa and seminal plasma for very first time and concluded that Humanin supplementation at 5 μM concentration improves the freezability and in vitro fertility of buffalo spermatozoa.
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Affiliation(s)
- Rahul Katiyar
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India.
| | - Subrata Kumar Ghosh
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India.
| | - M Karikalan
- Centre for Wildlife, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Abhishek Kumar
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Megha Pande
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Amare Ishetu Gemeda
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Rupali Rautela
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - S K Dhara
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - S K Bhure
- Division of Veterinary Biochemistry, ICAR-Indian Veterinary Research Institute, Bengaluru Campus, India
| | - Neeraj Srivastava
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - M K Patra
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Vikash Chandra
- Division of Physiology & Climatology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Huidrom Lakshmi Devi
- Division of Physiology & Climatology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Mahak Singh
- ICAR Research Complex for N.E.H.Region, Nagaland Centre, Medziphema, Nagaland, 797106, India
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11
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Kaorop W, Maneechote C, Kumfu S, Chattipakorn SC, Chattipakorn N. Mitochondrial-derived peptides as a novel intervention for obesity and cardiac diseases: bench evidence for potential bedside application. J Clin Pathol 2022; 75:jclinpath-2022-208321. [PMID: 35863886 DOI: 10.1136/jcp-2022-208321] [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: 04/07/2022] [Accepted: 07/11/2022] [Indexed: 11/04/2022]
Abstract
Currently, obesity is the most common major health problem for people worldwide. Obesity is known to be a significant risk factor for several diseases, including metabolic syndrome, insulin resistance and type 2 diabetes, eventually leading to the development of chronic systemic disorders. Previous studies showed that mitochondrial dysfunction could be one of the potential mechanisms for obesity progression. Most interventions used for combating obesity have also been reported to modulate mitochondrial function, suggesting the potential role of mitochondria in the pathology of the obese condition. Recent studies have shown that peptides produced by mitochondria, mitochondrial-derived peptides (MDPs), potentially improve metabolic function and exert benefits in obesity-associated diabetes and various heart pathologies. In this review, the roles of MDPs in the metabolic pathways and their use in the treatment of various adverse effects of obesity are comprehensively summarised based on collective evidence from in vitro, in vivo and clinical studies. The roles of MDPs as novel therapeutic interventions for cardiac dysfunction caused by various stresses or toxicities are also presented and discussed. This review aims to summarise the knowledge regarding the effects of MDPs on obesity, with a particular emphasis on their potential protective effects on the impaired cardiac function associated with obesity. The information from this review will also encourage further clinical investigations to warrant the potential application of MDP interventions in the clinical setting in the future.
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Affiliation(s)
- Wichida Kaorop
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Chayodom Maneechote
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Sirinart Kumfu
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Siriporn C Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
- Department of Oral Biology and Diagnostic Sciences, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
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12
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Gong Z, Goetzman E, Muzumdar RH. Cardio-protective role of Humanin in myocardial ischemia-reperfusion. Biochim Biophys Acta Gen Subj 2022; 1866:130066. [PMID: 34896254 DOI: 10.1016/j.bbagen.2021.130066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/18/2021] [Accepted: 12/02/2021] [Indexed: 01/07/2023]
Abstract
Mitochondria-derived peptides (MDPs) are bioactive peptides encoded by and secreted from the mitochondria. To date, a few MDPs including humanin, MOTS-c and SHLP1-6, and their diverse biological functions have been identified. The first and most studied MDP is humanin, a 24-amino-acid poly peptide. It was first identified in 2001 in the surviving neurons of patient with Alzheimer's disease, and since then has been well characterized for its neuro-protective effect through inhibition of apoptosis. Over the past two decades, humanin has been reported to play critical roles in aging as well as multiple diseases including metabolic disorders, cardiovascular diseases, and autoimmune disease. Humanin has been shown to modulate multiple biological processes including autophagy, ER stress, cellular metabolism, oxidative stress, and inflammation. A role for humanin has been shown in a wide range of cardiovascular diseases, such as coronary heart disease, atherosclerosis, and myocardial fibrosis. In this minireview, we will summarize the literature demonstrating a role for humanin in cardio-protection following myocardial ischemia-reperfusion induced injury and the potential mechanisms that mediate it.
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Affiliation(s)
- Zhenwei Gong
- Division of Endocrinology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA
| | - Eric Goetzman
- Division of Genetic and Genomic Medicine, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Radhika H Muzumdar
- Division of Endocrinology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA.
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13
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Rochette L, Rigal E, Dogon G, Malka G, Zeller M, Vergely C, Cottin Y. Mitochondrial-derived peptides: New markers for cardiometabolic dysfunction. Arch Cardiovasc Dis 2022; 115:48-56. [PMID: 34972639 DOI: 10.1016/j.acvd.2021.10.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/21/2021] [Accepted: 10/25/2021] [Indexed: 02/07/2023]
Abstract
Great attention is being paid to the evaluation of new markers in blood circulation for the estimation of tissue metabolism disturbance. This endogenous disturbance may contribute to the onset and progression of cardiometabolic disease. In addition to their role in energy production and metabolism, mitochondria play a main function in cellular mechanisms, including apoptosis, oxidative stress and calcium homeostasis. Mitochondria produce mitochondrial-derived peptides that mediate the transcriptional stress response by translocating into the nucleus and interacting with deoxyribonucleic acid. This class of peptides includes humanin, mitochondrial open reading frame of the 12S ribosomal ribonucleic acid type c (MOTS-c) and small humanin-like peptides. Mitochondrial-derived peptides are regulators of metabolism, exerting cytoprotective effects through antioxidative stress, anti-inflammatory responses and antiapoptosis; they are emerging biomarkers reflecting mitochondrial function, and the circulating concentration of these proteins can be used to diagnose cardiometabolic dysfunction. The aims of this review are: (1) to describe the emerging role for mitochondrial-derived peptides as biomarkers; and (2) to discuss the therapeutic application of these peptides.
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Affiliation(s)
- Luc Rochette
- Équipe d'Accueil (EA 7460), physiopathologie et épidémiologie cérébro-cardiovasculaires (PEC2), faculté des sciences de santé, université de Bourgogne-Franche Comté, 21000 Dijon, France.
| | - Eve Rigal
- Équipe d'Accueil (EA 7460), physiopathologie et épidémiologie cérébro-cardiovasculaires (PEC2), faculté des sciences de santé, université de Bourgogne-Franche Comté, 21000 Dijon, France
| | - Geoffrey Dogon
- Équipe d'Accueil (EA 7460), physiopathologie et épidémiologie cérébro-cardiovasculaires (PEC2), faculté des sciences de santé, université de Bourgogne-Franche Comté, 21000 Dijon, France
| | - Gabriel Malka
- Centre interface applications médicales (CIAM), université Mohammed VI Polytechnique, 43150 Ben Guerir, Morocco
| | - Marianne Zeller
- Équipe d'Accueil (EA 7460), physiopathologie et épidémiologie cérébro-cardiovasculaires (PEC2), faculté des sciences de santé, université de Bourgogne-Franche Comté, 21000 Dijon, France
| | - Catherine Vergely
- Équipe d'Accueil (EA 7460), physiopathologie et épidémiologie cérébro-cardiovasculaires (PEC2), faculté des sciences de santé, université de Bourgogne-Franche Comté, 21000 Dijon, France
| | - Yves Cottin
- Cardiology Unit, CHU de Dijon-Bourgogne, 21000 Dijon, France
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14
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Xie Y, Zhang J, Zhang M, Jiang L. [Gly14]-Humanin inhibits an angiotensin II-induced vascular smooth muscle cell phenotypic switch via ameliorating intracellular oxidative stress. Hum Exp Toxicol 2022; 41:9603271221136208. [PMID: 36289015 DOI: 10.1177/09603271221136208] [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] [Indexed: 09/08/2023]
Abstract
Angiotensin II (AngII) is involved in the pathogenesis of hypertensive artery remodeling by inducing a phenotypic switch in vascular smooth muscle cells [Gly14]-Humanin (HNG), a humanin analogue, exerts potent cytoprotective effects both in vitro and in vivo. This study aimed to investigate the effects of HNG on an AngII-induced phenotypic switch in VSMCs and the potential mechanisms underlying these effects. The roles of [Gly14]-Humanin in AngII-stimulated VSMCs proliferation and migration was detected by CCK-8 assay, Cell cycle analysis, wound healing assay, trsnswell assay and western blot. The mechanism by which [Gly14]-Humanin regulates VSMC phenotypic switch was determined by intracellular oxidative stress detection, transcriptomic analysis and qRT-PCR. The results showed that HNG inhibited AngII-induced VSMC proliferation and migration and maintained a stable VSMC contractile phenotype. In addition, HNG reduced the level of AngII-induced oxidative stress in vascular smooth muscle cells. This process could be accomplished by inhibiting nicotinamide adenine dinucleotide phosphate oxidase activity. In conclusion, the results suggested that HNG ameliorated intracellular oxidative stress by inhibiting NAD(P)H oxidase activity, thereby suppressing the AngII-induced VSMC phenotype switch. Thus, HNG is a potential drug to ameliorate artery remodeling in hypertension.
