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Sajko S, Skeens E, Schinagl A, Ferhat M, Mirkina I, Mayer J, Rossmueller G, Thiele M, Lisi GP. Redox-dependent plasticity of oxMIF facilitates its interaction with CD74 and therapeutic antibodies. Redox Biol 2024; 75:103264. [PMID: 38972295 PMCID: PMC11263951 DOI: 10.1016/j.redox.2024.103264] [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: 04/19/2024] [Revised: 07/01/2024] [Accepted: 07/03/2024] [Indexed: 07/09/2024] Open
Abstract
MIF is a ubiquitous protein involved in proinflammatory processes, which undergoes an oxidation-driven conformational change to oxidized (ox)MIF. We demonstrate that hypochlorous acid, produced by neutrophil-released myeloperoxidase (MPO) under inflammatory conditions, effectively oxidizes MIF into the oxMIF isoform, which is specifically recognized by the anti-oxMIF therapeutic antibody, ON104. NMR investigation of MIF oxidized by the MPO system revealed increased flexibility throughout the MIF structure, including at several catalytic and allosteric sites. Mass spectrometry of MPO-oxMIF revealed methionines as the primary site of oxidation, whereas Pro2 and Tyr99/100 remained almost unmodified. ELISA, SPR and cell-based assays demonstrated that structural changes caused by MPO-driven oxidation promoted binding of oxMIF to its receptor, CD74, which does not occur with native MIF. These data reveal the environment and modifications that facilitate interactions between MIF and its pro-inflammatory receptor, and a route for therapeutic intervention targeting the oxMIF isoform.
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Affiliation(s)
- Sara Sajko
- OncoOne Research and Development GmbH, Vienna, Austria
| | - Erin Skeens
- Department of Molecular Biology, Cell Biology & Biochemistry, Brown University, USA
| | | | - Maroua Ferhat
- OncoOne Research and Development GmbH, Vienna, Austria
| | - Irina Mirkina
- OncoOne Research and Development GmbH, Vienna, Austria
| | - Julia Mayer
- OncoOne Research and Development GmbH, Vienna, Austria
| | | | | | - George P Lisi
- Department of Molecular Biology, Cell Biology & Biochemistry, Brown University, USA
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2
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Mir IH, Anilkumar AS, Guha S, Mohanty AK, Suresh Kumar M, Sujatha V, Ramesh T, Thirunavukkarasu C. Elucidation of 7,8-dihydroxy flavone in complexing with the oxidative stress-inducing enzymes, its impact on radical quenching and DNA damage: an in silico and in vitro approach. J Biomol Struct Dyn 2024; 42:4048-4063. [PMID: 37261742 DOI: 10.1080/07391102.2023.2218932] [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: 01/25/2023] [Accepted: 05/21/2023] [Indexed: 06/02/2023]
Abstract
Oxidative stress (OS) has been attributed to the progression of various disorders, including cancer, diabetes, and cardiovascular diseases. Several antioxidant compounds and free radical quenchers have been shown to mitigate oxidative stress. However, large-scale randomized controlled trials of such compounds on chronic disease aversion have yielded paradoxical and disappointing results due to the constrained cognizance of their oxidative mechanisms and therapeutic targets. The current study sought to identify the potential therapeutic targets of 7,8-Dihydroxyflavone (7,8-DHF) by analyzing its interactions with the enzymes implicated in oxidative stress and also to explore its radicle quenching potential and prophylactic impact on the H2O2-induced DNA damage. Through the in silco approach, we investigated the antioxidant potential of 7,8-DHF by evaluating its interactions with the human oxidative stress-inducing enzymes such as myeloperoxidase (MPO), NADPH oxidase (NOX), nitric oxide synthase (NOS), and xanthine oxidase (XO) and a comparative analysis of those interactions with known antioxidants (Ascorbic acid, Melatonin, Tocopherol) used as controls. The best-scoring complex was adopted for the simulation analysis in investigating protein-ligand conformational dynamics. The in vitro radicle quenching potential was evaluated by performing a spectrum of antioxidant assays, and radical quenching was observed in a dose-dependent fashion with IC50 values of < 60 µM/mL. Further, we probed its anti-hemolytic potential and prophylactic impact in avian erythrocytes subjected to H2O2-induced hemolysis and DNA damage by implementing hemolysis and comet assays. The protective effect was more pronounced at higher concentrations of the drug.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Ishfaq Hassan Mir
- Department of Biochemistry and Molecular Biology, Pondicherry University, Puducherry, India
| | | | - Shreyoshi Guha
- Department of Biochemistry and Molecular Biology, Pondicherry University, Puducherry, India
| | | | | | - Venugopal Sujatha
- DST-Mobility Fellow, Department of Chemistry, Pondicherry University, Puducherry, India
- Department of Chemistry, Periyar University, Salem, Tamil Nadu, India
| | - Thiyagarajan Ramesh
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
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3
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Liu G, Li B, Qin S, Nice EC, Yang J, Yang L, Huang C. Redox signaling-mediated tumor extracellular matrix remodeling: pleiotropic regulatory mechanisms. Cell Oncol (Dordr) 2024; 47:429-445. [PMID: 37792154 DOI: 10.1007/s13402-023-00884-9] [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] [Accepted: 09/23/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND The extracellular matrix (ECM), a fundamental constituent of all tissues and organs, is crucial for shaping the tumor microenvironment. Dysregulation of ECM remodeling has been closely linked to tumor initiation and progression, where specific signaling pathways, including redox signaling, play essential roles. Reactive oxygen species (ROS) are risk factors for carcinogenesis whose excess can facilitate the oxidative damage of biomacromolecules, such as DNA and proteins. Emerging evidence suggests that redox effects can aid the modification, stimulation, and degradation of ECM, thus affecting ECM remodeling. These alterations in both the density and components of the ECM subsequently act as critical drivers for tumorigenesis. In this review, we provide an overview of the functions and primary traits of the ECM, and it delves into our current understanding of how redox reactions participate in ECM remodeling during cancer progression. We also discuss the opportunities and challenges presented by clinical strategies targeting redox-controlled ECM remodeling to overcome cancer. CONCLUSIONS The redox-mediated ECM remodeling contributes importantly to tumor survival, progression, metastasis, and poor prognosis. A comprehensive investigation of the concrete mechanism of redox-mediated tumor ECM remodeling and the combination usage of redox-targeted drugs with existing treatment means may reveal new therapeutic strategy for future antitumor therapies.
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Affiliation(s)
- Guowen Liu
- State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, and , Chengdu, 610041, China
| | - Bowen Li
- State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, and , Chengdu, 610041, China
| | - Siyuan Qin
- State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, and , Chengdu, 610041, China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, 3800, Australia
| | - Jinlin Yang
- Department of Gastroenterology & Hepatology, West China Hospital of Sichuan University, Sichuan Province, No.37 Guoxue Alley, Chengdu, 610041, China.
- Department of Gastroenterology & Hepatology, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, West China Hospital, Sichuan University, No.37 Guoxue Alley, Chengdu, 610041, Sichuan, China.
| | - Li Yang
- Department of Gastroenterology & Hepatology, West China Hospital of Sichuan University, Sichuan Province, No.37 Guoxue Alley, Chengdu, 610041, China.
- Department of Gastroenterology & Hepatology, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, West China Hospital, Sichuan University, No.37 Guoxue Alley, Chengdu, 610041, Sichuan, China.
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, and , Chengdu, 610041, China.
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Chancharoen M, Yang Z, Dalvie ED, Gubina N, Ruchirawat M, Croy RG, Fedeles BI, Essigmann JM. 5-Chloro-2'-deoxycytidine Induces a Distinctive High-Resolution Mutational Spectrum of Transition Mutations In Vivo. Chem Res Toxicol 2024; 37:486-496. [PMID: 38394377 PMCID: PMC10952010 DOI: 10.1021/acs.chemrestox.3c00358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/15/2023] [Accepted: 01/18/2024] [Indexed: 02/25/2024]
Abstract
The biomarker 5-chlorocytosine (5ClC) appears in the DNA of inflamed tissues. Replication of a site-specific 5ClC in a viral DNA genome results in C → T mutations, which is consistent with 5ClC acting as a thymine mimic in vivo. Direct damage of nucleic acids by immune-cell-derived hypochlorous acid is one mechanism by which 5ClC could appear in the genome. A second, nonmutually exclusive mechanism involves damage of cytosine nucleosides or nucleotides in the DNA precursor pool, with subsequent utilization of the 5ClC deoxynucleotide triphosphate as a precursor for DNA synthesis. The present work characterized the mutagenic properties of 5ClC in the nucleotide pool by exposing cells to the nucleoside 5-chloro-2'-deoxycytidine (5CldC). In both Escherichia coli and mouse embryonic fibroblasts (MEFs), 5CldC in the growth media was potently mutagenic, indicating that 5CldC enters cells and likely is erroneously incorporated into the genome from the nucleotide pool. High-resolution sequencing of DNA from MEFs derived from the gptΔ C57BL/6J mouse allowed qualitative and quantitative characterization of 5CldC-induced mutations; CG → TA transitions in 5'-GC(Y)-3' contexts (Y = a pyrimidine) were dominant, while TA → CG transitions appeared at a much lower frequency. The high-resolution mutational spectrum of 5CldC revealed a notable similarity to the Catalogue of Somatic Mutations in Cancer mutational signatures SBS84 and SBS42, which appear in human lymphoid tumors and in occupationally induced cholangiocarcinomas, respectively. SBS84 is associated with the expression of activation-induced cytidine deaminase (AID), a cytosine deaminase associated with inflammation, as well as immunoglobulin gene diversification during antibody maturation. The similarity between the spectra of AID activation and 5CldC could be coincidental; however, the administration of 5CldC did induce some AID expression in MEFs, which have no inherent expression of its gene. In summary, this work shows that 5CldC induces a distinct pattern of mutations in cells. Moreover, that pattern resembles human mutational signatures induced by inflammatory processes, such as those triggered in certain malignancies.
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Affiliation(s)
- Marisa Chancharoen
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
- Chulabhorn
Research Institute and Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | - Zhiyu Yang
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Esha D. Dalvie
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Nina Gubina
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Mathuros Ruchirawat
- Chulabhorn
Research Institute and Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | - Robert G. Croy
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Bogdan I. Fedeles
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - John M. Essigmann
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
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Negash M, Chanyalew M, Girma T, Alemu F, Alcantara D, Towler B, Davey G, Boyton RJ, Altmann DM, Howe R, Newport MJ. Evidence for immune activation in pathogenesis of the HLA class II associated disease, podoconiosis. Nat Commun 2024; 15:2020. [PMID: 38448477 PMCID: PMC10917762 DOI: 10.1038/s41467-024-46347-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/23/2024] [Indexed: 03/08/2024] Open
Abstract
Available evidences suggest that podoconiosis is triggered by long term exposure of bare feet to volcanic red clay soil particles. Previous genome-wide studies in Ethiopia showed association between the HLA class II region and disease susceptibility. However, functional relationships between the soil trigger, immunogenetic risk factors and the immunological basis of the disease are uncharted. Therefore, we aimed to characterise the immune profile and gene expression of podoconiosis patients relative to endemic healthy controls. Peripheral blood immunophenotyping of T cells indicated podoconiosis patients had significantly higher CD4 and CD8 T cell surface HLA-DR expression compared to healthy controls while CD62L expression was significantly lower. The levels of the activation markers CD40 and CD86 were significantly higher on monocytes and dendritic cell subsets in patients compared to the controls. RNA sequencing gene expression data indicated higher transcript levels for activation, scavenger receptors, and apoptosis markers while levels were lower for histones, T cell receptors, variable, and constant immunoglobulin chain in podoconiosis patients compared to healthy controls. Our finding provides evidence that podoconiosis is associated with high levels of immune activation and inflammation with over-expression of genes within the pro-inflammatory axis. This offers further support to a working hypothesis of podoconiosis as soil particle-driven, HLA-associated disease of immunopathogenic aetiology.
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Affiliation(s)
- Mikias Negash
- Brighton and Sussex Centre for Global Health Research, Department of Global Health and Infection, Brighton and Sussex Medical School, Brighton, UK.
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia.
