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Negri S, Sanford M, Shi H, Tarantini S. The role of endothelial TRP channels in age-related vascular cognitive impairment and dementia. Front Aging Neurosci 2023; 15:1149820. [PMID: 37020858 PMCID: PMC10067599 DOI: 10.3389/fnagi.2023.1149820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 02/28/2023] [Indexed: 04/07/2023] Open
Abstract
Transient receptor potential (TRP) proteins are part of a superfamily of polymodal cation channels that can be activated by mechanical, physical, and chemical stimuli. In the vascular endothelium, TRP channels regulate two fundamental parameters: the membrane potential and the intracellular Ca2+ concentration [(Ca2+)i]. TRP channels are widely expressed in the cerebrovascular endothelium, and are emerging as important mediators of several brain microvascular functions (e.g., neurovascular coupling, endothelial function, and blood-brain barrier permeability), which become impaired with aging. Aging is the most significant risk factor for vascular cognitive impairment (VCI), and the number of individuals affected by VCI is expected to exponentially increase in the coming decades. Yet, there are currently no preventative or therapeutic treatments available against the development and progression of VCI. In this review, we discuss the involvement of endothelial TRP channels in diverse physiological processes in the brain as well as in the pathogenesis of age-related VCI to explore future potential neuroprotective strategies.
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Affiliation(s)
- Sharon Negri
- Vascular Cognitive Impairment and Neurodegeneration Program, Reynolds Oklahoma Center on Aging/Center for Geroscience and Healthy Brain Aging, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
| | - Madison Sanford
- Vascular Cognitive Impairment and Neurodegeneration Program, Reynolds Oklahoma Center on Aging/Center for Geroscience and Healthy Brain Aging, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
| | - Helen Shi
- Vascular Cognitive Impairment and Neurodegeneration Program, Reynolds Oklahoma Center on Aging/Center for Geroscience and Healthy Brain Aging, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Stefano Tarantini
- Vascular Cognitive Impairment and Neurodegeneration Program, Reynolds Oklahoma Center on Aging/Center for Geroscience and Healthy Brain Aging, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
- Department of Health Promotion Sciences, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- *Correspondence: Stefano Tarantini,
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Association between atherogenic risk-modulating proteins and endothelium-dependent flow-mediated dilation in coronary artery disease patients. Eur J Appl Physiol 2023; 123:367-380. [PMID: 36305972 PMCID: PMC9894982 DOI: 10.1007/s00421-022-05040-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 09/04/2022] [Indexed: 02/06/2023]
Abstract
PURPOSE Endothelial dysfunction is an early and integral event in the development of atherosclerosis and coronary artery disease (CAD). Reduced NO bioavailability, oxidative stress, vasoconstriction, inflammation and senescence are all implicated in endothelial dysfunction. However, there are limited data examining associations between these pathways and direct in vivo bioassay measures of endothelial function in CAD patients. This study aimed to examine the relationships between in vivo measures of vascular function and the expression of atherogenic risk-modulating proteins in endothelial cells (ECs) isolated from the radial artery of CAD patients. METHODS Fifty-six patients with established CAD underwent trans-radial catheterization. Prior to catheterization, radial artery vascular function was assessed using a) flow-mediated dilation (FMD), and b) exercise-induced dilation in response to handgrip (HE%). Freshly isolated ECs were obtained from the radial artery during catheterization and protein content of eNOS, NAD(P)H oxidase subunit NOX2, NFκB, ET-1 and the senescence markers p53, p21 and p16 were evaluated alongside nitrotyrosine abundance and eNOS Ser1177 phosphorylation. RESULTS FMD was positively associated with eNOS Ser1177 phosphorylation (r = 0.290, P = 0.037), and protein content of p21 (r = 0.307, P = 0.027) and p16 (r = 0.426, P = 0.002). No associations were found between FMD and markers of oxidative stress, vasoconstriction or inflammation. In contrast to FMD, HE% was not associated with any of the EC proteins. CONCLUSION These data revealed a difference in the regulation of endothelium-dependent vasodilation measured in vivo between patients with CAD compared to previously reported data in subjects without a clinical diagnosis, suggesting that eNOS Ser1177 phosphorylation may be the key to maintain vasodilation in CAD patients.
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Bloom SI, Islam MT, Lesniewski LA, Donato AJ. Mechanisms and consequences of endothelial cell senescence. Nat Rev Cardiol 2023; 20:38-51. [PMID: 35853997 PMCID: PMC10026597 DOI: 10.1038/s41569-022-00739-0] [Citation(s) in RCA: 84] [Impact Index Per Article: 84.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/13/2022] [Indexed: 12/15/2022]
Abstract
Endothelial cells are located at the crucial interface between circulating blood and semi-solid tissues and have many important roles in maintaining systemic physiological function. The vascular endothelium is particularly susceptible to pathogenic stimuli that activate tumour suppressor pathways leading to cellular senescence. We now understand that senescent endothelial cells are highly active, secretory and pro-inflammatory, and have an aberrant morphological phenotype. Moreover, endothelial senescence has been identified as an important contributor to various cardiovascular and metabolic diseases. In this Review, we discuss the consequences of endothelial cell exposure to damaging stimuli (haemodynamic forces and circulating and endothelial-derived factors) and the cellular and molecular mechanisms that induce endothelial cell senescence. We also discuss how endothelial cell senescence causes arterial dysfunction and contributes to clinical cardiovascular diseases and metabolic disorders. Finally, we summarize the latest evidence on the effect of eliminating senescent endothelial cells (senolysis) and identify important remaining questions to be addressed in future studies.
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Affiliation(s)
- Samuel I Bloom
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
| | - Md Torikul Islam
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
| | - Lisa A Lesniewski
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
- Department of Internal Medicine, Division of Geriatrics, University of Utah, Salt Lake City, UT, USA
- Veterans Affairs Medical Center-Salt Lake City, Geriatric Research Education and Clinical Center, Salt Lake City, UT, USA
| | - Anthony J Donato
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA.
- Department of Internal Medicine, Division of Geriatrics, University of Utah, Salt Lake City, UT, USA.
- Veterans Affairs Medical Center-Salt Lake City, Geriatric Research Education and Clinical Center, Salt Lake City, UT, USA.
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA.
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Liang Z, Chen Y, Gu R, Guo Q, Nie X. Asiaticoside Prevents Oxidative Stress and Apoptosis in Endothelial Cells by Activating ROS-dependent p53/Bcl-2/Caspase-3 Signaling Pathway. Curr Mol Med 2023; 23:1116-1129. [PMID: 36284389 DOI: 10.2174/1566524023666221024120825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/06/2022] [Accepted: 09/06/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Asiaticoside (AC) is a triterpenoid saponin found in Centella asiatica (L.) urban extract that has a wide range of pharmacological properties. Our previous study demonstrated that AC could promote angiogenesis in diabetic wounds, but the specific mechanisms remain unknown. OBJECTIVE This study aimed to examine the effectiveness and mechanism of AC on human umbilical vein endothelial cells (HUVECs) exposed to tert-butyl hydroperoxide (t-BHP) toxicity. METHODS Senescence was confirmed using senescence-associated betagalactosidase (SA-β-gal) activity and expression of the cell cycle phase markers p16 and p21. The levels of SOD, NO, MDA, GSH-Px, and ROS were tested. Furthermore, several cell death-related genes and proteins (p53, Bax, Bcl-2 and Caspase-3) were assessed with RT-qPCR and Western blotting. RESULTS AC significantly reduced SA-β-gal activity, with both the suppression of cellcycle inhibitors p16 and p21. We also found that the induced oxidative stress and apoptosis caused by t-BHP treatment resulted in the decrease of antioxidant enzymes activities, the surge of ROS and MDA, the up-regulation of p53, Bax and caspase-3, and the decrease of SOD, NO, GSH-Px and Bcl-2. These biochemical changes were all reversed by treatment with varying doses of AC. CONCLUSION AC alleviates t-BHP-induced oxidative injury and apoptosis in HUVECs through the ROS-dependent p53/Bcl-2/Caspase-3 signaling pathway. It may be a potential antioxidant applied in metabolic disorders and pharmaceutical products.
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Affiliation(s)
- Zhenwen Liang
- College of Rehabilitation Sciences, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
- Key Laboratory of Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563003, China
- College of Pharmacy, Zunyi Medical University, Zunyi 563003, China
- Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563003, China
| | - Yu Chen
- Key Laboratory of Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563003, China
- College of Pharmacy, Zunyi Medical University, Zunyi 563003, China
- Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563003, China
| | - Rifang Gu
- College of Pharmacy, Zunyi Medical University, Zunyi 563003, China
| | - Qi Guo
- College of Rehabilitation Sciences, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Xuqiang Nie
- Key Laboratory of Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563003, China
- College of Pharmacy, Zunyi Medical University, Zunyi 563003, China
- Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563003, China
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Critical Role of Cathepsin L/V in Regulating Endothelial Cell Senescence. BIOLOGY 2022; 12:biology12010042. [PMID: 36671735 PMCID: PMC9855167 DOI: 10.3390/biology12010042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022]
Abstract
The senescence of vascular endothelial cells (ECs) is characterized as a hallmark of vascular aging, which leads to the initiation, progress, and advancement of cardiovascular diseases. However, the mechanism of the ECs senescence remains elusive. In this study, thoracic aortas were separated from young (8-week-old) and aged (18-month-old) mice. Decreased Ctsl expression and increased vascular remodeling were observed in senescent aorta. H2O2 was used to induce human umbilical vein endothelial cells (HUVECs) senescence, as shown by increased SA-β-gal positive cells and upregulated p21 level. CTSV significantly decreased after H2O2 treatment, while over-expression of CTSV by adenovirus reduced cellular senescence. RNA sequencing analysis was conducted subsequently, and ALDH1A2 was observed to significantly increased in H2O2 group and decreased after over-expression of CTSV. This result was further confirmed by RT-PCR and WB. Moreover, over-expression of CTSV reduced the increase of ERK1/2 and AKT phosphorylation induced by H2O2. Additionally, retinoic acid (RA), the major production of ALDH1A2, was added to CTSV over-expressed senescent HUVECs. Administration of RA activated AKT and ERK1/2, induced the expression of p21, and enhanced SA-β-gal positive cells, while not affecting the expression of CTSV and ALDH1A2. These results were further confirmed in doxorubicin (DOX)-induced senescent ECs. In conclude, we have identified that Ctsl/CTSV plays a key role in ECs senescence by regulating ALDH1A2 to activate AKT/ ERK1/2-P21 pathway. Therefore, targeting Ctsl/CTSV may be a potential therapeutic strategy in EC senescence.
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Motoji Y, Fukazawa R, Matsui R, Abe Y, Uehara I, Watanabe M, Hashimoto Y, Miyagi Y, Nagi-Miura N, Tanaka N, Ishii Y. Statins Show Anti-Atherosclerotic Effects by Improving Endothelial Cell Function in a Kawasaki Disease-like Vasculitis Mouse Model. Int J Mol Sci 2022; 23:ijms232416108. [PMID: 36555746 PMCID: PMC9780952 DOI: 10.3390/ijms232416108] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/06/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Kawasaki disease (KD) is an acute inflammatory syndrome of unknown etiology that is complicated by cardiovascular sequelae. Chronic inflammation (vasculitis) due to KD might cause vascular cellular senescence and vascular endothelial cell damage, and is a potential cause of atherosclerosis in young adults. This study examined the effect of KD and HMG-CoA inhibitors (statins) on vascular cellular senescence and vascular endothelial cells. Candida albicans water-soluble fraction (CAWS) was administered intraperitoneally to 5-week-old male apolipoprotein E-deficient (ApoE-) mice to induce KD-like vasculitis. The mice were then divided into three groups: control, CAWS, and CAWS+statin groups. Ten weeks after injection, the mice were sacrificed and whole aortic tissue specimens were collected. Endothelial nitric oxide synthase (eNOS) expression in the ascending aortic intima epithelium was evaluated using immunostaining. In addition, eNOS expression and levels of cellular senescence markers were measured in RNA and proteins extracted from whole aortic tissue. KD-like vasculitis impaired vascular endothelial cells that produce eNOS, which maintains vascular homeostasis, and promoted macrophage infiltration into the tissue. Statins also restored vascular endothelial cell function by promoting eNOS expression. Statins may be used to prevent secondary cardiovascular events during the chronic phase of KD.
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Affiliation(s)
- Yusuke Motoji
- Department of Cardiovascular Surgery, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
| | - Ryuji Fukazawa
- Department of Pediatrics, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
- Correspondence: ; Tel.: +81-3-3822-2131
| | - Ryosuke Matsui
- Department of Pediatrics, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
| | - Yoshinori Abe
- Department of Molecular Oncology, Institute for Advanced Medical Sciences, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
| | - Ikuno Uehara
- Department of Molecular Oncology, Institute for Advanced Medical Sciences, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
| | - Makoto Watanabe
- Department of Pediatrics, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
| | - Yoshiaki Hashimoto
- Department of Pediatrics, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
| | - Yasuo Miyagi
- Department of Cardiovascular Surgery, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
| | - Noriko Nagi-Miura
- Laboratory for Immunopharmacology of Microbial Products, Tokyo University of Pharmacy and Life Sciences, Hachioji 192-0392, Japan
| | - Nobuyuki Tanaka
- Department of Molecular Oncology, Institute for Advanced Medical Sciences, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
| | - Yosuke Ishii
- Department of Cardiovascular Surgery, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
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Osborne OM, Kowalczyk JM, Louis KDP, Daftari MT, Colbert BM, Naranjo O, Torices S, András IE, Dykxhoorn DM, Toborek M. Brain endothelium-derived extracellular vesicles containing amyloid-beta induce mitochondrial alterations in neural progenitor cells. EXTRACELLULAR VESICLES AND CIRCULATING NUCLEIC ACIDS 2022; 3:340-362. [PMID: 36649440 PMCID: PMC9838065 DOI: 10.20517/evcna.2022.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Aim Elevated brain deposits of amyloid beta (Aβ40) contribute to neuropathology and cognitive dysfunction in Alzheimer's disease (AD). However, the role of the blood-brain barrier (BBB) as an interface for the transfer of Aβ40 from the periphery into the brain is not well characterized. In addition, a substantial population of neural progenitor cells (NPCs) resides in close proximity to brain capillaries that form the BBB. The aim of this study is to understand the impact of brain endothelium-derived extracellular vesicles (EV) containing Aβ40 on metabolic functions and differentiation of NPCs. Methods Endothelial EVs were derived from an in vitro model of the brain endothelium treated with 100 nM Aβ40 or PBS. We then analyzed the impact of these EVs on mitochondrial morphology and bioenergetic disruption of NPCs. In addition, NPCs were differentiated and neurite development upon exposure to EVs was assessed using the IncuCyte Zoom live cell imaging system. Results We demonstrate that physiological concentrations of Aβ40 can be transferred to accumulate in NPCs via endothelial EVs. This transfer results in mitochondrial dysfunction, disrupting crista morphology, metabolic rates, fusion and fission dynamics of NPCs, as well as their neurite development. Conclusion Intercellular transfer of Aβ40 is carried out by brain endothelium-derived EVs, which can affect NPC differentiation and induce mitochondrial dysfunction, leading to aberrant neurogenesis. This has pathological implications because NPCs growing into neurons are incorporated into cerebral structures involved in learning and memory, two common phenotypes affected in AD and related dementias.