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Affiliation(s)
- Yi Xie
- Division of Cardiology, Tongren Hospital, 537229Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jin Zhang
- Division of Cardiology, Tongren Hospital, 537229Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of General Surgery, Tongren Hospital, 537229Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Zhang
- Division of Cardiology, Tongren Hospital, 537229Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Jiang
- Division of Cardiology, Tongren Hospital, 537229Shanghai Jiao Tong University School of Medicine, Shanghai, China
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15
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Wu D, Kampmann E, Qian G. Novel Insights Into the Role of Mitochondria-Derived Peptides in Myocardial Infarction. Front Physiol 2021; 12:750177. [PMID: 34777013 PMCID: PMC8582487 DOI: 10.3389/fphys.2021.750177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/28/2021] [Indexed: 01/02/2023] Open
Abstract
Mitochondria-derived peptides (MDPs) are a new class of bioactive peptides encoded by small open reading frames (sORFs) within known mitochondrial DNA (mtDNA) genes. MDPs may affect the expression of nuclear genes and play cytoprotective roles against chronic and age-related diseases by maintaining mitochondrial function and cell viability in the face of metabolic stress and cytotoxic insults. In this review, we summarize clinical and experimental findings indicating that MDPs act as local and systemic regulators of glucose homeostasis, immune and inflammatory responses, mitochondrial function, and adaptive stress responses, and focus on evidence supporting the protective effects of MDPs against myocardial infarction. These insights into MDPs actions suggest their potential in the treatment of cardiovascular diseases and should encourage further research in this field.
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Affiliation(s)
- Dan Wu
- Department of Cardiology, The First Medical Center, Chinese People's Liberation Army Hospital, Medical School of Chinese People's Liberation Army, Beijing, China
| | - Enny Kampmann
- School of Life Sciences, City College of San Francisco, San Francisco, CA, United States
| | - Geng Qian
- Department of Cardiology, The First Medical Center, Chinese People's Liberation Army Hospital, Medical School of Chinese People's Liberation Army, Beijing, China
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16
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Cai H, Men H, Cao P, Zheng Y. Mechanism and prevention strategy of a bidirectional relationship between heart failure and cancer (Review). Exp Ther Med 2021; 22:1463. [PMID: 34737803 PMCID: PMC8561773 DOI: 10.3892/etm.2021.10898] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/16/2021] [Indexed: 12/11/2022] Open
Abstract
The relationship between cancer and heart failure has been extensively studied in the last decade. These studies have focused on describing heart injury caused by certain cancer treatments, including radiotherapy, chemotherapy and targeted therapy. Previous studies have demonstrated a higher incidence of cancer in patients with heart failure. Heart failure enhances an over-activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system, and subsequently promotes cancer development. Other studies have found that heart failure and cancer both have a common pathological origin, flanked by chronic inflammation in certain organs. The present review aims to summarize and describe the recent discoveries, suggested mechanisms and relationships between heart failure and cancer. The current review provides more ideas on clinical prevention strategies according to the pathological mechanism involved.
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Affiliation(s)
- He Cai
- Cardiovascular Center, The First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Hongbo Men
- Cardiovascular Center, The First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Pengyu Cao
- Cardiovascular Center, The First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Yang Zheng
- Cardiovascular Center, The First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, P.R. China
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17
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Cai H, Cao P, Sun W, Shao W, Li R, Wang L, Zou L, Forno E, Muzumdar R, Gong Z, Zheng Y. Circulating humanin is lower in coronary artery disease and is a prognostic biomarker for major cardiac events in humans. Biochim Biophys Acta Gen Subj 2021; 1866:130010. [PMID: 34525397 DOI: 10.1016/j.bbagen.2021.130010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/24/2021] [Accepted: 08/31/2021] [Indexed: 01/24/2023]
Abstract
BACKGROUND Humanin is an endogenous mitochondria-derived peptide that plays critical roles in oxidative stress, inflammation and CAD. In this study, we measured the levels of circulating humanin, markers of oxidative stress and inflammation in patients with unstable angina and MI and studied the relationship between these parameters and major adverse cardiac events (MACE). METHODS A total of 327 subjects were recruited from the inpatient department at First Hospital of Jilin University and divided into 3 groups [control, angina and myocardial infarction (MI)] based on the clinical data and the results of the angiography. Serum humanin and thiobarbituric acid reactive substances (TBARS) were measured at the time of initial admission. The hospitalization data and MACE of all patients were collected. RESULTS Circulating humanin levels were lower in the angina group compared to controls [124.22 ± 63.02 vs. 157.77 ± 99.93 pg/ml, p < 0.05] and even lower in MI patients [67.17 ± 24.35 pg/ml, p < 0.05 vs controls] and oxidative stress marker were higher in MI patients compared to the control and angina groups [12.94 ± 4.55 vs. 8.26 ± 1.66 vs. 9.06 ± 2.47 umol/ml, p < 0.05]. Lower circulating humanin levels was an independent risk factor of MI patients. Circulating humanin levels could be used to predict MACE in angina group. CONCLUSIONS Lower circulating humanin levels was an independent risk factor for CAD, and a potential prognostic marker for mild CAD. GENERAL SIGNIFICANCE Humanin may become a new index for the diagnosis and treatment of CAD.
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Affiliation(s)
- He Cai
- The Cardiovascular Center, First Hospital of Jilin University, 71 Xinmin Road, Changchun, Jilin 130021, China
| | - Pengyu Cao
- The Cardiovascular Center, First Hospital of Jilin University, 71 Xinmin Road, Changchun, Jilin 130021, China.
| | - Wanqing Sun
- National Center for Cardiovascular Diseases China, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wangshu Shao
- The Cardiovascular Center, First Hospital of Jilin University, 71 Xinmin Road, Changchun, Jilin 130021, China
| | - Rongyu Li
- The Cardiovascular Center, First Hospital of Jilin University, 71 Xinmin Road, Changchun, Jilin 130021, China
| | - Lin Wang
- The Cardiovascular Center, First Hospital of Jilin University, 71 Xinmin Road, Changchun, Jilin 130021, China
| | - Lin Zou
- The Cardiovascular Center, First Hospital of Jilin University, 71 Xinmin Road, Changchun, Jilin 130021, China
| | - Erick Forno
- Division of Pulmonology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA
| | - Radhika Muzumdar
- Division of Endocrinology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA
| | - Zhenwei Gong
- Division of Endocrinology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA.
| | - Yang Zheng
- The Cardiovascular Center, First Hospital of Jilin University, 71 Xinmin Road, Changchun, Jilin 130021, China.
