1
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Xu S, Huang X, Wang Y, Liu J, Zhang W. The effect of dual antioxidant modification on oxidative stress resistance and anti-dysfunction of non-split HDL and recombinant HDL. Int J Biol Macromol 2024:134632. [PMID: 39128757 DOI: 10.1016/j.ijbiomac.2024.134632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 07/31/2024] [Accepted: 08/08/2024] [Indexed: 08/13/2024]
Abstract
Recombinant high-density lipoprotein (rHDL) as anti-atherosclerosis (AS) vehicle has unique advantages including multiple anti-atherogenic functions and homing features to plaques. However, rHDL may be converted into dysfunctional forms due to complex treatment during preparation. Herein, oxidation-induced dysfunction of non-split HDL and rHDL was initially investigated. It was found that although both non-split HDL and rHDL showed oxidative dysfunction behavior, non-split HDL demonstrated superior oxidation defense compared to rHDL due to its intact composition and avoidance of overprocessing such as split and recombination. Unfortunately, in vivo oxidative stress could compromise the functionality of HDL. Therefore, surface engineering of non-split HDL and rHDL with cascade antioxidant enzyme analogues Ebselen and mitochondrial-targeted TPGS-Tempo was conducted to construct a dual-line defense HDL nano system (i.e., T@E-HDLs/rHDL), aiming to restore plaque redox balance and preserving the physiological function of HDL. Results indicated that both T@E-HDLs and rHDLs performed without distinction and exhibited greater resistance to oxidative stress damage as well as better functions than unmodified HDLs in macrophage foam cells. Overall, the modification of dual antioxidants strategy bridges the gap between non-split HDL and rHDL, and provides a promising resolution for the dilemmas of oxidative stress in plaques and HDL self dysfunction.
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Affiliation(s)
- Siyuan Xu
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Xinya Huang
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China
| | - Yanyan Wang
- Henan university Joint national laboratory for antibody drug engineering, PR China
| | - Jianping Liu
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China.
| | - Wenli Zhang
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu 210009, PR China.
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2
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Xu L, Yang Q, Zhou J. Mechanisms of Abnormal Lipid Metabolism in the Pathogenesis of Disease. Int J Mol Sci 2024; 25:8465. [PMID: 39126035 PMCID: PMC11312913 DOI: 10.3390/ijms25158465] [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: 06/25/2024] [Revised: 07/26/2024] [Accepted: 07/31/2024] [Indexed: 08/12/2024] Open
Abstract
Lipid metabolism is a critical component in preserving homeostasis and health, and lipids are significant chemicals involved in energy metabolism in living things. With the growing interest in lipid metabolism in recent years, an increasing number of studies have demonstrated the close relationship between abnormalities in lipid metabolism and the development of numerous human diseases, including cancer, cardiovascular, neurological, and endocrine system diseases. Thus, understanding how aberrant lipid metabolism contributes to the development of related diseases and how it works offers a theoretical foundation for treating and preventing related human diseases as well as new avenues for the targeted treatment of related diseases. Therefore, we discuss the processes of aberrant lipid metabolism in various human diseases in this review, including diseases of the cardiovascular system, neurodegenerative diseases, endocrine system diseases (such as obesity and type 2 diabetes mellitus), and other diseases including cancer.
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Affiliation(s)
| | | | - Jinghua Zhou
- School of Basic Medicine Sciences, Hangzhou Normal University, Hangzhou 311121, China
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3
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Mattos MS, Vandendriessche S, Waisman A, Marques PE. The immunology of B-1 cells: from development to aging. Immun Ageing 2024; 21:54. [PMID: 39095816 PMCID: PMC11295433 DOI: 10.1186/s12979-024-00455-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Accepted: 07/17/2024] [Indexed: 08/04/2024]
Abstract
B-1 cells have intricate biology, with distinct function, phenotype and developmental origin from conventional B cells. They generate a B cell receptor with conserved germline characteristics and biased V(D)J recombination, allowing this innate-like lymphocyte to spontaneously produce self-reactive natural antibodies (NAbs) and become activated by immune stimuli in a T cell-independent manner. NAbs were suggested as "rheostats" for the chronic diseases in advanced age. In fact, age-dependent loss of function of NAbs has been associated with clinically-relevant diseases in the elderly, such as atherosclerosis and neurodegenerative disorders. Here, we analyzed comprehensively the ontogeny, phenotypic characteristics, functional properties and emerging roles of B-1 cells and NAbs in health and disease. Additionally, after navigating through the complexities of B-1 cell biology from development to aging, therapeutic opportunities in the field are discussed.
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Affiliation(s)
- Matheus Silvério Mattos
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, 3000, Louvain, Belgium
| | - Sofie Vandendriessche
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, 3000, Louvain, Belgium
| | - Ari Waisman
- Institute for Molecular Medicine, University Medical Centre of the Johannes Gutenberg University of Mainz, Mainz, Germany
| | - Pedro Elias Marques
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, 3000, Louvain, Belgium.
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4
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Adolph TE, Tilg H. Western diets and chronic diseases. Nat Med 2024:10.1038/s41591-024-03165-6. [PMID: 39085420 DOI: 10.1038/s41591-024-03165-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 06/28/2024] [Indexed: 08/02/2024]
Abstract
'Westernization', which incorporates industrial, cultural and dietary trends, has paralleled the rise of noncommunicable diseases across the globe. Today, the Western-style diet emerges as a key stimulus for gut microbial vulnerability, chronic inflammation and chronic diseases, affecting mainly the cardiovascular system, systemic metabolism and the gut. Here we review the diet of modern times and evaluate the threat it poses for human health by summarizing recent epidemiological, translational and clinical studies. We discuss the links between diet and disease in the context of obesity and type 2 diabetes, cardiovascular diseases, gut and liver diseases and solid malignancies. We collectively interpret the evidence and its limitations and discuss future challenges and strategies to overcome these. We argue that healthcare professionals and societies must react today to the detrimental effects of the Western diet to bring about sustainable change and improved outcomes in the future.
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Affiliation(s)
- Timon E Adolph
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology and Metabolism, Medical University of Innsbruck, Innsbruck, Austria.
| | - Herbert Tilg
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology and Metabolism, Medical University of Innsbruck, Innsbruck, Austria.
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5
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Virk R, Cook K, Cavazos A, Wassall SR, Gowdy KM, Shaikh SR. How Membrane Phospholipids Containing Long-Chain Polyunsaturated Fatty Acids and Their Oxidation Products Orchestrate Lipid Raft Dynamics to Control Inflammation. J Nutr 2024:S0022-3166(24)00396-1. [PMID: 39025329 DOI: 10.1016/j.tjnut.2024.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 07/08/2024] [Accepted: 07/11/2024] [Indexed: 07/20/2024] Open
Abstract
Long-chain PUFA (LC-PUFA) influence varying aspects of inflammation. One mechanism by which they regulate inflammation is by controlling the size and molecular composition of lipid rafts. Lipid rafts are sphingolipid/cholesterol-enriched plasma membrane microdomains that compartmentalize signaling proteins and thereby control downstream inflammatory gene expression and cytokine production. This review summarizes developments in our understanding of how LC-PUFA acyl chains of phospholipids, in addition to oxidized derivatives of LC-PUFAs such as oxidized 1-palmitoyl-2-arachidonyl-phosphatidylcholine (oxPAPC), manipulate formation of lipid rafts and thereby inflammation. We reviewed the literature, largely from the past 2 decades, on the impact of LC-PUFA acyl chains and oxidized products of LC-PUFAs on lipid raft biophysical organization of myeloid and lymphoid cells. The majority of the studies are based on rodent or cellular experiments with supporting mechanistic studies using biomimetic membranes and molecular dynamic simulations. These studies have focused largely on the LC-PUFA docosahexaenoic acid, with some studies addressing eicosapentaenoic acid. A few studies have investigated the role of oxidized phospholipids on rafts. The biophysical literature suggests a model in which n-3 LC-PUFAs, in addition to oxPAPC, localize predominately to nonraft regions and impart a disordering effect in this environment. Rafts become larger because of the ensuing increase in the difference in order between raft and nonrafts. Biochemical studies suggest that some n-3 LC-PUFAs can be found within rafts. This deviation from homeostasis is a potential trigger for controlling aspects of innate and adaptive immunity. Overall, select LC-PUFA acyl chains and oxidized acyl chains of phospholipids control lipid raft dynamics and downstream inflammation. Gaps in knowledge remain, particularly on underlying molecular mechanisms by which plasma membrane receptor organization is controlled in response to oxidized LC-PUFA acyl chains of membrane phospholipids. Validation in humans is also an area for future study.
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Affiliation(s)
- Rafia Virk
- Department of Nutrition, Gillings School of Global Public Health and School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Katie Cook
- Department of Nutrition, Gillings School of Global Public Health and School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Andres Cavazos
- Department of Physics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, United States
| | - Stephen R Wassall
- Department of Physics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, United States
| | - Kymberly M Gowdy
- Division of Pulmonary, Critical Care and Sleep Medicine, The Ohio State University, Columbus, OH, United States
| | - Saame Raza Shaikh
- Department of Nutrition, Gillings School of Global Public Health and School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.
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6
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Ritson M, Wheeler-Jones CPD, Stolp HB. Endothelial dysfunction in neurodegenerative disease: Is endothelial inflammation an overlooked druggable target? J Neuroimmunol 2024; 391:578363. [PMID: 38728929 DOI: 10.1016/j.jneuroim.2024.578363] [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: 12/21/2023] [Revised: 03/29/2024] [Accepted: 05/02/2024] [Indexed: 05/12/2024]
Abstract
Neurological diseases with a neurodegenerative component have been associated with alterations in the cerebrovasculature. At the anatomical level, these are centred around changes in cerebral blood flow and vessel organisation. At the molecular level, there is extensive expression of cellular adhesion molecules and increased release of pro-inflammatory mediators. Together, these has been found to negatively impact blood-brain barrier integrity. Systemic inflammation has been found to accelerate and exacerbate endothelial dysfunction, neuroinflammation and degeneration. Here, we review the role of cerebrovasculature dysfunction in neurodegenerative disease and discuss the potential contribution of intermittent pro-inflammatory systemic disease in causing endothelial pathology, highlighting a possible mechanism that may allow broad-spectrum therapeutic targeting in the future.
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Affiliation(s)
- Megan Ritson
- Department of Comparative Biomedical Sciences, Royal Veterinary College, London NW1 0TU, UK
| | | | - Helen B Stolp
- Department of Comparative Biomedical Sciences, Royal Veterinary College, London NW1 0TU, UK.
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7
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Letonja J, Petrovič D. A Review of MicroRNAs and lncRNAs in Atherosclerosis as Well as Some Major Inflammatory Conditions Affecting Atherosclerosis. Biomedicines 2024; 12:1322. [PMID: 38927529 PMCID: PMC11201627 DOI: 10.3390/biomedicines12061322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 06/05/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
It is generally accepted that atherosclerosis is a chronic inflammatory disease. The link between atherosclerosis and other inflammatory diseases such as psoriasis, type 2 diabetes mellitus (T2DM), and rheumatoid arthritis (RA) via metabolic, inflammatory, and immunoregulatory pathways is well established. The aim of our review was to summarize the associations between selected microRNAs (miRs) and long non-coding RNAs (lncRNAs) and atherosclerosis, psoriasis, T2DM, and RA. We reviewed the role of miR-146a, miR-210, miR-143, miR-223, miR-126, miR-21, miR-155, miR-145, miR-200, miR-133, miR-135, miR-221, miR-424, let-7, lncRNA-H19, lncRNA-MEG3, lncRNA-UCA1, and lncRNA-XIST in atherosclerosis and psoriasis, T2DM, and RA. Extracellular vesicles (EVs) are a method of intracellular signal transduction. Their function depends on surface expression, cargo, and the cell from which they originate. The majority of the studies that investigated lncRNAs and some miRs had relatively small sample sizes, which limits the generalizability of their findings and indicates the need for more research. Based on the studies reviewed, miR-146a, miR-155, miR-145, miR-200, miR-133, and lncRNA-H19 are the most promising potential biomarkers and, possibly, therapeutic targets for atherosclerosis as well as T2DM, RA, and psoriasis.
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Affiliation(s)
- Jernej Letonja
- Institute of Histology and Embryology, Faculty of Medicine, University of Ljubljana, Korytkova 2, 1000 Ljubljana, Slovenia;
- Laboratory for Histology and Genetics of Atherosclerosis and Microvascular Diseases, Institute of Histology and Embryology, Faculty of Medicine, University of Ljubljana, Korytkova 2, 1000 Ljubljana, Slovenia
| | - Danijel Petrovič
- Institute of Histology and Embryology, Faculty of Medicine, University of Ljubljana, Korytkova 2, 1000 Ljubljana, Slovenia;
- Laboratory for Histology and Genetics of Atherosclerosis and Microvascular Diseases, Institute of Histology and Embryology, Faculty of Medicine, University of Ljubljana, Korytkova 2, 1000 Ljubljana, Slovenia
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8
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Colaço HG, Voss K. Oxidized phospholipids during microbial challenge: friend or foe? Genes Immun 2024; 25:177-178. [PMID: 38649480 PMCID: PMC11178487 DOI: 10.1038/s41435-024-00273-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 04/04/2024] [Accepted: 04/05/2024] [Indexed: 04/25/2024]
Affiliation(s)
- Henrique G Colaço
- Institute of Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Kelsey Voss
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA.
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9
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Mallat Z, Tedgui A. Century of Milestones and Breakthroughs Related to the Immune Mechanisms of Atherosclerosis. Arterioscler Thromb Vasc Biol 2024; 44:1002-1006. [PMID: 38657035 PMCID: PMC11042514 DOI: 10.1161/atvbaha.124.319397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Affiliation(s)
- Ziad Mallat
- Department of Medicine, Section of CardioRespiratory Medicine, Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, United Kingdom (Z.M.)
- Institut National de la Santé et de la Recherche Médicale, Paris Cardiovascular Research Center, Université de Paris, France (Z.M., A.T.)
| | - Alain Tedgui
- Institut National de la Santé et de la Recherche Médicale, Paris Cardiovascular Research Center, Université de Paris, France (Z.M., A.T.)