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Affiliation(s)
- Olivia M. Osborne
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Dr. JT Macdonald Foundation Biomedical Nanotechnology Institute of the University of Miami, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Jennifer M. Kowalczyk
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Kelssey D. Pierre Louis
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Manav T. Daftari
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Brett M. Colbert
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Medical Scientist Training Program, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Oandy Naranjo
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Dr. JT Macdonald Foundation Biomedical Nanotechnology Institute of the University of Miami, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Silvia Torices
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Dr. JT Macdonald Foundation Biomedical Nanotechnology Institute of the University of Miami, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Ibolya E. András
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Derek M. Dykxhoorn
- Dr. John T. Macdonald Foundation Department of Human Genetics, John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Michal Toborek
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Dr. JT Macdonald Foundation Biomedical Nanotechnology Institute of the University of Miami, University of Miami Miller School of Medicine, Miami, FL 33136, USA
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de Oliveira GV, Alvares TS. Effect of curcumin on endothelial function in humans and their proposed physiological mechanism: Insights in formulating curcumin products supplementation. PHARMANUTRITION 2022. [DOI: 10.1016/j.phanu.2022.100313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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59
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Drekolia MK, Talyan S, Cordellini Emídio R, Boon RA, Guenther S, Looso M, Dumbović G, Bibli SI. Unravelling the impact of aging on the human endothelial lncRNA transcriptome. Front Genet 2022; 13:1035380. [PMID: 36338971 PMCID: PMC9634578 DOI: 10.3389/fgene.2022.1035380] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/06/2022] [Indexed: 11/21/2022] Open
Abstract
The incidence and prevalence of cardiovascular disease is highest among the elderly. There is a need to further understand the mechanisms behind endothelial cell aging in order to achieve vascular rejuvenation and minimize the onset of age-related vascular diseases. Long non-coding RNAs (lncRNAs) have been proposed to regulate numerous processes in the human genome, yet their function in vascular aging and their therapeutic potential remain largely unknown. This is primarily because the majority of studies investigating the impact of aging on lncRNA expression heavily rely on in vitro studies based on replicative senescence. Here, using a unique collection of young and aged endothelial cells isolated from native human arteries, we sought to characterize the age-related alterations in lncRNA expression profiles. We were able to detect a total of 4463 lncRNAs expressed in the human endothelium from which ∼17% (798) were altered in advanced age. One of the most affected lncRNAs in aging was the primate-specific, Prostate Cancer Associated Transcript (PCAT) 14. In our follow up analysis, using single molecule RNA FISH, we showed that PCAT14 is relatively abundant, localized almost exclusively in the nucleus of young endothelial cells, and silenced in the aged endothelium. Functionally, our studies proposed that downregulation of PCAT14 alters endothelial cell transcription profile and cell functions including endothelial cell migration, sprouting and inflammatory responses in vitro. Taken together, our data highlight that endothelial cell aging correlates with altered expression of lncRNAs, which could impair the endothelial regenerative capacity and enhance inflammatory phenotypes.
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Affiliation(s)
- Maria-Kyriaki Drekolia
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt, Germany
| | - Sweta Talyan
- Bioinformatics Core Unit, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | | | - Reinier Abraham Boon
- Institute for Cardiovascular Regeneration, Goethe University, Frankfurt, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhein/Main, Frankfurt, Germany
| | - Stefan Guenther
- Bioinformatics Core Unit, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhein/Main, Frankfurt, Germany
| | - Mario Looso
- Bioinformatics Core Unit, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhein/Main, Frankfurt, Germany
| | - Gabrijela Dumbović
- Institute for Cardiovascular Regeneration, Goethe University, Frankfurt, Germany
- *Correspondence: Sofia-Iris Bibli, ; Gabrijela Dumbović,
| | - Sofia-Iris Bibli
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt, Germany
- German Center for Cardiovascular Research (DZHK), partner site Rhein/Main, Frankfurt, Germany
- *Correspondence: Sofia-Iris Bibli, ; Gabrijela Dumbović,
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Sanchez M, Kannengiesser C, Hoang S, Potier L, Fumeron F, Venteclef N, Scheen A, Gautier JF, Hadjadj S, Marre M, Roussel R, Mohammedi K, Velho G. Leukocyte telomere length, allelic variations in related genes and risk of coronary heart disease in people with long-standing type 1 diabetes. Cardiovasc Diabetol 2022; 21:206. [PMID: 36221106 PMCID: PMC9554968 DOI: 10.1186/s12933-022-01635-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/01/2022] [Indexed: 11/20/2022] Open
Abstract
Background Type 1 diabetes is associated with accelerated vascular aging and advanced atherosclerosis resulting in increased rates of cardiovascular disease and premature death. We evaluated associations between Leukocyte telomere length (LTL), allelic variations (SNPs) in LTL-related genes and the incidence of coronary heart disease (CHD) in adults with long-standing type 1 diabetes. Methods We assessed associations of LTL, measured at baseline by RT–PCR, and of SNPs in 11 LTL-related genes with the risk of coronary heart disease (CHD: myocardial infarction or coronary revascularization) and all-cause death during follow-up in two multicenter French-Belgian prospective cohorts of people with long-standing type 1 diabetes. Results In logistic and Cox analyses, the lowest tertile of LTL distribution (short telomeres) at baseline was associated with the prevalence of myocardial infarction at baseline and with increased risk of CHD (Hazard ratio 3.14 (1.39–7.70), p = 0.005, for shorter vs longer tertile of LTL) and all-cause death (Hazard ratio 1.63 (95% CI 1.04–2.55), p = 0.03, for shorter vs combined intermediate and longer tertiles of LTL) during follow-up. Allelic variations in six genes related to telomere biology (TERC, NAF1, TERT, TNKS, MEN1 and BICD1) were also associated with the incidence of CHD during follow-up. The associations were independent of sex, age, duration of diabetes, and a range of relevant confounding factors at baseline. Conclusions Our results suggest that short LTL is an independent risk factor for CHD in people with type 1 diabetes. Supplementary Information The online version contains supplementary material available at 10.1186/s12933-022-01635-0.
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Affiliation(s)
- Manuel Sanchez
- INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker-Enfants Malades, Université Paris Cité, Paris, France. .,UFR de Médecine, Université Paris Cité, Paris, France. .,Department of Geriatrics, Assistance Publique - Hôpitaux de Paris, Bichat University Hospital, 46 rue Henri Huchard, 75018, Paris, France.
| | - Caroline Kannengiesser
- UFR de Médecine, Université Paris Cité, Paris, France.,Department of Genetics, Assistance Publique - Hôpitaux de Paris, DHU FIRE, Bichat Hospital, Paris, France
| | - Sophie Hoang
- Department of Geriatrics, Charles-Foix University Hospital, Vitry sur Seine, France
| | - Louis Potier
- INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker-Enfants Malades, Université Paris Cité, Paris, France.,UFR de Médecine, Université Paris Cité, Paris, France.,Department of Diabetology, Endocrinology and Nutrition, Assistance Publique - Hôpitaux de Paris, DHU FIRE, Bichat Hospital, Paris, France
| | - Frédéric Fumeron
- INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker-Enfants Malades, Université Paris Cité, Paris, France
| | - Nicolas Venteclef
- INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker-Enfants Malades, Université Paris Cité, Paris, France
| | - André Scheen
- Department of Diabetology, Endocrinology and Nutrition, Sart Tilman University Hospital, Liège, Belgium
| | - Jean-François Gautier
- INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker-Enfants Malades, Université Paris Cité, Paris, France.,UFR de Médecine, Université Paris Cité, Paris, France.,Department of Diabetology, Endocrinology and Nutrition, Assistance Publique - Hôpitaux de Paris, Lariboisière University Hospital, Paris, France
| | - Samy Hadjadj
- Institut du Thorax, INSERM, CNRS, CHU Nantes, Université de Nantes, Nantes, France
| | - Michel Marre
- Clinique Ambroise Paré, Neuilly-sur-Seine, France
| | - Ronan Roussel
- INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker-Enfants Malades, Université Paris Cité, Paris, France.,UFR de Médecine, Université Paris Cité, Paris, France.,Department of Diabetology, Endocrinology and Nutrition, Assistance Publique - Hôpitaux de Paris, DHU FIRE, Bichat Hospital, Paris, France
| | - Kamel Mohammedi
- INSERM U1034, Bordeaux University and Hospital, Bordeaux, France
| | - Gilberto Velho
- INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker-Enfants Malades, Université Paris Cité, Paris, France
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61
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Exarchos V, Neuber S, Meyborg H, Giampietro C, Chala N, Moimas S, Hinkov H, Kaufmann F, Pramotton FM, Krüger K, Rodriguez Cetina Biefer H, Cesarovic N, Poulikakos D, Falk V, Emmert MY, Ferrari A, Nazari-Shafti TZ. Anisotropic topographies restore endothelial monolayer integrity and promote the proliferation of senescent endothelial cells. Front Cardiovasc Med 2022; 9:953582. [PMID: 36277782 PMCID: PMC9579341 DOI: 10.3389/fcvm.2022.953582] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 08/31/2022] [Indexed: 11/13/2022] Open
Abstract
Thrombogenicity remains a major issue in cardiovascular implants (CVIs). Complete surficial coverage of CVIs by a monolayer of endothelial cells (ECs) prior to implantation represents a promising strategy but is hampered by the overall logistical complexity and the high number of cells required. Consequently, extensive cell expansion is necessary, which may eventually lead to replicative senescence. Considering that micro-structured surfaces with anisotropic topography may promote endothelialization, we investigated the impact of gratings on the biomechanical properties and the replicative capacity of senescent ECs. After cultivation on gridded surfaces, the cells showed significant improvements in terms of adherens junction integrity, cell elongation, and orientation of the actin filaments, as well as enhanced yes-associated protein nuclear translocation and cell proliferation. Our data therefore suggest that micro-structured surfaces with anisotropic topographies may improve long-term endothelialization of CVIs.
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Affiliation(s)
- Vasileios Exarchos
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Translational Cardiovascular Regenerative Technologies Group, BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Sebastian Neuber
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Translational Cardiovascular Regenerative Technologies Group, BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Heike Meyborg
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Translational Cardiovascular Regenerative Technologies Group, BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Costanza Giampietro
- Experimental Continuum Mechanics, Empa Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland,Department of Mechanical and Process Engineering, Institute for Mechanical Systems, ETH Zürich, Zurich, Switzerland
| | - Nafsika Chala
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zürich, Zurich, Switzerland
| | - Silvia Moimas
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zürich, Zurich, Switzerland
| | - Hristian Hinkov
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Translational Cardiovascular Regenerative Technologies Group, BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Friedrich Kaufmann
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany
| | - Francesca M. Pramotton
- Experimental Continuum Mechanics, Empa Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland,Department of Mechanical and Process Engineering, Institute for Mechanical Systems, ETH Zürich, Zurich, Switzerland
| | - Katrin Krüger
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Translational Cardiovascular Regenerative Technologies Group, BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany,Clinic for Cardiovascular Surgery, Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Hector Rodriguez Cetina Biefer
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Translational Cardiovascular Regenerative Technologies Group, BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany,Department of Cardiac Surgery, City Hospital of Zürich, Site Triemli, Zurich, Switzerland
| | - Nikola Cesarovic
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland
| | - Dimos Poulikakos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zürich, Zurich, Switzerland
| | - Volkmar Falk
- Clinic for Cardiovascular Surgery, Charité—Universitätsmedizin Berlin, Berlin, Germany,Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland,Department for Cardiovascular and Thoracic Surgery, German Heart Center Berlin, Berlin, Germany
| | - Maximilian Y. Emmert
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Translational Cardiovascular Regenerative Technologies Group, BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany,Clinic for Cardiovascular Surgery, Charité—Universitätsmedizin Berlin, Berlin, Germany,Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland,Institute for Regenerative Medicine, University of Zurich, Zurich, Switzerland
| | - Aldo Ferrari
- Experimental Continuum Mechanics, Empa Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland,Department of Mechanical and Process Engineering, Institute for Mechanical Systems, ETH Zürich, Zurich, Switzerland,Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zürich, Zurich, Switzerland
| | - Timo Z. Nazari-Shafti
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany,Translational Cardiovascular Regenerative Technologies Group, BIH Center for Regenerative Therapies, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany,BIH Biomedical Innovation Academy, BIH Charité (Junior) (Digital) Clinician Scientist Program, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Berlin, Germany,*Correspondence: Timo Z. Nazari-Shafti,
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62
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Takami Y, Wang C, Nakagami H, Yamamoto K, Nozato Y, Imaizumi Y, Nagasawa M, Takeshita H, Nakajima T, Takeda S, Takeya Y, Kaneda Y, Rakugi H. Novel pathophysiological roles of α-synuclein in age-related vascular endothelial dysfunction. FASEB J 2022; 36:e22555. [PMID: 36125010 DOI: 10.1096/fj.202101621r] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 08/21/2022] [Accepted: 09/06/2022] [Indexed: 11/11/2022]
Abstract
Although α-synuclein (SNCA) is a well-known pathological molecule involved in synucleinopathy in neurons, its physiological roles remain largely unknown. We reported that serum SNCA levels have a close inverse correlation with blood pressure and age, which indicates the involvement of SNCA in age-related endothelial dysfunction. Therefore, this study aimed to elucidate the molecular functions of SNCA in the endothelium. We confirmed that SNCA was expressed in and secreted from endothelial cells (ECs). Exogenous treatment with recombinant SNCA (rSNCA) activated the Akt-eNOS axis and increased nitric oxide production in ECs. Treatment with rSNCA also suppressed TNF-α- and palmitic acid-induced NF-κB activation, leading to the suppression of VCAM-1 upregulation and restoration of eNOS downregulation in ECs. As for endogenous SNCA expression, replicative senescence resulted in the attenuation of SNCA expression in cultured ECs, similar to the effects of physiological aging on mice aortas. The siRNA-mediated silencing of SNCA consistently resulted in senescent phenotypes, such as eNOS downregulation, increased β-gal activity, decreased Sirt1 expression, and increased p53 expression, in ECs. Ex vivo assessment of endothelial functions using aortic rings revealed impaired endothelium-dependent acetylcholine-induced relaxation in SNCA knockout (KO) mice. Furthermore, SNCA KO mice, especially those on a high-fat diet, displayed elevated blood pressure compared with wild-type mice; this could be eNOS dysfunction-dependent because of the lower difference caused by L-NAME administration. These results indicate that exogenous and endogenous SNCA in ECs might physiologically maintain vascular integrity, and age-related endothelial dysfunction might be partially ascribed to loss-of-function of SNCA in ECs.
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Affiliation(s)
- Yoichi Takami
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Cheng Wang
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hironori Nakagami
- Department of Health Development and Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Koichi Yamamoto
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoichi Nozato
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yuki Imaizumi
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Motonori Nagasawa
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hikari Takeshita
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tsuneo Nakajima
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shuko Takeda
- Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Osaka, Japan.,Osaka Psychiatric Research Center, Osaka Psychiatric Medical Center, Osaka, Japan
| | - Yasushi Takeya
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yasufumi Kaneda
- Division of Gene Therapy Science, Department of Genome Biology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hiromi Rakugi
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
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63
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Chan GHH, Chan E, Kwok CTK, Leung GPH, Lee SMY, Seto SW. The role of p53 in the alternation of vascular functions. Front Pharmacol 2022; 13:981152. [PMID: 36147350 PMCID: PMC9485942 DOI: 10.3389/fphar.2022.981152] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
Ageing is a risk factor for many degenerative diseases. Cardiovascular diseases (CVDs) are usually big burdens for elderly, caregivers and the health system. During the aging process, normal functions of vascular cells and tissue progressively lost and eventually develop vascular diseases. Endothelial dysfunction, reduced bioavailability of endothelium-derived nitric oxide are usual phenomena observed in patients with cardiovascular diseases. Myriad of studies have been done to investigate to delay the vascular dysfunction or improve the vascular function to prolong the aging process. Tumor suppressor gene p53, also a transcription factor, act as a gatekeeper to regulate a number of genes to maintain normal cell function including but not limited to cell proliferation, cell apoptosis. p53 also crosstalk with other key transcription factors like hypoxia-inducible factor 1 alpha that contribute to the progression of cardiovascular diseases. Therefore, in recent three decades, p53 has drawn scientists’ attention on its effects in vascular function. Though the role of tumor suppressor gene p53 is still not clear in vascular function, it is found to play regulatory roles and may involve in vascular remodeling, atherosclerosis or pulmonary hypertension. p53 may have a divergent role in endothelial and vascular muscle cells in those conditions. In this review, we describe the different effects of p53 in cardiovascular physiology. Further studies on the effects of endothelial cell-specific p53 deficiency on atherosclerotic plaque formation in common animal models are required before the therapeutic potential can be realized.
