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Lv L, Chen Q, Lu J, Zhao Q, Wang H, Li J, Yuan K, Dong Z. Potential regulatory role of epigenetic modifications in aging-related heart failure. Int J Cardiol 2024; 401:131858. [PMID: 38360101 DOI: 10.1016/j.ijcard.2024.131858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 12/27/2023] [Accepted: 02/10/2024] [Indexed: 02/17/2024]
Abstract
Heart failure (HF) is a serious clinical syndrome and a serious development or advanced stage of various heart diseases. Aging is an independent factor that causes pathological damage in cardiomyopathy and participates in the occurrence of HF at the molecular level by affecting mechanisms such as telomere shortening and mitochondrial dysfunction. Epigenetic changes have a significant impact on the aging process, and there is increasing evidence that genetic and epigenetic changes are key features of aging and aging-related diseases. Epigenetic modifications can affect genetic information by changing the chromatin state without changing the DNA sequence. Most of the genetic loci that are highly associated with cardiovascular diseases (CVD) are located in non-coding regions of the genome; therefore, the epigenetic mechanism of CVD has attracted much attention. In this review, we focus on the molecular mechanisms of HF during aging and epigenetic modifications mediating aging-related HF, emphasizing that epigenetic mechanisms play an important role in the pathogenesis of aging-related CVD and can be used as potential diagnostic and prognostic biomarkers, as well as therapeutic targets.
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Affiliation(s)
- Lin Lv
- Department of Pharmacy, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - QiuYu Chen
- The Key Laboratory of Cardiovascular Disease Acousto-Optic Electromagnetic Diagnosis and Treatment in Heilongjiang Province, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jing Lu
- Department of Pharmacy, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qi Zhao
- Department of Pharmacy, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - HongYan Wang
- Department of Pharmacy, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - JiaHao Li
- Department of Pharmacy, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - KeYing Yuan
- Department of Pharmacy, First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - ZengXiang Dong
- The Key Laboratory of Cardiovascular Disease Acousto-Optic Electromagnetic Diagnosis and Treatment in Heilongjiang Province, First Affiliated Hospital of Harbin Medical University, Harbin, China; NHC Key Laboratory of Cell Transplantation, First Affiliated Hospital of Harbin Medical University, Harbin, China.
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2
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Hwang H, Rampoldi A, Forghani P, Li D, Fite J, Boland G, Maher K, Xu C. Space microgravity increases expression of genes associated with proliferation and differentiation in human cardiac spheres. NPJ Microgravity 2023; 9:88. [PMID: 38071377 PMCID: PMC10710480 DOI: 10.1038/s41526-023-00336-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 11/21/2023] [Indexed: 04/12/2024] Open
Abstract
Efficient generation of cardiomyocytes from human-induced pluripotent stem cells (hiPSCs) is important for their application in basic and translational studies. Space microgravity can significantly change cell activities and function. Previously, we reported upregulation of genes associated with cardiac proliferation in cardiac progenitors derived from hiPSCs that were exposed to space microgravity for 3 days. Here we investigated the effect of long-term exposure of hiPSC-cardiac progenitors to space microgravity on global gene expression. Cryopreserved 3D hiPSC-cardiac progenitors were sent to the International Space Station (ISS) and cultured for 3 weeks under ISS microgravity and ISS 1 G conditions. RNA-sequencing analyses revealed upregulation of genes associated with cardiac differentiation, proliferation, and cardiac structure/function and downregulation of genes associated with extracellular matrix regulation in the ISS microgravity cultures compared with the ISS 1 G cultures. Gene ontology analysis and Kyoto Encyclopedia of Genes and Genomes mapping identified the upregulation of biological processes, molecular function, cellular components, and pathways associated with cell cycle, cardiac differentiation, and cardiac function. Taking together, these results suggest that space microgravity has a beneficial effect on the differentiation and growth of cardiac progenitors.
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Affiliation(s)
- Hyun Hwang
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Antonio Rampoldi
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Parvin Forghani
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Dong Li
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | | | | | - Kevin Maher
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Chunhui Xu
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA.
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.