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10
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Huang Y, Jiang W, Zhou R. DAMP sensing and sterile inflammation: intracellular, intercellular and inter-organ pathways. Nat Rev Immunol 2024:10.1038/s41577-024-01027-3. [PMID: 38684933 DOI: 10.1038/s41577-024-01027-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2024] [Indexed: 05/02/2024]
Abstract
Damage-associated molecular patterns (DAMPs) are endogenous molecules that are released from host cells as a result of cell death or damage. The release of DAMPs in tissues is associated with loss of tissue homeostasis. Sensing of DAMPs by innate immune receptors triggers inflammation, which can be beneficial in initiating the processes that restore tissue homeostasis but can also drive inflammatory diseases. In recent years, the sensing of intracellular DAMPs has received extensive attention in the field of sterile inflammation. However, emerging studies have shown that DAMPs that originate from neighbouring cells, and even from distal tissues or organs, also mediate sterile inflammatory responses. This multi-level sensing of DAMPs is crucial for intercellular, trans-tissue and trans-organ communication. Here, we summarize how DAMP-sensing receptors detect DAMPs from intracellular, intercellular or distal tissue and organ sources to mediate sterile inflammation. We also discuss the possibility of targeting DAMPs or their corresponding receptors to treat inflammatory diseases.
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Affiliation(s)
- Yi Huang
- Key Laboratory of Immune Response and Immunotherapy, Institute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei, China
| | - Wei Jiang
- Key Laboratory of Immune Response and Immunotherapy, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
| | - Rongbin Zhou
- Key Laboratory of Immune Response and Immunotherapy, Institute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei, China.
- Key Laboratory of Immune Response and Immunotherapy, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
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11
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Zhang R, Wuerch E, Yong VW, Xue M. LXR agonism for CNS diseases: promises and challenges. J Neuroinflammation 2024; 21:97. [PMID: 38627787 PMCID: PMC11022383 DOI: 10.1186/s12974-024-03056-0] [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: 01/09/2024] [Accepted: 02/27/2024] [Indexed: 04/19/2024] Open
Abstract
The unfavorable prognosis of many neurological conditions could be attributed to limited tissue regeneration in central nervous system (CNS) and overwhelming inflammation, while liver X receptor (LXR) may regulate both processes due to its pivotal role in cholesterol metabolism and inflammatory response, and thus receives increasing attentions from neuroscientists and clinicians. Here, we summarize the signal transduction of LXR pathway, discuss the therapeutic potentials of LXR agonists based on preclinical data using different disease models, and analyze the dilemma and possible resolutions for clinical translation to encourage further investigations of LXR related therapies in CNS disorders.
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Affiliation(s)
- Ruiyi Zhang
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Hotchkiss Brain Institute and Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada
| | - Emily Wuerch
- Hotchkiss Brain Institute and Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada
| | - V Wee Yong
- Hotchkiss Brain Institute and Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada.
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
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12
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Lu L, Ye Y, Chen Y, Feng L, Huang J, Liang Q, Lan Z, Dong Q, Liu X, Li Y, Zhang X, Ou JS, Chen A, Yan J. Oxidized phospholipid POVPC contributes to vascular calcification by triggering ferroptosis of vascular smooth muscle cells. FASEB J 2024; 38:e23592. [PMID: 38581243 DOI: 10.1096/fj.202302570r] [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: 12/12/2023] [Revised: 02/28/2024] [Accepted: 03/22/2024] [Indexed: 04/08/2024]
Abstract
Vascular calcification is an actively regulated biological process resembling bone formation, and osteogenic differentiation of vascular smooth muscle cells (VSMCs) plays a crucial role in this process. 1-Palmitoyl-2-(5'-oxo-valeroyl)-sn-glycero-3-phosphocholine (POVPC), an oxidized phospholipid, is found in atherosclerotic plaques and has been shown to induce oxidative stress. However, the effects of POVPC on osteogenic differentiation and calcification of VSMCs have yet to be studied. In the present study, we investigated the role of POVPC in vascular calcification using in vitro and ex vivo models. POVPC increased mineralization of VSMCs and arterial rings, as shown by alizarin red staining. In addition, POVPC treatment increased expression of osteogenic markers Runx2 and BMP2, indicating that POVPC promotes osteogenic transition of VSMCs. Moreover, POVPC increased oxidative stress and impaired mitochondria function of VSMCs, as shown by increased ROS levels, impairment of mitochondrial membrane potential, and decreased ATP levels. Notably, ferroptosis triggered by POVPC was confirmed by increased levels of intracellular ROS, lipid ROS, and MDA, which were decreased by ferrostatin-1, a ferroptosis inhibitor. Furthermore, ferrostatin-1 attenuated POVPC-induced calcification of VSMCs. Taken together, our study for the first time demonstrates that POVPC promotes vascular calcification via activation of VSMC ferroptosis. Reducing the levels of POVPC or inhibiting ferroptosis might provide a novel strategy to treat vascular calcification.
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Affiliation(s)
- Lihe Lu
- Department of Pathophysiology, Zhongshan Medical School, Sun Yat-Sen University, Guangzhou, China
| | - Yuanzhi Ye
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Yajun Chen
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Liyun Feng
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Jiali Huang
- Department of Pathophysiology, Zhongshan Medical School, Sun Yat-Sen University, Guangzhou, China
| | - Qingchun Liang
- Department of Anesthesiology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Zirong Lan
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Qianqian Dong
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Xiaoyu Liu
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Yining Li
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Xiuli Zhang
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Jing-Song Ou
- Division of Cardiac Surgery, National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC key Laboratory of Assisted Circulation, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - An Chen
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Jianyun Yan
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
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13
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Brennan PG, Mota L, Aridi T, Patel N, Liang P, Ferran C. Advancements in Omics and Breakthrough Gene Therapies: A Glimpse into the Future of Peripheral Artery Disease. Ann Vasc Surg 2024:S0890-5096(24)00156-0. [PMID: 38582204 DOI: 10.1016/j.avsg.2024.01.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 01/01/2024] [Indexed: 04/08/2024]
Abstract
Peripheral artery disease (PAD), a highly prevalent global disease, associates with significant morbidity and mortality in affected patients. Despite progress in endovascular and open revascularization techniques for advanced PAD, these interventions grapple with elevated rates of arterial restenosis and vein graft failure attributed to intimal hyperplasia (IH). Novel multiomics technologies, coupled with sophisticated analyses tools recently powered by advances in artificial intelligence, have enabled the study of atherosclerosis and IH with unprecedented single-cell and spatial precision. Numerous studies have pinpointed gene hubs regulating pivotal atherogenic and atheroprotective signaling pathways as potential therapeutic candidates. Leveraging advancements in viral and nonviral gene therapy (GT) platforms, gene editing technologies, and cutting-edge biomaterial reservoirs for delivery uniquely positions us to develop safe, efficient, and targeted GTs for PAD-related diseases. Gene therapies appear particularly fitting for ex vivo genetic engineering of IH-resistant vein grafts. This manuscript highlights currently available state-of-the-art multiomics approaches, explores promising GT-based candidates, and details GT delivery modalities employed by our laboratory and others to thwart mid-term vein graft failure caused by IH, as well as other PAD-related conditions. The potential clinical translation of these targeted GTs holds the promise to revolutionize PAD treatment, thereby enhancing patients' quality of life and life expectancy.
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Affiliation(s)
- Phillip G Brennan
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Lucas Mota
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Tarek Aridi
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Nyah Patel
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Patric Liang
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Christiane Ferran
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Division of Nephrology and the Transplant Institute, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
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14
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Lai QC, Zheng J, Mou J, Cui CY, Wu QC, M Musa Rizvi S, Zhang Y, Li TM, Ren YB, Liu Q, Li Q, Zhang C. Identification of hub genes in calcific aortic valve disease. Comput Biol Med 2024; 172:108214. [PMID: 38508057 DOI: 10.1016/j.compbiomed.2024.108214] [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: 11/28/2023] [Revised: 01/26/2024] [Accepted: 02/25/2024] [Indexed: 03/22/2024]
Abstract
Calcific aortic valve disease (CAVD) is a heart valve disorder characterized primarily by calcification of the aortic valve, resulting in stiffness and dysfunction of the valve. CAVD is prevalent among aging populations and is linked to factors such as hypertension, dyslipidemia, tobacco use, and genetic predisposition, and can result in becoming a growing economic and health burden. Once aortic valve calcification occurs, it will inevitably progress to aortic stenosis. At present, there are no medications available that have demonstrated effectiveness in managing or delaying the progression of the disease. In this study, we mined four publicly available microarray datasets (GSE12644 GSE51472, GSE77287, GSE233819) associated with CAVD from the GEO database with the aim of identifying hub genes associated with the occurrence of CAVD and searching for possible biological targets for the early prevention and diagnosis of CAVD. This study provides preliminary evidence for therapeutic and preventive targets for CAVD and may provide a solid foundation for subsequent biological studies.
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Affiliation(s)
- Qian-Cheng Lai
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China; Sichuan Provincial People's Hospital, Chengdu, 610000, Sichuan, China
| | - Jie Zheng
- Department of Anesthesiology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Jian Mou
- Department of Anesthesiology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China; Department of Pain, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Chun-Yan Cui
- Department of Anesthesiology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China; Department of Pain, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Qing-Chen Wu
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Syed M Musa Rizvi
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ying Zhang
- Department of Anesthesiology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Tian-Mei Li
- Department of Anesthesiology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Ying-Bo Ren
- Department of Anesthesiology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Qing Liu
- Department of Pain, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China; Hejiang Traditional Chinese Medicine Hospital, Luzhou, 646000, Sichuan, China.
| | - Qun Li
- Department of Pain, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China.
| | - Cheng Zhang
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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15
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Peleman C, Francque S, Berghe TV. Emerging role of ferroptosis in metabolic dysfunction-associated steatotic liver disease: revisiting hepatic lipid peroxidation. EBioMedicine 2024; 102:105088. [PMID: 38537604 PMCID: PMC11026979 DOI: 10.1016/j.ebiom.2024.105088] [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: 12/31/2023] [Revised: 02/22/2024] [Accepted: 03/12/2024] [Indexed: 04/14/2024] Open
Abstract
Metabolic dysfunction-associated steatohepatitis (MASH) is characterised by cell death of parenchymal liver cells which interact with their microenvironment to drive disease activity and liver fibrosis. The identification of the major death type could pave the way towards pharmacotherapy for MASH. To date, increasing evidence suggest a type of regulated cell death, named ferroptosis, which occurs through iron-catalysed peroxidation of polyunsaturated fatty acids (PUFA) in membrane phospholipids. Lipid peroxidation enjoys renewed interest in the light of ferroptosis, as druggable target in MASH. This review recapitulates the molecular mechanisms of ferroptosis in liver physiology, evidence for ferroptosis in human MASH and critically appraises the results of ferroptosis targeting in preclinical MASH models. Rewiring of redox, iron and PUFA metabolism in MASH creates a proferroptotic environment involved in MASH-related hepatocellular carcinoma (HCC) development. Ferroptosis induction might be a promising novel approach to eradicate HCC, while its inhibition might ameliorate MASH disease progression.
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Affiliation(s)
- Cédric Peleman
- Laboratory of Experimental Medicine and Paediatrics, Infla-Med Centre of Excellence, University of Antwerp, Antwerp, Belgium; Department of Gastroenterology and Hepatology, Antwerp University Hospital, Edegem, Belgium
| | - Sven Francque
- Laboratory of Experimental Medicine and Paediatrics, Infla-Med Centre of Excellence, University of Antwerp, Antwerp, Belgium; Department of Gastroenterology and Hepatology, Antwerp University Hospital, Edegem, Belgium.
| | - Tom Vanden Berghe
- VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium; Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
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16
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Dennis E, Murach M, Blackburn CM, Marshall M, Root K, Pattarabanjird T, Deroissart J, Erickson LD, Binder CJ, Bekiranov S, McNamara CA. Loss of TET2 increases B-1 cell number and IgM production while limiting CDR3 diversity. Front Immunol 2024; 15:1380641. [PMID: 38601144 PMCID: PMC11004297 DOI: 10.3389/fimmu.2024.1380641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 03/14/2024] [Indexed: 04/12/2024] Open
Abstract
Recent studies have demonstrated a role for Ten-Eleven Translocation-2 (TET2), an epigenetic modulator, in regulating germinal center formation and plasma cell differentiation in B-2 cells, yet the role of TET2 in regulating B-1 cells is largely unknown. Here, B-1 cell subset numbers, IgM production, and gene expression were analyzed in mice with global knockout of TET2 compared to wildtype (WT) controls. Results revealed that TET2-KO mice had elevated numbers of B-1a and B-1b cells in their primary niche, the peritoneal cavity, as well as in the bone marrow (B-1a) and spleen (B-1b). Consistent with this finding, circulating IgM, but not IgG, was elevated in TET2-KO mice compared to WT. Analysis of bulk RNASeq of sort purified peritoneal B-1a and B-1b cells revealed reduced expression of heavy and light chain immunoglobulin genes, predominantly in B-1a cells from TET2-KO mice compared to WT controls. As expected, the expression of IgM transcripts was the most abundant isotype in B-1 cells. Yet, only in B-1a cells there was a significant increase in the proportion of IgM transcripts in TET2-KO mice compared to WT. Analysis of the CDR3 of the BCR revealed an increased abundance of replicated CDR3 sequences in B-1 cells from TET2-KO mice, which was more clearly pronounced in B-1a compared to B-1b cells. V-D-J usage and circos plot analysis of V-J combinations showed enhanced usage of VH11 and VH12 pairings. Taken together, our study is the first to demonstrate that global loss of TET2 increases B-1 cell number and IgM production and reduces CDR3 diversity, which could impact many biological processes and disease states that are regulated by IgM.
