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Zhang R, Hu K, Bai H, Liu H, Pu Y, Yang C, Liu Q, Fan P. Increased oxidative stress is associated with hyperandrogenemia in polycystic ovary syndrome evidenced by oxidized lipoproteins stimulating rat ovarian androgen synthesis in vitro. Endocrine 2024; 84:1238-1249. [PMID: 38374513 DOI: 10.1007/s12020-024-03726-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 02/02/2024] [Indexed: 02/21/2024]
Abstract
PURPOSE To determine the relationship between serum total testosterone (TT) levels and oxidative stress indices in patients with polycystic ovary syndrome (PCOS), and to investigate the effect of oxidative stress on androgen synthesis and its mechanism in rat ovarian theca-interstitial (T-I) cells. METHODS Clinical, hormonal, metabolic, and oxidative stress parameters were analyzed in a cross-sectional case-control study including 626 patients with PCOS and 296 controls. The effects of oxidized low-density lipoprotein (ox-LDL) and oxidized high-density lipoprotein (ox-HDL) on cell proliferation, TT secretion, and expression of key enzymes involved in testosterone synthesis were evaluated in T-I cells. RESULTS Serum TT levels were elevated with an increase in ox-LDL levels, whereas glutathione concentrations were lower in the high-TT subgroup than in the low-TT subgroup. The average ovarian volume and ox-LDL and malondialdehyde levels were significant predictors of TT levels in the multivariate regression models. In a rat ovarian T-I cell model, lipoprotein and oxidized lipoprotein treatments stimulated proliferation and promoted testosterone secretion. The mRNA and protein levels of 17α-hydroxylase were significantly higher in oxidized lipoprotein-treated cells than those in lipoprotein-treated cells. The mRNA levels of cholesterol side chain cleavage enzyme and steroidogenic acute regulatory protein were also significantly higher in ox-HDL-treated cells than in HDL-treated cells. CONCLUSIONS Oxidative stress can promote androgen production by up-regulating the expression of testosterone synthesis-related enzymes in vitro and may be an essential factor in elevating serum TT levels in patients with PCOS.
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Affiliation(s)
- Renjiao Zhang
- Laboratory of Genetic Disease and Perinatal Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Kaifeng Hu
- Laboratory of Genetic Disease and Perinatal Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Huai Bai
- Laboratory of Genetic Disease and Perinatal Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hongwei Liu
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yifu Pu
- Laboratory of Genetic Disease and Perinatal Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chunyi Yang
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qingqing Liu
- Laboratory of Genetic Disease and Perinatal Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ping Fan
- Laboratory of Genetic Disease and Perinatal Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China.
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Munno M, Mallia A, Greco A, Modafferi G, Banfi C, Eligini S. Radical Oxygen Species, Oxidized Low-Density Lipoproteins, and Lectin-like Oxidized Low-Density Lipoprotein Receptor 1: A Vicious Circle in Atherosclerotic Process. Antioxidants (Basel) 2024; 13:583. [PMID: 38790688 PMCID: PMC11118168 DOI: 10.3390/antiox13050583] [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: 04/16/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
Atherosclerosis is a complex condition that involves the accumulation of lipids and subsequent plaque formation in the arterial intima. There are various stimuli, cellular receptors, and pathways involved in this process, but oxidative modifications of low-density lipoprotein (ox-LDL) are particularly important in the onset and progression of atherosclerosis. Ox-LDLs promote foam-cell formation, activate proinflammatory pathways, and induce smooth-muscle-cell migration, apoptosis, and cell death. One of the major receptors for ox-LDL is LOX-1, which is upregulated in several cardiovascular diseases, including atherosclerosis. LOX-1 activation in endothelial cells promotes endothelial dysfunction and induces pro-atherogenic signaling, leading to plaque formation. The binding of ox-LDLs to LOX-1 increases the generation of reactive oxygen species (ROS), which can induce LOX-1 expression and oxidize LDLs, contributing to ox-LDL generation and further upregulating LOX-1 expression. This creates a vicious circle that is amplified in pathological conditions characterized by high plasma levels of LDLs. Although LOX-1 has harmful effects, the clinical significance of inhibiting this protein remains unclear. Further studies both in vitro and in vivo are needed to determine whether LOX-1 inhibition could be a potential therapeutic target to counteract the atherosclerotic process.
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Affiliation(s)
- Marco Munno
- Unit of Functional Proteomics, Metabolomics and Network Analysis, Centro Cardiologico Monzino, 20138 Milan, Italy; (M.M.); (A.M.); (A.G.); (G.M.); (S.E.)
| | - Alice Mallia
- Unit of Functional Proteomics, Metabolomics and Network Analysis, Centro Cardiologico Monzino, 20138 Milan, Italy; (M.M.); (A.M.); (A.G.); (G.M.); (S.E.)
- Dipartimento di Biologia e Biotecnologie “Lazzaro Spallanzani”, Università di Pavia, 27100 Pavia, Italy
| | - Arianna Greco
- Unit of Functional Proteomics, Metabolomics and Network Analysis, Centro Cardiologico Monzino, 20138 Milan, Italy; (M.M.); (A.M.); (A.G.); (G.M.); (S.E.)
| | - Gloria Modafferi
- Unit of Functional Proteomics, Metabolomics and Network Analysis, Centro Cardiologico Monzino, 20138 Milan, Italy; (M.M.); (A.M.); (A.G.); (G.M.); (S.E.)
| | - Cristina Banfi
- Unit of Functional Proteomics, Metabolomics and Network Analysis, Centro Cardiologico Monzino, 20138 Milan, Italy; (M.M.); (A.M.); (A.G.); (G.M.); (S.E.)
| | - Sonia Eligini
- Unit of Functional Proteomics, Metabolomics and Network Analysis, Centro Cardiologico Monzino, 20138 Milan, Italy; (M.M.); (A.M.); (A.G.); (G.M.); (S.E.)
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Han Y, Sun Q, Chen W, Gao Y, Ye J, Chen Y, Wang T, Gao L, Liu Y, Yang Y. New advances of adiponectin in regulating obesity and related metabolic syndromes. J Pharm Anal 2024; 14:100913. [PMID: 38799237 PMCID: PMC11127227 DOI: 10.1016/j.jpha.2023.12.003] [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: 09/08/2023] [Revised: 11/18/2023] [Accepted: 12/07/2023] [Indexed: 05/29/2024] Open
Abstract
Obesity and related metabolic syndromes have been recognized as important disease risks, in which the role of adipokines cannot be ignored. Adiponectin (ADP) is one of the key adipokines with various beneficial effects, including improving glucose and lipid metabolism, enhancing insulin sensitivity, reducing oxidative stress and inflammation, promoting ceramides degradation, and stimulating adipose tissue vascularity. Based on those, it can serve as a positive regulator in many metabolic syndromes, such as type 2 diabetes (T2D), cardiovascular diseases, non-alcoholic fatty liver disease (NAFLD), sarcopenia, neurodegenerative diseases, and certain cancers. Therefore, a promising therapeutic approach for treating various metabolic diseases may involve elevating ADP levels or activating ADP receptors. The modulation of ADP genes, multimerization, and secretion covers the main processes of ADP generation, providing a comprehensive orientation for the development of more appropriate therapeutic strategies. In order to have a deeper understanding of ADP, this paper will provide an all-encompassing review of ADP.
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Affiliation(s)
- Yanqi Han
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Qianwen Sun
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Wei Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Yue Gao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Jun Ye
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Yanmin Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Tingting Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Lili Gao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Yuling Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Yanfang Yang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- Beijing Key laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
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Jiang S, Xia N, Buonfiglio F, Böhm EW, Tang Q, Pfeiffer N, Olinger D, Li H, Gericke A. High-fat diet causes endothelial dysfunction in the mouse ophthalmic artery. Exp Eye Res 2024; 238:109727. [PMID: 37972749 DOI: 10.1016/j.exer.2023.109727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 10/27/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
Obesity is a significant health concern that leads to impaired vascular function and subsequent abnormalities in various organs. The impact of obesity on ocular blood vessels, however, remains largely unclear. In this study, we examined the hypothesis that obesity induced by high-fat diet produces vascular endothelial dysfunction in the ophthalmic artery. Mice were subjected to a high-fat diet for 20 weeks, while age-matched controls were maintained on a standard diet. Reactivity of isolated ophthalmic artery segments was assessed in vitro. Reactive oxygen species (ROS) were quantified in cryosections by dihydroethidium (DHE) staining. Redox gene expression was determined in ophthalmic artery explants by real-time PCR. Furthermore, the expression of nicotinamide adenine dinucleotide phosphate oxidase 2 (NOX2), the receptor for advanced glycation end products (RAGE), and of the lectin-like oxidized low-density-lipoprotein receptor-1 (LOX-1) was determined in cryosections using immunofluorescence microscopy. Ophthalmic artery segments from mice on a high-fat diet exhibited impaired vasodilation responses to the endothelium-dependent vasodilator acetylcholine, while endothelium-independent responses to nitroprusside remained preserved. DHE staining intensity in the vascular wall was notably stronger in mice on a high-fat diet. Messenger RNA expression for NOX2 was elevated in the ophthalmic artery of mice subjected to high fat diet. Likewise, immunostainings revealed increased expression of NOX2 and of RAGE, but not of LOX-1. These findings suggest that a high-fat diet triggers endothelial dysfunction by inducing oxidative stress in the ophthalmic artery via involvement of RAGE and NOX2.