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3
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Alexandraki A, Papageorgiou E, Zacharia M, Keramida K, Papakonstantinou A, Cipolla CM, Tsekoura D, Naka K, Mazzocco K, Mauri D, Tsiknakis M, Manikis GC, Marias K, Marcou Y, Kakouri E, Konstantinou I, Daniel M, Galazi M, Kampouroglou E, Ribnikar D, Brown C, Karanasiou G, Antoniades A, Fotiadis D, Filippatos G, Constantinidou A. New Insights in the Era of Clinical Biomarkers as Potential Predictors of Systemic Therapy-Induced Cardiotoxicity in Women with Breast Cancer: A Systematic Review. Cancers (Basel) 2023; 15:3290. [PMID: 37444400 PMCID: PMC10340234 DOI: 10.3390/cancers15133290] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/09/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
Cardiotoxicity induced by breast cancer therapies is a potentially serious complication associated with the use of various breast cancer therapies. Prediction and better management of cardiotoxicity in patients receiving chemotherapy is of critical importance. However, the management of cancer therapy-related cardiac dysfunction (CTRCD) lacks clinical evidence and is based on limited clinical studies. AIM To provide an overview of existing and potentially novel biomarkers that possess a promising predictive value for the early and late onset of CTRCD in the clinical setting. METHODS A systematic review of published studies searching for promising biomarkers for the prediction of CTRCD in patients with breast cancer was undertaken according to PRISMA guidelines. A search strategy was performed using PubMed, Google Scholar, and Scopus for the period 2013-2023. All subjects were >18 years old, diagnosed with breast cancer, and received breast cancer therapies. RESULTS The most promising biomarkers that can be used for the development of an alternative risk cardiac stratification plan for the prediction and/or early detection of CTRCD in patients with breast cancer were identified. CONCLUSIONS We highlighted the new insights associated with the use of currently available biomarkers as a standard of care for the management of CTRCD and identified potentially novel clinical biomarkers that could be further investigated as promising predictors of CTRCD.
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Affiliation(s)
- Alexia Alexandraki
- A.G. Leventis Clinical Trials Unit, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus; (E.P.); (M.Z.)
| | - Elisavet Papageorgiou
- A.G. Leventis Clinical Trials Unit, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus; (E.P.); (M.Z.)
| | - Marina Zacharia
- A.G. Leventis Clinical Trials Unit, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus; (E.P.); (M.Z.)
| | - Kalliopi Keramida
- 2nd Department of Cardiology, Attikon University Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece;
- Cardiology Department, General Anti-Cancer Oncological Hospital, Agios Savvas, 11522 Athens, Greece
| | - Andri Papakonstantinou
- Department of Oncology-Pathology, Karolinska Institute, 17176 Stockholm, Sweden;
- Department for Breast, Endocrine Tumours and Sarcoma, Karolinska University Hospital, 17176 Stockholm, Sweden
| | - Carlo M. Cipolla
- Cardioncology and Second Opinion Division, European Institute of Oncology (IEO), IRCCS, Via Ripamonti 435, 20141 Milan, Italy;
| | - Dorothea Tsekoura
- 2nd Department of Surgery, Aretaieio University Hospital, National and Kapodistrian University of Athens, 76 Vas. Sofias Av., 11528 Athens, Greece; (D.T.); (E.K.)
| | - Katerina Naka
- 2nd Cardiology Department, University of Ioannina Medical School, 45110 Ioannina, Greece;
| | - Ketti Mazzocco
- Applied Research Division for Cognitive and Psychological Science, European Institute of Oncology IRCCS, 20139 Milan, Italy;
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy
| | - Davide Mauri
- Department of Medical Oncology, University of Ioannina, 45110 Ioannina, Greece;
| | - Manolis Tsiknakis
- Department of Electrical and Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Greece; (M.T.); (K.M.)
- Computational BioMedicine Laboratory (CBML), Institute of Computer Science, Foundation for Research and Technology Hellas (FORTH), 70013 Heraklion, Greece;
| | - Georgios C. Manikis
- Computational BioMedicine Laboratory (CBML), Institute of Computer Science, Foundation for Research and Technology Hellas (FORTH), 70013 Heraklion, Greece;
| | - Kostas Marias
- Department of Electrical and Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Greece; (M.T.); (K.M.)