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Affiliation(s)
- Emily Dennis
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA, United States
| | - Maria Murach
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, United States
| | - Cassidy M.R. Blackburn
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
| | - Melissa Marshall
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
| | - Katherine Root
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
| | - Tanyaporn Pattarabanjird
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
| | - Justine Deroissart
- Department for Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Loren D. Erickson
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA, United States
| | - Christoph J. Binder
- Department for Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Stefan Bekiranov
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, United States
| | - Coleen A. McNamara
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
- Division of Cardiovascular Medicine, Department of Medicine, University of Virginia, Charlottesville, VA, United States
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17
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Harrison J, Newland SA, Jiang W, Giakomidi D, Zhao X, Clement M, Masters L, Corovic A, Zhang X, Drago F, Ma M, Ozsvar Kozma M, Yasin F, Saady Y, Kothari H, Zhao TX, Shi GP, McNamara CA, Binder CJ, Sage AP, Tarkin JM, Mallat Z, Nus M. Marginal zone B cells produce 'natural' atheroprotective IgM antibodies in a T cell-dependent manner. Cardiovasc Res 2024; 120:318-328. [PMID: 38381113 PMCID: PMC10939463 DOI: 10.1093/cvr/cvae027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/10/2023] [Accepted: 12/12/2023] [Indexed: 02/22/2024] Open
Abstract
AIMS The adaptive immune response plays an important role in atherosclerosis. In response to a high-fat/high-cholesterol (HF/HC) diet, marginal zone B (MZB) cells activate an atheroprotective programme by regulating the differentiation and accumulation of 'poorly differentiated' T follicular helper (Tfh) cells. On the other hand, Tfh cells activate the germinal centre response, which promotes atherosclerosis through the production of class-switched high-affinity antibodies. We therefore investigated the direct role of Tfh cells and the role of IL18 in Tfh differentiation in atherosclerosis. METHODS AND RESULTS We generated atherosclerotic mouse models with selective genetic deletion of Tfh cells, MZB cells, or IL18 signalling in Tfh cells. Surprisingly, mice lacking Tfh cells had increased atherosclerosis. Lack of Tfh not only reduced class-switched IgG antibodies against oxidation-specific epitopes (OSEs) but also reduced atheroprotective natural IgM-type anti-phosphorylcholine (PC) antibodies, despite no alteration of natural B1 cells. Moreover, the absence of Tfh cells was associated with an accumulation of MZB cells with substantially reduced ability to secrete antibodies. In the same manner, MZB cell deficiency in Ldlr-/- mice was associated with a significant decrease in atheroprotective IgM antibodies, including natural anti-PC IgM antibodies. In humans, we found a positive correlation between circulating MZB-like cells and anti-OSE IgM antibodies. Finally, we identified an important role for IL18 signalling in HF/HC diet-induced Tfh. CONCLUSION Our findings reveal a previously unsuspected role of MZB cells in regulating atheroprotective 'natural' IgM antibody production in a Tfh-dependent manner, which could have important pathophysiological and therapeutic implications.
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Affiliation(s)
- James Harrison
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Stephen A Newland
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Wei Jiang
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Despoina Giakomidi
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Xiaohui Zhao
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Marc Clement
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
- Laboratory for Vascular Translational Sciences (LVTS), Université de Paris, INSERM U1148, Paris, France
| | - Leanne Masters
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Andrej Corovic
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Xian Zhang
- Department of Medicine, Brigham and Woman’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Fabrizio Drago
- Division of Cardiovascular Medicine, Department of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Marcella Ma
- Wellcome-MRC Institute of Metabolic Science and Medical Research Council Metabolic Diseases Unit, University of Cambridge, UK
| | - Maria Ozsvar Kozma
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Froher Yasin
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Yuta Saady
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Hema Kothari
- Division of Cardiovascular Medicine, Department of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Tian X Zhao
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Guo-Ping Shi
- Department of Medicine, Brigham and Woman’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Coleen A McNamara
- Division of Cardiovascular Medicine, Department of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Christoph J Binder
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Andrew P Sage
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Jason M Tarkin
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
| | - Ziad Mallat
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
- PARCC Inserm U970, Universite de Paris, Paris, France
| | - Meritxell Nus
- Department of Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
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18
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Khan A, Roy P, Ley K. Breaking tolerance: the autoimmune aspect of atherosclerosis. Nat Rev Immunol 2024:10.1038/s41577-024-01010-y. [PMID: 38472321 DOI: 10.1038/s41577-024-01010-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/12/2024] [Indexed: 03/14/2024]
Abstract
Atherosclerotic cardiovascular disease (ASCVD) is a chronic inflammatory disease of the arterial walls and is characterized by the accumulation of lipoproteins that are insufficiently cleared by phagocytes. Following the initiation of atherosclerosis, the pathological progression is accelerated by engagement of the adaptive immune system. Atherosclerosis triggers the breakdown of tolerance to self-components. This loss of tolerance is reflected in defective expression of immune checkpoint molecules, dysfunctional antigen presentation, and aberrations in T cell populations - most notably in regulatory T (Treg) cells - and in the production of autoantibodies. The breakdown of tolerance to self-proteins that is observed in ASCVD may be linked to the conversion of Treg cells to 'exTreg' cells because many Treg cells in ASCVD express T cell receptors that are specific for self-epitopes. Alternatively, or in addition, breakdown of tolerance may trigger the activation of naive T cells, resulting in the clonal expansion of T cell populations with pro-inflammatory and cytotoxic effector phenotypes. In this Perspective, we review the evidence that atherosclerosis is associated with a breakdown of tolerance to self-antigens, discuss possible immunological mechanisms and identify knowledge gaps to map out future research. Rational approaches aimed at re-establishing immune tolerance may become game changers in treating ASCVD and in preventing its downstream sequelae, which include heart attacks and strokes.
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Affiliation(s)
- Amir Khan
- Immunology Center of Georgia, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Payel Roy
- Immunology Center of Georgia, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Klaus Ley
- Immunology Center of Georgia, Medical College of Georgia at Augusta University, Augusta, GA, USA.
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19
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Hodzic A, Gesslbauer B, Bochkov V, Oskolkova OV. Cooperative induction of CXCL chemokines by inflammatory cytokines and oxidized phospholipids. Immunology 2024. [PMID: 38468451 DOI: 10.1111/imm.13773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 02/19/2024] [Indexed: 03/13/2024] Open
Abstract
Inflammation is initiated and driven by a mixture of mediators, which modify effects of each other. This study analysed in vitro pro-inflammatory activity of inflammatory cytokines (TNFα and IL-1β) in a combination with a lipid DAMP molecule, oxidized palmitoyl-arachidonoyl-phosphatidylcholine (OxPAPC). The study was performed on endothelial and monocytic cell lines. The cells were treated with different concentrations of TNFα or IL-1β, OxPAPC and their combinations, either in the presence or absence of drugs regulating inflammation. Pro-inflammatory effects of TNFα/IL-1β and OxPAPC were estimated by analysis of chemokines CXCL8, CXCL2 and CXCL3 by ELISA and RT-PCR. Toxicity was determined by analysis of metabolic activity. Statistical significance was estimated by ANOVA and Dunnett's test. OxPAPC was a much weaker chemokine inducer as compared to TNFα or IL-1β. However, OxPAPC and TNFα/IL-1β together induced effects that were significantly stronger than the arithmetical sum of individual effects. This cooperative action of OxPAPC and TNFα was reversed by inhibitors of p38 MAPK. We hypothesise that the boosting of TNFα and IL-1β effects by OxPAPC may be more pathologically important than the action of the lipid alone. Inhibitors of p38 MAPK may become a tool for analysis of pathological role of oxidized phospholipids.
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Affiliation(s)
- Alma Hodzic
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, University of Graz, Graz, Austria
| | - Bernd Gesslbauer
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, University of Graz, Graz, Austria
| | - Valery Bochkov
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, University of Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
| | - Olga V Oskolkova
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, University of Graz, Graz, Austria
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20
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Abstract
Prolonged or excessive exposure to oxidized phospholipids (OxPLs) generates chronic inflammation. OxPLs are present in atherosclerotic lesions and can be detected in plasma on apolipoprotein B (apoB)-containing lipoproteins. When initially conceptualized, OxPL-apoB measurement in plasma was expected to reflect the concentration of minimally oxidized LDL, but, surprisingly, it correlated more strongly with plasma lipoprotein(a) (Lp(a)) levels. Indeed, experimental and clinical studies show that Lp(a) particles carry the largest fraction of OxPLs among apoB-containing lipoproteins. Plasma OxPL-apoB levels provide diagnostic information on the presence and extent of atherosclerosis and improve the prognostication of peripheral artery disease and first and recurrent myocardial infarction and stroke. The addition of OxPL-apoB measurements to traditional cardiovascular risk factors improves risk reclassification, particularly in patients in intermediate risk categories, for whom improving decision-making is most impactful. Moreover, plasma OxPL-apoB levels predict cardiovascular events with similar or greater accuracy than plasma Lp(a) levels, probably because this measurement reflects both the genetics of elevated Lp(a) levels and the generalized or localized oxidation that modifies apoB-containing lipoproteins and leads to inflammation. Plasma OxPL-apoB levels are reduced by Lp(a)-lowering therapy with antisense oligonucleotides and by lipoprotein apheresis, niacin therapy and bariatric surgery. In this Review, we discuss the role of role OxPLs in the pathophysiology of atherosclerosis and Lp(a) atherogenicity, and the use of OxPL-apoB measurement for improving prognosis, risk reclassification and therapeutic interventions.
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Affiliation(s)
- Sotirios Tsimikas
- Division of Cardiovascular Medicine, University of California San Diego, La Jolla, CA, USA.
| | - Joseph L Witztum
- Division of Endocrinology and Metabolism, University of California San Diego, La Jolla, CA, USA
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21
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Zhou Z, Huang X, Zhang YY, Cui S, Wang Y, Dong M, Zhou D, Zhu B, Qin L. In Silico-Predicted Dynamic Oxlipidomics MS/MS Library: High-Throughput Discovery and Characterization of Unknown Oxidized Lipids. Anal Chem 2024; 96:2008-2021. [PMID: 38276876 DOI: 10.1021/acs.analchem.3c04459] [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: 01/27/2024]
Abstract
Nontargeted lipidomics using liquid chromatography-tandem mass spectrometry can detect thousands of molecules in biological samples. However, the annotation of unknown oxidized lipids is limited to the structures present in libraries, restricting the analysis and interpretation of experimental data. Here, we describe Doxlipid, a computational tool for oxidized lipid annotation that predicts a dynamic MS/MS library for every experiment. Doxlipid integrates three key simulation algorithms to predict libraries and covers 32 subclasses of oxidized lipids from the three main classes. In the evaluation, Doxlipid achieves very high prediction and characterization performance and outperforms the current oxidized lipid annotation methods. Doxlipid, combined with a molecular network, further annotates unknown chemical analogs in the same reaction or pathway. We demonstrate the broad utility of Doxlipid by analyzing oxidized lipids in ferroptosis hepatocellular carcinoma, tissue samples, and other biological samples, substantially advancing the discovery of biological pathways at the trace oxidized lipid level.
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Affiliation(s)
- Zheng Zhou
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Xuhui Huang
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Yu-Ying Zhang
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Shuang Cui
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Ying Wang
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Meng Dong
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Dayong Zhou
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Beiwei Zhu
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
| | - Lei Qin
- School of Food Science and Technology, State Key Laboratory of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China
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22
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Samare-Najaf M, Samareh A, Savardashtaki A, Khajehyar N, Tajbakhsh A, Vakili S, Moghadam D, Rastegar S, Mohsenizadeh M, Jahromi BN, Vafadar A, Zarei R. Non-apoptotic cell death programs in cervical cancer with an emphasis on ferroptosis. Crit Rev Oncol Hematol 2024; 194:104249. [PMID: 38145831 DOI: 10.1016/j.critrevonc.2023.104249] [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: 08/30/2023] [Revised: 12/10/2023] [Accepted: 12/20/2023] [Indexed: 12/27/2023] Open
Abstract
BACKGROUND Cervical cancer, a pernicious gynecological malignancy, causes the mortality of hundreds of thousands of females worldwide. Despite a considerable decline in mortality, the surging incidence rate among younger women has raised serious concerns. Immortality is the most important characteristic of tumor cells, hence the carcinogenesis of cervical cancer cells pivotally requires compromising with cell death mechanisms. METHODS The current study comprehensively reviewed the mechanisms of non-apoptotic cell death programs to provide possible disease management strategies. RESULTS Comprehensive evidence has stated that focusing on necroptosis, pyroptosis, and autophagy for disease management is associated with significant limitations such as insufficient understanding, contradictory functions, dependence on disease stage, and complexity of intracellular pathways. However, ferroptosis represents a predictable role in cervix carcinogenesis, and ferroptosis-related genes demonstrate a remarkable correlation with patient survival and clinical outcomes. CONCLUSION Ferroptosis may be an appropriate option for disease management strategies from predicting prognosis to treatment.
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Affiliation(s)
- Mohammad Samare-Najaf
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran; Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Kerman Regional Blood Transfusion Center, Kerman, Iran.
| | - Ali Samareh
- Department of Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.
| | - Amir Savardashtaki
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran; Infertility Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Nastaran Khajehyar
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Kerman Regional Blood Transfusion Center, Kerman, Iran
| | - Amir Tajbakhsh
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Department of Molecular Medicine, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sina Vakili
- Infertility Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Delaram Moghadam
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran; Department of Medicinal Chemistry, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sanaz Rastegar
- Department of Microbiology and Virology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Majid Mohsenizadeh
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Kerman Regional Blood Transfusion Center, Kerman, Iran
| | | | - Asma Vafadar
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reza Zarei
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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23
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Chen S, Gao JJ, Liu YJ, Mo ZW, Wu FY, Hu ZJ, Peng YM, Zhang XQ, Ma ZS, Liu ZL, Yan JY, Ou ZJ, Li Y, Ou JS. The oxidized phospholipid PGPC impairs endothelial function by promoting endothelial cell ferroptosis via FABP3. J Lipid Res 2024; 65:100499. [PMID: 38218337 PMCID: PMC10864338 DOI: 10.1016/j.jlr.2024.100499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 01/01/2024] [Accepted: 01/02/2024] [Indexed: 01/15/2024] Open
Abstract
Ferroptosis is a novel cell death mechanism that is mediated by iron-dependent lipid peroxidation. It may be involved in atherosclerosis development. Products of phospholipid oxidation play a key role in atherosclerosis. 1-palmitoyl-2-glutaroyl-sn-glycero-3-phosphocholine (PGPC) is a phospholipid oxidation product present in atherosclerotic lesions. It remains unclear whether PGPC causes atherosclerosis by inducing endothelial cell ferroptosis. In this study, human umbilical vein endothelial cells (HUVECs) were treated with PGPC. Intracellular levels of ferrous iron, lipid peroxidation, superoxide anions (O2•-), and glutathione were detected, and expression of fatty acid binding protein-3 (FABP3), glutathione peroxidase 4 (GPX4), and CD36 were measured. Additionally, the mitochondrial membrane potential (MMP) was determined. Aortas from C57BL6 mice were isolated for vasodilation testing. Results showed that PGPC increased ferrous iron levels, the production of lipid peroxidation and O2•-, and FABP3 expression. However, PGPC inhibited the expression of GPX4 and glutathione production and destroyed normal MMP. These effects were also blocked by ferrostatin-1, an inhibitor of ferroptosis. FABP3 silencing significantly reversed the effect of PGPC. Furthermore, PGPC stimulated CD36 expression. Conversely, CD36 silencing reversed the effects of PGPC, including PGPC-induced FABP3 expression. Importantly, E06, a direct inhibitor of the oxidized 1-palmitoyl-2-arachidonoyl-phosphatidylcholine IgM natural antibody, inhibited the effects of PGPC. Finally, PGPC impaired endothelium-dependent vasodilation, ferrostatin-1 or FABP3 inhibitors inhibited this impairment. Our data demonstrate that PGPC impairs endothelial function by inducing endothelial cell ferroptosis through the CD36 receptor to increase FABP3 expression. Our findings provide new insights into the mechanisms of atherosclerosis and a therapeutic target for atherosclerosis.