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18
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Dabravolski SA, Nikiforov NG, Starodubova AV, Popkova TV, Orekhov AN. The Role of Mitochondria-Derived Peptides in Cardiovascular Diseases and Their Potential as Therapeutic Targets. Int J Mol Sci 2021; 22:ijms22168770. [PMID: 34445477 PMCID: PMC8396025 DOI: 10.3390/ijms22168770] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 02/06/2023] Open
Abstract
Mitochondria-derived peptides (MDPs) are small peptides hidden in the mitochondrial DNA, maintaining mitochondrial function and protecting cells under different stresses. Currently, three types of MDPs have been identified: Humanin, MOTS-c and SHLP1-6. MDPs have demonstrated anti-apoptotic and anti-inflammatory activities, reactive oxygen species and oxidative stress-protecting properties both in vitro and in vivo. Recent research suggests that MDPs have a significant cardioprotective role, affecting CVDs (cardiovascular diseases) development and progression. CVDs are the leading cause of death globally; this term combines disorders of the blood vessels and heart. In this review, we focus on the recent progress in understanding the relationships between MDPs and the main cardiovascular risk factors (atherosclerosis, insulin resistance, hyperlipidaemia and ageing). We also will discuss the therapeutic application of MDPs, modified and synthetic MDPs, and their potential as novel biomarkers and therapeutic targets.
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Affiliation(s)
- Siarhei A. Dabravolski
- Department of Clinical Diagnostics, Vitebsk State Academy of Veterinary Medicine [UO VGAVM], 7/11 Dovatora Str., 210026 Vitebsk, Belarus
- Correspondence:
| | - Nikita G. Nikiforov
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Institute of Human Morphology, 3 Tsyurupa Street, 117418 Moscow, Russia; (N.G.N.); (A.N.O.)
- Laboratory of Angiopathology, The Institute of General Pathology and Pathophysiology, 8 Baltiyskaya Street, 125315 Moscow, Russia
| | - Antonina V. Starodubova
- Federal Research Centre for Nutrition, Biotechnology and Food Safety, 2/14 Ustinsky Passage, 109240 Moscow, Russia;
- Therapy Faculty, Pirogov Russian National Research Medical University, 1 Ostrovitianov Street, 117997 Moscow, Russia
| | - Tatyana V. Popkova
- V.A. Nasonova Institute of Rheumatology, 34A Kashirskoye Shosse, 115522 Moscow, Russia;
| | - Alexander N. Orekhov
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Institute of Human Morphology, 3 Tsyurupa Street, 117418 Moscow, Russia; (N.G.N.); (A.N.O.)
- Laboratory of Angiopathology, The Institute of General Pathology and Pathophysiology, 8 Baltiyskaya Street, 125315 Moscow, Russia
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19
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Feng Y, Huang W, Paul C, Liu X, Sadayappan S, Wang Y, Pauklin S. Mitochondrial nucleoid in cardiac homeostasis: bidirectional signaling of mitochondria and nucleus in cardiac diseases. Basic Res Cardiol 2021; 116:49. [PMID: 34392401 PMCID: PMC8364536 DOI: 10.1007/s00395-021-00889-1] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 07/20/2021] [Indexed: 01/11/2023]
Abstract
Metabolic function and energy production in eukaryotic cells are regulated by mitochondria, which have been recognized as the intracellular 'powerhouses' of eukaryotic cells for their regulation of cellular homeostasis. Mitochondrial function is important not only in normal developmental and physiological processes, but also in a variety of human pathologies, including cardiac diseases. An emerging topic in the field of cardiovascular medicine is the implication of mitochondrial nucleoid for metabolic reprogramming. This review describes the linear/3D architecture of the mitochondrial nucleoid (e.g., highly organized protein-DNA structure of nucleoid) and how it is regulated by a variety of factors, such as noncoding RNA and its associated R-loop, for metabolic reprogramming in cardiac diseases. In addition, we highlight many of the presently unsolved questions regarding cardiac metabolism in terms of bidirectional signaling of mitochondrial nucleoid and 3D chromatin structure in the nucleus. In particular, we explore novel techniques to dissect the 3D structure of mitochondrial nucleoid and propose new insights into the mitochondrial retrograde signaling, and how it regulates the nuclear (3D) chromatin structures in mitochondrial diseases.
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Affiliation(s)
- Yuliang Feng
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Old Road, University of Oxford, Oxford, OX3 7LD, UK
| | - Wei Huang
- Department of Pathology and Laboratory Medicine, Regenerative Medicine Research, University of Cincinnati College of Medicine, 231 Albert Sabin Way, CincinnatiCincinnati, OH, 45267-0529, USA
| | - Christian Paul
- Department of Pathology and Laboratory Medicine, Regenerative Medicine Research, University of Cincinnati College of Medicine, 231 Albert Sabin Way, CincinnatiCincinnati, OH, 45267-0529, USA
| | - Xingguo Liu
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Hefei Institute of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
- Guangzhou Regenerative Medicine and Health Guangdong Laboratory, CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Hefei Institute of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Guangzhou, 510530, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
| | - Sakthivel Sadayappan
- Heart, Lung and Vascular Institute, Division of Cardiovascular Health and Disease, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Yigang Wang
- Department of Pathology and Laboratory Medicine, Regenerative Medicine Research, University of Cincinnati College of Medicine, 231 Albert Sabin Way, CincinnatiCincinnati, OH, 45267-0529, USA.
| | - Siim Pauklin
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Old Road, University of Oxford, Oxford, OX3 7LD, UK.
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20
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Kim SJ, Miller B, Kumagai H, Silverstein AR, Flores M, Yen K. Mitochondrial-derived peptides in aging and age-related diseases. GeroScience 2021; 43:1113-1121. [PMID: 32910336 PMCID: PMC8190245 DOI: 10.1007/s11357-020-00262-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 08/28/2020] [Indexed: 12/17/2022] Open
Abstract
A decline in mitochondrial quality and activity has been associated with normal aging and correlated with the development of a wide range of age-related diseases. Here, we review the evidence that a decline in the levels of mitochondrial-derived peptides contributes to aging and age-related diseases. In particular, we discuss how mitochondrial-derived peptides, humanin and MOTS-c, contribute to specific aspects of the aging process, including cellular senescence, chronic inflammation, and cognitive decline. Genetic variations in the coding region of humanin and MOTS-c that are associated with age-related diseases are also reviewed, with particular emphasis placed on how mitochondrial variants might, in turn, regulate MDP expression and age-related phenotypes. Taken together, these observations suggest that mitochondrial-derived peptides influence or regulate a number of key aspects of aging and that strategies directed at increasing mitochondrial-derived peptide levels might have broad beneficial effects.
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Affiliation(s)
- Su-Jeong Kim
- The Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089-0191, USA.
| | - Brendan Miller
- The Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089-0191, USA
| | - Hiroshi Kumagai
- The Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089-0191, USA
- Institute of Health and Sports Science & Medicine, Juntendo University, Inzai, Chiba, Japan
| | - Ana R Silverstein
- The Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089-0191, USA
| | - Melanie Flores
- The Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089-0191, USA
| | - Kelvin Yen
- The Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089-0191, USA
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21
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Shaw RL, Norton CE, Segal SS. Apoptosis in resistance arteries induced by hydrogen peroxide: greater resilience of endothelium versus smooth muscle. Am J Physiol Heart Circ Physiol 2021; 320:H1625-H1633. [PMID: 33606587 DOI: 10.1152/ajpheart.00956.2020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Reactive oxygen species (ROS) are implicated in cardiovascular and neurologic disorders including atherosclerosis, heart attack, stroke, and traumatic brain injury. Although oxidative stress can lead to apoptosis of vascular cells, such findings are largely based upon isolated vascular smooth muscle cells (SMCs) and endothelial cells (ECs) studied in culture. Studying intact resistance arteries, we have focused on understanding how SMCs and ECs in the blood vessel wall respond to acute oxidative stress induced by hydrogen peroxide, a ubiquitous, membrane-permeant ROS. We find that apoptosis induced by H2O2 is far greater in SMCs compared to ECs. For both cell types, apoptosis is associated with a rise in intracellular calcium concentration ([Ca2+]i) during H2O2 exposure. Consistent with their greater death, the rise in [Ca2+]i for SMCs exceeds that in ECs. Finding that disruption of the endothelium increases SMC death, we address how myoendothelial coupling and paracrine signaling attenuate apoptosis. Remarkably, conditions associated with chronic oxidative stress (advanced age, Western-style diet) protect SMCs during H2O2 exposure, as does female sex. In light of intracellular Ca2+ handling, we consider how glycolytic versus oxidative pathways for ATP production and changes in mitochondrial structure and function impact cellular resilience to H2O2-induced apoptosis. Gaining new insight into protective signaling within and between SMCs and ECs of the arterial wall can be applied to promote vascular cell survival (and recovery of blood flow) in tissues subjected to acute oxidative stress as occurs during reperfusion following myocardial infarction and thrombotic stroke.