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Affiliation(s)
- Gabriel Hoi-Huen Chan
- Division of Science, Engineering and Health Studies, College of Professional and Continuing Education, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
| | - Enoch Chan
- School of Clinical Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Carsten Tsun-Ka Kwok
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
| | - George Pak-Heng Leung
- Department of Pharmacology and Pharmacy, The University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Simon Ming-Yuen Lee
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, China
| | - Sai-Wang Seto
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
- *Correspondence: Sai-Wang Seto,
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64
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Hwang HJ, Kim N, Herman AB, Gorospe M, Lee JS. Factors and Pathways Modulating Endothelial Cell Senescence in Vascular Aging. Int J Mol Sci 2022; 23:ijms231710135. [PMID: 36077539 PMCID: PMC9456027 DOI: 10.3390/ijms231710135] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
Aging causes a progressive decline in the structure and function of organs. With advancing age, an accumulation of senescent endothelial cells (ECs) contributes to the risk of developing vascular dysfunction and cardiovascular diseases, including hypertension, diabetes, atherosclerosis, and neurodegeneration. Senescent ECs undergo phenotypic changes that alter the pattern of expressed proteins, as well as their morphologies and functions, and have been linked to vascular impairments, such as aortic stiffness, enhanced inflammation, and dysregulated vascular tone. Numerous molecules and pathways, including sirtuins, Klotho, RAAS, IGFBP, NRF2, and mTOR, have been implicated in promoting EC senescence. This review summarizes the molecular players and signaling pathways driving EC senescence and identifies targets with possible therapeutic value in age-related vascular diseases.
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Affiliation(s)
- Hyun Jung Hwang
- Research Center for Controlling Intercellular Communication, College of Medicine, Inha University, Incheon 22212, Korea
- Department of Molecular Medicine, College of Medicine, Inha University, Incheon 22212, Korea
| | - Nayeon Kim
- Research Center for Controlling Intercellular Communication, College of Medicine, Inha University, Incheon 22212, Korea
- Department of Molecular Medicine, College of Medicine, Inha University, Incheon 22212, Korea
- Program in Biomedical Science and Engineering, College of Medicine, Inha University, Incheon 22212, Korea
| | - Allison B. Herman
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, NIH, Baltimore, MD 21224, USA
| | - Myriam Gorospe
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, NIH, Baltimore, MD 21224, USA
| | - Jae-Seon Lee
- Research Center for Controlling Intercellular Communication, College of Medicine, Inha University, Incheon 22212, Korea
- Department of Molecular Medicine, College of Medicine, Inha University, Incheon 22212, Korea
- Program in Biomedical Science and Engineering, College of Medicine, Inha University, Incheon 22212, Korea
- Correspondence:
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65
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Rojas GA, Saavedra N, Saavedra K, Hevia M, Morales C, Lanas F, Salazar LA. Polycyclic Aromatic Hydrocarbons (PAHs) Exposure Triggers Inflammation and Endothelial Dysfunction in BALB/c Mice: A Pilot Study. TOXICS 2022; 10:toxics10090497. [PMID: 36136462 PMCID: PMC9504903 DOI: 10.3390/toxics10090497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/18/2022] [Accepted: 08/23/2022] [Indexed: 05/19/2023]
Abstract
The particulate matter present in air pollution is a complex mixture of solid and liquid particles that vary in size, origin, and composition, among which are polycyclic aromatic hydrocarbons (PAHs). Although exposure to PAHs has become an important risk factor for cardiovascular disease, the mechanisms by which these compounds contribute to increased cardiovascular risk have not been fully explored. The aim of the present study was to evaluate the effects of PAH exposure on systemic pro-inflammatory cytokines and markers of endothelial dysfunction. An intervention was designed using a murine model composed of twenty BALB/c male mice separated into controls and three groups exposed to a mixture of phenanthrene, fluoranthene, and pyrene using three different concentrations. The serum levels of the inflammatory cytokines and gene expression of adhesion molecules located on endothelial cells along with inflammatory markers related to PAH exposure in aortic tissue were determined. Furthermore, the expression of the ICAM-1 and VCAM-1 proteins was evaluated. The data showed significant differences in IL-6 and IFN-γ in the serum. In the gene expression, significant differences for ICAM-1, VCAM-1, and E-Selectin were observed. The results suggest that phenanthrene, fluoranthene, and pyrene, present in air pollution, stimulate the increase in serum inflammatory cytokines and the expression of markers of endothelial dysfunction in the murine model studied, both relevant characteristics associated with the onset of disease atherosclerosis and cardiovascular disease.
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Affiliation(s)
- Gabriel A. Rojas
- Center of Molecular Biology & Pharmacogenetics, Department of Basic Sciences, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
- Faculty of Health, School of Kinesiology, Universidad Santo Tomás, Valdivia 5090000, Chile
| | - Nicolás Saavedra
- Center of Molecular Biology & Pharmacogenetics, Department of Basic Sciences, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Kathleen Saavedra
- Center of Molecular Biology & Pharmacogenetics, Department of Basic Sciences, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Montserrat Hevia
- Center of Molecular Biology & Pharmacogenetics, Department of Basic Sciences, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Cristian Morales
- Center of Molecular Biology & Pharmacogenetics, Department of Basic Sciences, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Fernando Lanas
- Department of Internal Medicine, Faculty of Medicine, Universidad de La Frontera, Temuco 4811230, Chile
| | - Luis A. Salazar
- Center of Molecular Biology & Pharmacogenetics, Department of Basic Sciences, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
- Correspondence:
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66
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Hassan JW, Bhatwadekar AD. Senolytics in the treatment of diabetic retinopathy. Front Pharmacol 2022; 13:896907. [PMID: 36091769 PMCID: PMC9462063 DOI: 10.3389/fphar.2022.896907] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 07/28/2022] [Indexed: 12/21/2022] Open
Abstract
Diabetic retinopathy (DR) is the most common complication of diabetes. DR is characterized by damage to retinal vasculature resulting in vision impairment and, if untreated, could eventually lead to blindness. The pathogenic mechanism of DR is complex; emerging studies suggest that premature senescence of retinal cells and subsequent secretion of inflammatory cytokines exacerbate DR disease state by stimulating paracrine senescence, pathological angiogenesis, and reparative vascular regeneration. Senolytics are a new class of drugs that can selectively clear out senescent cells from the retina, thus holding a significant promise in DR treatment and prevention. In this review, we discuss the critical role of cellular senescence in DR’s pathogenesis; A literature review was conducted in September of 2021 to explore the therapeutic potential of senolytics in the treatment of DR. Studies that were relevant to the research topic were selected through multiple keyword searches in the search engine, PubMed and thoroughly reviewed using abstracts and full-text articles. We present evidence from animal models for studying cellular senescence in DR and discuss multiple pathogenic mechanisms in cellular senescence and its involvement in DR. We also discuss the current state of pharmaceutical development at preclinical and clinical stages focusing on the senolytic drugs navitoclax, 17-DMAG, piperlongumine, UBX-1325, dasatinib quercetin, and fisetin. In particular, UBX-1325 holds a promising prospect for DR treatment based on the positive outcome of early clinical studies in individuals with diabetic macular edema (DME) and wet age-related macular degeneration.
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67
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Lefferts WK, Davis MM, Valentine RJ. Exercise as an Aging Mimetic: A New Perspective on the Mechanisms Behind Exercise as Preventive Medicine Against Age-Related Chronic Disease. Front Physiol 2022; 13:866792. [PMID: 36045751 PMCID: PMC9420936 DOI: 10.3389/fphys.2022.866792] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 06/06/2022] [Indexed: 11/29/2022] Open
Abstract
Age-related chronic diseases are among the most common causes of mortality and account for a majority of global disease burden. Preventative lifestyle behaviors, such as regular exercise, play a critical role in attenuating chronic disease burden. However, the exact mechanism behind exercise as a form of preventative medicine remains poorly defined. Interestingly, many of the physiological responses to exercise are comparable to aging. This paper explores an overarching hypothesis that exercise protects against aging/age-related chronic disease because the physiological stress of exercise mimics aging. Acute exercise transiently disrupts cardiovascular, musculoskeletal, and brain function and triggers a substantial inflammatory response in a manner that mimics aging/age-related chronic disease. Data indicate that select acute exercise responses may be similar in magnitude to changes seen with +10–50 years of aging. The initial insult of the age-mimicking effects of exercise induces beneficial adaptations that serve to attenuate disruption to successive “aging” stimuli (i.e., exercise). Ultimately, these exercise-induced adaptations reduce the subsequent physiological stress incurred from aging and protect against age-related chronic disease. To further examine this hypothesis, future work should more intricately describe the physiological signature of different types/intensities of acute exercise in order to better predict the subsequent adaptation and chronic disease prevention with exercise training in healthy and at-risk populations.
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68
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Akrivou D, Perlepe G, Kirgou P, Gourgoulianis KI, Malli F. Pathophysiological Aspects of Aging in Venous Thromboembolism: An Update. Medicina (B Aires) 2022; 58:medicina58081078. [PMID: 36013544 PMCID: PMC9415158 DOI: 10.3390/medicina58081078] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/03/2022] [Accepted: 08/07/2022] [Indexed: 11/16/2022] Open
Abstract
The aim of this review is to highlight all the factors that associate venous thromboembolism (VTE) with aging. Elderly people are characterized by a higher incidence of thrombosis taking into account the co-existing comorbidities, complications and fatality that arise. Based on the Virchow triad, pathophysiological aspects of venous stasis, endothelium injury and hypercoagulability in elderly people (≥65 years) are described in detail. More precisely, venous wall structure, nitric oxide (NO) and endothelin-1 expression are impaired in this age group. Furthermore, an increase in high-molecular-weight kininogen (HMWK), prekallikrein, factors V, VII, VIII, IX and XI, clot lysis time (CLT) and von Willebrand factor (vWF) is observed. Age-dependent platelet dysfunction and changes in anticoagulant factors are also illustrated. A “low-grade inflammation stage” is delineated as a possible risk factor for thrombosis in the elderly. Consequently, clinical implications for frail elderly people related to diagnosis, treatment, bleeding danger and VTE recurrence emerge. We conclude that aging is an acquired thrombotic factor closely related to pathophysiological changes.
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Affiliation(s)
- Dimitra Akrivou
- Respiratory Medicine Department, Faculty of Medicine, University of Thessaly, 41300 Larissa, Greece
| | - Garifallia Perlepe
- Respiratory Medicine Department, Faculty of Medicine, University of Thessaly, 41300 Larissa, Greece
| | - Paraskevi Kirgou
- Respiratory Medicine Department, Faculty of Medicine, University of Thessaly, 41300 Larissa, Greece
| | | | - Foteini Malli
- Respiratory Medicine Department, Faculty of Medicine, University of Thessaly, 41300 Larissa, Greece
- Respiratory Disorders Lab, Faculty of Nursing, University of Thessaly, 41300 Larissa, Greece
- Respiratory Medicine Department, University Hospital of Larissa, 41223 Larissa, Greece
- Correspondence: ; Tel.: +30-2410684612
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69
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Lee AY, Jang KH, Jo CH. Minimal Cube Explant Provides Optimal Isolation Condition of Mesenchymal Stem Cells from Umbilical Cord. Tissue Eng Regen Med 2022; 19:793-807. [PMID: 35325405 PMCID: PMC9294096 DOI: 10.1007/s13770-022-00440-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/28/2022] [Accepted: 02/02/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Enzymatic digestion and explant method have been widely used for isolating umbilical cord-derived mesenchymal stem cells (UC MSCs), although there is still a strong need for robust protocols for optimal isolation for large-scale stem cell banks. This study aims to establish an explant method for clinical scale production of MSCs from human UC tissue and to characterize UC MSCs isolated and cultured with the explant method. METHODS UC MSCs were isolated by enzymatic digestion, minimal cube explant (MCE) 1-2, MCE 2-4, and MCE 10 and cultured, respectively. Also, human antibody array and basic fibroblast growth factor (bFGF) secretion in conditioned medium (CM) was analyzed. The cells were evaluated initial cell number, colony forming unit-fibroblast (CFU-F), proliferation capacity, CD marker expression, and multi-lineage differentiation. SA-β-gal assay as well as expression of p16, p21 and p53 was performed by RT-PCR. RESULTS MCE 2-4 is the most optimized method for isolation of small umbilical cord-derived fast proliferating cells (smumf cells) with the greatest number. MCE 2-4 had the highest secretion of various bioactive factors including bFGF. The MCE 2-4 provided significantly higher CD146 expression than enzymatic digestion, and that expression was maintained until P20. The gene expression of p16, p21, and p53 of smumf cells did not change until P10 and SA-β-gal activity did not increase until P14. CONCLUSION This study demonstrated that MCE 2-4 provided an optimal environment to isolate MSCs with quantity and quality from human whole UC tissue through secretion of various bioactive factors inherent to UC.
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Affiliation(s)
- Ah-Young Lee
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Korea
| | - Kwi-Hoon Jang
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Korea
| | - Chris Hyunchul Jo
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Korea.
- Department of Translational Medicine, Seoul National University College of Medicine, 103 Daehak-ro, Jongno-gu, Seoul, 03080, Korea.
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70
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Schnellmann R, Ntekoumes D, Choudhury MI, Sun S, Wei Z, Gerecht S. Stiffening Matrix Induces Age-Mediated Microvascular Phenotype Through Increased Cell Contractility and Destabilization of Adherens Junctions. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201483. [PMID: 35657074 PMCID: PMC9353494 DOI: 10.1002/advs.202201483] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/02/2022] [Indexed: 06/04/2023]
Abstract
Aging is a major risk factor in microvascular dysfunction and disease development, but the underlying mechanism remains largely unknown. As a result, age-mediated changes in the mechanical properties of tissue collagen have gained interest as drivers of endothelial cell (EC) dysfunction. 3D culture models that mimic age-mediated changes in the microvasculature can facilitate mechanistic understanding. A fibrillar hydrogel capable of changing its stiffness after forming microvascular networks is established. This hydrogel model is used to form vascular networks from induced pluripotent stem cells under soft conditions that mimic young tissue mechanics. Then matrix stiffness is gradually increased, thus exposing the vascular networks to the aging-mimicry process in vitro. It is found that upon dynamic matrix stiffening, EC contractility is increased, resulting in the activation of focal adhesion kinase and subsequent dissociation of β-catenin from VE-Cadherin mediated adherens junctions, leading to the abruption of the vascular networks. Inhibiting cell contractility impedes the dissociation of β-catenin, thereby preventing the deconstruction of adherens junctions, thus partially rescuing the age-mediated vascular phenotype. The findings provide the first direct evidence of matrix's dynamic mechano-changes in compromising microvasculature with aging and highlight the importance of hydrogel systems to study tissue-level changes with aging in basic and translational studies.