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Affiliation(s)
- Si Chen
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China
| | - Jian-Jun Gao
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China
| | - Yu-Jia Liu
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China
| | - Zhi-Wei Mo
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China
| | - Fang-Yuan Wu
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China; Division of Hypertension and Vascular Diseases, Department of Cardiology, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zuo-Jun Hu
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China; Division of Vascular Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yue-Ming Peng
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China
| | - Xiao-Qin Zhang
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China; Division of Hypertension and Vascular Diseases, Department of Cardiology, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhen-Sheng Ma
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China
| | - Ze-Long Liu
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China
| | - Jian-Yun Yan
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China; Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, China
| | - Zhi-Jun Ou
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China; Division of Hypertension and Vascular Diseases, Department of Cardiology, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
| | - Yan Li
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China.
| | - Jing-Song Ou
- Division of Cardiac Surgery, Cardiovascular Diseases Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation and Vascular Diseases (Sun Yat-sen University), Key Laboratory of Assisted Circulation and Vascular Diseases, Chinese Academy of Medical Sciences, Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, China; Guangdong Provincial Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
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24
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Martino F, Niglio T, Martino E, Paravati V, de Sanctis L, Guardamagna O. Apolipoprotein B and Lipid Profile in Italian Children and Adolescents. J Cardiovasc Dev Dis 2024; 11:44. [PMID: 38392258 PMCID: PMC10889147 DOI: 10.3390/jcdd11020044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/23/2024] [Accepted: 01/27/2024] [Indexed: 02/24/2024] Open
Abstract
RATIONALE The prevention of cardiovascular (CV) disease is mandatory from childhood onwards. Among biochemical markers related to the clinical cardiovascular outcome, LDL cholesterol (LDL-C), non-HDL-C and apolipoprotein B (ApoB) are recognized as main target parameters. Emphasis on ApoB concentrations is growing, as representative of any class of atherogenic lipoprotein. This consideration allows checking of subjects under 18 years of age when the CV risk occurs. The aim of this study is to evaluate ApoB levels in a sample of Italian hyperlipidemic children and adolescents, and their siblings, to test any relationship with their lipid profile. METHODS A retrospective study, including 1877 children and adolescents (aged 0-18 years), was performed. Clinical and biochemical data were selected from a database, including the lipid profile, ApoB analysis and anthropometric parameters of any proband. Participants had been checked as potentially hyperlipidemia affected, the suspicion raised by familial CV risk or because the dyslipidemia was already known. Data from the first visit at the University Hospitals in Rome and Turin were collected. Patients affected by secondary hyperlipidemia or obesity were excluded. Blood test analysis was performed in fasting conditions by automated commercial kits. Participants were classified according to gender, age (stratified in subgroups: 0-5, 6-10, 11-14, and 15-18 years old) and anthropometric parameters, referred to as weight in Kg and height in cm, and BMI calculated. Lipid profile results were stratified in relation to acceptable, borderline, or increased levels, as indicated by NCEP, and any potential relation with ApoB established. Statistics were performed by Epi-Info 7 programs to evaluate the variance analysis. Either parent could sign the informed consent. RESULTS Among the whole sample n.1010 and n.867 participants were females and males, respectively. TC values acceptable (≤170 mg/dL), borderline (171-200 mg/dL) and elevated (≥201 mg/dL) were found in 411 (22%), 585 (31%) and 881 (47%) participants, respectively. The LDL-C cut-off considered was 110 mg/dL (90° percentile). Mean ApoB progressively increased from 65 to 110 mg/dL according to TC levels and resulted in significant correlation when any age subgroup and gender was considered. The highest ApoB values, TC and LDL-C related, were found in the youngest subgroup, regardless of gender. CONCLUSION ApoB results increase progressively and in parallel with TC and LDL-C and represent a further parameter to distinguish between normal and hyperlipidemic subjects. Serum levels are close to 70 mg/dL and to 100 mg/dL in the former and latter group, respectively.
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Affiliation(s)
- Francesco Martino
- Department of Internal Medicine, Anesthesiology and Cardiovascular Science, Sapienza University of Rome, I-00161 Rome, Italy
| | | | - Eliana Martino
- Department of Internal Medicine, Anesthesiology and Cardiovascular Science, Sapienza University of Rome, I-00161 Rome, Italy
| | - Vincenzo Paravati
- Department of Internal Medicine, Anesthesiology and Cardiovascular Science, Sapienza University of Rome, I-00161 Rome, Italy
| | - Luisa de Sanctis
- Department of Public Health and Pediatric Sciences, University of Turin, I-10126 Turin, Italy
| | - Ornella Guardamagna
- Department of Public Health and Pediatric Sciences, University of Turin, I-10126 Turin, Italy
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25
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Shi Y, Dong M, Wu Y, Gong F, Wang Z, Xue L, Su Z. An elastase-inhibiting, plaque-targeting and neutrophil-hitchhiking liposome against atherosclerosis. Acta Biomater 2024; 173:470-481. [PMID: 37984628 DOI: 10.1016/j.actbio.2023.11.020] [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: 08/02/2023] [Revised: 11/04/2023] [Accepted: 11/13/2023] [Indexed: 11/22/2023]
Abstract
Neutrophil extracellular traps (NETs) play a crucial role in the formation of vulnerable plaques and the development of atherosclerosis. Alleviating the pathological process of atherosclerosis by efficiently targeting neutrophils and inhibiting the activity of neutrophil elastase to inhibit NETs is relatively unexplored and is considered a novel therapeutic strategy with clinical significance. Sivelestat (SVT) is a second-generation competitive inhibitor of neutrophil elastase with high specificity. However, therapeutic effect of SVT on atherosclerosis is restricted because of the poor half-life and the lack of specific targeting. In this study, we construct a plaque-targeting and neutrophil-hitchhiking liposome (cRGD-SVT-Lipo) to improve the efficacy of SVT in vivo by modifying the cRGD peptide onto SVT loaded liposome, which was based on the interaction between cRGD peptide and integrin ανβ3 on the surface of cells in blood and plaque, including epithelial cell, macrophage and neutrophils. The cRGD-SVT-Lipo could actively tend to or hitchhike neutrophils in situ to reach atherosclerotic plaque, which resulted in enhanced atherosclerotic plaque delivery. The cRGD-SVT-Lipo could also reduce plaque area, stabilize plaque, and ultimately alleviate atherosclerosis progression through efficiently inhibiting the activity of neutrophil elastase in atherosclerotic plaque. Therefore, this study provides a basis and targeting strategy for the treatment of neutrophil-related diseases. STATEMENT OF SIGNIFICANCE: Neutrophil extracellular traps (NETs)-inhibiting is a prospective therapeutic approach for atherosclerosis but has received little attention. The NETs can be inhibited by elastase-restraining. In this work, an intriguing system that delivers Sivelestat (SVT), a predominantly used neutrophil elastase inhibitor with poor targeting capability, is designed to provide the drug with plaque-targeting and neutrophil-hitchhiking capability. The result suggests that this system can effectively hinder the formation of NETs and delay the progression of atherosclerosis.
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Affiliation(s)
- Yin Shi
- State Key Laboratory of Natural Medicines, Center of Advanced Pharmaceuticals and Biomaterials, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China
| | - Mei Dong
- Jiangsu Provincial Engineering Research Center of TCM External Medication Development and Application, Nanjing University of Chinese Medicine, Nanjing 210023, PR China; School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Yue Wu
- State Key Laboratory of Natural Medicines, Center of Advanced Pharmaceuticals and Biomaterials, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China
| | - Fanglin Gong
- State Key Laboratory of Natural Medicines, Center of Advanced Pharmaceuticals and Biomaterials, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China
| | - Zibin Wang
- State Key Laboratory of Natural Medicines, Center of Advanced Pharmaceuticals and Biomaterials, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China
| | - Lingjing Xue
- State Key Laboratory of Natural Medicines, Center of Advanced Pharmaceuticals and Biomaterials, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University, Nanjing 210009, PR China.
| | - Zhigui Su
- State Key Laboratory of Natural Medicines, Center of Advanced Pharmaceuticals and Biomaterials, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China.
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26
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Arslan NP, Dawar P, Albayrak S, Doymus M, Azad F, Esim N, Taskin M. Fungi-derived natural antioxidants. Crit Rev Food Sci Nutr 2023:1-24. [PMID: 38156661 DOI: 10.1080/10408398.2023.2298770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
In humans, exogenous antioxidants aid the endogenous antioxidant system to detoxify excess ROS generated during oxidative stress, thereby protecting the body against various diseases and stressful conditions. The majority of natural antioxidants available on the consumer market are plant-based; however, fungi are being recognized as alternative sources of various natural antioxidants such as polysaccharides, pigments, peptides, sterols, phenolics, alkaloids, and flavonoids. In addition, some exogenous antioxidants are exclusively found in fungi. Fungi-derived antioxidants exhibit scavenging activities against DPPH, ABTS, hydroxyl, superoxide, hydrogen peroxide, and nitric oxide radicals in vitro. Furthermore, in vivo models, application of fungal-derived antioxidants increase the level of various antioxidant enzymes, such as catalases, superoxide dismutases, and glutathione peroxidases, and reduce the level of malondialdehyde. Therefore, fungi-derived antioxidants have potential to be used in the food, cosmetic, and pharmaceutical industries. This review summarizes the antioxidant potential of different fungi (mushrooms, yeasts, and molds)-derived natural compounds such as polysaccharides, pigments, peptides, ergothioneine, ergosterol, phenolics, alkaloids, etc.
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Affiliation(s)
| | - Pranav Dawar
- Department of Biological Sciences, Texas Tech University, Lubbock, TX, USA
| | - Seyda Albayrak
- Department of Molecular Biology and Genetics, Science Faculty, Ataturk University, Erzurum, Turkey
| | - Meryem Doymus
- Vocational School of Health Services of Hinis, Ataturk University, Erzurum, Turkey
| | - Fakhrul Azad
- Department of Biochemistry and Cell Biology, Chobanian and Avedisian School of Medicine, Boston University, Boston, MA, USA
| | - Nevzat Esim
- Department of Molecular Biology and Genetics, Science and Art Faculty, Bingol University, Bingol, Turkey
| | - Mesut Taskin
- Department of Molecular Biology and Genetics, Science Faculty, Ataturk University, Erzurum, Turkey
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27
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Zhang B, Wan H, Liu X, Yu T, Yang Y, Dai Y, Han Y, Xu K, Yang L, Wang Y, Zhang X. Engineering Immunomodulatory Stents Using Zinc Ion-Lysozyme Nanoparticle Platform for Vascular Remodeling. ACS NANO 2023; 17:23498-23511. [PMID: 37971533 DOI: 10.1021/acsnano.3c06103] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Rapid endothelialization of cardiovascular materials can enhance the vascular remodeling performance. In this work, we developed a strategy for amyloid-like protein-assembly-mediated interfacial engineering to functionalize a biomimetic nanoparticle coating (BMC). Various groups (e.g., hydroxyl and carboxyl) on the BMC are responsible for chelating Zn2+ ions at the stent interface, similar to the glutathione peroxidase-like enzymes found in vivo. This design could reproduce the release of therapeutic nitric oxide gas (NO) and an aligned microenvironment nearly identical with that of natural vessels. In a rabbit abdominal aorta model, BMC-coated stents promoted vascular healing through rapid endothelialization and the inhibition of intimal hyperplasia in the placement sites at 4, 12, and 24 weeks. Additionally, better anticoagulant activity and immunomodulation in the BMC stents were also confirmed, and vascular healing was mainly dependent on cell signaling through the cyclic guanosine monophosphate-protein kinase G (cGMP-PKG) cascade. Overall, a metal-polypeptide-coated stent was developed on the basis of its detailed molecular mechanism of action in vascular remodeling.
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Affiliation(s)
- Bo Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Huining Wan
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Xiyu Liu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Tao Yu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Yuan Yang
- Sichuan Xingtai Pule Medical Technology Co Ltd, Chengdu, Sichuan 610045, China
| | - Yan Dai
- Sichuan Xingtai Pule Medical Technology Co Ltd, Chengdu, Sichuan 610045, China
| | - Yaling Han
- Cardiovascular Research Institute and Department of Cardiology, General Hospital of Northern Theater Command, Wenhua Road 83, Shenyang 110016, China
| | - Kai Xu
- Cardiovascular Research Institute and Department of Cardiology, General Hospital of Northern Theater Command, Wenhua Road 83, Shenyang 110016, China
| | - Li Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
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28
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Zhang H, Chen R, Xiang S, Gao P, Zhu J, Wang L, Jiang X, Hua F, Huang X. Association between serum lipoprotein(a) and mildly reduced eGFR: a cross-sectional study. BMC Nephrol 2023; 24:364. [PMID: 38066475 PMCID: PMC10709843 DOI: 10.1186/s12882-023-03417-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Lipoprotein(a) [Lp(a)] is a risk factor for cardiovascular disease (CVD) and aortic stenosis. However, the data on the relationship between Lp(a) and mildly reduced estimated glomerular filtration rate (eGFR) has been disputed. This study was conducted to assess the relationship between Lp(a) concentrations and mildly reduced eGFR in healthy subjects.This community-based, cross-sectional study enrolled 1,064 volunteers aged ≥ 40 years who lived in Yonghong Community, Zhonglou District, Changzhou, China, between December 2016 and December 2017. A mildly reduced eGFR was defined as eGFR between 60 and 90 mL/min/1.73m2. A standardized questionnaire and biochemical measurements were used to gather information about participants. The serum concentration of Lp(a) was determined using the latex-enhanced immunoturbidimetric test. Of the total study population, 34.8% (n = 370) were men, and the mean age was 66.8 ± 8.5 years. A significant association existed between Lp(a) levels and the risk of mildly reduced eGFR. Individuals with the highest tertile of Lp(a) had higher odds of mildly reduced eGFR after adjusting for various confounders (adjusted odds ratio [OR]: 1.80, 95% confidence interval [CI]: 1.24-2.60, P = 0.0025) compared to those with the lowest tertile of Lp(a). Multivariable logistic regression of studies in which Lp(a) was presented as continuous variables showed consistent results (adjusted OR: 1.23 for 1-SD increment of Ln-Lp(a), 95% CI: 1.05-1.43). Subgroup analyses showed that study characteristics such as age, sex, obesity, diabetes, and hypertension status did not significantly affect the association (P for all interactions > 0.05). These results suggest that higher serum Lp(a) level was an independent risk factor for mildly reduced eGFR.
