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Ruswandi YAR, Lesmana R, Rosdianto AM, Gunadi JW, Goenawan H, Zulhendri F. Understanding the Roles of Selenium on Thyroid Hormone-Induced Thermogenesis in Adipose Tissue. Biol Trace Elem Res 2024; 202:2419-2441. [PMID: 37758980 DOI: 10.1007/s12011-023-03854-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023]
Abstract
Brown adipose tissue (BAT) and white adipose tissue (WAT) are known to regulate lipid metabolism. A lower amount of BAT compared to WAT, along with adipose tissue dysfunction, can result in obesity. Studies have shown that selenium supplementation protects against adipocyte dysfunction, decreases WAT triglycerides, and increases BAT triiodothyronine (T3). In this review, we discuss the relationship between selenium and lipid metabolism regulation through selenoprotein deiodinases and the role of deiodinases and thyroid hormones in the induction of adipose tissue thermogenesis. Upon 22 studies included in our review, we found that studies investigating the relationship between selenium and deiodinases demonstrated that selenium supplementation affects the iodothyronine deiodinase 2 (DIO2) protein and the expression of its associated gene, DIO2, proportionally. However, its effect on DIO1 is inconsistent while its effect on DIO3 activity is not detected. Studies have shown that the activity of deiodinases especially DIO2 protein and DIO2 gene expression is increased along with other browning markers upon white adipose tissue browning induction. Studies showed that thermogenesis is stimulated by the thyroid hormone T3 as its activity is correlated to the expression of other thermogenesis markers. A proposed mechanism of thermogenesis induction in selenium supplementation is by autophagy control. However, more studies are needed to establish the role of T3 and autophagy in adipose tissue thermogenesis, especially, since some studies have shown that thermogenesis can function even when T3 activity is lacking and studies related to autophagy in adipose tissue thermogenesis have contradictory results.
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Affiliation(s)
- Yasmin Anissa R Ruswandi
- Graduate School of Master Program in Anti-Aging and Aesthetic Medicine, Faculty of Medicine, Universitas Padjadjaran, Kabupaten Sumedang, West Java, Indonesia
| | - Ronny Lesmana
- Physiology Division, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Jl. Raya Bandung-Sumedang, KM.21, Hegarmanah, Kec. Jatinangor, Kabupaten Sumedang, West Java, 45363, Indonesia.
| | - Aziiz Mardanarian Rosdianto
- Physiology Division, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Jl. Raya Bandung-Sumedang, KM.21, Hegarmanah, Kec. Jatinangor, Kabupaten Sumedang, West Java, 45363, Indonesia
- Veterinary Medicine Study Program, Faculty of Medicine, Universitas Padjadjaran, Kabupaten Sumedang, West Java, Indonesia
| | - Julia Windi Gunadi
- Department of Physiology, Faculty of Medicine, Maranatha Christian University, Bandung, West Java, Indonesia
| | - Hanna Goenawan
- Physiology Division, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Jl. Raya Bandung-Sumedang, KM.21, Hegarmanah, Kec. Jatinangor, Kabupaten Sumedang, West Java, 45363, Indonesia
| | - Felix Zulhendri
- Center of Excellence in Higher Education for Pharmaceutical Care Innovation, Universitas Padjadjaran, Kabupaten Sumedang, West Java, Indonesia
- Kebun Efi, Kabanjahe, 22171, North Sumatra, Indonesia
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Chen J, Jin J, Jiang J, Wang Y. Adenosine deaminase acting on RNA 1 (ADAR1) as crucial regulators in cardiovascular diseases: structures, pathogenesis, and potential therapeutic approach. Front Pharmacol 2023; 14:1194884. [PMID: 37663249 PMCID: PMC10469703 DOI: 10.3389/fphar.2023.1194884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/11/2023] [Indexed: 09/05/2023] Open
Abstract
Cardiovascular diseases (CVDs) are a group of diseases that have a major impact on global health and are the leading cause of death. A large number of chemical base modifications in ribonucleic acid (RNA) are associated with cardiovascular diseases. A variety of ribonucleic acid modifications exist in cells, among which adenosine deaminase-dependent modification is one of the most common ribonucleic acid modifications. Adenosine deaminase acting on ribonucleic acid 1 (Adenosine deaminase acting on RNA 1) is a widely expressed double-stranded ribonucleic acid adenosine deaminase that forms inosine (A-to-I) by catalyzing the deamination of adenosine at specific sites of the target ribonucleic acid. In this review, we provide a comprehensive overview of the structure of Adenosine deaminase acting on RNA 1 and summarize the regulatory mechanisms of ADAR1-mediated ribonucleic acid editing in cardiovascular diseases, indicating Adenosine deaminase acting on RNA 1 as a promising therapeutic target in cardiovascular diseases.