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Affiliation(s)
- Rahel Schnellmann
- Department of Chemical and Biomolecular EngineeringJohns Hopkins UniversityBaltimoreMD 21218USA
- The Institute for NanoBioTechnologyPhysical Sciences‐Oncology CenterJohns Hopkins UniversityBaltimoreMD 21218USA
| | - Dimitris Ntekoumes
- Department of Chemical and Biomolecular EngineeringJohns Hopkins UniversityBaltimoreMD 21218USA
- The Institute for NanoBioTechnologyPhysical Sciences‐Oncology CenterJohns Hopkins UniversityBaltimoreMD 21218USA
- Department of Biomedical EngineeringDuke UniversityDurhamNC 27708USA
| | - Mohammad Ikbal Choudhury
- The Institute for NanoBioTechnologyPhysical Sciences‐Oncology CenterJohns Hopkins UniversityBaltimoreMD 21218USA
- Department of Mechanical EngineeringJohns Hopkins UniversityBaltimoreMD 21218USA
| | - Sean Sun
- The Institute for NanoBioTechnologyPhysical Sciences‐Oncology CenterJohns Hopkins UniversityBaltimoreMD 21218USA
- Department of Mechanical EngineeringJohns Hopkins UniversityBaltimoreMD 21218USA
| | - Zhao Wei
- Department of Chemical and Biomolecular EngineeringJohns Hopkins UniversityBaltimoreMD 21218USA
- The Institute for NanoBioTechnologyPhysical Sciences‐Oncology CenterJohns Hopkins UniversityBaltimoreMD 21218USA
| | - Sharon Gerecht
- Department of Chemical and Biomolecular EngineeringJohns Hopkins UniversityBaltimoreMD 21218USA
- The Institute for NanoBioTechnologyPhysical Sciences‐Oncology CenterJohns Hopkins UniversityBaltimoreMD 21218USA
- Department of Materials Science and EngineeringJohns Hopkins UniversityBaltimoreMD 21218USA
- Department of Biomedical EngineeringJohns Hopkins UniversityBaltimoreMD 21218USA
- Department of Biomedical EngineeringDuke UniversityDurhamNC 27708USA
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Clayton ZS, Craighead DH, Darvish S, Coppock M, Ludwig KR, Brunt VE, Seals DR, Rossman MJ. Promoting healthy cardiovascular aging: emerging topics. THE JOURNAL OF CARDIOVASCULAR AGING 2022; 2:43. [PMID: 36337728 PMCID: PMC9632540 DOI: 10.20517/jca.2022.27] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The development of age-related cardiovascular (CV) dysfunction increases the risk of CV disease as well as other chronic age-associated disorders, including chronic kidney disease, and Alzheimer's disease and related dementias. Major manifestations of age-associated CV dysfunction that increase disease risk are vascular dysfunction, primarily vascular endothelial dysfunction and arterial stiffening, and elevated systolic blood pressure. Declines in nitric oxide bioavailability secondary to increased oxidative stress and inflammation are established mechanisms of CV dysfunction with aging. Moreover, fundamental mechanisms of aging, termed the "hallmarks of aging" extend to the CV system and, as such, may be considered "hallmarks of CV aging". These mechanisms represent viable therapeutic targets for treating CV dysfunction with aging. Healthy lifestyle behaviors, such as regular aerobic exercise and certain dietary patterns, are considered "first-line" strategies to prevent and/or treat age-associated CV dysfunction. Despite the well-established benefits of these strategies, many older adults do not meet the recommended guidelines for exercise or consume a healthy diet. Therefore, it is important to establish alternative and/or complementary evidence-based approaches to prevent or reverse age-related CV dysfunction. Targeting fundamental mechanisms of CV aging with interventions such as time-efficient exercise training, food-derived molecules, termed nutraceuticals, or select synthetic pharmacological agents represents a promising approach. In the present review, we will highlight emerging topics in the field of healthy CV aging with a specific focus on how exercise, nutrition/dietary patterns, nutraceuticals and select synthetic pharmacological compounds may promote healthy CV aging, in part, by targeting the hallmarks of CV aging.
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Affiliation(s)
- Zachary S Clayton
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Daniel H Craighead
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Sanna Darvish
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - McKinley Coppock
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Katelyn R Ludwig
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Vienna E Brunt
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Douglas R Seals
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Matthew J Rossman
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA
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Janssen EBNJ, Hooijschuur MCE, Lopes van Balen VA, Morina-Shijaku E, Spaan JJ, Mulder EG, Hoeks AP, Reesink KD, van Kuijk SMJ, van't Hof A, van Bussel BCT, Spaanderman MEA, Ghossein-Doha C. No accelerated arterial aging in relatively young women after preeclampsia as compared to normotensive pregnancy. Front Cardiovasc Med 2022; 9:911603. [PMID: 35966519 PMCID: PMC9371444 DOI: 10.3389/fcvm.2022.911603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 06/27/2022] [Indexed: 11/16/2022] Open
Abstract
Introduction Preeclampsia, an endothelial disorder of pregnancy, predisposes to remote cardiovascular diseases (CVD). Whether there is an accelerated effect of aging on endothelial decline in former preeclamptic women is unknown. We investigated if the arterial aging regarding endothelial-dependent and -independent vascular function is more pronounced in women with a history of preeclampsia as compared to women with a history of solely normotensive gestation(s). Methods Data was used from the Queen of Hearts study (ClinicalTrials.gov Identifier NCT02347540); a large cross-sectional study on early detection of cardiovascular disease among young women (≥18 years) with a history of preeclampsia and a control group of low-risk healthy women with a history of uncomplicated pregnancies. Brachial artery flow-mediated dilation (FMD; absolute, relative and allometric) and sublingually administered nitroglycerine-mediated dilation (NGMD; absolute and relative) were measured using ultrasound. Cross-sectional associations of age with FMD and NGMD were investigated by linear regression. Models were adjusted for body mass index, smoking, antihypertensive drug use, mean arterial pressure, fasting glucose, menopausal state, family history of CVD and stress stimulus during measurement. Effect modification by preeclampsia was investigated by including an interaction term between preeclampsia and age in regression models. Results Of the 1,217 included women (age range 22–62 years), 66.0% had a history of preeclampsia and 34.0% of normotensive pregnancy. Advancing age was associated with a decrease in relative FMD and NGMD (unadjusted regression coefficient: FMD: −0.48%/10 years (95% CI:−0.65 to −0.30%/10 years), NGMD: −1.13%/10 years (−1.49 to −0.77%/10 years)) and increase in brachial artery diameter [regression coefficient = 0.16 mm/10 years (95% CI 0.13 to 0.19 mm/10 years)]. Similar results were found when evaluating FMD and NGMD as absolute increase or allometrically, and after confounder adjustments. These age-related change were comparable in former preeclamptic women and controls (p-values interaction ≥0.372). Preeclampsia itself was independently associated with consistently smaller brachial artery diameter, but not with FMD and NGMD. Conclusion In young- to middle-aged women, vascular aging in terms of FMD and NGMD was not accelerated in women after preeclampsia compared to normotensive pregnancies, even though former preeclamptic women consistently have smaller brachial arteries.
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Affiliation(s)
- Emma B. N. J. Janssen
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+ (MUMC+), Maastricht, Netherlands
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands
- *Correspondence: Emma B. N. J. Janssen
| | - Mieke C. E. Hooijschuur
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+ (MUMC+), Maastricht, Netherlands
| | - Veronica A. Lopes van Balen
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+ (MUMC+), Maastricht, Netherlands
| | - Erjona Morina-Shijaku
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+ (MUMC+), Maastricht, Netherlands
| | - Julia. J. Spaan
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+ (MUMC+), Maastricht, Netherlands
| | - Eva G. Mulder
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+ (MUMC+), Maastricht, Netherlands
| | - Arnold P. Hoeks
- Department of Biomedical Engineering, MUMC+, Maastricht, Netherlands
| | - Koen D. Reesink
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands
- Department of Biomedical Engineering, MUMC+, Maastricht, Netherlands
| | - Sander M. J. van Kuijk
- Department of Clinical Epidemiology and Medical Technology Assessment, MUMC+, Maastricht, Netherlands
| | - Arnoud van't Hof
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands
- Department of Cardiology, MUMC+, Maastricht, Netherlands
- Department of Cardiology, Zuyderland Medical Centre, Heerlen, Netherlands
| | - Bas C. T. van Bussel
- Department of Intensive Care Medicine, MUMC+, Maastricht, Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, Netherlands
| | - Marc E. A. Spaanderman
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+ (MUMC+), Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Chahinda Ghossein-Doha
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+ (MUMC+), Maastricht, Netherlands
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands
- Department of Cardiology, MUMC+, Maastricht, Netherlands
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Hetzer MW, Bersini S. Beyond Static Pipes: Mechanisms and In Vitro Models of Vascular Aging. Cold Spring Harb Perspect Med 2022; 12:a041180. [PMID: 35101902 PMCID: PMC9310951 DOI: 10.1101/cshperspect.a041180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The vascular system is a key player for the maintenance of healthy tissues, suggesting how the physiological decline of blood vessel functionality during aging could be a major contributor of organ degeneration. While basic research studies have begun to pinpoint potential mechanisms of vascular aging, it is now critical to translate them into therapeutically relevant options. Microphysiological systems represent a powerful tool to precisely control which combinations of stimuli are provided to in vitro reconstructed blood vessels and to analyze their functional consequences. After highlighting key aspects of vascular aging, this review discusses in vitro models that are able to recapitulate relevant features of blood vessel damage during aging. Strategies to improve current in vitro systems so that they will more faithfully recapitulate vascular aging are proposed, emphasizing the importance of combining in vivo models with microphysiological systems for an effective translation of vascular aging biomarkers and therapies to the clinical level.
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Affiliation(s)
- Martin W Hetzer
- Molecular and Cell Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037, USA
| | - Simone Bersini
- Regenerative Medicine Technologies Laboratory, Ente Ospedaliero Cantonale, 6900 Lugano, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, 6900 Lugano, Switzerland
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74
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Jiang H, Li L, Zhang L, Zang G, Sun Z, Wang Z. Role of endothelial cells in vascular calcification. Front Cardiovasc Med 2022; 9:895005. [PMID: 35928939 PMCID: PMC9343736 DOI: 10.3389/fcvm.2022.895005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Vascular calcification (VC) is active and regulates extraosseous ossification progress, which is an independent predictor of cardiovascular disease (CVD) morbidity and mortality. Endothelial cells (ECs) line the innermost layer of blood vessels and directly respond to changes in flow shear stress and blood composition. Together with vascular smooth muscle cells, ECs maintain vascular homeostasis. Increased evidence shows that ECs have irreplaceable roles in VC due to their high plasticity. Endothelial progenitor cells, oxidative stress, inflammation, autocrine and paracrine functions, mechanotransduction, endothelial-to-mesenchymal transition (EndMT), and other factors prompt ECs to participate in VC. EndMT is a dedifferentiation process by which ECs lose their cell lineage and acquire other cell lineages; this progress coexists in both embryonic development and CVD. EndMT is regulated by several signaling molecules and transcription factors and ultimately mediates VC via osteogenic differentiation. The specific molecular mechanism of EndMT remains unclear. Can EndMT be reversed to treat VC? To address this and other questions, this study reviews the pathogenesis and research progress of VC, expounds the role of ECs in VC, and focuses on the regulatory factors underlying EndMT, with a view to providing new concepts for VC prevention and treatment.
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Affiliation(s)
- Han Jiang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lihua Li
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lili Zhang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Guangyao Zang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhen Sun
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhongqun Wang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
- *Correspondence: Zhongqun Wang,
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Dela Justina V, Miguez JSG, Priviero F, Sullivan JC, Giachini FR, Webb RC. Sex Differences in Molecular Mechanisms of Cardiovascular Aging. FRONTIERS IN AGING 2022; 2:725884. [PMID: 35822017 PMCID: PMC9261391 DOI: 10.3389/fragi.2021.725884] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/25/2021] [Indexed: 12/12/2022]
Abstract
Cardiovascular disease (CVD) is still the leading cause of illness and death in the Western world. Cardiovascular aging is a progressive modification occurring in cardiac and vascular morphology and physiology where increased endothelial dysfunction and arterial stiffness are observed, generally accompanied by increased systolic blood pressure and augmented pulse pressure. The effects of biological sex on cardiovascular pathophysiology have long been known. The incidence of hypertension is higher in men, and it increases in postmenopausal women. Premenopausal women are protected from CVD compared with age-matched men and this protective effect is lost with menopause, suggesting that sex-hormones influence blood pressure regulation. In parallel, the heart progressively remodels over the course of life and the pattern of cardiac remodeling also differs between the sexes. Lower autonomic tone, reduced baroreceptor response, and greater vascular function are observed in premenopausal women than men of similar age. However, postmenopausal women have stiffer arteries than their male counterparts. The biological mechanisms responsible for sex-related differences observed in cardiovascular aging are being unraveled over the last several decades. This review focuses on molecular mechanisms underlying the sex-differences of CVD in aging.
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Affiliation(s)
- Vanessa Dela Justina
- Graduate Program in Biological Sciences, Federal University of Goiás, Goiânia, Brazil
| | | | - Fernanda Priviero
- Cardiovascular Translational Research Center, University of South Carolina, Columbia, SC, United States
| | - Jennifer C Sullivan
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, GA, United States
| | - Fernanda R Giachini
- Graduate Program in Biological Sciences, Federal University of Goiás, Goiânia, Brazil.,Institute of Biological Sciences and Health, Federal University of Mato Grosso, Barra do Garças, Brazil
| | - R Clinton Webb
- Cardiovascular Translational Research Center, University of South Carolina, Columbia, SC, United States
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Xu H, Li S, Liu YS. Nanoparticles in the diagnosis and treatment of vascular aging and related diseases. Signal Transduct Target Ther 2022; 7:231. [PMID: 35817770 PMCID: PMC9272665 DOI: 10.1038/s41392-022-01082-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 06/23/2022] [Accepted: 06/26/2022] [Indexed: 11/09/2022] Open
Abstract
Aging-induced alternations of vasculature structures, phenotypes, and functions are key in the occurrence and development of vascular aging-related diseases. Multiple molecular and cellular events, such as oxidative stress, mitochondrial dysfunction, vascular inflammation, cellular senescence, and epigenetic alterations are highly associated with vascular aging physiopathology. Advances in nanoparticles and nanotechnology, which can realize sensitive diagnostic modalities, efficient medical treatment, and better prognosis as well as less adverse effects on non-target tissues, provide an amazing window in the field of vascular aging and related diseases. Throughout this review, we presented current knowledge on classification of nanoparticles and the relationship between vascular aging and related diseases. Importantly, we comprehensively summarized the potential of nanoparticles-based diagnostic and therapeutic techniques in vascular aging and related diseases, including cardiovascular diseases, cerebrovascular diseases, as well as chronic kidney diseases, and discussed the advantages and limitations of their clinical applications.
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Affiliation(s)
- Hui Xu
- Department of Geriatrics, The Second Xiangya Hospital of Central South University, 410011, Changsha, Hunan, China.,Institute of Aging and Age-related Disease Research, Central South University, 410011, Changsha, Hunan, China
| | - Shuang Li
- Department of Geriatrics, The Second Xiangya Hospital of Central South University, 410011, Changsha, Hunan, China.,Institute of Aging and Age-related Disease Research, Central South University, 410011, Changsha, Hunan, China
| | - You-Shuo Liu
- Department of Geriatrics, The Second Xiangya Hospital of Central South University, 410011, Changsha, Hunan, China. .,Institute of Aging and Age-related Disease Research, Central South University, 410011, Changsha, Hunan, China.
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Dong Y, Wu X, Han L, Bian J, He C, El-Omar E, Gong L, Wang M. The Potential Roles of Dietary Anthocyanins in Inhibiting Vascular Endothelial Cell Senescence and Preventing Cardiovascular Diseases. Nutrients 2022; 14:nu14142836. [PMID: 35889793 PMCID: PMC9316990 DOI: 10.3390/nu14142836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/08/2022] [Accepted: 07/08/2022] [Indexed: 12/31/2022] Open
Abstract
Cardiovascular disease (CVD) is a group of diseases affecting the heart and blood vessels and is the leading cause of morbidity and mortality worldwide. Increasingly more evidence has shown that the senescence of vascular endothelial cells is the key to endothelial dysfunction and cardiovascular diseases. Anthocyanin is a type of water-soluble polyphenol pigment and secondary metabolite of plant-based food widely existing in fruits and vegetables. The gut microbiome is involved in the metabolism of anthocyanins and mediates the biological activities of anthocyanins and their metabolites, while anthocyanins also regulate the growth of specific bacteria in the microbiota and promote the proliferation of healthy anaerobic flora. Accumulating studies have shown that anthocyanins have antioxidant, anti-inflammatory, and anti-aging effects. Many animal and in vitro experiments have also proven that anthocyanins have protective effects on cardiovascular-disease-related dysfunction. However, the molecular mechanism of anthocyanin in eliminating aging endothelial cells and preventing cardiovascular diseases is very complex and is not fully understood. In this systematic review, we summarize the metabolism and activities of anthocyanins, as well as their effects on scavenging senescent cells and cardioprotection.