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Affiliation(s)
- Hong Zhang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Hefei, Third Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230000, China
| | - Rui Chen
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Shoukui Xiang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Pei Gao
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Jing Zhu
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Long Wang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Xiaohong Jiang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Fei Hua
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Xiaolin Huang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China.
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29
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Reghelin CK, Bastos MS, de Souza Basso B, Costa BP, Lima KG, de Sousa AC, Haute GV, Diz FM, Dias HB, Luft C, Rodrigues KF, Garcia MCR, Matzenbacher LS, Adami BS, Xavier LL, Donadio MVF, de Oliveira JR, da Silva Melo DA. Bezafibrate reduces the damage, activation and mechanical properties of lung fibroblast cells induced by hydrogen peroxide. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3857-3866. [PMID: 37358795 DOI: 10.1007/s00210-023-02595-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 06/20/2023] [Indexed: 06/27/2023]
Abstract
In pulmonary fibrosis, the proliferation of fibroblasts and their differentiation into myofibroblasts is often caused by tissue damage, such as oxidative damage caused by reactive oxygen species, which leads to progressive rupture and thus destruction of the alveolar architecture, resulting in cell proliferation and tissue remodeling. Bezafibrate (BZF) is an important member of the peroxisome proliferator-activated receptor (PPARs) family agonists, used in clinical practice as antihyperlipidemic. However, the antifibrotic effects of BZF are still poorly studied. The objective of this study was to evaluate the effects of BZF on pulmonary oxidative damage in lung fibroblast cells. MRC-5 cells were treated with hydrogen peroxide (H2O2) to induce oxidative stress activation and BZF treatment was administered at the same moment as H2O2 induction. The outcomes evaluated were cell proliferation and cell viability; oxidative stress markers such as reactive oxygen species (ROS), catalase (CAT) levels and thiobarbituric acid reactive substances (TBARS); col-1 and α-SMA mRNA expression and cellular elasticity through Young's modulus analysis evaluated by atomic force microscopy (AFM). The H2O2-induced oxidative damage decreased the cell viability and increased ROS levels and decreased CAT activity in MRC-5 cells. The expression of α-SMA and the cell stiffness increased in response to H2O2 treatment. Treatment with BZF decreased the MRC-5 cell proliferation, ROS levels, reestablished CAT levels, decreased the mRNA expression of type I collagen protein (col-1) and α-smooth muscle actin (α-SMA), and cellular elasticity even with H2O2 induction. Our results suggest that BZF has a potential protective effect on H2O2-induced oxidative stress. These results are based on an in vitro experiment, derived from a fetal lung cell line and may emerge as a possible new therapy for the treatment of pulmonary fibrosis.
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Affiliation(s)
- Camille Kirinus Reghelin
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Matheus Scherer Bastos
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil.
- Laboratório de Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), 6681 Ipiranga Ave., Porto Alegre, RS, Zip Code: 90619-900, Brazil.
| | - Bruno de Souza Basso
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Bruna Pasqualotto Costa
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Kelly Goulart Lima
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Arieli Cruz de Sousa
- Departamento de Bioquímica, ICBS, Universidade Federal Do Rio Grande Do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo I, Porto Alegre, RS, CEP 90035-003, Brazil
| | - Gabriela Viegas Haute
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Fernando Mendonça Diz
- Programa de Pós-Graduação Em Engenharia E Tecnologia de Materiais, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Henrique Bregolin Dias
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Carolina Luft
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Kétlin Fernanda Rodrigues
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Maria Cláudia Rosa Garcia
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Lucas Strassburger Matzenbacher
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Bruno Silveira Adami
- Laboratório Central de Microscopia E Microanálise (LabCEMM), Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Léder Leal Xavier
- Laboratório Central de Microscopia E Microanálise (LabCEMM), Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Márcio Vinícius Fagundes Donadio
- Laboratório de Atividade Física Pediátrica, Centro Infantil, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Jarbas Rodrigues de Oliveira
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Denizar Alberto da Silva Melo
- Laboratório de Pesquisa Em Biofísica Celular E Inflamação, Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Porto Alegre, RS, Brazil
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30
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Blackler G, Akingbasote J, Cairns E, Howlett C, Kiser P, Barra L. The effect of HLA-DRB1*04:01 on a mouse model of atherosclerosis. J Transl Autoimmun 2023; 7:100203. [PMID: 37408614 PMCID: PMC10318502 DOI: 10.1016/j.jtauto.2023.100203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/12/2023] [Accepted: 06/14/2023] [Indexed: 07/07/2023] Open
Abstract
Objectives HLA-DRB1 is associated with an increased risk of cardiovascular disease in patients with rheumatoid arthritis (RA). This study aimed to determine the effect of HLA-DRB1 on atherosclerotic cardiovascular disease (ASCVD) using a novel mouse model. Methods Mice transgenic for HLA-DRB1*04:01 (DR4tg) were crossed with low density lipoprotein receptor knock-out (Ldlr-/-) mice that develop atherosclerosis when fed a high fat, high cholesterol (HFHC) diet. Male and female DR4tgLdlr-/- (n = 48), Ldlr-/- (n = 24), DR4tg (n = 24), and C57Bl/6 (B6) background (n = 24) mice were fed HFHC or regular diet (RD) for 12 weeks. Blood samples were analyzed for serum lipoproteins using a colorimetric assay. C-reactive protein (CRP) and oxidized LDL (OxLDL) were measured using ELISA. Atherosclerosis in the aortas was assessed using the lipid stain, Sudan IV. The presence of citrulline in atherosclerotic plaque was determined by immunohistochemistry. Results Sera low-density lipoprotein cholesterol (LDL-C) levels were higher in HFHC-fed Ldlr-/- versus DR4tgLdlr-/--; p = 0.0056, but the aortic plaque burden and degree of citrullination in the plaque were similar for these two strains. The ratio of pro-atherogenic OxLDL to LDL levels was higher in DR4tgLdlr-/- than Ldlr-/-mice; p = 0.0017. All mice had an increase in CRP when fed a HFHC diet, most pronounced for DR4tgLdlr-/-; p = 0.0009. There were no significant sex differences for DR4tgLdlr-/- mice; however, male Ldlr-/- mice had worse atherosclerosis. B6 and DR4tg mice did not have significant elevations in serum cholesterol levels and did not develop atherosclerosis. Conclusions Expression of HLA-DRB1 resulted in an elevation of OxLDL and a reduction in the male bias for atherosclerosis, mimicking what is observed in RA.
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Affiliation(s)
- Garth Blackler
- Department of Microbiology and Immunology, Western University, London, Ontario, Canada
| | - James Akingbasote
- Department of Microbiology and Immunology, Western University, London, Ontario, Canada
| | - Ewa Cairns
- Department of Microbiology and Immunology, Western University, London, Ontario, Canada
- Department of Medicine, Division of Rheumatology, Western University, London, Ontario, Canada
| | - Christopher Howlett
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
- Department of Pathology and Laboratory Medicine, London Health Research Centre, London, Ontario, Canada
| | - Patti Kiser
- Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
| | - Lillian Barra
- Department of Microbiology and Immunology, Western University, London, Ontario, Canada
- Department of Medicine, Division of Rheumatology, Western University, London, Ontario, Canada
- Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada
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31
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Marques-Carvalho A, Kim HN, Almeida M. The role of reactive oxygen species in bone cell physiology and pathophysiology. Bone Rep 2023; 19:101664. [PMID: 38163012 PMCID: PMC10757300 DOI: 10.1016/j.bonr.2023.101664] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 02/26/2023] Open
Abstract
Hydrogen peroxide (H2O2), superoxide anion radical (O2-•), and other forms of reactive oxygen species (ROS) are produced by the vast majority of mammalian cells and can contribute both to cellular homeostasis and dysfunction. The NADPH oxidases (NOX) enzymes and the mitochondria electron transport chain (ETC) produce most of the cellular ROS. Multiple antioxidant systems prevent the accumulation of excessive amounts of ROS which cause damage to all cellular macromolecules. Many studies have examined the contribution of ROS to different bone cell types and to skeletal physiology and pathophysiology. Here, we discuss the role of H2O2 and O2-• and their major enzymatic sources in osteoclasts and osteoblasts, the fundamentally different ways via which these cell types utilize mitochondrial derived H2O2 for differentiation and function, and the molecular mechanisms that impact and are altered by ROS in these cells. Particular emphasis is placed on evidence obtained from mouse models describing the contribution of different sources of ROS or antioxidant enzymes to bone resorption and formation. Findings from studies using pharmacological or genetically modified mouse models indicate that an increase in H2O2 and perhaps other ROS contribute to the loss of bone mass with aging and estrogen deficiency, the two most important causes of osteoporosis and increased fracture risk in humans.
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Affiliation(s)
- Adriana Marques-Carvalho
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, UC-Biotech, Biocant Park, Cantanhede, Portugal
| | - Ha-Neui Kim
- Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences, Little Rock, USA
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Maria Almeida
- Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences, Little Rock, USA
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Orthopedic Surgery, University of Arkansas for Medical Sciences, Little Rock, USA
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32
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Barajas-Mora EM, Feeney AJ. Enhancers within the Ig V Gene Region Orchestrate Chromatin Topology and Regulate V Gene Rearrangement Frequency to Shape the B Cell Receptor Repertoire Specificities. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:1613-1622. [PMID: 37983521 PMCID: PMC10662671 DOI: 10.4049/jimmunol.2300261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/01/2023] [Indexed: 11/22/2023]
Abstract
Effective Ab-mediated responses depend on a highly diverse Ab repertoire with the ability to bind a wide range of epitopes in disease-causing agents. The generation of this repertoire depends on the somatic recombination of the variable (V), diversity (D), and joining (J) genes in the Ig loci of developing B cells. It has been known for some time that individual V, D, and J gene segments rearrange at different frequencies, but the mechanisms behind this unequal V gene usage have not been well understood. However, recent work has revealed that newly described enhancers scattered throughout the V gene-containing portion of the Ig loci regulate the V gene recombination frequency in a regional manner. Deletion of three of these enhancers revealed that these elements exert many layers of control during V(D)J recombination, including long-range chromatin interactions, epigenetic milieu, chromatin accessibility, and compartmentalization.
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Affiliation(s)
- E. Mauricio Barajas-Mora
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA, USA, Current address: Poseida Therapeutics, Inc. San Diego, CA
| | - Ann J. Feeney
- Scripps Research, Department of Immunology and Microbiology, La Jolla, CA 92014
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33
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Ozkanlar S, Ulas N, Kaynar O, Satici E. P2X7 receptor antagonist A-438079 alleviates oxidative stress of lung in LPS-induced septic rats. Purinergic Signal 2023; 19:699-707. [PMID: 36959434 PMCID: PMC10754811 DOI: 10.1007/s11302-023-09936-z] [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: 01/02/2023] [Accepted: 03/16/2023] [Indexed: 03/25/2023] Open
Abstract
Sepsis is a deadly systemic inflammatory response of the body against infection resulting in immune response, cell differentiation and organ damage. Endotoxemia is one of the causes of sepsis-related acute respiratory distress and respiratory burst is an important generator of oxidants. Inflammation may be aggravated by overexpression of ATP-gated purinergic receptors (i.e., P2X7R) following cell damage. We aimed to evaluate the effects of P2X7R antagonist A-438079 on lung oxidative status and the receptor expression in endotoxemia of sepsis. Rats were subjected to sepsis by E. coli lipopolysaccharide (LPS) and treated with 15 mg/kg A-438079. The increase in circulatory IL-1β and IL-8 concentrations in LPS group confirmed the systemic inflammatory response to endotoxemia compared with Control groups (p < 0.001). Besides, there was an increase in P2X7R expression in lung tissue after LPS administration. Compared with Control groups, there were significant increases in the values of malondialdehyde (MDA), glutathione (GSH), superoxide dismutase (SOD) and catalase (CAT) (p < 0.001), and myeloperoxidase (MPO) (p < 0.05) in lung tissue of LPS group. P2X7R expression in lung and IL-1β level in blood did not increase in LPS + A-438079 group. A-438079 decreased the lung levels of MDA, GSH, CAT and SOD (p < 0.001), and MPO (p < 0.01) in septic rats. As a result, administration of pathogen-associated LPS led to increased P2X7R expression into lung tissue and elevated lipid peroxidation product MDA with regard to oxidative damage. The P2X7R antagonist A-438079 alleviated the oxidative stress of lung with a balance of tissue oxidant/antioxidant factors in experimental sepsis in rats.
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Affiliation(s)
- Seckin Ozkanlar
- Department of Biochemistry, Faculty of Veterinary Medicine, Ataturk University, 25240, Erzurum, Turkey.
| | - Nergis Ulas
- Department of Internal Medicine, Faculty of Veterinary Medicine, Ataturk University, 25240, Erzurum, Turkey
| | - Ozgur Kaynar
- Department of Biochemistry, Faculty of Veterinary Medicine, Kastamonu University, 37150, Kastamonu, Turkey
| | - Emine Satici
- Department of Biochemistry, Faculty of Veterinary Medicine, Ataturk University, 25240, Erzurum, Turkey
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34
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Gioia MD, Poli V, Tan PJ, Spreafico R, Chu A, Cuenca AG, Gordts PL, Pandolfi L, Meloni F, Witztum JL, Chou J, Springstead JR, Zanoni I. Host-derived oxidized phospholipids initiate effector-triggered immunity fostering lethality upon microbial encounter. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.21.568047. [PMID: 38045410 PMCID: PMC10690175 DOI: 10.1101/2023.11.21.568047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Macrophages detect invading microorganisms via pattern recognition receptors that recognize pathogen-associated molecular patterns, or via sensing the activity of virulence factors that initiates effector-triggered immunity (ETI). Tissue damage that follows pathogen encounter leads to the release of host-derived factors that participate to inflammation. How these self-derived molecules are sensed by macrophages and their impact on immunity remain poorly understood. Here we demonstrate that, in mice and humans, host-derived oxidized phospholipids (oxPLs) are formed upon microbial encounter. oxPL blockade restricts inflammation and prevents the death of the host, without affecting pathogen burden. Mechanistically, oxPLs bind and inhibit AKT, a master regulator of immunity and metabolism. AKT inhibition potentiates the methionine cycle, and epigenetically dampens Il10, a pluripotent anti-inflammatory cytokine. Overall, we found that host-derived inflammatory cues act as "self" virulence factors that initiate ETI and that their activity can be targeted to protect the host against excessive inflammation upon microbial encounter.
