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Shi Y, Xu N, Liu B, Ma Y, Fu X, Shang Y, Huang Q, Yao Q, Chen J, Li H. Mifepristone protects acetaminophen induced liver injury through NRF2/GSH/GST mediated ferroptosis suppression. Free Radic Biol Med 2024; 222:229-243. [PMID: 38906233 DOI: 10.1016/j.freeradbiomed.2024.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 06/14/2024] [Accepted: 06/17/2024] [Indexed: 06/23/2024]
Abstract
Ferroptosis is a form of iron-dependent cell death that has attracted significant attention for its potential role in numerous diseases. Targeted inhibition of ferroptosis could be of potential use in treating diseases: such as drug induced liver injury (DILI). Ferroptosis can be antagonized by the xCT/GSH/GPX4, FSP1/CoQ10, DHODH/CoQ10, GCH1/BH4, and NRF2 pathways. Identifying novel anti-ferroptosis pathways will further promote our understanding of the biological nature of ferroptosis and help discover new drugs targeting ferroptosis related human diseases. In this study, we identified the clinically used drug mifepristone (RU486) as a novel ferroptosis inhibitor. Mechanistically, RU486 inhibits ferroptosis by inducing GSH synthesis pathway, which supplies GSH for glutathione-S-transferase (GST) mediated 4-HNE detoxification. Furthermore, RU486 induced RLIP76 and MRP1 export 4-HNE conjugate contributes to its anti-ferroptosis activity. Interestingly, RU486 induced GSH/GSTs/RLIP76&MRP1 anti-ferroptosis pathway acts independent of classic anti-ferroptosis systems: including xCT/GSH/GPX4, FSP1, DHODH, GCH1, SCD1 and FTH1. Moreover, NRF2 was identified to be important for RU486's anti-ferroptosis activity by inducing downstream gene expression. Importantly, in mouse model, RU486 showed strong protection effect on acetaminophen (APAP)-induced acute liver injury, evidenced by decreased ALT, AST level and histological recovery after APAP treatment. Interestingly, RU486 also decreased oxidative markers, including 4-HNE and MDA, and induced NRF2 activation as well as GSTs, MRP1 expression. Together, these data suggest NRF2/GSH/GST/RLIP76&MRP1 mediated detoxification pathway as an important independent anti-ferroptosis pathway act both in vitro and in vivo.
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Affiliation(s)
- Yanyun Shi
- GuiZhou University Medical College, Guiyang, 550025, China
| | - Nahua Xu
- Department of Hematology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
| | - Baiping Liu
- Department of Obstetrics and Gynecology, Chongqing Health Center for Women and Children (Women and Children's Hospital of Chongqing Medical University), Chongqing, 401120, China
| | - Yanni Ma
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Xuemei Fu
- Department of Obstetrics and Gynecology, Chongqing Health Center for Women and Children (Women and Children's Hospital of Chongqing Medical University), Chongqing, 401120, China
| | - Yingying Shang
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Qilin Huang
- GuiZhou University Medical College, Guiyang, 550025, China; Department of Neurosurgery, Guiqian International General Hospital, Changpo Road, Wudang District, Guiyang, 550000, China.
| | - Qi Yao
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
| | - Jieping Chen
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
| | - Hui Li
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China; Department of Obstetrics and Gynecology, Chongqing Health Center for Women and Children (Women and Children's Hospital of Chongqing Medical University), Chongqing, 401120, China; Department of Hematology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China.
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Grazia Mele V, Chioccarelli T, Diano N, Cappetta D, Ferraro B, Telesca M, Moggio M, Porreca V, De Angelis A, Berrino L, Fasano S, Cobellis G, Chianese R, Manfrevola F. Variation of sperm quality and circular RNA content in men exposed to environmental contamination with heavy metals in 'Land of Fires', Italy. Hum Reprod 2024:deae109. [PMID: 38885964 DOI: 10.1093/humrep/deae109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/13/2024] [Indexed: 06/20/2024] Open
Abstract
STUDY QUESTION Can illegal discharge of toxic waste into the environment induce a new condition of morpho-epigenetic pathozoospermia in normozoospermic young men? SUMMARY ANSWER Toxic environmental contaminants promote the onset of a new pathozoospermic condition in young normozoospermic men, consisting of morpho-functional defects and a sperm increase of low-quality circular RNA (circRNA) cargo, tightly linked to contaminant bioaccumulation in seminal plasma. WHAT IS KNOWN ALREADY Epidemiological findings have reported several reproductive anomalies depending on exposure to contaminants discharged into the environment, such as germ cell apoptosis, steroidogenesis defects, oxidative stress induction, blood-testis barrier dysfunctions, and poor sperm quality onset. In this scenario, a vast geographical area located in Campania, Italy, called the 'Land of Fires', has been associated with an excessive illegal discharge of toxic waste into the environment, negatively impacting human health, including male reproductive functions. STUDY DESIGN, SIZE, DURATION Semen samples were obtained from healthy normozoospermic men divided into two experimental groups, consisting of men living in the 'Land of Fires' (LF; n = 80) or not (CTRL; n = 80), with age ranging from 25 to 40 years. The study was carried out following World Health Organization guidelines. PARTICIPANTS/MATERIALS, SETTING, METHODS Quality parameters of semen from CTRL- and LF-normozoospermic men were evaluated by computer-assisted semen analysis; high-quality spermatozoa from CTRL and LF groups (n = 80 for each experimental group) were obtained using a 80-40% discontinuous centrifugation gradient. Seminal plasma was collected following centrifugation and used for the dosage of chemical elements, dioxins and steroid hormones by liquid chromatography with tandem mass spectrometry. Sperm morpho-functional investigations (cellular morphology, acrosome maturation, IZUMO1 fertility marker analysis, plasma membrane lipid state, oxidative stress) were assessed on the purified high-quality spermatozoa fraction by immunochemistry/immunofluorescence and western blot analyses. Sperm circRNA cargo was evaluated by quantitative RT-PCR, and the physical interaction among circRNAs and fused in sarcoma (FUS) protein was detected using an RNA-binding protein immunoprecipitation assay. Protein immunoprecipitation experiments were carried out to demonstrate FUS/p-300 protein interaction in sperm cells. Lastly, in vitro lead (Pb) treatment of high-quality spermatozoa collected from normozoospermic controls was used to investigate a correlation between Pb accumulation and onset of the morpho-epigenetic pathozoospermic phenotype. MAIN RESULTS AND THE ROLE OF CHANCE Several morphological defects were identified in LF-spermatozoa, including: a significant increase (P < 0.05 versus CTRL) in the percentage of spermatozoa characterized by structural defects in sperm head and tail; and a high percentage (P < 0.01) of peanut agglutinin and IZUMO1 null signal cells. In agreement with these data, abnormal steroid hormone levels in LF seminal plasma suggest a premature acrosome reaction onset in LF-spermatozoa. The abnormal immunofluorescence signals of plasma membrane cholesterol complexes/lipid rafts organization (Filipin III and Flotillin-1) and of oxidative stress markers [3-nitrotyrosine and 3-nitrotyrosine and 4-hydroxy-2-nonenal] observed in LF-spermatozoa and associated with a sperm motility reduction (P < 0.01), demonstrated an affected membrane fluidity, potentially impacting sperm motility. Bioaccumulation of heavy metals and dioxins occurring in LF seminal plasma and a direct correlation between Pb and deregulated circRNAs related to high- and low-sperm quality was also revealed. In molecular terms, we demonstrated that Pb bioaccumulation promoted FUS hyperacetylation via physical interaction with p-300 and, in turn, its shuttling from sperm head to tail, significantly enhancing (P < 0.01 versus CTRL) the endogenous backsplicing of sperm low-quality circRNAs in LF-spermatozoa. LIMITATIONS, REASONS FOR CAUTION Participants were interviewed to better understand their area of origin, their eating habits as well as their lifestyles, however any information incorrectly communicated or voluntarily omitted that could potentially compromise experimental group determination cannot be excluded. A possible association between seminal Pb content and other heavy metals in modulating sperm quality should be explored further. Future investigations will be performed in order to identify potential synergistic or anti-synergistic effects of heavy metals on male reproduction. WIDER IMPLICATIONS OF THE FINDINGS Our study provides new findings regarding the effects of environmental contaminants on male reproduction, highlighting how a sperm phenotype classified as normozoospermic may potentially not match with a healthy morpho-functional and epigenetic one. Overall, our results improve the knowledge to allow a proper assessment of sperm quality through circRNAs as biomarkers to select spermatozoa with high morpho-epigenetic quality to use for ART. STUDY FUNDING/COMPETING INTEREST(S) This study was supported by 'Convenzione Azienda Sanitaria Locale (ASL) Caserta, Regione Campania' (ASL CE Prot. N. 1217885/DIR. GE). The authors have no conflict of interest to declare. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Vincenza Grazia Mele
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Teresa Chioccarelli
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Nadia Diano
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Donato Cappetta
- Department of Experimental Medicine, University of Salento, Lecce, Italy
| | - Bruno Ferraro
- UOSD of Reproductive Pathophysiology, Marcianise Hospital, Caserta, Italy
| | - Marialucia Telesca
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Martina Moggio
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Veronica Porreca
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Antonella De Angelis
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Liberato Berrino
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Silvia Fasano
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Gilda Cobellis
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Rosanna Chianese
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
| | - Francesco Manfrevola
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Naples, Italy
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Pan H, Ho SE, Xue C, Cui J, Johanson QS, Sachs N, Ross LS, Li F, Solomon RA, Connolly ES, Patel VI, Maegdefessel L, Zhang H, Reilly MP. Atherosclerosis Is a Smooth Muscle Cell-Driven Tumor-Like Disease. Circulation 2024; 149:1885-1898. [PMID: 38686559 PMCID: PMC11164647 DOI: 10.1161/circulationaha.123.067587] [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: 10/12/2023] [Accepted: 03/25/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND Atherosclerosis, a leading cause of cardiovascular disease, involves the pathological activation of various cell types, including immunocytes (eg, macrophages and T cells), smooth muscle cells (SMCs), and endothelial cells. Accumulating evidence suggests that transition of SMCs to other cell types, known as phenotypic switching, plays a central role in atherosclerosis development and complications. However, the characteristics of SMC-derived cells and the underlying mechanisms of SMC transition in disease pathogenesis remain poorly understood. Our objective is to characterize tumor cell-like behaviors of SMC-derived cells in atherosclerosis, with the ultimate goal of developing interventions targeting SMC transition for the prevention and treatment of atherosclerosis. METHODS We used SMC lineage tracing mice and human tissues and applied a range of methods, including molecular, cellular, histological, computational, human genetics, and pharmacological approaches, to investigate the features of SMC-derived cells in atherosclerosis. RESULTS SMC-derived cells in mouse and human atherosclerosis exhibit multiple tumor cell-like characteristics, including genomic instability, evasion of senescence, hyperproliferation, resistance to cell death, invasiveness, and activation of comprehensive cancer-associated gene regulatory networks. Specific expression of the oncogenic mutant KrasG12D in SMCs accelerates phenotypic switching and exacerbates atherosclerosis. Furthermore, we provide proof of concept that niraparib, an anticancer drug targeting DNA damage repair, attenuates atherosclerosis progression and induces regression of lesions in advanced disease in mouse models. CONCLUSIONS Our findings demonstrate that atherosclerosis is an SMC-driven tumor-like disease, advancing our understanding of its pathogenesis and opening prospects for innovative precision molecular strategies aimed at preventing and treating atherosclerotic cardiovascular disease.
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Affiliation(s)
- Huize Pan
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Sebastian E. Ho
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
- These authors contributed equally
| | - Chenyi Xue
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
- These authors contributed equally
| | - Jian Cui
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Quinian S. Johanson
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Nadja Sachs
- Department for Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University Munich, 81675 Munich, Germany
- German Center for Cardiovascular Research, partner site: Munich Heart Alliance, 10785 Berlin, Germany
| | - Leila S. Ross
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Fang Li
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Robert A. Solomon
- Department of Neurologic Surgery, New York-Presbyterian Hospital/Columbia University Irving Medical Center, New York, NY 10032, USA
| | - E. Sander Connolly
- Department of Neurologic Surgery, New York-Presbyterian Hospital/Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Virendra I. Patel
- Section of Vascular Surgery and Endovascular Interventions, New York-Presbyterian Hospital/Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Lars Maegdefessel
- Department for Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University Munich, 81675 Munich, Germany
- German Center for Cardiovascular Research, partner site: Munich Heart Alliance, 10785 Berlin, Germany
- Department of Medicine, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Hanrui Zhang
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Muredach P. Reilly
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
- Irving Institute for Clinical and Translational Research, Columbia University Irving Medical Center, New York, NY 10032, USA
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4
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Berndt C, Alborzinia H, Amen VS, Ayton S, Barayeu U, Bartelt A, Bayir H, Bebber CM, Birsoy K, Böttcher JP, Brabletz S, Brabletz T, Brown AR, Brüne B, Bulli G, Bruneau A, Chen Q, DeNicola GM, Dick TP, Distéfano A, Dixon SJ, Engler JB, Esser-von Bieren J, Fedorova M, Friedmann Angeli JP, Friese MA, Fuhrmann DC, García-Sáez AJ, Garbowicz K, Götz M, Gu W, Hammerich L, Hassannia B, Jiang X, Jeridi A, Kang YP, Kagan VE, Konrad DB, Kotschi S, Lei P, Le Tertre M, Lev S, Liang D, Linkermann A, Lohr C, Lorenz S, Luedde T, Methner A, Michalke B, Milton AV, Min J, Mishima E, Müller S, Motohashi H, Muckenthaler MU, Murakami S, Olzmann JA, Pagnussat G, Pan Z, Papagiannakopoulos T, Pedrera Puentes L, Pratt DA, Proneth B, Ramsauer L, Rodriguez R, Saito Y, Schmidt F, Schmitt C, Schulze A, Schwab A, Schwantes A, Soula M, Spitzlberger B, Stockwell BR, Thewes L, Thorn-Seshold O, Toyokuni S, Tonnus W, Trumpp A, Vandenabeele P, Vanden Berghe T, Venkataramani V, Vogel FCE, von Karstedt S, Wang F, Westermann F, Wientjens C, Wilhelm C, Wölk M, Wu K, Yang X, Yu F, Zou Y, Conrad M. Ferroptosis in health and disease. Redox Biol 2024; 75:103211. [PMID: 38908072 DOI: 10.1016/j.redox.2024.103211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/24/2024] [Accepted: 05/24/2024] [Indexed: 06/24/2024] Open
Abstract
Ferroptosis is a pervasive non-apoptotic form of cell death highly relevant in various degenerative diseases and malignancies. The hallmark of ferroptosis is uncontrolled and overwhelming peroxidation of polyunsaturated fatty acids contained in membrane phospholipids, which eventually leads to rupture of the plasma membrane. Ferroptosis is unique in that it is essentially a spontaneous, uncatalyzed chemical process based on perturbed iron and redox homeostasis contributing to the cell death process, but that it is nonetheless modulated by many metabolic nodes that impinge on the cells' susceptibility to ferroptosis. Among the various nodes affecting ferroptosis sensitivity, several have emerged as promising candidates for pharmacological intervention, rendering ferroptosis-related proteins attractive targets for the treatment of numerous currently incurable diseases. Herein, the current members of a Germany-wide research consortium focusing on ferroptosis research, as well as key external experts in ferroptosis who have made seminal contributions to this rapidly growing and exciting field of research, have gathered to provide a comprehensive, state-of-the-art review on ferroptosis. Specific topics include: basic mechanisms, in vivo relevance, specialized methodologies, chemical and pharmacological tools, and the potential contribution of ferroptosis to disease etiopathology and progression. We hope that this article will not only provide established scientists and newcomers to the field with an overview of the multiple facets of ferroptosis, but also encourage additional efforts to characterize further molecular pathways modulating ferroptosis, with the ultimate goal to develop novel pharmacotherapies to tackle the various diseases associated with - or caused by - ferroptosis.