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Affiliation(s)
- Jieying Chen
- Department of Cardiology ofThe Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China
| | - Junyan Jin
- Department of Cardiology ofThe Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China
| | - Jun Jiang
- Department of Cardiology ofThe Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China
| | - Yaping Wang
- Department of Cardiology ofThe Second Affiliated Hospital, School of Medicine Zhejiang University, Hangzhou, China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China
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Kolli AR. Plasma Protein Binding and Tissue Retention Kinetics Influence the Rate and Extent of Nicotine Delivery to the Brain. Toxicol Lett 2023; 380:69-74. [PMID: 37068696 DOI: 10.1016/j.toxlet.2023.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 03/24/2023] [Accepted: 04/14/2023] [Indexed: 04/19/2023]
Abstract
Nicotine from inhaled combustible cigarette smoke is delivered rapidly to the brain, and sufficient unbound nicotine concentrations exert pharmacological effects. In addition to nicotine, combustible cigarette smoke also contains a significant number of toxicants that trigger perturbations, leading to an altered steady state due to differential expression of proteins. In this study, a physiologically based pharmacokinetic (PBPK) model for inhaled nicotine was used to simulate the influence of lysosomal change-driven tissue retention and plasma protein binding levels on nicotine pharmacokinetics (PK). A 3× increase in tissue lysosomal volumes lowered the nicotine brain maximum concentration (Cmax) by 20.8%. Similarly, a 50% increase in plasma protein binding also lowered the unbound plasma arterial nicotine Cmax by 39.4%. Such fundamental changes in nicotine disposition due to physiological changes in combustible cigarette smokers will lead to altered nicotine consumption and exposure-responses of other weakly basic drugs. Literature reports indicate that nicotine consumed from non-combustible products do not alter drug exposures, indicating fewer or less severe toxicant-driven perturbations with the use of these products. Although several other parameters influence nicotine PK, this PBPK modeling study shows that increased tissue retention and plasma protein binding reduce nicotine delivery to the brain and could lead to differential consumption of combustible cigarettes. These differences in physiological states among combustible cigarette smokers need to be evaluated and should be considered during therapeutic interventions. DATA AVAILABILITY: The model code is provided in supplementary information.
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Affiliation(s)
- Aditya R Kolli
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000 Neuchâtel, Switzerland.
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Bigot P, Chesseron S, Saidi A, Sizaret D, Parent C, Petit-Courty A, Courty Y, Lecaille F, Lalmanach G. Cleavage of Occludin by Cigarette Smoke-Elicited Cathepsin S Increases Permeability of Lung Epithelial Cells. Antioxidants (Basel) 2022; 12:antiox12010005. [PMID: 36670867 PMCID: PMC9854811 DOI: 10.3390/antiox12010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/05/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is an irreversible disease mainly caused by smoking. COPD is characterized by emphysema and chronic bronchitis associated with enhanced epithelial permeability. HYPOTHESIS Lung biopsies from smokers revealed a decreased expression level of occludin, which is a protein involved in the cohesion of epithelial tight junctions. Moreover, the occludin level correlated negatively with smoking history (pack-years), COPD grades, and cathepsin S (CatS) activity. Thus, we examined whether CatS could participate in the modulation of the integrity of human lung epithelial barriers. METHODS AND RESULTS Cigarette smoke extract (CSE) triggered the upregulation of CatS by THP-1 macrophages through the mTOR/TFEB signaling pathway. In a co-culture model, following the exposure of macrophages to CSE, an enhanced level of permeability of lung epithelial (16HBE and NHBE) cells towards FITC-Dextran was observed, which was associated with a decrease in occludin level. Similar results were obtained using 16HBE and NHBE cells cultured at the air-liquid interface. The treatment of THP-1 macrophages by CatS siRNAs or by a pharmacological inhibitor restored the barrier function of epithelial cells, suggesting that cigarette smoke-elicited CatS induced an alteration of epithelial integrity via the proteolytic injury of occludin. CONCLUSIONS Alongside its noteworthy resistance to oxidative stress induced by cigarette smoke oxidants and its deleterious elastin-degrading potency, CatS may also have a detrimental effect on the barrier function of epithelial cells through the cleavage of occludin. The obtained data emphasize the emerging role of CatS in smoking-related lung diseases and strengthen the relevance of targeting CatS in the treatment of emphysema and COPD.