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Affiliation(s)
- Marco Di Gioia
- Harvard Medical School and Boston Children's Hospital, Division of Immunology and Division of Gastroenterology, MA 02115, USA
| | - Valentina Poli
- Harvard Medical School and Boston Children's Hospital, Division of Immunology and Division of Gastroenterology, MA 02115, USA
| | - Piao J Tan
- Department of Chemical and Paper Engineering, Western Michigan University, Kalamazoo, MI, USA
| | - Roberto Spreafico
- Institute for Quantitative and Computational Biosciences, University of California, Los Angeles, Los Angeles, CA, USA
| | - Anne Chu
- Harvard Medical School and Boston Children's Hospital, Division of Immunology and Division of Gastroenterology, MA 02115, USA
| | - Alex G Cuenca
- Department of Surgery, Boston Children's Hospital, Boston, MA 02115, USA; Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, MA 02114, USA
| | - Philip Lsm Gordts
- Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, La Jolla, CA, USA; Glycobiology Research and Training Center, University of California, San Diego, La Jolla, California, USA
| | - Laura Pandolfi
- Respiratory Disease Unit IRCCS San Matteo Hospital Foundation, and Department of Internal Medicine and Pharmacology, University of Pavia, Pavia, 27100, Italy Pavia, 27100, Italy
| | - Federica Meloni
- Respiratory Disease Unit IRCCS San Matteo Hospital Foundation, and Department of Internal Medicine and Pharmacology, University of Pavia, Pavia, 27100, Italy Pavia, 27100, Italy
| | - Joseph L Witztum
- Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Janet Chou
- Harvard Medical School and Boston Children's Hospital, Division of Immunology and Division of Gastroenterology, MA 02115, USA
| | - James R Springstead
- Department of Chemical and Paper Engineering, Western Michigan University, Kalamazoo, MI, USA
| | - Ivan Zanoni
- Harvard Medical School and Boston Children's Hospital, Division of Immunology and Division of Gastroenterology, MA 02115, USA
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35
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Kanhai AA, Sánchez-López E, Kuipers TB, van Klinken JB, Dijkstra KL, van der Veen I, Baelde HJ, Song X, Pei Y, Mei H, Leonhard WN, Mayboroda OA, Peters DJ. Short salsalate administration affects cell proliferation, metabolism, and inflammation in polycystic kidney disease. iScience 2023; 26:108278. [PMID: 38026227 PMCID: PMC10665819 DOI: 10.1016/j.isci.2023.108278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 09/04/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023] Open
Abstract
Metabolic reprogramming is a driver of autosomal dominant polycystic kidney disease (ADPKD) progression and a potential therapeutic intervention route. We showed before that the AMP-associated protein kinase (AMPK) activator salsalate attenuates cystic disease progression. Here, we aim to study the early, direct effects of short salsalate treatment in adult-onset conditional Pkd1 deletion mice. Cystic mice were treated with salsalate for two weeks, after which NMR metabolomics and RNA sequencing analyses were performed. Pkd1 deletion resulted in clear metabolomic dysregulation. Short salsalate treatment has small, but significant, effects, reverting acetylcarnitine and phosphocholine concentrations back to wildtype levels, and showing associations with altered purine metabolism. RNA sequencing revealed that short salsalate treatment, next to restoring energy metabolism toward wildtype levels, also affects cell proliferation and inflammation, in PKD. We show that salsalate positively affects major dysregulated processes in ADPKD: energy metabolism, cell proliferation, and inflammation, providing more insights into its working mechanisms.
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Affiliation(s)
- Anish A. Kanhai
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands
| | - Elena Sánchez-López
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, the Netherlands
| | - Thomas B. Kuipers
- Sequencing Analysis Support Core, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
| | - Jan B. van Klinken
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands
- Laboratory Genetic Metabolic Diseases of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
- Core Facility Metabolomics, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Kyra L. Dijkstra
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Inge van der Veen
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands
| | - Hans J. Baelde
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Xuewen Song
- Division of Nephrology, University Health Network and University of Toronto, Toronto, ON, Canada
| | - York Pei
- Division of Nephrology, University Health Network and University of Toronto, Toronto, ON, Canada
| | - Hailiang Mei
- Sequencing Analysis Support Core, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
| | - Wouter N. Leonhard
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands
| | - Oleg A. Mayboroda
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, the Netherlands
| | - Dorien J.M. Peters
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands
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36
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Ting KK, Yu P, Dow R, Floro E, Ibrahim H, Scipione CA, Hyduk SJ, Polenz CK, Zaslaver O, Karmaus PW, Fessler MB, Rӧst HL, Ohh M, Tsai S, Winer DA, Woo M, Rocheleau J, Jongstra-Bilen J, Cybulsky MI. Oxidized Low-Density Lipoprotein Accumulation Suppresses Glycolysis and Attenuates the Macrophage Inflammatory Response by Diverting Transcription from the HIF-1α to the Nrf2 Pathway. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:1561-1577. [PMID: 37756544 PMCID: PMC10873122 DOI: 10.4049/jimmunol.2300293] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023]
Abstract
Lipid accumulation in macrophages (Mφs) is a hallmark of atherosclerosis, yet how lipid accumulation affects inflammatory responses through rewiring of Mφ metabolism is poorly understood. We modeled lipid accumulation in cultured wild-type mouse thioglycolate-elicited peritoneal Mφs and bone marrow-derived Mφs with conditional (Lyz2-Cre) or complete genetic deficiency of Vhl, Hif1a, Nos2, and Nfe2l2. Transfection studies employed RAW264.7 cells. Mφs were cultured for 24 h with oxidized low-density lipoprotein (oxLDL) or cholesterol and then were stimulated with LPS. Transcriptomics revealed that oxLDL accumulation in Mφs downregulated inflammatory, hypoxia, and cholesterol metabolism pathways, whereas the antioxidant pathway, fatty acid oxidation, and ABC family proteins were upregulated. Metabolomics and extracellular metabolic flux assays showed that oxLDL accumulation suppressed LPS-induced glycolysis. Intracellular lipid accumulation in Mφs impaired LPS-induced inflammation by reducing both hypoxia-inducible factor 1-α (HIF-1α) stability and transactivation capacity; thus, the phenotype was not rescued in Vhl-/- Mφs. Intracellular lipid accumulation in Mφs also enhanced LPS-induced NF erythroid 2-related factor 2 (Nrf2)-mediated antioxidative defense that destabilizes HIF-1α, and Nrf2-deficient Mφs resisted the inhibitory effects of lipid accumulation on glycolysis and inflammatory gene expression. Furthermore, oxLDL shifted NADPH consumption from HIF-1α- to Nrf2-regulated apoenzymes. Thus, we postulate that repurposing NADPH consumption from HIF-1α to Nrf2 transcriptional pathways is critical in modulating inflammatory responses in Mφs with accumulated intracellular lipid. The relevance of our in vitro models was established by comparative transcriptomic analyses, which revealed that Mφs cultured with oxLDL and stimulated with LPS shared similar inflammatory and metabolic profiles with foamy Mφs derived from the atherosclerotic mouse and human aorta.
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Affiliation(s)
- Kenneth K.Y. Ting
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Pei Yu
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Riley Dow
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Eric Floro
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Hisham Ibrahim
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Corey A. Scipione
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Sharon J. Hyduk
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Chanele K. Polenz
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Olga Zaslaver
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1
| | - Peer W.F. Karmaus
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC, USA
| | - Michael B. Fessler
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC, USA
| | - Hannes L. Rӧst
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1
| | - Michael Ohh
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Sue Tsai
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB T6G 2RS, Canada
| | - Daniel A. Winer
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Minna Woo
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Division of Endocrinology and Metabolism, Department of Medicine, University Health Network, University of Toronto, Toronto, ON M5S 1A8, Canada
- Banting and Best Diabetes Centre, University of Toronto, Toronto, ON M5G 2C4, Canada
| | - Jonathan Rocheleau
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Banting and Best Diabetes Centre, University of Toronto, Toronto, ON M5G 2C4, Canada
| | - Jenny Jongstra-Bilen
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Myron I. Cybulsky
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Peter Munk Cardiac Centre, University Health Network, Toronto, ON M5G 2N2, Canada
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37
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Wang K, Zhou W, Hu G, Wang L, Cai R, Tian T. TFEB SUMOylation in macrophages accelerates atherosclerosis by promoting the formation of foam cells through inhibiting lysosomal activity. Cell Mol Life Sci 2023; 80:358. [PMID: 37950772 PMCID: PMC11071895 DOI: 10.1007/s00018-023-04981-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 11/13/2023]
Abstract
Atherosclerosis (AS) is a serious cardiovascular disease. One of its hallmarks is hyperlipidemia. Inhibiting the formation of macrophage foam cells is critical for alleviating AS. Transcription factor EB (TFEB) can limit the formation of macrophage foam cells by upregulating lysosomal activity. We examined whether TFEB SUMOylation is involved in this progress during AS. In this study, we investigated the role of TFEB SUMOylation in macrophages in AS using TFEB SUMOylation deficiency Ldlr-/- (TFEB-KR: Ldlr-/-) transgenic mice and TFEB-KR bone marrow-derived macrophages. We observed that TFEB-KR: Ldlr-/- atherosclerotic mice had thinner plaques and macrophages with higher lysosomal activity when compared to WT: Ldlr-/- mice. TFEB SUMOylation in macrophages decreased after oxidized low-density lipoprotein (OxLDL) treatment in vitro. Compared with wild type macrophages, TFEB-KR macrophages exhibited less lipid deposition after OxLDL treatment. Our study demonstrated that in AS, deSUMOylation of TFEB could inhibit the formation of macrophage foam cells through enhancing lysosomal biogenesis and autophagy, further reducing the accumulation of lipids in macrophages, and ultimately alleviating the development of AS. Thus, TFEB SUMOylation can be a switch to modulate macrophage foam cells formation and used as a potential target for AS therapy.
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Affiliation(s)
- Kezhou Wang
- Department of Pathology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Zhou
- Department of Urology, Renji Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Gaolei Hu
- Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lifeng Wang
- Department of Ophthalmology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Rd., Shanghai, China
| | - Rong Cai
- Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Tian Tian
- Department of Ophthalmology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Rd., Shanghai, China.
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Attia J, Horvat JC, Hunter T, Hansbro PM, Hure A, Peel R, Ren S, Dizon J, Chiu S, Srikusalanukul W, Greenough R, Abhayaratna WP. Persistence of Detectable Anti-Pneumococcal Antibodies 4 Years After Pneumococcal Polysaccharide Vaccination in a Randomised Controlled Trial: The Australian Study for the Prevention through Immunisation of Cardiovascular Events (AUSPICE). Heart Lung Circ 2023; 32:1378-1385. [PMID: 37919117 DOI: 10.1016/j.hlc.2023.09.006] [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: 06/04/2023] [Revised: 08/29/2023] [Accepted: 09/02/2023] [Indexed: 11/04/2023]
Abstract
AIM Mouse models have indicated that the pneumococcal polysaccharide vaccine (PPV) can reduce atherosclerosis. This is probably through a process of molecular mimicry, where phosphorylcholine in the capsular polysaccharide of the vaccine elicits antibodies that cross-react with oxidised low-density lipoprotein and reduce plaque. We investigated whether a similar mechanism occurs in humans. METHODS A large national blinded, randomised, placebo-controlled trial of the PPV (Australian Study for the Prevention through Immunisation of Cardiovascular Events [AUSPICE]) is underway with fatal and nonfatal cardiovascular disease (CVD) events as the primary outcome. Participants at one centre agreed to a substudy measuring a number of biomarkers and surrogates of CVD over 4 years, including anti-pneumococcal antibodies (immunoglobulin G and immunoglobulin M), C-reactive protein, carotid intima-media thickness, pulse wave velocity, insulin, fasting blood glucose, glycated haemoglobin, and hepatorenal index. RESULTS Antipneumococcal immunoglobulin G and immunoglobulin M were both present and statistically significantly increased in the treated group compared to control at 4 years. However, there were no differences in any of the surrogate measures of CVD or metabolic markers at 4 years. CONCLUSIONS While there were prolonged differences in anti-pneumococcal antibody titres following PPV vaccination, these did not appear to provide any cardioprotective effect, as measured by a range of markers. Final results using the fatal and nonfatal CVD events await the completion of national health record linkage next year. TRIAL REGISTRATION ACTRN12615000536561.