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Affiliation(s)
- Carsten Berndt
- Department of Neurology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Hamed Alborzinia
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM GGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Vera Skafar Amen
- Rudolf Virchow Zentrum, Center for Integrative and Translational Bioimaging - University of Würzburg, Germany
| | - Scott Ayton
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Australia
| | - Uladzimir Barayeu
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ) Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, 69120, Heidelberg, Germany; Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Alexander Bartelt
- Institute for Cardiovascular Prevention (IPEK), Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany; Institute for Diabetes and Cancer (IDC), Helmholtz Center Munich, Neuherberg, Germany; German Center for Cardiovascular Research, Partner Site Munich Heart Alliance, Munich, Germany
| | - Hülya Bayir
- Department of Pediatrics, Columbia University, New York City, NY, USA
| | - Christina M Bebber
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Translational Genomics, Cologne, Germany; CECAD Cluster of Excellence, University of Cologne, Cologne, Germany
| | - Kivanc Birsoy
- Laboratory of Metabolic Regulation and Genetics, Rockefeller University, New York City, NY, USA
| | - Jan P Böttcher
- Institute of Molecular Immunology, School of Medicine, Technical University of Munich (TUM), Germany
| | - Simone Brabletz
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Germany
| | - Thomas Brabletz
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Germany
| | - Ashley R Brown
- Department of Biological Sciences, Columbia University, New York City, NY, USA
| | - Bernhard Brüne
- Institute of Biochemistry1-Pathobiochemistry, Goethe-Universität, Frankfurt Am Main, Germany
| | - Giorgia Bulli
- Department of Physiological Genomics, Ludwig-Maximilians-University, Munich, Germany
| | - Alix Bruneau
- Department of Hepatology and Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Berlin, Germany
| | - Quan Chen
- College of Life Sciences, Nankai University, Tianjin, China
| | - Gina M DeNicola
- Department of Metabolism and Physiology, Moffitt Cancer Center, Tampa, FL, USA
| | - Tobias P Dick
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ) Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, 69120, Heidelberg, Germany
| | - Ayelén Distéfano
- Instituto de Investigaciones Biológicas, CONICET, National University of Mar Del Plata, Argentina
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Jan B Engler
- Institute of Neuroimmunology and Multiple Sclerosis, University Medical Center Hamburg-Eppendorf, Germany
| | | | - Maria Fedorova
- Center of Membrane Biochemistry and Lipid Research, University Hospital Carl Gustav Carus and Faculty of Medicine of TU Dresden, Germany
| | - José Pedro Friedmann Angeli
- Rudolf Virchow Zentrum, Center for Integrative and Translational Bioimaging - University of Würzburg, Germany
| | - Manuel A Friese
- Institute of Neuroimmunology and Multiple Sclerosis, University Medical Center Hamburg-Eppendorf, Germany
| | - Dominic C Fuhrmann
- Institute of Biochemistry1-Pathobiochemistry, Goethe-Universität, Frankfurt Am Main, Germany
| | - Ana J García-Sáez
- Institute for Genetics, CECAD, University of Cologne, Germany; Max Planck Institute of Biophysics, Frankfurt/Main, Germany
| | | | - Magdalena Götz
- Department of Physiological Genomics, Ludwig-Maximilians-University, Munich, Germany; Institute of Stem Cell Research, Helmholtz Center Munich, Germany
| | - Wei Gu
- Institute for Cancer Genetics, And Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA; Department of Pathology and Cell Biology, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA
| | - Linda Hammerich
- Department of Hepatology and Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Berlin, Germany
| | | | - Xuejun Jiang
- Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York City, NY, USA
| | - Aicha Jeridi
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), Germany, Member of the German Center for Lung Research (DZL)
| | - Yun Pyo Kang
- College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Republic of Korea
| | | | - David B Konrad
- Department of Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Stefan Kotschi
- Institute for Cardiovascular Prevention (IPEK), Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Peng Lei
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Marlène Le Tertre
- Center for Translational Biomedical Iron Research, Heidelberg University, Germany
| | - Sima Lev
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Deguang Liang
- Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York City, NY, USA
| | - Andreas Linkermann
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Germany; Division of Nephrology, Department of Medicine, Albert Einstein College of Medicine, New York, NY, USA
| | - Carolin Lohr
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Svenja Lorenz
- Institute of Metabolism and Cell Death, Helmholtz Center Munich, Germany
| | - Tom Luedde
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Axel Methner
- Institute of Molecular Medicine, Johannes Gutenberg-Universität Mainz, Germany
| | - Bernhard Michalke
- Research Unit Analytical Biogeochemistry, Helmholtz Center Munich, Germany
| | - Anna V Milton
- Department of Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Junxia Min
- School of Medicine, Zhejiang University, Hangzhou, China
| | - Eikan Mishima
- Institute of Metabolism and Cell Death, Helmholtz Center Munich, Germany
| | | | - Hozumi Motohashi
- Department of Gene Expression Regulation, Tohoku University, Sendai, Japan
| | | | - Shohei Murakami
- Department of Gene Expression Regulation, Tohoku University, Sendai, Japan
| | - James A Olzmann
- Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA; Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA; Chan Zuckerberg Biohub, San Francisco, CA, USA
| | - Gabriela Pagnussat
- Instituto de Investigaciones Biológicas, CONICET, National University of Mar Del Plata, Argentina
| | - Zijan Pan
- School of Life Sciences, Westlake University, Hangzhou, China
| | | | | | - Derek A Pratt
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Canada
| | - Bettina Proneth
- Institute of Metabolism and Cell Death, Helmholtz Center Munich, Germany
| | - Lukas Ramsauer
- Institute of Molecular Immunology, School of Medicine, Technical University of Munich (TUM), Germany
| | | | - Yoshiro Saito
- Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Felix Schmidt
- Institute of Molecular Medicine, Johannes Gutenberg-Universität Mainz, Germany
| | - Carina Schmitt
- Department of Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Almut Schulze
- Division of Tumour Metabolism and Microenvironment, DKFZ Heidelberg and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Annemarie Schwab
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Germany
| | - Anna Schwantes
- Institute of Biochemistry1-Pathobiochemistry, Goethe-Universität, Frankfurt Am Main, Germany
| | - Mariluz Soula
- Laboratory of Metabolic Regulation and Genetics, Rockefeller University, New York City, NY, USA
| | - Benedikt Spitzlberger
- Department of Immunobiology, Université de Lausanne, Switzerland; Center of Allergy and Environment (ZAUM), Technical University of Munich and Helmholtz Center Munich, Munich, Germany
| | - Brent R Stockwell
- Department of Biological Sciences, Columbia University, New York City, NY, USA; Department of Pathology and Cell Biology, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA; Department of Chemistry, Columbia University, New York, NY, USA
| | - Leonie Thewes
- Department of Neurology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | | | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan; Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan; Center for Integrated Sciences of Low-temperature Plasma Core Research (iPlasma Core), Tokai National Higher Education and Research System, Nagoya, Japan
| | - Wulf Tonnus
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Germany
| | - Andreas Trumpp
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM GGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Peter Vandenabeele
- VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Tom Vanden Berghe
- Department of Biomedical Sciences, University of Antwerp, Belgium; VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Vivek Venkataramani
- Comprehensive Cancer Center Mainfranken, University Hospital Würzburg, Germany
| | - Felix C E Vogel
- Division of Tumour Metabolism and Microenvironment, DKFZ Heidelberg and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Silvia von Karstedt
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Translational Genomics, Cologne, Germany; CECAD Cluster of Excellence, University of Cologne, Cologne, Germany; University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne, Germany
| | - Fudi Wang
- School of Medicine, Zhejiang University, Hangzhou, China
| | | | - Chantal Wientjens
- Immunopathology Unit, Institute of Clinical Chemistry and Clinical Pharmacology, Medical Faculty, University Hospital Bonn, University of Bonn, Germany
| | - Christoph Wilhelm
- Immunopathology Unit, Institute of Clinical Chemistry and Clinical Pharmacology, Medical Faculty, University Hospital Bonn, University of Bonn, Germany
| | - Michele Wölk
- Center of Membrane Biochemistry and Lipid Research, University Hospital Carl Gustav Carus and Faculty of Medicine of TU Dresden, Germany
| | - Katherine Wu
- Department of Pathology, Grossman School of Medicine, New York University, NY, USA
| | - Xin Yang
- Institute for Cancer Genetics, And Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA
| | - Fan Yu
- College of Life Sciences, Nankai University, Tianjin, China
| | - Yilong Zou
- School of Life Sciences, Westlake University, Hangzhou, China; Westlake Four-Dimensional Dynamic Metabolomics (Meta4D) Laboratory, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, China
| | - Marcus Conrad
- Institute of Metabolism and Cell Death, Helmholtz Center Munich, Germany.
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5
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Cao X, Guo H, Dai Y, Jiang G, Liu W, Li X, Zhang D, Huang Y, Wang X, Hua H, Wang J, Chen K, Chi C, Liu H. Excessive linoleic acid induces muscle oxidative stress through 5-lipoxygenase-dependent peroxidation. Redox Biol 2024; 71:103096. [PMID: 38387137 PMCID: PMC10899062 DOI: 10.1016/j.redox.2024.103096] [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: 01/15/2024] [Revised: 02/18/2024] [Accepted: 02/18/2024] [Indexed: 02/24/2024] Open
Abstract
Oxidative stress in muscles is closely related to the occurrence of insulin resistance, muscle weakness and atrophy, age-related sarcopenia, and cancer. Aldehydes, a primary oxidation intermediate of polyunsaturated fatty acids, have been proven to be an important trigger for oxidative stress. However, the potential role of linoleic acid (LA) as a donor for volatile aldehydes to trigger oxidative stress has not been reported. Here, we reported that excessive dietary LA caused muscle redox imbalance and volatile aldehydes containing hexanal, 2-hexenal, and nonanal were the main metabolites leading to oxidative stress. Importantly, we identified 5-lipoxygenase (5-LOX) as a key enzyme mediating LA peroxidation in crustaceans for the first time. The inhibition of 5-LOX significantly suppressed the content of aldehydes produced by excessive LA. Mechanistically, the activation of the cyclic adenosine monophosphate (cAMP)-protein kinase A (PKA) pathway facilitated the translocation of 5-LOX from the nucleus to the cytoplasm, where 5-LOX oxidized LA, leading to oxidative stress through the generation of aldehydes. This study suggests that 5-LOX is a potential target to prevent the production of harmful aldehydes.
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Affiliation(s)
- Xiufei Cao
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Huixing Guo
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Yongjun Dai
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Guangzhen Jiang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China.
| | - Wenbin Liu
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China.
| | - Xiangfei Li
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Dingdong Zhang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Yangyang Huang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Xi Wang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Haokun Hua
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Jianfeng Wang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Keke Chen
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Cheng Chi
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
| | - Hengtong Liu
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, National Experimental Teaching Center for Animal Science, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang Road, 210095, Nanjing, Jiangsu, People's Republic of China
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Cox A, Brown KC, Valentovic MA. The E-liquid flavoring vanillin alters energy and autophagic pathways in human proximal tubule (HK-2) epithelial cells. Chem Biol Interact 2024; 394:111003. [PMID: 38608998 DOI: 10.1016/j.cbi.2024.111003] [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: 03/08/2024] [Revised: 04/04/2024] [Accepted: 04/07/2024] [Indexed: 04/14/2024]
Abstract
The use of flavored e-liquids in electronic nicotine delivery systems (ENDS) has become very popular in recent years, but effects of these products have not been well characterized outside the lung. In this study, acute exposure to the popular flavoring vanillin (VAN) was performed on human proximal tubule (HK-2) kidney cells. Cells were exposed to 0-1000 μM VAN for 24 or 48 h and cellular stress responses were determined. Mitochondrial viability using MTT assay showed a significant decrease between the control and 1000 μM group by 48 h. Seahorse XFp analysis showed significantly increased basal respiration, ATP production, and proton leak after 24 h exposure. By 48 h exposure, these parameters remained significantly increased in addition to non-mitochondrial respiration and maximal respiration. Glycolytic activity after 24 h exposure showed significant decreases in glycolysis, glycolytic capacity, glycolytic reserve, and non-glycolytic acidification. The autophagy markers microtubule-associated protein 1A/1B light chain 3 (LC3B-I and LC3B-II) were probed via western blotting. The ratio of LC3B-II/LC3B-I was significantly increased after 24 h exposure to VAN, but by 48 h this ratio significantly decreased. The mitophagy marker PINK1 showed an increasing trend at 24 h, and its downstream target Parkin was significantly increased between the control and 750 μM group only. Finally, the oxidative stress marker 4-HNE was significantly decreased after 48 h exposure to VAN. These results indicate that acute exposure to VAN in the kidney HK-2 model can induce energy and autophagic changes within the cell.
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Affiliation(s)
- Ashley Cox
- Department of Biomedical Sciences, Toxicology Research Cluster, Marshall University Joan C. Edwards School of Medicine, Huntington, WV, 25701, USA
| | - Kathleen C Brown
- Department of Biomedical Sciences, Toxicology Research Cluster, Marshall University Joan C. Edwards School of Medicine, Huntington, WV, 25701, USA
| | - Monica A Valentovic
- Department of Biomedical Sciences, Toxicology Research Cluster, Marshall University Joan C. Edwards School of Medicine, Huntington, WV, 25701, USA.
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7
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Cogut V, Goris M, Jansma A, van der Staaij M, Henning RH. Hippocampal neuroimmune response in mice undergoing serial daily torpor induced by calorie restriction. Front Neuroanat 2024; 18:1334206. [PMID: 38686173 PMCID: PMC11056553 DOI: 10.3389/fnana.2024.1334206] [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: 11/06/2023] [Accepted: 03/11/2024] [Indexed: 05/02/2024] Open
Abstract
Hibernating animals demonstrate a remarkable ability to withstand extreme physiological brain changes without triggering adverse neuroinflammatory responses. While hibernators may offer valuable insights into the neuroprotective mechanisms inherent to hibernation, studies using such species are constrained by the limited availability of molecular tools. Laboratory mice may serve as an alternative, entering states of hypometabolism and hypothermia similar to the torpor observed in hibernation when faced with energy shortage. Notably, prolonged calorie restriction (CR) induces serial daily torpor patterns in mice, comparable to species that utilize daily hibernation. Here, we examined the neuroinflammatory response in the hippocampus of male C57BL/6 mice undergoing serial daily torpor induced by a 30% CR for 4 weeks. During daily torpor episodes, CR mice exhibited transient increases in TNF-α mRNA expression, which normalized upon arousal. Concurrently, the CA1 region of the hippocampus showed persistent morphological changes in microglia, characterized by reduced cell branching, decreased cell complexity and altered shape. Importantly, these morphological changes were not accompanied by evident signs of astrogliosis or oxidative stress, typically associated with detrimental neuroinflammation. Collectively, the adaptive nature of the brain's inflammatory response to CR-induced torpor in mice parallels observations in hibernators, highlighting its value for studying the mechanisms of brain resilience during torpor. Such insights could pave the way for novel therapeutic interventions in stroke and neurodegenerative disorders in humans.
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Affiliation(s)
- Valeria Cogut
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, Groningen, Netherlands
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8
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Pfeifer GP. DNA Damage and Parkinson's Disease. Int J Mol Sci 2024; 25:4187. [PMID: 38673772 PMCID: PMC11050701 DOI: 10.3390/ijms25084187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 03/20/2024] [Accepted: 04/07/2024] [Indexed: 04/28/2024] Open
Abstract
The etiology underlying most sporadic Parkinson's' disease (PD) cases is unknown. Environmental exposures have been suggested as putative causes of the disease. In cell models and in animal studies, certain chemicals can destroy dopaminergic neurons. However, the mechanisms of how these chemicals cause the death of neurons is not understood. Several of these agents are mitochondrial toxins that inhibit the mitochondrial complex I of the electron transport chain. Familial PD genes also encode proteins with important functions in mitochondria. Mitochondrial dysfunction of the respiratory chain, in combination with the presence of redox active dopamine molecules in these cells, will lead to the accumulation of reactive oxygen species (ROS) in dopaminergic neurons. Here, I propose a mechanism regarding how ROS may lead to cell killing with a specificity for neurons. One rarely considered hypothesis is that ROS produced by defective mitochondria will lead to the formation of oxidative DNA damage in nuclear DNA. Many genes that encode proteins with neuron-specific functions are extraordinary long, ranging in size from several hundred kilobases to well over a megabase. It is predictable that such long genes will contain large numbers of damaged DNA bases, for example in the form of 8-oxoguanine (8-oxoG), which is a major DNA damage type produced by ROS. These DNA lesions will slow down or stall the progression of RNA polymerase II, which is a term referred to as transcription stress. Furthermore, ROS-induced DNA damage may cause mutations, even in postmitotic cells such as neurons. I propose that the impaired transcription and mutagenesis of long, neuron-specific genes will lead to a loss of neuronal integrity, eventually leading to the death of these cells during a human lifetime.
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Affiliation(s)
- Gerd P Pfeifer
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI 49503, USA
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9
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Rossetto IMU, Santos FR, da Silva HM, Minatel E, Mesquitta M, Salvador MJ, Montico F, Cagnon VHA. Tempol effect on oxidative and mitochondrial markers in preclinical models for prostate cancer. Toxicol Res (Camb) 2024; 13:tfae056. [PMID: 38623092 PMCID: PMC11015989 DOI: 10.1093/toxres/tfae056] [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: 11/09/2023] [Revised: 03/04/2024] [Accepted: 04/04/2024] [Indexed: 04/17/2024] Open
Abstract
Background Tempol is a redox-cycling nitroxide considered a potent antioxidant. The present study investigated the tempol effects on oxidative stress and mitochondrial markers on prostate cancer (PCa). Methods PC-3 and LnCaP cells were exposed to tempol. Cell viability test, western blot and Amplex Red analyses were performed. In vivo, five experimental groups evaluated tempol effects in the early (CT12 and TPL12 groups) and late stages (CT20, TPL20-I, and TLP20-II) of PCa development. The TPL groups were treated with 50 or 100 mg/kg tempol doses. Control groups received water as the vehicle. The ventral lobe of the prostate and the blood were collected and submitted to western blotting or enzymatic activity analyses. Results In vitro, tempol decreased cell viability and differentially altered the H2O2 content for PC-3 and LNCaP. Tempol increased SOD2 levels in both cell lines and did not alter Catalase protein levels. In vivo, tempol increased SOD2 levels in the early stage and did not change Catalase levels in the different PCa stages. Systemically, tempol decreased SOD2 levels in the late-stage and improved redox status in the early and late stages, which was confirmed by reduced LDH in tempol groups. Alterations on energetic metabolism and oxidative phosphorylation were observed in TRAMP model. Conclusion Tempol can be considered a beneficial therapy for PCa treatment considering its antioxidant and low toxicity properties, however the PCa progression must be evaluated to get successful therapy.
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Affiliation(s)
- Isabela Maria Urra Rossetto
- Department of Structural and Functional Biology, University of Campinas (UNICAMP), 255 Monteiro Lobato St., Campinas, SP 13083862, Brazil
| | - Felipe Rabelo Santos
- Department of Structural and Functional Biology, University of Campinas (UNICAMP), 255 Monteiro Lobato St., Campinas, SP 13083862, Brazil
| | - Heloina Mariano da Silva
- Department of Structural and Functional Biology, University of Campinas (UNICAMP), 255 Monteiro Lobato St., Campinas, SP 13083862, Brazil
| | - Elaine Minatel
- Department of Structural and Functional Biology, University of Campinas (UNICAMP), 255 Monteiro Lobato St., Campinas, SP 13083862, Brazil
| | - Mariana Mesquitta
- Department of Plant Biology, University of Campinas (UNICAMP), 255 Monteiro Lobato St., Campinas, SP 13083862, Brazil
| | - Marcos José Salvador
- Department of Plant Biology, University of Campinas (UNICAMP), 255 Monteiro Lobato St., Campinas, SP 13083862, Brazil
| | - Fábio Montico
- Department of Structural and Functional Biology, University of Campinas (UNICAMP), 255 Monteiro Lobato St., Campinas, SP 13083862, Brazil
| | - Valéria Helena Alves Cagnon
- Department of Structural and Functional Biology, University of Campinas (UNICAMP), 255 Monteiro Lobato St., Campinas, SP 13083862, Brazil
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10
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Matayoshi CL, Jiménez Guaman OM, Esteso ML, Pavoni M, Arán M, Pena LB, Gallego SM. Cadmium and copper-induced metabolic and proteomic changes in the root tip during early maize growth. Biometals 2024; 37:405-419. [PMID: 37987956 DOI: 10.1007/s10534-023-00557-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 10/23/2023] [Indexed: 11/22/2023]
Abstract
In this study, the metabolic adjustments performed by maize (Zea mays L.) seminal roots exposed to 25 µM Cd2+ or 25 µM Cu2+ at pre-emergence are compared, focusing on the proteomic changes after metal exposure. Root width was increased, and root length was decreased after 72 h of metal treatment. Both metals induced H2O2 accumulation and lipid peroxidation in the root tip. These changes were accompanied by increases in lipoxygenase activity and 4-hydroxy-2-nonenal content. NMR spectroscopy revealed that the abundance of 38 water-soluble metabolites was significantly modified by Cd and Cu exposure; this set of metabolites comprised carboxylic acids, amino acids, carbohydrates, and unidentified phenolic compounds. Linoleic acid content significantly decreased in Cu-treated samples. The total amount of proteins detected in maize root apexes was 2,171. Gene ontology enrichment analysis of the differentially accumulated proteins was performed to detect pathways probably affected by metal additions. Both metals altered redox homeostasis, up-regulated oxylipins biosynthetic process, and shifted metabolism towards the oxidative pentose-phosphate in the root apexes. However, the methionine salvage pathway appears as a key metabolic module only under Cd stress. The integrative analysis carried out in this study suggests that most molecular features behind the reprogramming of maize root tips to cope with cadmium and copper toxicity are common, but some are not.
