1
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Karwen T, Kolczynska‐Matysiak K, Gross C, Löffler MC, Friedrich M, Loza‐Valdes A, Schmitz W, Wit M, Dziaczkowski F, Belykh A, Trujillo‐Viera J, El‐Merahbi R, Deppermann C, Nawaz S, Hastoy B, Demczuk A, Erk M, Wieckowski MR, Rorsman P, Heinze KG, Stegner D, Nieswandt B, Sumara G. Platelet-derived lipids promote insulin secretion of pancreatic β cells. EMBO Mol Med 2023; 15:e16858. [PMID: 37490001 PMCID: PMC10493578 DOI: 10.15252/emmm.202216858] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 07/04/2023] [Accepted: 07/07/2023] [Indexed: 07/26/2023] Open
Abstract
Hyperreactive platelets are commonly observed in diabetic patients indicating a potential link between glucose homeostasis and platelet reactivity. This raises the possibility that platelets may play a role in the regulation of metabolism. Pancreatic β cells are the central regulators of systemic glucose homeostasis. Here, we show that factor(s) derived from β cells stimulate platelet activity and platelets selectively localize to the vascular endothelium of pancreatic islets. Both depletion of platelets and ablation of major platelet adhesion or activation pathways consistently resulted in impaired glucose tolerance and decreased circulating insulin levels. Furthermore, we found platelet-derived lipid classes to promote insulin secretion and identified 20-Hydroxyeicosatetraenoic acid (20-HETE) as the main factor promoting β cells function. Finally, we demonstrate that the levels of platelet-derived 20-HETE decline with age and that this parallels with reduced impact of platelets on β cell function. Our findings identify an unexpected function of platelets in the regulation of insulin secretion and glucose metabolism, which promotes metabolic fitness in young individuals.
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Affiliation(s)
- Till Karwen
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
| | | | - Carina Gross
- Institute of Experimental Biomedicine IUniversity Hospital WürzburgWürzburgGermany
| | - Mona C Löffler
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
| | - Mike Friedrich
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
| | - Angel Loza‐Valdes
- Nencki Institute of Experimental BiologyPolish Academy of SciencesWarszawaPoland
| | - Werner Schmitz
- Theodor Boveri Institute, BiocenterUniversity of WürzburgWürzburgGermany
| | - Magdalena Wit
- Nencki Institute of Experimental BiologyPolish Academy of SciencesWarszawaPoland
| | - Filip Dziaczkowski
- Nencki Institute of Experimental BiologyPolish Academy of SciencesWarszawaPoland
| | - Andrei Belykh
- Nencki Institute of Experimental BiologyPolish Academy of SciencesWarszawaPoland
| | - Jonathan Trujillo‐Viera
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
| | - Rabih El‐Merahbi
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
| | - Carsten Deppermann
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
- Center for Thrombosis and HemostasisUniversity Medical Center of the Johannes Gutenberg‐UniversityMainzGermany
| | - Sameena Nawaz
- Radcliffe Department of Medicine, Oxford Centre for Diabetes, Endocrinology and MetabolismChurchill HospitalOxfordUK
| | - Benoit Hastoy
- Radcliffe Department of Medicine, Oxford Centre for Diabetes, Endocrinology and MetabolismChurchill HospitalOxfordUK
| | - Agnieszka Demczuk
- Nencki Institute of Experimental BiologyPolish Academy of SciencesWarszawaPoland
| | - Manuela Erk
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
| | - Mariusz R Wieckowski
- Nencki Institute of Experimental BiologyPolish Academy of SciencesWarszawaPoland
| | - Patrik Rorsman
- Radcliffe Department of Medicine, Oxford Centre for Diabetes, Endocrinology and MetabolismChurchill HospitalOxfordUK
- Department of Physiology, Institute of Neuroscience and PhysiologyUniversity of GöteborgGöteborgSweden
- Oxford National Institute for Health Research, Biomedical Research CentreChurchill HospitalOxfordUK
| | - Katrin G Heinze
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
| | - David Stegner
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
- Institute of Experimental Biomedicine IUniversity Hospital WürzburgWürzburgGermany
| | - Bernhard Nieswandt
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
- Institute of Experimental Biomedicine IUniversity Hospital WürzburgWürzburgGermany
| | - Grzegorz Sumara
- Rudolf Virchow Center for Integrative and Translational BioimagingJulius‐Maximilians University of WürzburgWürzburgGermany
- Nencki Institute of Experimental BiologyPolish Academy of SciencesWarszawaPoland
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2
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Konstorum A, Mohanty S, Zhao Y, Melillo A, Vander Wyk B, Nelson A, Tsang S, Blevins TP, Belshe R, Chawla DG, Rondina MT, Gill TM, Montgomery RR, Allore HG, Kleinstein SH, Shaw AC. Platelet response to influenza vaccination reflects effects of aging. Aging Cell 2023; 22:e13749. [PMID: 36656789 PMCID: PMC9924941 DOI: 10.1111/acel.13749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 10/21/2022] [Accepted: 11/15/2022] [Indexed: 01/20/2023] Open
Abstract
Platelets are uniquely positioned as mediators of not only hemostasis but also innate immunity. However, how age and geriatric conditions such as frailty influence platelet function during an immune response remains unclear. We assessed the platelet transcriptome at baseline and following influenza vaccination in Younger (age 21-35) and Older (age ≥65) adults (including community-dwelling individuals who were largely non-frail and skilled nursing facility (SNF)-resident adults who nearly all met criteria for frailty). Prior to vaccination, we observed an age-associated increase in the expression of platelet activation and mitochondrial RNAs and decrease in RNAs encoding proteins mediating translation. Age-associated differences were also identified in post-vaccination response trajectories over 28 days. Using tensor decomposition analysis, we found increasing RNA expression of genes in platelet activation pathways in young participants, but decreasing levels in (SNF)-resident adults. Translation RNA trajectories were inversely correlated with these activation pathways. Enhanced platelet activation was found in community-dwelling older adults at the protein level, compared to young individuals both prior to and post-vaccination; whereas SNF residents showed decreased platelet activation compared to community-dwelling older adults that could reflect the influence of decreased translation RNA expression. Our results reveal alterations in the platelet transcriptome and activation responses that may contribute to age-associated chronic inflammation and the increased incidence of thrombotic and pro-inflammatory diseases in older adults.
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Affiliation(s)
- Anna Konstorum
- Department of PathologyYale School of MedicineNew HavenConnecticutUSA
| | - Subhasis Mohanty
- Department of Internal Medicine, Section of Infectious DiseasesYale School of MedicineNew HavenConnecticutUSA
| | - Yujiao Zhao
- Section of Rheumatology, Department of Internal MedicineYale School of MedicineNew HavenConnecticutUSA
| | - Anthony Melillo
- Department of PathologyYale School of MedicineNew HavenConnecticutUSA
| | - Brent Vander Wyk
- Department of Internal Medicine, Section of Geriatrics and Program on AgingYale School of MedicineNew HavenConnecticutUSA
| | - Allison Nelson
- Department of Internal Medicine, Section of Infectious DiseasesYale School of MedicineNew HavenConnecticutUSA
| | - Sui Tsang
- Department of Internal Medicine, Section of Geriatrics and Program on AgingYale School of MedicineNew HavenConnecticutUSA
| | - Tamara P. Blevins
- Division of Infectious Diseases, Department of MedicineSaint Louis University School of MedicineSt. LouisMissouriUSA
| | - Robert B. Belshe
- Division of Infectious Diseases, Department of MedicineSaint Louis University School of MedicineSt. LouisMissouriUSA
| | - Daniel G. Chawla
- Program in Computational Biology and BioinformaticsYale UniversityNew HavenConnecticutUSA
| | - Matthew T. Rondina
- Departments of Internal Medicine and Pathology, and the Molecular Medicine ProgramUniversity of Utah HealthSalt Lake CityUtahUSA
- Department of Medicine and the GRECCGeorge E. Wahlen VAMCSalt Lake CityUtahUSA
| | - Thomas M. Gill
- Department of Internal Medicine, Section of Geriatrics and Program on AgingYale School of MedicineNew HavenConnecticutUSA
| | - Ruth R. Montgomery
- Section of Rheumatology, Department of Internal MedicineYale School of MedicineNew HavenConnecticutUSA
| | - Heather G. Allore
- Department of Internal Medicine, Section of Geriatrics and Program on AgingYale School of MedicineNew HavenConnecticutUSA
| | - Steven H. Kleinstein
- Department of PathologyYale School of MedicineNew HavenConnecticutUSA
- Program in Computational Biology and BioinformaticsYale UniversityNew HavenConnecticutUSA
| | - Albert C. Shaw
- Department of Internal Medicine, Section of Infectious DiseasesYale School of MedicineNew HavenConnecticutUSA
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3
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Jain K, Gu SX, Hwa J. Cross talk on "endogenous SOD2 (superoxide dismutase) regulates platelet-dependent thrombin generation and thrombosis during aging" SOD2 in platelets: with age comes responsibility. JOURNAL OF THROMBOSIS AND HAEMOSTASIS : JTH 2023; 21:1077-1081. [PMID: 36716965 DOI: 10.1016/j.jtha.2023.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/13/2023] [Accepted: 01/18/2023] [Indexed: 01/29/2023]
Affiliation(s)
- Kanika Jain
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, Connecticut, USA
| | - Sean X Gu
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, Connecticut, USA; Department of Laboratory Medicine, Yale University School of Medicine, Yale New Haven Hospital, New Haven, Connecticut, USA
| | - John Hwa
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, Connecticut, USA.