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Affiliation(s)
- Paul Bigot
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Team “Proteolytic Mechanisms in Inflammation”, INSERM, UMR1100, Research Center for Respiratory Diseases (CEPR), 37000 Tours, France
| | - Simon Chesseron
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Team “Proteolytic Mechanisms in Inflammation”, INSERM, UMR1100, Research Center for Respiratory Diseases (CEPR), 37000 Tours, France
| | - Ahlame Saidi
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Team “Proteolytic Mechanisms in Inflammation”, INSERM, UMR1100, Research Center for Respiratory Diseases (CEPR), 37000 Tours, France
| | - Damien Sizaret
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Pathological Anatomy and Cytology, The University Hospital Center of Tours, 37000 Tours, France
| | - Christelle Parent
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Team “Aerosol therapy and Biotherapeutics for Respiratory Diseases”, INSERM, UMR1100, Research Center for Respiratory Diseases (CEPR), 37000 Tours, France
| | - Agnès Petit-Courty
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Team “Proteolytic Mechanisms in Inflammation”, INSERM, UMR1100, Research Center for Respiratory Diseases (CEPR), 37000 Tours, France
| | - Yves Courty
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Team “Proteolytic Mechanisms in Inflammation”, INSERM, UMR1100, Research Center for Respiratory Diseases (CEPR), 37000 Tours, France
| | - Fabien Lecaille
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Team “Proteolytic Mechanisms in Inflammation”, INSERM, UMR1100, Research Center for Respiratory Diseases (CEPR), 37000 Tours, France
| | - Gilles Lalmanach
- Faculty of Medicine, University of Tours, 37000 Tours, France
- Team “Proteolytic Mechanisms in Inflammation”, INSERM, UMR1100, Research Center for Respiratory Diseases (CEPR), 37000 Tours, France
- Correspondence: ; Tel.: +33-2-47-36-61-51
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Smyth P, Sasiwachirangkul J, Williams R, Scott CJ. Cathepsin S (CTSS) activity in health and disease - A treasure trove of untapped clinical potential. Mol Aspects Med 2022; 88:101106. [PMID: 35868042 DOI: 10.1016/j.mam.2022.101106] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/24/2022] [Accepted: 07/11/2022] [Indexed: 12/14/2022]
Abstract
Amongst the lysosomal cysteine cathepsin family of proteases, cathepsin S (CTSS) holds particular interest due to distinctive properties including a normal restricted expression profile, inducible upregulation and activity at a broad pH range. Consequently, while CTSS is well-established as a member of the proteolytic cocktail within the lysosome, degrading unwanted and damaged proteins, it has increasingly been shown to mediate a number of distinct, more selective roles including antigen processing and antigen presentation, and cleavage of substrates both intra and extracellularly. Increasingly, aberrant CTSS expression has been demonstrated in a variety of conditions and disease states, marking it out as both a biomarker and potential therapeutic target. This review seeks to contextualise CTSS within the cysteine cathepsin family before providing an overview of the broad range of pathologies in which roles for CTSS have been identified. Additionally, current clinical progress towards specific inhibitors is detailed, updating the position of the field in exploiting this most unique of proteases.
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Affiliation(s)
- Peter Smyth
- The Patrick G Johnston Centre for Cancer Research, Queen's University, 97 Lisburn Road, Belfast, BT9 7AE, UK
| | - Jutharat Sasiwachirangkul
- The Patrick G Johnston Centre for Cancer Research, Queen's University, 97 Lisburn Road, Belfast, BT9 7AE, UK
| | - Rich Williams
- The Patrick G Johnston Centre for Cancer Research, Queen's University, 97 Lisburn Road, Belfast, BT9 7AE, UK
| | - Christopher J Scott
- The Patrick G Johnston Centre for Cancer Research, Queen's University, 97 Lisburn Road, Belfast, BT9 7AE, UK.
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Lin L, Zhang MX, Zhang L, Zhang D, Li C, Li YL. Autophagy, Pyroptosis, and Ferroptosis: New Regulatory Mechanisms for Atherosclerosis. Front Cell Dev Biol 2022; 9:809955. [PMID: 35096837 PMCID: PMC8793783 DOI: 10.3389/fcell.2021.809955] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/27/2021] [Indexed: 12/14/2022] Open
Abstract
Atherosclerosis is a chronic inflammatory disorder characterized by the gradual buildup of plaques within the vessel wall of middle-sized and large arteries. The occurrence and development of atherosclerosis and the rupture of plaques are related to the injury of vascular cells, including endothelial cells, smooth muscle cells, and macrophages. Autophagy is a subcellular process that plays an important role in the degradation of proteins and damaged organelles, and the autophagy disorder of vascular cells is closely related to atherosclerosis. Pyroptosis is a proinflammatory form of regulated cell death, while ferroptosis is a form of regulated nonapoptotic cell death involving overwhelming iron-dependent lipid peroxidation. Both of them exhibit distinct features from apoptosis, necrosis, and autophagy in morphology, biochemistry, and genetics. However, a growing body of evidence suggests that pyroptosis and ferroptosis interact with autophagy and participate in the development of cancers, degenerative brain diseases and cardiovascular diseases. This review updated the current understanding of autophagy, pyroptosis, and ferroptosis, finding potential links and their effects on atherogenesis and plaque stability, thus providing ways to develop new pharmacological strategies to address atherosclerosis and stabilize vulnerable, ruptured plaques.