- Computational BioMedicine Laboratory (CBML), Institute of Computer Science, Foundation for Research and Technology Hellas (FORTH), 70013 Heraklion, Greece;
| | - Yiola Marcou
- Department of Medical Oncology, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus; (Y.M.); (E.K.); (I.K.); (M.G.)
| | - Eleni Kakouri
- Department of Medical Oncology, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus; (Y.M.); (E.K.); (I.K.); (M.G.)
| | - Ifigenia Konstantinou
- Department of Medical Oncology, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus; (Y.M.); (E.K.); (I.K.); (M.G.)
| | - Maria Daniel
- Department of Radiation Oncology, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus;
| | - Myria Galazi
- Department of Medical Oncology, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus; (Y.M.); (E.K.); (I.K.); (M.G.)
| | - Effrosyni Kampouroglou
- 2nd Department of Surgery, Aretaieio University Hospital, National and Kapodistrian University of Athens, 76 Vas. Sofias Av., 11528 Athens, Greece; (D.T.); (E.K.)
| | - Domen Ribnikar
- Division of Medical Oncology, Institute of Oncology Ljubljana, Faculty of Medicine, University of Ljubljana, Zaloska Cesta 2, 1000 Ljubljana, Slovenia;
| | - Cameron Brown
- Translational Medicine, Stremble Ventures Ltd., 59 Christaki Kranou, Limassol 4042, Cyprus;
| | - Georgia Karanasiou
- Biomedical Research Institute, Foundation for Research and Technology, Hellas, 45500 Ioannina, Greece;
| | - Athos Antoniades
- Research and Development, Stremble Ventures Ltd., 59 Christaki Kranou, Limassol 4042, Cyprus;
| | - Dimitrios Fotiadis
- Unit of Medical Technology and Intelligent Information Systems, Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece;
| | - Gerasimos Filippatos
- Cardio-Oncology Clinic, Heart Failure Unit, Department of Cardiology, National and Kapodistrian University of Athens Medical School, Athens University Hospital Attikon, 11527 Athens, Greece;
| | - Anastasia Constantinidou
- Department of Medical Oncology, Bank of Cyprus Oncology Centre, 32 Acropoleos Avenue, Nicosia 2006, Cyprus; (Y.M.); (E.K.); (I.K.); (M.G.)
- School of Medicine, University of Cyprus, Panepistimiou 1, Aglantzia, Nicosia 2408, Cyprus
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Manfrevola F, Chioccarelli T, Mele VG, Porreca V, Mattia M, Cimini D, D'Agostino A, Cobellis G, Fasano S, Schiraldi C, Chianese R, Pierantoni R. Novel Insights into circRNA Saga Coming from Spermatozoa and Epididymis of HFD Mice. Int J Mol Sci 2023; 24:ijms24076865. [PMID: 37047838 PMCID: PMC10095261 DOI: 10.3390/ijms24076865] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/03/2023] [Accepted: 04/04/2023] [Indexed: 04/14/2023] Open
Abstract
Obesity is a pathophysiological disorder associated with adiposity accumulation, oxidative stress, and chronic inflammation state that is progressively increasing in younger population worldwide, negatively affecting male reproductive skills. An emerging topic in the field of male reproduction is circRNAs, covalently closed RNA molecules produced by backsplicing, actively involved in a successful spermatogenesis and in establishing high-quality sperm parameters. However, a direct correlation between obesity and impaired circRNA cargo in spermatozoa (SPZ) remains unclear. In the current work, using C57BL6/J male mice fed with a high-fat diet (HFD, 60% fat) as experimental model of oxidative stress, we investigated the impact of HFD on sperm morphology and motility as well as on spermatic circRNAs. We performed a complete dataset of spermatic circRNA content by a microarray strategy, and differentially expressed (DE)-circRNAs were identified. Using a circRNA/miRNA/target network (ceRNET) analysis, we identified circRNAs potentially involved in oxidative stress and sperm motility pathways. Interestingly, we demonstrated an enhanced skill of HFD sperm in backsplicing activity together with an inefficient epididymal circRNA biogenesis. Fused protein in sarcoma (FUS) and its ability to recruit quaking (QKI) could be involved in orchestrating such mechanism.