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4
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Tyagi T, Jain K, Yarovinsky TO, Chiorazzi M, Du J, Castro C, Griffin J, Korde A, Martin KA, Takyar SS, Flavell RA, Patel AA, Hwa J. Platelet-derived TLT-1 promotes tumor progression by suppressing CD8+ T cells. J Exp Med 2023; 220:213620. [PMID: 36305874 DOI: 10.1084/jem.20212218] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 04/25/2022] [Accepted: 10/05/2022] [Indexed: 01/19/2023] Open
Abstract
Current understanding of tumor immunosuppressive mechanisms forms the basis for modern day immunotherapies. Immunoregulatory role of platelets in cancer remains largely elusive. Platelets from non-small cell lung cancer (NSCLC) patients revealed a distinct activation phenotype. TREM-like transcript 1 (TLT-1), a platelet protein, was increased along with enhanced extracellular release from NSCLC platelets. The increased platelet TLT-1 was also evident in humanized mice with patient-derived tumors. In immunocompetent mice with syngeneic tumors, TLT-1 binding to T cells, in vivo, led to suppression of CD8 T cells, promoting tumor growth. We identified direct interaction between TLT-1 and CD3ε on T cells, implicating the NF-κB pathway in CD8 T cell suppression. Anti-TLT-1 antibody rescued patients' T cells from platelet-induced suppression ex vivo and reduced tumors in mice in vivo. Clinically, higher TLT-1 correlated with reduced survival of NSCLC patients. Our findings thus identify TLT-1 as a platelet-derived immunosuppressor that suppresses CD8 T cells and demonstrate its therapeutic and prognostic significance in cancer.
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Affiliation(s)
- Tarun Tyagi
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Kanika Jain
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Timur O Yarovinsky
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Michael Chiorazzi
- Department of Immunobiology, Howard Hughes Medical Institute, Yale School of Medicine, New Haven, CT.,Yale Cancer Center, New Haven, CT
| | - Jing Du
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Cecilia Castro
- Department of Biochemistry, Cambridge University, Cambridge, UK
| | - Jules Griffin
- Department of Biochemistry, Cambridge University, Cambridge, UK
| | - Asawari Korde
- Pulmonary Critical Care, Yale Internal Medicine, New Haven, CT
| | - Kathleen A Martin
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Shervin S Takyar
- Pulmonary Critical Care, Yale Internal Medicine, New Haven, CT.,Yale Cancer Center, New Haven, CT
| | - Richard A Flavell
- Department of Immunobiology, Howard Hughes Medical Institute, Yale School of Medicine, New Haven, CT.,Yale Cancer Center, New Haven, CT
| | - Abhijit A Patel
- Yale Therapeutic Radiology, Yale Cancer Center, New Haven, CT.,Yale Cancer Center, New Haven, CT
| | - John Hwa
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT.,Yale Cancer Center, New Haven, CT
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5
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An Insight into Platelets at Older Age: Cellular and Clinical Perspectives. Subcell Biochem 2023; 102:343-363. [PMID: 36600139 DOI: 10.1007/978-3-031-21410-3_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Higher access to medical care, advanced diagnostic tools, and overall public health improvements have favored increased humans lifespan. With a growing proportion of older adults, the associated costs to care for ageing-associated conditions will continue to grow. This chapter highlights recent cellular and clinical evidence of platelets at an older age, from the hyperreactive phenotype associated with thrombosis to the well-known hallmarks of ageing identifiable in platelets and their potential functional implications on platelets at an older age. Therefore, it is imperative to understand platelets' molecular and cellular mechanisms during ageing in health and disease. New knowledge will favor the development of new ways to prevent some of the age-associated complications where platelets are key players.
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6
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Sonkar VK, Eustes AS, Ahmed A, Jensen M, Solanki MV, Swamy J, Kumar R, Fidler TP, Houtman JC, Allen BG, Spitz DR, Abel ED, Dayal S. Endogenous SOD2 (Superoxide Dismutase) Regulates Platelet-Dependent Thrombin Generation and Thrombosis During Aging. Arterioscler Thromb Vasc Biol 2023; 43:79-91. [PMID: 36325902 PMCID: PMC9780178 DOI: 10.1161/atvbaha.121.317735] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/24/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Reactive oxygen species (ROS) contribute to platelet hyperactivation during aging. Several oxidative pathways and antioxidant enzymes have been implicated; however, their mechanistic contributions during aging remain elusive. We hypothesized that mitochondria are an important source of platelet ROS and that mitochondrial SOD2 (superoxide dismutase) protects against mitochondrial ROS-driven platelet activation and thrombosis during aging. METHODS We studied littermates of platelet-specific SOD2-knockout (SOD2fl/flPf4Cre, pSOD2-KO) and control (SOD2fl/fl) mice at young (4-5 months) or old (18-20 months) ages. We examined agonist-induced platelet activation, platelet-dependent thrombin generation potential, and susceptibility to in vivo thrombosis. RESULTS Platelet αIIbβ3 activation, aggregation, and adhesion were increased to similar extents in aged mice of both genotypes compared with young mice. In contrast, the age-dependent increases in mitochondrial and total cellular ROS, calcium elevation, and phosphatidylserine exposure were augmented in platelets from pSOD2-KO mice compared with control mice. Aged pSOD2-KO mice showed increased platelet-dependent thrombin generation compared with aged control mice. In vivo, aged pSOD2-KO mice exhibited enhanced susceptibility to carotid artery and pulmonary thrombosis compared to aged control mice. Adoptive transfer of platelets from aged pSOD2-KO but not aged control mice increased thrombotic susceptibility in aged host mice, suggesting a prothrombotic effect of platelet pSOD2 deficiency. Treatment with avasopasem manganese (GC4419), a SOD mimetic, decreased platelet mitochondrial pro-oxidants, cellular ROS levels, and inhibited procoagulant platelet formation and arterial thrombosis in aged mice. CONCLUSIONS Platelet mitochondrial ROS contributes to age-related thrombosis and endogenous SOD2 protects from platelet-dependent thrombin generation and thrombosis during aging.