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Affiliation(s)
- Lin Lin
- Chinese Medicine Innovation Research Institute, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Mu-Xin Zhang
- The First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Lei Zhang
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Dan Zhang
- Chinese Medicine Innovation Research Institute, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Chao Li
- Chinese Medicine Innovation Research Institute, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yun-Lun Li
- Chinese Medicine Innovation Research Institute, Shandong University of Traditional Chinese Medicine, Jinan, China.,Department of Cardiovascular, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
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Integrated Multiomics Analysis Identifies a Novel Biomarker Associated with Prognosis in Intracerebral Hemorrhage. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:2510847. [PMID: 36226158 PMCID: PMC8691985 DOI: 10.1155/2021/2510847] [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: 08/24/2021] [Accepted: 10/29/2021] [Indexed: 11/22/2022]
Abstract
Existing treatments for intracerebral hemorrhage (ICH) are unable to satisfactorily prevent development of secondary brain injury after ICH and multiple pathological mechanisms are involved in the development of the injury. In this study, we aimed to identify novel genes and proteins and integrated their molecular alternations to reveal key network modules involved in ICH pathology. A total of 30 C57BL/6 male mice were used for this study. The collagenase model of ICH was employed, 3 days after ICH animals were tested neurological. After it, animals were euthanized and perihematomal brain tissues were collected for transcriptome and TMT labeling-based quantitative proteome analyses. Protein-protein interaction (PPI) network, Gene Set Enrichment Analysis (GSEA), and regularized Canonical Correlation Analysis (rCCA) were performed to integrated multiomics data. For validation of hub genes and proteins, qRT-PCR and Western blot were carried out. The candidate biomarkers were further measured by ELISA in the plasma of ICH patients and the controls. A total of 2218 differentially expressed genes (DEGs) and 353 differentially expressed proteins (DEPs) between the ICH model group and control group were identified. GSEA revealed that immune-related gene sets were prominently upregulated and significantly enriched in pathways of inflammasome complex, negative regulation of interleukin-12 production, and pyroptosis during the ICH process. The rCCA network presented two highly connective clusters which were involved in the sphingolipid catabolic process and inflammatory response. Among ten hub genes screened out by integrative analysis, significantly upregulated Itgb2, Serpina3n, and Ctss were validated in the ICH group by qRT-PCR and Western blot. Plasma levels of human SERPINA3 (homologue of murine Serpina3n) were elevated in ICH patients compared with the healthy controls (SERPINA3: 13.3 ng/mL vs. 11.2 ng/mL, p = 0.015). Within the ICH group, higher plasma SERPINA3 levels with a predictive threshold of 14.31 ng/mL (sensitivity = 64.3%; specificity = 80.8%; AUC = 0.742, 95% CI: 0.567-0.916) were highly associated with poor outcome (mRS scores 4-6). Taken together, the results of our study exhibited molecular changes related to ICH-induced brain injury by multidimensional analysis and effectively identified three biomarker candidates in a mouse ICH model, as well as pointed out that Serpina3n/SERPINA3 was a potential biomarker associated with poor functional outcome in ICH patients.