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Affiliation(s)
- Rebecca L Shaw
- Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, Missouri
| | - Charles E Norton
- Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, Missouri
| | - Steven S Segal
- Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, Missouri.,Dalton Cardiovascular Research Center, Columbia, Missouri
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22
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Aoiadni N, Ayadi H, Jdidi H, Naifar M, Maalej S, Makni FA, El Feki A, Fetoui H, Koubaa FG. Flavonoid-rich fraction attenuates permethrin-induced toxicity by modulating ROS-mediated hepatic oxidative stress and mitochondrial dysfunction ex vivo and in vivo in rat. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:9290-9312. [PMID: 33136269 DOI: 10.1007/s11356-020-11250-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 10/13/2020] [Indexed: 06/11/2023]
Abstract
The present study explores the antioxidant, anti-microbial, and hepatoprotective potentials of flavonoid-rich fractions from Fumaria officinalis against permethrin-induced liver damage ex vivo/in vivo in rat. However, HPLC-DAD analysis revealed the richness of 6 components in ethyl acetate fraction (EAF) where ferulic acid, rosmarinic acid, and myricetin are the most abundant. The in vitro assays showed that EAFs have impressive antioxidant and anti-microbial properties. Ex vivo, permethrin (PER) (100 μM) induced a decrease of hepatic AST and ALT activities and 25-OH vitamin D and vitamin C levels and an increase of ALP and LDH activities, TBARS, and ϒ-GT levels with a disturbance of oxidative status. The hepatoprotective effect of EAF (1 mg/mL) against PER was confirmed by the amelioration of oxidative stress profile. In vivo, permethrin was found to increase absolute and relative liver weights, plasma transaminase activities, lactate-to-pyruvate ratio, hepatic and mitochondrial lipid peroxidation, and protein oxidation levels. This pesticide triggered a decrease of Ca2+ and Mg2+-ATPases and mitochondrial enzyme activities. The co-treatment with EAF reestablished the hepatic and mitochondrial function, which could be attributed to its richness in phenolic compounds.
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Affiliation(s)
- Nissaf Aoiadni
- Laboratory of Animal Eco-Physiology, Faculty of Sciences of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia.
| | - Houda Ayadi
- Laboratory of Biodiversity and Aquatic Ecosystems, Ecology and Planktonology, Sciences Faculty of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
| | - Hajer Jdidi
- Laboratory of Animal Eco-Physiology, Faculty of Sciences of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
| | - Manel Naifar
- Laboratory of Biochemistry, CHU Habib Bourguiba, Sfax, Tunisia
| | - Sami Maalej
- Laboratory of Biodiversity and Aquatic Ecosystems, Ecology and Planktonology, Sciences Faculty of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
| | | | - Abdelfattah El Feki
- Laboratory of Animal Eco-Physiology, Faculty of Sciences of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
| | - Hamadi Fetoui
- Laboratory of Toxicology and Environmental Health.LR17ES06, Sciences Faculty of Sfax, University of Sfax, BP1171, 3000, Sfax, Tunisia
| | - Fatma Ghorbel Koubaa
- Laboratory of Animal Eco-Physiology, Faculty of Sciences of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
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Pille JA, Riess ML. Potential Effects of Poloxamer 188 on Rat Isolated Brain Mitochondria after Oxidative Stress In Vivo and In Vitro. Brain Sci 2021; 11:brainsci11010122. [PMID: 33477541 PMCID: PMC7831103 DOI: 10.3390/brainsci11010122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/11/2021] [Accepted: 01/13/2021] [Indexed: 12/26/2022] Open
Abstract
Outcome after cerebral ischemia is often dismal. Reperfusion adds significantly to the ischemic injury itself. Therefore, new strategies targeting ischemia/reperfusion (I/R) injury are critically needed. Poloxamer (P)188, an amphiphilic triblock copolymer, is a highly promising pharmacological therapeutic as its capability to insert into injured cell membranes has been reported to protect against I/R injury in various models. Although mitochondrial function particularly profits from P188 treatment after I/R, it remains unclear if this beneficial effect occurs directly or indirectly. Here, rat isolated brain mitochondria underwent oxidative stress in vivo by asphyxial cardiac arrest or in vitro by the addition of hydrogen peroxide (H2O2) after isolation. Mitochondrial function was assessed by adenosine triphosphate synthesis, oxygen consumption, and calcium retention capacity. Both asphyxia and H2O2 exposure significantly impaired mitochondrial function. P188 did not preserve mitochondrial function after either injury mechanism. Further research is indicated.
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Affiliation(s)
- Johannes A Pille
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN 37232, USA;
- Department of Anesthesiology, University Medicine Greifswald, 17475 Greifswald, Germany
| | - Matthias L Riess
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN 37232, USA;
- Department of Pharmacology, Vanderbilt University, Nashville, TN 37232, USA
- Anesthesiology, TVHS VA Medical Center, Nashville, TN 37212, USA
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24
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Wu Y, Sun L, Zhuang Z, Hu X, Dong D. Mitochondrial-Derived Peptides in Diabetes and Its Complications. Front Endocrinol (Lausanne) 2021; 12:808120. [PMID: 35185787 PMCID: PMC8851315 DOI: 10.3389/fendo.2021.808120] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 12/23/2021] [Indexed: 12/14/2022] Open
Abstract
The changes of mitochondrial function are closely related to diabetes and its complications. Here we describe the effects of mitochondrial-derived peptides (MDPs), short peptides formed by transcription and translation of the open reading frame site in human mitochondrial DNA (mtDNA), on diabetes and its complications. We mainly focus on MDPs that have been discovered so far, such as Humanin (HN), mitochondrial open reading frame of the 12S rRNA-c (MOTS-c) and Small humanin-like peptides (SHLP 1-6), and elucidated the role of MDPs in diabetes and its major complications stroke and myocardial infarction by improving insulin resistance, inhibiting inflammatory response and anti-apoptosis. It provides more possibilities for the clinical application of mitochondrial derived peptides.
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Affiliation(s)
- Ying Wu
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Liankun Sun
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Zhoudao Zhuang
- Clinical Medical College of Jilin University, The First Hospital of Jilin University, Changchun, China
| | - Xiaoqing Hu
- Department of Ophthalmology, The First Hospital of Jilin University, Changchun, China
- *Correspondence: Xiaoqing Hu, ; Delu Dong,
| | - Delu Dong
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China
- *Correspondence: Xiaoqing Hu, ; Delu Dong,
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25
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Cai H, Liu Y, Men H, Zheng Y. Protective Mechanism of Humanin Against Oxidative Stress in Aging-Related Cardiovascular Diseases. Front Endocrinol (Lausanne) 2021; 12:683151. [PMID: 34177809 PMCID: PMC8222669 DOI: 10.3389/fendo.2021.683151] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/21/2021] [Indexed: 12/12/2022] Open
Abstract
Physiological reactive oxygen species (ROS) are important regulators of intercellular signal transduction. Oxidative and antioxidation systems maintain a dynamic balance under physiological conditions. Increases in ROS levels destroy the dynamic balance, leading to oxidative stress damage. Oxidative stress is involved in the pathogenesis of aging-related cardiovascular diseases (ACVD), such as atherosclerosis, myocardial infarction, and heart failure, by contributing to apoptosis, hypertrophy, and fibrosis. Oxidative phosphorylation in mitochondria is the main source of ROS. Increasing evidence demonstrates the relationship between ACVD and humanin (HN), an endogenous peptide encoded by mitochondrial DNA. HN protects cardiomyocytes, endothelial cells, and fibroblasts from oxidative stress, highlighting its protective role in atherosclerosis, ischemia-reperfusion injury, and heart failure. Herein, we reviewed the signaling pathways associated with the HN effects on redox signals, including Kelch-like ECH-associated protein 1 (Keap1)/nuclear factor erythroid 2-related factor 2 (Nrf2), chaperone-mediated autophagy (CMA), c-jun NH2 terminal kinase (JNK)/p38 mitogen-activated protein kinase (p38 MAPK), adenosine monophosphate-activated protein kinase (AMPK), and phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt)-Janus kinase 2 (JAK2)/signal transducer and activator of transcription 3 (STAT3). Furthermore, we discussed the relationship among HN, redox signaling pathways, and ACVD. Finally, we propose that HN may be a candidate drug for ACVD.