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Affiliation(s)
- Yonghui Dong
- College of Food Science and Engineering, Northwest A&F University, Xianyang 712100, China; (Y.D.); (X.W.); (L.H.); (C.H.)
| | - Xue Wu
- College of Food Science and Engineering, Northwest A&F University, Xianyang 712100, China; (Y.D.); (X.W.); (L.H.); (C.H.)
| | - Lin Han
- College of Food Science and Engineering, Northwest A&F University, Xianyang 712100, China; (Y.D.); (X.W.); (L.H.); (C.H.)
| | - Ji Bian
- Kolling Institute, Sydney Medical School, Royal North Shore Hospital, University of Sydney, St. Leonards, NSW 2065, Australia;
| | - Caian He
- College of Food Science and Engineering, Northwest A&F University, Xianyang 712100, China; (Y.D.); (X.W.); (L.H.); (C.H.)
| | - Emad El-Omar
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2052, Australia;
| | - Lan Gong
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2052, Australia;
- Correspondence: (L.G.); (M.W.)
| | - Min Wang
- College of Food Science and Engineering, Northwest A&F University, Xianyang 712100, China; (Y.D.); (X.W.); (L.H.); (C.H.)
- Correspondence: (L.G.); (M.W.)
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Dapagliflozin improves endothelial cell dysfunction by regulating mitochondrial production via the SIRT1/PGC-1α pathway in obese mice. Biochem Biophys Res Commun 2022; 615:123-130. [DOI: 10.1016/j.bbrc.2022.05.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/07/2022] [Indexed: 02/07/2023]
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Del Cuore A, Pacinella G, Riolo R, Tuttolomondo A. The Role of Immunosenescence in Cerebral Small Vessel Disease: A Review. Int J Mol Sci 2022; 23:ijms23137136. [PMID: 35806140 PMCID: PMC9266569 DOI: 10.3390/ijms23137136] [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: 05/14/2022] [Revised: 06/20/2022] [Accepted: 06/24/2022] [Indexed: 11/16/2022] Open
Abstract
Cerebral small vessel disease (CSVD) is one of the most important causes of vascular dementia. Immunosenescence and inflammatory response, with the involvement of the cerebrovascular system, constitute the basis of this disease. Immunosenescence identifies a condition of deterioration of the immune organs and consequent dysregulation of the immune response caused by cellular senescence, which exposes older adults to a greater vulnerability. A low-grade chronic inflammation status also accompanies it without overt infections, an “inflammaging” condition. The correlation between immunosenescence and inflammaging is fundamental in understanding the pathogenesis of age-related CSVD (ArCSVD). The production of inflammatory mediators caused by inflammaging promotes cellular senescence and the decrease of the adaptive immune response. Vice versa, the depletion of the adaptive immune mechanisms favours the stimulation of the innate immune system and the production of inflammatory mediators leading to inflammaging. Furthermore, endothelial dysfunction, chronic inflammation promoted by senescent innate immune cells, oxidative stress and impairment of microglia functions constitute, therefore, the framework within which small vessel disease develops: it is a concatenation of molecular events that promotes the decline of the central nervous system and cognitive functions slowly and progressively. Because the causative molecular mechanisms have not yet been fully elucidated, the road of scientific research is stretched in this direction, seeking to discover other aberrant processes and ensure therapeutic tools able to enhance the life expectancy of people affected by ArCSVD. Although the concept of CSVD is broader, this manuscript focuses on describing the neurobiological basis and immune system alterations behind cerebral aging. Furthermore, the purpose of our work is to detect patients with CSVD at an early stage, through the evaluation of precocious MRI changes and serum markers of inflammation, to treat untimely risk factors that influence the burden and the worsening of the cerebral disease.
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Affiliation(s)
- Alessandro Del Cuore
- Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialised Medicine (PROMISE) G. D’Alessandro, University of Palermo, 90133 Palermo, Italy; (G.P.); (R.R.); (A.T.)
- Internal Medicine and Stroke Care Ward, Policlinico “P. Giaccone”, 90127 Palermo, Italy
- Correspondence: ; Tel.: +39-091-655-2197
| | - Gaetano Pacinella
- Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialised Medicine (PROMISE) G. D’Alessandro, University of Palermo, 90133 Palermo, Italy; (G.P.); (R.R.); (A.T.)
- Internal Medicine and Stroke Care Ward, Policlinico “P. Giaccone”, 90127 Palermo, Italy
| | - Renata Riolo
- Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialised Medicine (PROMISE) G. D’Alessandro, University of Palermo, 90133 Palermo, Italy; (G.P.); (R.R.); (A.T.)
- Internal Medicine and Stroke Care Ward, Policlinico “P. Giaccone”, 90127 Palermo, Italy
| | - Antonino Tuttolomondo
- Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialised Medicine (PROMISE) G. D’Alessandro, University of Palermo, 90133 Palermo, Italy; (G.P.); (R.R.); (A.T.)
- Internal Medicine and Stroke Care Ward, Policlinico “P. Giaccone”, 90127 Palermo, Italy
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Martín Giménez VM, de las Heras N, Lahera V, Tresguerres JAF, Reiter RJ, Manucha W. Melatonin as an Anti-Aging Therapy for Age-Related Cardiovascular and Neurodegenerative Diseases. Front Aging Neurosci 2022; 14:888292. [PMID: 35721030 PMCID: PMC9204094 DOI: 10.3389/fnagi.2022.888292] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 04/25/2022] [Indexed: 12/15/2022] Open
Abstract
The concept of “aging” is defined as the set of gradual and progressive changes in an organism that leads to an increased risk of weakness, disease, and death. This process may occur at the cellular and organ level, as well as in the entire organism of any living being. During aging, there is a decrease in biological functions and in the ability to adapt to metabolic stress. General effects of aging include mitochondrial, cellular, and organic dysfunction, immune impairment or inflammaging, oxidative stress, cognitive and cardiovascular alterations, among others. Therefore, one of the main harmful consequences of aging is the development and progression of multiple diseases related to these processes, especially at the cardiovascular and central nervous system levels. Both cardiovascular and neurodegenerative pathologies are highly disabling and, in many cases, lethal. In this context, melatonin, an endogenous compound naturally synthesized not only by the pineal gland but also by many cell types, may have a key role in the modulation of multiple mechanisms associated with aging. Additionally, this indoleamine is also a therapeutic agent, which may be administered exogenously with a high degree of safety. For this reason, melatonin could become an attractive and low-cost alternative for slowing the processes of aging and its associated diseases, including cardiovascular and neurodegenerative disorders.
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Affiliation(s)
- Virna Margarita Martín Giménez
- Instituto de Investigaciones en Ciencias Químicas, Facultad de Ciencias Químicas y Tecnológicas, Universidad Católica de Cuyo, San Juan, Argentina
| | - Natalia de las Heras
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense, Madrid, Spain
| | - Vicente Lahera
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense, Madrid, Spain
| | | | - Russel J. Reiter
- Department of Cell Systems and Anatomy, UT Health San Antonio Long School of Medicine, San Antonio, TX, United States
| | - Walter Manucha
- Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Mendoza, Argentina
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Mendoza, Argentina
- *Correspondence: Walter Manucha ;
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Maity AK, Hu X, Zhu T, Teschendorff AE. Inference of age-associated transcription factor regulatory activity changes in single cells. NATURE AGING 2022; 2:548-561. [PMID: 37118452 DOI: 10.1038/s43587-022-00233-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 05/03/2022] [Indexed: 04/30/2023]
Abstract
Transcription factors (TFs) control cell identity and function. How their activity is altered during healthy aging is critical for an improved understanding of aging and disease risk, yet relatively little is known about such changes at cell-type resolution. Here we present and validate a TF activity estimation method for single cells from the hematopoietic system that is based on TF regulons, and apply it to a mouse single-cell RNA-sequencing atlas, to infer age-associated differentiation activity changes in the immune cells of different organs. This revealed an age-associated signature of macrophage dedifferentiation, which is shared across tissue types, and aggravated in tumor-associated macrophages. By extending the analysis to all major cell types, we reveal cell-type and tissue-type-independent age-associated alterations to regulatory factors controlling antigen processing, inflammation, collagen processing and circadian rhythm, that are implicated in age-related diseases. Finally, our study highlights the limitations of using TF expression to infer age-associated changes, underscoring the need to use regulatory activity inference methods.
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Affiliation(s)
- Alok K Maity
- CAS Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xue Hu
- CAS Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Tianyu Zhu
- CAS Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Andrew E Teschendorff
- CAS Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.
- UCL Cancer Institute, Paul O'Gorman Building, University College London, London, UK.
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82
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Shiwakoti S, Ko JY, Gong D, Dhakal B, Lee JH, Adhikari R, Gwak Y, Park SH, Jun Choi I, Schini-Kerth VB, Kang KW, Oak MH. Effects of polystyrene nanoplastics on endothelium senescence and its underlying mechanism. ENVIRONMENT INTERNATIONAL 2022; 164:107248. [PMID: 35461096 DOI: 10.1016/j.envint.2022.107248] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/03/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Global plastic use has increased rapidly, and environmental pollution associated with nanoplastics (NPs) has been a growing concern recently. However, the impact and biological mechanism of NPs on the cardiovascular system are not well characterized. This study aimed to assess the possibility that NPs exposure promotes premature endothelial cell (EC) senescence in porcine coronary artery ECs and, if so, to elucidate the underlying mechanism. Treatment of ECs with NPs promoted the acquisition of senescence markers, senescence-associated β-galactosidase activity, and p53, p21, and p16 protein expression, resulting in the inhibition of proliferation. In addition, NPs impaired endothelium-dependent vasorelaxation associated with decreased endothelial nitric oxide synthase (eNOS) expression. NPs enhanced reactive oxygen species formation in ECs, and increased oxidative stress levels were associated with the induction of NADPH oxidases expression, followed by the subsequent downregulation of Sirt1 expression. The characteristics of EC senescence and dysfunction caused by NPs are prevented by an antioxidant (N-acetylcysteine), an NADPH oxidase inhibitor (apocynin), and a Sirt1 activator (resveratrol). These findings indicate that NPs induced premature EC senescence, at least in part, through the redox-sensitive eNOS/Sirt1 signaling pathway. This study suggested the effects and underlying mechanism of NPs on the cardiovascular system, which may provide pharmacological targets to prevent NPs-associated cardiovascular diseases.
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Affiliation(s)
- Saugat Shiwakoti
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Ju-Young Ko
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Dalseong Gong
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea; Regenerative Nanomedicine, Faculty of Pharmacy, UMR 1260 INSERM (French National Institute of Health and Medical Research), University of Strasbourg, Strasbourg, France
| | - Bikalpa Dhakal
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Jeong-Hye Lee
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Radhika Adhikari
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Yeonhyang Gwak
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Sin-Hee Park
- Catholic Research Institute for Intractable Cardiovascular Disease (CRID), College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Ik Jun Choi
- Catholic Research Institute for Intractable Cardiovascular Disease (CRID), College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Valérie B Schini-Kerth
- Regenerative Nanomedicine, Faculty of Pharmacy, UMR 1260 INSERM (French National Institute of Health and Medical Research), University of Strasbourg, Strasbourg, France
| | - Ki-Woon Kang
- Division of Cardiology, Cardiovascular and Arrhythmia Center, Chung-Ang University, Seoul, Republic of Korea
| | - Min-Ho Oak
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea.
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83
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Kremer V, Stanicek L, van Ingen E, Bink DI, Hilderink S, Tijsen AJ, Wittig I, Mägdefessel L, Nossent AY, Boon RA. Long non-coding RNA MEG8 induces endothelial barrier through regulation of microRNA-370 and -494 processing. J Cell Sci 2022; 135:275515. [PMID: 35611612 PMCID: PMC9270956 DOI: 10.1242/jcs.259671] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 05/15/2022] [Indexed: 11/20/2022] Open
Abstract
The 14q32 locus is an imprinted region in the human genome which contains multiple non-coding RNAs. We investigated the role of Maternally Expressed Gene 8 (MEG8) in endothelial function and the underlying mechanism. A 5-fold increase in MEG8 was observed with increased passage number in Human Umbilical Vein Endothelial Cells, suggesting MEG8 is induced during aging. MEG8 knockdown resulted in a 1.8-fold increase in senescence, suggesting MEG8 might be protective during aging. Endothelial barrier was impaired after MEG8 silencing. MEG8 knockdown resulted in reduced expression of miRNA-370 and -494 but not -127, -487b and -410. Overexpression of miRNA-370/-494 partially rescued MEG8-silencing-induced barrier loss. Mechanistically, MEG8 regulates expression of miRNA-370 and -494 at the mature miRNA level through interaction with RNA binding proteins Cold Inducible RNA Binding Protein (CIRBP) and Hydroxyacyl-CoA Dehydrogenase Trifunctional Multi-enzyme Complex Subunit Beta (HADHB). Precursor and mature miRNA-370/-494 were shown to interact with HADHB and CIRBP respectively. CIRBP/HADHB silencing resulted in downregulation of miRNA-370 and induction of miRNA-494. These results suggest MEG8 interacts with CIRBP and HADHB and contributes to miRNA processing at the post-transcriptional level.
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Affiliation(s)
- Veerle Kremer
- Amsterdam UMC location Vrije Universiteit, Amsterdam, Department of Physiology, De Boelelaan 1117, Amsterdam, the Netherlands.,Amsterdam Cardiovascular Sciences, Microcirculation, Amsterdam, the Netherlands.,Amsterdam UMC location University of Amsterdam, Department of Medical Chemistry, Meibergdreef 9, Amsterdam, the Netherlands
| | - Laura Stanicek
- Amsterdam UMC location Vrije Universiteit, Amsterdam, Department of Physiology, De Boelelaan 1117, Amsterdam, the Netherlands.,Amsterdam Cardiovascular Sciences, Microcirculation, Amsterdam, the Netherlands.,German Center for Cardiovascular research (DZHK), partner site Munich Heart Alliance, Germany
| | - Eva van Ingen
- Department of Surgery and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, the Netherlands
| | - Diewertje I Bink
- Amsterdam UMC location Vrije Universiteit, Amsterdam, Department of Physiology, De Boelelaan 1117, Amsterdam, the Netherlands.,Amsterdam Cardiovascular Sciences, Microcirculation, Amsterdam, the Netherlands
| | - Sarah Hilderink
- Amsterdam UMC location Vrije Universiteit, Amsterdam, Department of Physiology, De Boelelaan 1117, Amsterdam, the Netherlands.,Amsterdam Cardiovascular Sciences, Microcirculation, Amsterdam, the Netherlands
| | - Anke J Tijsen
- Amsterdam Cardiovascular Sciences, Heart Failure & Arrhythmias, Amsterdam, the Netherlands.,Amsterdam UMC location University of Amsterdam, Department of Experimental Cardiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Ilka Wittig
- Functional Proteomics, SFB 815 Core Unit, Faculty of Medicine, Goethe University, Frankfurt am Main, Germany.,German Centre for Cardiovascular Research DZHK, Partner site Frankfurt Rhein/Main, Frankfurt am Main, Germany
| | - Lars Mägdefessel
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University of Munich, Germany.,Department of Medicine, Molecular Vascular Medicine Unit, Karolinska Institute, Stockholm, Sweden.,German Center for Cardiovascular research (DZHK), partner site Munich Heart Alliance, Germany
| | - Anne Yaël Nossent
- Department of Surgery and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, the Netherlands.,Departments of Laboratory Medicine and Internal Medicine II, Medical University of Vienna, Austria
| | - Reinier A Boon
- Amsterdam UMC location Vrije Universiteit, Amsterdam, Department of Physiology, De Boelelaan 1117, Amsterdam, the Netherlands.,Amsterdam Cardiovascular Sciences, Microcirculation, Amsterdam, the Netherlands.,Institute of Cardiovascular Regeneration, Goethe University, Frankfurt am Main, Germany.,German Centre for Cardiovascular Research DZHK, Partner site Frankfurt Rhein/Main, Frankfurt am Main, Germany
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84
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Xiang Q, Tian F, Xu J, Du X, Zhang S, Liu L. New insight into dyslipidemia‐induced cellular senescence in atherosclerosis. Biol Rev Camb Philos Soc 2022; 97:1844-1867. [PMID: 35569818 PMCID: PMC9541442 DOI: 10.1111/brv.12866] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 04/18/2022] [Accepted: 04/28/2022] [Indexed: 11/28/2022]
Abstract
Atherosclerosis, characterized by lipid‐rich plaques in the arterial wall, is an age‐related disorder and a leading cause of mortality worldwide. However, the specific mechanisms remain complex. Recently, emerging evidence has demonstrated that senescence of various types of cells, such as endothelial cells (ECs), vascular smooth muscle cells (VSMCs), macrophages, endothelial progenitor cells (EPCs), and adipose‐derived mesenchymal stem cells (AMSCs) contributes to atherosclerosis. Cellular senescence and atherosclerosis share various causative stimuli, in which dyslipidemia has attracted much attention. Dyslipidemia, mainly referred to elevated plasma levels of atherogenic lipids or lipoproteins, or functional impairment of anti‐atherogenic lipids or lipoproteins, plays a pivotal role both in cellular senescence and atherosclerosis. In this review, we summarize the current evidence for dyslipidemia‐induced cellular senescence during atherosclerosis, with a focus on low‐density lipoprotein (LDL) and its modifications, hydrolysate of triglyceride‐rich lipoproteins (TRLs), and high‐density lipoprotein (HDL), respectively. Furthermore, we describe the underlying mechanisms linking dyslipidemia‐induced cellular senescence and atherosclerosis. Finally, we discuss the senescence‐related therapeutic strategies for atherosclerosis, with special attention given to the anti‐atherosclerotic effects of promising geroprotectors as well as anti‐senescence effects of current lipid‐lowering drugs.