- Department of Medical Laboratory Science, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia.
| | | | - Tigist Girma
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Fekadu Alemu
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Diana Alcantara
- Brighton and Sussex Centre for Global Health Research, Department of Global Health and Infection, Brighton and Sussex Medical School, Brighton, UK
| | - Ben Towler
- Department of Biochemistry and Biomedicine, School of Life Sciences, University of Sussex, Brighton, UK
| | - Gail Davey
- Brighton and Sussex Centre for Global Health Research, Department of Global Health and Infection, Brighton and Sussex Medical School, Brighton, UK
- School of Public Health, Addis Ababa University, Addis Ababa, Ethiopia
| | - Rosemary J Boyton
- Department of Infectious Disease, Imperial College London, London, UK
| | - Daniel M Altmann
- Department of Immunology and Inflammation, Imperial College London, London, UK
| | - Rawleigh Howe
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Melanie J Newport
- Brighton and Sussex Centre for Global Health Research, Department of Global Health and Infection, Brighton and Sussex Medical School, Brighton, UK
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6
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Machado M, Cruz F, Cunha A, Ramos-Pinto L, Laranjeira A, Pacheco M, Rocha RJM, Costas B. Dietary Salicornia ramosissima improves the European seabass ( Dicentrarchus labrax) inflammatory response against Photobacterium damselae piscicida. Front Immunol 2024; 15:1342144. [PMID: 38500885 PMCID: PMC10944916 DOI: 10.3389/fimmu.2024.1342144] [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: 11/21/2023] [Accepted: 02/05/2024] [Indexed: 03/20/2024] Open
Abstract
Introduction Modern fish farming faces challenges in sourcing feed ingredients, most related with their prices, 21 availability, and specifically for plant protein sources, competition for the limited cultivation space for 22 vegetable crops. In that sense, halophytes have the added value of being rich in valuable bioactive compounds and salt tolerant. This study assessed the inclusion of non-food fractions of S. ramosissima in European seabass diets. Methods Different levels (2.5%, 5%, and 10%) were incorporated into seabass diets, replacing wheat meal (diets ST2.5, ST5, and ST10) or without inclusion (CTRL). Experimental diets were administered to seabass juveniles (8.62 ± 0.63 g) for 34 and 62 days and subsequent inflammatory responses to a heat-inactivated Photobacterium damselae subsp. piscicida (Phdp) were evaluated in a time-course manner (4, 24, 48, and 72 h after the challenge). At each sampling point, seabass haematological profile, plasma immune parameters, and head-kidney immune-related gene expression were evaluated. Results After both feeding periods, most parameters remained unaltered by S. ramosissima inclusion; nonetheless, seabass fed ST10 showed an upregulation of macrophage colony-stimulating factor 1 receptor 1 (mcsf1r1) and cluster of differentiation 8 (cd8β) compared with those fed CTRL after 62 days of feeding. Regarding the inflammatory response, seabass fed ST10 showed lower plasma lysozyme levels than their counterparts fed ST2.5 and ST5 at 24 h following injection, while 4 h after the inflammatory stimulus, seabass fed ST10 presented higher numbers of peritoneal leucocytes than fish fed CTRL. Moreover, at 4 h, fish fed ST2.5, ST5, and ST10 showed a higher expression of interleukin 1β (il1β), while fish fed ST5 showed higher levels of ornithine decarboxylase (odc) than those fed CTRL. An upregulation of macrophage colony-stimulating factor 1 receptor 1 (mcsf1r1) and glutathione peroxidase (gpx) was also observed at 72 h in fish fed ST10 or ST5 and ST10 compared with CTRL, respectively. Discussion In conclusion, incorporating up to 10% of the non-food fraction S. ramosissima in feed did not compromise seabass growth or immune status after 62 days, aligning with circular economy principles. However, S. ramosissima inclusion improved the leucocyte response and upregulated key immune-related genes in seabass challenged with an inactivated pathogen.
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Affiliation(s)
- Marina Machado
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
| | - Francisco Cruz
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
- Escola Superior de Turismo e Tecnologia do Mar de Peniche, Instituto Politécnico de Leiria, Peniche, Portugal
| | - André Cunha
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
- School of Medicine and Biomedical Sciences (ICBAS-UP), University of Porto, Porto, Portugal
| | - Lourenço Ramos-Pinto
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
| | | | - Mário Pacheco
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, Aveiro, Portugal
| | | | - Benjamín Costas
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
- School of Medicine and Biomedical Sciences (ICBAS-UP), University of Porto, Porto, Portugal
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7
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Rahman S, Haque R, Raisuddin S. Potential inhibition of 12- O-tetradecanoylphorbol-13-acetate-induced inflammation, hyperproliferation, and hyperplasiogenic responses by celecoxib in mouse skin. Cutan Ocul Toxicol 2024; 43:87-96. [PMID: 38127818 DOI: 10.1080/15569527.2023.2295843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 12/02/2023] [Indexed: 12/23/2023]
Abstract
PURPOSE Skin exposure to noxious agents leads to cutaneous lesion marked by an increase in inflammation, cellular proliferation, and hyperplasiogenic reactions. Studies have demonstrated that these damages breach the skin integrity resulting in the aetiology of various cutaneous disorders like atopic dermatitis, eczema, psoriasis, and development of non-melanoma skin cancer. Celecoxib, a cyclooxygenase-2 (COX-2) inhibitor, is an effective treatment for a variety of inflammatory diseases. Its importance in the therapy of skin problems, however, remains under appreciated. METHODS We tested efficacy of topically applied celecoxib in mitigating skin inflammation, cellular proliferation, and hyperplasia induced by the phorbol ester 12-O-tetradecanoylphorbol-13-acetate (TPA) in Swiss albino mice. RESULTS Celecoxib (5 and 10 μmol) markedly reduced TPA (10 nmol) induced prostaglandin E2 (PGE2) production, oedema formation, myeloperoxidase (MPO) activity, and levels of pro-inflammatory cytokines such as tumour necrosis factor-alpha (TNF-α), interleukin-1 beta (IL-1β), and interleukin-6 (IL-6). It also resulted in a considerable decrease in ornithine decarboxylase (ODC) activity and the incorporation of [3H]-thymidine into DNA. In addition, there was a significant reduction in histoarchitectural abnormalities such as epidermal thickness, number of epidermal cell layers, neutrophil infiltration, intercellular oedema, and vasodilation. CONCLUSION Our results demonstrate that topical celecoxib can reduce the inflammation, hyperproliferation, and hyperplasiogenic events of skin insults suggesting that it may prove to be a valuable management option for cutaneous lesion and associated illnesses such as atopic dermatitis, eczema, and psoriasis, as well as the emergence of non-melanoma cancer.
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Affiliation(s)
- Shakilur Rahman
- Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi, India
| | - Rizwanul Haque
- Department of Biotechnology, School of Earth, Biological and Environmental Science, Central University of South Bihar, Gaya, Bihar, India
| | - Sheikh Raisuddin
- Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi, India
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8
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Grüning NM, Ralser M. Monogenic Disorders of ROS Production and the Primary Anti-Oxidative Defense. Biomolecules 2024; 14:206. [PMID: 38397443 PMCID: PMC10887155 DOI: 10.3390/biom14020206] [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: 01/01/2024] [Revised: 01/25/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
Oxidative stress, characterized by an imbalance between the production of reactive oxygen species (ROS) and the cellular anti-oxidant defense mechanisms, plays a critical role in the pathogenesis of various human diseases. Redox metabolism, comprising a network of enzymes and genes, serves as a crucial regulator of ROS levels and maintains cellular homeostasis. This review provides an overview of the most important human genes encoding for proteins involved in ROS generation, ROS detoxification, and production of reduced nicotinamide adenine dinucleotide phosphate (NADPH), and the genetic disorders that lead to dysregulation of these vital processes. Insights gained from studies on inherited monogenic metabolic diseases provide valuable basic understanding of redox metabolism and signaling, and they also help to unravel the underlying pathomechanisms that contribute to prevalent chronic disorders like cardiovascular disease, neurodegeneration, and cancer.
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Affiliation(s)
- Nana-Maria Grüning
- Department of Biochemistry, Charité Universitätsmedizin Berlin, 10117 Berlin, Germany;
| | - Markus Ralser
- Department of Biochemistry, Charité Universitätsmedizin Berlin, 10117 Berlin, Germany;
- The Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
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9
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Zhang J, Cheng D, Zhang H, Liu Z, Gao M, Wei L, Yan F, Li C, Wang L, Dong G, Wang C, Zhao M, Zhu Y, Xiong H. Interleukin 28A aggravates Con A-induced acute liver injury by promoting the recruitment of M1 macrophages. FASEB J 2024; 38:e23443. [PMID: 38265281 DOI: 10.1096/fj.202301454r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 12/09/2023] [Accepted: 01/09/2024] [Indexed: 01/25/2024]
Abstract
Immune-mediated acute hepatic injury is characterized by the destruction of a large number of hepatocytes and severe liver function damage. Interleukin-28A (IL-28A), a member of the IL-10 family, is notable for its antiviral properties. However, despite advances in our understanding of IL-28A, its role in immune-mediated acute injury remains unclear. The present study investigated the role of IL-28A in concanavalin A (Con A)-induced acute immune liver injury. After Con A injection in mice, IL-28A level significantly increased. IL-28A deficiency was found to protect mice from acute liver injury, prolong survival time, and reduce serum aspartate aminotransferase and alanine aminotransferase levels. In contrast, recombinant IL-28A aggravated liver injury in mice. The proportion of activated M1 macrophages was significantly lower in the IL-28A-deficiency group than in the wild-type mouse group. In adoptive transfer experiments, M1 macrophages from WT could exacerbate mice acute liver injury symptoms in the IL-28A deficiency group. Furthermore, the expression of proinflammatory cytokines, including tumor necrosis factor-α (TNF-α), IL-12, IL-6, and IL-1β, by M1 macrophages decreased significantly in the IL-28A-deficiency group. Western blotting demonstrated that IL-28A deficiency could limit M1 macrophage polarization by modulating the nuclear factor (NF)-κB, mitogen-activated protein kinase (MAPK), and interferon regulatory factor (IRF) signaling pathways. In summary, IL-28A deletion plays an important protective role in the Con A-induced acute liver injury model and IL-28A deficiency inhibits the activation of M1 macrophages by inhibiting the NF-κB, MAPK, and IRF signaling pathways. These results provide a potential new target for the treatment of immune-related hepatic injury.
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Affiliation(s)
- Junfeng Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Dalei Cheng
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, China
| | - Hui Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Zhihong Liu
- School of Basic Medicine, Shandong First Medical University, Jinan, China
| | - Min Gao
- Clinical Laboratory, Jining First People's Hospital, Jining, China
| | - Li Wei
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Fenglian Yan
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Chunxia Li
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Lin Wang
- Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Guanjun Dong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Changying Wang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Mingsheng Zhao
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Yuanbo Zhu
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Huabao Xiong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
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10
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Araujo DFD, Holanda BF, Nascimento FLFD, Martins AB, Silva ALM, Pereira MG, Freitas Pires AD, Assreuy AMS. Polysaccharide-rich extract of Genipa americana leaves exerts anti-inflammatory effects modulated by platelet mediators. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117234. [PMID: 37793578 DOI: 10.1016/j.jep.2023.117234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Genipa americana L. (Rubiaceae) leaves are traditionally used to treat fever, pharyngitis, healing, luxation and bruises. AIM OF THE STUDY This study aimed to investigate the anti-inflammatory effect of the polysaccharide-rich extract of G. americana leaves (PE-Ga) in acute inflammation models and underlying mechanisms associated with platelet activity. MATERIALS AND METHODS Rats received PE-Ga (0.3-3.0 mg/kg; IV) 30 min before injection (IP or SC) of zymosan, serotonin, PGE2, PLA2, PAF or L-arginine, and evaluated in the models of paw edema and acute peritonits. The blockage of plasma serotonin reuptake into platelets was performed with fluoxetine (40 mg/kg; IP). RESULTS In vitro, PE-Ga inhibited ADP-induced platelet aggregation up to 49%. In the edema model, PE-Ga reduced (41%) the time-course of the edema induced by zymosan, mainly the last phase (62%), as well as that induced by PLA2 (32%), PAF (35%), L-arginine (36%), PGE2 (49%) or serotonin (54% AUC); and reversed paw hypernociception induced by PGE2 or serotonin. In the peritonitis model, PE-Ga reversed abdominal hypernociception and reduced leukocyte migration induced by zymosan to blood (38%) and peritoneal cavity (55%), mainly neutrophils (70%). PE-GA also decreased leukocyte rolling (32%) and adhesion (47%), and increased the rolling velocity 2.2-fold. In the peritoneal fluid, PE-Ga reversed P-selectin and reduced total proteins (17%), MDA (40%), NO2-/NO3- (27%), and MPO activity (43%) but increased catalase activity 3.3-fold compared to zymosan. In addition, fluoxetine reversed PE-Ga anti-inflammatory effect on leukocyte migration and adhesion. CONCLUSIONS PE-Ga exerts antiplatelet and anti-inflammatory effects in acute inflammation induced by zymosan, being modulated by P-selectin and platelet serotonin, among other inflammatory mediators.
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Affiliation(s)
- Diego Freitas de Araujo
- Instituto Superior de Ciências Biomédicas, Universidade Estadual Do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60740-000, Brazil
| | - Bianca Feitosa Holanda
- Instituto Superior de Ciências Biomédicas, Universidade Estadual Do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60740-000, Brazil
| | | | - Alice Brito Martins
- Instituto Superior de Ciências Biomédicas, Universidade Estadual Do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60740-000, Brazil; Centro de Ciências da Saúde, Centro Universitário Estácio Do Ceará, Unidade Centro, Av. Duque de Caxias 101, Fortaleza, CE, 60035-111, Brazil
| | - Alefe Lopes Macario Silva
- Faculdade de Educação, Ciências e Letras Do Sertão Central, Universidade Estadual Do Ceará, Rua José de Queiroz 2554, Quixadá, CE, 63900-000, Brazil
| | - Maria Gonçalves Pereira
- Instituto Superior de Ciências Biomédicas, Universidade Estadual Do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60740-000, Brazil; Faculdade de Educação, Ciências e Letras Do Sertão Central, Universidade Estadual Do Ceará, Rua José de Queiroz 2554, Quixadá, CE, 63900-000, Brazil
| | - Alana de Freitas Pires
- Instituto Superior de Ciências Biomédicas, Universidade Estadual Do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60740-000, Brazil; Centro de Ciências da Saúde, Centro Universitário Estácio Do Ceará, Unidade Centro, Av. Duque de Caxias 101, Fortaleza, CE, 60035-111, Brazil
| | - Ana Maria Sampaio Assreuy
- Instituto Superior de Ciências Biomédicas, Universidade Estadual Do Ceará, Av. Dr. Silas Munguba 1700, Fortaleza, CE, 60740-000, Brazil.