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Qin Z, Liu F, Blair R, Wang C, Yang H, Mudd J, Currey JM, Iwanaga N, He J, Mi R, Han K, Midkiff CC, Alam MA, Aktas BH, Heide RSV, Veazey R, Piedimonte G, Maness NJ, Ergün S, Mauvais-Jarvis F, Rappaport J, Kolls JK, Qin X. Endothelial cell infection and dysfunction, immune activation in severe COVID-19. Theranostics 2021; 11:8076-8091. [PMID: 34335981 PMCID: PMC8315069 DOI: 10.7150/thno.61810] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 06/03/2021] [Indexed: 02/07/2023] Open
Abstract
Rationale: Pulmonary vascular endotheliitis, perivascular inflammation, and immune activation are observed in COVID-19 patients. While the initial SARS-CoV-2 infection mainly infects lung epithelial cells, whether it also infects endothelial cells (ECs) and to what extent SARS-CoV-2-mediated pulmonary vascular endotheliitis is associated with immune activation remain to be determined. Methods: To address these questions, we studied SARS-CoV-2-infected K18-hACE2 (K18) mice, a severe COVID-19 mouse model, as well as lung samples from SARS-CoV-2-infected nonhuman primates (NHP) and patient deceased from COVID-19. We used immunostaining, RNAscope, and electron microscopy to analyze the organs collected from animals and patient. We conducted bulk and single cell (sc) RNA-seq analyses, and cytokine profiling of lungs or serum of the severe COVID-19 mice. Results: We show that SARS-CoV-2-infected K18 mice develop severe COVID-19, including progressive body weight loss and fatality at 7 days, severe lung interstitial inflammation, edema, hemorrhage, perivascular inflammation, systemic lymphocytopenia, and eosinopenia. Body weight loss in K18 mice correlated with the severity of pneumonia, but not with brain infection. We also observed endothelial activation and dysfunction in pulmonary vessels evidenced by the up-regulation of VCAM1 and ICAM1 and the downregulation of VE-cadherin. We detected SARS-CoV-2 in capillary ECs, activation and adhesion of platelets and immune cells to the vascular wall of the alveolar septa, and increased complement deposition in the lungs, in both COVID-19-murine and NHP models. We also revealed that pathways of coagulation, complement, K-ras signaling, and genes of ICAM1 and VCAM1 related to EC dysfunction and injury were upregulated, and were associated with massive immune activation in the lung and circulation. Conclusion: Together, our results indicate that SARS-CoV-2 causes endotheliitis via both infection and infection-mediated immune activation, which may contribute to the pathogenesis of severe COVID-19 disease.
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Affiliation(s)
- Zhongnan Qin
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | - Fengming Liu
- Tulane National Primate Research Center, Covington, LA 70433, USA
- Department of Immunology and Microbiology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Robert Blair
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | - Chenxiao Wang
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | - Haoran Yang
- Departments of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Joseph Mudd
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | - Joshua M Currey
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | - Naoki Iwanaga
- Departments of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Jibao He
- Coordinated Instrumentation Facility, Tulane University, New Orleans LA 70118, USA
| | - Ren Mi
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | - Kun Han
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | | | | | - Bertal H Aktas
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | | | - Ronald Veazey
- Tulane National Primate Research Center, Covington, LA 70433, USA
| | - Giovanni Piedimonte
- Departments of Pediatrics, Biochemistry & Molecular Biology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Nicholas J Maness
- Tulane National Primate Research Center, Covington, LA 70433, USA
- Department of Immunology and Microbiology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Süleyman Ergün
- Institute of Anatomy and Cell Biology, Julius-Maximilians-Universität Würzburg, Koellikerstrasse 6, 97070 Würzburg, Germany
| | - Franck Mauvais-Jarvis
- Department of Medicine, Section of Endocrinology and Metabolism, Tulane University Health Sciences Center, School of Medicine, New Orleans, LA 70112, USA
- Southeast Louisiana Veterans Health Care System, New Orleans, LA 70119, USA
- Tulane Center of Excellence in Sex-Based Biology & Medicine, LA 70112, USA
| | - Jay Rappaport
- Tulane National Primate Research Center, Covington, LA 70433, USA
- Department of Immunology and Microbiology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Jay K. Kolls
- Departments of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Xuebin Qin
- Tulane National Primate Research Center, Covington, LA 70433, USA
- Department of Immunology and Microbiology, Tulane University School of Medicine, New Orleans, LA 70112, USA
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Liu F, Han K, Blair R, Kenst K, Qin Z, Upcin B, Wörsdörfer P, Midkiff CC, Mudd J, Belyaeva E, Milligan NS, Rorison TD, Wagner N, Bodem J, Dölken L, Aktas BH, Vander Heide RS, Yin XM, Kolls JK, Roy CJ, Rappaport J, Ergün S, Qin X. SARS-CoV-2 Infects Endothelial Cells In Vivo and In Vitro. Front Cell Infect Microbiol 2021; 11:701278. [PMID: 34307198 PMCID: PMC8292147 DOI: 10.3389/fcimb.2021.701278] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 06/16/2021] [Indexed: 12/15/2022] Open
Abstract