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Affiliation(s)
- Subao Jiang
- Department of Ophthalmology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
| | - Ning Xia
- Department of Pharmacology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
| | - Francesco Buonfiglio
- Department of Ophthalmology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
| | - Elsa W Böhm
- Department of Ophthalmology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
| | - Qi Tang
- Department of Ophthalmology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
| | - Norbert Pfeiffer
- Department of Ophthalmology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
| | - Dominik Olinger
- Department of Pharmacology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
| | - Huige Li
- Department of Pharmacology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
| | - Adrian Gericke
- Department of Ophthalmology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
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Baaten CCFMJ, Vondenhoff S, Noels H. Endothelial Cell Dysfunction and Increased Cardiovascular Risk in Patients With Chronic Kidney Disease. Circ Res 2023; 132:970-992. [PMID: 37053275 PMCID: PMC10097498 DOI: 10.1161/circresaha.123.321752] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
The endothelium is considered to be the gatekeeper of the vessel wall, maintaining and regulating vascular integrity. In patients with chronic kidney disease, protective endothelial cell functions are impaired due to the proinflammatory, prothrombotic and uremic environment caused by the decline in kidney function, adding to the increase in cardiovascular complications in this vulnerable patient population. In this review, we discuss endothelial cell functioning in healthy conditions and the contribution of endothelial cell dysfunction to cardiovascular disease. Further, we summarize the phenotypic changes of the endothelium in chronic kidney disease patients and the relation of endothelial cell dysfunction to cardiovascular risk in chronic kidney disease. We also review the mechanisms that underlie endothelial changes in chronic kidney disease and consider potential pharmacological interventions that can ameliorate endothelial health.
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Affiliation(s)
- Constance C F M J Baaten
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Aachen, Germany (C.C.F.M.J.B., S.V., H.N.)
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands (C.C.F.M.J.B., H.N.)
| | - Sonja Vondenhoff
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Aachen, Germany (C.C.F.M.J.B., S.V., H.N.)
| | - Heidi Noels
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Aachen, Germany (C.C.F.M.J.B., S.V., H.N.)
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands (C.C.F.M.J.B., H.N.)
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Prado Y, Echeverría C, Feijóo CG, Riedel CA, Cabello-Verrugio C, Santibanez JF, Simon F. Effect of Dietary Supplements with ω-3 Fatty Acids, Ascorbic Acid, and Polyphenolic Antioxidant Flavonoid on Gene Expression, Organ Failure, and Mortality in Endotoxemia-Induced Septic Rats. Antioxidants (Basel) 2023; 12:antiox12030659. [PMID: 36978907 PMCID: PMC10044831 DOI: 10.3390/antiox12030659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/03/2023] [Accepted: 03/04/2023] [Indexed: 03/09/2023] Open
Abstract
Sepsis syndrome develops through enhanced secretion of pro-inflammatory cytokines and the generation of reactive oxygen species (ROS). Sepsis syndrome is characterized by vascular hyperpermeability, hypotension, multiple organ dysfunction syndrome (MODS), and increased mortality, among others. Endotoxemia-derived sepsis is an important cause of sepsis syndrome. During endotoxemia, circulating endotoxin interacts with endothelial cells (ECs), inducing detrimental effects on endothelium function. The endotoxin induces the conversion of ECs into fibroblasts, which are characterized by a massive change in the endothelial gene-expression pattern. This downregulates the endothelial markers and upregulates fibrotic proteins, mesenchymal transcription factors, and extracellular matrix proteins, producing endothelial fibrosis. Sepsis progression is modulated by the consumption of specific nutrients, including ω-3 fatty acids, ascorbic acid, and polyphenolic antioxidant flavonoids. However, the underlying mechanism is poorly described. The notion that gene expression is modulated during inflammatory conditions by nutrient consumption has been reported. However, it is not known whether nutrient consumption modulates the fibrotic endothelial gene-expression pattern during sepsis as a mechanism to decrease vascular hyperpermeability, hypotension, MODS, and mortality. Therefore, the aim of this study was to investigate the impact of the consumption of dietary ω-3 fatty acids, ascorbic acid, and polyphenolic antioxidant flavonoid supplements on the modulation of fibrotic endothelial gene-expression patterns during sepsis and to determine the effects on sepsis outcomes. Our results indicate that the consumption of supplements based on ω-3 fatty acids and polyphenolic antioxidant flavonoids was effective for improving endotoxemia outcomes through prophylactic ingestion and therapeutic usage. Thus, our findings indicated that specific nutrient consumption improves sepsis outcomes and should be considered in treatment.
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Affiliation(s)
- Yolanda Prado
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago 8370186, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile
| | - Cesar Echeverría
- Laboratory of Molecular Biology, Nanomedicine and Genomics, Faculty of Medicine, University of Atacama, Copiapo 1532502, Chile
| | - Carmen G. Feijóo
- Fish Immunology Laboratory, Faculty of Life Sciences, Universidad Andres Bello, Santiago 8370186, Chile
| | - Claudia A. Riedel
- Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile
- Laboratory of Endocrinology-Immunology, Faculty of Life Sciences, Universidad Andres Bello, Santiago 8370186, Chile
| | - Claudio Cabello-Verrugio
- Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile
- Laboratory of Muscle Pathology, Fragility and Aging, Faculty of Life Sciences, Universidad Andres Bello, Santiago 8370186, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago 8350709, Chile
| | - Juan F. Santibanez
- Institute for Medical Research, National Institute of the Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia
- Integrative Center for Biology and Applied Chemistry (CIBQA), Bernardo O’Higgins University, Santiago 8370993, Chile
| | - Felipe Simon
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago 8370186, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile
- Millennium Nucleus of Ion Channel-Associated Diseases, Santiago 8380453, Chile
- Correspondence: ; Tel.: +562-2661-5653
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Prado Y, Pérez L, Eltit F, Echeverría C, Llancalahuen FM, Tapia P, González PA, Kalergis AM, Cabello-Verrugio C, Simon F. Procoagulant phenotype induced by oxidized high-density lipoprotein associates with acute kidney injury and death. Thromb Res 2023; 223:7-23. [PMID: 36689805 DOI: 10.1016/j.thromres.2023.01.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/12/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023]
Abstract
BACKGROUND Oxidative stress derived from severe systemic inflammation promotes conversion from high-density lipoprotein HDL to oxidized HDL (oxHDL), which interacts with vascular endothelial cells (ECs). OxHDL acquires procoagulant features playing a role in modulating coagulation, which has been linked with organ failure in ICU patients. However, whether oxHDL elicits a ECs-mediated procoagulant phenotype generating organ failure and death, and the underlying molecular mechanism is not known. Therefore, we studied whether oxHDL-treated rats and high-oxHDL ICU patients exhibit a procoagulant phenotype and its association with kidney injury and mortality and the endothelial underlying molecular mechanism. METHODS Human ECs, oxHDL-treated rats and ICU patients were subjected to several cellular and molecular studies, coagulation analyses, kidney injury assessment and mortality determination. RESULTS OxHDL-treated ECs showed a procoagulant protein expression reprograming characterized by increased E-/P-selectin and vWF mRNA expression through specific signaling pathways. OxHDL-treated rats exhibited a procoagulant phenotype and modified E-/P-selectin, vWF, TF and t-PA mRNA expression correlating with plasma TF, t-PA and D-dimer. Also, showed increased death events and the relative risk of death, and increased creatinine, urea, BUN/creatinine ratio, KIM-1, NGAL, β2M, and decreased eGFR, all concordant with kidney injury, correlated with plasma TF, t-PA and D-dimer. ICU patients showed correlation between plasma oxHDL and increased creatinine, cystatin, BUN, BUN/creatinine ratio, KIM-1, NGAL, β2M, and decreased GFR. Notably, ICU high-oxHDL patients showed decreased survival. Interestingly, altered coagulation factors TF, t-PA and D-dimer correlated with both increased oxHDL levels and kidney injury markers, indicating a connection between these factors. CONCLUSION Increased circulating oxHDL generates an endothelial-dependent procoagulant phenotype that associates with acute kidney injury and increased risk of death.
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Affiliation(s)
- Yolanda Prado
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile; Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Lorena Pérez
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
| | - Felipe Eltit
- Department of Materials Engineering, University of British Columbia, Vancouver, Canada; School of Biomedical Engineering, University of British Columbia, Vancouver, Canada; Centre for Hip Health and Mobility, Vancouver, BC, Canada
| | | | - Felipe M Llancalahuen
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile; Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Pablo Tapia
- Unidad de Paciente Crítico Adulto, Hospital Clínico La Florida, La Florida, Santiago, Chile
| | - Pablo A González
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile; Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alexis M Kalergis
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile; Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile; Departamento de Endocrinología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Claudio Cabello-Verrugio
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile; Laboratory of Muscle Pathology, Fragility and Aging, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile; Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile.
| | - Felipe Simon
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile; Millennium Institute on Immunology and Immunotherapy, Santiago, Chile; Millennium Nucleus of Ion Channel-Associated Diseases, Santiago, Chile.