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Affiliation(s)
- Carolina Lucila Matayoshi
- Departamento de Química Biológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, 1º Piso, C1113AAD, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Odalis Maholi Jiménez Guaman
- Departamento de Química Biológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, 1º Piso, C1113AAD, Buenos Aires, Argentina
| | - Marcos Leopoldo Esteso
- Departamento de Química Biológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, 1º Piso, C1113AAD, Buenos Aires, Argentina
| | - Micaela Pavoni
- Departamento de Química Biológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, 1º Piso, C1113AAD, Buenos Aires, Argentina
| | - Martín Arán
- Laboratorio de Resonancia Magnética Nuclear, Fundación Instituto Leloir, IIBBA-CONICET, Buenos Aires, Argentina
| | - Liliana Beatriz Pena
- Departamento de Química Biológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, 1º Piso, C1113AAD, Buenos Aires, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Universidad de Buenos Aires, Buenos Aires, Argentina.
| | - Susana Mabel Gallego
- Departamento de Química Biológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, 1º Piso, C1113AAD, Buenos Aires, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Universidad de Buenos Aires, Buenos Aires, Argentina.
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11
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Smyth SP, Nixon B, Skerrett-Byrne DA, Burke ND, Bromfield EG. Building an Understanding of Proteostasis in Reproductive Cells: The Impact of Reactive Carbonyl Species on Protein Fate. Antioxid Redox Signal 2024. [PMID: 38115641 DOI: 10.1089/ars.2023.0314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Significance: Stringent regulation of protein homeostasis pathways, under both physiological and pathological conditions, is necessary for the maintenance of proteome fidelity and optimal cell functioning. However, when challenged by endogenous or exogenous stressors, these proteostasis pathways can become dysregulated with detrimental consequences for protein fate, cell survival, and overall organism health. Most notably, there are numerous somatic pathologies associated with a loss of proteostatic regulation, including neurodegenerative disorders, type 2 diabetes, and some cancers. Recent Advances: Lipid oxidation-derived reactive carbonyl species (RCS), such as 4-hydroxynonenal (4HNE) and malondialdehyde, are relatively underappreciated purveyors of proteostatic dysregulation, which elicit their effects via the nonenzymatic post-translational modification of proteins. Emerging evidence suggests that a subset of germline proteins can serve as substrates for 4HNE modification. Among these, prevalent targets include succinate dehydrogenase, heat shock protein A2 and A-kinase anchor protein 4, all of which are intrinsically associated with fertility. Critical Issues: Despite growing knowledge in this field, the RCS adductomes of spermatozoa and oocytes are yet to be comprehensively investigated. Furthermore, the manner by which RCS-mediated adduction impacts protein fate and drives cellular responses, such as protein aggregation, requires further examination in the germline. Given that RCS-protein adduction has been attributed a role in infertility, there has been sparked research investment into strategies to prevent lipid peroxidation in germ cells. Future Directions: An increased depth of knowledge regarding the mechanisms and substrates of RCS-mediated protein modification in reproductive cells may reveal important targets for the development of novel therapies to improve fertility and pregnancy outcomes for future generations.
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Affiliation(s)
- Shannon P Smyth
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
- Bio21 Institute, School of BioSciences, Faculty of Science, University of Melbourne, Parkville, Victoria, Australia
| | - Brett Nixon
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
| | - David A Skerrett-Byrne
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Nathan D Burke
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
- Bio21 Institute, School of BioSciences, Faculty of Science, University of Melbourne, Parkville, Victoria, Australia
| | - Elizabeth G Bromfield
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
- Bio21 Institute, School of BioSciences, Faculty of Science, University of Melbourne, Parkville, Victoria, Australia
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12
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Podinic T, Limoges L, Monaco C, MacAndrew A, Minhas M, Nederveen J, Raha S. Cannabidiol Disrupts Mitochondrial Respiration and Metabolism and Dysregulates Trophoblast Cell Differentiation. Cells 2024; 13:486. [PMID: 38534330 DOI: 10.3390/cells13060486] [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: 01/23/2024] [Revised: 03/01/2024] [Accepted: 03/06/2024] [Indexed: 03/28/2024] Open
Abstract
Trophoblast differentiation is a crucial process in the formation of the placenta where cytotrophoblasts (CTs) differentiate and fuse to form the syncytiotrophoblast (ST). The bioactive components of cannabis, such as Δ9-THC, are known to disrupt trophoblast differentiation and fusion, as well as mitochondrial dynamics and respiration. However, less is known about the impact of cannabidiol (CBD) on trophoblast differentiation. Due to the central role of mitochondria in stem cell differentiation, we evaluated the impact of CBD on trophoblast mitochondrial function and differentiation. Using BeWo b30 cells, we observed decreased levels of mRNA for markers of syncytialization (GCM1, ERVW1, hCG) following 20 µM CBD treatment during differentiation. In CTs, CBD elevated transcript levels for the mitochondrial and cellular stress markers HSP60 and HSP70, respectively. Furthermore, CBD treatment also increased the lipid peroxidation and oxidative damage marker 4-hydroxynonenal. Mitochondrial membrane potential, basal respiration and ATP production were diminished with the 20 µM CBD treatment in both sub-lineages. mRNA levels for endocannabinoid system (ECS) components (FAAH, NAPEPLD, TRPV1, CB1, CB2, PPARγ) were altered differentially by CBD in CTs and STs. Overall, we demonstrate that CBD impairs trophoblast differentiation and fusion, as well as mitochondrial bioenergetics and redox homeostasis.
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Affiliation(s)
- Tina Podinic
- Graduate Program in Medical Sciences, Department of Pediatrics, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
| | - Louise Limoges
- Graduate Program in Medical Sciences, Department of Pediatrics, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
| | - Cristina Monaco
- Graduate Program in Medical Sciences, Department of Pediatrics, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
| | - Andie MacAndrew
- Graduate Program in Medical Sciences, Department of Pediatrics, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
| | - Mahek Minhas
- Department of Pediatrics, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
- Department of Kinesiology, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
| | - Joshua Nederveen
- Department of Pediatrics, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
- Department of Kinesiology, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
| | - Sandeep Raha
- Graduate Program in Medical Sciences, Department of Pediatrics, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4K1, Canada
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13
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Nègre-Salvayre A, Salvayre R. Reactive Carbonyl Species and Protein Lipoxidation in Atherogenesis. Antioxidants (Basel) 2024; 13:232. [PMID: 38397830 PMCID: PMC10886358 DOI: 10.3390/antiox13020232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
Atherosclerosis is a multifactorial disease of medium and large arteries, characterized by the presence of lipid-rich plaques lining the intima over time. It is the main cause of cardiovascular diseases and death worldwide. Redox imbalance and lipid peroxidation could play key roles in atherosclerosis by promoting a bundle of responses, including endothelial activation, inflammation, and foam cell formation. The oxidation of polyunsaturated fatty acids generates various lipid oxidation products such as reactive carbonyl species (RCS), including 4-hydroxy alkenals, malondialdehyde, and acrolein. RCS covalently bind to nucleophilic groups of nucleic acids, phospholipids, and proteins, modifying their structure and activity and leading to their progressive dysfunction. Protein lipoxidation is the non-enzymatic post-translational modification of proteins by RCS. Low-density lipoprotein (LDL) oxidation and apolipoprotein B (apoB) modification by RCS play a major role in foam cell formation. Moreover, oxidized LDLs are a source of RCS, which form adducts on a huge number of proteins, depending on oxidative stress intensity, the nature of targets, and the availability of detoxifying systems. Many systems are affected by lipoxidation, including extracellular matrix components, membranes, cytoplasmic and cytoskeletal proteins, transcription factors, and other components. The mechanisms involved in lipoxidation-induced vascular dysfunction are not fully elucidated. In this review, we focus on protein lipoxidation during atherogenesis.
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Affiliation(s)
- Anne Nègre-Salvayre
- Inserm Unité Mixte de Recherche (UMR), 1297 Toulouse, Centre Hospitalier Universitaire (CHU) Rangueil—BP 84225, 31432 Toulouse CEDEX 4, France;
- Faculty of Medicine, University of Toulouse, 31432 Toulouse, France
| | - Robert Salvayre
- Inserm Unité Mixte de Recherche (UMR), 1297 Toulouse, Centre Hospitalier Universitaire (CHU) Rangueil—BP 84225, 31432 Toulouse CEDEX 4, France;
- Faculty of Medicine, University of Toulouse, 31432 Toulouse, France
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14
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Herb M. NADPH Oxidase 3: Beyond the Inner Ear. Antioxidants (Basel) 2024; 13:219. [PMID: 38397817 PMCID: PMC10886416 DOI: 10.3390/antiox13020219] [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: 01/13/2024] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Reactive oxygen species (ROS) were formerly known as mere byproducts of metabolism with damaging effects on cellular structures. The discovery and description of NADPH oxidases (Nox) as a whole enzyme family that only produce this harmful group of molecules was surprising. After intensive research, seven Nox isoforms were discovered, described and extensively studied. Among them, the NADPH oxidase 3 is the perhaps most underrated Nox isoform, since it was firstly discovered in the inner ear. This stigma of Nox3 as "being only expressed in the inner ear" was also used by me several times. Therefore, the question arose whether this sentence is still valid or even usable. To this end, this review solely focuses on Nox3 and summarizes its discovery, the structural components, the activating and regulating factors, the expression in cells, tissues and organs, as well as the beneficial and detrimental effects of Nox3-mediated ROS production on body functions. Furthermore, the involvement of Nox3-derived ROS in diseases progression and, accordingly, as a potential target for disease treatment, will be discussed.
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Affiliation(s)
- Marc Herb
- Institute for Medical Microbiology, Immunology and Hygiene, Faculty of Medicine, University Hospital Cologne, University of Cologne, 50935 Cologne, Germany;
- German Centre for Infection Research, Partner Site Bonn-Cologne, 50931 Cologne, Germany
- Cologne Cluster of Excellence on Cellular Stress Responses in Aging-Associated Diseases (CECAD), 50931 Cologne, Germany
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15
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Sakai Y, Egawa D, Hattori J, Morikawa Y, Suenami K, Takayama T, Nagai A, Michiue T, Ikari A, Matsunaga T. α-Pyrrolidinononanophenone derivatives induce differentiated SH-SY5Y neuroblastoma cell apoptosis via reduction of antioxidant capacity: Involvement of NO depletion and inactivation of Nrf2/HO1 signaling pathway. Neurotoxicology 2024; 100:3-15. [PMID: 38040126 DOI: 10.1016/j.neuro.2023.11.010] [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: 09/06/2023] [Revised: 11/12/2023] [Accepted: 11/25/2023] [Indexed: 12/03/2023]
Abstract
α-Pyrrolidinononanophenone (α-PNP) derivatives are known to be one of the hazardous new psychoactive substances due to the most extended hydrocarbon chains of any pyrrolidinophenones on the illicit drug market. Our previous report showed that 4'-iodo-α-PNP (I-α-PNP) is the most potent cytotoxic compound among α-PNP derivatives and induces apoptosis due to mitochondrial dysfunction and suppression of nitric oxide (NO) production in differentiated human neuronal SH-SY5Y cells. In this study, to clarify the detailed action mechanisms by I-α-PNP, we investigated the mechanism of reactive oxygen species (ROS) -dependent apoptosis by I-α-PNP in differentiated SH-SY5Y with a focus on the antioxidant activities. Treatment with I-α-PNP elicits overproduction of ROS such as H2O2, hydroxyl radical, and 4-hydroxy-2-nonenal, and pretreatment with antioxidant N-acetyl-L-cysteine is attenuated the SH-SY5Y cells apoptosis by I-α-PNP. These results suggested that the overproduction of ROS is related to SH-SY5Y cell apoptosis by I-α-PNP. In addition, I-α-PNP markedly decreased antioxidant capacity in differentiated cells than in undifferentiated cells and inhibited the upregulation of hemeoxygenase 1 (HO1) and glutathione peroxidase 4 (GPX4) expression caused by induction of differentiation. Furthermore, the treatment with I-α-PNP increased the nuclear expression level of BTB Domain And CNC Homolog 1 (Bach1), a transcriptional repressor of Nrf2, only in differentiated cells, suggesting that the marked decrease in antioxidant capacity in differentiated cells was due to suppression of Nrf2/HO1 signaling by Bach1. Additionally, pretreatment with an NO donor suppresses the I-α-PNP-evoked ROS overproduction, HO1 down-regulation, increased nuclear Bach1 expression and reduced antioxidant activity in the differentiated cells. These findings suggest that the ROS-dependent apoptosis by I-α-PNP in differentiated cells is attributed to the inactivation of the Nrf2/HO1 signaling pathway triggered by NO depletion.
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Affiliation(s)
- Yuji Sakai
- Forensic Science Laboratory, Gifu Prefectural Police Headquarters, Gifu 500-8501, Japan.
| | - Daisuke Egawa
- Laboratory of Bioinformatics, Gifu Pharmaceutical University, Gifu 502-8585, Japan
| | - Junta Hattori
- Laboratory of Bioinformatics, Gifu Pharmaceutical University, Gifu 502-8585, Japan
| | - Yoshifumi Morikawa
- Forensic Science Laboratory, Gifu Prefectural Police Headquarters, Gifu 500-8501, Japan
| | - Koichi Suenami
- Forensic Science Laboratory, Gifu Prefectural Police Headquarters, Gifu 500-8501, Japan
| | - Tomohiro Takayama
- Forensic Science Laboratory, Gifu Prefectural Police Headquarters, Gifu 500-8501, Japan
| | - Atsushi Nagai
- Department of Legal Medicine, Graduate School of Medicine, Gifu University, Gifu 501-1194, Japan
| | - Tomomi Michiue
- Department of Legal Medicine, Graduate School of Medicine, Gifu University, Gifu 501-1194, Japan
| | - Akira Ikari
- Laboratory of Biochemistry, Gifu Pharmaceutical University, Gifu 501-1196, Japan
| | - Toshiyuki Matsunaga
- Laboratory of Bioinformatics, Gifu Pharmaceutical University, Gifu 502-8585, Japan
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16
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Mele VG, Chioccarelli T, Finamore R, D’Agostino A, d’Agostino M, Cimini D, Mattia M, Porreca V, Giori AM, Fasano S, Cobellis G, Schiraldi C, Chianese R, Manfrevola F. Antioxidants positively regulate obesity dependent circRNAs - sperm quality - functional axis. Front Endocrinol (Lausanne) 2023; 14:1290971. [PMID: 38169845 PMCID: PMC10758610 DOI: 10.3389/fendo.2023.1290971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/24/2023] [Indexed: 01/05/2024] Open
Abstract
Obesity is a pathophysiological condition, dependent on body fat accumulation, that progressively induces systemic oxidative stress/inflammation leading to a set of associated clinical manifestations, including male infertility. CircRNAs, covalently closed RNA molecules, are key regulators of sperm quality. Recently, we have characterized a complete profile of high-fat diet (HFD) spermatic circRNA cargo, predicting paternal circRNA dependent networks (ceRNETs), potentially involved in sperm oxidative stress and motility anomalies. In the current work, using HFD C57BL6/J male mice, orally treated with a mix of bioactive molecules (vitamin C; vitamin B12; vitamin E; selenium-L-methionine; glutathione-GSH) for 4 weeks, a reversion of HFD phenotype was observed. In addition, the functional action of the proposed formulations on circRNA biogenesis was evaluated by assessing the endogenous spermatic FUS-dependent backsplicing machinery and related circRNA cargo. After that, spermatic viability and motility were also analyzed. Paternal ceRNETs, potentially involved in oxidative stress regulation and sperm motility defects, were identified and used to suggest that the beneficial action of the food supplements here conveniently formulated on sperm motility was likely due to the recovery of circRNA profile. Such a hypothesis was, then, verified by an in vitro assay.