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Affiliation(s)
- Vijay K Sonkar
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Alicia S Eustes
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Azaj Ahmed
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Melissa Jensen
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Mitali V Solanki
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Jagadish Swamy
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Rahul Kumar
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Trevor P. Fidler
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Jon C.D. Houtman
- Departments of Microbiology & Immunology, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Bryan G. Allen
- Free Radical and Radiation Biology Program, Radiation Oncology, Holden Comprehensive Cancer Center University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Douglas R Spitz
- Free Radical and Radiation Biology Program, Radiation Oncology, Holden Comprehensive Cancer Center University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - E. Dale Abel
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
- Current address David Geffen School of Medicine, UCLA, Los Angeles, CA
| | - Sanjana Dayal
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa
- Iowa City VA Healthcare System, Iowa City, Iowa
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7
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Zhu C, Zuo Z, Xu C, Ji M, He J, Li J. Tumstatin (69-88) alleviates heart failure via attenuating oxidative stress in rats with myocardial infarction. Heliyon 2022; 8:e10582. [PMID: 36158078 PMCID: PMC9489976 DOI: 10.1016/j.heliyon.2022.e10582] [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: 03/02/2022] [Revised: 06/30/2022] [Accepted: 09/05/2022] [Indexed: 11/30/2022] Open
Abstract
Background This study aimed to elucidate the effects of tumstatin (69–88) on heart failure and the underlying mechanism. Materials and methods Myocardial infarction (MI) was induced by ligating the left coronary artery in rats to trigger heart failure. Results Tumstatin (69–88) can reduce cardiac insufficiency in rats with heart failure. The increased cardiac fibrosis in MI rat was attenuated by tumstatin (69–88). Increase of cardiac atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) in rats with myocardial infarction, and Ang II-treated NRCMs or H9C2 cells was inhibited by tumstatin (69–88). In the heart of MI rats, and Ang II-treated NRCMs or H9C2 cells, the superoxide anions and NADPH oxidase (Nox) activity rose and the superoxide dismutase (SOD) activity was reduced, which was inhibited by tumstatin (69–88). Diethyldithiocarbamate, an SOD inhibitor, increased the ANP and BNP in NRCMs or H9C2 cells. Tumstatin (69–88) inhibited the Ang II-induced raises of ANP and BNP in NRCMs or H9C2 cells, which was reversed by DETC. Conclusions These results indicate that tumstatin (69–88) alleviates cardiac dysfunction of heart failure. Tumstatin (69–88) improves the hypertrophy of cardiomyocytes via attenuation of oxidative stress. Tumstatin (69–88) may be a potential drug for heart failure in the future.
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Affiliation(s)
- Congfei Zhu
- Department of Cardiology, Lianshui County People's Hospital, Huaian, China
| | - Zhi Zuo
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Cheng Xu
- Department of Cardiology, Lianshui County People's Hospital, Huaian, China
| | - Mingyue Ji
- Department of Cardiology, Lianshui County People's Hospital, Huaian, China
| | - Junjie He
- Department of Cardiology, Lianshui County People's Hospital, Huaian, China
| | - Jinshuang Li
- Department of Cardiology, Suqian Hospital Affiliated of Xuzhou Medical University, Suqian, China
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8
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Chen X, Li R, Hou X, Wang Y, Pan M, Kang N, Yuchi Y, Liao W, Liu X, Mao Z, Huo W, Wang C, Hou J. Mediation Effect of Platelet Traits on Associations of Central Obesity with Aging Biomarkers in Rural Adults of Henan, China. Nutrients 2022; 14:nu14173597. [PMID: 36079858 PMCID: PMC9460072 DOI: 10.3390/nu14173597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/15/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022] Open
Abstract
Background: To assess the associations of platelet traits and obesity indices with aging biomarkers (telomere length (TL) and mitochondrial DNA copy number (mtDNA-CN)). Methods: A cross-sectional study was performed among 5091 rural Chinese adults. Obesity indices (waist circumference (WC), waist-to-hip ratio (WHR) and waist-to-height ratio (WHtR)) and platelet traits (plateletcrit (PCT), platelet large cell ratio (P-LCR), mean platelet volume (MPV) and platelet distribution width (PDW)) were collected by physical examination. The aging biomarkers were determined by quantitative real-time polymerase chain reaction. Generalized linear regression models and mediation analysis were applied to explore the relationships between platelet traits, obesity indices, and aging biomarkers. Results: The mean age of the participants was 56 years (range: 18–79). Each one-unit increment in WC, WHR and WHtR were related to a 0.316 (95% confidence interval (CI): −0.437, −0.196), 0.323 (95% CI: −0.513, −0.134) and 0.277 (95% CI: −0.400, −0.153) decrease in relative TL; or a 0.102 (95% CI: −0.197, −0.007), 0.109 (95% CI: −0.258, −0.041) and 0.101 (95% CI: −0.199, −0.004) decrease in relative mtDNA-CN. The proportions of obesity indices with aging biomarkers mediated by platelet indices ranged from 2.85% to 10.10%. Conclusions: Increased central obesity indices in relation to shortened relative TL or decreased mtDNA-CN were mediated by platelet traits, indicating that obesity in association with the accelerated aging process may be partially attributable to abnormal platelet activity.
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Affiliation(s)
- Xinwei Chen
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Ruiying Li
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaoyu Hou
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yuqin Wang
- Guangzhou First People’s Hospital, School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Mingming Pan
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Ning Kang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yinghao Yuchi
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Wei Liao
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaotian Liu
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Zhenxing Mao
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Wenqian Huo
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Chongjian Wang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Jian Hou
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
- Correspondence: ; Tel.: +86-371-67781452; Fax: +86-371-67781919
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9
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Abstract
Thrombosis is a common disorder with a relevant burden of morbidity and mortality worldwide, particularly among elderly patients. Growing evidence demonstrated a direct role of oxidative stress in thrombosis, with various cell types contributing to this process. Among them, erythrocytes produce high quantities of intracellular reactive oxygen species (ROS) by NADPH oxidase activation and haemoglobin autoxidation. Concomitantly, extracellular ROS released by other cells in the blood flow can be uptaken and accumulate within erythrocytes. This oxidative milieu can alter erythrocyte membrane structure, leading to an impaired erythrocyte function, and promoting erythrocytes lysis, binding to endothelial cells, activation of platelet and of coagulation factors, phosphatidylserine exposure and release of microvesicles. Moreover, these abnormal erythrocytes are able to adhere to the vessel wall, contributing to thrombin generation within the thrombus. This process results in accelerated haemolysis and in a hypercoagulable state, in which structurally impaired erythrocytes contribute to increase thrombus size, to reduce its permeability and susceptibility to lysis. However, the wide plethora of mechanisms by which oxidised erythrocytes contribute to thrombosis is not completely elucidated. This review discusses the main biochemical aspects linking erythrocytes, oxidative stress and thrombosis, addressing their potential implication for clinical and therapeutic management.
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10
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Water-Soluble Tomato Concentrate, a Potential Antioxidant Supplement, Can Attenuate Platelet Apoptosis and Oxidative Stress in Healthy Middle-Aged and Elderly Adults: A Randomized, Double-Blinded, Crossover Clinical Trial. Nutrients 2022; 14:nu14163374. [PMID: 36014880 PMCID: PMC9412583 DOI: 10.3390/nu14163374] [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: 07/05/2022] [Revised: 08/14/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
Increased oxidative stress and platelet apoptotic in middle-aged and elderly adults are important risk factors for atherosclerotic cardiovascular disease (ASCVD). Therefore, it is of great significance to control the oxidative stress and platelet apoptosis in middle-aged and elderly adults. Previous acute clinical trials have shown that water-soluble tomato concentrate (WSTC) from fresh tomatoes could exert antiplatelet benefits after 3 h or 7 h, but its effects on platelet apoptosis and oxidative stress are still unknown, especially in healthy middle-aged and elderly adults. This current study aimed to examine the efficacies of WSTC on platelet apoptosis and oxidative stress in healthy middle-aged and elderly adults via a randomized double-blinded placebo-controlled crossover clinical trial (10 weeks in total). A total of 52 healthy middle-aged and elderly adults completed this trial. The results showed that WSTC could increase the serum total antioxidant capacity levels (p < 0.05) and decrease the serum malondialdehyde levels (p < 0.05) after a 4-week WSTC supplementation in healthy middle-aged and elderly adults. Platelet endogenous reactive oxygen species generation (p < 0.05), mitochondrial membrane potential dissipation (p < 0.05) and phosphatidylserine exposure (p < 0.05) were attenuated. In addition, our present study also found that WSTC could inhibit platelet aggregation and activation induced by collagen or ADP after intervention (p < 0.05), while having no effects on adverse events (p > 0.05). The results suggest that WSTC can inhibit oxidative stress and its related platelet apoptosis, which may provide a basis for the primary prevention of WSTC in ASCVD.