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Sepsis-Induced Coagulopathy Phenotype Induced by Oxidized High-Density Lipoprotein Associated with Increased Mortality in Septic-Shock Patients. Antioxidants (Basel) 2023; 12:antiox12030543. [PMID: 36978791 PMCID: PMC10045333 DOI: 10.3390/antiox12030543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/08/2023] [Accepted: 02/15/2023] [Indexed: 02/25/2023] Open
Abstract
Sepsis syndrome is a highly lethal uncontrolled response to an infection, which is characterized by sepsis-induced coagulopathy (SIC). High-density lipoprotein (HDL) exhibits antithrombotic activity, regulating coagulation in vascular endothelial cells. Sepsis induces the release of several proinflammatory molecules, including reactive oxygen species, which lead to an increase in oxidative stress in blood vessels. Thus, circulating lipoproteins, such as HDL, are oxidized to oxHDL, which promotes hemostatic dysfunction, acquiring prothrombotic properties linked to the severity of organ failure in septic-shock patients (SSP). However, a rigorous and comprehensive investigation demonstrating that oxHDL is associated with a coagulopathy-associated deleterious outcome of SSP, has not been reported. Thus, we investigated the participation of plasma oxHDL in coagulopathy-associated sepsis pathogenesis and elucidated the underlying molecular mechanism. A prospective study was conducted on 42 patients admitted to intensive care units, (26 SSP and 16 non-SSP) and 39 healthy volunteers. We found that an increased plasma oxHDL level in SSP was associated with a prothrombotic phenotype, increased mortality and elevated risk of death, which predicts mortality in SSP. The underlying mechanism indicates that oxHDL triggers an endothelial protein expression reprogramming of coagulation factors and procoagulant adhesion proteins, to produce a prothrombotic environment, mainly mediated by the endothelial LOX-1 receptor. Our study demonstrates that an increased plasma oxHDL level is associated with coagulopathy in SSP through a mechanism involving the endothelial LOX-1 receptor and endothelial protein expression regulation. Therefore, the plasma oxHDL level plays a role in the molecular mechanism associated with increased mortality in SSP.
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9
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Denimal D, Monier S, Bouillet B, Vergès B, Duvillard L. High-Density Lipoprotein Alterations in Type 2 Diabetes and Obesity. Metabolites 2023; 13:metabo13020253. [PMID: 36837872 PMCID: PMC9967905 DOI: 10.3390/metabo13020253] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Alterations affecting high-density lipoproteins (HDLs) are one of the various abnormalities observed in dyslipidemia in type 2 diabetes mellitus (T2DM) and obesity. Kinetic studies have demonstrated that the catabolism of HDL particles is accelerated. Both the size and the lipidome and proteome of HDL particles are significantly modified, which likely contributes to some of the functional defects of HDLs. Studies on cholesterol efflux capacity have yielded heterogeneous results, ranging from a defect to an improvement. Several studies indicate that HDLs are less able to inhibit the nuclear factor kappa-B (NF-κB) proinflammatory pathway, and subsequently, the adhesion of monocytes on endothelium and their recruitment into the subendothelial space. In addition, the antioxidative function of HDL particles is diminished, thus facilitating the deleterious effects of oxidized low-density lipoproteins on vasculature. Lastly, the HDL-induced activation of endothelial nitric oxide synthase is less effective in T2DM and metabolic syndrome, contributing to several HDL functional defects, such as an impaired capacity to promote vasodilatation and endothelium repair, and difficulty counteracting the production of reactive oxygen species and inflammation.
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Affiliation(s)
- Damien Denimal
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
- Department of Biochemistry, CHU Dijon Bourgogne, 21000 Dijon, France
- Correspondence:
| | - Serge Monier
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
| | - Benjamin Bouillet
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
- Department of Endocrinology and Diabetology, CHU Dijon Bourgogne, 21000 Dijon, France
| | - Bruno Vergès
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
- Department of Endocrinology and Diabetology, CHU Dijon Bourgogne, 21000 Dijon, France
| | - Laurence Duvillard
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
- Department of Biochemistry, CHU Dijon Bourgogne, 21000 Dijon, France
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10
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Rojas M, Prado Y, Tapia P, Carreño LJ, Cabello-Verrugio C, Simon F. Oxidized High-Density Lipoprotein Induces Endothelial Fibrosis Promoting Hyperpermeability, Hypotension, and Increased Mortality. Antioxidants (Basel) 2022; 11:antiox11122469. [PMID: 36552677 PMCID: PMC9774523 DOI: 10.3390/antiox11122469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/09/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
During systemic inflammation, reactive oxygen species (ROS) are generated in the bloodstream, producing large amounts of oxidized HDL (oxHDL). OxHDL loses the vascular protective features of native HDL, acquiring detrimental actions. Systemic inflammation promotes endothelial fibrosis, characterized by adhesion protein downregulation and fibrotic-specific gene upregulation, disrupting endothelial monolayer integrity. Severe systemic inflammatory conditions, as found in critically ill patients in the intensive care unit (ICU), exhibit endothelial hyperpermeability, hypotension, and organ hypoperfusion, promoting organ dysfunction and increased mortality. Because endothelial fibrosis disturbs the endothelium, it is proposed that it is the cellular and molecular origin of endothelial hyperpermeability and the subsequent deleterious consequences. However, whether oxHDL is involved in this process is unknown. The aim of this study was to investigate the fibrotic effect of oxHDL on the endothelium, to elucidate the underlying molecular and cellular mechanism, and to determine its effects on vascular permeability, blood pressure, and mortality. The results showed that oxHDL induces endothelial fibrosis through the LOX-1/NOX-2/ROS/NF-κB pathway, TGF-β secretion, and ALK-5/Smad activation. OxHDL-treated rats showed endothelial hyperpermeability, hypotension, and an enhanced risk of death and mortality, which was prevented using an ALK-5 inhibitor and antioxidant diet consumption. Additionally, the ICU patients showed fibrotic endothelial cells, and the resuscitation fluid volume administered correlated with the plasma oxHDL levels associated with an elevated risk of death and mortality. We conclude that oxHDL generates endothelial fibrosis, impacting blood pressure regulation and survival.
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Affiliation(s)
- Macarena Rojas
- Laboratory of Integrative Physiopathology, Faculty of Life Science, Universidad Andres Bello, Santiago 8370186, Chile
| | - Yolanda Prado
- Laboratory of Integrative Physiopathology, Faculty of Life Science, Universidad Andres Bello, Santiago 8370186, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile
| | - Pablo Tapia
- Unidad de Paciente Crítico Adulto, Hospital Clínico La Florida, La Florida, Santiago 8242238, Chile
| | - Leandro J. Carreño
- Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile
- Programa de Inmunología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile
| | - Claudio Cabello-Verrugio
- Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile
- Laboratory of Muscle Pathology, Fragility and Aging, Faculty of Life Science, Universidad Andres Bello, Santiago 8370186, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago 9170020, Chile
- Correspondence: (C.C.-V.); (F.S.); Tel.: +56-2-2770-3665 (C.C.-V.); +56-2-2661-5653 (F.S.)
| | - Felipe Simon
- Laboratory of Integrative Physiopathology, Faculty of Life Science, Universidad Andres Bello, Santiago 8370186, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile
- Millennium Nucleus of Ion Channel-Associated Diseases (MiNICAD), Santiago 8380453, Chile
- Correspondence: (C.C.-V.); (F.S.); Tel.: +56-2-2770-3665 (C.C.-V.); +56-2-2661-5653 (F.S.)
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11
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Soluble Epoxide Hydrolase Inhibitor t-AUCB Ameliorates Vascular Endothelial Dysfunction by Influencing the NF-κB/miR-155-5p/eNOS/NO/IκB Cycle in Hypertensive Rats. Antioxidants (Basel) 2022; 11:antiox11071372. [PMID: 35883863 PMCID: PMC9311992 DOI: 10.3390/antiox11071372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/09/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022] Open
Abstract
Epoxyeicosatrienoic acids (EETs), angiogenic mediators degraded by soluble epoxide hydrolase (sEH), have been shown to exert beneficial effects on the cardiovascular system. The current study assessed the impact of increased EETs with an sEH inhibitor, t-AUCB, on two-kidney-one-clip (2K1C)-induced renovascular endothelial dysfunction, associated with hypertension, in rats. The hypertensive rats exhibited increased systolic blood pressure, reduced renal blood flow, impaired endothelium-dependent relaxation and eNOS phosphorylation in the renal arteries, elevated ROS production in the endothelium of the renal arteries, and decreased EET levels in plasma, the renal arteries, and endothelial cells; however, t-AUCB reversed all the deleterious effects. Moreover, we found that the stimulation of AMPK/UCP2 scavenged ROS and restored endothelial function in the renal arteries of hypertensive rats undergoing therapy with t-AUCB. In addition, we were the first to reveal the potential role of miR-155-5p in the occurrence and development of vascular endothelial dysfunction in hypertension. Importantly, t-AUCB recovered NO bioavailability by regulating the NF-κB/miR-155-5p/eNOS/NO/IκB cycle after the activation of AMPK/UCP2 and the subsequent inhibition of ROS in hypertensive rat renal artery endothelial cells. This study will provide evidence for this additional new mechanism, underlying the benefits of EETs and the related agents against hypertensive vasculopathy.