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Affiliation(s)
- Vincenza Grazia Mele
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Teresa Chioccarelli
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Rosario Finamore
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Antonella D’Agostino
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Maria d’Agostino
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Donatella Cimini
- Department of Sciences and Environmental, Biological and Pharmaceutical Technologies, University of Campania “Luigi Vanvitelli”, Caserta, Italy
| | - Monica Mattia
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Veronica Porreca
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | | | - Silvia Fasano
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Gilda Cobellis
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Chiara Schiraldi
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Rosanna Chianese
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Francesco Manfrevola
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
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17
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Oliva CA, Lira M, Jara C, Catenaccio A, Mariqueo TA, Lindsay CB, Bozinovic F, Cavieres G, Inestrosa NC, Tapia-Rojas C, Rivera DS. Long-term social isolation stress exacerbates sex-specific neurodegeneration markers in a natural model of Alzheimer's disease. Front Aging Neurosci 2023; 15:1250342. [PMID: 37810621 PMCID: PMC10557460 DOI: 10.3389/fnagi.2023.1250342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/30/2023] [Indexed: 10/10/2023] Open
Abstract
Social interactions have a significant impact on health in humans and animal models. Social isolation initiates a cascade of stress-related physiological disorders and stands as a significant risk factor for a wide spectrum of morbidity and mortality. Indeed, social isolation stress (SIS) is indicative of cognitive decline and risk to neurodegenerative conditions, including Alzheimer's disease (AD). This study aimed to evaluate the impact of chronic, long-term SIS on the propensity to develop hallmarks of AD in young degus (Octodon degus), a long-lived animal model that mimics sporadic AD naturally. We examined inflammatory factors, bioenergetic status, reactive oxygen species (ROS), oxidative stress, antioxidants, abnormal proteins, tau protein, and amyloid-β (Aβ) levels in the hippocampus of female and male degus that were socially isolated from post-natal and post-weaning until adulthood. Additionally, we explored the effect of re-socialization following chronic isolation on these protein profiles. Our results showed that SIS promotes a pro-inflammatory scenario more severe in males, a response that was partially mitigated by a period of re-socialization. In addition, ATP levels, ROS, and markers of oxidative stress are severely affected in female degus, where a period of re-socialization fails to restore them as it does in males. In females, these effects might be linked to antioxidant enzymes like catalase, which experience a decline across all SIS treatments without recovery during re-socialization. Although in males, a previous enzyme in antioxidant pathway diminishes in all treatments, catalase rebounds during re-socialization. Notably, males have less mature neurons after chronic isolation, whereas phosphorylated tau and all detectable forms of Aβ increased in both sexes, persisting even post re-socialization. Collectively, these findings suggest that long-term SIS may render males more susceptible to inflammatory states, while females are predisposed to oxidative states. In both scenarios, the accumulation of tau and Aβ proteins increase the individual susceptibility to early-onset neurodegenerative conditions such as AD.
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Affiliation(s)
- Carolina A. Oliva
- Centro para la Transversalización de Género en I+D+i+e, Vicerrectoría de Investigación y Doctorados, Universidad Autónoma de Chile, Santiago, Chile
| | - Matías Lira
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago, Chile
- Centro Científico y Tecnológico de Excelencia Ciencia & Vida, Santiago, Chile
| | - Claudia Jara
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago, Chile
| | - Alejandra Catenaccio
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago, Chile
- Centro Científico y Tecnológico de Excelencia Ciencia & Vida, Santiago, Chile
| | - Trinidad A. Mariqueo
- Centro de Investigaciones Médicas, Laboratorio de Neurofarmacología, Escuela de Medicina, Universidad de Talca, Talca, Chile
| | - Carolina B. Lindsay
- Laboratory of Neurosystems, Department of Neuroscience and Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Francisco Bozinovic
- Center of Applied Ecology and Sustainability (CAPES), Departamento de Ecología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Grisel Cavieres
- Center of Applied Ecology and Sustainability (CAPES), Departamento de Ecología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
- Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | - Nibaldo C. Inestrosa
- Center of Aging and Regeneration UC (CARE-UC), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
- Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Universidad de Magallanes, Punta Arenas, Chile
| | - Cheril Tapia-Rojas
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago, Chile
- Centro Científico y Tecnológico de Excelencia Ciencia & Vida, Santiago, Chile
| | - Daniela S. Rivera
- GEMA Center for Genomics, Ecology and Environment, Facultad de Ciencias, Ingeniería y Tecnología, Universidad Mayor, Santiago, Chile
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18
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Seo YS, Park JM, Kim JH, Lee MY. Cigarette Smoke-Induced Reactive Oxygen Species Formation: A Concise Review. Antioxidants (Basel) 2023; 12:1732. [PMID: 37760035 PMCID: PMC10525535 DOI: 10.3390/antiox12091732] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/28/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Smoking is recognized as a significant risk factor for numerous disorders, including cardiovascular diseases, respiratory conditions, and various forms of cancer. While the exact pathogenic mechanisms continue to be explored, the induction of oxidative stress via the production of excess reactive oxygen species (ROS) is widely accepted as a primary molecular event that predisposes individuals to these smoking-related ailments. This review focused on how cigarette smoke (CS) promotes ROS formation rather than the pathophysiological repercussions of ROS and oxidative stress. A comprehensive analysis of existing studies revealed the following key ways through which CS imposes ROS burden on biological systems: (1) ROS, as well as radicals, are intrinsically present in CS, (2) CS constituents generate ROS through chemical reactions with biomolecules, (3) CS stimulates cellular ROS sources to enhance production, and (4) CS disrupts the antioxidant system, aggravating the ROS generation and its functions. While the evidence supporting these mechanisms is chiefly based on in vitro and animal studies, the direct clinical relevance remains to be fully elucidated. Nevertheless, this understanding is fundamental for deciphering molecular events leading to oxidative stress and for developing intervention strategies to counter CS-induced oxidative stress.
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Affiliation(s)
| | | | | | - Moo-Yeol Lee
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Goyang-si 10326, Gyeonggi-do, Republic of Korea; (Y.-S.S.); (J.-M.P.); (J.-H.K.)
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19
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Gerber TS, Witzel HR, Weinmann A, Bartsch F, Schindeldecker M, Galle PR, Lang H, Roth W, Ridder DA, Straub BK. Reduced Lipid Peroxidation Predicts Unfavorable Prognosis in Hepatocellular Carcinoma, but Not Intrahepatic Cholangiocarcinoma. Biomedicines 2023; 11:2471. [PMID: 37760911 PMCID: PMC10525544 DOI: 10.3390/biomedicines11092471] [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: 07/28/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Primary liver cancer, including hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (iCCA), remains a significant contributor to cancer-related mortality worldwide. Oxidative stress and lipid peroxidation play a key role in chronic liver diseases and have been shown to be pivotal for tumor initiation and progression. 4-hydroxy-nonenal (4-HNE), one of the major mediators of oxidative stress and a well-established biomarker for lipid peroxidation, can act as a signal transducer, inducing inflammation and exerting carcinogenic effects. However, the role of 4-HNE in primary liver cancer remains poorly explored. In this study, we investigated 4-HNE levels in 797 liver carcinomas, including 561 HCC and 236 iCCA, by immunohistochemistry. We then correlated 4-HNE levels with comprehensive clinical data and survival outcomes. In HCC, lower expression levels of 4-HNE were associated with vascular invasion, a high tumor grade, a macrotrabecular-massive HCC subtype, and poor overall survival. Concerning iCCA, large duct iCCA showed significantly higher 4-HNE levels when compared to small duct iCCA. Yet, in iCCA, 4-HNE levels did not correlate with known prognostic parameters or survival outcomes. To conclude, in HCC but not in iCCA, low amounts of 4-HNE predict unfavorable survival outcomes and are associated with aggressive tumor behavior. These findings provide insights into the role of 4-HNE in liver cancer progression and may enable novel therapeutic strategies.
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Affiliation(s)
- Tiemo Sven Gerber
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (T.S.G.); (H.R.W.); (M.S.); (W.R.); (D.A.R.)
| | - Hagen Roland Witzel
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (T.S.G.); (H.R.W.); (M.S.); (W.R.); (D.A.R.)
| | - Arndt Weinmann
- Department of Internal Medicine, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (A.W.); (P.R.G.)
| | - Fabian Bartsch
- Department of General, Visceral and Transplant Surgery, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (F.B.); (H.L.)
| | - Mario Schindeldecker
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (T.S.G.); (H.R.W.); (M.S.); (W.R.); (D.A.R.)
- Tissue Biobank, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Peter R. Galle
- Department of Internal Medicine, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (A.W.); (P.R.G.)
| | - Hauke Lang
- Department of General, Visceral and Transplant Surgery, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (F.B.); (H.L.)
| | - Wilfried Roth
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (T.S.G.); (H.R.W.); (M.S.); (W.R.); (D.A.R.)
| | - Dirk Andreas Ridder
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (T.S.G.); (H.R.W.); (M.S.); (W.R.); (D.A.R.)
| | - Beate Katharina Straub
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; (T.S.G.); (H.R.W.); (M.S.); (W.R.); (D.A.R.)
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20
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Pezzotti G, Adachi T, Imamura H, Bristol DR, Adachi K, Yamamoto T, Kanamura N, Marin E, Zhu W, Kawai T, Mazda O, Kariu T, Waku T, Nichols FC, Riello P, Rizzolio F, Limongi T, Okuma K. In Situ Raman Study of Neurodegenerated Human Neuroblastoma Cells Exposed to Outer-Membrane Vesicles Isolated from Porphyromonas gingivalis. Int J Mol Sci 2023; 24:13351. [PMID: 37686157 PMCID: PMC10488263 DOI: 10.3390/ijms241713351] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 08/23/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
The aim of this study was to elucidate the chemistry of cellular degeneration in human neuroblastoma cells upon exposure to outer-membrane vesicles (OMVs) produced by Porphyromonas gingivalis (Pg) oral bacteria by monitoring their metabolomic evolution using in situ Raman spectroscopy. Pg-OMVs are a key factor in Alzheimer's disease (AD) pathogenesis, as they act as efficient vectors for the delivery of toxins promoting neuronal damage. However, the chemical mechanisms underlying the direct impact of Pg-OMVs on cell metabolites at the molecular scale still remain conspicuously unclear. A widely used in vitro model employing neuroblastoma SH-SY5Y cells (a sub-line of the SK-N-SH cell line) was spectroscopically analyzed in situ before and 6 h after Pg-OMV contamination. Concurrently, Raman characterizations were also performed on isolated Pg-OMVs, which included phosphorylated dihydroceramide (PDHC) lipids and lipopolysaccharide (LPS), the latter in turn being contaminated with a highly pathogenic class of cysteine proteases, a key factor in neuronal cell degradation. Raman characterizations located lipopolysaccharide fingerprints in the vesicle structure and unveiled so far unproved aspects of the chemistry behind protein degradation induced by Pg-OMV contamination of SH-SY5Y cells. The observed alterations of cells' Raman profiles were then discussed in view of key factors including the formation of amyloid β (Aβ) plaques and hyperphosphorylated Tau neurofibrillary tangles, and the formation of cholesterol agglomerates that exacerbate AD pathologies.
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Affiliation(s)
- Giuseppe Pezzotti
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8585, Japan; (H.I.)
- Department of Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (T.A.); (O.M.)
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (K.A.); (T.Y.); (N.K.)
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129 Torino, Italy;
- Department of Molecular Science and Nanosystems, Ca’ Foscari University of Venice, Via Torino 155, 30172 Venice, Italy; (P.R.); (F.R.)
| | - Tetsuya Adachi
- Department of Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (T.A.); (O.M.)
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (K.A.); (T.Y.); (N.K.)
- Department of Microbiology, School of Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata 573-1010, Japan
| | - Hayata Imamura
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8585, Japan; (H.I.)
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (K.A.); (T.Y.); (N.K.)
| | - Davide Redolfi Bristol
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8585, Japan; (H.I.)
- Department of Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (T.A.); (O.M.)
- Department of Molecular Science and Nanosystems, Ca’ Foscari University of Venice, Via Torino 155, 30172 Venice, Italy; (P.R.); (F.R.)
| | - Keiji Adachi
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (K.A.); (T.Y.); (N.K.)
| | - Toshiro Yamamoto
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (K.A.); (T.Y.); (N.K.)
| | - Narisato Kanamura
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (K.A.); (T.Y.); (N.K.)
| | - Elia Marin
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8585, Japan; (H.I.)
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (K.A.); (T.Y.); (N.K.)
| | - Wenliang Zhu
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8585, Japan; (H.I.)
| | - Toshihisa Kawai
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3301 College Avenue, Fort Lauderdale, FL 33314, USA;
| | - Osam Mazda
- Department of Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan; (T.A.); (O.M.)
| | - Toru Kariu
- Department of Life Science, Shokei University, Chuo-ku, Kuhonji, Kumamoto 862-8678, Japan;
| | - Tomonori Waku
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8585, Japan;
| | - Frank C. Nichols
- Department of Oral Health and Diagnostic Sciences, School of Dental Medicine, University of Connecticut, 263 Farmington Avenue, Storrs, CT 06030, USA;
| | - Pietro Riello
- Department of Molecular Science and Nanosystems, Ca’ Foscari University of Venice, Via Torino 155, 30172 Venice, Italy; (P.R.); (F.R.)
| | - Flavio Rizzolio
- Department of Molecular Science and Nanosystems, Ca’ Foscari University of Venice, Via Torino 155, 30172 Venice, Italy; (P.R.); (F.R.)
| | - Tania Limongi
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129 Torino, Italy;
| | - Kazu Okuma
- Department of Microbiology, School of Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata 573-1010, Japan
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21
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Berry SB, Espich S, Thuong NTT, Chang X, Dorajoo R, Khor CC, Heng CK, Yuan JM, Fox D, Anaya-Sanchez A, Tenney L, Chang CJ, Kotov DI, Vance RE, Dunstan SJ, Darwin KH, Stanley SA. Disruption of Aldehyde Dehydrogenase 2 protects against bacterial infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.24.554661. [PMID: 37662190 PMCID: PMC10473740 DOI: 10.1101/2023.08.24.554661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
The ALDH2*2 (rs671) allele is one of the most common genetic mutations in humans, yet the positive evolutionary selective pressure to maintain this mutation is unknown, despite its association with adverse health outcomes. ALDH2 is responsible for the detoxification of metabolically produced aldehydes, including lipid-peroxidation end products derived from inflammation. Here, we demonstrate that host-derived aldehydes 4-hydroxynonenal (4HNE), malondialdehyde (MDA), and formaldehyde (FA), all of which are metabolized by ALDH2, are directly toxic to the bacterial pathogens Mycobacterium tuberculosis and Francisella tularensis at physiological levels. We find that Aldh2 expression in macrophages is decreased upon immune stimulation, and that bone marrow-derived macrophages from Aldh2 -/- mice contain elevated aldehydes relative to wild-type mice. Macrophages deficient for Aldh2 exhibited enhanced control of Francisella infection. Finally , mice lacking Aldh2 demonstrated increased resistance to pulmonary infection by M. tuberculosis , including in a hypersusceptible model of tuberculosis, and were also resistant to Francisella infection. We hypothesize that the absence of ALDH2 contributes to the host's ability to control infection by pathogens such as M. tuberculosis and F. tularensis , and that host-derived aldehydes act as antimicrobial factors during intracellular bacterial infections. One sentence summary Aldehydes produced by host cells contribute to the control of bacterial infections.
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Shi YQ, Zhu XT, Zhang SN, Ma YF, Han YH, Jiang Y, Zhang YH. Premature ovarian insufficiency: a review on the role of oxidative stress and the application of antioxidants. Front Endocrinol (Lausanne) 2023; 14:1172481. [PMID: 37600717 PMCID: PMC10436748 DOI: 10.3389/fendo.2023.1172481] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 07/03/2023] [Indexed: 08/22/2023] Open
Abstract
Normal levels of reactive oxygen species (ROS) play an important role in regulating follicular growth, angiogenesis and sex hormone synthesis in ovarian tissue. When the balance between ROS and antioxidants is disrupted, however, it can cause serious consequences of oxidative stress (OS), and the quantity and quality of oocytes will decline. Therefore, this review discusses the interrelationship between OS and premature ovarian insufficiency (POI), the potential mechanisms and the methods by which antioxidants can improve POI through controlling the level of OS. We found that OS can mediate changes in genetic materials, signal pathways, transcription factors and ovarian microenvironment, resulting in abnormal apoptosis of ovarian granulosa cells (GCs) and abnormal meiosis as well as decreased mitochondrial Deoxyribonucleic Acid(mtDNA) and other changes, thus accelerating the process of ovarian aging. However, antioxidants, mesenchymal stem cells (MSCs), biological enzymes and other antioxidants can delay the disease process of POI by reducing the ROS level in vivo.
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Affiliation(s)
- Yu-Qian Shi
- Department of First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xi-Ting Zhu
- Department of First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Su-Na Zhang
- Department of First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yi-Fu Ma
- Department of First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yan-Hua Han
- Department of Obstetrics and Gynecology, Key Laboratory and Unit of Infertility in Chinese Medicine, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yue Jiang
- Department of Obstetrics and Gynecology, Key Laboratory and Unit of Infertility in Chinese Medicine, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yue-Hui Zhang
- Department of Obstetrics and Gynecology, Key Laboratory and Unit of Infertility in Chinese Medicine, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
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23
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Neuroprotective effects of curculigoside against Alzheimer’s disease via regulation oxidative stress mediated mitochondrial dysfunction in L-Glu-exposed HT22 cells and APP/PS1 mice. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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Ye S, Mahmood DFD, Ma F, Leng L, Bucala R, Vera PL. Urothelial Oxidative Stress and ERK Activation Mediate HMGB1-Induced Bladder Pain. Cells 2023; 12:1440. [PMID: 37408274 DOI: 10.3390/cells12101440] [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: 04/17/2023] [Revised: 05/08/2023] [Accepted: 05/15/2023] [Indexed: 07/07/2023] Open
Abstract
Activation of intravesical protease activated receptors-4 (PAR4) results in bladder pain through the release of urothelial macrophage migration inhibitory factor (MIF) and high mobility group box-1 (HMGB1). We aimed to identify HMGB1 downstream signaling events at the bladder that mediate HMGB1-induced bladder pain in MIF-deficient mice to exclude any MIF-related effects. We studied whether oxidative stress and ERK activation are involved by examining bladder tissue in mice treated with intravesical disulfide HMGB1 for 1 h and analyzed with Western blot and immunohistochemistry. HMGB1 intravesical treatment increased urothelium 4HNE and phospho-ERK1/2 staining, suggesting that HMGB1 increased urothelial oxidative stress and ERK activation. Furthermore, we examined the functional roles of these events. We evaluated lower abdominal mechanical thresholds (an index of bladder pain) before and 24 h after intravesical PAR4 or disulfide HMGB1. Intravesical pre-treatments (10 min prior) included: N-acetylcysteine amide (NACA, reactive oxygen species scavenger) and FR180204 (FR, selective ERK1/2 inhibitor). Awake micturition parameters (voided volume; frequency) were assessed at 24 h after treatment. Bladders were collected for histology at the end of the experiment. Pre-treatment with NACA or FR significantly prevented HMGB1-induced bladder pain. No significant effects were noted on micturition volume, frequency, inflammation, or edema. Thus, HMGB1 activates downstream urothelial oxidative stress production and ERK1/2 activation to mediate bladder pain. Further dissection of HMGB1 downstream signaling pathway may lead to novel potential therapeutic strategies to treat bladder pain.