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Affiliation(s)
- Francesco Manfrevola
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Teresa Chioccarelli
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Vincenza Grazia Mele
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Veronica Porreca
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Monica Mattia
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Donatella Cimini
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy
| | - Antonella D'Agostino
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Gilda Cobellis
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Silvia Fasano
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Chiara Schiraldi
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Rosanna Chianese
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Riccardo Pierantoni
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
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5
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Xiao P, Shi Z, Liu C, Hagen DE. Characteristics of circulating small noncoding RNAs in plasma and serum during human aging. Aging Med (Milton) 2023; 6:35-48. [PMID: 36911092 PMCID: PMC10000275 DOI: 10.1002/agm2.12241] [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: 10/19/2022] [Revised: 01/05/2023] [Accepted: 01/11/2023] [Indexed: 02/24/2023] Open
Abstract
Objective Aging is a complicated process that triggers age-related disease susceptibility through intercellular communication in the microenvironment. While the classic secretome of senescence-associated secretory phenotype (SASP) including soluble factors, growth factors, and extracellular matrix remodeling enzymes are known to impact tissue homeostasis during the aging process, the effects of novel SASP components, extracellular small noncoding RNAs (sncRNAs), on human aging are not well established. Methods Here, by utilizing 446 small RNA-seq samples from plasma and serum of healthy donors found in the Extracellular RNA (exRNA) Atlas data repository, we correlated linear and nonlinear features between circulating sncRNAs expression and age by the maximal information coefficient (MIC) relationship determination. Age predictors were generated by ensemble machine learning methods (Adaptive Boosting, Gradient Boosting, and Random Forest) and core age-related sncRNAs were determined through weighted coefficients in machine learning models. Functional investigation was performed via target prediction of age-related miRNAs. Results We observed the number of highly expressed transfer RNAs (tRNAs) and microRNAs (miRNAs) showed positive and negative associations with age respectively. Two-variable (sncRNA expression and individual age) relationships were detected by MIC and sncRNAs-based age predictors were established, resulting in a forecast performance where all R 2 values were greater than 0.96 and root-mean-square errors (RMSE) were less than 3.7 years in three ensemble machine learning methods. Furthermore, important age-related sncRNAs were identified based on modeling and the biological pathways of age-related miRNAs were characterized by their predicted targets, including multiple pathways in intercellular communication, cancer and immune regulation. Conclusion In summary, this study provides valuable insights into circulating sncRNAs expression dynamics during human aging and may lead to advanced understanding of age-related sncRNAs functions with further elucidation.
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Affiliation(s)
- Ping Xiao
- Department of Animal and Food Sciences Oklahoma State University Stillwater Oklahoma USA
| | - Zhangyue Shi
- School of Industrial Engineering and Management Oklahoma State University Stillwater Oklahoma USA
| | - Chenang Liu
- School of Industrial Engineering and Management Oklahoma State University Stillwater Oklahoma USA
| | - Darren E Hagen
- Department of Animal and Food Sciences Oklahoma State University Stillwater Oklahoma USA
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Yu H, Yu Q, Mi Y, Wang P, Jin S, Xiao L, Guo Q, Wu Y. Hydrogen Sulfide Inhibited Sympathetic Activation in D-Galactose-Induced Aging Rats by Upregulating Klotho and Inhibiting Inflammation in the Paraventricular Nucleus. Biomedicines 2023; 11:biomedicines11020566. [PMID: 36831102 PMCID: PMC9953477 DOI: 10.3390/biomedicines11020566] [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: 12/13/2022] [Revised: 01/19/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023] Open
Abstract
The present study aimed to explore the central relationship between cardiovascular conditions and aging. D-galactose (D-gal) was utilized to induce an accelerated aging model and to evaluate the effects of hydrogen sulfide (H2S) on aging-related cardiovascular risk factors and mechanisms. Eight-week-old Sprague Dawley rats were given an intraperitoneal injection of 250 mg/kg D-gal every day with or without H2S (56 μmol/kg) for 12 weeks. We found that D-gal treatment induced a noticeably aging-related increase in p16, p53 and p21 protein levels and senescence-associated beta-galactosidase staining. In addition, the level of noradrenalin was increased, accompanied by enhanced blood pressure and renal sympathetic nerve activity in aged rats. The greater sympathetic responses were related with the increased level of inflammation. The decreased level of klotho in the paraventricular nucleus neuron also contributed to sympathetic activation in D-gal-induced aged rats. However, the exogenous administration of H2S attenuated the sympathetic activity in aged rats, as evidenced by the decreased blood pressure, renal sympathetic nerve activity and noradrenalin level. The ameliorated cellular senescence, inflammation and heightened klotho in the paraventricular nucleus were attributed to the protective effects of H2S. The present study provides further evidence for the drug development of H2S for the prevention or treatment of the aging-associated cardiovascular diseases.