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12
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Zocchi M, Della Porta M, Lombardoni F, Scrimieri R, Zuccotti GV, Maier JA, Cazzola R. A Potential Interplay between HDLs and Adiponectin in Promoting Endothelial Dysfunction in Obesity. Biomedicines 2022; 10:biomedicines10061344. [PMID: 35740366 PMCID: PMC9220412 DOI: 10.3390/biomedicines10061344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/04/2022] [Accepted: 06/06/2022] [Indexed: 12/11/2022] Open
Abstract
Obesity is an epidemic public health problem that has progressively worsened in recent decades and is associated with low-grade chronic inflammation (LGCI) in metabolic tissues and an increased risk of several diseases. In particular, LGCI alters metabolism and increases cardiovascular risk by impairing endothelial function and altering the functions of adiponectin and high-density lipoproteins (HDLs). Adiponectin is an adipokine involved in regulating energy metabolism and body composition. Serum adiponectin levels are reduced in obese individuals and negatively correlate with chronic sub-clinical inflammatory markers. HDLs are a heterogeneous and complex class of lipoproteins that can be dysfunctional in obesity. Adiponectin and HDLs are strictly interdependent, and the maintenance of their interplay is essential for vascular function. Since such a complex network of interactions is still overlooked in clinical settings, this review aims to highlight the mechanisms involved in the impairment of the HDLs/adiponectin axis in obese patients to predict the risk of cardiovascular diseases and activate preventive countermeasures. Here, we provide a narrative review of the role of LGCI in altering HDLs, adiponectin and endothelial functions in obesity to encourage new studies about their synergic effects on cardiovascular health and disease.
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Affiliation(s)
- Monica Zocchi
- Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20157 Milan, Italy; (M.Z.); (M.D.P.); (F.L.); (R.S.); (G.V.Z.); (J.A.M.)
| | - Matteo Della Porta
- Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20157 Milan, Italy; (M.Z.); (M.D.P.); (F.L.); (R.S.); (G.V.Z.); (J.A.M.)
| | - Federico Lombardoni
- Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20157 Milan, Italy; (M.Z.); (M.D.P.); (F.L.); (R.S.); (G.V.Z.); (J.A.M.)
| | - Roberta Scrimieri
- Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20157 Milan, Italy; (M.Z.); (M.D.P.); (F.L.); (R.S.); (G.V.Z.); (J.A.M.)
| | - Gian Vincenzo Zuccotti
- Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20157 Milan, Italy; (M.Z.); (M.D.P.); (F.L.); (R.S.); (G.V.Z.); (J.A.M.)
- Department of Pediatrics, Ospedale dei Bambini, 20154 Milan, Italy
| | - Jeanette A. Maier
- Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20157 Milan, Italy; (M.Z.); (M.D.P.); (F.L.); (R.S.); (G.V.Z.); (J.A.M.)
| | - Roberta Cazzola
- Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20157 Milan, Italy; (M.Z.); (M.D.P.); (F.L.); (R.S.); (G.V.Z.); (J.A.M.)
- Correspondence:
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13
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Lorey MB, Öörni K, Kovanen PT. Modified Lipoproteins Induce Arterial Wall Inflammation During Atherogenesis. Front Cardiovasc Med 2022; 9:841545. [PMID: 35310965 PMCID: PMC8927694 DOI: 10.3389/fcvm.2022.841545] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 01/26/2022] [Indexed: 12/15/2022] Open
Abstract
Circulating apolipoprotein B-containing lipoproteins, notably the low-density lipoproteins, enter the inner layer of the arterial wall, the intima, where a fraction of them is retained and modified by proteases, lipases, and oxidizing agents and enzymes. The modified lipoproteins and various modification products, such as fatty acids, ceramides, lysophospholipids, and oxidized lipids induce inflammatory reactions in the macrophages and the covering endothelial cells, initiating an increased leukocyte diapedesis. Lipolysis of the lipoproteins also induces the formation of cholesterol crystals with strong proinflammatory properties. Modified and aggregated lipoproteins, cholesterol crystals, and lipoproteins isolated from human atherosclerotic lesions, all can activate macrophages and thereby induce the secretion of proinflammatory cytokines, chemokines, and enzymes. The extent of lipoprotein retention, modification, and aggregation have been shown to depend largely on differences in the composition of the circulating lipoprotein particles. These properties can be modified by pharmacological means, and thereby provide opportunities for clinical interventions regarding the prevention and treatment of atherosclerotic vascular diseases.
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Affiliation(s)
- Martina B. Lorey
- Atherosclerosis Research Laboratory, Wihuri Research Institute, Helsinki, Finland
- Molecular and Integrative Biosciences, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Katariina Öörni
- Atherosclerosis Research Laboratory, Wihuri Research Institute, Helsinki, Finland
- Molecular and Integrative Biosciences, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
- *Correspondence: Katariina Öörni
| | - Petri T. Kovanen
- Atherosclerosis Research Laboratory, Wihuri Research Institute, Helsinki, Finland
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14
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Kim Y, Cho AY, Kim HC, Ryu D, Jo SA, Jung YS. Effects of Natural Polyphenols on Oxidative Stress-Mediated Blood–Brain Barrier Dysfunction. Antioxidants (Basel) 2022; 11:antiox11020197. [PMID: 35204080 PMCID: PMC8868362 DOI: 10.3390/antiox11020197] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/14/2022] [Accepted: 01/17/2022] [Indexed: 02/01/2023] Open
Abstract
The blood-brain barrier (BBB), which consists mainly of brain microvascular endothelial cells and astrocytes connected by tight junctions (TJs) and adhesion molecules (AMs), maintains the homeostatic balance between brain parenchyma and extracellular fluid. Accumulating evidence shows that BBB dysfunction is a common feature of neurodegenerative diseases, including stroke, traumatic brain injury, and Alzheimer’s disease. Among the various pathological pathways of BBB dysfunction, reactive oxygen species (ROS) are known to play a key role in inducing BBB disruption mediated via TJ modification, AM induction, cytoskeletal reorganization, and matrix metalloproteinase activation. Thus, antioxidants have been suggested to exert beneficial effects on BBB dysfunction-associated brain diseases. In this review, we summarized the sources of ROS production in multiple cells that constitute or surround the BBB, such as BBB endothelial cells, astrocytes, microglia, and neutrophils. We also reviewed various pathological mechanisms by which BBB disruption is caused by ROS in these cells. Finally, we summarized the effects of various natural polyphenols on BBB dysfunction to suggest a therapeutic strategy for BBB disruption-related brain diseases.
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Affiliation(s)
- Yeonjae Kim
- College of Pharmacy, Ajou University, Suwon 16499, Korea; (Y.K.); (A.Y.C.); (H.C.K.); (D.R.)
- Research Institute of Pharmaceutical Sciences and Technology, Ajou University, Suwon 16499, Korea
| | - A Yeon Cho
- College of Pharmacy, Ajou University, Suwon 16499, Korea; (Y.K.); (A.Y.C.); (H.C.K.); (D.R.)
| | - Hong Cheol Kim
- College of Pharmacy, Ajou University, Suwon 16499, Korea; (Y.K.); (A.Y.C.); (H.C.K.); (D.R.)
| | - Dajung Ryu
- College of Pharmacy, Ajou University, Suwon 16499, Korea; (Y.K.); (A.Y.C.); (H.C.K.); (D.R.)
- Research Institute of Pharmaceutical Sciences and Technology, Ajou University, Suwon 16499, Korea
| | - Sangmee Ahn Jo
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Korea;
- Department of Pharmacology, College of Pharmacy, Dankook University, Cheonan 31116, Korea
| | - Yi-Sook Jung
- College of Pharmacy, Ajou University, Suwon 16499, Korea; (Y.K.); (A.Y.C.); (H.C.K.); (D.R.)