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Affiliation(s)
- Shaojing Ye
- Lexington VA Health Care System, Research & Development, Lexington, KY 40502, USA
| | - Dlovan F D Mahmood
- Lexington VA Health Care System, Research & Development, Lexington, KY 40502, USA
| | - Fei Ma
- Lexington VA Health Care System, Research & Development, Lexington, KY 40502, USA
| | - Lin Leng
- Department of Internal Medicine, Yale University, New Haven, CT 06510, USA
| | - Richard Bucala
- Department of Internal Medicine, Yale University, New Haven, CT 06510, USA
| | - Pedro L Vera
- Lexington VA Health Care System, Research & Development, Lexington, KY 40502, USA
- Department of Physiology, University of Kentucky, Lexington, KY 40506, USA
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25
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Chien TH, Lin CL, Chen LW, Chien CH, Hu CC. Patients with Non-Alcoholic Fatty Liver Disease and Alcohol Dehydrogenase 1B/Aldehyde Dehydrogenase 2 Mutant Gene Have Higher Values of Serum Alanine Transaminase. J Pers Med 2023; 13:jpm13050758. [PMID: 37240928 DOI: 10.3390/jpm13050758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Patients with non-alcoholic fatty liver disease (NAFLD) share similar pathophysiologies to those of patients with alcohol liver disease. Alcoholic metabolic enzyme-related genes (alcohol dehydrogenase 1B (ADH1B) and aldehyde dehydrogenase 2 (ALDH2)) may be associated with pathophysiology in NAFLD patients. In this study, the association between ADH1B/ALDH2 gene polymorphism and serum metabolic factors, body statures, and hepatic steatosis/fibrosis status was evaluated in patients with NAFLD. Using biochemistry data, abdominal ultrasonography, fibrosis evaluation (Kpa), and steatosis evaluation (CAP), ADH1B gene SNP rs1229984 and ALDH2 gene SNP rs671 polymorphism were analyzed in sixty-six patients from 1 January 2022 to 31 December 2022. The percentage of the mutant type (GA + AA) was 87.9% (58/66) in the ADH1B allele and 45.5% (30/66) in the ALDH2 allele. Patients with the mutant-type ADH1B/ALDH2 allele had higher values of alanine aminotransferase (ALT) than the wild type (β = 0.273, p = 0.04). No association was observed between body mass index, serum metabolic factors (sugar and lipid profile), CAP, kPa, and ADH1B/ALDH2. A high proportion of the mutant-type ADH1B allele (87.9%) and ALDH2 allele (45.5%) was observed in patients with NAFLD. No association was observed between ADH1B/ALDH2 allele, BMI, and hepatic steatosis/fibrosis. Patients with the mutant-type ADH1B/ALDH2 allele had higher values of ALT than those with the wild type.
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Affiliation(s)
- Tsuo-Hsuan Chien
- Department of Gastroenterology and Hepatology, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
| | - Chih-Lang Lin
- Department of Gastroenterology and Hepatology, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
- Community Medicine Research Center, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
| | - Li-Wei Chen
- Department of Gastroenterology and Hepatology, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
- Community Medicine Research Center, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
| | - Cheng-Hung Chien
- Department of Gastroenterology and Hepatology, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
- Community Medicine Research Center, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
| | - Ching-Chih Hu
- Department of Gastroenterology and Hepatology, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
- Community Medicine Research Center, Chang-Gung Memorial Hospital and University, Keelung Branch, Keelung 204, Taiwan
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26
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Singh A, Kukal S, Kanojia N, Singh M, Saso L, Kukreti S, Kukreti R. Lipid Mediated Brain Disorders: A Perspective. Prostaglandins Other Lipid Mediat 2023; 167:106737. [PMID: 37086954 DOI: 10.1016/j.prostaglandins.2023.106737] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/10/2023] [Accepted: 04/18/2023] [Indexed: 04/24/2023]
Abstract
The brain, one of the most resilient organs of the body is highly enriched in lipid content, suggesting the essential role of lipids in brain physiological activities. Lipids constitute an important structural part of the brain and act as a rich source of metabolic energy. Besides, lipids in their bioactive form (known as bioactive lipids) play an essential signaling and regulatory role, facilitating neurogenesis, synaptogenesis, and cell-cell communication. Brain lipid metabolism is thus a tightly regulated process. Any alteration/dysregulation of lipid metabolism greatly impact brain health and activity. Moreover, since central nervous system (CNS) is the most metabolically active system and lacks an efficient antioxidative defence system, it acts as a hub for the production of reactive oxygen species (ROS) and subsequent lipid peroxidation. These peroxidation events are reported during pathological changes such as neuronal tissue injury and inflammation. Present review is a modest attempt to gain insights into the role of dysregulated bioactive lipid levels and lipid oxidation status in the pathogenesis and progression of neurodegenerative disorders. This may open up new avenues exploiting lipids as the therapeutic targets for improving brain health, and treatment of nervous system disorders.
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Affiliation(s)
- Anju Singh
- Department of Chemistry, Ramjas College, University of Delhi, Delhi 110007, India; Nucleic Acids Research Lab, Department of Chemistry, University of Delhi (North Campus), Delhi 110007, India
| | - Samiksha Kukal
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology (IGIB), Mall Road, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-Institute of Genomics and Integrative Biology (CSIR-IGIB) Campus, Delhi 110007, India
| | - Neha Kanojia
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology (IGIB), Mall Road, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-Institute of Genomics and Integrative Biology (CSIR-IGIB) Campus, Delhi 110007, India
| | - Mahak Singh
- Department of Chemistry, Ramjas College, University of Delhi, Delhi 110007, India
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy
| | - Shrikant Kukreti
- Nucleic Acids Research Lab, Department of Chemistry, University of Delhi (North Campus), Delhi 110007, India
| | - Ritushree Kukreti
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology (IGIB), Mall Road, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-Institute of Genomics and Integrative Biology (CSIR-IGIB) Campus, Delhi 110007, India.
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27
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Huang L, Wang Q, Huang C, Zhou Z, Peng A, Zhang Z. Untargeted Metabolomic Analysis in Endolymphatic Sac Luminal Fluid from Patients with Meniere's Disease. J Assoc Res Otolaryngol 2023; 24:239-251. [PMID: 36715893 PMCID: PMC10121990 DOI: 10.1007/s10162-023-00887-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 12/23/2022] [Indexed: 01/31/2023] Open
Abstract
Dysfunction of the endolymphatic sac (ES) is one of the etiologies of Meniere's disease (MD), the mechanism of which remains unclear. The aim of the present study was to explore the molecular pathological characteristics of ES during the development of MD. Metabolomic profiling of ES luminal fluid from patients with MD and patients with acoustic neuroma (AN) was performed. Diluted ES luminal fluid (ELF) samples were obtained from 10 patients who underwent endolymphatic duct blockage for the treatment of intractable MD and from 6 patients who underwent translabyrinthine surgery for AN. ELF analysis was performed using liquid chromatography-mass spectrometry before the raw data were normalized and subjected to subsequent statistical analysis by MetaboAnalyst. Using thresholds of P ≤ 0.05 and variable important in projection > 1, a total of 111 differential metabolites were screened in the ELF, including 52 metabolites in negative mode and 59 in positive mode. Furthermore, 15 differentially altered metabolites corresponding to 15 compound names were identified using a Student's t-test, including 7 significant increased metabolites and 8 significant decreased metabolites. Moreover, two differentially altered metabolites, hyaluronic acid (HA) and 4-hydroxynonenal (4-HNE), were validated to be upregulated in the epithelial lining of the ES, as well as in the subepithelial connective-tissue in patients with MD comparing with that in patients with AN. Among these differentially altered metabolites, an upregulated expression of HA detected in the ES lumen of the patients with MD was supposed to be associated with the increased endolymph in ES, while an increased level of 4-HNE found in the ELF of the patients with MD provided direct evidence to support that oxidative damage and inflammatory lesions underlie the mechanism of MD. Furthermore, citrate and ethylenediaminetetraacetic acid were detected to be decreased substantially in the ELF of the patients with MD, suggesting the elevated endolymphatic Ca2+ in the ears with chronic endolymphatic hydrops is likely to be associated with the reduction of these two chelators of Ca2+ in ES. The results in the present study indicate metabolomic analysis in the ELF of the patients with MD can potentially improve our understanding on the molecular pathophysiological mechanism in the ES during the development of MD.
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Affiliation(s)
- Li Huang
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Qin Wang
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Chao Huang
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Zhou Zhou
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Anquan Peng
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Zhiwen Zhang
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
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28
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Sharma S, Sharma P, Subedi U, Bhattarai S, Miller C, Manikandan S, Batinic-Haberle I, Spasojevic I, Sun H, Panchatcharam M, Miriyala S. Mn(III) Porphyrin, MnTnBuOE-2-PyP 5+, Commonly Known as a Mimic of Superoxide Dismutase Enzyme, Protects Cardiomyocytes from Hypoxia/Reoxygenation Induced Injury via Reducing Oxidative Stress. Int J Mol Sci 2023; 24:6159. [PMID: 37047131 PMCID: PMC10094288 DOI: 10.3390/ijms24076159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/15/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
Myocardial ischemia-reperfusion injury (I/R) causes damage to cardiomyocytes through oxidative stress and apoptosis. We investigated the cardioprotective effects of MnTnBuOE-2-PyP5+ (BMX-001), a superoxide dismutase mimic, in an in vitro model of I/R injury in H9c2 cardiomyocytes. We found that BMX-001 protected against hypoxia/reoxygenation (H/R)-induced oxidative stress, as evident by a significant reduction in intracellular and mitochondrial superoxide levels. BMX-001 pre-treatment also reduced H/R-induced cardiomyocyte apoptosis, as marked by a reduction in TUNEL-positive cells. We further demonstrated that BMX-001 pre-treatment significantly improved mitochondrial function, particularly O2 consumption, in mouse adult cardiomyocytes subjected to H/R. BMX-001 treatment also attenuated cardiolipin peroxidation, 4-hydroxynonenal (4-HNE) level, and 4-HNE adducted proteins following H/R injury. Finally, the pre-treatment with BMX-001 improved cell viability and lactate dehydrogenase (LDH) activity in H9c2 cells following H/R injury. Our findings suggest that BMX-001 has therapeutic potential as a cardioprotective agent against oxidative stress-induced H/R damage in H9c2 cardiomyocytes.
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Affiliation(s)
- Sudha Sharma
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
| | - Papori Sharma
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
| | - Utsab Subedi
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
| | - Susmita Bhattarai
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
| | - Chloe Miller
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
| | - Shrivats Manikandan
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
| | - Ines Batinic-Haberle
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ivan Spasojevic
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
- Pharmacokinetics/Pharmacodynamics (PK/PD) Core Laboratory, Duke Cancer Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Hong Sun
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
| | - Manikandan Panchatcharam
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
| | - Sumitra Miriyala
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences-Shreveport, Shreveport, LA 71103, USA
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29
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Ozone in Chemotherapy-Induced Peripheral Neuropathy—Current State of Art, Possibilities, and Perspectives. Int J Mol Sci 2023; 24:ijms24065279. [PMID: 36982352 PMCID: PMC10049472 DOI: 10.3390/ijms24065279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 03/01/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is one of the most detrimental toxicity to a patient’s quality of life. Pathophysiological mechanisms involved in CIPN pathogenesis are complex, multifactorial, and only partially examined. They are suspected to be associated with oxidative stress (OS), mitochondrial dysfunction, ROS-induced apoptosis, myelin sheath and DNA damage, and immunological and inflammatory processes. Unfortunately, medications commonly used for the management of other neuropathic pain syndromes, including gabapentinoids, opioids, and tricyclic antidepressants (such as desipramine and nortriptyline), do not bring satisfactory results in CIPN. The aim of this review is to evaluate the existing literature on the potential use of medical ozone as a treatment for CIPN. This paper would explore the potential therapeutic benefits of medical ozone. The review would evaluate the existing literature on the use of medical ozone in other contexts, as well as its potential application in treating CIPN. The review would also suggest possible research methods, such as randomized controlled trials, to evaluate the efficacy of medical ozone as a treatment for CIPN. Medical ozone has been used to disinfect and treat diseases for over 150 years. The effectiveness of ozone in treating infections, wounds, and a variety of diseases has been well documented. Ozone therapy is also documented to inhibit the growth of human cancer cells and has antioxidative and anti-inflammatory effects. Due to its ability to modulate oxidative stress, inflammation, and ischemia/hypoxia, ozone may have a potentially valuable effect on CIPN.
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Pan H, Ho SE, Xue C, Cui J, Ross LS, Li F, Solomon RA, Connolly ES, Reilly MP. Atherosclerosis is a smooth muscle cell-driven tumor-like disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.06.531330. [PMID: 36945644 PMCID: PMC10028828 DOI: 10.1101/2023.03.06.531330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
Atherosclerosis, the leading cause of cardiovascular disease, is a chronic inflammatory disease involving pathological activation of multiple cell types, such as immunocytes (e.g., macrophage, T cells), smooth muscle cells (SMCs), and endothelial cells. Multiple lines of evidence have suggested that SMC "phenotypic switching" plays a central role in atherosclerosis development and complications. Yet, SMC roles and mechanisms underlying the disease pathogenesis are poorly understood. Here, employing SMC lineage tracing mice, comprehensive molecular, cellular, histological, and computational profiling, coupled to genetic and pharmacological studies, we reveal that atherosclerosis, in terms of SMC behaviors, share extensive commonalities with tumors. SMC-derived cells in the disease show multiple characteristics of tumor cell biology, including genomic instability, replicative immortality, malignant proliferation, resistance to cell death, invasiveness, and activation of comprehensive cancer-associated gene regulatory networks. SMC-specific expression of oncogenic KrasG12D accelerates SMC phenotypic switching and exacerbates atherosclerosis. Moreover, we present a proof of concept showing that niraparib, an anti-cancer drug targeting DNA damage repair, attenuates atherosclerosis progression and induces regression of lesions in advanced disease in mouse models. Our work provides systematic evidence that atherosclerosis is a tumor-like disease, deepening the understanding of its pathogenesis and opening prospects for novel precision molecular strategies to prevent and treat atherosclerotic cardiovascular disease.
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Affiliation(s)
- Huize Pan
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Sebastian E. Ho
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Chenyi Xue
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Jian Cui
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Leila S. Ross
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Fang Li
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Robert A. Solomon
- Department of Neurologic Surgery, New York-Presbyterian Hospital/Columbia University Irving Medical Center, New York, NY 10032, USA
| | - E. Sander Connolly
- Department of Neurologic Surgery, New York-Presbyterian Hospital/Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Muredach P. Reilly
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
- Irving Institute for Clinical and Translational Research, Columbia University Irving Medical Center, New York, NY 10032, USA
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31
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Lamorie‐Foote K, Liu Q, Shkirkova K, Ge B, He S, Morgan TE, Mack WJ, Sioutas C, Finch CE, Mack WJ. Particulate matter exposure and chronic cerebral hypoperfusion promote oxidative stress and induce neuronal and oligodendrocyte apoptosis in male mice. J Neurosci Res 2023; 101:384-402. [PMID: 36464774 PMCID: PMC10107949 DOI: 10.1002/jnr.25153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 10/16/2022] [Accepted: 11/21/2022] [Indexed: 12/12/2022]
Abstract
Chronic cerebral hypoperfusion (CCH) may amplify the neurotoxicity of nanoscale particulate matter (nPM), resulting in white matter injury. This study characterized the joint effects of nPM (diameter ≤ 200 nm) and CCH secondary to bilateral carotid artery stenosis (BCAS) exposure on neuronal and white matter injury in a murine model. nPM was collected near a highway and re-aerosolized for exposure. Ten-week-old C57BL/6 male mice were randomized into four groups: filtered air (FA), nPM, FA + BCAS, and nPM + BCAS. Mice were exposed to FA or nPM for 10 weeks. BCAS surgeries were performed. Markers of inflammation, oxidative stress, and apoptosis were examined. nPM + BCAS exposure increased brain hemisphere TNFα protein compared to FA. iNOS and HNE immunofluorescence were increased in the corpus callosum and cerebral cortex of nPM + BCAS mice compared to FA. While nPM exposure alone did not decrease cortical neuronal cell count, nPM decreased corpus callosum oligodendrocyte cell count. nPM exposure decreased mature oligodendrocyte cell count and increased oligodendrocyte precursor cell count in the corpus callosum. nPM + BCAS mice exhibited a 200% increase in cortical neuronal TUNEL staining and a 700% increase in corpus callosum oligodendrocyte TUNEL staining compared to FA. There was a supra-additive interaction between nPM and BCAS on cortical neuronal TUNEL staining (2.6× the additive effects of nPM + BCAS). nPM + BCAS exposure increased apoptosis, neuroinflammation, and oxidative stress in the cerebral cortex and corpus callosum. nPM + BCAS exposure increased neuronal apoptosis above the separate responses to each exposure. However, oligodendrocytes in the corpus callosum demonstrated a greater susceptibility to the combined neurotoxic effects of nPM + BCAS exposure.