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Jain K, Tyagi T, Du J, Hu X, Patell K, Martin KA, Hwa J. Unfolded Protein Response Differentially Modulates the Platelet Phenotype. Circ Res 2022; 131:290-307. [PMID: 35862006 PMCID: PMC9357223 DOI: 10.1161/circresaha.121.320530] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 07/06/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND Unfolded protein response (UPR) is a multifaceted signaling cascade that alleviates protein misfolding. Although well studied in nucleated cells, UPR in absence of transcriptional regulation has not been described. Intricately associated with cardiovascular diseases, platelets, despite being anucleate, respond rapidly to stressors in blood. We investigate the UPR in anucleate platelets and explore its role, if any, on platelet physiology and function. METHODS Human and mouse platelets were studied using a combination of ex vivo and in vivo experiments. Platelet lineage-specific knockout mice were generated independently for each of the 3 UPR pathways, PERK (protein kinase RNA [PKR]-like endoplasmic reticulum kinase), XBP1 (X-binding protein), and ATF6 (activating transcription factor 6). Diabetes patients were prospectively recruited, and platelets were evaluated for activation of UPR under chronic pathophysiological disease conditions. RESULTS Tunicamycin induced the IRE1α (inositol-requiring enzyme-1alpha)-XBP1 pathway in human and mouse platelets, while oxidative stress predominantly activated the PERK pathway. PERK deletion significantly increased platelet aggregation and apoptosis and phosphorylation of PLCγ2, PLCβ3, and p38 MAPK. Deficiency of XBP1 increased platelet aggregation, with higher PLCβ3 and PKCδ activation. ATF6 deletion mediated a relatively modest effect on platelet phenotype with increased PKA (protein kinase A). Platelets from diabetes patients exhibited a positive correlation between disease severity, platelet activation, and protein aggregation, with only IRE1α-XBP1 activation. Moreover, IRE1α inhibition increased platelet aggregation, while clinically approved chemical chaperone, sodium 4-phenylbutyrate reduced the platelet hyperactivation. CONCLUSIONS We show for the first time, that UPR activation occurs in platelets and can be independent of genomic regulation, with selective induction being specific to the source and severity of stress. Each UPR pathway plays a key role and can differentially modulate the platelet activation pathways and phenotype. Targeting the specific arms of UPR may provide a new antiplatelet strategy to mitigate thrombotic risk in diabetes and other cardiovascular diseases.
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Affiliation(s)
- Kanika Jain
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, Room 759, New Haven, CT 06511
| | - Tarun Tyagi
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, Room 759, New Haven, CT 06511
| | - Jing Du
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, Room 759, New Haven, CT 06511
| | - Xiaoyue Hu
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, Room 759, New Haven, CT 06511
| | - Kanchi Patell
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, Room 759, New Haven, CT 06511
| | - Kathleen A. Martin
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, Room 759, New Haven, CT 06511
| | - John Hwa
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, Room 759, New Haven, CT 06511
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12
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Dai S, Tian Z, Zhao D, Liang Y, Liu M, Liu Z, Hou S, Yang Y. Effects of Coenzyme Q10 Supplementation on Biomarkers of Oxidative Stress in Adults: A GRADE-Assessed Systematic Review and Updated Meta-Analysis of Randomized Controlled Trials. Antioxidants (Basel) 2022; 11:antiox11071360. [PMID: 35883851 PMCID: PMC9311997 DOI: 10.3390/antiox11071360] [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: 06/06/2022] [Revised: 07/07/2022] [Accepted: 07/11/2022] [Indexed: 11/23/2022] Open
Abstract
Evidence shows that exogenous CoQ10 supplementation may potentially attenuate oxidative stress status. However, its effective dose and evidence certainty require further evaluation in the general population via more updated randomized controlled trials (RCTs). Databases (PubMed, Embase and Cochrane Library) were searched up to 30 March 2022. Evidence certainty was assessed using the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach. Thirty-four RCTs containing 2012 participants were included in this review. Pooled effects of significant increase in total antioxidant capacity (TAC) (standardized mean difference: 1.83, 95%CI: [1.07, 2.59], p < 0.001) and significant reduction in malondialdehyde (MDA) concentrations (−0.77, [−1.06, −0.47], p < 0.001) were shown after CoQ10 supplementation compared to placebo. However, we could not determine that there was a significant increase in circulating superoxide dismutase (SOD) levels yet (0.47, [0.00, 0.94], p = 0.05). Subgroup analyses implied that CoQ10 supplementation was more beneficial to people with coronary artery disease or type 2 diabetes. Additionally, taking 100−150 mg/day CoQ10 supplement had better benefits for the levels of TAC, MDA and SOD (all p < 0.01). These results to a statistically significant extent lent support to the efficacy and optimal dose of CoQ10 supplementation on attenuating oxidative stress status in adults.
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Affiliation(s)
- Suming Dai
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China; (S.D.); (Z.T.); (D.Z.); (Y.L.); (M.L.); (Z.L.); (S.H.)
- Guangdong Provincial Key Laboratory of Food, Nutrition, and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangzhou 510080, China
| | - Zezhong Tian
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China; (S.D.); (Z.T.); (D.Z.); (Y.L.); (M.L.); (Z.L.); (S.H.)
- Guangdong Provincial Key Laboratory of Food, Nutrition, and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangzhou 510080, China
| | - Dan Zhao
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China; (S.D.); (Z.T.); (D.Z.); (Y.L.); (M.L.); (Z.L.); (S.H.)
- Guangdong Provincial Key Laboratory of Food, Nutrition, and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangzhou 510080, China
| | - Ying Liang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China; (S.D.); (Z.T.); (D.Z.); (Y.L.); (M.L.); (Z.L.); (S.H.)
- Guangdong Provincial Key Laboratory of Food, Nutrition, and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangzhou 510080, China
| | - Meitong Liu
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China; (S.D.); (Z.T.); (D.Z.); (Y.L.); (M.L.); (Z.L.); (S.H.)
- Guangdong Provincial Key Laboratory of Food, Nutrition, and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangzhou 510080, China
| | - Zhihao Liu
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China; (S.D.); (Z.T.); (D.Z.); (Y.L.); (M.L.); (Z.L.); (S.H.)
- Guangdong Provincial Key Laboratory of Food, Nutrition, and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangzhou 510080, China
| | - Shanshan Hou
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China; (S.D.); (Z.T.); (D.Z.); (Y.L.); (M.L.); (Z.L.); (S.H.)
- Guangdong Provincial Key Laboratory of Food, Nutrition, and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangzhou 510080, China
| | - Yan Yang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China; (S.D.); (Z.T.); (D.Z.); (Y.L.); (M.L.); (Z.L.); (S.H.)
- Guangdong Provincial Key Laboratory of Food, Nutrition, and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Sun Yat-sen University, Guangzhou 510080, China
- China-DRIs Expert Committee on Other Food Substances, Guangzhou 510080, China
- Correspondence:
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13
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Tian Z, Fan D, Li K, Zhao D, Liang Y, Ji Q, Gao X, Ma X, Zhao Y, Mao Y, Meng H, Yang Y. Four-Week Supplementation of Water-Soluble Tomato Extract Attenuates Platelet Function in Chinese Healthy Middle-Aged and Older Individuals: A Randomized, Double-Blinded, and Crossover Clinical Trial. Front Nutr 2022; 9:891241. [PMID: 35719156 PMCID: PMC9199899 DOI: 10.3389/fnut.2022.891241] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 04/25/2022] [Indexed: 12/19/2022] Open
Abstract
Background and Aims Platelets are linked to atherosclerotic development and pathological thrombosis. Single dose of water-soluble tomato extract (WTE) which is a natural extraction can exert anti-platelet effects after 3 or 7 h in British healthy people. However, the effects of WTE supplementation on platelet function in Chinese healthy middle-aged and older individuals have not been studied, and the effects or safety of 4-week WTE supplementation also remain unclear. The present study aims to determine the effects of WTE on platelet function, and explore the safety of 4-week WTE supplementation in Chinese healthy middle-aged and older individuals. Methods A randomized, double-blinded, and crossover clinical trial was conducted. Firstly, 105 individuals were randomly divided into two groups that received WTE (150 mg/day) or placebo for 4 weeks. Then, after a washout period of 2 weeks, two groups exchanged groups and continued for another 4-week intervention. Platelet aggregation, P-selectin, activated GPIIbIIIa, plasma platelet factor 4 (PF4), β-thromboglobulin (β-TG), and thromboxane B2 (TXB2) were tested at baseline, 4, 6, and 10 weeks. Results Compared with the placebo group, 150 mg/day WTE supplement for 4 weeks significantly reduced ADP-induced or collagen-induced platelet aggregation (−10.8 ± 1.8 or −3.9 ± 1.5%, P < 0.05), ADP-induced or collagen-induced platelet P-selectin expression (−6.9 ± 1.5 or −6.6 ± 1.3%, P < 0.05), ADP-induced or collagen-induced activated GPIIbIIIa (−6.2 ± 2.0 or −3.8 ± 2.0%, P < 0.05). Besides, 4-week intervention of 150 mg WTE per day also resulted in significant reductions in plasma PF4 (−120.6 ± 33.2 ng/mL, P < 0.05) and β-TG (−129.7 ± 27.5 ng/mL, P < 0.05) and TXB2 (−42.0 ± 4.0 ng/mL, P < 0.05), while had no effects on coagulation function and liver or renal function. Interestingly, 2-week washout period is enough to reverse the inhibitory effect of 4-week WTE supplementation on platelet function. Conclusion WTE supplementation for 4 weeks could moderately reduce platelet activation, aggregation, and granule secretion in Chinese healthy middle-aged and older individuals, and these effects are safe. After 2-week washout period, the inhibitory effect of 4-week WTE on platelet function can be eliminated. Clinical Trial Registration [http://www.chictr.org.cn/], identifier [ChiCTR-POR-17012927].