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Affiliation(s)
- Qunyan Xiang
- Department of Geriatrics, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
- Institute of Aging and Age‐related Disease Research Central South University Changsha Hunan 410011 PR China
| | - Feng Tian
- Department of Geriatric Cardiology The First Affiliated Hospital of Zhengzhou University Zhengzhou Henan 450000 PR China
| | - Jin Xu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
- Research Institute of Blood Lipid and Atherosclerosis Central South University Changsha Hunan 410011 PR China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province Changsha Hunan 410011 PR China
- Cardiovascular Disease Research Center of Hunan Province Changsha Hunan 410011 PR China
| | - Xiao Du
- Department of Cardiovascular Medicine, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
- Research Institute of Blood Lipid and Atherosclerosis Central South University Changsha Hunan 410011 PR China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province Changsha Hunan 410011 PR China
- Cardiovascular Disease Research Center of Hunan Province Changsha Hunan 410011 PR China
| | - Shilan Zhang
- Department of Gastroenterology, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
| | - Ling Liu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
- Research Institute of Blood Lipid and Atherosclerosis Central South University Changsha Hunan 410011 PR China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province Changsha Hunan 410011 PR China
- Cardiovascular Disease Research Center of Hunan Province Changsha Hunan 410011 PR China
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85
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Babini G, Baiocco G, Barbieri S, Morini J, Sangsuwan T, Haghdoost S, Yentrapalli R, Azimzadeh O, Rombouts C, Aerts A, Quintens R, Ebrahimian T, Benotmane MA, Ramadan R, Baatout S, Tapio S, Harms-Ringdahl M, Ottolenghi A. A systems radiation biology approach to unravel the role of chronic low-dose-rate gamma-irradiation in inducing premature senescence in endothelial cells. PLoS One 2022; 17:e0265281. [PMID: 35286349 PMCID: PMC8920222 DOI: 10.1371/journal.pone.0265281] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 02/24/2022] [Indexed: 12/13/2022] Open
Abstract
Purpose The aim of this study was to explore the effects of chronic low-dose-rate gamma-radiation at a multi-scale level. The specific objective was to obtain an overall view of the endothelial cell response, by integrating previously published data on different cellular endpoints and highlighting possible different mechanisms underpinning radiation-induced senescence. Materials and methods Different datasets were collected regarding experiments on human umbilical vein endothelial cells (HUVECs) which were chronically exposed to low dose rates (0, 1.4, 2.1 and 4.1 mGy/h) of gamma-rays until cell replication was arrested. Such exposed cells were analyzed for different complementary endpoints at distinct time points (up to several weeks), investigating cellular functions such as proliferation, senescence and angiogenic properties, as well as using transcriptomics and proteomics profiling. A mathematical model was proposed to describe proliferation and senescence. Results Simultaneous ceasing of cell proliferation and senescence onset as a function of time were well reproduced by the logistic growth curve, conveying shared equilibria between the two endpoints. The combination of all the different endpoints investigated highlighted a dose-dependence for prematurely induced senescence. However, the underpinning molecular mechanisms appeared to be dissimilar for the different dose rates, thus suggesting a more complex scenario. Conclusions This study was conducted integrating different datasets, focusing on their temporal dynamics, and using a systems biology approach. Results of our analysis highlight that different dose rates have different effects in inducing premature senescence, and that the total cumulative absorbed dose also plays an important role in accelerating endothelial cell senescence.
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Affiliation(s)
| | | | - Sofia Barbieri
- Physics Department, University of Pavia, Pavia, Italy
- Faculty of Medicine, Department of Cellular Physiology and Metabolism, University of Geneva, Geneva, Switzerland
| | - Jacopo Morini
- Physics Department, University of Pavia, Pavia, Italy
| | - Traimate Sangsuwan
- Department of Molecular Bioscience, Centre for Radiation Protection Research, Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Siamak Haghdoost
- Department of Molecular Bioscience, Centre for Radiation Protection Research, Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
- ARIA Laboratory, University of Caen Normandy, CIMAP-GANIL, 14076, Caen, France
| | - Ramesh Yentrapalli
- Institute of Radiation Biology, Helmholtz Zentrum Muenchen—German Research Centre for Environmental Health, Neuherberg, Germany
| | - Omid Azimzadeh
- Institute of Radiation Biology, Helmholtz Zentrum Muenchen—German Research Centre for Environmental Health, Neuherberg, Germany
- Section Radiation Biology, Federal Office for Radiation Protection, Munich, Germany
| | - Charlotte Rombouts
- Radiobiology Unit, Belgian Nuclear Research Centre, SCK CEN, Boeretang, Belgium
- Department of Molecular Biotechnology, Ghent University, Ghent, Belgium
| | - An Aerts
- Radiobiology Unit, Belgian Nuclear Research Centre, SCK CEN, Boeretang, Belgium
| | - Roel Quintens
- Radiobiology Unit, Belgian Nuclear Research Centre, SCK CEN, Boeretang, Belgium
| | - Teni Ebrahimian
- Laboratoire de Radiobiologie et RadioToxicologie expérimentale, Service de recherche des effets biologiques et sanitaires des rayonnements ionisants, Pôle santé, F-92262, Fontenay-aux-Roses, France
| | | | - Raghda Ramadan
- Radiobiology Unit, Belgian Nuclear Research Centre, SCK CEN, Boeretang, Belgium
- * E-mail:
| | - Sarah Baatout
- Radiobiology Unit, Belgian Nuclear Research Centre, SCK CEN, Boeretang, Belgium
- Department of Molecular Biotechnology, Ghent University, Ghent, Belgium
| | - Soile Tapio
- Institute of Radiation Biology, Helmholtz Zentrum Muenchen—German Research Centre for Environmental Health, Neuherberg, Germany
| | - Mats Harms-Ringdahl
- Department of Molecular Bioscience, Centre for Radiation Protection Research, Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
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86
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Leitão R, de Oliveira GV, Rezende C, Volino-Souza M, Mesquita J, de Carvalho LL, Alvares TS. Improved microvascular reactivity after aged garlic extract intake is not mediated by hydrogen sulfide in older adults at risk for cardiovascular disease: a randomized clinical trial. Eur J Nutr 2022; 61:3357-3366. [PMID: 35505122 DOI: 10.1007/s00394-022-02895-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 04/12/2022] [Indexed: 11/25/2022]
Abstract
PURPOSE This study aimed to investigate the effects of AGE on microvascular reactivity, systolic blood pressure (SBP), and diastolic blood pressure (DBP) in older individuals at high risk for cardiovascular disease (CVD). Urinary thiosulfate was also investigated as an indirect marker of endogenous hydrogen sulfide (H2S) synthesis. The study was conducted in a randomized, double-blind, crossover, and placebo-controlled way. METHODS Twenty-eight participants (14 male), 67 ± 6 years old with CVD risk factors, ingested 2.4 g of AGE or placebo (PLA). Near-infrared spectroscopy evaluated tissue oxygen saturation (StO2) during a vascular occlusion test (30 s baseline, 5 min occlusion, and 2 min reperfusion). The upslope of StO2 signal after cuff release was calculated to measure microvascular reactivity. Urinary thiosulfate levels were measured using a high-performance liquid chromatography system. RESULTS The upslope of StO2 was significantly faster after AGE (1.01 ± 0.37% s-1) intake compared to PLA (0.83 ± 0.35% s-1; P < 0.001; d = 0.50). Relative changes in Δ% SBP from pre- to post-AGE intake (- 5.17 ± 5.77%) was significantly different compared to Δ% PLA (0.32 ± 5.99%; P = 0.001; d = 0.93). No significant changes in urinary thiosulfate concentrations were observed between interventions. Moreover, no significant gender effect in any parameter assessed was found. CONCLUSION This study demonstrated that a single dose of AGE improved microvascular reactivity in older adults at risk of CVD despite such an effect was not linked with urinary thiosulfate levels. This trial was registered at clinicaltrials.gov as NCT04008693 (May 19, 2020).
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Affiliation(s)
- Renata Leitão
- Nutrition and Exercise Metabolism Research Group, Food and Nutrition Institute, Federal University of Rio de Janeiro, Macaé Campus, Multidisciplinary Center UFRJ-Macaé, Estrada do Imburo, s/n, Macaé, RJ, 27979-000, Brazil
| | - Gustavo Vieira de Oliveira
- Nutrition and Exercise Metabolism Research Group, Food and Nutrition Institute, Federal University of Rio de Janeiro, Macaé Campus, Multidisciplinary Center UFRJ-Macaé, Estrada do Imburo, s/n, Macaé, RJ, 27979-000, Brazil
| | - Cristina Rezende
- Nutrition and Exercise Metabolism Research Group, Food and Nutrition Institute, Federal University of Rio de Janeiro, Macaé Campus, Multidisciplinary Center UFRJ-Macaé, Estrada do Imburo, s/n, Macaé, RJ, 27979-000, Brazil
| | - Mônica Volino-Souza
- Nutrition and Exercise Metabolism Research Group, Food and Nutrition Institute, Federal University of Rio de Janeiro, Macaé Campus, Multidisciplinary Center UFRJ-Macaé, Estrada do Imburo, s/n, Macaé, RJ, 27979-000, Brazil
| | - Jacilene Mesquita
- Nutrition and Exercise Metabolism Research Group, Food and Nutrition Institute, Federal University of Rio de Janeiro, Macaé Campus, Multidisciplinary Center UFRJ-Macaé, Estrada do Imburo, s/n, Macaé, RJ, 27979-000, Brazil
| | - Leandro Lara de Carvalho
- Laboratory of Catalysis and Synthesis of Bioactivity Substances, Federal University of Rio de Janeiro, Estrada do Imburo, s/n, Macaé, 27979-000, RJ, Brazil
| | - Thiago Silveira Alvares
- Nutrition and Exercise Metabolism Research Group, Food and Nutrition Institute, Federal University of Rio de Janeiro, Macaé Campus, Multidisciplinary Center UFRJ-Macaé, Estrada do Imburo, s/n, Macaé, RJ, 27979-000, Brazil.
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87
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Stefopoulos G, Lendenmann T, Schutzius TM, Giampietro C, Roy T, Chala N, Giavazzi F, Cerbino R, Poulikakos D, Ferrari A. Bistability of Dielectrically Anisotropic Nematic Crystals and the Adaptation of Endothelial Collectives to Stress Fields. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2102148. [PMID: 35344288 PMCID: PMC9165505 DOI: 10.1002/advs.202102148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Endothelial monolayers physiologically adapt to flow and flow-induced wall shear stress, attaining ordered configurations in which elongation, orientation, and polarization are coherently organized over many cells. Here, with the flow direction unchanged, a peculiar bi-stable (along the flow direction or perpendicular to it) cell alignment is observed, emerging as a function of the flow intensity alone, while cell polarization is purely instructed by flow directionality. Driven by the experimental findings, the parallelism between endothelia is delineated under a flow field and the transition of dual-frequency nematic liquid crystals under an external oscillatory electric field. The resulting physical model reproduces the two stable configurations and the energy landscape of the corresponding system transitions. In addition, it reveals the existence of a disordered, metastable state emerging upon system perturbation. This intermediate state, experimentally demonstrated in endothelial monolayers, is shown to expose the cellular system to a weakening of cell-to-cell junctions to the detriment of the monolayer integrity. The flow-adaptation of monolayers composed of healthy and senescent endothelia is successfully predicted by the model with adjustable nematic parameters. These results may help to understand the maladaptive response of in vivo endothelial tissues to disturbed hemodynamics and the progressive functional decay of senescent endothelia.
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Affiliation(s)
- Georgios Stefopoulos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process EngineeringETH ZurichSonneggstrasse 3Zurich8092Switzerland
| | - Tobias Lendenmann
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process EngineeringETH ZurichSonneggstrasse 3Zurich8092Switzerland
| | - Thomas M. Schutzius
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process EngineeringETH ZurichSonneggstrasse 3Zurich8092Switzerland
| | - Costanza Giampietro
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process EngineeringETH ZurichSonneggstrasse 3Zurich8092Switzerland
- Experimental Continuum MechanicsEMPA, Swiss Federal Laboratories for Materials Science and TechnologyÜberlandstrasse 129Dübendorf8600Switzerland
- Institute for Mechanical Systems, Department of Mechanical and Process EngineeringETH ZurichLeonhardstrasse 21Zurich8092Switzerland
| | - Tamal Roy
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process EngineeringETH ZurichSonneggstrasse 3Zurich8092Switzerland
| | - Nafsika Chala
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process EngineeringETH ZurichSonneggstrasse 3Zurich8092Switzerland
| | - Fabio Giavazzi
- Dipartimento di Biotecnologie Mediche e Medicina TraslazionaleUniversità degli Studi di MilanoVia F.lli Cervi 93Segrate20090Italy
| | - Roberto Cerbino
- Faculty of PhysicsUniversity of ViennaBoltzmanngasse 5ViennaAustria
| | - Dimos Poulikakos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process EngineeringETH ZurichSonneggstrasse 3Zurich8092Switzerland
| | - Aldo Ferrari
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process EngineeringETH ZurichSonneggstrasse 3Zurich8092Switzerland
- Experimental Continuum MechanicsEMPA, Swiss Federal Laboratories for Materials Science and TechnologyÜberlandstrasse 129Dübendorf8600Switzerland
- Institute for Mechanical Systems, Department of Mechanical and Process EngineeringETH ZurichLeonhardstrasse 21Zurich8092Switzerland
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88
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Valencia I, Vallejo S, Dongil P, Romero A, San Hipólito-Luengo Á, Shamoon L, Posada M, García-Olmo D, Carraro R, Erusalimsky JD, Romacho T, Peiró C, Sánchez-Ferrer CF. DPP4 Promotes Human Endothelial Cell Senescence and Dysfunction via the PAR2-COX-2-TP Axis and NLRP3 Inflammasome Activation. Hypertension 2022; 79:1361-1373. [PMID: 35477273 DOI: 10.1161/hypertensionaha.121.18477] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Abnormal accumulation of senescent cells in the vessel wall leads to a compromised vascular function contributing to vascular aging. Soluble DPP4 (dipeptidyl peptidase 4; sDPP4) secretion from visceral adipose tissue is enhanced in obesity, now considered a progeric condition. sDPP4 triggers vascular deleterious effects, albeit its contribution to vascular aging is unknown. We aimed to explore sDPP4 involvement in vascular aging, unraveling the molecular pathway by which sDPP4 acts on the endothelium. METHODS Human endothelial cell senescence was assessed by senescence-associated β-galactosidase assay, visualization of DNA damage, and expression of prosenescent markers, whereas vascular function was evaluated by myography over human dissected microvessels. In visceral adipose tissue biopsies from a cohort of obese patients, we explored several age-related parameters in vitro and ex vivo. RESULTS By a common mechanism, sDPP4 triggers endothelial cell senescence and endothelial dysfunction in isolated human resistance arteries. sDPP4 activates the metabotropic receptor PAR2 (protease-activated receptor 2), COX-2 (cyclooxygenase 2) activity, and the production of TXA2 (thromboxane A2) acting over TP (thromboxane receptor) receptors (PAR2-COX-2-TP axis), leading to NLRP3 (nucleotide-binding oligomerization domain, leucine-rich repeat, and pyrin domain-containing 3) inflammasome activation. Obese patients exhibited impaired microarterial functionality in comparison to control nonobese counterparts. Importantly, endothelial dysfunction in obese patients positively correlated with greater expression of DPP4, prosenescent, and proinflammatory markers in visceral adipose tissue nearby the resistance arteries. Moreover, when DPP4 activity or sDPP4-induced prosenescent mechanism was blocked, endothelial dysfunction was restored back to levels of healthy subjects. CONCLUSIONS These results reveal sDPP4 as a relevant mediator in early vascular aging and highlight its capacity activating main proinflammatory mediators in the endothelium that might be pharmacologically tackled.