- Research Institute of Pharmaceutical Sciences and Technology, Ajou University, Suwon 16499, Korea
- Correspondence: ; Tel.: +82-31-219-3444
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15
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Combadière B, Adam L, Guillou N, Quentric P, Rosenbaum P, Dorgham K, Bonduelle O, Parizot C, Sauce D, Mayaux J, Luyt CE, Boissonnas A, Amoura Z, Pourcher V, Miyara M, Gorochov G, Guihot A, Combadière C. LOX-1-Expressing Immature Neutrophils Identify Critically-Ill COVID-19 Patients at Risk of Thrombotic Complications. Front Immunol 2021; 12:752612. [PMID: 34616409 PMCID: PMC8488276 DOI: 10.3389/fimmu.2021.752612] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/07/2021] [Indexed: 12/23/2022] Open
Abstract
Background Lymphopenia and the neutrophil/lymphocyte ratio may have prognostic value in COVID-19 severity. Objective We investigated neutrophil subsets and functions in blood and bronchoalveolar lavage (BAL) of COVID-19 patients on the basis of patients’ clinical characteristics. Methods We used a multiparametric cytometry profiling based to mature and immature neutrophil markers in 146 critical or severe COVID-19 patients. Results The Discovery study (38 patients, first pandemic wave) showed that 80% of Intensive Care Unit (ICU) patients develop strong myelemia with CD10−CD64+ immature neutrophils (ImNs). Cellular profiling revealed three distinct neutrophil subsets expressing either the lectin‐like oxidized low‐density lipoprotein receptor‐1 (LOX‐1), the interleukin-3 receptor alpha (CD123), or programmed death-ligand 1 (PD-L1) overrepresented in ICU patients compared to non-ICU patients. The proportion of LOX-1- or CD123-expressing ImNs is positively correlated with clinical severity, cytokine storm (IL-1β, IL-6, IL-8, TNFα), acute respiratory distress syndrome (ARDS), and thrombosis. BALs of patients with ARDS were highly enriched in LOX-1-expressing ImN subsets and in antimicrobial neutrophil factors. A validation study (118 patients, second pandemic wave) confirmed and strengthened the association of the proportion of ImN subsets with disease severity, invasive ventilation, and death. Only high proportions of LOX-1-expressing ImNs remained strongly associated with a high risk of severe thrombosis independently of the plasma antimicrobial neutrophil factors, suggesting an independent association of ImN markers with their functions. Conclusion LOX-1-expressing ImNs may help identifying COVID-19 patients at high risk of severity and thrombosis complications.
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Affiliation(s)
- Behazine Combadière
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Lucille Adam
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Noëlline Guillou
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Paul Quentric
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France.,Assistance Publique - Hôpitaux de Paris (AP-HP), Groupement Hospitalier Pitié-Salpêtrière, Département d'Immunologie, Paris, France
| | - Pierre Rosenbaum
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Karim Dorgham
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Olivia Bonduelle
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Christophe Parizot
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France.,Assistance Publique - Hôpitaux de Paris (AP-HP), Groupement Hospitalier Pitié-Salpêtrière, Département d'Immunologie, Paris, France
| | - Delphine Sauce
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Julien Mayaux
- Assistance Publique - Hôpitaux de Paris (AP-HP), Groupement Hospitalier Pitié-Salpêtrière, Service de Pneumologie, Médecine Intensive et Réanimation, Paris, France
| | - Charles-Edouard Luyt
- Service de Médecine Intensive Réanimation, Institut de Cardiologie, Assistance Publique - Hôpitaux de Paris (AP-HP), Sorbonne Université, Hôpital Pitié - Salpêtrière, Paris, France.,Sorbonne Université, Inserm, Institute of Cardiometabolism and Nutrition (ICAN), Paris, France
| | - Alexandre Boissonnas
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Zahir Amoura
- Service de Médecine Interne 2, Institut E3M, Assistance Publique - Hôpitaux de Paris (AP-HP), Hôpital Pitié-Salpêtrière, Paris, France
| | - Valérie Pourcher
- Assistance Publique - Hôpitaux de Paris (AP-HP), Groupement Hospitalier Pitié-Salpêtrière, Service de Maladies infectieuses et Tropicales, Paris, France
| | - Makoto Miyara
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France.,Assistance Publique - Hôpitaux de Paris (AP-HP), Groupement Hospitalier Pitié-Salpêtrière, Département d'Immunologie, Paris, France
| | - Guy Gorochov
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France.,Assistance Publique - Hôpitaux de Paris (AP-HP), Groupement Hospitalier Pitié-Salpêtrière, Département d'Immunologie, Paris, France
| | - Amélie Guihot
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France.,Assistance Publique - Hôpitaux de Paris (AP-HP), Groupement Hospitalier Pitié-Salpêtrière, Département d'Immunologie, Paris, France
| | - Christophe Combadière
- Sorbonne Université, Institut national de santé et de recherche medicale (Inserm), Centre National de la Recherche Scientifique (CNRS), Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
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16
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Xie Q, Peng J, Guo Y, Li F. MicroRNA-33-5p inhibits cholesterol efflux in vascular endothelial cells by regulating citrate synthase and ATP-binding cassette transporter A1. BMC Cardiovasc Disord 2021; 21:433. [PMID: 34517822 PMCID: PMC8438969 DOI: 10.1186/s12872-021-02228-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 08/24/2021] [Indexed: 12/16/2022] Open
Abstract
Background A high level of total cholesterol is associated with several lipid metabolism disorders, including atherosclerosis and cardiovascular diseases. ATP-binding cassette (ABC) transporter A1 (ABCA1) and miR-33-5p play crucial roles in atherosclerosis by controlling cholesterol efflux. While citrate is a precursor metabolite for lipid and cholesterol synthesis, little is known about the association between citrate synthase (CS) and cholesterol efflux. This study investigated the role of the miR-33-5p/ABCA1/CS axis in regulating cholesterol efflux in vascular endothelial cells (VECs). Materials and methods VECs were treated with oxidized low-density lipoprotein cholesterol (ox-LDL), or pretreated with plasmids overexpressing CS, ABCA1, siRNAs against CS and ABCA1, and an miR-33-5p inhibitor. Cell apoptosis, cellular senescence-associated β-galactosidase activity, inflammation, and cholesterol efflux were detected. Results Treatment with ox-LDL decreased ABCA1 and CS levels and increased miR-33-5p expression and apoptosis in dose-dependent manners. In contrast, treatment with the miR-33-5p inhibitor and ABCA1 and CS overexpression plasmids inhibited the above-mentioned ox-LDL-induced changes. In addition, treatment with ox-LDL decreased cholesterol efflux, induced aging, and promoted the production of inflammatory cytokines (i.e., IL-6 and tumor necrosis factor TNF-α), as well as the expression of Bax and Caspase 3 proteins in VECs. All these changes were rescued by miR-33-5p inhibition and ABCA1 and CS overexpression. The inhibition of ABCA1 and CS by siRNAs eliminated the effects mediated by the miR-33-5p inhibitor, and knockdown of CS eliminated the effects of ABCA1 on VECs. Conclusions This study demonstrated the crucial roles played by the miR-33-5p/ABCA1/CS axis in regulating cholesterol efflux, inflammation, apoptosis, and aging in VECs, and also suggested the axis as a target for managing lipid metabolism disorders. Supplementary Information The online version contains supplementary material available at 10.1186/s12872-021-02228-7.
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Affiliation(s)
- Qiong Xie
- Department of Cardiology, Hunan Provincial People's Hospital, The First Hospital Affiliated With Hunan Normal University, Changsha, 410005, Hunan, People's Republic of China
| | - Jianqiang Peng
- Department of Cardiology, Hunan Provincial People's Hospital, The First Hospital Affiliated With Hunan Normal University, Changsha, 410005, Hunan, People's Republic of China
| | - Ying Guo
- Department of Cardiology, Hunan Provincial People's Hospital, The First Hospital Affiliated With Hunan Normal University, Changsha, 410005, Hunan, People's Republic of China
| | - Feng Li
- Departments of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, middle Ren-Min Road No. 139, Changsha, 410011, Hunan, People's Republic of China.
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17
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Noels H, Lehrke M, Vanholder R, Jankowski J. Lipoproteins and fatty acids in chronic kidney disease: molecular and metabolic alterations. Nat Rev Nephrol 2021; 17:528-542. [PMID: 33972752 DOI: 10.1038/s41581-021-00423-5] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/22/2021] [Indexed: 02/06/2023]
Abstract
Chronic kidney disease (CKD) induces modifications in lipid and lipoprotein metabolism and homeostasis. These modifications can promote, modulate and/or accelerate CKD and secondary cardiovascular disease (CVD). Lipid and lipoprotein abnormalities - involving triglyceride-rich lipoproteins, LDL and/or HDL - not only involve changes in concentration but also changes in molecular structure, including protein composition, incorporation of small molecules and post-translational modifications. These alterations modify the function of lipoproteins and can trigger pro-inflammatory and pro-atherogenic processes, as well as oxidative stress. Serum fatty acid levels are also often altered in patients with CKD and lead to changes in fatty acid metabolism - a key process in intracellular energy production - that induce mitochondrial dysfunction and cellular damage. These fatty acid changes might not only have a negative impact on the heart, but also contribute to the progression of kidney damage. The presence of these lipoprotein alterations within a biological environment characterized by increased inflammation and oxidative stress, as well as the competing risk of non-atherosclerotic cardiovascular death as kidney function declines, has important therapeutic implications. Additional research is needed to clarify the pathophysiological link between lipid and lipoprotein modifications, and kidney dysfunction, as well as the genesis and/or progression of CVD in patients with kidney disease.
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Affiliation(s)
- Heidi Noels
- Institute for Molecular Cardiovascular Research, RWTH Aachen University, University Hospital, Aachen, Germany
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Michael Lehrke
- Department of Internal Medicine I, RWTH Aachen University, University Hospital, Aachen, Germany
| | - Raymond Vanholder
- Nephrology Section, Department of Internal Medicine and Pediatrics, University Hospital, Ghent, Belgium
| | - Joachim Jankowski
- Institute for Molecular Cardiovascular Research, RWTH Aachen University, University Hospital, Aachen, Germany.