SARS-CoV-2 infection can cause fatal inflammatory lung pathology, including thrombosis and increased pulmonary vascular permeability leading to edema and hemorrhage. In addition to the lung, cytokine storm-induced inflammatory cascade also affects other organs. SARS-CoV-2 infection-related vascular inflammation is characterized by endotheliopathy in the lung and other organs. Whether SARS-CoV-2 causes endotheliopathy by directly infecting endothelial cells is not known and is the focus of the present study. We observed 1) the co-localization of SARS-CoV-2 with the endothelial cell marker CD31 in the lungs of SARS-CoV-2-infected mice expressing hACE2 in the lung by intranasal delivery of adenovirus 5-hACE2 (Ad5-hACE2 mice) and non-human primates at both the protein and RNA levels, and 2) SARS-CoV-2 proteins in endothelial cells by immunogold labeling and electron microscopic analysis. We also detected the co-localization of SARS-CoV-2 with CD31 in autopsied lung tissue obtained from patients who died from severe COVID-19. Comparative analysis of RNA sequencing data of the lungs of infected Ad5-hACE2 and Ad5-empty (control) mice revealed upregulated KRAS signaling pathway, a well-known pathway for cellular activation and dysfunction. Further, we showed that SARS-CoV-2 directly infects mature mouse aortic endothelial cells (AoECs) that were activated by performing an aortic sprouting assay prior to exposure to SARS-CoV-2. This was demonstrated by co-localization of SARS-CoV-2 and CD34 by immunostaining and detection of viral particles in electron microscopic studies. Moreover, the activated AoECs became positive for ACE-2 but not quiescent AoECs. Together, our results indicate that in addition to pneumocytes, SARS-CoV-2 also directly infects mature vascular endothelial cells in vivo and ex vivo, which may contribute to cardiovascular complications in SARS-CoV-2 infection, including multipleorgan failure.
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Affiliation(s)
- Fengming Liu
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
- Department of Immunology and Microbiology, Tulane University School of Medicine, New Orleans, LA, United States
| | - Kun Han
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
| | - Robert Blair
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
| | - Kornelia Kenst
- Institute of Anatomy and Cell Biology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Zhongnan Qin
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
| | - Berin Upcin
- Institute of Anatomy and Cell Biology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Philipp Wörsdörfer
- Institute of Anatomy and Cell Biology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Cecily C. Midkiff
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
| | - Joseph Mudd
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
| | - Elizaveta Belyaeva
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, United States
| | - Nicholas S. Milligan
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, United States
| | - Tyler D. Rorison
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, United States
| | - Nicole Wagner
- Institute of Anatomy and Cell Biology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Jochen Bodem
- Institute of Virology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Lars Dölken
- Institute of Virology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Bertal H. Aktas
- Division of Hematology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | | | - Xiao-Ming Yin
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, United States
| | - Jay K. Kolls
- Departments of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA, United States
| | - Chad J. Roy
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
- Department of Immunology and Microbiology, Tulane University School of Medicine, New Orleans, LA, United States
| | - Jay Rappaport
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
- Department of Immunology and Microbiology, Tulane University School of Medicine, New Orleans, LA, United States
| | - Süleyman Ergün
- Institute of Anatomy and Cell Biology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Xuebin Qin
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
- Department of Immunology and Microbiology, Tulane University School of Medicine, New Orleans, LA, United States
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10
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Different types of cell death in vascular diseases. Mol Biol Rep 2021; 48:4687-4702. [PMID: 34013393 DOI: 10.1007/s11033-021-06402-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 05/08/2021] [Indexed: 10/21/2022]
Abstract
In a mature organism, tissue homeostasis is regulated by cell division and cell demise as the two major physiological procedures. There is increasing evidence that deregulation of these processes is important in the pathogenicity of main diseases, including myocardial infarction, stroke, atherosclerosis, and inflammatory diseases. Therefore, there are ongoing efforts to discover modulating factors of the cell cycle and cell demise planners aiming at shaping innovative therapeutically modalities to the therapy of such diseases. Although the life of a cell is terminated by several modes of action, a few cell deaths exist-some of which resemble apoptosis and/or necrosis, and most of them are different from one another-that contribute to a wide range of functions to either support or disrupt the homoeostasis. Even in normal physiological conditions, cell life is severe within the cardiovascular system. Cells are persistently undergoing stretch, contraction, injurious metabolic byproducts, and hemodynamic forces, and a few of cells sustain decade-long lifetimes. The duration of vascular disease causes further exposure of vascular cells to a novel range of offences, most of which induce cell death. There is growing evidence on consequences of direct damage to a cell, as well as on responses of adjacent and infiltrating cells, which also have an effect on the pathology. In this study, by focusing on different pathways of cell death in different vascular diseases, an attempt is made to open a new perspective on the therapeutic goals associated with cell death in these diseases.