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Affiliation(s)
- Zezhong Tian
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
| | - Die Fan
- Department of Clinical Nutrition, The General Hospital of Western Theater Command, Chengdu, China
| | - Kongyao Li
- Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen, China
| | - Dan Zhao
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
| | - Ying Liang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
| | - Qiuhua Ji
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
| | - Xiaoli Gao
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Xilin Ma
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
| | - Yimin Zhao
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
| | - Yuheng Mao
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
| | - Huicui Meng
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
- *Correspondence: Huicui Meng,
| | - Yan Yang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, China
- Guangdong Engineering Technology Center of Nutrition Transformation, Guangzhou, China
- Yan Yang,
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14
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Gu SX, Dayal S. Redox Mechanisms of Platelet Activation in Aging. Antioxidants (Basel) 2022; 11:995. [PMID: 35624860 PMCID: PMC9137594 DOI: 10.3390/antiox11050995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/14/2022] [Accepted: 05/17/2022] [Indexed: 02/01/2023] Open
Abstract
Aging is intrinsically linked with physiologic decline and is a major risk factor for a broad range of diseases. The deleterious effects of advancing age on the vascular system are evidenced by the high incidence and prevalence of cardiovascular disease in the elderly. Reactive oxygen species are critical mediators of normal vascular physiology and have been shown to gradually increase in the vasculature with age. There is a growing appreciation for the complexity of oxidant and antioxidant systems at the cellular and molecular levels, and accumulating evidence indicates a causal association between oxidative stress and age-related vascular disease. Herein, we review the current understanding of mechanistic links between oxidative stress and thrombotic vascular disease and the changes that occur with aging. While several vascular cells are key contributors, we focus on oxidative changes that occur in platelets and their mediation in disease progression. Additionally, we discuss the impact of comorbid conditions (i.e., diabetes, atherosclerosis, obesity, cancer, etc.) that have been associated with platelet redox dysregulation and vascular disease pathogenesis. As we continue to unravel the fundamental redox mechanisms of the vascular system, we will be able to develop more targeted therapeutic strategies for the prevention and management of age-associated vascular disease.
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Affiliation(s)
- Sean X. Gu
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT 06511, USA;
| | - Sanjana Dayal
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
- Iowa City VA Healthcare System, Iowa City, IA 52246, USA
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15
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Tyagi T, Jain K, Gu SX, Qiu M, Gu VW, Melchinger H, Rinder H, Martin KA, Gardiner EE, Lee AI, Ho Tang W, Hwa J. A guide to molecular and functional investigations of platelets to bridge basic and clinical sciences. NATURE CARDIOVASCULAR RESEARCH 2022; 1:223-237. [PMID: 37502132 PMCID: PMC10373053 DOI: 10.1038/s44161-022-00021-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 01/17/2022] [Indexed: 07/29/2023]
Abstract
Platelets have been shown to be associated with pathophysiological process beyond thrombosis, demonstrating critical additional roles in homeostatic processes, such as immune regulation, and vascular remodeling. Platelets themselves can have multiple functional states and can communicate and regulate other cells including immune cells and vascular smooth muscle cells, to serve such diverse functions. Although traditional platelet functional assays are informative and reliable, they are limited in their ability to unravel platelet phenotypic heterogeneity and interactions. Developments in methods such as electron microscopy, flow cytometry, mass spectrometry, and 'omics' studies, have led to new insights. In this Review, we focus on advances in platelet biology and function, with an emphasis on current and promising methodologies. We also discuss technical and biological challenges in platelet investigations. Using coronavirus disease 2019 (COVID-19) as an example, we further describe the translational relevance of these approaches and the possible 'bench-to-bedside' utility in patient diagnosis and care.
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Affiliation(s)
- Tarun Tyagi
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, CT, USA
| | - Kanika Jain
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, CT, USA
| | - Sean X Gu
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, CT, USA
- Department of Laboratory Medicine, Yale University School of Medicine, Yale New Haven Hospital, New Haven, CT, USA
| | - Miaoyun Qiu
- Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623 Guangdong China
| | - Vivian W Gu
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, CT, USA
| | - Hannah Melchinger
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, CT, USA
| | - Henry Rinder
- Department of Laboratory Medicine, Yale University School of Medicine, Yale New Haven Hospital, New Haven, CT, USA
| | - Kathleen A Martin
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, CT, USA
| | - Elizabeth E Gardiner
- John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Alfred I Lee
- Section of Hematology, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Wai Ho Tang
- Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623 Guangdong China
| | - John Hwa
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale University School of Medicine, New Haven, CT, USA
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16
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Veuthey L, Aliotta A, Bertaggia Calderara D, Pereira Portela C, Alberio L. Mechanisms Underlying Dichotomous Procoagulant COAT Platelet Generation-A Conceptual Review Summarizing Current Knowledge. Int J Mol Sci 2022; 23:ijms23052536. [PMID: 35269679 PMCID: PMC8910683 DOI: 10.3390/ijms23052536] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/19/2022] [Accepted: 02/21/2022] [Indexed: 12/23/2022] Open
Abstract
Procoagulant platelets are a subtype of activated platelets that sustains thrombin generation in order to consolidate the clot and stop bleeding. This aspect of platelet activation is gaining more and more recognition and interest. In fact, next to aggregating platelets, procoagulant platelets are key regulators of thrombus formation. Imbalance of both subpopulations can lead to undesired thrombotic or bleeding events. COAT platelets derive from a common pro-aggregatory phenotype in cells capable of accumulating enough cytosolic calcium to trigger specific pathways that mediate the loss of their aggregating properties and the development of new adhesive and procoagulant characteristics. Complex cascades of signaling events are involved and this may explain why an inter-individual variability exists in procoagulant potential. Nowadays, we know the key agonists and mediators underlying the generation of a procoagulant platelet response. However, we still lack insight into the actual mechanisms controlling this dichotomous pattern (i.e., procoagulant versus aggregating phenotype). In this review, we describe the phenotypic characteristics of procoagulant COAT platelets, we detail the current knowledge on the mechanisms of the procoagulant response, and discuss possible drivers of this dichotomous diversification, in particular addressing the impact of the platelet environment during in vivo thrombus formation.
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17
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Noh JY. Megakaryopoiesis and Platelet Biology: Roles of Transcription Factors and Emerging Clinical Implications. Int J Mol Sci 2021; 22:ijms22179615. [PMID: 34502524 PMCID: PMC8431765 DOI: 10.3390/ijms22179615] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/02/2021] [Accepted: 09/02/2021] [Indexed: 12/13/2022] Open
Abstract
Platelets play a critical role in hemostasis and thrombus formation. Platelets are small, anucleate, and short-lived blood cells that are produced by the large, polyploid, and hematopoietic stem cell (HSC)-derived megakaryocytes in bone marrow. Approximately 3000 platelets are released from one megakaryocyte, and thus, it is important to understand the physiologically relevant mechanism of development of mature megakaryocytes. Many genes, including several key transcription factors, have been shown to be crucial for platelet biogenesis. Mutations in these genes can perturb megakaryopoiesis or thrombopoiesis, resulting in thrombocytopenia. Metabolic changes owing to inflammation, ageing, or diseases such as cancer, in which platelets play crucial roles in disease development, can also affect platelet biogenesis. In this review, I describe the characteristics of platelets and megakaryocytes in terms of their differentiation processes. The role of several critical transcription factors have been discussed to better understand the changes in platelet biogenesis that occur during disease or ageing.