- Department of Pathology, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht University, Maastricht, Netherlands.
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18
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Deng R, Bu Y, Li F, Wu H, Wang Y, Wei W. The interplay between fibroblast-like synovial and vascular endothelial cells leads to angiogenesis via the sphingosine-1-phosphate-induced RhoA-F-Actin and Ras-Erk1/2 pathways and the intervention of geniposide. Phytother Res 2021; 35:5305-5317. [PMID: 34327764 DOI: 10.1002/ptr.7211] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 05/31/2021] [Accepted: 06/17/2021] [Indexed: 12/16/2022]
Abstract
The changes of fibroblast-like synoviocytes (FLSs) and vascular endothelial cells (VECs) biological functions are closely related to angiogenesis in rheumatoid arthritis (RA). Nevertheless, how the crosstalk between FLSs and VECs interferes with RA is far from being clarified. Herein, we studied the effect of the reciprocal interactions between FLSs and VECs on angiogenesis and mechanism of geniposide (GE). After administration of GE, improvement of synovial hyperplasia in adjuvant arthritis rats was accompanied by downregulation of SphK1 and p-Erk1/2. The dynamic interaction between FLSs and VECs triggers the release of S1P by activating p-Erk1/2 and SphK1, then activating RhoA-F-actin and Ras-Erk1/2 pathways. When exposed to the inflammatory microenvironment mediated by FLSs-VECs crosstalk, proliferation, migration, and permeability of VECs were enhanced, the angiogenic factors were imbalanced. Meanwhile, the proliferation and secretory ability of FLSs increased. Interestingly, depletion of S1P or blocking of the activation of SphK1 by GE and PF-543 prevented the changes. In conclusion, S1P released during FLSs-VECs crosstalk changed their biological functions by activating RhoA-F-actin and Ras-Erk1/2 pathways. GE acted on p-Erk1/2 and SphK1, inhibited the secretion of S1P, and blocked the interplay between FLSs and VECs. These results provide new insights into the mechanism of angiogenesis in RA.
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Affiliation(s)
- Ran Deng
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yanhong Bu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Feng Li
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Hong Wu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yan Wang
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Anhui University of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Wei Wei
- Anhui Medical University, Key Laboratory of Antiinflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Institute of Clinical Pharmacology, Antiinflammatory Immune Drugs Collaborative Innovation Center, Hefei, China
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Structure and Dynamics of Oxidized Lipoproteins In Vivo: Roles of High-Density Lipoprotein. Biomedicines 2021; 9:biomedicines9060655. [PMID: 34201176 PMCID: PMC8229488 DOI: 10.3390/biomedicines9060655] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/03/2021] [Accepted: 06/04/2021] [Indexed: 01/30/2023] Open
Abstract
Oxidative modification of lipoproteins is implicated in the occurrence and development of atherosclerotic lesions. Earlier studies have elucidated on the mechanisms of foam cell formation and lipid accumulation in these lesions, which is mediated by scavenger receptor-mediated endocytosis of oxidized low-density lipoprotein (oxLDL). Mounting clinical evidence has supported the involvement of oxLDL in cardiovascular diseases. High-density lipoprotein (HDL) is known as anti-atherogenic; however, recent studies have shown circulating oxidized HDL (oxHDL) is related to cardiovascular diseases. A modified structure of oxLDL, which was increased in the plasma of patients with acute myocardial infarction, was characterized. It had two unique features: (1) a fraction of oxLDL accompanied oxHDL, and (2) apoA1 was heavily modified, while modification of apoB, and the accumulation of oxidized phosphatidylcholine (oxPC) and lysophosphatidylcholine (lysoPC) was less pronounced. When LDL and HDL were present at the same time, oxidized lipoproteins actively interacted with each other, and oxPC and lysoPC were transferred to another lipoprotein particle and enzymatically metabolized rapidly. This brief review provides a novel view on the dynamics of oxLDL and oxHDL in circulation.
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20
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Effects of lipoproteins on endothelial cells and macrophages function and its possible implications on fetal adverse outcomes associated to maternal hypercholesterolemia during pregnancy. Placenta 2021; 106:79-87. [PMID: 33706211 DOI: 10.1016/j.placenta.2021.02.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 02/03/2021] [Accepted: 02/25/2021] [Indexed: 11/23/2022]
Abstract
Hypercholesterolemia is one of the main risk factors associated with atherosclerosis and cardiovascular disease, the leading cause of death worldwide. During pregnancy, maternal hypercholesterolemia develops, and it can occur in a physiological (MPH) or supraphysiological (MSPH) manner, where MSPH is associated with endothelial dysfunction and early atherosclerotic lesions in the fetoplacental vasculature. In the pathogenesis of atherosclerosis, endothelial activation and endothelial dysfunction, characterized by an imbalance in the bioavailability of nitric oxide, contribute to the early stages of this disease. Macrophages conversion to foam cells, cholesterol efflux from these cells and its differentiation into a pro- or anti-inflammatory phenotype are also important processes that contribute to atherosclerosis. In adults it has been reported that native and modified HDL and LDL play an important role in endothelial and macrophage function. In this review it is proposed that fetal lipoproteins could be also relevant factors involved in the detrimental vascular effects described in MSPH. Changes in the composition and function of neonatal lipoproteins compared to adults has been reported and, although in MSPH pregnancies the fetal lipid profile does not differ from MPH, differences in the lipidomic profiles of umbilical venous blood have been reported, which could have implications in the vascular function. In this review we summarize the available information regarding the effects of lipoproteins on endothelial and macrophage function, emphasizing its possible implications on fetal adverse outcomes associated to maternal hypercholesterolemia during pregnancy.
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Gonzalez A, Huerta-Salgado C, Orozco-Aguilar J, Aguirre F, Tacchi F, Simon F, Cabello-Verrugio C. Role of Oxidative Stress in Hepatic and Extrahepatic Dysfunctions during Nonalcoholic Fatty Liver Disease (NAFLD). OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1617805. [PMID: 33149804 PMCID: PMC7603619 DOI: 10.1155/2020/1617805] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 09/24/2020] [Accepted: 10/01/2020] [Indexed: 02/07/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a pathology that contains a broad liver dysfunctions spectrum. These alterations span from noninflammatory isolated steatosis until nonalcoholic steatohepatitis (NASH), a more aggressive form of the disease characterized by steatosis, inflammatory status, and varying liver degrees fibrosis. NAFLD is the most prevalent chronic liver disease worldwide. The causes of NAFLD are diverse and include genetic and environmental factors. The presence of NASH is strongly associated with cirrhosis development and hepatocellular carcinoma, two conditions that require liver transplantation. The liver alterations during NAFLD are well described. Interestingly, this pathological condition also affects other critical tissues and organs, such as skeletal muscle and even the cardiovascular, renal, and nervous systems. Oxidative stress (OS) is a harmful state present in several chronic diseases, such as NAFLD. The purpose of this review is to describe hepatic and extrahepatic dysfunctions in NAFLD. We will also review the influence of OS on the physiopathological events that affect the critical function of the liver and peripheral tissues.
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Affiliation(s)
- Andrea Gonzalez
- Laboratory of Muscle Pathology, Fragility and Aging, Department of Biological Sciences, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile
| | - Camila Huerta-Salgado
- Laboratory of Muscle Pathology, Fragility and Aging, Department of Biological Sciences, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile
| | - Josué Orozco-Aguilar
- Laboratory of Muscle Pathology, Fragility and Aging, Department of Biological Sciences, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile
| | - Francisco Aguirre
- Laboratory of Muscle Pathology, Fragility and Aging, Department of Biological Sciences, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile
| | - Franco Tacchi
- Laboratory of Muscle Pathology, Fragility and Aging, Department of Biological Sciences, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile
| | - Felipe Simon
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
- Millennium Nucleus of Ion Channels-Associated Diseases (MiNICAD), Universidad de Chile, Chile
- Laboratory of Integrative Physiopathology, Department of Biological Sciences, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
| | - Claudio Cabello-Verrugio
- Laboratory of Muscle Pathology, Fragility and Aging, Department of Biological Sciences, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile
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Drouin M, Saenz J, Chiffoleau E. C-Type Lectin-Like Receptors: Head or Tail in Cell Death Immunity. Front Immunol 2020; 11:251. [PMID: 32133013 PMCID: PMC7040094 DOI: 10.3389/fimmu.2020.00251] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 01/30/2020] [Indexed: 12/12/2022] Open
Abstract
C-type lectin-like receptors (CLRs) represent a family of transmembrane pattern recognition receptors, expressed primarily by myeloid cells. They recognize not only pathogen moieties for host defense, but also modified self-antigens such as damage-associated molecular patterns released from dead cells. Upon ligation, CLR signaling leads to the production of inflammatory mediators to shape amplitude, duration and outcome of the immune response. Thus, following excessive injury, dysregulation of these receptors leads to the development of inflammatory diseases. Herein, we will focus on four CLRs of the "Dectin family," shown to decode the immunogenicity of cell death. CLEC9A on dendritic cells links F-actin exposed by dying cells to favor cross-presentation of dead-cell associated antigens to CD8+ T cells. Nevertheless, CLEC9A exerts also feedback mechanisms to temper neutrophil recruitment and prevent additional tissue damage. MINCLE expressed by macrophages binds nuclear SAP130 released by necrotic cells to potentiate pro-inflammatory responses. However, the consequent inflammation can exacerbate pathogenesis of inflammatory diseases. Moreover, in a tumor microenvironment, MINCLE induces macrophage-induced immune suppression and cancer progression. Similarly, triggering of LOX-1 by oxidized LDL, amplifies pro-inflammatory response but promotes tumor immune escape and metastasis. Finally, CLEC12A that recognizes monosodium urate crystals formed during cell death, inhibits activating signals to prevent detrimental inflammation. Interestingly, CLEC12A also sustains type-I IFN response to finely tune immune responses in case of viral-induced collateral damage. Therefore, CLRs acting in concert as sensors of injury, could be used in a targeted way to treat numerous diseases such as allergies, obesity, tumors, and autoimmunity.