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11
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Xu DL, Pan J. Transcription factor EB promotes rheumatoid arthritis of Sprague-Dawley rats via regulating autophagy. 3 Biotech 2021; 11:162. [PMID: 33786279 DOI: 10.1007/s13205-021-02710-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 02/23/2021] [Indexed: 12/13/2022] Open
Abstract
This study investigated the effect of autophagy-related gene transcription factor EB (TFEB) on the rheumatoid arthritis (RA) and explored whether TFEB regulated RA by autophagy. The Sprague-Dawley rats were divided into two groups (n = 6). The rats were stimulated with the mixture of the type II collagen and Freund's adjuvant or PBS at the root of the tail. Results showed that swollen and deformed joints were discovered, the levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) were elevated, and hematoxylin and eosin staining showed the inflammatory cells infiltrate the synovial tissue in the RA rats, compared to the control group. Immunohistochemistry displayed that the expressions of TFEB and LC3B increased in the synovial tissues of RA rats, whereas p62 decreased. The silence of TFEB in the RA-fibroblast-like synoviocytes (RA-FLS) decreased the protein expressions of LC3B, compared to the siRNA NC group. Meanwhile, the activity of FLS was raised, whereas the levels of TNF-α and IL-6 decreased in RA-FLS with TFEB knockdown. In conclusion, our study revealed that TFEB plays a crucial role in the progress of RA by regulating autophagy, which might provide novel targets for the therapy of RA.
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Affiliation(s)
- De Lai Xu
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, No 1055, Sanxiang Road, Gusu District, Suzhou, 215004 Jiangsu China
| | - Jie Pan
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, No 1055, Sanxiang Road, Gusu District, Suzhou, 215004 Jiangsu China
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12
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Melnik BC. Lifetime Impact of Cow's Milk on Overactivation of mTORC1: From Fetal to Childhood Overgrowth, Acne, Diabetes, Cancers, and Neurodegeneration. Biomolecules 2021; 11:404. [PMID: 33803410 PMCID: PMC8000710 DOI: 10.3390/biom11030404] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/04/2021] [Accepted: 03/04/2021] [Indexed: 02/07/2023] Open
Abstract
The consumption of cow's milk is a part of the basic nutritional habits of Western industrialized countries. Recent epidemiological studies associate the intake of cow's milk with an increased risk of diseases, which are associated with overactivated mechanistic target of rapamycin complex 1 (mTORC1) signaling. This review presents current epidemiological and translational evidence linking milk consumption to the regulation of mTORC1, the master-switch for eukaryotic cell growth. Epidemiological studies confirm a correlation between cow's milk consumption and birthweight, body mass index, onset of menarche, linear growth during childhood, acne vulgaris, type 2 diabetes mellitus, prostate cancer, breast cancer, hepatocellular carcinoma, diffuse large B-cell lymphoma, neurodegenerative diseases, and all-cause mortality. Thus, long-term persistent consumption of cow's milk increases the risk of mTORC1-driven diseases of civilization. Milk is a highly conserved, lactation genome-controlled signaling system that functions as a maternal-neonatal relay for optimized species-specific activation of mTORC1, the nexus for regulation of eukaryotic cell growth, and control of autophagy. A deeper understanding of milk´s impact on mTORC1 signaling is of critical importance for the prevention of common diseases of civilization.
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Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, Am Finkenhügel 7a, D-49076 Osnabrück, Germany
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13
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Synergistic Effects of Milk-Derived Exosomes and Galactose on α-Synuclein Pathology in Parkinson's Disease and Type 2 Diabetes Mellitus. Int J Mol Sci 2021; 22:ijms22031059. [PMID: 33494388 PMCID: PMC7865729 DOI: 10.3390/ijms22031059] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/14/2021] [Accepted: 01/19/2021] [Indexed: 12/11/2022] Open
Abstract
Epidemiological studies associate milk consumption with an increased risk of Parkinson's disease (PD) and type 2 diabetes mellitus (T2D). PD is an α-synucleinopathy associated with mitochondrial dysfunction, oxidative stress, deficient lysosomal clearance of α-synuclein (α-syn) and aggregation of misfolded α-syn. In T2D, α-syn promotes co-aggregation with islet amyloid polypeptide in pancreatic β-cells. Prion-like vagal nerve-mediated propagation of exosomal α-syn from the gut to the brain and pancreatic islets apparently link both pathologies. Exosomes are critical transmitters of α-syn from cell to cell especially under conditions of compromised autophagy. This review provides translational evidence that milk exosomes (MEX) disturb α-syn homeostasis. MEX are taken up by intestinal epithelial cells and accumulate in the brain after oral administration to mice. The potential uptake of MEX miRNA-148a and miRNA-21 by enteroendocrine cells in the gut, dopaminergic neurons in substantia nigra and pancreatic β-cells may enhance miRNA-148a/DNMT1-dependent overexpression of α-syn and impair miRNA-148a/PPARGC1A- and miRNA-21/LAMP2A-dependent autophagy driving both diseases. MiRNA-148a- and galactose-induced mitochondrial oxidative stress activate c-Abl-mediated aggregation of α-syn which is exported by exosome release. Via the vagal nerve and/or systemic exosomes, toxic α-syn may spread to dopaminergic neurons and pancreatic β-cells linking the pathogenesis of PD and T2D.