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Affiliation(s)
- Ji-Yoon Noh
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea
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18
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Kang L, Marlene R. WITHDRAWN: Health risk appraisal of rural population in poverty. Work 2021:WOR205370. [PMID: 34308885 DOI: 10.3233/wor-205370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Ahead of Print article withdrawn by publisher.
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Affiliation(s)
- Le Kang
- School of Business Administration, Hubei University of Economics, Wuhan, China
| | - Rodrigues Marlene
- College of Fine, Performing & Communication Arts, Wayne State University, Detroit, MI, USA
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19
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Baysal M, Atlı-Eklioğlu Ö. Comparison of the toxicity of pure compounds and commercial formulations of imidacloprid and acetamiprid on HT-29 cells: Single and mixture exposure. Food Chem Toxicol 2021; 155:112430. [PMID: 34289392 DOI: 10.1016/j.fct.2021.112430] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/28/2021] [Accepted: 07/17/2021] [Indexed: 01/06/2023]
Abstract
Neonicotinoids, which are widely used worldwide, including in Turkey, are an insecticide group that are synthetic derivatives of nicotine. Recently, they have attracted attention due to their toxic effects on non-target organisms, especially bees. Numerous studies have shown that neonicotinoids have been found in detectable levels in the environment and cause various undesirable effects on living organisms, including humans and other mammals. In this study, the possible toxic effects of imidacloprid and acetamiprid, commonly used neonicotinoids, are investigated by their pure forms and commercial formulations on HT-29 cells with individual and combined exposures. According to our results, imidacloprid and acetamiprid induced cytotoxicity by caspase-mediated apoptosis, mitochondrial membrane depolarization, DNA damage, and oxidative stress under these experimental conditions. It is worth mentioning low doses of DNA damage, mixture exposure causes toxic effects at lower concentrations than individual exposure, and formulation groups are at the forefront of toxicity formation, though this varies depending on the parameters.
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Affiliation(s)
- Merve Baysal
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, 26470, Eskisehir, Turkey
| | - Özlem Atlı-Eklioğlu
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, 26470, Eskisehir, Turkey.
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20
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Age-Dependent Control of Collagen-Dependent Platelet Responses by Thrombospondin-1-Comparative Analysis of Platelets from Neonates, Children, Adolescents, and Adults. Int J Mol Sci 2021; 22:ijms22094883. [PMID: 34063076 PMCID: PMC8124951 DOI: 10.3390/ijms22094883] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 04/30/2021] [Accepted: 04/30/2021] [Indexed: 02/06/2023] Open
Abstract
Platelet function is developmentally regulated. Healthy neonates do not spontaneously bleed, but their platelets are hypo-reactive to several agonists. The mechanisms underlying immature platelet function in neonates are incompletely understood. This critical issue remains challenging for the establishment of age-specific reference ranges. In this study, we evaluated platelet reactivity of five pediatric age categories, ranging from healthy full-term neonates up to adolescents (11–18 years) in comparison to healthy adults (>18 years) by flow cytometry. We confirmed that platelet hypo-reactivity detected by fibrinogen binding, P-selectin, and CD63 surface expression was most pronounced in neonates compared to other pediatric age groups. However, maturation of platelet responsiveness varied with age, agonist, and activation marker. In contrast to TRAP and ADP, collagen-induced platelet activation was nearly absent in neonates. Granule secretion markedly remained impaired at least up to 10 years of age compared to adults. We show for the first time that neonatal platelets are deficient in thrombospondin-1, and exogenous platelet-derived thrombospondin-1 allows platelet responsiveness to collagen. Platelets from all pediatric age groups normally responded to the C-terminal thrombospondin-1 peptide RFYVVMWK. Thus, thrombospondin-1 deficiency of neonatal platelets might contribute to the relatively impaired response to collagen, and platelet-derived thrombospondin-1 may control distinct collagen-induced platelet responses.
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21
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The Controversial Role of Glucose-6-Phosphate Dehydrogenase Deficiency on Cardiovascular Disease: A Narrative Review. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5529256. [PMID: 34007401 PMCID: PMC8110402 DOI: 10.1155/2021/5529256] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/27/2021] [Accepted: 04/21/2021] [Indexed: 12/12/2022]
Abstract
Cardiovascular disorders (CVD) are highly prevalent and the leading cause of death worldwide. Atherosclerosis is responsible for most cases of CVD. The plaque formation and subsequent thrombosis in atherosclerosis constitute an ongoing process that is influenced by numerous risk factors such as hypertension, diabetes, dyslipidemia, obesity, smoking, inflammation, and sedentary lifestyle. Among the various risk and protective factors, the role of glucose-6-phosphate dehydrogenase (G6PD) deficiency, the most common inborn enzyme disorder across populations, is still debated. For decades, it has been considered a protective factor against the development of CVD. However, in the recent years, growing scientific evidence has suggested that this inherited condition may act as a CVD risk factor. The role of G6PD deficiency in the atherogenic process has been investigated using in vitro or ex vivo cellular models, animal models, and epidemiological studies in human cohorts of variable size and across different ethnic groups, with conflicting results. In this review, the impact of G6PD deficiency on CVD was critically reconsidered, taking into account the most recent acquisitions on molecular and biochemical mechanisms, namely, antioxidative mechanisms, glutathione recycling, and nitric oxide production, as well as their mutual interactions, which may be impaired by the enzyme defect in the context of the pentose phosphate pathway. Overall, current evidence supports the notion that G6PD downregulation may favor the onset and evolution of atheroma in subjects at risk of CVD. Given the relatively high frequency of this enzyme deficiency in several regions of the world, this finding might be of practical importance to tailor surveillance guidelines and facilitate risk stratification.
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Abstract
PURPOSE OF REVIEW Advances in medical care and preventive measures have contributed to increasing life expectancy. Therefore, it is critical to expand our understanding of the physiological and pathophysiological adaptations of the hematological system in aging. We highlight and review the findings from recent investigations aimed at understanding the effects of aging on megakaryocytes and platelets. RECENT FINDINGS Biochemical and transcriptomic studies of megakaryocytes and platelets from older humans and mice have advanced our understanding of the molecular and functional characteristics of megakaryocytes and platelets during aging. These studies have led to the identification of metabolic and inflammatory pathways associated with the generation of hyperreactive platelets that may significantly contribute to the high incidence of thrombosis in aging. SUMMARY By increasing our research efforts to understand and identify the characteristics of megakaryocytes and platelets in aging, we will increase our potential to develop novel therapies aimed at decreasing the incidence of aging-associated thrombosis. These efforts will also serve as a foundation to better understand the role of megakaryocytes and platelets in other age-related hematological conditions with high thrombotic risk such as clonal hematopoiesis of indeterminate potential and myeloproliferative neoplasms.
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23
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Gu SX, Tyagi T, Jain K, Gu VW, Lee SH, Hwa JM, Kwan JM, Krause DS, Lee AI, Halene S, Martin KA, Chun HJ, Hwa J. Thrombocytopathy and endotheliopathy: crucial contributors to COVID-19 thromboinflammation. Nat Rev Cardiol 2021; 18:194-209. [PMID: 33214651 PMCID: PMC7675396 DOI: 10.1038/s41569-020-00469-1] [Citation(s) in RCA: 255] [Impact Index Per Article: 85.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/19/2020] [Indexed: 02/06/2023]
Abstract
The core pathology of coronavirus disease 2019 (COVID-19) is infection of airway cells by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that results in excessive inflammation and respiratory disease, with cytokine storm and acute respiratory distress syndrome implicated in the most severe cases. Thrombotic complications are a major cause of morbidity and mortality in patients with COVID-19. Patients with pre-existing cardiovascular disease and/or traditional cardiovascular risk factors, including obesity, diabetes mellitus, hypertension and advanced age, are at the highest risk of death from COVID-19. In this Review, we summarize new lines of evidence that point to both platelet and endothelial dysfunction as essential components of COVID-19 pathology and describe the mechanisms that might account for the contribution of cardiovascular risk factors to the most severe outcomes in COVID-19. We highlight the distinct contributions of coagulopathy, thrombocytopathy and endotheliopathy to the pathogenesis of COVID-19 and discuss potential therapeutic strategies in the management of patients with COVD-19. Harnessing the expertise of the biomedical and clinical communities is imperative to expand the available therapeutics beyond anticoagulants and to target both thrombocytopathy and endotheliopathy. Only with such collaborative efforts can we better prepare for further waves and for future coronavirus-related pandemics.