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Affiliation(s)
- John Attia
- School of Medicine and Public Health, University of Newcastle, Newcastle, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia; Department of Medicine, John Hunter Hospital, Newcastle, NSW, Australia.
| | - Jay C Horvat
- Hunter Medical Research Institute, Newcastle, NSW, Australia; School of Biomedical Sciences and Pharmacy, University of Newcastle, Newcastle, NSW, Australia
| | - Tegan Hunter
- Hunter Medical Research Institute, Newcastle, NSW, Australia; School of Biomedical Sciences and Pharmacy, University of Newcastle, Newcastle, NSW, Australia
| | - Philip M Hansbro
- Hunter Medical Research Institute, Newcastle, NSW, Australia; School of Biomedical Sciences and Pharmacy, University of Newcastle, Newcastle, NSW, Australia; Centenary UTS Centre for Inflammation, Sydney, NSW, Australia
| | - Alexis Hure
- School of Medicine and Public Health, University of Newcastle, Newcastle, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Roseanne Peel
- School of Medicine and Public Health, University of Newcastle, Newcastle, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Shu Ren
- School of Medicine and Public Health, University of Newcastle, Newcastle, NSW, Australia
| | - Joshua Dizon
- Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Simon Chiu
- Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Wichat Srikusalanukul
- Australian National University Medical School, Canberra Hospital, Canberra, ACT, Australia
| | | | - Walter P Abhayaratna
- Australian National University Medical School, Canberra Hospital, Canberra, ACT, Australia
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Hou P, Fang J, Liu Z, Shi Y, Agostini M, Bernassola F, Bove P, Candi E, Rovella V, Sica G, Sun Q, Wang Y, Scimeca M, Federici M, Mauriello A, Melino G. Macrophage polarization and metabolism in atherosclerosis. Cell Death Dis 2023; 14:691. [PMID: 37863894 PMCID: PMC10589261 DOI: 10.1038/s41419-023-06206-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/27/2023] [Accepted: 09/29/2023] [Indexed: 10/22/2023]
Abstract
Atherosclerosis is a chronic inflammatory disease characterized by the accumulation of fatty deposits in the inner walls of vessels. These plaques restrict blood flow and lead to complications such as heart attack or stroke. The development of atherosclerosis is influenced by a variety of factors, including age, genetics, lifestyle, and underlying health conditions such as high blood pressure or diabetes. Atherosclerotic plaques in stable form are characterized by slow growth, which leads to luminal stenosis, with low embolic potential or in unstable form, which contributes to high risk for thrombotic and embolic complications with rapid clinical onset. In this complex scenario of atherosclerosis, macrophages participate in the whole process, including the initiation, growth and eventually rupture and wound healing stages of artery plaque formation. Macrophages in plaques exhibit high heterogeneity and plasticity, which affect the evolving plaque microenvironment, e.g., leading to excessive lipid accumulation, cytokine hyperactivation, hypoxia, apoptosis and necroptosis. The metabolic and functional transitions of plaque macrophages in response to plaque microenvironmental factors not only influence ongoing and imminent inflammatory responses within the lesions but also directly dictate atherosclerotic progression or regression. In this review, we discuss the origin of macrophages within plaques, their phenotypic diversity, metabolic shifts, and fate and the roles they play in the dynamic progression of atherosclerosis. It also describes how macrophages interact with other plaque cells, particularly T cells. Ultimately, targeting pathways involved in macrophage polarization may lead to innovative and promising approaches for precision medicine. Further insights into the landscape and biological features of macrophages within atherosclerotic plaques may offer valuable information for optimizing future clinical treatment for atherosclerosis by targeting macrophages.
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Affiliation(s)
- Pengbo Hou
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
- The First Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
| | - Jiankai Fang
- The First Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
| | - Zhanhong Liu
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
- The First Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
| | - Yufang Shi
- The First Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
| | - Massimiliano Agostini
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
| | - Francesca Bernassola
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
| | - Pierluigi Bove
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
| | - Eleonora Candi
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
| | - Valentina Rovella
- Department of System Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Giuseppe Sica
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
| | - Qiang Sun
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
- The First Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
| | - Ying Wang
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
- The First Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
| | - Manuel Scimeca
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy
| | - Massimo Federici
- Department of System Medicine, University of Rome Tor Vergata, Rome, Italy.
| | - Alessandro Mauriello
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy.
| | - Gerry Melino
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, Italy.
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40
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Xue S, Su Z, Liu D. Immunometabolism and immune response regulate macrophage function in atherosclerosis. Ageing Res Rev 2023; 90:101993. [PMID: 37379970 DOI: 10.1016/j.arr.2023.101993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 06/23/2023] [Indexed: 06/30/2023]
Abstract
Macrophages are crucial in the progression of atherosclerotic cardiovascular disease (ASCVD). In the atherosclerotic lesions, macrophages play a central role in maintaining inflammatory response, promoting plaque development, and facilitating thrombosis. Increasing studies indicate that metabolic reprogramming and immune response mediate macrophage functional changes in all stages of atherosclerosis. In this review article, we explain how metabolic changes in glycolysis, oxidative phosphorylation, the tricarboxylic acid cycle, fatty acid synthesis, fatty acid oxidation, and cholesterol metabolism regulate macrophage function in atherosclerosis. We discuss how immune response to oxidized lipids regulate macrophage function in atherosclerosis. Additionally, we explore how abnormal metabolism leads to macrophage mitochondrial dysfunction in atherosclerosis.
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Affiliation(s)
- Sheng Xue
- Institute of Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266003 China.
| | - Zhe Su
- Institute of Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266003 China
| | - Dacheng Liu
- Institute of Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266003 China
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41
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Tsimikas S, Bhatia HS, Erlinge D. Clinical trials to improve outcomes in patients with elevated Lp(a) undergoing PCI: The time has arrived. J Clin Lipidol 2023; 17:567-570. [PMID: 37419784 DOI: 10.1016/j.jacl.2023.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 06/26/2023] [Indexed: 07/09/2023]
Affiliation(s)
- Sotirios Tsimikas
- Vascular Medicine Program, Sulpizio Cardiovascular Center, University of California San Diego, 9500 Gilman Drive, BSB 1080, La Jolla, CA 92093-0682, USA.
| | - Harpreet S Bhatia
- Vascular Medicine Program, Sulpizio Cardiovascular Center, University of California San Diego, 9500 Gilman Drive, BSB 1080, La Jolla, CA 92093-0682, USA
| | - David Erlinge
- Department of Cardiology, Clinical Sciences, Skane University Hospital, Lund University, Lund S-221 85, Sweden
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42
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Domingues N, Gaifem J, Matthiesen R, Saraiva DP, Bento L, Marques ARA, Soares MIL, Sampaio J, Klose C, Surma MA, Almeida MS, Rodrigues G, Gonçalves PA, Ferreira J, E Melo RG, Pedro LM, Simons K, Pinho E Melo TMVD, Cabral MG, Jacinto A, Silvestre R, Vaz W, Vieira OV. Cholesteryl hemiazelate identified in CVD patients causes in vitro and in vivo inflammation. J Lipid Res 2023; 64:100419. [PMID: 37482218 PMCID: PMC10450993 DOI: 10.1016/j.jlr.2023.100419] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/25/2023] Open
Abstract
Oxidation of PUFAs in LDLs trapped in the arterial intima plays a critical role in atherosclerosis. Though there have been many studies on the atherogenicity of oxidized derivatives of PUFA-esters of cholesterol, the effects of cholesteryl hemiesters (ChEs), the oxidation end products of these esters, have not been studied. Through lipidomics analyses, we identified and quantified two ChE types in the plasma of CVD patients and identified four ChE types in human endarterectomy specimens. Cholesteryl hemiazelate (ChA), the ChE of azelaic acid (n-nonane-1,9-dioic acid), was the most prevalent ChE identified in both cases. Importantly, human monocytes, monocyte-derived macrophages, and neutrophils exhibit inflammatory features when exposed to subtoxic concentrations of ChA in vitro. ChA increases the secretion of proinflammatory cytokines such as interleukin-1β and interleukin-6 and modulates the surface-marker profile of monocytes and monocyte-derived macrophage. In vivo, when zebrafish larvae were fed with a ChA-enriched diet, they exhibited neutrophil and macrophage accumulation in the vasculature in a caspase 1- and cathepsin B-dependent manner. ChA also triggered lipid accumulation at the bifurcation sites of the vasculature of the zebrafish larvae and negatively impacted their life expectancy. We conclude that ChA behaves as an endogenous damage-associated molecular pattern with inflammatory and proatherogenic properties.
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Affiliation(s)
- Neuza Domingues
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal
| | - Joana Gaifem
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Portugal and ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rune Matthiesen
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal
| | - Diana P Saraiva
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal
| | - Luís Bento
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal
| | - André R A Marques
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal
| | - Maria I L Soares
- Department of Chemistry, Coimbra Chemistry Centre, Institute of Molecular Sciences, University of Coimbra, Coimbra, Portugal
| | | | | | | | - Manuel S Almeida
- Hospital Santa Cruz, Centro Hospitalar de Lisboa Ocidental, Carnaxide, Portugal
| | - Gustavo Rodrigues
- Hospital Santa Cruz, Centro Hospitalar de Lisboa Ocidental, Carnaxide, Portugal
| | | | - Jorge Ferreira
- Hospital Santa Cruz, Centro Hospitalar de Lisboa Ocidental, Carnaxide, Portugal
| | - Ryan Gouveia E Melo
- Department of Vascular Surgery, Hospital de Santa Maria, Centro Hospitalar Universitario Lisboa Norte (CHULN), Lisboa, Portugal
| | - Luís Mendes Pedro
- Department of Vascular Surgery, Hospital de Santa Maria, Centro Hospitalar Universitario Lisboa Norte (CHULN), Lisboa, Portugal
| | | | - Teresa M V D Pinho E Melo
- Department of Chemistry, Coimbra Chemistry Centre, Institute of Molecular Sciences, University of Coimbra, Coimbra, Portugal
| | - M Guadalupe Cabral
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal
| | - Antonio Jacinto
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal
| | - Ricardo Silvestre
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Portugal and ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Winchil Vaz
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal
| | - Otília V Vieira
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, (NMS, FCM), Universidade Nova de Lisboa, Lisboa, Portugal.
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43
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Shariati A, Shahabi Raberi V, Masumi M, Tarbiat A, Rastgoo E, Faramarz Zadeh R. The Regulation of Pyroptosis and Ferroptosis by MicroRNAs in Cardiovascular Diseases. Galen Med J 2023; 12:1-9. [PMID: 38974133 PMCID: PMC11227648 DOI: 10.31661/gmj.v12i0.2933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Indexed: 07/09/2024] Open
Abstract
Cardiovascular diseases (CVDs) are considered the most prevalent noncommunicable disease and the leading cause of death worldwide. A plethora of evidence has revealed that microRNAs (miRNAs) could control the inhibition or progression of CVDs by regulating pivotal cell processes ranging from metabolism and homeostasis to programmed cell death (PCD). Pyroptosis and ferroptosis are two major types of nonapoptotic PCDs involved in the pathogenesis of heart failure. However, no study has discussed the crosstalk between miRNAs and these two types of PCDs in the CVDs. The current review demonstrated that different types of miRNAs can regulate both ferroptosis and pyroptosis and thereby affect CVDs progression and inhibition. Altogether, the discussed content encourages further studies to confirm that mentioned pathways are suitable to be considered as novel therapeutic approaches against CVDs.
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Affiliation(s)
- Akram Shariati
- Department of Cardiology, School of Medicine, Urmia University of Medical Sciences,
Urmia, Iran
| | - Venus Shahabi Raberi
- Seyed-Al-Shohada Cardiology Hospital, Urmia University of Medical Sciences, Urmia,
Iran
| | - Mehdi Masumi
- Seyed-Al-Shohada Cardiology Hospital, Urmia University of Medical Sciences, Urmia,
Iran
| | - Ali Tarbiat
- Seyed-Al-Shohada Cardiology Hospital, Urmia University of Medical Sciences, Urmia,
Iran
| | - Elham Rastgoo
- Department of Radiology, School of Medicine, Shiraz University of Medical Sciences,
Shiraz, Iran
| | - Reza Faramarz Zadeh
- Seyed-Al-Shohada Cardiology Hospital, Urmia University of Medical Sciences, Urmia,
Iran
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44
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Li W, Zhang C, Aramaki S, Xu L, Tsuge S, Sakamoto T, Mamun MA, Islam A, Hayakawa T, Takanashi Y, Dubail M, Konishi K, Sato T, Kahyo T, Fouillade C, Nakamura K, Setou M. Lipid Polyunsaturated Fatty Acid Chains in Mouse Kidneys Were Increased within 5 min of a Single High Dose Whole Body Irradiation. Int J Mol Sci 2023; 24:12439. [PMID: 37569813 PMCID: PMC10419980 DOI: 10.3390/ijms241512439] [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: 07/15/2023] [Revised: 07/30/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
To understand the ultra-early reaction of normal organ lipids during irradiation, we investigated the response of lipids, including polyunsaturated fatty acid (PUFA) chains, which are particularly susceptible to damage by ROS, in mice's kidneys, lungs, brains, and livers within 5 min of single high-dose irradiation. In this study, we set up three groups of C56BL/6 male mice and conducted whole-body irradiation with 0 Gy, 10 Gy, and 20 Gy single doses. Kidney, lung, brain, and liver tissues were collected within 5 min of irradiation. PUFA-targeted and whole lipidomic analyses were conducted using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The results showed that PUFA chains of kidney phosphatidylcholine (PC), phosphatidylethanolamine (PE), and triacylglycerol (TG) significantly increased within 5 min of 10 Gy and 20 Gy irradiation. The main components of increased PUFA chains in PC and PE were C18:2, C20:4, and C22:6, and in TG the main component was C18:2. The kidney lipidomes also showed significant changes from the perspective of lipid species, mainly dominated by an increase in PC, PE, TG, and signal lipids, while lipidomes of the lung, brain, and liver were slightly changed. Our results revealed that acute PUFA chains increase and other lipidomic changes in the kidney upon whole-body irradiation within 5 min of irradiation. The significantly increased lipids also showed a consistent preference for possessing PUFA chains. The lipidomic changes varied from organ to organ, which indicates that the response upon irradiation within a short time is tissue-specific.
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Affiliation(s)
- Wenxin Li
- Department of Radiation Oncology, Hamamatsu University School of Medicine, Handayama 1-20-1, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (W.L.)
| | - Chi Zhang
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
- Department of Systems Molecular Anatomy, Institute for Medical Photonics Research, Preeminent Medical Photonics Education & Research Center Hamamatsu, Hamamatsu 431-3192, Shizuoka, Japan
| | - Shuhei Aramaki
- Department of Radiation Oncology, Hamamatsu University School of Medicine, Handayama 1-20-1, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (W.L.)
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Lili Xu
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
| | - Shogo Tsuge
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
| | - Takumi Sakamoto
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
| | - Md. Al Mamun
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
| | - Ariful Islam
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
| | - Takamitsu Hayakawa
- First Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Yusuke Takanashi
- First Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Maxime Dubail
- Institut Curie, Centre de Recherche, INSERM U612, 91405 Orsay, France
| | - Kenta Konishi
- Department of Radiation Oncology, Hamamatsu University School of Medicine, Handayama 1-20-1, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (W.L.)
| | - Tomohito Sato
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Tomoaki Kahyo
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Charles Fouillade
- Institut Curie, Centre de Recherche, INSERM U612, 91405 Orsay, France
| | - Katsumasa Nakamura
- Department of Radiation Oncology, Hamamatsu University School of Medicine, Handayama 1-20-1, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (W.L.)
| | - Mitsutoshi Setou
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan; (C.Z.); (M.S.)