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Affiliation(s)
- Hao Yu
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China
| | - Qiyao Yu
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China
- Department of Research, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Yuan Mi
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China
- Department of Emergency, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Ping Wang
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China
| | - Sheng Jin
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China
| | - Lin Xiao
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China
| | - Qi Guo
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China
- Experimental Center for Teaching, Hebei Medical University, Shijiazhuang 050017, China
- Correspondence: (Q.G.); (Y.W.); Tel./Fax: +86-311-8626-1288 (Y.W.)
| | - Yuming Wu
- Department of Physiology, Institute of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China
- Hebei Collaborative Innovation Center for Cardio-Cerebrovascular Disease, Shijiazhuang 050017, China
- Key Laboratory of Vascular Medicine of Hebei Province, Shijiazhuang 050017, China
- Correspondence: (Q.G.); (Y.W.); Tel./Fax: +86-311-8626-1288 (Y.W.)
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7
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Proprotein Convertase Subtilisin/Kexin 6 in Cardiovascular Biology and Disease. Int J Mol Sci 2022; 23:ijms232113429. [DOI: 10.3390/ijms232113429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
Proprotein convertase subtilisin/kexin 6 (PCSK6) is a secreted serine protease expressed in most major organs, where it cleaves a wide range of growth factors, signaling molecules, peptide hormones, proteolytic enzymes, and adhesion proteins. Studies in Pcsk6-deficient mice have demonstrated the importance of Pcsk6 in embryonic development, body axis specification, ovarian function, and extracellular matrix remodeling in articular cartilage. In the cardiovascular system, PCSK6 acts as a key modulator in heart formation, lipoprotein metabolism, body fluid homeostasis, cardiac repair, and vascular remodeling. To date, dysregulated PCSK6 expression or function has been implicated in major cardiovascular diseases, including atrial septal defects, hypertension, atherosclerosis, myocardial infarction, and cardiac aging. In this review, we describe biochemical characteristics and posttranslational modifications of PCSK6. Moreover, we discuss the role of PCSK6 and related molecular mechanisms in cardiovascular biology and disease.
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8
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Alejandro SP. ER stress in cardiac aging, a current view on the D-galactose model. Exp Gerontol 2022; 169:111953. [PMID: 36116694 DOI: 10.1016/j.exger.2022.111953] [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: 05/27/2022] [Revised: 09/07/2022] [Accepted: 09/12/2022] [Indexed: 12/15/2022]
Abstract
Longitudinal studies are mandatory to study aging, however, they have certain drawbacks, for example, they require strict maintenance that is expensive given the breeding time (approximately 2 years) and with a low survival rate, having some animals to study very limitedly. In vitro studies provide useful and invaluable information on the cellular and molecular mechanisms that help understand the aging process to overcome these aspects. In particular, the model of premature aging induced by chronic exposure to D-galactose (D-Gal) offers a very similar picture to that which occurs in natural aging. This model mimics most of the old animals' cellular processes, such as oxidative stress, mitochondrial dysfunction, increased advanced glycation end products (AGEs), inflammation, and senescence-associated secretory phenotype (SASP). However, the information related to the endoplasmic reticulum (ER) stress and, subsequently, the unfolded protein response (UPR) is not fully elucidated. Therefore, this review brings together the most current information on this response in the D-Gal-induced aging model and its effect on cardiac structure and function.
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Affiliation(s)
- Silva-Palacios Alejandro
- Department of Cardiovascular Biomedicine, National Institute of Cardiology "Ignacio Chávez", Mexico City, Mexico.