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14
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Lu H, Sun J, Hamblin MH, Chen YE, Fan Y. Transcription factor EB regulates cardiovascular homeostasis. EBioMedicine 2021; 63:103207. [PMID: 33418500 PMCID: PMC7804971 DOI: 10.1016/j.ebiom.2020.103207] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/11/2020] [Accepted: 12/28/2020] [Indexed: 01/09/2023] Open
Abstract
Cardiovascular diseases (CVDs) are the leading cause of death and a major cause of disability globally. Transcription factor EB (TFEB), as a member of the microphthalmia transcription factor (MITF) family, has been demonstrated to be a master regulator of autophagy and lysosomal biogenesis. Emerging studies suggest that TFEB regulates homeostasis in the cardiovascular system and shows beneficial effects on CVDs, including atherosclerosis, aortic aneurysm, postischemic angiogenesis, and cardiotoxicity, constituting a promising molecular target for the prevention and treatment of these diseases. Post-translational modifications regulate TFEB nuclear translocation and its transcriptional activity. Therapeutic strategies have been pursued to enhance TFEB activity and facilitate TFEB beneficial effects on CVDs. The elucidation of TFEB function and the precise underlying mechanisms will accelerate drug development and potential applications of TFEB drugs in the treatment of human diseases.
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Affiliation(s)
- Haocheng Lu
- Cardiovascular Center, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI, 48109, USA
| | - Jinjian Sun
- Cardiovascular Center, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI, 48109, USA
| | - Milton H Hamblin
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, 70112
| | - Y Eugene Chen
- Cardiovascular Center, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI, 48109, USA
| | - Yanbo Fan
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA; Department of Internal Medicine, Division of Cardiovascular Health and Disease, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA.
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15
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Xu S, Chen H, Ni H, Dai Q. Targeting HDAC6 attenuates nicotine-induced macrophage pyroptosis via NF-κB/NLRP3 pathway. Atherosclerosis 2020; 317:1-9. [PMID: 33321327 DOI: 10.1016/j.atherosclerosis.2020.11.021] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 10/11/2020] [Accepted: 11/18/2020] [Indexed: 11/17/2022]
Abstract
BACKGROUND AND AIMS During the development of atherosclerosis, nicotine activates macrophage inflammation. However, whether nicotine induces macrophage pyroptosis and the underlying mechanisms remain unclear. This study aimed to investigate the role of histone deacetylase 6 (HDAC6) in nicotine-induced macrophage pyroptosis. METHODS For the in vivo study, nicotine was administered to 8-week-old ApoE-/- mice fed a high-fat diet (HFD) for 12 weeks. TUNEL/CD68 and Caspase-1/CD68 staining was used to assess macrophage pyroptosis in plaque. For the in vitro study, Western blotting, lactic dehydrogenase activity (LDH), coimmunoprecipitation, chromatin immunoprecipitation and immunofluorescence were used to evaluate pyroptosis and related signaling pathway in RAW264.7 cells. RESULTS A high-fat diet and nicotine upregulated macrophage pyroptosis in atherosclerotic lesions. Nicotine promoted pyroptosis in RAW264.7 cells, as evidenced by increased expression of cleaved Caspase1, NLRP3, IL-1β, IL-18, and elevated LDH release. Inhibition of HDAC6 suppressed nicotine-induced pyroptosis, which is partly mediated by p65 acetylation and NLRP3 transcription. Silencing p65 or NLRP3 resulted in decreased pyroptosis in RAW264.7 cells. CONCLUSIONS Nicotine induces macrophage pyroptosis in atherosclerosis through HDAC6/NF-κB/NLRP3 signaling pathway.
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Affiliation(s)
- Shuang Xu
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200080, China; Department of Ultrasound, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, China
| | - Hangwei Chen
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200080, China
| | - Huaner Ni
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200080, China
| | - Qiuyan Dai
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200080, China.
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16
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Santovito D. From Beneficial to Detrimental: How Nicotine Hijacks the Autophagy Machinery. Arterioscler Thromb Vasc Biol 2020; 40:1955-1957. [PMID: 32845772 DOI: 10.1161/atvbaha.120.314975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Donato Santovito
- From the Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians University, Munich, Germany; and German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Germany
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