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Affiliation(s)
- Sean X Gu
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Tarun Tyagi
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Kanika Jain
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Vivian W Gu
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Seung Hee Lee
- Division of Cardiovascular Diseases, Center for Biomedical Sciences, National Institute of Health, Cheongju, Chungbuk, Korea
| | - Jonathan M Hwa
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Jennifer M Kwan
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Diane S Krause
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Alfred I Lee
- Section of Hematology, Department of Internal Medicine and Yale Comprehensive Cancer Center, Yale University School of Medicine, New Haven, CT, USA
| | - Stephanie Halene
- Section of Hematology, Department of Internal Medicine and Yale Comprehensive Cancer Center, Yale University School of Medicine, New Haven, CT, USA
| | - Kathleen A Martin
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Hyung J Chun
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - John Hwa
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA.
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24
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McQuail JA, Dunn AR, Stern Y, Barnes CA, Kempermann G, Rapp PR, Kaczorowski CC, Foster TC. Cognitive Reserve in Model Systems for Mechanistic Discovery: The Importance of Longitudinal Studies. Front Aging Neurosci 2021; 12:607685. [PMID: 33551788 PMCID: PMC7859530 DOI: 10.3389/fnagi.2020.607685] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 12/30/2020] [Indexed: 12/14/2022] Open
Abstract
The goal of this review article is to provide a resource for longitudinal studies, using animal models, directed at understanding and modifying the relationship between cognition and brain structure and function throughout life. We propose that forthcoming longitudinal studies will build upon a wealth of knowledge gleaned from prior cross-sectional designs to identify early predictors of variability in cognitive function during aging, and characterize fundamental neurobiological mechanisms that underlie the vulnerability to, and the trajectory of, cognitive decline. Finally, we present examples of biological measures that may differentiate mechanisms of the cognitive reserve at the molecular, cellular, and network level.
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Affiliation(s)
- Joseph A. McQuail
- Department of Pharmacology, Physiology and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, United States
| | - Amy R. Dunn
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Yaakov Stern
- Cognitive Neuroscience Division, Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States
| | - Carol A. Barnes
- Departments of Psychology and Neuroscience, University of Arizona, Tucson, AZ, United States
- Evelyn F. McKnight Brain Institute, University of Arizona, Tucson, AZ, United States
| | - Gerd Kempermann
- CRTD—Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany
- German Center for Neurodegenerative Diseases (DZNE), Helmholtz Association of German Research Centers (HZ), Dresden, Germany
| | - Peter R. Rapp
- Laboratory of Behavioral Neuroscience, Neurocognitive Aging Section, National Institute on Aging, Baltimore, MD, United States
| | | | - Thomas C. Foster
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, United States
- Genetics and Genomics Program, University of Florida, Gainesville, FL, United States
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25
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Ma Y, Feng Y, Song L, Li M, Dai H, Bao H, Zhang G, Zhao L, Zhang C, Yi J, Liang Y. Green tea polyphenols supplementation alters immunometabolism and oxidative stress in dairy cows with hyperketonemia. ACTA ACUST UNITED AC 2020; 7:206-215. [PMID: 33997349 PMCID: PMC8110852 DOI: 10.1016/j.aninu.2020.06.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 04/27/2020] [Accepted: 06/05/2020] [Indexed: 12/04/2022]
Abstract
Peripartal cows often experience negative energy balance, and are therefore prone to suffering from metabolic diseases such as hyperketonemia, which causes financial losses in dairy farms. This study aimed to investigate the effect of green tea polyphenol (GTP) supplementation during the periparturient period on production performance, oxidative stress and immunometabolism in dairy cows with hyperketonemia. One hundred Holstein cows were assigned to GTP (0.2 g/kg DM; n = 50) or control (without GTP; n = 50) group based on body weight, previous milk yield, and parity on d 15 before expected parturition. Subsequently, 10 cows with hyperketonemia were selected from each group, according to blood β-hydroxybutyric acid (BHBA) concentration between 1.2 and 2.9 mmol/L from 2 to 3 d postpartum. All cows were fed a close-up diet and a lactation diet with or without GTP supply from 15 d prepartum until 30 d postpartum. Milk and blood samples were obtained from 20 cows selected with hyperketonemia on 10, 20, and 30 d postpartum. Compared with control cows, greater milk yield and lower somatic cell count were observed in GTP cows. The GTP group had lower concentrations of BHBA, free fatty acids, cholesterol, triglyceride, reactive oxygen species, malondialdehyde, and hydrogen peroxide, greater concentrations of glucose, lower activities of aspartate aminotransferase, alanine aminotransferase, and glutamyl transpeptidase, alongside greater activities of superoxide dismutase, glutathione peroxidase, and total antioxidant capacity. Additionally, GTP supplementation up-regulated concentrations of interleukin-6 and interleukin-10, but down-regulated concentrations of tumor necrosis factor-α, interleukin-1β, interleukin-2, interleukin-8, and interferon-γ in plasma. Greater concentrations of plasma immunoglobulin G were also detected in the GTP group. Overall, the data suggested that GTP supplementation from 15 d prepartum to 30 d postpartum improved the milk yield and health status in cows with hyperketonemia during early lactation.
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Affiliation(s)
- Yanfen Ma
- School of Agriculture, Ningxia University, Yinchuan 750021, China
- Institute of Animal Nutrition and Feed, Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot 010031, China
| | - Ying Feng
- Institute of Animal Nutrition and Feed, Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot 010031, China
- College of Food Engineering & Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Liwen Song
- Institute of Animal Nutrition and Feed, Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot 010031, China
| | - Muyang Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163316, China
| | - Hongyu Dai
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Hua Bao
- Institute of Animal Nutrition and Feed, Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot 010031, China
| | - Guijie Zhang
- School of Agriculture, Ningxia University, Yinchuan 750021, China
| | - Lei Zhao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163316, China
| | - Chunhua Zhang
- Institute of Animal Nutrition and Feed, Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot 010031, China
| | - Jing Yi
- Institute of Animal Nutrition and Feed, Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot 010031, China
| | - Yusheng Liang
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801, USA
- Corresponding author.
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26
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Faria AVS, Andrade SS, Peppelenbosch MP, Ferreira-Halder CV, Fuhler GM. Platelets in aging and cancer-"double-edged sword". Cancer Metastasis Rev 2020; 39:1205-1221. [PMID: 32869161 PMCID: PMC7458881 DOI: 10.1007/s10555-020-09926-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/12/2020] [Indexed: 02/06/2023]
Abstract
Platelets control hemostasis and play a key role in inflammation and immunity. However, platelet function may change during aging, and a role for these versatile cells in many age-related pathological processes is emerging. In addition to a well-known role in cardiovascular disease, platelet activity is now thought to contribute to cancer cell metastasis and tumor-associated venous thromboembolism (VTE) development. Worldwide, the great majority of all patients with cardiovascular disease and some with cancer receive anti-platelet therapy to reduce the risk of thrombosis. However, not only do thrombotic diseases remain a leading cause of morbidity and mortality, cancer, especially metastasis, is still the second cause of death worldwide. Understanding how platelets change during aging and how they may contribute to aging-related diseases such as cancer may contribute to steps taken along the road towards a "healthy aging" strategy. Here, we review the changes that occur in platelets during aging, and investigate how these versatile blood components contribute to cancer progression.
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Affiliation(s)
- Alessandra V S Faria
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center Rotterdam, NL-3000 CA, Rotterdam, The Netherlands
- Department of Biochemistry and Tissue Biology, University of Campinas, UNICAMP, Campinas, SP, 13083-862, Brazil
| | | | - Maikel P Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center Rotterdam, NL-3000 CA, Rotterdam, The Netherlands
| | - Carmen V Ferreira-Halder
- Department of Biochemistry and Tissue Biology, University of Campinas, UNICAMP, Campinas, SP, 13083-862, Brazil
| | - Gwenny M Fuhler
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center Rotterdam, NL-3000 CA, Rotterdam, The Netherlands.