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9
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Suur BE, Chemaly M, Lindquist Liljeqvist M, Djordjevic D, Stenemo M, Bergman O, Karlöf E, Lengquist M, Odeberg J, Hurt-Camejo E, Eriksson P, Ketelhuth DF, Roy J, Hedin U, Nyberg M, Matic L. Therapeutic potential of the Proprotein Convertase Subtilisin/Kexin family in vascular disease. Front Pharmacol 2022; 13:988561. [PMID: 36188622 PMCID: PMC9520287 DOI: 10.3389/fphar.2022.988561] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
Proprotein convertase subtilisin/kexins (PCSKs) constitute a family of nine related proteases: PCSK1-7, MBTPS1, and PCSK9. Apart from PCSK9, little is known about PCSKs in cardiovascular disease. Here, we aimed to investigate the expression landscape and druggability potential of the entire PCSK family for CVD. We applied an integrative approach, combining genetic, transcriptomic and proteomic data from three vascular biobanks comprising carotid atherosclerosis, thoracic and abdominal aneurysms, with patient clinical parameters and immunohistochemistry of vascular biopsies. Apart from PCSK4, all PCSK family members lie in genetic regions containing variants associated with human cardiovascular traits. Transcriptomic analyses revealed that FURIN, PCSK5, MBTPS1 were downregulated, while PCSK6/7 were upregulated in plaques vs. control arteries. In abdominal aneurysms, FURIN, PCSK5, PCSK7, MBTPS1 were downregulated, while PCSK6 was enriched in diseased media. In thoracic aneurysms, only FURIN was significantly upregulated. Network analyses of the upstream and downstream pathways related to PCSKs were performed on the omics data from vascular biopsies, revealing mechanistic relationships between this protein family and disease. Cell type correlation analyses and immunohistochemistry showed that PCSK transcripts and protein levels parallel each other, except for PCSK9 where transcript was not detected, while protein was abundant in vascular biopsies. Correlations to clinical parameters revealed a positive association between FURIN plaque levels and serum LDL, while PCSK6 was negatively associated with Hb. PCSK5/6/7 were all positively associated with adverse cardiovascular events. Our results show that PCSK6 is abundant in plaques and abdominal aneurysms, while FURIN upregulation is characteristic for thoracic aneurysms. PCSK9 protein, but not the transcript, was present in vascular lesions, suggesting its accumulation from circulation. Integrating our results lead to the development of a novel ‘molecular’ 5D framework. Here, we conducted the first integrative study of the proprotein convertase family in this context. Our results using this translational pipeline, revealed primarily PCSK6, followed by PCSK5, PCSK7 and FURIN, as proprotein convertases with the highest novel therapeutic potential.
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Affiliation(s)
- Bianca E. Suur
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Melody Chemaly
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | | | - Djordje Djordjevic
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Global Research Technologies, Novo Nordisk A/S, Maaloev, Denmark
| | - Markus Stenemo
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Otto Bergman
- Department of Medicine, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Eva Karlöf
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Mariette Lengquist
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Jacob Odeberg
- Department of Medicine, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Science for Life Laboratory, Department of Proteomics, School of Biotechnology, Royal Institute of Technology, Stockholm, Sweden
| | - Eva Hurt-Camejo
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Biopharmaceutical R&D, AstraZeneca, Mölndal, Sweden
| | - Per Eriksson
- Department of Medicine, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Daniel F.J. Ketelhuth
- Department of Medicine, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Cardiovascular and Renal Research, University of Southern Denmark, Odense, Denmark
| | - Joy Roy
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Ulf Hedin
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Michael Nyberg
- Global Drug Discovery, Novo Nordisk A/S, Maaloev, Denmark
| | - Ljubica Matic
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- *Correspondence: Ljubica Matic,
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Alteration of E2F2 Expression in Governing Endothelial Cell Senescence. Genes (Basel) 2022; 13:genes13091522. [PMID: 36140689 PMCID: PMC9498592 DOI: 10.3390/genes13091522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/16/2022] [Accepted: 08/23/2022] [Indexed: 01/10/2023] Open
Abstract
Endothelial cell senescence has a vital implication for vascular dysfunction, leading to age-related cardiovascular disease, especially hypertension and atherosclerosis. E2F transcription factor 2 (E2F2) plays a critical role in cell proliferation, differentiation, and DNA damage response. Up to date, no study has ever connected E2F2 to vascular endothelial cell senescence. Here, we demonstrate that E2F2 is involved in endothelial cellular senescence. We found that E2F2 expression is decreased during the replicative senescence of human umbilical vein endothelial cells (HUVECs) and the aortas of aged mice. The knockdown of E2F2 in young HUVECs induces premature senescence characterized by an increase in senescence-associated β-galactosidase (SA-β-gal) activity, a reduction in phosphorylated endothelial nitric oxide synthase (p-eNOS) and sirtuin 1 (SIRT1), and the upregulation of senescence-associated secretory phenotype (SASP) IL-6 and IL-8. The lack of E2F2 promoted cell cycle arrest, DNA damage, and cell proliferation inhibition. Conversely, E2F2 overexpression reversed the senescence phenotype and enhanced the cellular function in the senescent cells. Furthermore, E2F2 deficiency downregulated downstream target genes including CNNA2, CDK1, and FOXM1, and overexpression restored the expression of these genes. Our findings demonstrate that E2F2 plays an indispensable role in endothelial cell senescence.
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