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11
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Lin W, Chen H, Chen X, Guo C. The Roles of Neutrophil-Derived Myeloperoxidase (MPO) in Diseases: The New Progress. Antioxidants (Basel) 2024; 13:132. [PMID: 38275657 PMCID: PMC10812636 DOI: 10.3390/antiox13010132] [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: 11/29/2023] [Revised: 01/06/2024] [Accepted: 01/12/2024] [Indexed: 01/27/2024] Open
Abstract
Myeloperoxidase (MPO) is a heme-containing peroxidase, mainly expressed in neutrophils and, to a lesser extent, in monocytes. MPO is known to have a broad bactericidal ability via catalyzing the reaction of Cl- with H2O2 to produce a strong oxidant, hypochlorous acid (HOCl). However, the overproduction of MPO-derived oxidants has drawn attention to its detrimental role, especially in diseases characterized by acute or chronic inflammation. Broadly speaking, MPO and its derived oxidants are involved in the pathological processes of diseases mainly through the oxidation of biomolecules, which promotes inflammation and oxidative stress. Meanwhile, some researchers found that MPO deficiency or using MPO inhibitors could attenuate inflammation and tissue injuries. Taken together, MPO might be a promising target for both prognostic and therapeutic interventions. Therefore, understanding the role of MPO in the progress of various diseases is of great value. This review provides a comprehensive analysis of the diverse roles of MPO in the progression of several diseases, including cardiovascular diseases (CVDs), neurodegenerative diseases, cancers, renal diseases, and lung diseases (including COVID-19). This information serves as a valuable reference for subsequent mechanistic research and drug development.
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Affiliation(s)
- Wei Lin
- Clinical Pharmacology Research Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, China;
| | - Huili Chen
- Center of System Pharmacology and Pharmacometrics, College of Pharmacy, University of Florida, Gainesville, FL 32611, USA;
| | - Xijing Chen
- Clinical Pharmacology Research Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, China;
| | - Chaorui Guo
- Clinical Pharmacology Research Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, China;
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12
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Zhao R, Xue M, Lin H, Smith M, Liang H, Weiler H, Griffin JH, Jackson CJ. A recombinant signalling-selective activated protein C that lacks anticoagulant activity is efficacious and safe in cutaneous wound preclinical models. Wound Repair Regen 2024; 32:90-103. [PMID: 38155595 DOI: 10.1111/wrr.13148] [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: 06/24/2023] [Revised: 12/09/2023] [Accepted: 12/18/2023] [Indexed: 12/30/2023]
Abstract
Various preclinical and clinical studies have demonstrated the robust wound healing capacity of the natural anticoagulant activated protein C (APC). A bioengineered APC variant designated 3K3A-APC retains APC's cytoprotective cell signalling actions with <10% anticoagulant activity. This study was aimed to provide preclinical evidence that 3K3A-APC is efficacious and safe as a wound healing agent. 3K3A-APC, like wild-type APC, demonstrated positive effects on proliferation of human skin cells (keratinocytes, endothelial cells and fibroblasts). Similarly it also increased matrix metollaproteinase-2 activation in keratinocytes and fibroblasts. Topical 3K3A-APC treatment at 10 or 30 μg both accelerated mouse wound healing when culled on Day 11. And at 10 μg, it was superior to APC and had half the dermal wound gape compared to control. Further testing was conducted in excisional porcine wounds due to their congruence to human skin. Here, 3K3A-APC advanced macroscopic healing in a dose-dependent manner (100, 250 and 500 μg) when culled on Day 21. This was histologically corroborated by greater collagen maturity, suggesting more advanced remodelling. A non-interference arm of this study found no evidence that topical 3K3A-APC caused either any significant systemic side-effects or any significant leakage into the circulation. However the female pigs exhibited transient and mild local reactions after treatments in week three, which did not impact healing. Overall these preclinical studies support the hypothesis that 3K3A-APC merits future human wound studies.
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Affiliation(s)
- Ruilong Zhao
- Sutton Laboratory, Kolling Institute of Medical Research, Sydney, New South Wales, Australia
| | - Meilang Xue
- Sutton Laboratory, Kolling Institute of Medical Research, Sydney, New South Wales, Australia
| | - Haiyan Lin
- Sutton Laboratory, Kolling Institute of Medical Research, Sydney, New South Wales, Australia
| | - Margaret Smith
- Raymond Purves Laboratory, Kolling Institute of Medical Research, Sydney, New South Wales, Australia
| | - Helena Liang
- Sutton Laboratory, Kolling Institute of Medical Research, Sydney, New South Wales, Australia
| | - Hartmut Weiler
- Department of Physiology, Blood Research Institute, Milwaukee, Wisconsin, USA
| | - John H Griffin
- Department of Molecular Medicine, The Scripps Research Institute, San Diego, California, USA
| | - Christopher J Jackson
- Sutton Laboratory, Kolling Institute of Medical Research, Sydney, New South Wales, Australia
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Brandt E, Keskin M, Räisänen IT, Tervahartiala T, Mäkitie A, Harmankaya İ, Karaçetin D, Hagström J, Rautava J, Sorsa T. Induction of Collagenolytic MMP-8 and -9 Tissue Destruction Cascade in Mouth by Head and Neck Cancer Radiotherapy: A Cohort Study. Biomedicines 2023; 12:27. [PMID: 38275388 PMCID: PMC10813307 DOI: 10.3390/biomedicines12010027] [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: 11/06/2023] [Revised: 12/07/2023] [Accepted: 12/14/2023] [Indexed: 01/27/2024] Open
Abstract
The effect of head and neck cancer (HNC) radiotherapy (RT) on biomarkers is not known but there is a lot of potential for gaining more precise cancer treatments and less side effects. This cohort study investigated the levels and molecular forms of the matrix metalloproteinase (MMP) -8 and -9, tissue inhibitor of metalloproteinase (TIMP)-1, myeloperoxidase (MPO) and interleukin (IL)-6 in mouth-rinse samples as well as the clinical periodontal status in HNC patients (n = 21) receiving RT. Complete periodontal examinations were performed pre-RT and one month after RT. Mouth-rinse samples (pre-RT, after six weeks of RT and one month after RT) were assayed using a point-of-care-kit (PerioSafe®/ORALyzer® (Dentognostics GmbH, Jena, Germany)) for active MMP-8 and ELISA analysis for total MMP-8 and -9, MPO, TIMP-1, and IL-6 levels. Molecular forms of MMP-9 were assessed by gelatinolytic zymography and MMP-8 by western immunoblot. Significant changes were observed between the three time points in the mean levels of active and total MMP-8, active MMP-9, and IL-6. Their levels increased during the RT and decreased after the RT period. The aMMP-8 levels stayed elevated even one month after RT compared to the pre-RT. Clinical attachment loss, probing depths, and bleeding on probing were increased between pre- and post-calculations in periodontal status. Elevated inflammatory biomarker levels together with clinical recordings strongly suggest that RT eventually increases the risk to the periodontal tissue destruction by inducing the active proteolytical MMP-cascade, and especially by prolonged activity of collagenolytic aMMP-8. Eventually, the aMMP-8 point-of-care mouth-rinse test could be an easy, early detection tool for estimating the risk for periodontal damage by the destructive MMP-cascade in HNC patients with RT treatment.
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Affiliation(s)
- Ella Brandt
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, 00290 Helsinki, Finland (T.S.)
| | - Mutlu Keskin
- Oral and Dental Health Department, Altınbaş University, 34147 Istanbul, Turkey
| | - Ismo T. Räisänen
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, 00290 Helsinki, Finland (T.S.)
| | - Taina Tervahartiala
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, 00290 Helsinki, Finland (T.S.)
| | - Antti Mäkitie
- Department of Otorhinolaryngology—Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, P.O. Box 263, 00029 Helsinki, Finland;
- Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland
| | - İlknur Harmankaya
- Department of Radiation Oncology, Başakşehir Çam and Sakura City Hospital, 34480 Istanbul, Turkey
| | - Didem Karaçetin
- Department of Radiation Oncology, Başakşehir Çam and Sakura City Hospital, 34480 Istanbul, Turkey
| | - Jaana Hagström
- Department of Pathology, Helsinki University Hospital, 00014 Helsinki, Finland
- Department of Oral Pathology and Radiology, University of Turku, 20520 Turku, Finland
| | - Jaana Rautava
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, 00290 Helsinki, Finland (T.S.)
- Department of Pathology, Helsinki University Hospital, 00014 Helsinki, Finland
| | - Timo Sorsa
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, 00290 Helsinki, Finland (T.S.)
- Department of Medicine and Dental Medicine, Karolinska Institute, 171 77 Stockholm, Sweden
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14
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Liu Z, Bao Z, Yu B, Chen L, Yang G. Pemetrexed ameliorates Con A-induced hepatic injury by restricting M1 macrophage activation. Int Immunopharmacol 2023; 125:111158. [PMID: 37925950 DOI: 10.1016/j.intimp.2023.111158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 10/17/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
Abstract
Autoimmune hepatitis (AIH), characterized by immune-driven liver destruction and cytokine production, is a progressive inflammatory liver condition that may progress to hepatic cirrhosis or tumors. However, the underlying mechanism is not well understood, and the treatment options for this disease are limited. Pemetrexed (PEM), a clinically used anti-folate drug for treating various tumors, was found to inhibit the nuclear factor (NF)-κB signaling pathways that exert an important role in the development of AIH. Here, we investigated the impact of PEM on immune-mediated hepatic injuries using a murine model of Concanavalin A (Con A)-induced hepatitis, a well-established model for AIH. Mice received intraperitoneal PEM injections 3 times at 12-hour intervals, and two hours later, they were challenged with Con A. Liver samples and serum were collected after 10 h. The results indicate that PEM significantly improved mouse survival rates and lowered serum transaminase levels. Moreover, PEM effectively alleviated oxidative stress, reduced histopathological liver damage, and mitigated hepatocyte apoptosis. Notably, it reduced the activation of M1-type macrophages in the liver. The expression of proinflammatory cytokines and genes associated with M1 macrophages, such as tumor necrosis factor-alpha (TNF-α), interleukin (IL)-6, IL-12, IL-1β, and inducible nitric oxide synthase (iNOS), was also decreased. Finally, the results indicated that PEM regulates M1 macrophage activation by modulating the NF-κB signaling pathways. Overall, these results demonstrate that PEM effectively guards against immune-mediated hepatic injuries induced by Con A by inhibiting M1 macrophage activation through the NF-κB signaling pathways and indicate the potential of PEM as a practical treatment option for AIH in clinical settings.
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Affiliation(s)
- Zhaiyi Liu
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, China; School of Bioengineering, Dalian University of Technology, Dalian, Liaoning, China
| | - Zhiyue Bao
- School of Bioengineering, Dalian University of Technology, Dalian, Liaoning, China
| | - Bo Yu
- School of Clinical Medicine, Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Lihong Chen
- Health Science Center, East China Normal University, Shanghai, China
| | - Guangrui Yang
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, China; School of Bioengineering, Dalian University of Technology, Dalian, Liaoning, China; School of Clinical Medicine, Shanghai University of Medicine & Health Sciences, Shanghai, China.
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15
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Wang L, Yan F, Zhang J, Xiao Y, Wang C, Zhu Y, Li C, Liu Z, Li W, Wang C, Liu J, Zhang H, Xiong H, Shi D. Cornuside improves murine autoimmune hepatitis through inhibition of inflammatory responses. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 120:155077. [PMID: 37716032 DOI: 10.1016/j.phymed.2023.155077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/08/2023] [Accepted: 09/09/2023] [Indexed: 09/18/2023]
Abstract
BACKGROUND Autoimmune hepatitis (AIH) poses an important public health concern worldwide, with few therapeutic options available. Cornuside, a primary cornel iridoid glycoside present in Cornus officinalis Sieb. et Zucc., is a well-known traditional Chinese medicine that possesses anti-inflammatory, antioxidant and anti-apoptotic properties. However, the effects of cornuside on autoimmune diseases including AIH is still not defined, neither is clear on the mechanisms of cornuside in the suppression of inflammatory responses. PURPOSE The study was aimed to investigate the therapeutic effects of cornuside on AIH using murine models. STUDY DESIGN A murine model of AIH induced by concanavalin A (Con A) was used to examine the pharmacological activity of cornuside in suppressing the inflammatory responses in vivo. METHODS C57BL/6J mice were intravenously with different doses of cornuside and challenged with 18 mg/kg Con A 3 h later. Network pharmacological analysis was performed to identify the potential target genes and signaling pathways by cornuside in AIH. Next serum and liver tissues were collected 12 h after Con A injection to analyze the levels of markers for hepatic injury, apoptosis, oxidative stress, immune responses, and inflammation. RESULTS Network pharmacological analysis revealed that cornuside may modulate oxidative stress and apoptosis in AIH. Compared with the Con A group, cornuside pretreatment significantly reduced the serum levels of alanine aminotransferase and aspartate aminotransferase, improving histopathological damage and apoptosis in the livers. In addition, cornuside decreased the levels of malondialdehyde, myeloperoxidase, but increased superoxide dismutase levels, suggesting the relieving of oxidative stress. Furthermore, cornuside suppressed the activation of T and natural killer T cells, whereas the proportion of myeloid-derived suppressor cells was significantly increased. The production of proinflammatory cytokines, including interleukin (IL)-6, IL-12, IL-1β, and tumor necrosis factor-alpha (TNF-α), was also clearly decreased. Finally, western blot analysis displayed that cornuside inhibited the phosphorylation of extracellular receptor kinase (ERK) and c-Jun N-terminal kinase (JNK). CONCLUSIONS We demonstrated that cornuside has protective effects for Con A-induced immune-mediated hepatitis by suppressing the oxidative stress, apoptosis, and the inflammatory responses through the ERK and JNK signaling pathways, as well as by modulating the activation and recruitment of immune cells.