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27
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Nodeh FK, Hosseini E, Ghasemzadeh M. The effect of gamma irradiation on platelet redox state during storage. Transfusion 2020; 61:579-593. [PMID: 33231307 DOI: 10.1111/trf.16207] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 09/16/2020] [Accepted: 10/28/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND As a method with insignificant adverse effects on in vitro quality of platelet concentrates (PCs), gamma irradiation is applied to abrogate the risk of transfusion-associated graft-vs-host disease in vulnerable recipients. However, there is some evidence of lower posttransfusion responses and proteomic alterations in gamma-irradiated platelets (PLTs), which raises some questions about their quality, safety, and efficacy. Since reactive oxygen species (ROS) are considered as markers of PLT storage lesion (PSL), the study presented here investigated oxidant state in gamma-irradiated PCs. STUDY DESIGN AND METHODS PLT-rich plasma PC was split into two bags, one kept as control while other was subjected to gamma irradiation. Within 7 days of storage, the levels of intra-PLT superoxide, H2 O2 , mitochondrial ROS, P-selectin expression, and phosphatidylserine (PS) exposure were detected by flow cytometry while intracellular reduced glutathione (GSH), glucose concentration, and lactate dehydrogenase (LDH) activity were measured by enzymocolorimetric method. RESULTS GSH decreased, while ROS generation and LDH activity increased, during storage. Gamma irradiation significantly attenuated GSH whereas increased ROS generation in earlier and later stages of storage associated with either P-selectin or PS exposure increments. CONCLUSION Gamma irradiation can significantly increase cytosolic ROS generation in two distinct phases, one upon irradiation and another later in longer-stored PCs. While earlier ROS influx seems to be governed by direct effect of irradiation, the second phase of oxidant stress is presumably due to the storage-dependent PLT activation. Intriguingly, these observations were also in line with early P-selectin increments and increased PS exposure in longer-stored PLTs. Given the mutual link between ROS generation and PLT activation, further investigation is required to explore the effect of gamma irradiation on the induction of PSL.
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Affiliation(s)
- Fatemeh Kiani Nodeh
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Ehteramolsadat Hosseini
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Mehran Ghasemzadeh
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
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28
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Affiliation(s)
- Kanika Jain
- Yale Cardiovascular Research Center, Section of
Cardiovascular Medicine, Department of Internal Medicine, Yale School of
Medicine. 300 George St New Haven CT 06511
| | - Tarun Tyagi
- Yale Cardiovascular Research Center, Section of
Cardiovascular Medicine, Department of Internal Medicine, Yale School of
Medicine. 300 George St New Haven CT 06511
| | - John Hwa
- Yale Cardiovascular Research Center, Section of
Cardiovascular Medicine, Department of Internal Medicine, Yale School of
Medicine. 300 George St New Haven CT 06511
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29
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Models of poststroke depression and assessments of core depressive symptoms in rodents: How to choose? Exp Neurol 2019; 322:113060. [DOI: 10.1016/j.expneurol.2019.113060] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 08/09/2019] [Accepted: 09/05/2019] [Indexed: 01/22/2023]
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30
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Melchinger H, Jain K, Tyagi T, Hwa J. Role of Platelet Mitochondria: Life in a Nucleus-Free Zone. Front Cardiovasc Med 2019; 6:153. [PMID: 31737646 PMCID: PMC6828734 DOI: 10.3389/fcvm.2019.00153] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 10/08/2019] [Indexed: 12/19/2022] Open
Abstract
Platelets are abundant, small, anucleate circulating cells, serving many emerging pathophysiological roles beyond hemostasis; including active critical roles in thrombosis, injury response, and immunoregulation. In the absence of genomic DNA transcriptional regulation (no nucleus), platelets require strategic prepackaging of all the needed RNA and organelles from megakaryocytes, to sense stress (e.g., hyperglycemia), to protect themselves from stress (e.g., mitophagy), and to communicate a stress response to other cells (e.g., granule and microparticle release). Distinct from avian thrombocytes that have a nucleus, the absence of a nucleus allows the mammalian platelet to maintain its small size, permits morphological flexibility, and may improve speed and efficiency of protein expression in response to stress. In the absence of a nucleus, platelet lifespan of 7–10 days, is largely determined by the mitochondria. The packaging of 5–8 mitochondria is critical in aerobic respiration and yielding metabolic substrates needed for function and survival. Mitochondria damage or dysfunction, as observed with several disease processes, results in greatly attenuated platelet survival and increased risk for thrombovascular events. Here we provide insights into the emerging roles of platelets despite the lack of a nucleus, and the key role played by mitochondria in platelet function and survival both in health and disease.
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Affiliation(s)
- Hannah Melchinger
- Department of Internal Medicine, Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, CT, United States
| | - Kanika Jain
- Department of Internal Medicine, Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, CT, United States
| | - Tarun Tyagi
- Department of Internal Medicine, Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, CT, United States
| | - John Hwa
- Department of Internal Medicine, Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, CT, United States
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Abstract
Platelets are small, anucleated effector cells that play an important role in linking the hemostatic and inflammatory processes in the body. Platelet function is known to be altered under various inflammatory conditions including aging. A gain in platelet function during aging can increase the risk of thrombotic events, such as stroke and acute myocardial infarction. Anti-platelet therapy is designed to reduce risk of serious cerebrovascular and cardiovascular events, but the adverse consequences of therapy, such as risk for bleeding increases with aging as well. Age-associated comorbidities such as obesity, diabetes, and hyperlipidemia also contribute to increased platelet activity and thus can enhance the risk of thrombosis. Therefore, identification of unique mechanisms of platelet dysfunction in aging and in age-associated comorbidities is warranted to design novel antiplatelet drugs. This review outlines some of the current areas of research on aging-related mechanisms of platelet hyperactivity and addresses the clinical urgency for designing anti-platelet therapies toward novel molecular targets in the aging population.
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Affiliation(s)
- Krishna S Iyer
- Department of Internal Medicine, University of Iowa , Iowa city, USA
| | - Sanjana Dayal
- Department of Internal Medicine, University of Iowa , Iowa city, USA
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32
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Iyer KS, Dayal S. Platelet antioxidants: A conundrum in aging. EBioMedicine 2019; 47:29-30. [PMID: 31471268 PMCID: PMC6796566 DOI: 10.1016/j.ebiom.2019.08.046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 08/21/2019] [Indexed: 11/17/2022] Open
Affiliation(s)
- Krishna S Iyer
- Departments of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
| | - Sanjana Dayal
- Departments of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA.
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33
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Jain K, Tyagi T, Ionescu CN, Hwa J. Author's response to "platelet antioxidants: A conundrum in aging". EBioMedicine 2019; 47:31-32. [PMID: 31471267 PMCID: PMC6796587 DOI: 10.1016/j.ebiom.2019.08.047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 08/21/2019] [Indexed: 11/23/2022] Open
Affiliation(s)
- Kanika Jain
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George St Level 7, New Haven, CT 06511, United States
| | - Tarun Tyagi
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George St Level 7, New Haven, CT 06511, United States
| | - Costin N Ionescu
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George St Level 7, New Haven, CT 06511, United States
| | - John Hwa
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George St Level 7, New Haven, CT 06511, United States.
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34
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Le Blanc J, Lordkipanidzé M. Platelet Function in Aging. Front Cardiovasc Med 2019; 6:109. [PMID: 31448291 PMCID: PMC6692461 DOI: 10.3389/fcvm.2019.00109] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 07/22/2019] [Indexed: 12/20/2022] Open
Abstract
Aging is associated with an increased incidence of cardiovascular disease and thrombosis. Platelets play a major role in maintaining hemostasis and in thrombus formation, making them a key player in thrombotic disorders. Whereas it is well-known that platelet aggregability is increased in vascular diseases, the contribution of age-related changes in platelet biology to cardiovascular risk is not well-understood. Several lines of evidence support that platelets from older subjects differ in their function and structure, making platelets more prone to activation and less sensitive to inhibition. These age-related changes could lead to platelet hyperactivity and to the development of a prothrombotic state in advanced age. This review will focus on platelet biochemical modifications during aging and on the mechanisms by which these alterations could lead to thrombotic disease.
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Affiliation(s)
- Jessica Le Blanc
- Research Center, Montreal Heart Institute, Montreal, QC, Canada.,Faculty of Pharmacy, Université de Montréal, Montreal, QC, Canada
| | - Marie Lordkipanidzé
- Research Center, Montreal Heart Institute, Montreal, QC, Canada.,Faculty of Pharmacy, Université de Montréal, Montreal, QC, Canada
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