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Affiliation(s)
- Krista Lamorie‐Foote
- Zilkha Neurogenetic InstituteUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
- Department of Neurological Surgery, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Qinghai Liu
- Zilkha Neurogenetic InstituteUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Kristina Shkirkova
- Zilkha Neurogenetic InstituteUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Brandon Ge
- Zilkha Neurogenetic InstituteUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Shannon He
- Zilkha Neurogenetic InstituteUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Todd E. Morgan
- Leonard Davis School of GerontologyUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Wendy J. Mack
- Department of Population and Public Health SciencesUniversity of Southern California, Keck School of MedicineLos AngelesCaliforniaUSA
| | - Constantinos Sioutas
- Department of Civil and Environmental Engineering, Viterbi School of EngineeringUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Caleb E. Finch
- Leonard Davis School of GerontologyUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - William J. Mack
- Zilkha Neurogenetic InstituteUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
- Department of Neurological Surgery, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
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32
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Eglin CM, Wright J, Shepherd AI, Massey H, Hollis S, Towse J, Young JS, Maley MJ, Bailey SJ, Wilkinson C, Montgomery H, Tipton MJ. Plasma biomarkers of endothelial function, inflammation and oxidative stress in individuals with non-freezing cold injury. Exp Physiol 2023; 108:448-464. [PMID: 36808666 PMCID: PMC10988512 DOI: 10.1113/ep090722] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 01/03/2023] [Indexed: 02/22/2023]
Abstract
NEW FINDINGS What is the central question of this study? Are biomarkers of endothelial function, oxidative stress and inflammation altered by non-freezing cold injury (NFCI)? What is the main finding and its importance? Baseline plasma [interleukin-10] and [syndecan-1] were elevated in individuals with NFCI and cold-exposed control participants. Increased [endothelin-1] following thermal challenges might explain, in part, the increased pain/discomfort experienced with NFCI. Mild to moderate chronic NFCI does not appear to be associated with either oxidative stress or a pro-inflammatory state. Baseline [interleukin-10] and [syndecan-1] and post-heating [endothelin-1] are the most promising candidates for diagnosis of NFCI. ABSTRACT Plasma biomarkers of inflammation, oxidative stress, endothelial function and damage were examined in 16 individuals with chronic NFCI (NFCI) and matched control participants with (COLD, n = 17) or without (CON, n = 14) previous cold exposure. Venous blood samples were collected at baseline to assess plasma biomarkers of endothelial function (nitrate, nitrite and endothelin-1), inflammation [interleukin-6 (IL-6), interleukin-10 (IL-10), tumour necrosis factor alpha and E-selectin], oxidative stress [protein carbonyl, 4-hydroxy-2-nonenal (4-HNE), superoxide dismutase and nitrotyrosine) and endothelial damage [von Willebrand factor, syndecan-1 and tissue type plasminogen activator (TTPA)]. Immediately after whole-body heating and separately, foot cooling, blood samples were taken for measurement of plasma [nitrate], [nitrite], [endothelin-1], [IL-6], [4-HNE] and [TTPA]. At baseline, [IL-10] and [syndecan-1] were increased in NFCI (P < 0.001 and P = 0.015, respectively) and COLD (P = 0.033 and P = 0.030, respectively) compared with CON participants. The [4-HNE] was elevated in CON compared with both NFCI (P = 0.002) and COLD (P < 0.001). [Endothelin-1] was elevated in NFCI compared with COLD (P < 0.001) post-heating. The [4-HNE] was lower in NFCI compared with CON post-heating (P = 0.032) and lower than both COLD (P = 0.02) and CON (P = 0.015) post-cooling. No between-group differences were seen for the other biomarkers. Mild to moderate chronic NFCI does not appear to be associated with a pro-inflammatory state or oxidative stress. Baseline [IL-10] and [syndecan-1] and post-heating [endothelin-1] are the most promising candidates for diagnosing NFCI, but it is likely that a combination of tests will be required.
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Affiliation(s)
- Clare M. Eglin
- Extreme Environments LaboratorySchool of SportHealth and Exercise ScienceUniversity of PortsmouthPortsmouthUK
| | - Jennifer Wright
- Extreme Environments LaboratorySchool of SportHealth and Exercise ScienceUniversity of PortsmouthPortsmouthUK
| | - Anthony I. Shepherd
- Extreme Environments LaboratorySchool of SportHealth and Exercise ScienceUniversity of PortsmouthPortsmouthUK
| | - Heather Massey
- Extreme Environments LaboratorySchool of SportHealth and Exercise ScienceUniversity of PortsmouthPortsmouthUK
| | - Sarah Hollis
- Regional Occupational Health Team (ROHT) CatterickCatterick GarrisonUK
| | - Jonathan Towse
- School of Pharmacy and Biomedical SciencesUniversity of PortsmouthPortsmouthUK
| | - John S. Young
- National Horizons CentreTeesside UniversityMiddlesbroughUK
| | - Matthew J. Maley
- Environmental Ergonomics Research CentreLoughborough School of Design and Creative ArtsLoughborough UniversityLoughboroughUK
| | - Stephen J. Bailey
- National Centre for Sport and Exercise MedicineSchool of SportExercise and Health SciencesLoughborough UniversityLoughboroughUK
| | - Chris Wilkinson
- School of Pharmacy and Biomedical SciencesUniversity of PortsmouthPortsmouthUK
| | | | - Michael J. Tipton
- Extreme Environments LaboratorySchool of SportHealth and Exercise ScienceUniversity of PortsmouthPortsmouthUK
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Mhalhel K, Sicari M, Pansera L, Chen J, Levanti M, Diotel N, Rastegar S, Germanà A, Montalbano G. Zebrafish: A Model Deciphering the Impact of Flavonoids on Neurodegenerative Disorders. Cells 2023; 12:cells12020252. [PMID: 36672187 PMCID: PMC9856690 DOI: 10.3390/cells12020252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/17/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Over the past century, advances in biotechnology, biochemistry, and pharmacognosy have spotlighted flavonoids, polyphenolic secondary metabolites that have the ability to modulate many pathways involved in various biological mechanisms, including those involved in neuronal plasticity, learning, and memory. Moreover, flavonoids are known to impact the biological processes involved in developing neurodegenerative diseases, namely oxidative stress, neuroinflammation, and mitochondrial dysfunction. Thus, several flavonoids could be used as adjuvants to prevent and counteract neurodegenerative disorders such as Alzheimer's and Parkinson's diseases. Zebrafish is an interesting model organism that can offer new opportunities to study the beneficial effects of flavonoids on neurodegenerative diseases. Indeed, the high genome homology of 70% to humans, the brain organization largely similar to the human brain as well as the similar neuroanatomical and neurochemical processes, and the high neurogenic activity maintained in the adult brain makes zebrafish a valuable model for the study of human neurodegenerative diseases and deciphering the impact of flavonoids on those disorders.
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Affiliation(s)
- Kamel Mhalhel
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Mirea Sicari
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Lidia Pansera
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Jincan Chen
- Institute of Biological and Chemical Systems-Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Campus North, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Maria Levanti
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Nicolas Diotel
- Université de la Réunion, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, F-97490 Sainte-Clotilde, France
| | - Sepand Rastegar
- Institute of Biological and Chemical Systems-Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Campus North, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Correspondence: (S.R.); (G.M.); Tel.: +49-721-608-22507 (S.R.); +39-090-6766822 (G.M.)
| | - Antonino Germanà
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Giuseppe Montalbano
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
- Correspondence: (S.R.); (G.M.); Tel.: +49-721-608-22507 (S.R.); +39-090-6766822 (G.M.)
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Daglas M, Truong PH, Miles LQ, Juan SMA, Rao SS, Adlard PA. Deferiprone attenuates neuropathology and improves outcome following traumatic brain injury. Br J Pharmacol 2023; 180:214-234. [PMID: 36102035 DOI: 10.1111/bph.15950] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 08/27/2022] [Accepted: 09/08/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND AND PURPOSE Traumatic brain injury (TBI) remains a leading cause of mortality and morbidity in young adults. The role of iron in potentiating neurodegeneration following TBI has gained recent interest as iron deposition has been detected in the injured brain in the weeks to months post-TBI, in both the preclinical and clinical setting. A failure in iron homeostasis can lead to oxidative stress, inflammation and excitotoxicity; and whether this is a cause or consequence of the long-term effects of TBI remains unknown. EXPERIMENTAL APPROACH We investigated the role of iron and the effect of therapeutic intervention using a brain-permeable iron chelator, deferiprone, in a controlled cortical impact mouse model of TBI. An extensive assessment of cognitive, motor and anxiety/depressive outcome measures were examined, and neuropathological and biochemical changes, over a 3-month period post-TBI. KEY RESULTS Lesion volume was significantly reduced at 3 months, which was preceded by a reduction in astrogliosis, microglia/macrophages and preservation of neurons in the injured brain at 2 weeks and/or 1 month post-TBI in mice receiving oral deferiprone. Deferiprone treatment showed significant improvements in neurological severity scores, locomotor/gait performance and cognitive function, and attenuated anxiety-like symptoms post-TBI. Deferiprone reduced iron levels, lipid peroxidation/oxidative stress and altered expression of neurotrophins in the injured brain over this period. CONCLUSION AND IMPLICATIONS Our findings support a detrimental role of iron in the injured brain and suggest that deferiprone (or similar iron chelators) may be promising therapeutic approaches to improve survival, functional outcomes and quality of life following TBI.
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Affiliation(s)
- Maria Daglas
- Synaptic Neurobiology Laboratory, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, Australia
| | - Phan H Truong
- Synaptic Neurobiology Laboratory, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, Australia
| | - Linh Q Miles
- Synaptic Neurobiology Laboratory, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, Australia
| | - Sydney M A Juan
- Synaptic Neurobiology Laboratory, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, Australia
| | - Shalini S Rao
- Synaptic Neurobiology Laboratory, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, Australia
| | - Paul A Adlard
- Synaptic Neurobiology Laboratory, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, Australia
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35
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Lopez‐Mejia IC, Pijuan J, Navaridas R, Santacana M, Gatius S, Velasco A, Castellà G, Panosa A, Cabiscol E, Pinyol M, Coll L, Bonifaci N, Peña LP, Vidal A, Villanueva A, Gari E, Llobet‐Navàs D, Fajas L, Matias‐Guiu X, Yeramian A. Oxidative stress-induced FAK activation contributes to uterine serous carcinoma aggressiveness. Mol Oncol 2022; 17:98-118. [PMID: 36409196 PMCID: PMC9812840 DOI: 10.1002/1878-0261.13346] [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: 09/12/2022] [Revised: 10/18/2022] [Accepted: 10/27/2022] [Indexed: 11/23/2022] Open
Abstract
Uterine serous carcinoma (USC) is an aggressive form of endometrial cancer (EC), characterized by its high propensity for metastases. In fact, while endometrioid endometrial carcinoma (EEC), which accounts for 85% of EC, presents a good prognosis, USC is the most frequently fatal. Herein, we used for the first time a peptide-based tyrosine-kinase-activity profiling approach to quantify the changes in tyrosine kinase activation between USC and EEC. Among the tyrosine kinases highly activated in USC, we identified focal adhesion kinase (FAK). We conducted mechanistic studies using cellular models. In a USC cell line, targeting FAK either by inhibitors PF-573228 and defactinib (VS-6063) or by gene silencing limits 3D cell growth and reduces cell migration. Moreover, results from our studies suggest that oxidative stress is increased in USC tumors compared to EEC ones. Reactive oxygen species (ROS) induce tyrosine phosphorylation of FAK and a concomitant tyrosine phosphorylation of paxillin, a mediator of FAK signal transduction. Mechanistically, by tracking hundreds of individual cells per condition, we show that ROS increased cell distance and migration velocity, highlighting the role of ROS-FAK-PAX signaling in cell migration. Both defactinib and ROS scavenger N-acetylcysteine (NAC) revert this effect, pointing toward ROS as potential culprits for the increase in USC cell motility. A proof of concept of the role of FAK in controlling cell growth was obtained in in vivo experiments using cancer-tissue-originated spheroids (CTOS) and a patient-derived orthotopic xenograft model (orthoxenograft/PDOX). Defactinib reduces cell proliferation and protein oxidation, supporting a pro-tumoral antioxidant role of FAK, whereas antioxidant NAC reverts FAK inhibitor effects. Overall, our data points to ROS-mediated FAK activation in USC as being responsible for the poor prognosis of this tumor type and emphasize the potential of FAK inhibition for USC treatment.
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Affiliation(s)
| | - Jordi Pijuan
- Laboratory of Neurogenetics and Molecular Medicine – Pediatric Institute of Rare DiseasesInstitut de Recerca Sant Joan de DéuBarcelonaSpain
| | - Raúl Navaridas
- Departament de Ciències Mèdiques Bàsiques, IRBLleidaUniversity of LleidaSpain
| | - Maria Santacana
- Pathology Group, Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova (HUAV), IRBLleidaUniversity of LleidaSpain
| | - Sònia Gatius
- Pathology Group, Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova (HUAV), IRBLleidaUniversity of LleidaSpain
| | - Ana Velasco
- Pathology Group, Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova (HUAV), IRBLleidaUniversity of LleidaSpain
| | - Gerard Castellà
- Biostatistics Unit, Hospital Universitari Arnau de Vilanova, IRB‐LleidaUniversity of LleidaSpain
| | - Anaïs Panosa
- Flow Cytometry and Confocal Microscopy Unit, IRBLleidaUniversity of LleidaSpain
| | - Elisa Cabiscol
- Departament de Ciències Mèdiques Bàsiques, IRBLleidaUniversity of LleidaSpain
| | - Miquel Pinyol
- Pathology Group, Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova (HUAV), IRBLleidaUniversity of LleidaSpain
| | - Laura Coll
- Molecular Mechanisms and Experimental Therapy in Oncology‐Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL)Gran via de l'HospitaletBarcelonaSpain
| | - Núria Bonifaci
- Pathology Group, Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova (HUAV), IRBLleidaUniversity of LleidaSpain,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC)Instituto de Salud Carlos III (ISCIII)MadridSpain
| | - Laura Plata Peña
- Molecular Mechanisms and Experimental Therapy in Oncology‐Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL)Gran via de l'HospitaletBarcelonaSpain
| | - August Vidal
- Department of Pathology‐HospitalUniversitari de BellvitgeBarcelonaSpain,Xenopat S.L., Parc Cientific de Barcelona (PCB)Spain
| | - Alberto Villanueva
- Xenopat S.L., Parc Cientific de Barcelona (PCB)Spain,Program Against Cancer Therapeutic Resistance (ProCURE), ICO, IDIBELLBarcelonaSpain
| | - Eloi Gari
- Departament de Ciències Mèdiques Bàsiques, IRBLleidaUniversity of LleidaSpain
| | - David Llobet‐Navàs
- Molecular Mechanisms and Experimental Therapy in Oncology‐Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL)Gran via de l'HospitaletBarcelonaSpain,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC)Instituto de Salud Carlos III (ISCIII)MadridSpain
| | - Lluis Fajas
- Center for Integrative GenomicsUniversity of LausanneSwitzerland
| | - Xavier Matias‐Guiu
- Pathology Group, Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova (HUAV), IRBLleidaUniversity of LleidaSpain,Molecular Mechanisms and Experimental Therapy in Oncology‐Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL)Gran via de l'HospitaletBarcelonaSpain,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC)Instituto de Salud Carlos III (ISCIII)MadridSpain,Department of Pathology‐HospitalUniversitari de BellvitgeBarcelonaSpain
| | - Andrée Yeramian
- Pathology Group, Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova (HUAV), IRBLleidaUniversity of LleidaSpain
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36
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Cong P, Tong C, Mao S, Shi X, Liu Y, Shi L, Jin H, Liu Y, Hou M. Proteomic global proteins analysis in blast lung injury reveals the altered characteristics of crucial proteins in response to oxidative stress, oxidation-reduction process and lipid metabolic process. Exp Lung Res 2022; 48:275-290. [PMID: 36346360 DOI: 10.1080/01902148.2022.2143596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Background: Blast lung injury (BLI) is the most common fatal blast injury induced by overpressure wave in the events of terrorist attack, gas and underground explosion. Our previous work revealed the characteristics of inflammationrelated key proteins involved in BLI, including those regulating inflammatory response, leukocyte transendothelial migration, phagocytosis, and immune process. However, the molecular characteristics of oxidative-related proteins in BLI ar still lacking. Methods: In this study, protein expression profiling of the blast lungs obtained by tandem mass tag (TMT) spectrometry quantitative proteomics were re-analyzed to identify the characteristics of oxidative-related key proteins. Forty-eight male C57BL/6 mice were randomly divided into six groups: control, 12 h, 24 h, 48 h, 72 h and 1 w after blast exposure. The differential protein expression was identified by bioinformatics analysis and verified by western blotting. Results: The results demonstrated that thoracic blast exposure induced reactive oxygen species generation and lipid peroxidation in the lungs. Analysis of global proteins and oxidative-related proteomes showed that 62, 59, 73, 69, 27 proteins (accounted for 204 distinct proteins) were identified to be associated with oxidative stress at 12 h, 24 h, 48 h, 72 h, and 1 week after blast exposure, respectively. These 204 distinct proteins were mainly enriched in response to oxidative stress, oxidation-reduction process and lipid metabolic process. We also validated these results by western blotting. Conclusions: These findings provided new perspectives on blast-induced oxidative injury in lung, which may potentially benefit the development of future treatment of BLI.
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Affiliation(s)
- Peifang Cong
- College of Medicine and Biological Information Engineering, Northeastern University, Shenyang, Liaoning Province, China
| | - Changci Tong
- Shuren International College, Shenyang Medical College, Shenyang, Liaoning Province, China
| | - Shun Mao
- Shuren International College, Shenyang Medical College, Shenyang, Liaoning Province, China
| | - Xiuyun Shi
- Emergency Medicine Department of General Hospital of Northern theatre command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, Shenyang, Liaoning Province, China
| | - Ying Liu
- Emergency Medicine Department of General Hospital of Northern theatre command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, Shenyang, Liaoning Province, China
| | - Lin Shi
- Shuren International College, Shenyang Medical College, Shenyang, Liaoning Province, China
| | - Hongxu Jin
- Emergency Medicine Department of General Hospital of Northern theatre command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, Shenyang, Liaoning Province, China
| | - Yunen Liu
- Shuren International College, Shenyang Medical College, Shenyang, Liaoning Province, China
| | - Mingxiao Hou
- College of Medicine and Biological Information Engineering, Northeastern University, Shenyang, Liaoning Province, China.,Shuren International College, Shenyang Medical College, Shenyang, Liaoning Province, China.,The Second Affiliated Hospital of Shenyang Medical College, The Veterans General Hospital of Liaoning Province, Shenyang, Liaoning Province, China
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37
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Ban KY, Nam GY, Kim D, Oh YS, Jun HS. Prevention of LPS-Induced Acute Kidney Injury in Mice by Bavachin and Its Potential Mechanisms. Antioxidants (Basel) 2022; 11:2096. [PMID: 36358467 PMCID: PMC9686515 DOI: 10.3390/antiox11112096] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/17/2022] [Accepted: 10/21/2022] [Indexed: 09/28/2023] Open
Abstract
Acute kidney injury (AKI) is a serious complication of sepsis with a rapid onset and high mortality rate. Bavachin, an active component of Psoralea corylifolia L., reportedly has antioxidant, anti-apoptotic, and anti-inflammatory effects; however, its beneficial effects on AKI remain undetermined. We investigated the protective effect of bavachin on lipopolysaccharide (LPS)-induced AKI in mice and elucidated the underlying mechanism in human renal tubular epithelial HK-2 cells. Increased serum creatinine and blood urea nitrogen levels were observed in LPS-injected mice; however, bavachin pretreatment significantly inhibited this increase. Bavachin improved the kidney injury score and decreased the expression level of tubular injury markers, such as neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule-1 (KIM-1), in both LPS-injected mice and LPS-treated HK-2 cells. LPS-induced oxidative stress via phosphorylated protein kinase C (PKC) β and upregulation of the NADPH oxidase (NOX) 4 pathway was also significantly decreased by treatment with bavachin. Moreover, bavachin treatment inhibited the phosphorylation of MAPKs (P38, ERK, and JNK) and nuclear factor (NF)-κB, as well as the increase in inflammatory cytokine levels in LPS-injected mice. Krüppel-like factor 5 (KLF5) expression was upregulated in the LPS-treated HK-2 cells and kidneys of LPS-injected mice. However, RNAi-mediated silencing of KLF5 inhibited the phosphorylation of NF-kB, consequently reversing LPS-induced KIM-1 and NGAL expression in HK-2 cells. Therefore, bavachin may ameliorate LPS-induced AKI by inhibiting oxidative stress and inflammation via the downregulation of the PKCβ/MAPK/KLF5 axis.