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Affiliation(s)
- Lin Wang
- Cheeloo College of Medicine, Shandong University, Jinan, China; Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
| | - Fenglian Yan
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China; Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Junfeng Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China; Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Yucai Xiao
- Cheeloo College of Medicine, Shandong University, Jinan, China; Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
| | - Changying Wang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China; Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Yuanbo Zhu
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China; Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Chunxia Li
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China; Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Zhihong Liu
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China; Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Wenbo Li
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
| | - Chengduo Wang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
| | - Jie Liu
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
| | - Hui Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China; Jining Key Laboratory of Immunology, Jining Medical University, Jining, China.
| | - Huabao Xiong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China; Jining Key Laboratory of Immunology, Jining Medical University, Jining, China.
| | - Dongmei Shi
- Cheeloo College of Medicine, Shandong University, Jinan, China; Laboratory of Medical Mycology, Department of Dermatology, Jining No.1 People's Hospital, Jining, China.
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16
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Botía M, Ortín-Bustillo A, López-Martínez MJ, Fuentes P, Escribano D, González-Bulnes A, Manzanilla EG, Martínez-Subiela S, Tvarijonaviciute A, López-Arjona M, Cerón JJ, Tecles F, Muñoz-Prieto A. Gaining knowledge about biomarkers of the immune system and inflammation in the saliva of pigs: The case of myeloperoxidase, S100A12, and ITIH4. Res Vet Sci 2023; 164:104997. [PMID: 37657394 DOI: 10.1016/j.rvsc.2023.104997] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/07/2023] [Accepted: 08/23/2023] [Indexed: 09/03/2023]
Abstract
An assay for the measurement of myeloperoxidase (Mpx) in porcine saliva was developed and validated, and factors influencing Mpx and another two biomarkers of inflammation and immune system, the protein S100A12 and the inter-alpha-trypsin inhibitor heavy chain 4 (ITIH4), were studied. The spectrophotometric method for Mpx measurement validated in this assay showed an adequate analytical performance including precision and accuracy. When a group of twenty healthy pigs was sampled every 4 h from 8 a.m. until 8 p.m., Mpx and S100A12 showed significant increases at 4 p.m., whereas ITIH4 concentration showed a significant decrease at 12 a.m. Increases were also seen in salivary Mpx, S100A12, and ITIH4 levels 24 h after the intramuscular administration of Escherichia coli lipopolysaccharide in five pigs; whereas in a non-septic inflammation after the subcutaneous administration of turpentine oil to five pigs changes were seen in S100A12 at 3 h and in ITIH4 at 48 h. When a stressful situation consisting of the transportation and stay of 4 h to a slaughterhouse of 24 pigs was performed, all analytes were increased after 4 h of lairage in the slaughterhouse compared with the values that were obtained the day before at the same time of the day. Mpx can be measured in the saliva of pigs with the automated assay described in this report. Mpx, S100A12, and ITIH4 salivary levels can change depending on the hour of the day in which the sample is taken, and increases can be produced due to sepsis, non-septic inflammation and stress.
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Affiliation(s)
- María Botía
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
| | - Alba Ortín-Bustillo
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
| | - María J López-Martínez
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
| | | | - Damián Escribano
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain; Department of Animal Production, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
| | - Antonio González-Bulnes
- Departamento de Producción y Sanidad Animal, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, C/Tirant lo Blanc, 7, Alfara del Patriarca, 46115, Valencia, Spain
| | - Edgar G Manzanilla
- Pig Development Department, The Irish Food and Agriculture Authority, Teagasc, Moorepark, P61 C996, Fermoy, Co Cork, Ireland; School of Veterinary Medicine, University College Dublin, Dublin 4, Ireland
| | - Silvia Martínez-Subiela
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
| | - Asta Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
| | - Marina López-Arjona
- Department of Animal and Food Science, Universitat Autònoma de Barcelona, Cerdanyola de Vallés, 08193 Barcelona, Spain
| | - José J Cerón
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
| | - Fernando Tecles
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain.
| | - Alberto Muñoz-Prieto
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
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Deliyanti D, Suphapimol V, Ang P, Tang X, Jayasimhan A, Wilkinson-Berka JL. Early Depletion of Neutrophils Reduces Retinal Inflammation and Neovascularization in Mice with Oxygen-Induced Retinopathy. Int J Mol Sci 2023; 24:15680. [PMID: 37958664 PMCID: PMC10648252 DOI: 10.3390/ijms242115680] [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: 09/08/2023] [Revised: 10/22/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023] Open
Abstract
Retinal inflammation is a central feature of ocular neovascular diseases such as diabetic retinopathy and retinopathy of prematurity, but the contribution of neutrophils to this process is not fully understood. We studied oxygen-induced retinopathy (OIR) which develops in two phases, featuring hyperoxia-induced retinal vaso-obliteration in phase I, followed by retinal neovascularization in phase II. As neutrophils are acute responders to tissue damage, we evaluated whether neutrophil depletion with an anti-Ly6G mAb administered in phase I OIR influenced retinal inflammation and vascular injury. Neutrophils were measured in blood and spleen via flow cytometry, and myeloperoxidase, an indicator of neutrophil activity, was evaluated in the retina using Western blotting. Retinal vasculopathy was assessed by quantitating vaso-obliteration, neovascularization, vascular leakage, and VEGF levels. The inflammatory factors, TNF, MCP-1, and ICAM-1 were measured in retina. In the OIR controls, neutrophils were increased in the blood and spleen in phase I but not phase II OIR. In OIR, the anti-Ly6G mAb reduced neutrophils in the blood and spleen, and myeloperoxidase, inflammation, and vasculopathy in the retina. Our findings revealed that the early rise in neutrophils in OIR primes the retina for an inflammatory and angiogenic response that promotes severe damage to the retinal vasculature.
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Affiliation(s)
| | | | | | | | | | - Jennifer L. Wilkinson-Berka
- Department of Anatomy and Physiology, School of Biomedical Sciences, University of Melbourne, Parkville, VIC 3010, Australia; (D.D.); (V.S.); (P.A.); (X.T.); (A.J.)
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Jonasdottir AD, Manojlovic M, Vojinovic J, Nordin A, Bruchfeld A, Gunnarsson I, Mobarrez F, Antovic A. Augmented thrombin formation is related to circulating levels of extracellular vesicles exposing tissue factor and citrullinated histone-3 in anti-neutrophil cytoplasmic antibody-associated vasculitides. Front Med (Lausanne) 2023; 10:1240325. [PMID: 37915326 PMCID: PMC10616855 DOI: 10.3389/fmed.2023.1240325] [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: 06/14/2023] [Accepted: 09/29/2023] [Indexed: 11/03/2023] Open
Abstract
Objectives To study circulating myeloperoxidase (MPO)-positive extracellular vesicles (MPO+EVs) exposing citrullinated histone-3 (H3Cit), tissue factor (TF), and plasminogen (Plg) in association to thrombin generation in patients with anti-neutrophil cytoplasm antibody (ANCA)-associated vasculitis (AAV). Methods We have involved well-characterized patients with AAV together with population-based controls. Flow cytometry was used to assess the levels of MPO+EVs in citrated plasma. MPO+EVs were phenotyped by anti-MPO-antibodies together with anti-CD142 (anti-TF), anti-H3Cit, and anti-Plg antibodies. A modified Calibrated Automated Thrombogram (CAT) assay was utilized to measure thrombin generation in plasma initiated by EVs-enriched pellets. The activity of AAV was evaluated with the Birmingham Vasculitis Activity Score (BVAS). Results This study comprised 46 AAV patients, 23 in the active stage of the disease and 23 in remission, as well as 23 age- and sex matched population-based controls. Augmented levels of all investigated MPO+ EVs were found in active AAV patients in comparison to the subgroup of patients in remission and controls. Thrombin generation, measured by endogenous thrombin potential (ETP) and peak of thrombin formation, was higher in plasma when triggered by EVs-enriched pellet from AAV patients. ETP and peak were associated with the levels of MPO+TF+ and MPO+H3Cit+ EVs. Additionally, MPO+TF+ EVs correlated with the disease activity evaluated with BVAS. Conclusion Augmented thrombin generation is found in AAV patients regardless of disease activity and is associated with higher exposure of TF and H3Cit on MPO+EVs. This may contribute to the increased risk of thrombosis seen in AAV patients.
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Affiliation(s)
- Asta Dogg Jonasdottir
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
- Division of Nephrology, Department of Medicine, Landspitali – The National University Hospital, Reykjavik, Iceland
| | - Milena Manojlovic
- Department of Pediatrics, Medical Faculty, University of Niš, Niš, Serbia
| | - Jelena Vojinovic
- Department of Pediatrics, Medical Faculty, University of Niš, Niš, Serbia
| | - Annica Nordin
- Department of Medicine, Division of Rheumatology, Karolinska Institutet, Stockholm, Sweden
| | - Annette Bruchfeld
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Iva Gunnarsson
- Department of Medicine, Division of Rheumatology, Karolinska Institutet, Stockholm, Sweden
- Rheumatology, Karolinska University Hospital Stockholm, Stockholm, Sweden
| | | | - Aleksandra Antovic
- Department of Medicine, Division of Rheumatology, Karolinska Institutet, Stockholm, Sweden
- Rheumatology, Karolinska University Hospital Stockholm, Stockholm, Sweden
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Asejeje FO, Akinola KD, Abiola MA. Sodium benzoate exacerbates hepatic oxidative stress and inflammation in lipopolysaccharide-induced liver injury in rats. Immunopharmacol Immunotoxicol 2023; 45:558-564. [PMID: 36927185 DOI: 10.1080/08923973.2023.2191818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 03/12/2023] [Indexed: 03/18/2023]
Abstract
BACKGROUND Liver damage is a global health concern associated with a high mortality rate. Sodium benzoate (SB) is a widely used preservative in the food industry with a wide range of applications. However, there's a lack of scientific reports on its effect on lipopolysaccharide-induced hepatic dysfunction. OBJECTIVE The present study investigated the influence of SB on lipopolysaccharide (LPS)-induced liver injury. MATERIALS AND METHODS Twenty-eight rats were randomly allocated into four groups: control (received distilled water), SB (received 600 mg/kg), LPS (received 0.25 mg/kg), and LPS + SB (received LPS, 0.25 mg/kg, and SB, 600 mg/kg). SB was administered orally for 14 days while LPS was administered intraperitoneally for 7 days. RESULTS Administration of SB to rats with hepatocyte injury exacerbated liver damage with a significant increase in the activities of serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP). We also observed that SB aggravated LPS-mediated hepatic oxidative stress occasioned by a marked decrease in antioxidant status with a concomitant increase in lipid peroxidation. Furthermore, LPS - mediated increase in inflammatory biomarkers as well as histological deterioration in the liver was exacerbated following the administration of SB to rats. CONCLUSION Taken together, the study provides experimental evidence that SB exacerbates hepatic oxidative stress and inflammation in LPS-mediated liver injury.
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Affiliation(s)
- Folake Olubukola Asejeje
- Department of Chemical Sciences, Faculty of Natural Sciences, Ajayi Crowther University, Oyo, Nigeria
| | - Khalid Damilare Akinola
- Department of Chemical Sciences, Faculty of Natural Sciences, Ajayi Crowther University, Oyo, Nigeria
| | - Michael Abayomi Abiola
- Department of Chemical Sciences, Faculty of Natural Sciences, Ajayi Crowther University, Oyo, Nigeria
- Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, WI, USA
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20
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Langer F, Quick H, Beitzen-Heineke A, Janjetovic S, Mäder J, Lehr C, Bokemeyer C, Kuta P, Renné T, Fiedler W, Beckmann L, Klingler F, Rolling CC. Regulation of coagulation activation in newly diagnosed AML by the heme enzyme myeloperoxidase. Thromb Res 2023; 229:155-163. [PMID: 37473552 DOI: 10.1016/j.thromres.2023.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/30/2023] [Accepted: 07/10/2023] [Indexed: 07/22/2023]
Abstract
INTRODUCTION Patients with acute myeloid leukemia (AML) are at increased risk of thrombohemorrhagic complications. Overexpressed tissue factor (TF) on AML blasts contributes to systemic coagulation activation. We have recently shown that the heme enzyme myeloperoxidase (MPO) negatively regulates TF procoagulant activity (PCA) on myelomonocytic cells in vitro. We now aimed to further characterize the functional interaction of MPO and TF in AML in vivo. METHODS We prospectively recruited 66 patients with newly diagnosed AML. TF PCA of isolated peripheral blood mononuclear cells (PBMC) was assessed by single-stage clotting assay in the presence or absence of inhibitors against MPO catalytic activity (ABAH) or against MPO-binding integrins (anti-CD18). MPO in plasma and in AML blasts was measured by ELISA, and plasma D-dimers and prothrombin fragment F1+2 were quantified by automated immunoturbidimetric and chemiluminescence assays, respectively. RESULTS Patients with AML had significantly higher MPO plasma levels compared to healthy controls and exhibited increased levels of D-dimers and F1+2. In vivo thrombin generation was mediated by TF PCA on circulating PBMC. Ex vivo incubation of isolated PBMC with ABAH or anti-CD18 antibody resulted in either increased or decreased TF PCA. The strong and robust correlation of F1+2 with TF PCA of circulating PBMC was abrogated at MPO plasma levels higher than 150 ng/mL, indicating a modulatory role for MPO on TF-mediated in vivo thrombin generation above this threshold. CONCLUSION Our study indicates that catalytically active MPO released by circulating myeloblasts regulates TF-dependent coagulation in patients with newly diagnosed AML in a CD18-dependent manner.