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Affiliation(s)
- Marion Drouin
- Université de Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Nantes, France.,OSE Immunotherapeutics, Nantes, France
| | - Javier Saenz
- Université de Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Nantes, France
| | - Elise Chiffoleau
- Université de Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Nantes, France
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Abstract
The prevalence of heart failure (HF), including reduced ejection fraction (HFrEF) and preserved ejection fraction (HFpEF), has increased significantly worldwide. However, the prognosis and treatment of HF are still not good. Recent studies have demonstrated that high-density lipoprotein (HDL) plays an important role in cardiac repair during HF. The exact role and mechanism of HDL in the regulation of HF remain unexplained. Here, we discuss recent findings regarding HDL in the progression of HF, such as the regulation of excitation-contraction coupling, energy homeostasis, inflammation, neurohormone activation, and microvascular dysfunction. The effects of HDL on the regulation of cardiac-related cells, such as endothelial cells (ECs), cardiomyocytes (CMs), and on cardiac resident immune cell dysfunction in HF are also explained. An in-depth understanding of HDL function in the heart may provide new strategies for the prevention and treatment of HF.
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Xu K, Liu X, Yin D, Ren G, Zhao Y. PP2A alleviates oxidized LDL-induced endothelial dysfunction by regulating LOX-1/ROS/MAPK axis. Life Sci 2020; 243:117270. [PMID: 31923421 DOI: 10.1016/j.lfs.2020.117270] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 01/03/2020] [Accepted: 01/03/2020] [Indexed: 11/25/2022]
Abstract
AIMS The purpose of this study is to investigate the effect of PP2A on the progression of AS and the special molecular mechanism. MAIN METHODS The expression of PP2A in Human umbilical vein endothelial cells (HUVECs) induced by different concentrations of Ox-LDL was measured by RT-PCR and Western blot. The binding activity of PP2A and LOX-1 was determined by CoIP assay. Western blot was used to measure the protein expression of VCAM-1, ICAM-1 and MCP-1. KEY FINDING The results revealed that the expression of PP2A was decreased with the increase of Ox-LDL concentration in HUVECs. Overexpression of PP2A alleviated Ox-LDL-induced dysfunction and inflammatory response in HUVECs. The results of Co-immunoprecipitation (CoIP) showed that PP2A had direct effect on LOX-1, and PP2A inhibited the expression of LOX-1. In addition, overexpression of LOX-1 reversed the inhibitory effect of PP2A on Ox-LDL-induced dysfunction and inflammatory response in HUVECs. What is more, PP2A inhibited LOX-1/ROS/MAPK axis. SIGNIFICANCE it suggests that PP2A alleviates Ox-LDL-induced dysfunction and inflammatory response of HUVECs potentially by regulating the LOX-1/ROS/MAPK axis,which suggests that PP2A has anti-inflammatory effect during the formation of as, and the molecular therapy of PP2A provides a theoretical basis.
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Affiliation(s)
- Kaicheng Xu
- Department of Anesthesiology, China-Japan Union hospital JiLin University, Chang chun, JiLin 130033, China
| | - Xiwen Liu
- Department of vascular surgery, China-Japan Union hospital JiLin University, Chang chun, JiLin 130033, China
| | - Dexin Yin
- Department of vascular surgery, China-Japan Union hospital JiLin University, Chang chun, JiLin 130033, China
| | - Guanghao Ren
- Department of vascular surgery, China-Japan Union hospital JiLin University, Chang chun, JiLin 130033, China
| | - Yue Zhao
- Department of vascular surgery, China-Japan Union hospital JiLin University, Chang chun, JiLin 130033, China.
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25
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Apolipoprotein E Deficiency Causes Endothelial Dysfunction in the Mouse Retina. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:5181429. [PMID: 31781340 PMCID: PMC6875001 DOI: 10.1155/2019/5181429] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 09/25/2019] [Accepted: 10/16/2019] [Indexed: 02/06/2023]
Abstract
Objective Atherogenic lipoproteins may impair vascular reactivity consecutively causing tissue damage in multiple organs via abnormal perfusion and excessive reactive oxygen species generation. We tested the hypothesis that chronic hypercholesterolemia causes endothelial dysfunction and cell loss in the retina. Methods Twelve-month-old apolipoprotein E-deficient (ApoE-/-) mice and age-matched wild-type controls were used in this study (n = 8 per genotype for each experiment). Intraocular pressure, blood pressure, and ocular perfusion pressure were determined. Retinal arteriole responses were studied in vitro, and reactive oxygen and nitrogen species were quantified in the retinal and optic nerve cryosections. The expression of the lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) and the NADPH oxidase isoforms, NOX1, NOX2, and NOX4, were determined in retinal cryosections by immunofluorescence microscopy. Pro- and antioxidant redox genes were quantified in retinal explants by PCR. Moreover, cell number in the retinal ganglion cell layer and axon number in the optic nerve was calculated. Results Responses to the endothelium-dependent vasodilator, acetylcholine, were markedly impaired in retinal arterioles of ApoE-/- mice (P < 0.01). LOX-1 (P = 0.0007) and NOX2 (P = 0.0027) expressions as well as levels of reactive oxygen species (P = 0.0022) were increased in blood vessels but not in other retinal structures. In contrast, reactive nitrogen species were barely detectable in both mouse genotypes. Messenger RNA for HIF-1α, VEGF-A, NOX1, and NOX2, but also for various antioxidant redox genes was elevated in the retina of ApoE-/- mice. Total cell number in the retinal ganglion cell layer did not differ between ApoE-/- and wild-type mice (P = 0.2171). Also, axon number in the optic nerve did not differ between ApoE-/- and wild-type mice (P = 0.6435). Conclusion Apolipoprotein E deficiency induces oxidative stress and endothelial dysfunction in retinal arterioles, which may trigger hypoxia in the retinal tissue. Oxidative stress in nonvascular retinal tissue appears to be prevented by the upregulation of antioxidant redox enzymes, resulting in neuron preservation.
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Cheng XL, Ding F, Wang DP, Zhou L, Cao JM. Hexarelin attenuates atherosclerosis via inhibiting LOX-1-NF-κB signaling pathway-mediated macrophage ox-LDL uptake in ApoE -/- mice. Peptides 2019; 121:170122. [PMID: 31386895 DOI: 10.1016/j.peptides.2019.170122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 07/31/2019] [Accepted: 07/31/2019] [Indexed: 12/12/2022]
Abstract
Growth hormone secretagogues (GHS) have been proved to exert protective effects on the cardiovascular system, while their potential beneficial effects on macrophages in atherosclerosis (AS) are rarely been clarified. This study aimed to demonstrate whether hexarelin, a synthetic peptidyl GHS, can suppress AS progression via regulating the function of macrophages. AS was induced by chronic (3 months) feeding with high lipid diet in ApoE-/- mice. Mice were treated either with hexarelin (100 μg/kg s.c., q.d. for 3 months) (AS + Hex group) or saline (AS group). Age-matched C57BL/6 J mice were used as normal controls. AS and related signaling molecules in aortic tissues and RAW264.7 macrophages were identified with variant methods including histological staining, ELISA, western blotting, confocal microscopy and flow cytometry. AS significantly developed in ApoE-/- mice fed with high lipids diet. Hexarelin decreased serum TC, TG and LDL-c, increased serum HDL-c and attenuated the formation of atherosclerotic plaques and neointima compared with the AS group. Hexarelin decreased the aortic expressions of CD68 and LOX-1 which were elevated in the AS group. Hexarelin increased GHSR expression, suppressed ox-LDL uptake and LOX-1 expression and inhibited nuclear factor-kappa B (NF-κB) activation both in the aorta of ApoE-/- mice and in RAW264.7 macrophages. We conclude that hexarelin effectively attenuates AS progression in ApoE-/- mice by modulating circulatory lipids profile and inhibiting macrophage ox-LDL uptake via suppressing the LOX-1-NF-κB signaling pathway. The study supports the perspective of hexarelin as an anti-AS drug.