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26
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Conte M, Sabbatinelli J, Chiariello A, Martucci M, Santoro A, Monti D, Arcaro M, Galimberti D, Scarpini E, Bonfigli AR, Giuliani A, Olivieri F, Franceschi C, Salvioli S. Disease-specific plasma levels of mitokines FGF21, GDF15, and Humanin in type II diabetes and Alzheimer's disease in comparison with healthy aging. GeroScience 2020; 43:985-1001. [PMID: 33131010 PMCID: PMC8110619 DOI: 10.1007/s11357-020-00287-w] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/13/2020] [Indexed: 12/15/2022] Open
Abstract
Fibroblast Growth Factor 21 (FGF21), Growth Differentiation Factor 15 (GDF15), and Humanin (HN) are mitochondrial stress-related mitokines, whose role in health and disease is still debated. In this study, we confirmed that their plasma levels are positively correlated with age in healthy subjects. However, when looking at patients with type 2 diabetes (T2D) or Alzheimer's disease (AD), two age-related diseases sharing a mitochondrial impairment, we found that GDF15 is elevated in T2D but not in AD and represents a risk factor for T2D complications, while FGF21 and HN are lower in AD but not in T2D. Moreover, FGF21 reaches the highest levels in centenarian' offspring, a model of successful aging. As a whole, these data indicate that (i) the adaptive mitokine response observed in healthy aging is lost in age-related diseases, (ii) a common expression pattern of mitokines does not emerge in T2D and AD, suggesting an unpredicted complexity and disease-specificity, and (iii) FGF21 emerges as a candidate marker of healthy aging.
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Affiliation(s)
- Maria Conte
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy.
- Interdepartmental Center "Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate)", University of Bologna, Bologna, Italy.
| | - Jacopo Sabbatinelli
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy
| | - Antonio Chiariello
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
| | - Morena Martucci
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
| | - Aurelia Santoro
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
| | - Daniela Monti
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Marina Arcaro
- Fondazione Ca' Granda IRCCS Ospedale Maggiore Policlinico, Milan, Italy
| | - Daniela Galimberti
- Fondazione Ca' Granda IRCCS Ospedale Maggiore Policlinico, Milan, Italy
- Dino Ferrari Center, University of Milan, Milan, Italy
| | - Elio Scarpini
- Fondazione Ca' Granda IRCCS Ospedale Maggiore Policlinico, Milan, Italy
- Dino Ferrari Center, University of Milan, Milan, Italy
| | | | - Angelica Giuliani
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy
- Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, Ancona, Italy
| | - Claudio Franceschi
- Laboratory of Systems Medicine of Healthy Aging and Department of Applied Mathematics, Lobachevsky University, Nizhny Novgorod, Russia
| | - Stefano Salvioli
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
- Interdepartmental Center "Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate)", University of Bologna, Bologna, Italy
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27
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Mitochondria, immunosenescence and inflammaging: a role for mitokines? Semin Immunopathol 2020; 42:607-617. [PMID: 32757036 PMCID: PMC7666292 DOI: 10.1007/s00281-020-00813-0] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 07/28/2020] [Indexed: 02/08/2023]
Abstract
A global reshaping of the immune responses occurs with ageing, indicated as immunosenescence, where mitochondria and mitochondrial metabolism play an important role. However, much less is known about the role of mitochondrial stress response in this reshaping and in particular of the molecules induced by such response, collectively indicated as mitokines. In this review, we summarize the current knowledge on the role of mitokines in modulating immune response and inflammation focusing on GDF15, FGF21 and humanin and their possible involvement in the chronic age-related low-grade inflammation dubbed inflammaging. Although many aspects of their biology are still controversial, available data suggest that these mitokines have an anti-inflammatory role and increase with age. Therefore, we hypothesize that they can be considered part of an adaptive and integrated immune-metabolic mechanism activated by mitochondrial dysfunction that acts within the framework of a larger anti-inflammatory network aimed at controlling both acute inflammation and inflammaging.
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28
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Sreekumar PG, Kannan R. Mechanisms of protection of retinal pigment epithelial cells from oxidant injury by humanin and other mitochondrial-derived peptides: Implications for age-related macular degeneration. Redox Biol 2020; 37:101663. [PMID: 32768357 PMCID: PMC7767738 DOI: 10.1016/j.redox.2020.101663] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/18/2020] [Accepted: 07/26/2020] [Indexed: 02/06/2023] Open
Abstract
The mitochondrial-derived peptides (MDPs) are a new class of small open reading frame encoded polypeptides with pleiotropic properties. The prominent members are Humanin (HN) and small HN-like peptide (SHLP) 2, which encode 16S rRNA, while mitochondrial open reading frame of the twelve S c (MOTS-c) encodes 12S rRNA of the mitochondrial genome. While the multifunctional properties of HN and its analog 14-HNG have been well documented, their protective role in the retinal pigment epithelium (RPE)/retina has been investigated only recently. In this review, we have summarized the multiple effects of HN and its analogs, SHLP2 and MOTS-c in oxidatively stressed human RPE and the regulatory pathways of signaling, mitochondrial function, senescence, and inter-organelle crosstalk. Emphasis is given to the mitochondrial functions such as biogenesis, bioenergetics, and autophagy in RPE undergoing oxidative stress. Further, the potential use of HN and its analogs in the prevention of age-related macular degeneration (AMD) are also presented. In addition, the role of novel, long-acting HN elastin-like polypeptides in nanotherapy of AMD and other ocular diseases stemming from oxidative damage is discussed. It is expected MDPs will become a promising group of mitochondrial peptides with valuable therapeutic applications in the treatment of retinal diseases.
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Affiliation(s)
- Parameswaran G Sreekumar
- The Stephen J. Ryan Initiative for Macular Research (RIMR), Doheny Eye Institute, Los Angeles, CA, 90033, USA
| | - Ram Kannan
- The Stephen J. Ryan Initiative for Macular Research (RIMR), Doheny Eye Institute, Los Angeles, CA, 90033, USA; Stein Eye Institute, Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA.
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29
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Rochette L, Meloux A, Zeller M, Cottin Y, Vergely C. Role of humanin, a mitochondrial-derived peptide, in cardiovascular disorders. Arch Cardiovasc Dis 2020; 113:564-571. [PMID: 32680738 DOI: 10.1016/j.acvd.2020.03.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 03/20/2020] [Accepted: 03/20/2020] [Indexed: 11/29/2022]
Abstract
The mitochondria produce specific peptides-mitochondrial-derived peptides-that mediate the transcriptional stress response by their translocation into the nucleus and interaction with deoxyribonucleic acid. Mitochondrial-derived peptides are regulators of metabolism. This class of peptides comprises humanin, mitochondrial open reading frame of the 12S ribosomal ribonucleic acid type c (MOTS-c) and small humanin-like peptides (SHLPs). Humanin inhibits mitochondrial complex 1 activity and limits the level of oxidative stress in the cell. Data show that mitochondrial-derived peptides have a role in improving metabolic diseases, such as type 2 diabetes. Perhaps humanin can be used as a marker for mitochondrial function in cardiovascular disease or as a pharmacological strategy in patients with endothelial dysfunction. The goal of this review is to discuss the newly emerging functions of humanin, and its biological role in cardiovascular disorders.