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Affiliation(s)
- Florian Langer
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Hanna Quick
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Antonia Beitzen-Heineke
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Snjezana Janjetovic
- Klinik für Hämatologie und Zelltherapie, Helios Klinikum Berlin-Buch, Berlin, Germany
| | - Jonathan Mäder
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Carina Lehr
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Carsten Bokemeyer
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Piotr Kuta
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Renné
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland; Center for Thrombosis and Hemostasis (CTH), Johannes Gutenberg University Medical Center, Mainz, Germany
| | - Walter Fiedler
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lennart Beckmann
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Felix Klingler
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christina C Rolling
- Oncology, Hematology and BMT with section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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21
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Cosic-Mujkanovic N, Valadez-Cosmes P, Maitz K, Lueger A, Mihalic ZN, Runtsch MC, Kienzl M, Davies MJ, Chuang CY, Heinemann A, Schicho R, Marsche G, Kargl J. Myeloperoxidase Alters Lung Cancer Cell Function to Benefit Their Survival. Antioxidants (Basel) 2023; 12:1587. [PMID: 37627581 PMCID: PMC10451743 DOI: 10.3390/antiox12081587] [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: 05/10/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023] Open
Abstract
Myeloperoxidase (MPO) is a neutrophil-derived enzyme that has been recently associated with tumour development. However, the mechanisms by which this enzyme exerts its functions remain unclear. In this study, we investigated whether myeloperoxidase can alter the function of A549 human lung cancer cells. We observed that MPO promoted the proliferation of cancer cells and inhibited their apoptosis. Additionally, it increased the phosphorylation of AKT and ERK. MPO was rapidly bound to and internalized by A549 cells, retaining its enzymatic activity. Furthermore, MPO partially translocated into the nucleus and was detected in the chromatin-enriched fraction. Effects of MPO on cancer cell function could be reduced when MPO uptake was blocked with heparin or upon inhibition of the enzymatic activity with the MPO inhibitor 4-aminobenzoic acid hydrazide (4-ABAH). Lastly, we have shown that tumour-bearing mice treated with 4-ABAH had reduced tumour burden when compared to control mice. Our results highlight the role of MPO as a neutrophil-derived enzyme that can alter the function of lung cancer cells.
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Affiliation(s)
- Nejra Cosic-Mujkanovic
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
| | - Paulina Valadez-Cosmes
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
| | - Kathrin Maitz
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
| | - Anna Lueger
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
| | - Zala N. Mihalic
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
| | - Marah C. Runtsch
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
| | - Melanie Kienzl
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
- BioTechMed-Graz, 8010 Graz, Austria
| | - Michael J. Davies
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Christine Y. Chuang
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Akos Heinemann
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
- BioTechMed-Graz, 8010 Graz, Austria
| | - Rudolf Schicho
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
- BioTechMed-Graz, 8010 Graz, Austria
| | - Gunther Marsche
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
- BioTechMed-Graz, 8010 Graz, Austria
| | - Julia Kargl
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria
- BioTechMed-Graz, 8010 Graz, Austria
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Meurer M, Felisbino F, Müller FB, Somensi LB, Cury BJ, Jerônimo DT, Venzon L, França TCS, Mariott M, Santos AC, Nunes RKS, Boeing T, Bella-Cruz A, Souza PDE, Roman-Junior WA, Arunachalam K, Oliveira RG, Silva LM. Antiulcer mechanisms of the hydroalcoholic extract from Aztec marigolds' medicinal and edible flowers (Tagetes erecta L.). AN ACAD BRAS CIENC 2023; 95:e20220427. [PMID: 37556712 DOI: 10.1590/0001-3765202320220427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 09/15/2022] [Indexed: 08/11/2023] Open
Abstract
The antiulcer mechanisms of the dry extract of T. erecta flowers (DETe) were studied here. The acute ulcers induced by acidified ethanol or indomethacin were reproduced in mice pretreated with DETe (3 - 300 mg/kg). The antiulcer activity of DETe was also verified in mice pretreated with NEM, L-NAME, indomethacin, or yohimbine. The antisecretory effect of DETe was verified in rats, and its anti-Helicobacter pylori activity was determined in vitro. DETe (300 mg/kg, p.o) reduced the ethanol- or indomethacin-induced ulcer by 49 and 93%, respectively. The pre-treatment with L-NAME, NEM or yohimbine abolished the gastroprotective effect of DETe. However, DETe did not change the volume, acidity, or peptic activity in rats and did not affect H. pylori. This study expands knowledge about the antiulcerogenic potential of DETe, evidencing the role of nitric oxide, non-protein sulfhydryl groups, α2 adrenergic receptors, and prostaglandins, but not antisecretory or anti-H. pylori properties.
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Affiliation(s)
- Mariane Meurer
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Fabiula Felisbino
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Fabiana B Müller
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Lincon B Somensi
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
- Programa de Pós-Graduação em Desenvolvimento e Sociedade, Universidade Alto Vale do Rio do Peixe, Rua Victor Baptista Adami, 800, Centro, 89500-000 Caçador, SC, Brazil
| | - Benhur J Cury
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Daniele T Jerônimo
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Larissa Venzon
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Tauani C S França
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Marihá Mariott
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Ana C Santos
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Ruan Kaio S Nunes
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Thaise Boeing
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Alexandre Bella-Cruz
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Priscila DE Souza
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
| | - Walter A Roman-Junior
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Comunitária da Região de Chapecó, Servidão Anjo da Guarda, 295-D, Efapi, 89809-900 Chapecó, SC, Brazil
| | - Karuppusamy Arunachalam
- Chinese Academy of Sciences, Kunming Institute of Botany, Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming 650201, People's Republic of China
| | - Ruberlei G Oliveira
- Universidade Federal de Mato Grosso, Escola de Educação Física (Programa de Pós-Graduação), Avenida Universitária, 3500, Parque Universitário, 78060-900 Cuiabá, MT, Brazil
| | - Luisa M Silva
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade do Vale do Itajaí, Núcleo de Pesquisas Farmacêuticas Químicas (NIQFAR), Rua Uruguai, 458, Centro, 89809-900 Itajaí, SC, Brazil
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23
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Odetayo AF, Adeyemi WJ, Olayaki LA. In vivo exposure to bisphenol F induces oxidative testicular toxicity: role of Erβ and p53/Bcl-2 signaling pathway. FRONTIERS IN REPRODUCTIVE HEALTH 2023; 5:1204728. [PMID: 37601897 PMCID: PMC10433915 DOI: 10.3389/frph.2023.1204728] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 07/07/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction Bisphenol F (BPF), an alternative to bisphenol A has been implicated as a gonadotoxic substance. BPF has been shown to induce hormonal imbalance and testicular oxidative damage. However, the mechanism associated with BPF-induced testicular toxicity has not been fully explored. This study was designed to explore the role of tumor protein (p53)/ B-cell lymphoma 2 (BCl-2) signaling and oestrogen receptor beta (Erβ) in BPF-induced testicular toxicity. Methods Male Wistar rats were randomized into control (Cntrl), BPF-treated (10, 30, and 50 mg/kg for low dose (BPF-L), medium dose (BPF-M), and high dose (BPF-H) respectively), and BPF-treated recovery (Cntrl-R, BPF-L-R, BPF-M-R, and BPF-H-R). The administration was via gavage and lasted for 28 days and the animals in the recovery groups were allowed 28-days exposure free period for recovery from BPF exposure. Results BPF resulted in the distortion of the testicular histoarchitecture, which was accompanied by a significant rise in testicular gamma-lutamyl transferase and lactate dehydrogenase activities but a decline in sorbitol dehydrogenase activities. Also, BPF caused a significant reduction in plasma gonadotropin-releasing hormone, luteinising hormone, follicle-stimulating hormone, and testosterone, which was associated with the downregulation of testicular 3beta-hydroxysteroid dehydrogenase and 17beta-hydroxysteroid dehydrogenase activities. Furthermore, BPF induced testicular inflammation, redox imbalance, and apoptosis, accompanied by distortion in p53/BCl-2 signaling and overexpression of Erβ. Again, the observed toxic effects of BPF were dose-dependent and not completely reversed by BPF cessation. Discussion Bisphenol F induced gonadotoxicity by distorting p53/BCl2 signaling and the expression of Erβ. These observed alterations were not completely reversed after the cessation of BPF exposure.
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Affiliation(s)
- Adeyemi Fatai Odetayo
- Physiology Department, University of Ilorin, Ilorin, Nigeria
- Physiology Department, Federal University of Health Sciences, Ila Orangun, Nigeria
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24
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Nijakowski K, Jankowski J, Gruszczyński D, Surdacka A. Salivary Alterations of Myeloperoxidase in Patients with Systemic Diseases: A Systematic Review. Int J Mol Sci 2023; 24:12078. [PMID: 37569455 PMCID: PMC10418962 DOI: 10.3390/ijms241512078] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/22/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Salivary myeloperoxidase (MPO) is a key mediator of the oral immune system, acting as an enzyme that utilises H2O2 to generate molecules with high bactericidal activity. While MPO determination in plasma is quite common, the use of saliva is still rare. Our systematic review was designed to answer the question "Are salivary levels of myeloperoxidase altered in patients with systemic diseases?". Following the inclusion and exclusion criteria, we included twenty-six studies. Altered MPO levels in saliva were most commonly found in patients with cardiovascular and gastrointestinal diseases. Most studies concerned unstimulated whole saliva, and only a few of them stimulated, mainly by chewing paraffin. Enzyme-linked immunosorbent assay (ELISA) was the most common method for determination of MPO concentrations in saliva. Increased salivary MPO levels were more often observed for inflammatory diseases, except patients with inflammatory bowel diseases who were eligible for biologic therapy. In conclusion, MPO could be altered in the saliva of patients with systematic diseases, especially cardiovascular or gastrointestinal diseases. However, further investigations are recommended to validate these outcomes.
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Affiliation(s)
- Kacper Nijakowski
- Department of Conservative Dentistry and Endodontics, Poznan University of Medical Sciences, 60-812 Poznan, Poland;
| | - Jakub Jankowski
- Student’s Scientific Group in Department of Conservative Dentistry and Endodontics, Poznan University of Medical Sciences, 60-812 Poznan, Poland; (J.J.); (D.G.)
| | - Dawid Gruszczyński
- Student’s Scientific Group in Department of Conservative Dentistry and Endodontics, Poznan University of Medical Sciences, 60-812 Poznan, Poland; (J.J.); (D.G.)
| | - Anna Surdacka
- Department of Conservative Dentistry and Endodontics, Poznan University of Medical Sciences, 60-812 Poznan, Poland;
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25
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Xu S, Chuang CY, Hawkins CL, Hägglund P, Davies MJ. Identification and quantification of protein nitration sites in human coronary artery smooth muscle cells in the absence and presence of peroxynitrous acid/peroxynitrite. Redox Biol 2023; 64:102799. [PMID: 37413764 PMCID: PMC10363479 DOI: 10.1016/j.redox.2023.102799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/11/2023] [Accepted: 06/24/2023] [Indexed: 07/08/2023] Open
Abstract
Peroxynitrous acid/peroxynitrite (ONOOH/ONOO-) is a powerful oxidizing/nitrating system formed at sites of inflammation, which can modify biological targets, and particularly proteins. Here, we show that multiple proteins from primary human coronary artery smooth muscle cells are nitrated, with LC-MS peptide mass mapping providing data on the sites and extents of changes on cellular and extracellular matrix (ECM) proteins. Evidence is presented for selective and specific nitrations at Tyr and Trp on 11 cellular proteins (out of 3668, including 205 ECM species) in the absence of added reagent ONOOH/ONOO-, with this being consistent with low-level endogenous nitration. A number of these have key roles in cell signaling/sensing and protein turnover. With added ONOOH/ONOO-, more proteins were modified (84 total; with 129 nitrated Tyr and 23 nitrated Trp, with multiple modifications on some proteins), with this occurring at the same and additional sites to endogenous modification. With low concentrations of ONOOH/ONOO- (50 μM) nitration occurs on specific proteins at particular sites, and is not driven by protein or Tyr/Trp abundance, with modifications detected on some low abundance proteins. However, with higher ONOOH/ONOO- concentrations (500 μM), modification is primarily driven by protein abundance. ECM species are major targets and over-represented in the pool of modified proteins, with fibronectin and thrombospondin-1 being particularly heavily modified (12 sites in each case). Both endogenous and exogenous nitration of cell- and ECM-derived species may have significant effects on cell and protein function, and potentially be involved in the development and exacerbation of diseases such as atherosclerosis.
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Affiliation(s)
- Shuqi Xu
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Christine Y Chuang
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Clare L Hawkins
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Per Hägglund
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark.
| | - Michael J Davies
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark.