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Affiliation(s)
- Inés Valencia
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,PhD Programme in Pharmacology and Physiology, Doctoral School, Universidad Autónoma de Madrid, Spain. (I.V., L.S.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
| | - Susana Vallejo
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
| | - Pilar Dongil
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
| | - Alejandra Romero
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
| | - Álvaro San Hipólito-Luengo
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
| | - Licia Shamoon
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,PhD Programme in Pharmacology and Physiology, Doctoral School, Universidad Autónoma de Madrid, Spain. (I.V., L.S.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
| | - María Posada
- Service of Surgery and Instituto de Investigación Sanitaria del Hospital Fundación Jiménez Díaz, Madrid, Spain (M.P., D.G.-O.)
| | - Damián García-Olmo
- Service of Surgery and Instituto de Investigación Sanitaria del Hospital Fundación Jiménez Díaz, Madrid, Spain (M.P., D.G.-O.)
| | - Raffaelle Carraro
- Department of Medicine, School of Medicine, Universidad Autónoma de Madrid, Spain. (R.C.).,Service of Endocrinology and Instituto de Investigación Sanitaria del Hospital Universitario La Princesa, Madrid, Spain (R.C.)
| | - Jorge D Erusalimsky
- School of Sport and Health Sciences, Cardiff Metropolitan University, United Kingdom (J.D.E.)
| | - Tania Romacho
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
| | - Concepción Peiró
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
| | - Carlos F Sánchez-Ferrer
- Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Spain. (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.).,Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain (I.V., S.V., P.D., A.R., Á.S.H.-L., L.S., T.R., C.P., C.F.S.-F.)
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89
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Fan T, Du Y, Zhang M, Zhu AR, Zhang J. Senolytics Cocktail Dasatinib and Quercetin Alleviate Human Umbilical Vein Endothelial Cell Senescence via the TRAF6-MAPK-NF-κB Axis in a YTHDF2-Dependent Manner. Gerontology 2022; 68:920-934. [PMID: 35468611 DOI: 10.1159/000522656] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 02/13/2022] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Senescent cells play a key role in the initiation and development of various age-related diseases. Human umbilical vein endothelial cells (HUVECs) senescence is closely associated with age-related cardiovascular diseases. Accumulating evidence has demonstrated that senolytics, the combination of dasatinib and quercetin (D+Q), could selectively eliminate senescent cells. N6-methyladenosine (m6A), the most abundant internal transcript modification, greatly influences RNA metabolism and modulates gene expression. We aimed to investigate whether RNA m6A functions in lipopolysaccharide (LPS)-induced HUVECs senescence and D+Q suppress HUVECs senescence by regulating RNA m6A. METHODS Senescence-associated β-galactosidase activity, western blot, and real-time quantitative polymerase chain reaction were performed to demonstrate that D+Q suppress HUVECs senescence. Methylated RNA immunoprecipitation (MeRIP)-qPCR assay and RIP-qPCR confirmed that RNA m6A plays a key role in the suppression of HUVECs senescence by D+Q. Chromatin immunoprecipitation and mRNA stability assay were carried out to prove that D+Q alleviate HUVECs senescence in a YTHDF2-dependent manner. RESULTS Here, we demonstrate that D+Q alleviate LPS-induced senescence in HUVECs via inhibiting autocrine and paracrine of the senescence-associated secretory phenotype (SASP). We further confirm that D+Q alleviate HUVECs senescence via the TNF receptor-associated factor 6 (TRAF6)-MAPK pathway. Mechanically, this study validates that D+Q suppress SASP by upregulating m6A reader YTHDF2. Besides, YTHDF2 regulates the stability of MAP2K4 and MAP4K4 mRNAs. CONCLUSION Collectively, we first identified that D+Q alleviate LPS-induced senescence in HUVECs via the TRAF6-MAPK-NF-κB axis in a YTHDF2-dependent manner, providing novel ideas for clinical treatment of age-related cardiovascular diseases.
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Affiliation(s)
- Ting Fan
- The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, China
| | - Yi Du
- The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, China
| | - Mingwan Zhang
- Department of Pharmacy, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Austin Rui Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Jianjun Zhang
- The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, China
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90
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Liu S, Meng X, Li G, Gokulnath P, Wang J, Xiao J. Exercise Training after Myocardial Infarction Attenuates Dysfunctional Ventricular Remodeling and Promotes Cardiac Recovery. Rev Cardiovasc Med 2022; 23:148. [PMID: 39076229 PMCID: PMC11273682 DOI: 10.31083/j.rcm2304148] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/26/2022] [Accepted: 04/07/2022] [Indexed: 07/31/2024] Open
Abstract
Recent evidences have shown that exercise training not only plays a necessary role in maintaining cardiac homeostasis, but also promotes cardiac repair after myocardial infarction. Post-myocardial infarction, exercise training has been observed to effectively increase the maximum cardiac output, and protect myocardial cells against necrosis and apoptosis, thus leading to an improved quality of life of myocardial infarction patients. In fact, exercise training has received more attention as an adjunct therapeutic strategy for both treatment and prevention of myocardial infarction. This review summarizes the experimental evidence of the effects of exercise training in ventricular remodeling after myocardial infarction, and tries to provide theoretical basis along with suitable references for the exercise prescription aimed at prevention and therapy of myocardial infarction.
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Affiliation(s)
- Shuqing Liu
- Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People’s Hospital of Nantong), School of Medicine, Shanghai University, 226011 Nantong, Jiangsu, China
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, Shanghai Engineering Research Center of Organ Repair, School of Life Science, Shanghai University, 200444 Shanghai, China
| | - Xinxiu Meng
- Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People’s Hospital of Nantong), School of Medicine, Shanghai University, 226011 Nantong, Jiangsu, China
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, Shanghai Engineering Research Center of Organ Repair, School of Life Science, Shanghai University, 200444 Shanghai, China
| | - Guoping Li
- Cardiovascular Division of the Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Priyanka Gokulnath
- Cardiovascular Division of the Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Jing Wang
- Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People’s Hospital of Nantong), School of Medicine, Shanghai University, 226011 Nantong, Jiangsu, China
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, Shanghai Engineering Research Center of Organ Repair, School of Life Science, Shanghai University, 200444 Shanghai, China
| | - Junjie Xiao
- Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People’s Hospital of Nantong), School of Medicine, Shanghai University, 226011 Nantong, Jiangsu, China
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, Shanghai Engineering Research Center of Organ Repair, School of Life Science, Shanghai University, 200444 Shanghai, China
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91
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DRG2 Depletion Promotes Endothelial Cell Senescence and Vascular Endothelial Dysfunction. Int J Mol Sci 2022; 23:ijms23052877. [PMID: 35270019 PMCID: PMC8911374 DOI: 10.3390/ijms23052877] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 02/25/2022] [Accepted: 03/02/2022] [Indexed: 12/14/2022] Open
Abstract
Endothelial cell senescence is involved in endothelial dysfunction and vascular diseases. However, the detailed mechanisms of endothelial senescence are not fully understood. Here, we demonstrated that deficiency of developmentally regulated GTP-binding protein 2 (DRG2) induces senescence and dysfunction of endothelial cells. DRG2 knockout (KO) mice displayed reduced cerebral blood flow in the brain and lung blood vessel density. We also determined, by Matrigel plug assay, aorta ring assay, and in vitro tubule formation of primary lung endothelial cells, that deficiency in DRG2 reduced the angiogenic capability of endothelial cells. Endothelial cells from DRG2 KO mice showed a senescence phenotype with decreased cell growth and enhanced levels of p21 and phosphorylated p53, γH2AX, senescence-associated β-galactosidase (SA-β-gal) activity, and senescence-associated secretory phenotype (SASP) cytokines. DRG2 deficiency in endothelial cells upregulated arginase 2 (Arg2) and generation of reactive oxygen species. Induction of SA-β-gal activity was prevented by the antioxidant N-acetyl cysteine in endothelial cells from DRG2 KO mice. In conclusion, our results suggest that DRG2 is a key regulator of endothelial senescence, and its downregulation is probably involved in vascular dysfunction and diseases.
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92
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Semenova Y, Rakhimova I, Nurpeissov T, Alikeyeva G, Khaibullin T, Kovalchuk V, Ainabekova Y, Yurkovskaya O, Glushkova N, Pivina L, Sarria-Santamera A, Abdrakhmanova Z, Abdrakhmanov A. Epidemiology of stroke and transient ischemic attacks in the population of the territories adjacent to the former Semipalatinsk Nuclear Test Site, Kazakhstan. RADIATION AND ENVIRONMENTAL BIOPHYSICS 2022; 61:17-28. [PMID: 34821973 DOI: 10.1007/s00411-021-00955-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 10/23/2021] [Indexed: 06/13/2023]
Abstract
The issue of radiation exposure as a potential cause of cerebrovascular disease raises many concerns. The aim of the present study was to investigate the epidemiology of stroke and transient ischemic attacks (TIA) along with the associated risk factors among the population of East Kazakhstan exposed to ionising radiation from the former Semipalatinsk Nuclear Test Site (SNTS) in comparison with the unexposed population of the same region. This 5-year retrospective cross-sectional study included the data on 10,970 patients, of whom the majority (62.3%) suffered from ischemic stroke, 11.7% had hemorrhagic stroke and the remaining 26.0% had TIA. At the moment when stroke/TIA happened, exposed patients were younger than the unexposed (mean age 63 years versus 64 years, p < 0.001) and showed higher rates of nearly all associated comorbidities, which commonly were more severe. Besides, exposed patients showed a higher risk of stroke lethality in contrast with the unexposed. The observed features might indicate that people residing in the vicinity of the SNTS are vulnerable to cerebrovascular disease and thus, this study contributes to timely recognition of this public health problem. In addition, a longitudinal study has to be envisaged to clarify whether there is any cause-effect relationship between exposure to radiation from the SNTS and the development of stroke or transient ischemic attacks.
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Affiliation(s)
- Yuliya Semenova
- Department of Neurology, Ophthalmology and Otolaryngology, Semey Medical University, Semey, Kazakhstan.
| | - Idaliya Rakhimova
- Department of Cardiology and Interventional Arrhythmology, Semey Medical University, Semey, Kazakhstan
| | | | - Galiya Alikeyeva
- Department of Public Health, Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | - Talgat Khaibullin
- Department of Neurology, Ophthalmology and Otolaryngology, Semey Medical University, Semey, Kazakhstan
| | - Vitalii Kovalchuk
- Hospital No 38 named after N.I. Semashko, Saint Petersburg, Russian Federation
| | - Yelena Ainabekova
- East Kazakhstan Regional Hospital, Stroke Center, Ust'-Kamenogorsk, Kazakhstan
| | - Oksana Yurkovskaya
- Department of Personalized Medicine, Semey Medical University, Semey, Kazakhstan
| | - Natalya Glushkova
- Faculty of Medicine and Healthcare, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Lyudmila Pivina
- Department of Emergency Medicine, Semey Medical University, Semey, Kazakhstan
| | | | - Zhanar Abdrakhmanova
- Department of Radiology and Nuclear Medicine, Astana Medical University, Nur-Sultan, Kazakhstan
| | - Ayan Abdrakhmanov
- Department of Interventional Arrhythmology, National Research Cardiac Surgery Center, Nur-Sultan, Kazakhstan
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93
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Mammoto A, Matus K, Mammoto T. Extracellular Matrix in Aging Aorta. Front Cell Dev Biol 2022; 10:822561. [PMID: 35265616 PMCID: PMC8898904 DOI: 10.3389/fcell.2022.822561] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 02/07/2022] [Indexed: 12/11/2022] Open
Abstract
The aging population is booming all over the world and arterial aging causes various age-associated pathologies such as cardiovascular diseases (CVDs). The aorta is the largest elastic artery, and transforms pulsatile flow generated by the left ventricle into steady flow to maintain circulation in distal tissues and organs. Age-associated structural and functional changes in the aortic wall such as dilation, tortuousness, stiffening and losing elasticity hamper stable peripheral circulation, lead to tissue and organ dysfunctions in aged people. The extracellular matrix (ECM) is a three-dimensional network of macromolecules produced by resident cells. The composition and organization of key ECM components determine the structure-function relationships of the aorta and therefore maintaining their homeostasis is critical for a healthy performance. Age-associated remodeling of the ECM structural components, including fragmentation of elastic fibers and excessive deposition and crosslinking of collagens, is a hallmark of aging and leads to functional stiffening of the aorta. In this mini review, we discuss age-associated alterations of the ECM in the aortic wall and shed light on how understanding the mechanisms of aortic aging can lead to the development of efficient strategy for aortic pathologies and CVDs.