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Affiliation(s)
- Luc Rochette
- Equipe d'Accueil (EA 7460), Physiopathologie et Epidémiologie Cérébro-Cardiovasculaires (PEC2), Université de Bourgogne - Franche Comté, Faculté des Sciences de Santé, 7, boulevard Jeanne-d'Arc, 21000 Dijon, France.
| | - Alexandre Meloux
- Equipe d'Accueil (EA 7460), Physiopathologie et Epidémiologie Cérébro-Cardiovasculaires (PEC2), Université de Bourgogne - Franche Comté, Faculté des Sciences de Santé, 7, boulevard Jeanne-d'Arc, 21000 Dijon, France
| | - Marianne Zeller
- Equipe d'Accueil (EA 7460), Physiopathologie et Epidémiologie Cérébro-Cardiovasculaires (PEC2), Université de Bourgogne - Franche Comté, Faculté des Sciences de Santé, 7, boulevard Jeanne-d'Arc, 21000 Dijon, France
| | - Yves Cottin
- Equipe d'Accueil (EA 7460), Physiopathologie et Epidémiologie Cérébro-Cardiovasculaires (PEC2), Université de Bourgogne - Franche Comté, Faculté des Sciences de Santé, 7, boulevard Jeanne-d'Arc, 21000 Dijon, France; Department of Cardiology, CHU Dijon Bourgogne, 21000 Dijon, France
| | - Catherine Vergely
- Equipe d'Accueil (EA 7460), Physiopathologie et Epidémiologie Cérébro-Cardiovasculaires (PEC2), Université de Bourgogne - Franche Comté, Faculté des Sciences de Santé, 7, boulevard Jeanne-d'Arc, 21000 Dijon, France
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30
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Pierce JD, Shen Q, Vacek J, Rahman FK, Krueger KJ, Gupta B, Hiebert JB. Potential use of ubiquinol and d-ribose in patients with heart failure with preserved ejection fraction. Ann Med Surg (Lond) 2020; 55:77-80. [PMID: 32477499 PMCID: PMC7251495 DOI: 10.1016/j.amsu.2020.05.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 05/04/2020] [Accepted: 05/07/2020] [Indexed: 11/27/2022] Open
Abstract
•Manuscript Highlights.•HFpEF is associated with reduced ATP production in the myocardium.•Ubiquinol and d-ribose both contribute to the generation of myocardial ATP.•Both ubiquinol and d-ribose are being studied as supplemental treatments for patients with HFpEF.
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Affiliation(s)
- Janet D. Pierce
- School of Nursing, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS, 66160, USA
| | - Qiuhua Shen
- School of Nursing, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS, 66160, USA
| | - James Vacek
- The University of Kansas Health System, 4000 Cambridge St, Kansas City, KS, 66160, USA
| | - Faith K. Rahman
- School of Nursing, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS, 66160, USA
| | - Kathryn J. Krueger
- School of Nursing, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS, 66160, USA
| | - Bhanu Gupta
- The University of Kansas Health System, 4000 Cambridge St, Kansas City, KS, 66160, USA
| | - John B. Hiebert
- School of Nursing, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS, 66160, USA
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31
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Reynolds JC, Bwiza CP, Lee C. Mitonuclear genomics and aging. Hum Genet 2020; 139:381-399. [PMID: 31997134 PMCID: PMC7147958 DOI: 10.1007/s00439-020-02119-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Accepted: 01/17/2020] [Indexed: 12/25/2022]
Abstract
Our cells operate based on two distinct genomes that are enclosed in the nucleus and mitochondria. The mitochondrial genome presumably originates from endosymbiotic bacteria. With time, a large portion of the original genes in the bacterial genome is considered to have been lost or transferred to the nuclear genome, leaving a reduced 16.5 Kb circular mitochondrial DNA (mtDNA). Traditionally only 37 genes, including 13 proteins, were thought to be encoded within mtDNA, its genetic repertoire is expanding with the identification of mitochondrial-derived peptides (MDPs). The biology of aging has been largely unveiled to be regulated by genes that are encoded in the nuclear genome, whereas the mitochondrial genome remained more cryptic. However, recent studies position mitochondria and mtDNA as an important counterpart to the nuclear genome, whereby the two organelles constantly regulate each other. Thus, the genomic network that regulates lifespan and/or healthspan is likely constituted by two unique, yet co-evolved, genomes. Here, we will discuss aspects of mitochondrial biology, especially mitochondrial communication that may add substantial momentum to aging research by accounting for both mitonuclear genomes to more comprehensively and inclusively map the genetic and molecular networks that govern aging and age-related diseases.
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Affiliation(s)
- Joseph C Reynolds
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
| | - Conscience P Bwiza
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
| | - Changhan Lee
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA.
- USC Norris Comprehensive Cancer Center, Los Angeles, CA, 90089, USA.
- Biomedical Sciences, Graduate School, Ajou University, Suwon, 16499, South Korea.
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Benayoun BA, Lee C. MOTS-c: A Mitochondrial-Encoded Regulator of the Nucleus. Bioessays 2019; 41:e1900046. [PMID: 31378979 PMCID: PMC8224472 DOI: 10.1002/bies.201900046] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 06/28/2019] [Indexed: 12/25/2022]
Abstract
Mitochondria are increasingly being recognized as information hubs that sense cellular changes and transmit messages to other cellular components, such as the nucleus, the endoplasmic reticulum (ER), the Golgi apparatus, and lysosomes. Nonetheless, the interaction between mitochondria and the nucleus is of special interest because they both host part of the cellular genome. Thus, the communication between genome-bearing organelles would likely include gene expression regulation. Multiple nuclear-encoded proteins have been known to regulate mitochondrial gene expression. On the contrary, no mitochondrial-encoded factors are known to actively regulate nuclear gene expression. MOTS-c (mitochondrial open reading frame of the 12S ribosomal RNA type-c) is a recently identified peptide encoded within the mitochondrial 12S ribosomal RNA gene that has metabolic functions. Notably, MOTS-c can translocate to the nucleus upon metabolic stress (e.g., glucose restriction and oxidative stress) and directly regulate adaptive nuclear gene expression to promote cellular homeostasis. It is hypothesized that cellular fitness requires the coevolved mitonuclear genomes to coordinate adaptive responses using gene-encoded factors that cross-regulate the opposite genome. This suggests that cellular gene expression requires the bipartite split genomes to operate as a unified system, rather than the nucleus being the sole master regulator.
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Affiliation(s)
- Bérénice A Benayoun
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
- USC Norris Comprehensive Cancer Center, Epigenetics and Gene Regulation Program, Los Angeles, CA, 90089, USA
- USC Stem Cell Initiative, Los Angeles, CA, 90089, USA
| | - Changhan Lee
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
- USC Norris Comprehensive Cancer Center, Epigenetics and Gene Regulation Program, Los Angeles, CA, 90089, USA
- Biomedical Sciences, Graduate School, Ajou University, Suwon, 16499, Republic of Korea
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Yang Y, Gao H, Zhou H, Liu Q, Qi Z, Zhang Y, Zhang J. The role of mitochondria-derived peptides in cardiovascular disease: Recent updates. Biomed Pharmacother 2019; 117:109075. [DOI: 10.1016/j.biopha.2019.109075] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 05/28/2019] [Accepted: 06/02/2019] [Indexed: 12/20/2022] Open
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Mortz M, Dégletagne C, Romestaing C, Duchamp C. Comparative genomic analysis identifies small open reading frames (sORFs) with peptide-encoding features in avian 16S rDNA. Genomics 2019; 112:1120-1127. [PMID: 31247329 DOI: 10.1016/j.ygeno.2019.06.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 06/01/2019] [Accepted: 06/21/2019] [Indexed: 12/14/2022]
Abstract
The mitochondrial genome (mt-DNA) functional repertoire has recently been enriched in mammals by the identification of functional small open reading frames (sORFs) embedded in ribosomal DNAs. Through comparative genomic analyses the presence of putatively functional sORFs was investigated in birds. Alignment of available avian mt-DNA sequences revealed highly conserved regions containing four putative sORFs that presented low insertion/deletion polymorphism rate (<0.1%) and preserved in frame start/stop codons in >80% of species. Detected sORFs included avian homologs of human Humanin and Short-Humanin-Like-Peptide 6 and two new sORFs not yet described in mammals. The amino-acid sequences of the four putative encoded peptides were strongly conserved among birds, with amino-acid p-distances (5.6 to 25.4%) similar to those calculated for typical avian mt-DNA-encoded proteins (14.8%). Conservation resulted from either drastic conservation of the nucleotide sequence or negative selection pressure. These data extend to birds the possibility that mitochondrial rDNA may encode small bioactive peptides.