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Affiliation(s)
- Ka-Yun Ban
- College of Pharmacy and Gachon Institute of Pharmaceutical Sciences, Gachon University, Incheon 21936, Korea
| | - Ga-Young Nam
- College of Pharmacy and Gachon Institute of Pharmaceutical Sciences, Gachon University, Incheon 21936, Korea
| | - Donghee Kim
- Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea
| | - Yoon Sin Oh
- Department of Food and Nutrition, Eulji University, Seongnam 13135, Korea
| | - Hee-Sook Jun
- College of Pharmacy and Gachon Institute of Pharmaceutical Sciences, Gachon University, Incheon 21936, Korea
- Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea
- Gachon Medical Research Institute, Gil Hospital, Incheon 21565, Korea
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38
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Yılmaz H, Şengelen A, Demirgan S, Paşaoğlu HE, Çağatay M, Erman İE, Bay M, Güneyli HC, Önay-Uçar E. Acutely increased aquaporin-4 exhibits more potent protective effects in the cortex against single and repeated isoflurane-induced neurotoxicity in the developing rat brain. Toxicol Mech Methods 2022; 33:279-292. [PMID: 36127839 DOI: 10.1080/15376516.2022.2127389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Damage to hippocampus, cerebellum, and cortex associated with cognitive functions due to anesthetic-induced toxicity early in life may cause cognitive decline later. Aquaporin 4 (AQP4), a key protein in waste clearance pathway of brain, is involved in synaptic plasticity and neurocognition. We investigated the effects of single and repeated isoflurane (Iso) anesthesia on AQP4 levels and brain damage. Postnatal-day (P)7 Wistar albino rats were randomly assigned to Iso or Control (C) groups. For single-exposure, pups were exposed to 1.5% Iso in 30% oxygenated-air for 3-h at P7 (Iso1). For repeated-exposure, pups were exposed to Iso for 3 days, 3-h each day, at 1-day intervals (P7 + 9+11) starting at P7 (Iso3). C1 and C3 groups received only 30% oxygenated-air. Based on HE-staining and immunoblotting (Bax/Bcl-2, cleaved-caspase3 and PARP1) analyses, Iso exposures caused a higher degree of apoptosis in hippocampus. Anesthesia increased 4HNE, oxidative stress marker; the highest ROS accumulation was determined in cerebellum. Increased inflammation (TNF-α, NF-κB) was detected. Multiple Iso-exposures caused more significant damage than single exposure. Moreover, 4HNE and TNF-α contributed synergistically to Iso-induced neurotoxicity. After anesthesia, higher expression of AQP4 was detected in cortex than hippocampus and cerebellum. There was an inverse correlation between increased AQP4 levels and apoptosis/ROS/inflammation. Correlation analysis indicated that AQP4 had a more substantial protective profile against oxidative stress than apoptosis. Remarkably, acutely increased AQP4 against Iso exhibited a more potent neuroprotective effect in cortex, especially frontal cortex. These findings promote further research to understand better the mechanisms underlying anesthesia-induced toxicity in the developing brain.
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Affiliation(s)
- Habip Yılmaz
- Department of Public Hospital Services, Istanbul Health Directorate, Istanbul, Turkey
| | - Aslıhan Şengelen
- Department of Molecular Biology and Genetics, Institute of Graduate Studies in Sciences, Istanbul University, Istanbul, Turkey
| | - Serdar Demirgan
- Department of Molecular Biology and Genetics, Institute of Graduate Studies in Sciences, Istanbul University, Istanbul, Turkey.,Clinic of Anesthesiology and Reanimation, University of Health Sciences, Bağcılar Training and Research Hospital, Istanbul, Turkey
| | - Hüsniye Esra Paşaoğlu
- Department of Pathology, University of Health Sciences, Bağcılar Training and Research Hospital, Istanbul, Turkey
| | - Melike Çağatay
- Clinic of Anesthesiology and Reanimation, University of Health Sciences, Bağcılar Training and Research Hospital, Istanbul, Turkey
| | - İbrahim Emre Erman
- Clinic of Anesthesiology and Reanimation, University of Health Sciences, Bağcılar Training and Research Hospital, Istanbul, Turkey
| | - Mehmet Bay
- Clinic of Anesthesiology and Reanimation, University of Health Sciences, Bağcılar Training and Research Hospital, Istanbul, Turkey
| | - Hasan Cem Güneyli
- Clinic of Anesthesiology and Reanimation, University of Health Sciences, Bağcılar Training and Research Hospital, Istanbul, Turkey
| | - Evren Önay-Uçar
- Department of Molecular Biology and Genetics, Faculty of Science, Istanbul University, Istanbul, Turkey
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39
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Relationship between Oxidative Stress and Endometritis: Exploiting Knowledge Gained in Mares and Cows. Animals (Basel) 2022; 12:ani12182403. [PMID: 36139263 PMCID: PMC9495037 DOI: 10.3390/ani12182403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/06/2022] [Accepted: 09/12/2022] [Indexed: 11/19/2022] Open
Abstract
Simple Summary Endometritis is a widespread pathology in mares and cows and one of the leading causes of reproductive efficiency decline. Although localized in the innermost layer of the uterus, this inflammation involves the release of bioactive molecules and by-products related to molecular damage. Among the bioactive substances, a primary role is played by the reactive oxygen and nitrogen species, which, while exerting an antimicrobial effect, can amplify the inflammation, sometimes causing unwanted and self-aggravating effects. Part of these substances enters the bloodstream, with implications that range from sustaining distant effects on organs and tissues to being used as diagnostic biomarkers. The research carried out on this matter in cows and mares has maintained certain independence due to its species specificity. This review aims to collect and analyze the information available in these species to enhance diagnostics and provide new insights to prevent and treat this pathology. Abstract The etiopathogenesis of endometritis in mares and cows differs significantly; this could depend on a different sensitivity and reactivity of the uterus but also on endocrine and rearing factors and different stress sources. In both species, microorganisms and the immune system play a primary role in the generation of this pathology. Microbiological and cytological tests support clinical examination and significantly improve diagnostic accuracy. For both species, during the inflammation, immune cells invade the endometrium and release bioactive substances to contrast primary or secondary pathogen contamination. These molecules are traceable to cytokines, chemokines, and prostaglandins as well as reactive oxygen and nitrogen species (ROS and RNS), collectively known as RONS. The RONS-mediated oxidation causes morphological and functional alterations of macromolecules, such as proteins, lipids, and nucleic acids, with the consequent production of derivative compounds capable of playing harmful effects. These bioactive molecules and by-products, which have recently become increasingly popular as diagnostic biomarkers, enter the bloodstream, influencing the functionality of organs and tissues. This review has collected and compared information obtained in cows and mares related to the diagnostic potential of these biomarkers that are assessed by using different methods in samples from either blood plasma or uterine fluid.
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Desai AS, Sagar V, Lysy B, Weiner AB, Ko OS, Driscoll C, Rodriguez Y, Vatapalli R, Unno K, Han H, Cohen JE, Vo AX, Pham M, Shin M, Jain-Poster K, Ross J, Morency EG, Meyers TJ, Witte JS, Wu J, Abdulkadir SA, Kundu SD. Inflammatory bowel disease induces inflammatory and pre-neoplastic changes in the prostate. Prostate Cancer Prostatic Dis 2022; 25:463-471. [PMID: 34035460 PMCID: PMC8647933 DOI: 10.1038/s41391-021-00392-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 04/29/2021] [Accepted: 05/12/2021] [Indexed: 11/09/2022]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) has been implicated as a risk factor for prostate cancer, however, the mechanism of how IBD leads to prostate tumorigenesis is not known. Here, we investigated whether chronic intestinal inflammation leads to pro-inflammatory changes associated with tumorigenesis in the prostate. METHODS Using clinical samples of men with IBD who underwent prostatectomy, we analyzed whether prostate tumors had differences in lymphocyte infiltrate compared to non-IBD controls. In a mouse model of chemically-induced intestinal inflammation, we investigated whether chronic intestinal inflammation could be transferred to the wild-type mouse prostate. In addition, mouse prostates were evaluated for activation of pro-oncogenic signaling and genomic instability. RESULTS A higher proportion of men with IBD had T and B lymphocyte infiltration within prostate tumors. Mice with chronic colitis showed significant increases in prostatic CD45 + leukocyte infiltration and elevation of three pro-inflammatory cytokines-TIMP-1, CCL5, and CXCL1 and activation of AKT and NF-kB signaling pathways. Lastly, mice with chronic colitis had greater prostatic oxidative stress/DNA damage, and prostate epithelial cells had undergone cell cycle arrest. CONCLUSIONS These data suggest chronic intestinal inflammation is associated with an inflammatory-rich, pro-tumorigenic prostatic phenotype which may explain how gut inflammation fosters prostate cancer development in men with IBD.
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Affiliation(s)
- Anuj S Desai
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Vinay Sagar
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Barbara Lysy
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Adam B Weiner
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Oliver S Ko
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Conor Driscoll
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Yara Rodriguez
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Rajita Vatapalli
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Kenji Unno
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Huiying Han
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jason E Cohen
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Amanda X Vo
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Minh Pham
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Michael Shin
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Ketan Jain-Poster
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jennifer Ross
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,ICON Central Laboratories, New York, NY, USA
| | - Elizabeth G Morency
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Travis J Meyers
- Department of Epidemiology and Biostatistics, University of California, San Francisco (UCSF), San Francisco, CA, USA
| | - John S Witte
- Department of Epidemiology and Biostatistics, University of California, San Francisco (UCSF), San Francisco, CA, USA
| | - Jennifer Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Sarki A Abdulkadir
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Shilajit D Kundu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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Wu Y, Jiao H, Yue Y, He K, Jin Y, Zhang J, Zhang J, Wei Y, Luo H, Hao Z, Zhao X, Xia Q, Zhong Q, Zhang J. Ubiquitin ligase E3 HUWE1/MULE targets transferrin receptor for degradation and suppresses ferroptosis in acute liver injury. Cell Death Differ 2022; 29:1705-1718. [PMID: 35260822 PMCID: PMC9433446 DOI: 10.1038/s41418-022-00957-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Hepatic ischemia followed by reperfusion (I/R), a major clinical problem during liver surgical procedures, can induce liver injury with severe cell death including ferroptosis which is characterized by iron-dependent accumulation of lipid peroxidation. The HECT domain-containing ubiquitin E3 ligase HUWE1 (also known as MULE) was initially shown to promote apoptosis. However, our preliminary study demonstrates that high expression of HUWE1 in the liver donors corelates with less injury and better hepatic function after liver transplantation in patients. Thus, we investigate the role of HUWE1 in acute liver injury, and identify HUWE1 as a negative ferroptosis modulator through transferrin receptor 1(TfR1). Deficiency of Huwe1 in mice hepatocytes (HKO) exacerbated I/R and CCl4-induced liver injury with more ferroptosis occurrence. Moreover, Suppression of Huwe1 remarkably enhances cellular sensitivity to ferroptosis in primary hepatocytes and mouse embryonic fibroblasts. Mechanistically, HUWE1 specifically targets TfR1 for ubiquitination and proteasomal degradation, thereby regulates iron metabolism. Importantly, chemical and genetic inhibition of TfR1 dramatically diminishes the ferroptotic cell death in Huwe1 KO cells and Huwe1 HKO mice. Therefore, HUWE1 is a potential protective factor to antagonize both aberrant iron accumulation and ferroptosis thereby mitigating acute liver injury. These findings may provide clinical implications for patients with the high-expression Huwe1 alleles.
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Affiliation(s)
- Yan Wu
- Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Huike Jiao
- Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yangbo Yue
- Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Kang He
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Yuting Jin
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Jiang Zhang
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Jing Zhang
- Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yuehan Wei
- Department of Nephrology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Hanyan Luo
- Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Zhenyue Hao
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 2C1, Canada
| | - Xuyun Zhao
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qiang Xia
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
| | - Qing Zhong
- Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Jing Zhang
- Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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Exercise Improves Redox Homeostasis and Mitochondrial Function in White Adipose Tissue. Antioxidants (Basel) 2022; 11:antiox11091689. [PMID: 36139762 PMCID: PMC9495527 DOI: 10.3390/antiox11091689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/16/2022] [Accepted: 08/24/2022] [Indexed: 12/02/2022] Open
Abstract
Exercise has beneficial effects on energy balance and also improves metabolic health independently of weight loss. Adipose tissue function is a critical denominator of a healthy metabolism but the adaptation of adipocytes in response to exercise is insufficiently well understood. We have previously shown that one aerobic exercise session was associated with increased expression of antioxidant and cytoprotective genes in white adipose tissue (WAT). In the present study, we evaluate the chronic effects of physical exercise on WAT redox homeostasis and mitochondrial function. Adult male Wistar rats were separated into two groups: a control group that did not exercise and a group that performed running exercise sessions on a treadmill for 30 min, 5 days per week for 9 weeks. Reactive oxygen species (ROS) generation, antioxidant enzyme activities, mitochondrial function, markers of oxidative stress and inflammation, and proteins related to DNA damage response were analyzed. In WAT from the exercise group, we found higher mitochondrial respiration in states I, II, and III of Complex I and Complex II, followed by an increase in ATP production, and the ROS/ATP ratio when compared to tissues from control rats. Regarding redox homeostasis, NADPH oxidase activity, protein carbonylation, and lipid peroxidation levels were lower in WAT from the exercise group when compared to control tissues. Moreover, antioxidant enzymatic activity, reduced glutathione/oxidized glutathione ratio, and total nuclear factor erythroid-2, like-2 (NFE2L2/NRF2) protein levels were higher in the exercise group compared to control. Finally, we found that exercise reduced the phosphorylation levels of H2AX histone (γH2AX), a central protein that contributes to genome stability through the signaling of DNA damage. In conclusion, our results show that chronic exercise modulates redox homeostasis in WAT, improving antioxidant capacity, and mitochondrial function. This hormetic remodeling of adipocyte redox balance points to improved adipocyte health and seems to be directly associated with the beneficial effects of exercise.
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Farris PK, Valacchi G. Ultraviolet Light Protection: Is It Really Enough? Antioxidants (Basel) 2022; 11:1484. [PMID: 36009203 PMCID: PMC9405175 DOI: 10.3390/antiox11081484] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/25/2022] [Accepted: 07/25/2022] [Indexed: 11/17/2022] Open
Abstract
Our current understanding of the pathogenesis of skin aging includes the role of ultraviolet light, visible light, infrared, pollution, cigarette smoke and other environmental exposures. The mechanism of action common to these exposures is the disruption of the cellular redox balance by the directly or indirectly increased formation of reactive oxygen species that overwhelm the intrinsic antioxidant defense system, resulting in an oxidative stress condition. Altered redox homeostasis triggers downstream pathways that contribute to tissue oxinflammation (cross-talk between inflammation and altered redox status) and accelerate skin aging. In addition, both ultraviolet light and pollution increase intracellular free iron that catalyzes reactive oxygen species generation via the Fenton reaction. This disruption of iron homeostasis within the cell further promotes oxidative stress and contributes to extrinsic skin aging. More recent studies have demonstrated that iron chelators can be used topically and can enhance the benefits of topically applied antioxidants. Thus, an updated, more comprehensive approach to environmental or atmospheric aging protection should include sun protective measures, broad spectrum sunscreens, antioxidants, chelating agents, and DNA repair enzymes.
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Affiliation(s)
- Patricia K. Farris
- Department of Dermatology, Tulane University School of Medicine, New Orleans, LA 70112, USA;
| | - Giuseppe Valacchi
- Department of Biomedical and Specialist Surgical Sciences, University of Ferrara, I-44121 Ferrara, Italy
- Animal Science Department, Plants for Human Health Institute, NC Research Campus, NC State University, Kannapolis, NC 28081, USA
- Department of Food and Nutrition, Kyung Hee University, Hoegi-Dong, Dongdaemun-Gu, Seoul 130-701, Korea
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Trifunovic S, Smiljanić K, Sickmann A, Solari FA, Kolarevic S, Divac Rankov A, Ljujic M. Electronic cigarette liquids impair metabolic cooperation and alter proteomic profiles in V79 cells. Respir Res 2022; 23:191. [PMID: 35840976 PMCID: PMC9285873 DOI: 10.1186/s12931-022-02102-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/02/2022] [Indexed: 11/20/2022] Open
Abstract
Background Although still considered a safer alternative to classical cigarettes, growing body of work points to harmful effects of electronic cigarettes (e-cigarettes) affecting a range of cellular processes. The biological effect of e-cigarettes needs to be investigated in more detail considering their widespread use. Methods In this study, we treated V79 lung fibroblasts with sub-cytotoxic concentration of e-cigarette liquids, with and without nicotine. Mutagenicity was evaluated by HPRT assay, genotoxicity by comet assay and the effect on cellular communication by metabolic cooperation assay. Additionally, comprehensive proteome analysis was performed via high resolution, parallel accumulation serial fragmentation-PASEF mass spectrometry. Results E-cigarette liquid concentration used in this study showed no mutagenic or genotoxic effect, however it negatively impacted metabolic cooperation between V79 cells. Both e-cigarette liquids induced significant depletion in total number of proteins and impairment of mitochondrial function in treated cells. The focal adhesion proteins were upregulated, which is in accordance with the results of metabolic cooperation assay. Increased presence of posttranslational modifications (PTMs), including carbonylation and direct oxidative modifications, was observed. Data are available via ProteomeXchange with identifier PXD032071. Conclusions Our study revealed impairment of metabolic cooperation as well as significant proteome and PTMs alterations in V79 cells treated with e-cigarette liquid warranting future studies on e-cigarettes health impact. Supplementary Information The online version contains supplementary material available at 10.1186/s12931-022-02102-w.