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Özkan E, Celik Y, Yucel-Lindberg T, Peker Y. Current Smoking Determines the Levels of Circulating MPO and MMP-9 in Adults with Coronary Artery Disease and Obstructive Sleep Apnea. J Clin Med 2023; 12:4053. [PMID: 37373746 DOI: 10.3390/jcm12124053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/08/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
(1) Background: Obstructive sleep apnea (OSA) is common in patients with coronary artery disease (CAD), in which a rupture of atherosclerotic plaques and oxidative stress play a role in the initiation and progression of the disorder. Circulating levels of myeloperoxidase (MPO), as an oxidative stress marker, as well as matrix metalloproteinase-9 (MMP-9), as a destabilizer of plaques, are known to be elevated in patients with CAD and are associated with worse prognosis. Some studies have suggested that OSA is associated with MPO and MMP-9, but the effect of OSA on these biomarkers in cardiac cohorts is unknown. (2) Aims: We addressed the determinants of high MPO and MMP-9 in a CAD cohort with concomitant OSA. (3) Materials and Methods: The current study was a secondary analysis of the RICCADSA trial that was conducted in Sweden between 2005 and 2013. A total of 502 revascularized CAD patients with OSA (apnea-hypopnea index [AHI] ≥ 15 events/h; n = 391) or no-OSA (AHI < 5 events/h; n = 101), based on a home sleep apnea test, and who had blood samples at baseline were included in the analysis. The patients were dichotomized into a high or low MPO and MMP-9 groups, based on the median cut-off values. (4) Results: The mean age of the participants was 63.9 (±8.6), and 84% of the study cohort were men. Median values of MPO and MMP-9 levels were 116 ng/mL and 269 ng/mL, respectively. In different multivariate linear and logistic regression models, neither OSA nor OSA severity in terms of AHI and oxygenation indices were associated with the high MPO and MMP-9 levels. Current smoking was significantly associated with both high MPO (odds ratio [OR] 1.73, 95% confidence interval [CI] 1.06-2.84; p = 0.030) and high MMP-9 levels (OR 2.41, 95% CI 1.44-4.03; p < 0.001), respectively. Other significant determinants were revealed as beta blocker use (OR 1.81, 95% CI 1.04-3.16; p = 0.036) for high MPO as well as male sex (OR 2.07, 95% CI 1.23-3.50; p = 0.006) and calcium antagonist use (OR 1.91, 95% CI 1.18-3.09; p = 0.008) for high MMP-9 levels. (5) Conclusions: Current smoking, but not OSA, was significantly associated with high MPO and MMP-9 levels in this revascularized CAD cohort. Smoking status should be seriously taken into consideration while evaluating the effects of OSA and its treatment on long-term adverse cardiovascular outcomes in adults with CAD.
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Affiliation(s)
- Esra Özkan
- Graduate School of Health Sciences, Koc University, Istanbul 34450, Turkey
- Research Center for Translational Medicine [KUTTAM], School of Medicine, Koc University, Istanbul 34450, Turkey
| | - Yeliz Celik
- Graduate School of Health Sciences, Koc University, Istanbul 34450, Turkey
- Research Center for Translational Medicine [KUTTAM], School of Medicine, Koc University, Istanbul 34450, Turkey
- Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Tülay Yucel-Lindberg
- Division of Pediatric Dentistry, Department of Dental Medicine, Karolinska Institute, 141 86 Huddinge, Sweden
| | - Yüksel Peker
- Research Center for Translational Medicine [KUTTAM], School of Medicine, Koc University, Istanbul 34450, Turkey
- Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, 405 30 Göteborg, Sweden
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
- Division of Pulmonary, Allergy, and Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
- Department of Clinical Sciences, Respiratory Medicine and Allergology, Faculty of Medicine, Lund University, 220 02 Lund, Sweden
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Kawakami R, Finn AV, Virmani R. Can Myeloperoxidase Identify High-Risk Plaques and Subjects Harboring Them? JACC. ADVANCES 2023; 2:100313. [PMID: 38939582 PMCID: PMC11198369 DOI: 10.1016/j.jacadv.2023.100313] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Affiliation(s)
- Rika Kawakami
- Department of Cardiovascular Pathology, CVPath Institute, Gaithersburg, Maryland, USA
| | - Aloke V. Finn
- Department of Cardiovascular Pathology, CVPath Institute, Gaithersburg, Maryland, USA
- School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Renu Virmani
- Department of Cardiovascular Pathology, CVPath Institute, Gaithersburg, Maryland, USA
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Basheer F, Sertori R, Liongue C, Ward AC. Zebrafish: A Relevant Genetic Model for Human Primary Immunodeficiency (PID) Disorders? Int J Mol Sci 2023; 24:ijms24076468. [PMID: 37047441 PMCID: PMC10095346 DOI: 10.3390/ijms24076468] [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: 03/06/2023] [Revised: 03/28/2023] [Accepted: 03/28/2023] [Indexed: 04/14/2023] Open
Abstract
Primary immunodeficiency (PID) disorders, also commonly referred to as inborn errors of immunity, are a heterogenous group of human genetic diseases characterized by defects in immune cell development and/or function. Since these disorders are generally uncommon and occur on a variable background profile of potential genetic and environmental modifiers, animal models are critical to provide mechanistic insights as well as to create platforms to underpin therapeutic development. This review aims to review the relevance of zebrafish as an alternative genetic model for PIDs. It provides an overview of the conservation of the zebrafish immune system and details specific examples of zebrafish models for a multitude of specific human PIDs across a range of distinct categories, including severe combined immunodeficiency (SCID), combined immunodeficiency (CID), multi-system immunodeficiency, autoinflammatory disorders, neutropenia and defects in leucocyte mobility and respiratory burst. It also describes some of the diverse applications of these models, particularly in the fields of microbiology, immunology, regenerative biology and oncology.
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Affiliation(s)
- Faiza Basheer
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
- Institute for Mental and Physical Health and Clinical Translation (IMPACT), Deakin University, Geelong, VIC 3216, Australia
| | - Robert Sertori
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
| | - Clifford Liongue
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
- Institute for Mental and Physical Health and Clinical Translation (IMPACT), Deakin University, Geelong, VIC 3216, Australia
| | - Alister C Ward
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
- Institute for Mental and Physical Health and Clinical Translation (IMPACT), Deakin University, Geelong, VIC 3216, Australia
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29
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Guan B, Zhang Z, Cao X, Yang M, Chai Y, Amantai X, Luo X, Feng D, Liu Y, Yue X, Liu X. Characterization and comparison site-specific N-glycosylation profiling of milk fat globule membrane proteome in donkey and human colostrum and mature milk. Food Chem 2023; 419:136081. [PMID: 37037133 DOI: 10.1016/j.foodchem.2023.136081] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/12/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Abstract
Milk fat globule membrane (MFGM) proteins are highly glycosylated and involved in various biological processes within the body. However, information on site-specific N-glycosylation of MFGM glycoproteins in donkey and human milk remains limited. This study aimed to map the most comprehensive site-specific N-glycosylation fingerprinting of donkey and human MFGM glycoproteins using a site-specific glycoproteomics strategy. We identified 1,360, 457, 2,617, and 986 site-specific N-glycans from 296, 77, 214, and 196 N-glycoproteins in donkey colostrum (DC), donkey mature milk (DM), human colostrum (HC), and human mature milk (HM), respectively. Bioinformatics was used to describe the structure-activity relationships of DC, DM, HC, and HM MFGM N-glycoproteins. The results revealed differences in the molecular composition of donkey and human MFGM N-glycoproteins and the dynamic changes to site-specific N-glycosylation of donkey and human MFGM glycoproteins during lactation, deepening our understanding of the composition of donkey and human MFGM N-glycoproteins and their potential physiological roles.
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Affiliation(s)
- Boyuan Guan
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Zhenghan Zhang
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Xueyan Cao
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Mei Yang
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Yuxia Chai
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Xiakouna Amantai
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Xue Luo
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Daguang Feng
- College of Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Yiming Liu
- Foreign Language Teaching Department, Shenyang Agricultural University, Shenyang 11086, China
| | - Xiqing Yue
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China.
| | - Xiaoyu Liu
- Department of Obstetrics and Gynaecology, General Hospital of Northern Theater Command, Shenyang 110003, China.
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30
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Huang J, Zhang X, Li S, Qu F, Huang B, Cui R, Liu Y, Hu W, Yang X, Zhang Y. Activatable Lanthanide Nanoprobes with Dye-Sensitized Second Near-Infrared Luminescence for in Vivo Inflammation Imaging. Anal Chem 2023; 95:3761-3768. [PMID: 36757879 DOI: 10.1021/acs.analchem.2c04873] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Lanthanide nanoparticles exhibit unique photophysical properties and thus emerge as promising second near-infrared (NIR-II) optical agents. However, the limited luminescence brightness hampers their construction of activatable NIR-II probes. Herein, we report the synthesis of dye-sensitized lanthanide nanoprobes (NaGdF4:Nd/ICG; indocyanine green (ICG)) and their further development for in vivo activatable imaging of hypochlorite (ClO-). Dye sensitization using ICG not only shifts the optimal doping concentration of Nd3+ from 5 to 20 mol % but also leads to a 5-fold NIR-II enhancement relative to the ICG-free counterpart. Mechanistic studies reveal that such a luminescence enhancement of NaGdF4:Nd at high Nd3+ concentration is ascribed to an alleviated cross-relaxation effect due to the broad absorption of ICG and faster energy transfer process. Taking advantage of dye oxidation, the nanoprobes enable activatable NIR-II imaging of hypochlorous acid (ClO-) in a drug-induced lymphatic inflammation mouse model. This work thus provides a simple, yet effective luminescence enhancement strategy for constructing lanthanide nanoprobes at higher activator doping concentration toward activatable NIR-II molecular imaging.
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Affiliation(s)
- Jinzhao Huang
- National Engineering Research Centre for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China
| | - Xuefei Zhang
- National Engineering Research Centre for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China
| | - Shiyu Li
- National Engineering Research Centre for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China
| | - Fei Qu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medical, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China
| | - Biao Huang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Ran Cui
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Yijing Liu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medical, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China
| | - Wenbo Hu
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Xiangliang Yang
- National Engineering Research Centre for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China.,Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medical, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China
| | - Yan Zhang
- National Engineering Research Centre for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China.,Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medical, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, P. R. China
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31
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Biomarkers in Urolithiasis. Urol Clin North Am 2023; 50:19-29. [DOI: 10.1016/j.ucl.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Bearoff F, Dhavale D, Kotzbauer P, Kortagere S. Aggregated alpha-synuclein transcriptionally activates pro-inflammatory canonical and non-canonical NF-κB signaling pathways in peripheral monocytic cells. Mol Immunol 2023; 154:1-10. [PMID: 36571978 PMCID: PMC9905308 DOI: 10.1016/j.molimm.2022.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/01/2022] [Accepted: 12/13/2022] [Indexed: 12/26/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by chronic neuroinflammation, loss of dopaminergic neurons in the substantia nigra, and in several cases accumulation of alpha-synuclein fibril (α-syn) containing Lewy-bodies (LBs). Peripheral inflammation may play a causal role in inducing and perpetuating neuroinflammation in PD and accumulation of fibrillar α-syn has been reported at several peripheral sites including the gut and liver. Peripheral fibrillar α-syn may induce activation of monocytes via recognition by toll-like receptors (TLRs) and stimulation of downstream NF-κB signaling; however, the specific mechanism by which this occurs is not defined. In this study we utilized the THP-1 monocytic cell line to model the peripheral transcriptional response to preformed fibrillar (PFF) α-syn. Compared to monomeric α-syn, PFF α-syn displays overt inflammatory gene upregulation and pathway activation including broad pan-TLR signaling pathway activation and increases in TNF and IL1B gene expression. Notably, the non-canonical NF-κB signaling pathway gene and PD genome wide association study (GWAS) candidate NFKB2 was upregulated. Additionally, non-canonical NF-κB activation-associated RANK and CD40 pathways were also upregulated. Transcriptional-phenotype analysis suggests PFFs induce transcriptional programs associated with differentiation of monocytes towards macrophages and osteoclasts via non-canonical NF-κB signaling as a potential mechanism in which myeloid/monocyte cells may contribute to peripheral inflammation and pathogenesis in PD.
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Affiliation(s)
- Frank Bearoff
- Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA 19129, United States
| | - Dhruva Dhavale
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, United States
| | - Paul Kotzbauer
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, United States
| | - Sandhya Kortagere
- Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA 19129, United States.
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33
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Zhang G, Zhang J, Yan S, Hao M, Fei C, Ji D, Mao C, Tong H, Lu T, Su L. Study on the plasma metabolomics of Schisandra chinensis polysaccharide against ulcerative colitis and its correlation with gut microbes metabolism. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2023. [DOI: 10.1016/j.cjac.2023.100244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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34
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Fu T, Fan Z, Li Y, Li Z, Du B, Liu S, Cui X, Zhang R, Zhao H, Feng Y, Xue G, Cui J, Yan C, Gan L, Feng J, Xu Z, Yu Z, Tian Z, Ding Z, Chen J, Chen Y, Yuan J. ArcR contributes to tolerance to fluoroquinolone antibiotics by regulating katA in Staphylococcus aureus. Front Microbiol 2023; 14:1106340. [PMID: 36910210 PMCID: PMC9998937 DOI: 10.3389/fmicb.2023.1106340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/04/2023] [Indexed: 02/26/2023] Open
Abstract
Staphylococcus aureus is an opportunistic pathogen that shows a unique ability to quickly respond to a variety of antibiotics. The Crp/Fnr family transcriptional regulator ArcR controls expression of arginine deiminase pathway genes arcABDC, which enable the utilization of arginine as an energy source for cell growth under anaerobic conditions. However, ArcR shares low overall similarity with other Crp/Fnr family proteins, suggesting that they differ in the response to environmental stress. In this study, MIC and survival assays were performed to determine the role of ArcR in antibiotic resistance and tolerance. The results showed that deletion of arcR reduced tolerance of S.aureus to fluoroquinolone antibiotics, mainly through a defect in the response to oxidative stress. In ΔarcR mutant, the expression of the major catalase gene katA was downregulated, and katA overexpression restored bacterial resistance to oxidative stress and antibiotics. We showed that ArcR directly regulated katA transcription by binding to the promoter region of katA. Therefore, our results revealed the contribution of ArcR in bacterial tolerance to oxidative stress and subsequently to fluoroquinolones antibiotics. This study added our understanding on the role of Crp/Fnr family in bacterial susceptibility to antibiotics.