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Affiliation(s)
- Akiko Mammoto
- Department of Pediatrics, Milwaukee, WI, United States
- Department of Cell Biology, Neurobiology and Anatomy, Milwaukee, WI, United States
- *Correspondence: Akiko Mammoto, ; Tadanori Mammoto,
| | - Kienna Matus
- Department of Pediatrics, Milwaukee, WI, United States
| | - Tadanori Mammoto
- Department of Pediatrics, Milwaukee, WI, United States
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, United States
- *Correspondence: Akiko Mammoto, ; Tadanori Mammoto,
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94
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Xian Y, Da P, Chao Y, Hui X, Ligang Y, Shaokang W, Guiju S. Wheat oligopeptides enhance the intestinal mucosal barrier and alleviate inflammation via the TLR4/Myd88/MAPK signaling pathway in aged mice. Food Nutr Res 2022; 66:5690. [PMID: 35261579 PMCID: PMC8861859 DOI: 10.29219/fnr.v66.5690] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/04/2021] [Accepted: 11/30/2021] [Indexed: 11/24/2022] Open
Abstract
Background Aging can induce oxidative stress, inflammation and mucosal impairment, and few works have been conducted to investigate the protective effects of WP on the natural intestinal aging process. Objective The present work aimed to examine the protective effect of wheat oligopeptides (WP) on intestine mucosal impairment in aged mice, and investigate the potential antioxidation, anti-inflammatory effects of WP. Design Seventy-two aged mice (24 months old) were randomly divided into six groups, 12 for each group. Twelve young mice (6 months old) were regarded as the young control group. WP (25, 50, 100, 200, or 400 mg/kg) or distilled water were administered daily by gavage for 30 days. Results Histological observations showed that intestinal mucosal degeneration was attenuated by WP pretreatment. WP exhibited remarkable antioxidant activity via increasing superoxide dismutase, glutathione peroxidase, total antioxidant capacity and catalase activities, and decreasing the malondialdehyde levels in small intestine mucosa. WP pretreatment significantly suppressed intestinal mucosa inflammation through the reduction of TNF-α, TGF-β, IFN-γ IL-1β and IL-6. WP markedly protect the intestinal mucosal barrier by decreasing the ICAM-1 level, and increasing ZO-1 and JAMA-A levels. WP significantly down-regulated protein expression levels of TLR4, Myd88, and MAPK, suggesting that WP have a potential effect on inhibiting aging-induced inflammatory responses by blocking TLR4/Myd88/MAPK signal transduction. Conclusion WP administration effectively alleviated intestinal mucosal impairment in aged mice. The potential mechanism was associated with enhancement of antioxidation and anti-inflammatory action and protection of the intestinal mucosal barrier.
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Affiliation(s)
| | | | | | | | | | | | - Sun Guiju
- Sun Guiju, Key Laboratory of Environmental Medicine and Engineering, Ministry of Education/Department of Nutrition and Food, Hygiene, School of Public Health, Southeast University, Nanjing, P.R. China.
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95
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Miao XY, Zhu XX, Gu ZY, Fu B, Cui SY, Zu Y, Rong LJ, Hu F, Chen XM, Gong YP, Li CL. Astragalus Polysaccharides Reduce High-glucose-induced Rat Aortic Endothelial Cell Senescence and Inflammasome Activation by Modulating the Mitochondrial Na +/Ca 2+ Exchanger. Cell Biochem Biophys 2022; 80:341-353. [PMID: 35107747 DOI: 10.1007/s12013-021-01058-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 12/21/2021] [Indexed: 02/07/2023]
Abstract
Vascular endothelial cells play a vital role in atherosclerotic changes and the progression of cardiovascular disease in older adults. Previous studies have indicated that Astragalus polysaccharides (APS), a main active component of the traditional Chinese medicine Astragalus, protect mitochondria and exert an antiaging effect in the mouse liver and brain. However, the effect of APS on rat aortic endothelial cell (RAEC) senescence and its underlying mechanism have not been investigated. In this study, we extracted RAECs from 2-month-old male Wistar rats by the tissue explant method and found that APS ameliorated the high-glucose-induced increase in the frequency of SA-β-Gal positivity and the levels of the senescence-related proteins p16, p21, and p53. APS increased the tube formation capacity of RAECs under high-glucose conditions. Moreover, APS enhanced the expression of the mitochondrial Na+/Ca2+ exchanger NCLX, and knockdown of NCLX by small interfering RNA (siRNA) transfection suppressed the antiaging effect of APS under high-glucose conditions. Additionally, APS ameliorated RAEC mitochondrial dysfunction, including increasing ATP production, cytochrome C oxidase activity and the oxygen consumption rate (OCR), and inhibited high-glucose-induced NLRP3 inflammasome activation and IL-1β release, which were reversed by siNCLX. These results indicate that APS reduces high-glucose-induced inflammasome activation and ameliorates mitochondrial dysfunction and senescence in RAECs by modulating NCLX. Additionally, APS enhanced the levels of autophagy-related proteins (LC3B-II/I, Atg7) and increased the quantity of autophagic vacuoles under high-glucose conditions. Therefore, these data demonstrate that APS may reduce vascular endothelial cell inflammation and senescence through NCLX.
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Affiliation(s)
- Xin-Yu Miao
- Department of Endocrinology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
| | - Xiao-Xiao Zhu
- Department of Endocrinology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
| | - Zhao-Yan Gu
- Department of Endocrinology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
| | - Bo Fu
- Department of Nephrology, The First Medical Center, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Shao-Yuan Cui
- Department of Nephrology, The First Medical Center, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Yuan Zu
- Department of Blood Purification, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Ling-Jun Rong
- Department of Endocrinology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
| | - Fan Hu
- Department of Endocrinology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
| | - Xiang-Mei Chen
- Department of Nephrology, The First Medical Center, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Yan-Ping Gong
- Department of Endocrinology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China.
| | - Chun-Lin Li
- Department of Endocrinology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China.
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96
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Zhang L, Guo Y, Shi S, Zhuge Y, Chen N, Ding Z, Jin B. Tetrahydroxy stilbene glycoside attenuates endothelial cell premature senescence induced by H 2O 2 through the microRNA-34a/SIRT1 pathway. Sci Rep 2022; 12:1708. [PMID: 35105933 PMCID: PMC8807705 DOI: 10.1038/s41598-022-05804-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 01/18/2022] [Indexed: 11/09/2022] Open
Abstract
Numerous studies have demonstrated that endothelial cell senescence plays a decisive role in the development and progression of cardiovascular diseases (CVD). Our previous results confirmed that Tetrahydroxy stilbene glycoside (TSG) can alleviate the human umbilical vein endothelial cells (HUVECs) senescence induced by H2O2 through SIRT1. It has been reported that miR-34a is a translational suppressor of SIRT1. In this study, we aimed to explore whether TSG regulates SIRT1 through miR-34a to ameliorate HUVECs senescence. H2O2 was used to induce premature senescence in HUVECs, and miR-34a mimic or inhibitor were transfected to over-express or suppress the expression level of miR-34a. Results revealed that TSG apparently decreased the miR-34a expression level in H2O2-induced premature senescence of HUVECs. When SIRT1 expression was inhibited by EX527, the attenuation of TSG on the expression level of miR-34a were abolished. When miR-34a expression was knockdown, the effect of TSG on HUVECs senescence could be enhanced. While miR-34a mimic could reverse the effect of TSG on HUVECs senescence. In conclusion, we demonstrated that TSG could attenuated endothelial cell senescence by targeting miR-34a/SIRT1 pathway.
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Affiliation(s)
- Lixuan Zhang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China
| | - Yan Guo
- College of Basic Medicine, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China
| | - Shennan Shi
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China
| | - Yani Zhuge
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China
| | - Nipi Chen
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China
| | - Zhishan Ding
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Bo Jin
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
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97
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Romero A, Dongil P, Valencia I, Vallejo S, Hipólito-Luengo ÁS, Díaz-Araya G, Bartha JL, González-Arlanzón MM, Rivilla F, de la Cuesta F, Sánchez-Ferrer CF, Peiró C. Pharmacological Blockade of NLRP3 Inflammasome/IL-1β-Positive Loop Mitigates Endothelial Cell Senescence and Dysfunction. Aging Dis 2022; 13:284-297. [PMID: 35111374 PMCID: PMC8782550 DOI: 10.14336/ad.2021.0617] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/17/2021] [Indexed: 12/13/2022] Open
Abstract
The clinical relevance of IL-1β in chronic inflammation underlying atherosclerosis has been reinforced by recent evidence associating pharmacological inhibition of the cytokine with lower cardiovascular risk. Previously, we have demonstrated a direct involvement of IL-1β in endothelial senescence. Therefore, this can be a key mechanism contributing to the sterile inflammatory milieu associated with aging, termed inflammaging. In the present study, we have evaluated whether a positive feedback of IL-1β in the NLRP3 inflammasome via NF-κB could promote human endothelial senescence in vitro and murine endothelial dysfunction in vivo. Our results indicate that the NLRP3 inflammasome is pivotal in mediating the detrimental effects of IL-1β, showing that auto-activation is a crucial feature boosting endothelial cell senescence in vitro, which is paralleled by vascular dysfunction in vivo. Hence, the inhibitor of NLRP3 inflammasome assembly, MCC 950, was able to disrupt the aforementioned positive loop, thus alleviating inflammation, cell senescence and vascular dysfunction. Besides, we explored alternative NLRP3 inflammasome inhibitory agents such as the RAS heptapeptide Ang-(1-7) and the anti-aging protein klotho, both of which demonstrated protective effects in vitro and in vivo. Altogether, our results highlight a fundamental role for the hereby described NLRP3 inflammasome/IL-1β positive feedback loop in stress-induced inflammaging and the associated vascular dysfunction, additionally providing evidence of a potential therapeutic use of MCC 950, Ang-(1-7) and recombinant klotho to block this loop and its deleterious effects.
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Affiliation(s)
- Alejandra Romero
- 1Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.,2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Pilar Dongil
- 1Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.,2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Inés Valencia
- 1Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.,2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain.,3PhD Programme in Pharmacology and Physiology, Doctoral School, Universidad Autónoma de Madrid, Madrid, Spain
| | - Susana Vallejo
- 1Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.,2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Álvaro San Hipólito-Luengo
- 1Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.,2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Guillermo Díaz-Araya
- 4Department of Pharmacological and Toxicological Chemistry, Faculty of Chemical and Pharmaceutical Sciences, Universidad de Chile, Santiago, Chile.,5Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences and Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - José L Bartha
- 2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain.,6Department of Obstetrics and Gynecology, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
| | - María M González-Arlanzón
- 6Department of Obstetrics and Gynecology, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
| | - Fernando Rivilla
- 7Division of Pediatric Surgery, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Fernando de la Cuesta
- 1Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.,2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Carlos F Sánchez-Ferrer
- 1Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.,2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Concepción Peiró
- 1Department of Pharmacology and Therapeutics, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.,2Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
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98
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Kremer V, Bink DI, Stanicek L, van Ingen E, Gimbel T, Hilderink S, Günther S, Nossent AY, Boon RA. MEG8 regulates Tissue Factor Pathway Inhibitor 2 (TFPI2) expression in the endothelium. Sci Rep 2022; 12:843. [PMID: 35039572 PMCID: PMC8763909 DOI: 10.1038/s41598-022-04812-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 12/28/2021] [Indexed: 02/07/2023] Open
Abstract
A large portion of the genome is transcribed into non-coding RNA, which does not encode protein. Many long non-coding RNAs (lncRNAs) have been shown to be involved in important regulatory processes such as genomic imprinting and chromatin modification. The 14q32 locus contains many non-coding RNAs such as Maternally Expressed Gene 8 (MEG8). We observed an induction of this gene in ischemic heart disease. We investigated the role of MEG8 specifically in endothelial function as well as the underlying mechanism. We hypothesized that MEG8 plays an important role in cardiovascular disease via epigenetic regulation of gene expression. Experiments were performed in human umbilical vein endothelial cells (HUVECs). In vitro silencing of MEG8 resulted in impaired angiogenic sprouting. More specifically, total sprout length was reduced as was proliferation, while migration was unaffected. We performed RNA sequencing to assess changes in gene expression after loss of MEG8. The most profoundly regulated gene, Tissue Factor Pathway Inhibitor 2 (TFPI2), was fivefold increased following MEG8 silencing. TFPI2 has previously been described as an inhibitor of angiogenesis. Mechanistically, MEG8 silencing resulted in a reduction of the inhibitory histone modification H3K27me3 at the TFPI2 promoter. Interestingly, additional silencing of TFPI2 partially restored angiogenic sprouting capacity but did not affect proliferation of MEG8 silenced cells. In conclusion, silencing of MEG8 impairs endothelial function, suggesting a potential beneficial role in maintaining cell viability. Our study highlights the MEG8/TFPI2 axis as potential therapeutic approach to improve angiogenesis following ischemia.
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Affiliation(s)
- Veerle Kremer
- Department of Physiology, Amsterdam Cardiovascular Sciences, VU Medical Center, Amsterdam UMC, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands.,Department of Medical Biochemistry, Academic Medical Center, Amsterdam UMC, Amsterdam, The Netherlands
| | - Diewertje I Bink
- Department of Physiology, Amsterdam Cardiovascular Sciences, VU Medical Center, Amsterdam UMC, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Laura Stanicek
- Department of Physiology, Amsterdam Cardiovascular Sciences, VU Medical Center, Amsterdam UMC, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands.,Institute of Cardiovascular Regeneration, Goethe University, Frankfurt am Main, Germany
| | - Eva van Ingen
- Department of Surgery, The Netherlands Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Theresa Gimbel
- Institute of Cardiovascular Regeneration, Goethe University, Frankfurt am Main, Germany.,German Centre for Cardiovascular Research DZHK, Partner Site Frankfurt Rhein/Main, Frankfurt am Main, Germany
| | - Sarah Hilderink
- Department of Physiology, Amsterdam Cardiovascular Sciences, VU Medical Center, Amsterdam UMC, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Stefan Günther
- German Centre for Cardiovascular Research DZHK, Partner Site Frankfurt Rhein/Main, Frankfurt am Main, Germany.,Max Planck Institute for Heart and Lung Research, Bioinformatics and Deep Sequencing Platform, Bad Nauheim, Germany
| | - Anne Yaël Nossent
- Department of Surgery, The Netherlands Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands.,Departments of Laboratory Medicine and Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Reinier A Boon
- Department of Physiology, Amsterdam Cardiovascular Sciences, VU Medical Center, Amsterdam UMC, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands. .,Institute of Cardiovascular Regeneration, Goethe University, Frankfurt am Main, Germany. .,German Centre for Cardiovascular Research DZHK, Partner Site Frankfurt Rhein/Main, Frankfurt am Main, Germany.
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99
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The influence of cardiovascular risk factors on near-infrared spectroscopy-derived muscle oxygen saturation during exercise recovery in older adults. SPORT SCIENCES FOR HEALTH 2022. [DOI: 10.1007/s11332-021-00892-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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100
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Jiao D, Qi L, Hu L, Hu D, Li X, Li G, Li Z, Liu S, Zhao C, Wu H. Changes in aging-induced kidney dysfunction in mice based on a metabolomics analysis. Front Endocrinol (Lausanne) 2022; 13:959311. [PMID: 36157455 PMCID: PMC9492839 DOI: 10.3389/fendo.2022.959311] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 08/05/2022] [Indexed: 11/13/2022] Open
Abstract
Kidney dysfunction is particularly important in systemic organ injuries caused by aging. Metabolomics are utilized in this study to explore the mechanism of kidney dysfunction during aging by the identification of metabolites and the characterization of metabolic pathways. We analyzed the serum biochemistry and kidney histopathology of male Kunming mice aged 3 months and 24 months and found that the aged mice had inflammatory lesions, aggravated fibrosis, and functional impairment. A high-resolution untargeted metabolomics analysis revealed that the endogenous metabolites in the kidneys and urine of the mice were significantly changed by 25 and 20 metabolites, respectively. A pathway analysis of these differential metabolites revealed six key signaling pathways, namely, D-glutamine and D-glutamate metabolism, purine metabolism, the citrate cycle [tricarboxylic acid (TCA) cycle], histidine metabolism, pyruvate metabolism, and glyoxylate and dicarboxylate metabolism. These pathways are involved in amino acid metabolism, carbohydrate metabolism, and nucleotide metabolism, and these can lead to immune regulation, inflammatory responses, oxidative stress damage, cellular dysfunction, and bioenergy disorders, and they are closely associated with aging and kidney insufficiency. We also screened nine types of sensitive metabolites in the urine as potential biomarkers of kidney dysfunction during the aging process to confirm their therapeutic targets in senior-induced kidney dysfunction and to improve the level of risk assessment for senile kidney injury.
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Affiliation(s)
- Danli Jiao
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Qi
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Hu
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Dan Hu
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiao Li
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Guona Li
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Key Laboratory of Acupuncture and Immunological Effects, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zheying Li
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shimin Liu
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chen Zhao
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Chen Zhao, ; Huangan Wu,
| | - Huangan Wu
- Key Laboratory of Acupuncture and Immunological Effects, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Chen Zhao, ; Huangan Wu,
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