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Affiliation(s)
- Sara Trifunovic
- Biology of Robustness Group, Mediterranean Institute for Life Sciences, Split, Croatia.
| | - Katarina Smiljanić
- Department of Biochemistry and Centre of Excellence for Molecular Food Sciences, University of Belgrade, Faculty of Chemistry, Studentski Trg 12-14, 11000, Belgrade, Serbia
| | - Albert Sickmann
- Leibniz-Institut Für Analytische Wissenschaften - ISAS - E.V., Bunsen-Kirchhoff-Straße 11, Dortmund, Germany.,Medizinische Fakultät, Medizinisches Proteom-Center (MPC), Ruhr-Universität Bochum, 44801, Bochum, Germany.,Department of Chemistry, College of Physical Sciences, University of Aberdeen, Aberdeen, AB243FX, Scotland, UK
| | - Fiorella A Solari
- Leibniz-Institut Für Analytische Wissenschaften - ISAS - E.V., Bunsen-Kirchhoff-Straße 11, Dortmund, Germany
| | - Stoimir Kolarevic
- Department of Hydroecology and Water Protection, Institute for Biological Research "Sinisa Stankovic", National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Aleksandra Divac Rankov
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Mila Ljujic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
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Seike T, Boontem P, Yanagi M, Li S, Kido H, Yamamiya D, Nakagawa H, Okada H, Yamashita T, Harada K, Kikuchi M, Shiraishi Y, Ozaki N, Kaneko S, Yamashima T, Mizukoshi E. Hydroxynonenal Causes Hepatocyte Death by Disrupting Lysosomal Integrity in Nonalcoholic Steatohepatitis. Cell Mol Gastroenterol Hepatol 2022; 14:925-944. [PMID: 35787976 PMCID: PMC9500440 DOI: 10.1016/j.jcmgh.2022.06.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 06/04/2022] [Accepted: 06/13/2022] [Indexed: 12/10/2022]
Abstract
BACKGROUND & AIMS The lipid oxidation is a key factor for damaging hepatocytes and causing cell death. However, the mechanisms underlying hepatocyte death and the role of the most popular lipid peroxidation product 4-hydroxy-2-nonenal (HNE) in nonalcoholic steatohepatitis (NASH) remains unclear. METHODS We demonstrated using hepatoma cell lines, a NASH mouse model, HNE-treated monkeys, and biopsy specimens from patients with NASH that HNE induced hepatocyte death by disintegrating the lysosomal limiting membrane. RESULTS The degree of HNE deposition in human NASH hepatocytes was more severe in cases with high lobular inflammation, ballooning, and fibrosis scores, and was associated with enlargement of the staining of lysosomes in hepatocytes. In in vitro experiments, HNE activated μ-calpain via G-protein coupled receptor (GPR) 120. The resultant rupture/permeabilization of the lysosomal limiting membrane induced the leakage of cathepsins from lysosomes and hepatocyte death. The blockade of G-protein coupled receptor 120 (GPR120) or μ-calpain expression suppressed lysosomal membrane damage and hepatocyte death by HNE. Alda-1, which activates aldehyde dehydrogenase 2 to degrade HNE, prevented HNE-induced hepatocyte death. Intravenous administration of HNE to monkeys for 6 months resulted in hepatocyte death by a mechanism similar to that of cultured cells. In addition, intraperitoneal administration of Alda-1 to choline-deficient, amino-acid defined treated mice for 8 weeks inhibited HNE deposition, decreased liver inflammation, and disrupted lysosomal membranes in hepatocytes, resulting in improvement of liver fibrosis. CONCLUSIONS These results provide novel insights into the mechanism of hepatocyte death in NASH and will contribute to the development of new therapeutic strategies for NASH.
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Affiliation(s)
- Takuya Seike
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Piyakarn Boontem
- Department of Cell Metabolism and Nutrition, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Masahiro Yanagi
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Shihui Li
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Hidenori Kido
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Daisuke Yamamiya
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Hidetoshi Nakagawa
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Hikari Okada
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Tatsuya Yamashita
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan,Department of Cell Metabolism and Nutrition, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Kenichi Harada
- Department of Human Pathology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Mitsuru Kikuchi
- Department of Psychiatry and Behavioral Science, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Yoshitake Shiraishi
- Department of Functional Anatomy, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Noriyuki Ozaki
- Department of Functional Anatomy, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Shuichi Kaneko
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Tetsumori Yamashima
- Department of Cell Metabolism and Nutrition, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan,Department of Psychiatry and Behavioral Science, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan,Tetsumori Yamashima, MD, PhD, Research Fellow, Monkey Project Team Leader, Department of Psychiatry and Behavioral Science, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa 920-8641, Japan. tel: +81-76-265-2230; fax: +81-76-234-4250.
| | - Eishiro Mizukoshi
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan,Correspondence Address correspondence to: Eishiro Mizukoshi, MD, PhD, Associate Professor, Department of Gastroenterology,
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Chio JCT, Punjani N, Hejrati N, Zavvarian MM, Hong J, Fehlings MG. Extracellular Matrix and Oxidative Stress Following Traumatic Spinal Cord Injury: Physiological and Pathophysiological Roles and Opportunities for Therapeutic Intervention. Antioxid Redox Signal 2022; 37:184-207. [PMID: 34465134 DOI: 10.1089/ars.2021.0120] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Significance: Traumatic spinal cord injury (SCI) causes significant disruption to neuronal, glial, vascular, and extracellular elements. The spinal cord extracellular matrix (ECM) comprises structural and communication proteins that are involved in reparative and regenerative processes after SCI. In the healthy spinal cord, the ECM helps maintain spinal cord homeostasis. After SCI, the damaged ECM limits plasticity and contributes to inflammation through the expression of damage-associated molecules such as proteoglycans. Recent Advances: Considerable insights have been gained by characterizing the origins of the gliotic and fibrotic scars, which not only reduce the spread of injury but also limit neuroregeneration. These properties likely limit the success of therapies used to treat patients with SCI. The ECM, which is a major contributor to the scars and normal physiological functions of the spinal cord, represents an exciting therapeutic target to enhance recovery post-SCI. Critical Issue: Various ECM-based preclinical therapies have been developed. These include disrupting scar components, inhibiting activity of ECM metalloproteinases, and maintaining iron homeostasis. Biomaterials have also been explored. However, the majority of these treatments have not experienced successful clinical translation. This could be due to the ECM and scars' polarizing roles. Future Directions: This review surveys the complexity involved in spinal ECM modifications, discusses new ECM-based combinatorial strategies, and explores the biomaterials evaluated in clinical trials, which hope to introduce new treatments that enhance recovery after SCI. These topics will incorporate oxidative species, which are both beneficial and harmful in reparative and regenerative processes after SCI, and not often assessed in pertinent literature. Antioxid. Redox Signal. 37, 184-207.
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Affiliation(s)
- Jonathon Chon Teng Chio
- Department of Genetics and Development, Krembil Brain Institute, University Health Network, Toronto, Canada.,Institute of Medical Science, University of Toronto, Toronto, Canada
| | - Nayaab Punjani
- Department of Genetics and Development, Krembil Brain Institute, University Health Network, Toronto, Canada.,Institute of Medical Science, University of Toronto, Toronto, Canada
| | - Nader Hejrati
- Department of Genetics and Development, Krembil Brain Institute, University Health Network, Toronto, Canada
| | - Mohammad-Masoud Zavvarian
- Department of Genetics and Development, Krembil Brain Institute, University Health Network, Toronto, Canada.,Institute of Medical Science, University of Toronto, Toronto, Canada
| | - James Hong
- Department of Genetics and Development, Krembil Brain Institute, University Health Network, Toronto, Canada
| | - Michael G Fehlings
- Department of Genetics and Development, Krembil Brain Institute, University Health Network, Toronto, Canada.,Institute of Medical Science, University of Toronto, Toronto, Canada.,Department of Surgery and Spine Program, University of Toronto, Toronto, Canada
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Li J, Chen K, Zhao Z. The protective effects of NE 52-QQ57 against interleukin-33-induced inflammatory response in activated synovial mast cells. J Biochem Mol Toxicol 2022; 36:e23116. [PMID: 35670019 DOI: 10.1002/jbt.23116] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 03/10/2022] [Accepted: 05/20/2022] [Indexed: 11/10/2022]
Abstract
Cytokines-mediated immunity is essential for the pathological development of rheumatoid arthritis (RA). Inhibition of signaling has suggested a potential remedial approach to RA. G protein-coupled receptor 4 (GPR4) has been proven to possess a broad range of physiological functions, but its function in synovial mast cells and RA is less reported. In this study, the protective effects of NE 52-QQ57, a GPR4 antagonist, against interleukin (IL)-33-challenged inflammatory response in activated synovial mast cells were investigated. We report that IL-33 amplified GPR4 expression in HMC-1 mast cells. The GPR4 antagonist NE 52-QQ57 alleviated IL-33-caused secretions of IL-17, interferon-γ, and tumor necrosis factor-α in HMC-1 mast cells. Furthermore, we note that NE 52-QQ57 reduced IL-33-induced expressions of matrix metalloproteinase-2 (MMP-2) and MMP-9. Also, NE 52-QQ57 inhibited cyclooxygenase 2 and prostaglandin E2 expression in IL-33-challenged cells. Also, NE 52-QQ57 ameliorated IL-33-induced oxidative stress by reducing mitochondrial reactive oxygen species and 4-hydroxynonenal. Mechanistically, NE 52-QQ57 mitigated IL-33-induced activation of the p38/nuclear factor-κB signaling pathway. We conclude that targeting GPR4 might be a promising strategy for RA treatment.
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Affiliation(s)
- Jianqiang Li
- Department of Emergency Surgery, The First People's Hospital of Shangqiu City, Shangqiu, Henan, China
| | - Kunfeng Chen
- Department of Emergency Surgery, The First People's Hospital of Shangqiu City, Shangqiu, Henan, China
| | - Zhijian Zhao
- Department of Emergency Surgery, The First People's Hospital of Shangqiu City, Shangqiu, Henan, China
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Mandal PK, Dwivedi D, Shukla D, Samkaria A, Roy RG, Arora Y, Jindal K. Interplay Between Hippocampal Glutathione Depletion and pH Increment in Alzheimer’s Disease. J Alzheimers Dis 2022; 88:1-6. [DOI: 10.3233/jad-215729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Oxidative stress (OS) is a critical factor in the pathogenesis of Alzheimer’s disease (AD). Elevated OS in AD lowers the level of glutathione (GSH), a brain antioxidant. Currently, GSH is under examination in the clinical population for understanding its association with oxidative load in AD research. Significant depletion in hippocampal GSH, as observed using in vivo magnetic resonance spectroscopy (MRS), reportedly correlates with cognitive impairment in AD. Alterations in cellular-energy metabolism and increased hippocampal pH have also been reported in AD. Hence, this combined molecular interplay between hippocampal GSH and pH must be studied longitudinally for advancing AD research. Herein, we propose a schematic model depicting the molecular events in AD pathogenesis and provide a possible link between OS, GSH depletion, and pH alterations in the hippocampus. The model would further potentiate the need for in vivo longitudinal studies to confirm the interlinked mechanism between OS, hippocampal GSH depletion, and pH increment in an AD patient brain.
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Affiliation(s)
- Pravat K. Mandal
- Neuroimaging and Neurospectroscopy (NINS) Laboratory, National Brain Research Centre, Gurgaon, India
- Florey Institute of Neuroscience and Mental Health, Melbourne School of Medicine Campus, Melbourne, Australia
| | - Divya Dwivedi
- Neuroimaging and Neurospectroscopy (NINS) Laboratory, National Brain Research Centre, Gurgaon, India
| | - Deepika Shukla
- Neuroimaging and Neurospectroscopy (NINS) Laboratory, National Brain Research Centre, Gurgaon, India
| | - Avantika Samkaria
- Neuroimaging and Neurospectroscopy (NINS) Laboratory, National Brain Research Centre, Gurgaon, India
| | - Rimil Guha Roy
- Neuroimaging and Neurospectroscopy (NINS) Laboratory, National Brain Research Centre, Gurgaon, India
| | - Yashika Arora
- Neuroimaging and Neurospectroscopy (NINS) Laboratory, National Brain Research Centre, Gurgaon, India
| | - Komal Jindal
- Neuroimaging and Neurospectroscopy (NINS) Laboratory, National Brain Research Centre, Gurgaon, India
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Sharma S, Patel F, Ara H, Bess E, Shum A, Bhattarai S, Subedi U, Bell DS, Bhuiyan MS, Sun H, Batinic-Haberle I, Panchatcharam M, Miriyala S. Rotenone-Induced 4-HNE Aggresome Formation and Degradation in HL-1 Cardiomyocytes: Role of Autophagy Flux. Int J Mol Sci 2022; 23:ijms23094675. [PMID: 35563066 PMCID: PMC9105393 DOI: 10.3390/ijms23094675] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/21/2022] [Accepted: 04/22/2022] [Indexed: 11/22/2022] Open
Abstract
Reactive oxygen species (ROS) cause oxidative stress by generating reactive aldehydes known as 4-hydroxynonenal (4-HNE). 4-HNE modifies protein via covalent adduction; however, little is known about the degradation mechanism of 4-HNE-adducted proteins. Autophagy is a dynamic process that maintains cellular homeostasis by removing damaged organelles and proteins. In this study, we determined the role of a superoxide dismutase (SOD) mimetic MnTnBuOE-2-PyP5+ (MnP, BMX-001) on rotenone-induced 4-HNE aggresome degradation in HL-1 cardiomyocytes. A rotenone treatment (500 nM) given for 24 h demonstrated both increased ROS and 4-HNE aggresome accumulation in HL-1 cardiomyocytes. In addition, cardiomyocytes treated with rotenone displayed an increase in the autophagy marker LC3-II, as shown by immunoblotting and immunofluorescence. A pre-treatment with MnP (20 µM) for 24 h attenuated rotenone-induced ROS formation. An MnP pre-treatment showed decreased 4-HNE aggresomes and LC3-II formation. A rotenone-induced increase in autophagosomes was attenuated by a pre-treatment with MnP, as shown by fluorescent-tagged LC3 (tfLC3). Rotenone increased tubulin hyperacetylation through the ROS-mediated pathway, which was attenuated by MnP. The disruption of autophagy caused HL-1 cell death because a 3-methyladenine inhibitor of autophagosomes caused reduced cell death. Yet, rapamycin, an inducer of autophagy, increased cell death. These results indicated that a pre-treatment with MnP decreased rotenone-induced 4-HNE aggresomes by enhancing the degradation process.
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Affiliation(s)
- Sudha Sharma
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Foram Patel
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Hosne Ara
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Ezra Bess
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Alika Shum
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Susmita Bhattarai
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Utsab Subedi
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Daquonte Sanard Bell
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Md. Shenuarin Bhuiyan
- Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA;
| | - Hong Sun
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Ines Batinic-Haberle
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC 27710, USA;
| | - Manikandan Panchatcharam
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
- Correspondence: (M.P.); (S.M.); Tel.: +1-3-186-756-938 (M.P.); +1-3-186-758-326 (S.M.)
| | - Sumitra Miriyala
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
- Correspondence: (M.P.); (S.M.); Tel.: +1-3-186-756-938 (M.P.); +1-3-186-758-326 (S.M.)
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Co-treatment with vactosertib, a novel, orally bioavailable activin receptor-like kinase 5 inhibitor, suppresses radiotherapy-induced epithelial-to-mesenchymal transition, cancer cell stemness, and lung metastasis of breast cancer. Radiol Oncol 2022; 56:185-197. [PMID: 35390248 PMCID: PMC9122287 DOI: 10.2478/raon-2022-0012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 01/28/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Acquired metastasis and invasion of cancer cells during radiotherapy are in part due to induction of epithelial-to-mesenchymal transition (EMT) and cancer stem cell (CSC) properties, which are mediated by TGF-β signaling. Here we evaluated the anti-metastatic therapeutic potential of vactosertib, an orally bioavailable TGF-β type I receptor (activin receptor-like kinase 5, ALK5) inhibitor, via suppression of radiation-induced EMT and CSC properties, oxidative stress generation, and breast to lung metastasis in a breast cancer mouse model and breast cancer cell lines. MATERIALS AND METHODS Co-treatment of vactosertib with radiation was investigated in the 4T1-Luc allografted BALB/c syngeneic mouse model and in 4T1-Luc and MDA-MB-231 cells. The anti-metastatic therapeutic potential of vactosertib in breast cancer was investigated using fluorescence immunohistochemistry, real-time quantitative reverse transcription-polymerase chain reaction, western blotting, wound healing assay, mammosphere formation assay, and lung metastasis analysis in vitro and in vivo. RESULTS Radiation induced TGF-β signaling, EMT markers (Vimentin, Fibronectin, Snail, Slug, Twist, and N-cadherin), CSC properties (expression of pluripotent stem cell regulators, mammosphere forming ability), reactive oxygen species markers (NOX4, 4-HNE), and motility of breast cancer cells in vitro and in vivo. Vactosertib attenuated the radiation-induced EMT and CSC properties by inhibiting ROS stress in breast cancer. Moreover, vactosertib combined with radiation showed a significant anti-metastatic effect with suppression of breast to lung metastasis in vivo. CONCLUSIONS These results indicate that inhibition of TGF-β signaling with vactosertib in breast cancer patients undergoing radiotherapy would be an attractive strategy for the prevention of cancer metastasis and recurrence.
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