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Affiliation(s)
- Tongtong Fu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Zheng Fan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Yujie Li
- Department of Life Science and Medicine, University of Science and Technology of China, Hefei, China
| | - Zhoufei Li
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Bing Du
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Shiyu Liu
- Military Supplies and Energy Quality Supervision Station of NV, PLA, Beijing, China
| | - Xiaohu Cui
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Rui Zhang
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Hanqing Zhao
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Yanling Feng
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Guanhua Xue
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Jinghua Cui
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Chao Yan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Lin Gan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Junxia Feng
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Ziying Xu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Zihui Yu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Ziyan Tian
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Zanbo Ding
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Jinfeng Chen
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Yujie Chen
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Jing Yuan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
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35
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Elmas MA, Ozakpinar OB, Kolgazi M, Sener G, Arbak S, Ercan F. Exercise improves testicular morphology and oxidative stress parameters in rats with testicular damage induced by a high-fat diet. Andrologia 2022; 54:e14600. [PMID: 36146902 DOI: 10.1111/and.14600] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 09/01/2022] [Accepted: 09/07/2022] [Indexed: 11/27/2022] Open
Abstract
Obesity and male infertility are problems that affect population. Exercise is a nonpharmacological way to reduce the negative health effects of obesity. The purpose of this study was to examine the effects of exercise on hormone levels, blood-testis barrier, and inflammatory and oxidative biomarkers in rats that became obese due to a high-fat diet (HFD). Male rats received a standard diet (STD group) or a HFD (HFD group) for 18 weeks. During the final 6 weeks of the experiment, swimming exercises (1 h/5 days/week) were given to half of these animals (STD + EXC and HFD + EXC groups). Finally, blood and testicular tissues were analysed by biochemical and histological methods. Body weight, leptin, malondialdehyde, interleukin-6, TNF-alpha and myeloperoxidase levels, apoptotic cells and DNA fragmentation were increased, and testis weight, insulin, FSH, LH, testosterone, glutathione and superoxide dysmutase levels, proliferative cells, ZO-1, occludin, and gap junction protein Cx43 immunoreactivity were decreased in the HFD group. All these hormonal, morphological, oxidative and inflammatory biomarkers were enhanced in the HFD + EXC group. It is thought that exercise protected testicular cytotoxicity by regulating hormonal and oxidant/antioxidant balances and testicular function, inhibiting inflammation and apoptosis, as well as preserving blood-testis barrier.
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Affiliation(s)
- Merve Acikel Elmas
- Department of Histology and Embryology, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | | | - Meltem Kolgazi
- Department of Physiology, Acibadem University School of Medicine, Istanbul, Turkey
| | - Goksel Sener
- Fenerbahçe University, Vocational School of Health Service, Istanbul, Turkey
| | - Serap Arbak
- Department of Histology and Embryology, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Feriha Ercan
- Department of Histology and Embryology, Marmara University School of Medicine, Istanbul, Turkey
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36
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Cocci P, Gabrielli S, Pastore G, Minicucci M, Mosconi G, Palermo FA. Microplastics accumulation in gastrointestinal tracts of Mullus barbatus and Merluccius merluccius is associated with increased cytokine production and signaling. CHEMOSPHERE 2022; 307:135813. [PMID: 35931257 DOI: 10.1016/j.chemosphere.2022.135813] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
There is clear evidence that different marine species can be impacted by microplastic (MP) ingestion accumulating such MPs mainly in the gastrointestinal tract. However, there is still limited knowledge on the consequences of MPs' accumulation in the gut. The present study aims to assess MPs and their potential immunotoxic effects in the digestive tract of two species showing different ecological traits: the red mullet (Mullus barbatus) and the European hake (Merluccius merluccius). Infrared spectroscopy (FTIR-ATR), micro-Raman and electron scanning microscope (SEM) were used to accurately identify the main plastic polymers detected in gut contents. In addition, we investigated the association between MP uptake and intestinal inflammation by evaluating expression and secretion of proinflammatory cytokines. MP abundance ranged from 1 to 20 items/individual in red mullet and from 2 to 15 items/individual in European hake. The majority of ingested MPs were fibers, while the dominant colors were black and blue in both species. Chemical characterization indicated polyethylene and polypropylene as the most common polymer types. Moreover, it was observed that MP abundance was highly positive correlated to cytokines (i.e. interleukin-1β, 10, and interferon) and antioxidant enzyme (i.e. catalase and superoxide dismutase) transcript levels suggesting ROS generation and an infiltration of immune cells in the gut. Our findings provide evidence that the induction of cytokine-dependent signaling pathways is one aspect of the complex mechanism by which MPs affect the gut system in fish.
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Affiliation(s)
- Paolo Cocci
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile III da Varano, 62032, Camerino, MC, Italy.
| | - Serena Gabrielli
- Chemistry Interdisciplinary Project (ChIP), School of Science and Technology, University of Camerino, Via Madonna Delle Carceri, 62032, Camerino, MC, Italy
| | - Genny Pastore
- Chemistry Interdisciplinary Project (ChIP), School of Science and Technology, University of Camerino, Via Madonna Delle Carceri, 62032, Camerino, MC, Italy
| | - Marco Minicucci
- Physics Division, School of Science and Technology, University of Camerino, Via Madonna Delle Carceri, 62032, Camerino, MC, Italy
| | - Gilberto Mosconi
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile III da Varano, 62032, Camerino, MC, Italy
| | - Francesco Alessandro Palermo
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile III da Varano, 62032, Camerino, MC, Italy.
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Yin J, Ju Y, Qian H, Wang J, Miao X, Zhu Y, Zhou L, Ye L. Nanoplastics and Microplastics May Be Damaging Our Livers. TOXICS 2022; 10:toxics10100586. [PMID: 36287866 PMCID: PMC9610555 DOI: 10.3390/toxics10100586] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/29/2022] [Accepted: 09/29/2022] [Indexed: 06/01/2023]
Abstract
Plastics in the environment can be degraded and even broken into pieces under the action of natural factors, and the degraded products with a particle size of less than 5 mm are called microplastics (MPs). MPs exist in a variety of environmental media that come into contact with the human body. It can enter the body through environmental media and food chains. At present, there are many studies investigating the damage of MPs to marine organisms and mammals. The liver is the largest metabolizing organ and plays an important role in the metabolism of MPs in the body. However, there is no available systematic review on the toxic effects of MPs on the liver. This paper summarizes the adverse effects and mechanisms of MPs on the liver, by searching the literature and highlighting the studies that have been published to date, and provides a scenario for the liver toxicity caused by MPs.
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Affiliation(s)
- Jianli Yin
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China
| | - Ye Ju
- School of Public Health, Jilin University, Changchun 130021, China
| | - Honghao Qian
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China
| | - Jia Wang
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China
| | - Xiaohan Miao
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China
| | - Ying Zhu
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China
| | - Liting Zhou
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China
| | - Lin Ye
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China
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Simamora A, Timotius KH, Yerer MB, Setiawan H, Mun'im A. Xanthorrhizol, a potential anticancer agent, from Curcuma xanthorrhiza Roxb. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 105:154359. [PMID: 35933899 DOI: 10.1016/j.phymed.2022.154359] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 07/19/2022] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Xanthorrhizol (XTZ), a bisabolene sesquiterpenoid, is abundantly found in the plant Curcuma xanthorrhiza Roxb. Traditionally, C. xanthorrhiza is widely used for the treatment of different health conditions, including common fever, infection, lack of appetite, fatigue, liver complaints, and gastrointestinal disorders. XTZ exhibits wide-ranging pharmacological activities, including anticancer, antioxidative, anti-inflammatory, antimicrobial, and antidiabetic activities, in addition to a protective effect on multiple organs. The present review provides detailed findings on the anticancer activities of XTZ and the underlying cellular and molecular mechanisms. METHODS Literature was searched systematically in main databases following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, with keywords "tumor AND xanthorrhizol" or "cancer AND xanthorrhizol". RESULTS Studies show that XTZ has preventive and therapeutic activities against different types of cancer, including breast, cervical, colon, liver, lung, oral and esophageal, and skin cancers. XTZ regulates multiple signaling pathways that block carcinogenesis and proliferation. In vitro and in vivo studies showed that XTZ targets different kinases, inflammatory cytokines, apoptosis proteins, and transcription factors, leading to the suppression of angiogenesis, metastasis, and the activation of apoptosis and cell cycle arrest. CONCLUSION The potential anticancer benefits of XTZ recommend further in vivo studies against different types of cancer. Further, XTZ needs to be confirmed for its toxicity, bioavailability, protective, antifatigue, and energy booster activities. Future studies for the therapeutic development of XTZ may be directed to cancer-related fatigue.
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Affiliation(s)
- Adelina Simamora
- Graduate Program of Pharmaceutical Sciences, Faculty of Pharmacy, Universitas Indonesia, Depok 16424, Indonesia; Department of Biochemistry, Faculty of Medicine and Health Sciences, Krida Wacana Christian University, Jakarta 11510, Indonesia; National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, West Java 16424, Indonesia; Centre for Enzyme Research in Health and Diseases, Krida Wacana Christian University, Jakarta 11510, Indonesia
| | - Kris Herawan Timotius
- Department of Biochemistry, Faculty of Medicine and Health Sciences, Krida Wacana Christian University, Jakarta 11510, Indonesia; Centre for Enzyme Research in Health and Diseases, Krida Wacana Christian University, Jakarta 11510, Indonesia
| | - Mukerrem Betul Yerer
- Department of Pharmacology, Faculty of Pharmacy, University of Erciyes, Kayseri 38039, Turkey
| | - Heri Setiawan
- National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, West Java 16424, Indonesia; Department of Pharmacology, Faculty of Pharmacy, Universitas Indonesia, Depok 16424, Indonesia
| | - Abdul Mun'im
- National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, West Java 16424, Indonesia; Department of Pharmacognosy-Phytochemistry, Faculty of Pharmacy, Universitas Indonesia, Depok 16424, Indonesia.
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Qiao Q, Liu X, Cui K, Li X, Tian T, Yu Y, Niu B, Kong L, Yang C, Zhang Z. Hybrid Biomimetic Nanovesicles to Drive High Lung Biodistribution and Prevent Cytokine Storm for ARDS Treatment. ACS NANO 2022; 16:15124-15140. [PMID: 36037505 DOI: 10.1021/acsnano.2c06357] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Acute respiratory distress syndrome (ARDS) has been a life threat for patients in ICUs. Vast efforts have been devoted, while no medication has proved viable, which may be ascribed to inadequate drug delivery to damaged tissues and insufficient control of lung inflammation. Given the anti-inflammatory role of M2-type macrophages, M2 macrophage-derived nanovesicles and lung-targeting liposomes are cofused to fabricate hybrid liposomes-nanovesicles (LNVs). Benefiting from the incorporated lung-homing moiety, LNVs demonstrate high pulmonary accumulation with a lung/liver ratio of 14.9, which is approximately 53.3-fold of free nanovesicles. Thus, M2 macrophage-derived nanovesicles can be delivered to lung tissues for executing immunoregulatory functions. LNVs display phagocytosis by the infiltrated neutrophils and macrophages, exhibiting sustained release of preloaded IKK-2 inhibitor (TPCA-1). The integrated nanosystems demonstrate multidimensional suppression of the overwhelming inflammation, such as decreasing infiltration of inflammatory cells, achieving restraint on cytokine storms and alleviating oxidative stress. Therefore, the improved therapeutic outcome in ARDS mice is obtained. Altogether, the hybrid nanoplatform provides a versatile drug delivery paradigm for integrating biological nanovesicles and therapeutic molecules by cofusion of nanovesicles with liposomes, improving lung biodistribution and accomplishing a boosted anti-inflammatory response for ARDS therapy.