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Affiliation(s)
- Mathieu Mortz
- Université de Lyon, Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés, UMR 5023 CNRS, Université Claude Bernard Lyon 1, ENTPE, Villeurbanne Cedex, France
| | - Cyril Dégletagne
- Université de Lyon, Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés, UMR 5023 CNRS, Université Claude Bernard Lyon 1, ENTPE, Villeurbanne Cedex, France
| | - Caroline Romestaing
- Université de Lyon, Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés, UMR 5023 CNRS, Université Claude Bernard Lyon 1, ENTPE, Villeurbanne Cedex, France
| | - Claude Duchamp
- Université de Lyon, Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés, UMR 5023 CNRS, Université Claude Bernard Lyon 1, ENTPE, Villeurbanne Cedex, France.
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Mehta HH, Xiao J, Ramirez R, Miller B, Kim SJ, Cohen P, Yen K. Metabolomic profile of diet-induced obesity mice in response to humanin and small humanin-like peptide 2 treatment. Metabolomics 2019; 15:88. [PMID: 31172328 PMCID: PMC6554247 DOI: 10.1007/s11306-019-1549-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 05/24/2019] [Indexed: 01/10/2023]
Abstract
INTRODUCTION The mitochondrial-derived peptides (MDPs) are a novel group of natural occurring peptides that have important signaling functions and biological activity. Both humanin and small-humanin-like peptide 2 (SHLP2) have been reported to act as insulin sensitizers and modulate metabolism. OBJECTIVES By using a metabolomic approach, this study explores how the plasma metabolite profile is regulated in response to humanin and SHLP2 treatment in a diet-induced obesity (DIO) mouse model. The results also shed light on the potential mechanism underlying MDPs' insulin sensitization effects. METHODS Plasma samples were obtained from DIO mice subjected to vehicle (water) treatment, or peptide treatment with either humanin analog S14G (HNG) or SHLP2 (n = 6 per group). Vehicle or peptides were given as intraperitoneal (IP) injections twice a day at dose of 2.5 mg/kg/injection for 3 days. Metabolites in plasma samples were comprehensively identified and quantified using UPLC-MS/MS. RESULTS HNG and SHLP2 administration significantly altered the concentrations of amino acid and lipid metabolites in plasma. Among all the metabolic pathways, the glutathione and sphingolipid metabolism responded most strongly to the peptide treatment. CONCLUSIONS The present study indicates that humanin and SHLP2 can lower several markers associated with age-related metabolic disorders. With the previous understanding of the effects of humanin and SHLP2 on cardiovascular function, insulin sensitization, and anti-inflammation, this metabolomic discovery provides a more comprehensive molecular explanation of the mechanism of action for humanin and SHLP2 treatment.
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Affiliation(s)
- Hemal H Mehta
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | - Jialin Xiao
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | - Ricardo Ramirez
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | - Brendan Miller
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | - Su-Jeong Kim
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | - Pinchas Cohen
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | - Kelvin Yen
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
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Ramanjaneya M, Bettahi I, Jerobin J, Chandra P, Abi Khalil C, Skarulis M, Atkin SL, Abou-Samra AB. Mitochondrial-Derived Peptides Are Down Regulated in Diabetes Subjects. Front Endocrinol (Lausanne) 2019; 10:331. [PMID: 31214116 PMCID: PMC6554664 DOI: 10.3389/fendo.2019.00331] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 05/07/2019] [Indexed: 12/13/2022] Open
Abstract
Background: Mitochondrial dysfunction is implicated in the pathogenesis of Type 2 diabetes (T2D) and the development of diabetes related complications such as cardiovascular disease and stroke. Mitochondria produce several small polypeptides that may influence mitochondrial function and may impact on insulin sensitivity, such as humanin (HN) and the mitochondrial open reading frame of the 12S rRNA type-c (MOTS-c) that are mitochondrial derived proteins (MDP). The aim of this study was to determine MDP in normal, prediabetes and diabetes subjects. Subjects and Measurements: In this cross-sectional study, we analyzed the serum concentrations of MDP and adiponectin (ADP) in 225 subjects: normal (n = 68), pre-diabetes (n = 33), T2D less than (good control; n = 31), and greater than HbA1c 7% (poor control; n = 93) subjects. The relationship of serum MDP and ADP concentrations with biochemical and anthropometric measurements were performed and assessed by multilinear regression. Results: Serum HN concentrations were lower in T2D (p < 0.0001) and negatively correlated with age (p < 0.0001), HbA1c (p < 0.0001), glucose (p < 0.0001), triglycerides (p < 0.003), ALT (p < 0.004), and TG/HDL ratio (p < 0.001). Circulating HN levels were positively correlated to cholesterol (p < 0.017), LDL (p < 0.001), and HDL (p < 0.001). Linear regression analysis showed that HbA1c and ALT were two independent predictors of circulating HN. Similarly, serum MOTS-c was significantly lower in T2D subjects compared to controls (p < 0.007). Circulating MOTS-c positively correlated with BMI (p < 0.035), total cholesterol (p < 0.0001), and LDL (p < 0.001) and negatively correlated with age (p < 0.002), HbA1c (p < 0.001), and glucose (p < 0.002). Serum ADP concentrations were lower in T2D (p < 0.002) and negatively correlated with HbA1c (p < 0.001), weight (p < 0.032) TG (p < 0.0001), and ALT (p < 0.0001); and positively correlated with HDL (p < 0.0001) and HN (p < 0.003). Linear regression analysis showed that HbA1c and weight were two independent predictors of circulating ADP. Multilinear regression showed that HN and MOT-c correlated with each other, and only HN correlated with HbA1c. Conclusion: The MDPs HN and MOT-c, similar to ADP, are decreased in T2D and correlate with HbA1c. The data provide an additional evidence that mitochondrial dysfunction contributes to glycemic dysregulation and metabolic defects in T2D.