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MESH Headings
- Animals
- Antigens, CD/genetics
- Antigens, CD/metabolism
- Antigens, Differentiation, Myelomonocytic/genetics
- Antigens, Differentiation, Myelomonocytic/metabolism
- Aorta/drug effects
- Aorta/metabolism
- Aorta/pathology
- Apolipoproteins E/deficiency
- Apolipoproteins E/genetics
- Atherosclerosis/drug therapy
- Atherosclerosis/etiology
- Atherosclerosis/genetics
- Atherosclerosis/metabolism
- Biological Transport/drug effects
- Cholesterol, HDL/blood
- Cholesterol, LDL/blood
- Diet, High-Fat/adverse effects
- Disease Models, Animal
- Gene Expression Regulation
- Lipoproteins, LDL/metabolism
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- NF-kappa B/antagonists & inhibitors
- NF-kappa B/genetics
- NF-kappa B/metabolism
- Oligopeptides/pharmacology
- Plaque, Atherosclerotic/drug therapy
- Plaque, Atherosclerotic/etiology
- Plaque, Atherosclerotic/genetics
- Plaque, Atherosclerotic/metabolism
- RAW 264.7 Cells
- Receptors, Ghrelin/genetics
- Receptors, Ghrelin/metabolism
- Scavenger Receptors, Class E/antagonists & inhibitors
- Scavenger Receptors, Class E/genetics
- Scavenger Receptors, Class E/metabolism
- Signal Transduction
- Triglycerides/blood
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Affiliation(s)
- Xiu-Li Cheng
- Department of Clinical Laboratory, Tianjin Key Laboratory of Cerebral Vessels and Neural Degeneration, Tianjin Huanhu Hospital, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China
| | - Fan Ding
- Office of Scientific R&D, Tsinghua University, Beijing, China
| | - De-Ping Wang
- Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Lan Zhou
- Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Ji-Min Cao
- Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, Department of Physiology, Shanxi Medical University, Taiyuan, China.
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Korokina LV, Golubev IV, Pokopejko ON, Zagrebelnaya AV, Demchenko SA. Search for new pharmacological targets for increasing the efficiency of correction of cardiovascular diseases. RESEARCH RESULTS IN PHARMACOLOGY 2019. [DOI: 10.3897/rrpharmacology.5.39521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Introduction: Cardiovascular disease (CVD) is the leading cause of death worldwide: no other reason causes as many deaths a year as CVD. An estimated 17.9 million people died of CVD in 2016, accounting for 31% of all deaths in the world. People with CVD or at high risk for these diseases (due to one or more risk factors, such as high blood pressure, diabetes, hyperlipidemia, or an already developed disease) need early detection and assistance through counseling and, if necessary, taking medication.
Ways to find new targets for the correction of endothelium-associated pathology: The basis of the modern therapy for arterial hypertension and other cardiovascular diseases is the postulate of the need to correct endothelial dysfunction as an indication of the adequacy of antihypertensive and other types of treatment. Lowering blood pressure (BP) without normalizing endothelial function cannot be considered a successfully resolved clinical task. Currently, there are no drugs for specific pharmacological correction of endothelial dysfunction in cardiovascular diseases, and the search for new targets for pharmacological correction of endothelial dysfunction is one of the main tasks of pharmacology.
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Gallardo-Vara E, Ruiz-Llorente L, Casado-Vela J, Ruiz-Rodríguez MJ, López-Andrés N, Pattnaik AK, Quintanilla M, Bernabeu C. Endoglin Protein Interactome Profiling Identifies TRIM21 and Galectin-3 as New Binding Partners. Cells 2019; 8:cells8091082. [PMID: 31540324 PMCID: PMC6769930 DOI: 10.3390/cells8091082] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 09/07/2019] [Accepted: 09/07/2019] [Indexed: 12/15/2022] Open
Abstract
Endoglin is a 180-kDa glycoprotein receptor primarily expressed by the vascular endothelium and involved in cardiovascular disease and cancer. Heterozygous mutations in the endoglin gene (ENG) cause hereditary hemorrhagic telangiectasia type 1, a vascular disease that presents with nasal and gastrointestinal bleeding, skin and mucosa telangiectases, and arteriovenous malformations in internal organs. A circulating form of endoglin (alias soluble endoglin, sEng), proteolytically released from the membrane-bound protein, has been observed in several inflammation-related pathological conditions and appears to contribute to endothelial dysfunction and cancer development through unknown mechanisms. Membrane-bound endoglin is an auxiliary component of the TGF-β receptor complex and the extracellular region of endoglin has been shown to interact with types I and II TGF-β receptors, as well as with BMP9 and BMP10 ligands, both members of the TGF-β family. To search for novel protein interactors, we screened a microarray containing over 9000 unique human proteins using recombinant sEng as bait. We find that sEng binds with high affinity, at least, to 22 new proteins. Among these, we validated the interaction of endoglin with galectin-3, a secreted member of the lectin family with capacity to bind membrane glycoproteins, and with tripartite motif-containing protein 21 (TRIM21), an E3 ubiquitin-protein ligase. Using human endothelial cells and Chinese hamster ovary cells, we showed that endoglin co-immunoprecipitates and co-localizes with galectin-3 or TRIM21. These results open new research avenues on endoglin function and regulation.
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Affiliation(s)
- Eunate Gallardo-Vara
- Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), 28040 Madrid, Spain; (E.G.-V.); (L.R.-L.)
| | - Lidia Ruiz-Llorente
- Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), 28040 Madrid, Spain; (E.G.-V.); (L.R.-L.)
| | - Juan Casado-Vela
- Bioengineering and Aerospace Engineering Department, Universidad Carlos III and Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas (CIBERNED), Leganés, 28911 Madrid, Spain;
| | | | - Natalia López-Andrés
- Cardiovascular Translational Research, Navarrabiomed, Complejo Hospitalario de Navarra (CHN), Universidad Pública de Navarra (UPNA), IdiSNA, 31008 Pamplona, Spain;
| | - Asit K. Pattnaik
- School of Veterinary Medicine and Biomedical Sciences, and Nebraska Center for Virology, University of Nebraska-Lincoln, Lincoln, NE 68583, USA;
| | - Miguel Quintanilla
- Instituto de Investigaciones Biomédicas “Alberto Sols”, Consejo Superior de Investigaciones Científicas (CSIC), and Departamento de Bioquímica, Universidad Autónoma de Madrid (UAM), 28029 Madrid, Spain
- Correspondence: (M.Q.); (C.B.)
| | - Carmelo Bernabeu
- Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), 28040 Madrid, Spain; (E.G.-V.); (L.R.-L.)
- Correspondence: (M.Q.); (C.B.)
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Xu K, Ren G, Yin D, Guo S, Zhao Y. Depletion of CPEB1 protects against oxidized LDL-induced endothelial apoptosis and inflammation though SIRT1/LOX-1 signalling pathway. Life Sci 2019; 239:116874. [PMID: 31521690 DOI: 10.1016/j.lfs.2019.116874] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/06/2019] [Accepted: 09/11/2019] [Indexed: 12/26/2022]
Abstract
Atherosclerosis (AS) is a chronic inflammatory disease that results from Oxidized low-density lipoprotein (Ox-LDL) induced endothelial dysfunction. Cytoplasmic polyadenylation element binding protein 1 (CPEB1) is closely related to the development of epithelial cells, but the role of CPEB1 in AS remains unknown. The RNA and protein levels of CPEB1 expression are increased by Ox-LDL exposure, which is abrogated by c-Jun amino-terminal kinase (JNK) inhibitor SP600125. CPEB1 small interfering RNA (siRNA) suppressed the oxidative stress, inflammation, and apoptosis. Furthermore, CPEB1 siRNA enhanced the sirtuin 1 (SIRT1) transcription levels in Ox-LDL-treated HUVECs. Co-Immunoprecipitation (Co-IP) assay showed that CPEB1 siRNA declined the ubiquitination of SIRT1, and SIRT1 siRNA enhanced the Lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1), which were decreased by CPEB1 siRNA. In addition, LOX-1 and SIRT1 attenuated the protection of SIRT1 siRNA on Ox-LDL-induced oxidative stress. Therefore, our study revealed that CPEB1 depletion might play an anti-inflammatory and antiapoptotic role in Ox-LDL-induced apoptosis and inflammation though SIRT1/LOX-1 signalling pathway.
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Affiliation(s)
- Kaicheng Xu
- Department of Anesthesiology, China-Japan Union Hospital JiLin University, Chang Chun, JiLin, 130033, China
| | - Guanghao Ren
- Department of Vascular Surgery, China-Japan Union Hospital JiLin University, Chang Chun, JiLin, 130033, China
| | - Dexin Yin
- Department of Vascular Surgery, China-Japan Union Hospital JiLin University, Chang Chun, JiLin, 130033, China
| | - Suli Guo
- Department of Vascular Surgery, China-Japan Union Hospital JiLin University, Chang Chun, JiLin, 130033, China
| | - Yue Zhao
- Department of Vascular Surgery, China-Japan Union Hospital JiLin University, Chang Chun, JiLin, 130033, China.
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