- Department of Systems Molecular Anatomy, Institute for Medical Photonics Research, Preeminent Medical Photonics Education & Research Center Hamamatsu, Hamamatsu 431-3192, Shizuoka, Japan
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
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Endale HT, Tesfaye W, Mengstie TA. ROS induced lipid peroxidation and their role in ferroptosis. Front Cell Dev Biol 2023; 11:1226044. [PMID: 37601095 PMCID: PMC10434548 DOI: 10.3389/fcell.2023.1226044] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 07/13/2023] [Indexed: 08/22/2023] Open
Abstract
Reactive oxygen species (ROS) play a crucial part in the process of cell death, including apoptosis, autophagy, and ferroptosis. ROS involves in the oxidation of lipids and generate 4-hydroxynonenal and other compounds associated with it. Ferroptosis may be facilitated by lipid peroxidation of phospholipid bilayers. In order to offer novel ideas and directions for the investigation of disorders connected to these processes, we evaluate the function of ROS in lipid peroxidation which ultimately leads to ferroptosis as well as proposed crosstalk mechanisms between ferroptosis and other types programmed cell death.
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Affiliation(s)
- Hiwot Tezera Endale
- Department of Biochemistry, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Winta Tesfaye
- Department of Human Physiology, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Tiget Ayelgn Mengstie
- Department of Human Physiology, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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Ke Y, Karki P, Li Y, Promnares K, Zhang CO, Eggerman TL, Bocharov AV, Birukova AA, Birukov KG. Aging-Related Accumulation of Truncated Oxidized Phospholipids Augments Infectious Lung Injury and Endothelial Dysfunction via Cluster of Differentiation 36-Dependent Mechanism. Cells 2023; 12:1937. [PMID: 37566016 PMCID: PMC10416939 DOI: 10.3390/cells12151937] [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: 04/04/2023] [Revised: 07/18/2023] [Accepted: 07/24/2023] [Indexed: 08/12/2023] Open
Abstract
Truncated phospholipid oxidation products (Tr-OxPL) increase in blood circulation with aging; however, their role in the severity of vascular dysfunction and bacterial lung injury in aging groups remains poorly understood. We investigated the effects of six Tr-OxPL species: KOdiA-PC, POVPC, PONPC, PGPC, Paz-PC, and Lyso-PC on endothelial dysfunction and lung inflammation caused by heat-killed Staphylococcus aureus (HKSA) in young (aged 2-4 months) and old (aged 12-18 months) mice, organotypic culture of precisely cut lung slices, and endothelial cells (mLEC) isolated from young and old mice. HKSA and Tr-OxPL combination caused a higher degree of vascular leak, the accumulation of inflammatory cells and protein in bronchoalveolar lavage, and inflammatory gene expression in old mice lungs. HKSA caused a greater magnitude of inflammatory gene activation in cell and ex vivo cultures from old mice, which was further augmented by Tr-OxPLs. L37pA peptide targeting CD36 receptor attenuated Tr-OxPL-induced endothelial cell permeability in young and old mLEC and ameliorated KOdiA-PC-induced vascular leak and lung inflammation in vivo. Finally, CD36 knockout mice showed better resistance to KOdiA-PC-induced lung injury in both age groups. These results demonstrate the aging-dependent vulnerability of pulmonary vasculature to elevated Tr-OxPL, which exacerbates bacterial lung injury. CD36 inhibition is a promising therapeutic approach for improving pneumonia outcomes in aging population.
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Affiliation(s)
- Yunbo Ke
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Pratap Karki
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (P.K.)
| | - Yue Li
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (P.K.)
| | - Kamoltip Promnares
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Chen-Ou Zhang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (P.K.)
| | - Thomas L. Eggerman
- Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD 20894, USA
- National Institute of Diabetes, Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Alexander V. Bocharov
- Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD 20894, USA
| | - Anna A. Birukova
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (P.K.)
| | - Konstantin G. Birukov
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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47
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Domingues N, Marques ARA, Calado RDA, Ferreira IS, Ramos C, Ramalho J, Soares MIL, Pereira T, Oliveira L, Vicente JR, Wong LH, Simões ICM, Pinho E Melo TMVD, Peden A, Almeida CG, Futter CE, Puertollano R, Vaz WLC, Vieira OV. Oxidized cholesteryl ester induces exocytosis of dysfunctional lysosomes in lipidotic macrophages. Traffic 2023; 24:284-307. [PMID: 37129279 DOI: 10.1111/tra.12888] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 03/29/2023] [Accepted: 04/20/2023] [Indexed: 05/03/2023]
Abstract
A key event in atherogenesis is the formation of lipid-loaded macrophages, lipidotic cells, which exhibit irreversible accumulation of undigested modified low-density lipoproteins (LDL) in lysosomes. This event culminates in the loss of cell homeostasis, inflammation, and cell death. Nevertheless, the exact chemical etiology of atherogenesis and the molecular and cellular mechanisms responsible for the impairment of lysosome function in plaque macrophages are still unknown. Here, we demonstrate that macrophages exposed to cholesteryl hemiazelate (ChA), one of the most prevalent products of LDL-derived cholesteryl ester oxidation, exhibit enlarged peripheral dysfunctional lysosomes full of undigested ChA and neutral lipids. Both lysosome area and accumulation of neutral lipids are partially irreversible. Interestingly, the dysfunctional peripheral lysosomes are more prone to fuse with the plasma membrane, secreting their undigested luminal content into the extracellular milieu with potential consequences for the pathology. We further demonstrate that this phenotype is mechanistically linked to the nuclear translocation of the MiT/TFE family of transcription factors. The induction of lysosome biogenesis by ChA appears to partially protect macrophages from lipid-induced cytotoxicity. In sum, our data show that ChA is involved in the etiology of lysosome dysfunction and promotes the exocytosis of these organelles. This latter event is a new mechanism that may be important in the pathogenesis of atherosclerosis.
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Affiliation(s)
- Neuza Domingues
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - André R A Marques
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Rita Diogo Almeida Calado
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Inês S Ferreira
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Cristiano Ramos
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - José Ramalho
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Maria I L Soares
- CQC and Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Telmo Pereira
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Luís Oliveira
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - José R Vicente
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Louise H Wong
- Department of Cell Biology, UCL Institute of Ophthalmology, London, UK
| | - Inês C M Simões
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | | | - Andrew Peden
- Department of Biomedical Science & Center for Membrane Interactions and Dynamics, University of Sheffield, UK
| | - Cláudia Guimas Almeida
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Clare E Futter
- Department of Cell Biology, UCL Institute of Ophthalmology, London, UK
| | - Rosa Puertollano
- Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, Maryland, USA
| | - Winchil L C Vaz
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Otília V Vieira
- iNOVA4Health, NOVA Medical School | Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Lisbon, Portugal
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48
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Lecis D, Massaro G, Benedetto D, Di Luozzo M, Russo G, Mauriello A, Federici M, Sangiorgi GM. Immunomodulation Therapies for Atherosclerosis: The Past, the Present, and the Future. Int J Mol Sci 2023; 24:10979. [PMID: 37446157 PMCID: PMC10342012 DOI: 10.3390/ijms241310979] [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: 05/28/2023] [Revised: 06/26/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
Atherosclerotic cardiovascular disease is the most common cause of morbidity and death worldwide. Recent studies have demonstrated that this chronic inflammatory disease of the arterial wall can be controlled through the modulation of immune system activity. Many patients with cardiovascular disease remain at elevated risk of recurrent events despite receiving current, state-of-the-art preventive medical treatment. Much of this residual risk is attributed to inflammation. Therefore, finding new treatment strategies for this category of patients became of common interest. This review will discuss the experimental and clinical data supporting the possibility of developing immune-based therapies for lowering cardiovascular risk, explicitly focusing on vaccination strategies.
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Affiliation(s)
- Dalgisio Lecis
- Division of Cardiology, “Tor Vergata” University Hospital, Viale Oxford 81, 00133 Rome, Italy; (G.M.); (D.B.); (M.D.L.); (G.R.)
| | - Gianluca Massaro
- Division of Cardiology, “Tor Vergata” University Hospital, Viale Oxford 81, 00133 Rome, Italy; (G.M.); (D.B.); (M.D.L.); (G.R.)
| | - Daniela Benedetto
- Division of Cardiology, “Tor Vergata” University Hospital, Viale Oxford 81, 00133 Rome, Italy; (G.M.); (D.B.); (M.D.L.); (G.R.)
| | - Marco Di Luozzo
- Division of Cardiology, “Tor Vergata” University Hospital, Viale Oxford 81, 00133 Rome, Italy; (G.M.); (D.B.); (M.D.L.); (G.R.)
| | - Giulio Russo
- Division of Cardiology, “Tor Vergata” University Hospital, Viale Oxford 81, 00133 Rome, Italy; (G.M.); (D.B.); (M.D.L.); (G.R.)
| | - Alessandro Mauriello
- Department of Experimental Medicine, University “Tor Vergata”, 00133 Rome, Italy;
| | - Massimo Federici
- Department of Systemic Medicine, University “Tor Vergata”, 00133 Rome, Italy;
| | - Giuseppe Massimo Sangiorgi
- Division of Cardiology, “Tor Vergata” University Hospital, Viale Oxford 81, 00133 Rome, Italy; (G.M.); (D.B.); (M.D.L.); (G.R.)
- Department of Biomedicine and Prevention, “Tor Vergata” University of Rome, 00133 Rome, Italy
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49
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Yang J, Wang M, Zheng S, Huang R, Wen G, Zhou P, Wang W, Zhou S, Jiang X, Liu S, Li Z, Ma D, Jiao G. Mesoporous polydopamine delivering 8-gingerol for the target and synergistic treatment to the spinal cord injury. J Nanobiotechnology 2023; 21:192. [PMID: 37316835 DOI: 10.1186/s12951-023-01896-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 04/15/2023] [Indexed: 06/16/2023] Open
Abstract
In the treatment of spinal cord injury (SCI), the complex process of secondary injury is mainly responsible for preventing SCI repair or even exacerbating the injury. In this experiment, we constructed the 8-gingerol (8G)-loaded mesoporous polydopamine (M-PDA), M@8G, as the in vivo targeting nano-delivery platform, and investigated the therapeutic effects of M@8G in secondary SCI and its related mechanisms. The results indicated that M@8G could penetrate the blood-spinal cord barrier to enrich the spinal cord injury site. Mechanism research has shown that all of the M-PDA,8G and M@8G displayed the anti-lipid peroxidation effect, and then M@8G can inhibit the secondary SCI by suppressing the ferroptosis and inflammation. In vivo assays showed that M@8G significantly diminished the local injury area, reduced axonal and myelin loss, thus improving the neurological and motor recovery in rats. Based on the analysis of cerebrospinal fluid samples from patients, ferroptosis occurred locally in SCI and continued to progress in patients during the acute phase of SCI as well as the stage after their clinical surgery. This study showcases effective treatment of SCI through the aggregation and synergistic effect of M@8G in focal areas, providing a safe and promising strategy for the clinical treatment of SCI.
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Affiliation(s)
- Jinpei Yang
- Department of Orthopaedics, the First Affiliated Hospital of Jinan University, Jinan University, 613 Huangpu Avenue West Road, Guangzhou, 510630, Guangdong, China
- Department of Orthopaedics, Huizhou Third People's Hospital, Guangzhou Medical University, Huizhou, 516002, Guangdong, China
- The Sixth Affiliated Hospital of Jinan University, Jinan University, Dongguan, 523573, Guangdong, China
| | - Meng Wang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University Guangzhou, Guangzhou, 510632, China
| | - Shuai Zheng
- Department of Orthopaedics, the First Affiliated Hospital of Jinan University, Jinan University, 613 Huangpu Avenue West Road, Guangzhou, 510630, Guangdong, China
| | - Ruodong Huang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University Guangzhou, Guangzhou, 510632, China
| | - Ganjun Wen
- The Sixth Affiliated Hospital of Jinan University, Jinan University, Dongguan, 523573, Guangdong, China
| | - Pan Zhou
- Department of Orthopaedics, the First Affiliated Hospital of Jinan University, Jinan University, 613 Huangpu Avenue West Road, Guangzhou, 510630, Guangdong, China
| | - Wenbo Wang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University Guangzhou, Guangzhou, 510632, China
| | - Shihao Zhou
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University Guangzhou, Guangzhou, 510632, China
| | - Xinlin Jiang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University Guangzhou, Guangzhou, 510632, China
| | - Shuangjiang Liu
- Department of Orthopaedics, the First Affiliated Hospital of Jinan University, Jinan University, 613 Huangpu Avenue West Road, Guangzhou, 510630, Guangdong, China
| | - Zhizhong Li
- Department of Orthopaedics, the First Affiliated Hospital of Jinan University, Jinan University, 613 Huangpu Avenue West Road, Guangzhou, 510630, Guangdong, China.
- The Fifth Affiliated Hospital of Jinan University, Jinan University, Heyuan, 51700, Guangdong, China.
| | - Dong Ma
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University Guangzhou, Guangzhou, 510632, China.
- MOE Key Laboratory of Tumor Molecular Biology, Jinan University, Guangzhou, 510632, China.
| | - Genlong Jiao
- Department of Orthopaedics, the First Affiliated Hospital of Jinan University, Jinan University, 613 Huangpu Avenue West Road, Guangzhou, 510630, Guangdong, China.
- The Sixth Affiliated Hospital of Jinan University, Jinan University, Dongguan, 523573, Guangdong, China.
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50
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Cervantes J, Kanter JE. Monocyte and macrophage foam cells in diabetes-accelerated atherosclerosis. Front Cardiovasc Med 2023; 10:1213177. [PMID: 37378396 PMCID: PMC10291141 DOI: 10.3389/fcvm.2023.1213177] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023] Open
Abstract
Diabetes results in an increased risk of atherosclerotic cardiovascular disease. This minireview will discuss whether monocyte and macrophage lipid loading contribute to this increased risk, as monocytes and macrophages are critically involved in the progression of atherosclerosis. Both uptake and efflux pathways have been described as being altered by diabetes or conditions associated with diabetes, which may contribute to the increased accumulation of lipids seen in macrophages in diabetes. More recently, monocytes have also been described as lipid-laden in response to elevated lipids, including triglyceride-rich lipoproteins, the class of lipids often elevated in the setting of diabetes.
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Affiliation(s)
| | - Jenny E. Kanter
- Department of Medicine, UW Medicine Diabetes Institute, University of Washington, Seattle, WA, United States
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