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Affiliation(s)
- Manjunath Ramanjaneya
- Hamad Medical Corporation, Department of Medicine, Qatar Metabolic Institute and Interim Translational Research Institute, Academic Health System, Doha, Qatar
- *Correspondence: Manjunath Ramanjaneya
| | - Ilham Bettahi
- Hamad Medical Corporation, Department of Medicine, Qatar Metabolic Institute and Interim Translational Research Institute, Academic Health System, Doha, Qatar
| | - Jayakumar Jerobin
- Hamad Medical Corporation, Department of Medicine, Qatar Metabolic Institute and Interim Translational Research Institute, Academic Health System, Doha, Qatar
| | - Prem Chandra
- Hamad Medical Corporation, Department of Medicine, Qatar Metabolic Institute and Interim Translational Research Institute, Academic Health System, Doha, Qatar
| | - Charbel Abi Khalil
- Epigenetics Cardiovascular Laboratory, Department of Genetic Medicine, Weill Cornell Medicine Qatar, Doha, Qatar
| | - Monica Skarulis
- Hamad Medical Corporation, Department of Medicine, Qatar Metabolic Institute and Interim Translational Research Institute, Academic Health System, Doha, Qatar
| | - Stephen Lawrence Atkin
- Epigenetics Cardiovascular Laboratory, Department of Genetic Medicine, Weill Cornell Medicine Qatar, Doha, Qatar
- Research Department, Weill Cornell Medicine Qatar, Doha, Qatar
- Stephen Lawrence Atkin
| | - Abdul-Badi Abou-Samra
- Hamad Medical Corporation, Department of Medicine, Qatar Metabolic Institute and Interim Translational Research Institute, Academic Health System, Doha, Qatar
- Abdul-Badi Abou-Samra
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Lue Y, Gao C, Swerdloff R, Hoang J, Avetisyan R, Jia Y, Rao M, Ren S, Atienza V, Yu J, Zhang Y, Chen M, Song Y, Wang Y, Wang C. Humanin analog enhances the protective effect of dexrazoxane against doxorubicin-induced cardiotoxicity. Am J Physiol Heart Circ Physiol 2018; 315:H634-H643. [PMID: 29775411 DOI: 10.1152/ajpheart.00155.2018] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The chemotherapeutic effect of doxorubicin (Dox) is limited by cumulative dose-dependent cardiotoxicity in cancer survivors. Dexrazoxane (DRZ) is approved to prevent Dox-induced cardiotoxicity. Humanin and its synthetic analog HNG have a cytoprotective effect on the heart. To investigate the cardioprotective efficacy of HNG alone or in combination with DRZ against Dox-induced cardiotoxicity, 80 adult male mice were randomly divided into 8 groups to receive the following treatments via intraperitoneal injection: saline dailym HNG (5 mg/kg) daily, DRZ (60 mg/kg) weekly, Dox (3 mg/kg) weekly, DRZ + HNG, Dox + HNG, Dox + DRZ, and Dox + HNG + DRZ. Echocardiograms were performed before and at 4, 8, and 9.5 wk after the beginning of treatment. All mice were euthanized at 10 wk. In the absence of Dox, HNG, DRZ, or DRZ + HNG had no adverse effect on the heart. Dox treatment caused decreases in ejection fraction and cardiac mass and increases in cardiomyocyte apoptosis and intracardiac fibrosis. HNG or DRZ alone blunted the Dox-induced decrease in left ventricle posterior wall thickness and modestly ameliorated the Dox-induced decrease in ejection fraction. HNG + DRZ significantly ameliorated Dox-induced decreases in ejection function, cardiac fibrosis, and cardiac mass. Using a targeted analysis for the mitochondrial gene array and protein expression in heart tissues, we demonstrated that HNG + DRZ reversed DOX-induced altered transcripts that were biomarkers of cardiac damage and uncoupling protein-2. We conclude that HNG enhances the cardiac protective effect of DRZ against Dox-induced cardiotoxicity. HNG + DRZ protects mitochondria from Dox-induced cardiac damage and blunts the onset of cardiac dysfunction. Thus, HNG may be an adjuvant to DRZ in preventing Dox-induced cardiotoxicity. NEW & NOTEWORTHY Doxorubicin (Dox) is commonly used for treating a wide range of human cancers. However, cumulative dosage-dependent carditoxicity often limits its clinical applications. We demonstrated in this study that treating young adult male mice with synthetic humanin analog enhanced the cardiac protective effect of dexrazoxane against chemotherapeutic agent Dox-induced cardiac dysfunction. Thus, humanin analog can potentially serve as an adjuvant to dexrazoxane in more effectively preventing Dox-induced cardiac dysfunction and cardiomyopathy.
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Affiliation(s)
- Yanhe Lue
- Division of Endocrinology, Department of Medicine, Los Angeles Biomedical Research Institute and Harbor-UCLA Medical Center, University of California-Los Angeles, Torrance, California
| | - Chen Gao
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, University of California-Los Angeles, Los Angeles, California
| | - Ronald Swerdloff
- Division of Endocrinology, Department of Medicine, Los Angeles Biomedical Research Institute and Harbor-UCLA Medical Center, University of California-Los Angeles, Torrance, California
| | - James Hoang
- Division of Endocrinology, Department of Medicine, Los Angeles Biomedical Research Institute and Harbor-UCLA Medical Center, University of California-Los Angeles, Torrance, California
| | - Rozeta Avetisyan
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, University of California-Los Angeles, Los Angeles, California
| | - Yue Jia
- Division of Endocrinology, Department of Medicine, Los Angeles Biomedical Research Institute and Harbor-UCLA Medical Center, University of California-Los Angeles, Torrance, California
| | - Meng Rao
- Division of Endocrinology, Department of Medicine, Los Angeles Biomedical Research Institute and Harbor-UCLA Medical Center, University of California-Los Angeles, Torrance, California
| | - Shuxun Ren
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, University of California-Los Angeles, Los Angeles, California
| | - Vince Atienza
- Division of Endocrinology, Department of Medicine, Los Angeles Biomedical Research Institute and Harbor-UCLA Medical Center, University of California-Los Angeles, Torrance, California
| | - Junyi Yu
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, University of California-Los Angeles, Los Angeles, California.,Department of Cardiology, Chongqing Institute of Cardiology and Chongqing Cardiovascular Clinical Research Center, Daping Hospital, Third Military Medical University , Chongqing , China
| | - Ye Zhang
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, University of California-Los Angeles, Los Angeles, California.,Department of Cardiology, Chongqing Institute of Cardiology and Chongqing Cardiovascular Clinical Research Center, Daping Hospital, Third Military Medical University , Chongqing , China
| | - Mengping Chen
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, University of California-Los Angeles, Los Angeles, California.,Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis, Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - Yang Song
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, University of California-Los Angeles, Los Angeles, California
| | - Yibin Wang
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, University of California-Los Angeles, Los Angeles, California
| | - Christina Wang
- Division of Endocrinology, Department of Medicine, Los Angeles Biomedical Research Institute and Harbor-UCLA Medical Center, University of California-Los Angeles, Torrance, California
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Qin Q, Jin J, He F, Zheng Y, Li T, Zhang Y, He J. Humanin promotes mitochondrial biogenesis in pancreatic MIN6 β-cells. Biochem Biophys Res Commun 2018; 497:292-297. [PMID: 29432738 DOI: 10.1016/j.bbrc.2018.02.071] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Accepted: 02/07/2018] [Indexed: 12/24/2022]
Abstract
Mitochondrial dysfunction is associated with β-cell failure and insulin resistance in diabetes. Humanin is an endogenous cytoprotective peptide. In the current study, we aimed to define the effects of Humanin on mitochondrial biogenesis in pancreatic β-cells. Our findings demonstrated that Humanin treatment significantly increased the expression of PGC-1α and its downstream target genes NRF1 and TFAM in MIN6 β-cells. Notably, Humanin treatment significantly promoted mitochondrial biogenesis by increasing mitochondrial mass, elevating mtDNA/nDNA ratio, and stimulating the expression of cytochrome B, which were suppressed by the specific AMPK inhibitor compound C. Indeed, Humanin treatment caused the phosphorylation of AMPK, which was involved in the induction of PGC-1α, NRF1, and TFAM by Humanin. Importantly, our findings indicate that Humanin treatment led to a possible functional gain of the mitochondria by increasing ATP levels and respiratory rate. Our findings provided a new insight into the molecular mechanisms of action by which Humanin improves pancreatic β-cell function via enhanced mitochondrial mass and performance.
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Affiliation(s)
- Qingqing Qin
- Medical Faculty, Kunming University of Science and Technology, Kunming 650500, China; Institute of Basic and Clinical Medicine, Key Laboratory for Clinical Virology, Key Laboratory for Birth Defects and Genetic Diseases, The First People's Hospital of Yunnan Province, Kunming 650032, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650032, China
| | - Jieqiong Jin
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
| | - Fang He
- Medical Faculty, Kunming University of Science and Technology, Kunming 650500, China; Institute of Basic and Clinical Medicine, Key Laboratory for Clinical Virology, Key Laboratory for Birth Defects and Genetic Diseases, The First People's Hospital of Yunnan Province, Kunming 650032, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650032, China
| | - Yongqin Zheng
- Institute of Basic and Clinical Medicine, Key Laboratory for Clinical Virology, Key Laboratory for Birth Defects and Genetic Diseases, The First People's Hospital of Yunnan Province, Kunming 650032, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650032, China
| | - Tingting Li
- Medical Faculty, Kunming University of Science and Technology, Kunming 650500, China; Institute of Basic and Clinical Medicine, Key Laboratory for Clinical Virology, Key Laboratory for Birth Defects and Genetic Diseases, The First People's Hospital of Yunnan Province, Kunming 650032, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650032, China
| | - Yun Zhang
- Medical Faculty, Kunming University of Science and Technology, Kunming 650500, China; Institute of Basic and Clinical Medicine, Key Laboratory for Clinical Virology, Key Laboratory for Birth Defects and Genetic Diseases, The First People's Hospital of Yunnan Province, Kunming 650032, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650032, China
| | - Jundong He
- Institute of Basic and Clinical Medicine, Key Laboratory for Clinical Virology, Key Laboratory for Birth Defects and Genetic Diseases, The First People's Hospital of Yunnan Province, Kunming 650032, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650032, China; Medical Faculty, Kunming University of Science and Technology, Kunming 650500, China.
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