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Affiliation(s)
- Qi Qiao
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiong Liu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Kexin Cui
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiaonan Li
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Tianyi Tian
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yulin Yu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Boning Niu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Li Kong
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Conglian Yang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhiping Zhang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
- National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Engineering Research Centre for Novel Drug Delivery System, Huazhong University of Science and Technology, Wuhan 430030, China
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Leitgeb U, Furtmüller PG, Hofbauer S, Brito JA, Obinger C, Pfanzagl V. The staphylococcal inhibitory protein SPIN binds to human myeloperoxidase with picomolar affinity but only dampens halide oxidation. J Biol Chem 2022; 298:102514. [PMID: 36150500 DOI: 10.1016/j.jbc.2022.102514] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/15/2022] [Accepted: 09/17/2022] [Indexed: 10/31/2022] Open
Abstract
The heme enzyme myeloperoxidase (MPO) is one of the key players in the neutrophil-mediated killing of invading pathogens as part of the innate immune system. MPO generates antimicrobial oxidants which indiscriminately and effectively kill phagocytosed pathogens. Staphylococcus aureus however is able to escape this fate, in part by secreting a small protein called SPIN (Staphylococcal Peroxidase Inhibitor), which specifically targets and inhibits MPO in a structurally complex manner. Here we present the first crystal structures of the complex of SPIN-aureus and a truncated version (SPIN-truncated) with mature dimeric leukocyte MPO. We unravel the contributions of the two domains to the kinetics and thermodynamics of SPIN-aureus binding to MPO by using a broad array of complementary biochemical and biophysical methods. The C-terminal "recognition" domain is shown to mediate specific binding to MPO, while interaction of the N-terminal "inhibitory" domain is guided mainly by hydrophobic effects and thus is less sequence-dependent. We found that inhibition of MPO is achieved by reducing substrate migration, but SPIN-aureus cannot completely block MPO activity. Its' effectiveness is inversely related to substrate size, with no discernible dependence on other factors. Thus, SPIN-aureus is an extremely high-affinity inhibitor and highly efficient for substrates larger than halogens. As aberrant MPO activity is implicated in a number of chronic inflammatory diseases, SPIN-aureus is the first promising protein inhibitor for specific inhibition of human MPO.
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Affiliation(s)
- Urban Leitgeb
- University of Natural Resources and Life Sciences, Vienna, Department of Chemistry, Institute of Biochemistry, Muthgasse 18, 1190 Vienna, Austria
| | - Paul G Furtmüller
- University of Natural Resources and Life Sciences, Vienna, Department of Chemistry, Institute of Biochemistry, Muthgasse 18, 1190 Vienna, Austria
| | - Stefan Hofbauer
- University of Natural Resources and Life Sciences, Vienna, Department of Chemistry, Institute of Biochemistry, Muthgasse 18, 1190 Vienna, Austria
| | - Jose A Brito
- Universidade Nova de Lisboa, Instituto de Tecnologia Química e Biológica António Xavier, 2780-157 Oeiras, Portugal
| | - Christian Obinger
- University of Natural Resources and Life Sciences, Vienna, Department of Chemistry, Institute of Biochemistry, Muthgasse 18, 1190 Vienna, Austria
| | - Vera Pfanzagl
- University of Natural Resources and Life Sciences, Vienna, Department of Chemistry, Institute of Biochemistry, Muthgasse 18, 1190 Vienna, Austria
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Potential effect of novel thiadiazole derivatives against radiation induced inflammation with low cardiovascular risk in rats. Med Chem Res 2022. [DOI: 10.1007/s00044-022-02948-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
AbstractThe aim of the present study is to explore new selective anti-inflammatory compounds with low cardiovascular risk. Twelve thiadiazole derivatives incorporating different amino acid moieties were newly synthesized (4–15) as potential anti-inflammatory agents with low cardiovascular risks through dual COX-2/MPO inhibition. Compounds were initially screened for their anti-inflammatory effect by assay of COX-2, the most potent (4–6, 8) were further tested for COX-1 inhibition, myeloperoxidase MPO activity as well as total nitric oxide content NO in heart of irradiated rats. Cardiac toxicity potential was evaluated by assay of creatine kinase-MB (CK-MB), troponin-I (Tn-I) and lactate dehydrogenase (LDH). Celcoxcib was used as reference drug. S-(5-((4-Methoxybenzylidene)amino)-2,3-dihydro-1,3,4-thiadiazol-2-yl)2-amino propanethioate (5) was the most potent anti-inflammatory with the least cardiotoxicity effect. It exhibited IC50 0.09 µM on COX-2 inhibition with very low activity on COX-1. Troponin I was elevated by 11% using compound 5 in non-irradiated rats. Moreover, compound (5) showed 73% reduction in MPO level. Results were supported by molecular docking into the active sites of COX-2 and MPO enzymes to have more insights about the possible dual inhibition of compound 5 of both enzymes.
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Xu S, Chuang CY, Malle E, Gamon LF, Hawkins CL, Davies MJ. Influence of plasma halide, pseudohalide and nitrite ions on myeloperoxidase-mediated protein and extracellular matrix damage. Free Radic Biol Med 2022; 188:162-174. [PMID: 35718304 DOI: 10.1016/j.freeradbiomed.2022.06.222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 06/11/2022] [Indexed: 01/15/2023]
Abstract
Myeloperoxidase (MPO) mediates pathogen destruction by generating the bactericidal oxidant hypochlorous acid (HOCl). Formation of this oxidant is however associated with host tissue damage and disease. MPO also utilizes H2O2 to oxidize other substrates, and we hypothesized that mixtures of other plasma anions, including bromide (Br-), iodide (I-), thiocyanate (SCN-) and nitrite (NO2-), at normal or supplemented concentrations, might modulate MPO-mediated HOCl damage. For the (pseudo)halide anions, only SCN- significantly modulated HOCl formation (IC50 ∼33 μM), which is within the normal physiological range, as judged by damage to human plasma fibronectin or extracellular matrix preparations detected by ELISA and LC-MS. NO2- modulated HOCl-mediated damage, in a dose-dependent manner, at physiologically-attainable anion concentrations. However, this was accompanied by increased tyrosine and tryptophan nitration (detected by ELISA and LC-MS), and the overall extent of damage remained approximately constant. Increasing NO2- concentrations (0.5-20 μM) diminished HOCl-mediated modification of tyrosine and methionine, whereas tryptophan loss was enhanced. At higher NO2- concentrations, enhanced tyrosine and methionine loss was detected. These analytical data were confirmed in studies of cell adhesion and metabolic activity. Together, these data indicate that endogenous plasma levels of SCN- (but not Br- or I-) can modulate protein modification induced by MPO, including the extent of chlorination. In contrast, NO2- alters the type of modification, but does not markedly decrease its extent, with chlorination replaced by nitration. These data also indicate that MPO could be a major source of nitration in vivo, and particularly at inflammatory sites where NO2- levels are often elevated.
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Affiliation(s)
- Shuqi Xu
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Christine Y Chuang
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Ernst Malle
- Division of Molecular Biology and Biochemistry, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria
| | - Luke F Gamon
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Clare L Hawkins
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Michael J Davies
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark.
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Capó X, Alomar C, Compa M, Sole M, Sanahuja I, Soliz Rojas DL, González GP, Garcinuño Martínez RM, Deudero S. Quantification of differential tissue biomarker responses to microplastic ingestion and plasticizer bioaccumulation in aquaculture reared sea bream Sparus aurata. ENVIRONMENTAL RESEARCH 2022; 211:113063. [PMID: 35271834 DOI: 10.1016/j.envres.2022.113063] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 02/10/2022] [Accepted: 02/28/2022] [Indexed: 06/14/2023]
Abstract
Marine aquaculture is considered a potential source of microplastics (MPs). MPs can induce oxidative stress and damage in marine species. In this study we evaluated the impact of MPs intake in the commercial fish, Sparus aurata, from aquaculture facilities and the antioxidant response associated to this MPs ingestion in caged specimens for 120 days. Sampling was carried out at the beginning of the study (T0), at 60 days (T60) and at 120 days (T120). At each sampling stage, gastrointestinal tract, blood, plasma, liver and muscle samples were obtained to analyse MPs intake (gastrointestinal tract), oxidative stress markers (blood, plasma and liver) and plasticizers bioaccumulation (muscle). Fish sampled at T60 presented the highest MPs intake and plasticizers accumulated in muscle over time, but with a different pattern according to type: bisphenols and phthalates. This indicates MPs ingestion induces a differential tissue response in S. aurata. Similarly, stress biomarkers presented a differential response throughout the study, depending on the analysed tissue. In the case of oxidative damage markers, for malondialdehyde (MDA) an increase throughout the study was observed both in liver and blood cells but with a progressive decrease in plasma. In the case of phase I detoxifying enzyme activities in liver, 7-ethoxyresorufin O-deethylase (EROD), 7-benzyloxy-4-[trifluoromethyl]-coumarin-O-debenzyloxylase (BFCOD) and carboxylesterases (CE), showed a comparable decrease at T60 with a slight recovery at T120. In contrast, glutathione-S-transferase (GST) activity was significantly enhanced at T60 compared to the other sampling stages. In conclusion, MPs ingestion occurs in aquaculture reared seabream where potentially associated plasticizers accumulate in the muscle and both could be responsible for plasma and liver oxidative stress damage and alterations on detoxifying biomarkers responses.
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Affiliation(s)
- Xavier Capó
- Centro Oceanográfico de Baleares (IEO, CSIC), Muelle de Poniente s/n, 07015, Mallorca, Spain.
| | - Carme Alomar
- Centro Oceanográfico de Baleares (IEO, CSIC), Muelle de Poniente s/n, 07015, Mallorca, Spain
| | - Monserrat Compa
- Centro Oceanográfico de Baleares (IEO, CSIC), Muelle de Poniente s/n, 07015, Mallorca, Spain
| | - Montserrat Sole
- Institut de Ciències del Mar, ICM-CSIC, E-08003, Barcelona, Spain
| | - Ignasi Sanahuja
- Institut de Ciències del Mar, ICM-CSIC, E-08003, Barcelona, Spain
| | - Dulce Lucy Soliz Rojas
- Departamento de Ciencias Analíticas, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, Madrid, Spain
| | - Gema Paniagua González
- Departamento de Ciencias Analíticas, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, Madrid, Spain
| | - Rosa Maria Garcinuño Martínez
- Departamento de Ciencias Analíticas, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, Madrid, Spain
| | - Salud Deudero
- Centro Oceanográfico de Baleares (IEO, CSIC), Muelle de Poniente s/n, 07015, Mallorca, Spain
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The anti-inflamatory effect of Andira anthelmia lectin in rats involves inhibition of the prostanoid pathway, TNF-α and lectin domain. Mol Biol Rep 2022; 49:8847-8857. [PMID: 35882745 DOI: 10.1007/s11033-022-07735-0] [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: 07/20/2021] [Accepted: 06/22/2022] [Indexed: 10/16/2022]
Abstract
OBJECTIVE To investigate the effect and mechanisms of Andira anthelmia lectin in rat models of acute inflammation. MATERIAL AAL anti-inflammatory activity was evaluated in Wistar rat models of paw edema and peritonitis. METHODS AAL (0.01-1 mg/kg i.v.) was injected 30 min before stimulation with carrageenan and with initial and late phase inflammatory mediators into the animals paw or peritoneum for evaluation of cell migration (optical and intravital microscopy), paw edema (plethysmometry and histopathology); hyperalgesia (analgesimetry). RESULTS AAL inhibited leukocyte migration induced by carrageenan, mainly neutrophils to the peritoneal fluid, decreasing leukocyte adhesion. In the peritoneal fluid, AAL reduced the gene expression of TNF-α and cyclooxygenase, as well the levels of PGE2. AAL inhibited the paw edema induced by carrageenan, serotonin, histamine, TNF-α, PLA2 and PGE2, but not by L-arginine. In this model, AAL also inhibited mechanical hypernociception induced by TNF-α, PGE2, db-cAMP and capsaicin, and the activity of myeloperoxidase in the paw tissues. CONCLUSION AAL presents anti-inflammatory effect in acute models of rat inflammation involving the participation of prostaglandins, TNF-α and lectin domain.
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Yang X, Wang T, Žuvela P, Sun M, Xu C, Zheng H, Wang X, Jing L, Du K, Wang S, Wong MW, Huang D. Three-Dimensional Quantitative Structure and Activity Relationship of Flavones on Their Hypochlorite Scavenging Capacity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:8799-8807. [PMID: 35815596 DOI: 10.1021/acs.jafc.2c03860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Flavonoids, a class of polyphenolic substances widely present in the plant realm, are considered as ideal hypochlorite scavengers. However, to our knowledge, little study has focused on the structure-activity relationship between flavonoids and hypochlorite scavenging capacity. Herein, we report for the first time the three-dimensional quantitative structure and activity relationship (3D-QSAR) combined with comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA). Four models derived from CoMFA and CoMSIA with different combinations of descriptors were built and compared; the CoMFA model, which included both steric and electrostatic fields, showed great potential (R2 = 0.989; Q2 = 0.818) in predictive quality according to both internal and external validation criteria. Additionally, the average local ionization energy (ALIE), electrostatic potential (ESP), and orbital weighted dual descriptor (OWDD) were determined to identify the key structural moiety for scavenging capacity of flavonoids against hypochlorite. The computational results indicated that hypochlorous acid (HClO) serves as an electrophile undergoing electrophilic addition to the C6 carbon, which has the highest negative charge density, which are influenced by the functional groups on the flavones. The DFT calculated mechanism revealed the catalytic role of water of mono- and di-chlorination reactions, characterized by low activation barriers, and the involvement of neutral, instead of high-energy carbocation, intermediates.
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Affiliation(s)
- Xin Yang
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Republic of Singapore
| | - Tian Wang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore
| | - Petar Žuvela
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore
| | - Mingtai Sun
- School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000, People's Republic of China
| | - Chunyuhang Xu
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Republic of Singapore
| | - Hongling Zheng
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Republic of Singapore
| | - Xiang Wang
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Republic of Singapore
| | - Linzhi Jing
- National University of Singapore (Suzhou) Research Institute, 377 Linquan Street, Suzhou, Jiangsu 215123, People's Republic of China
| | - Ke Du
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Republic of Singapore
| | - Suhua Wang
- School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000, People's Republic of China
| | - Ming Wah Wong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore
| | - Dejian Huang
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Republic of Singapore
- National University of Singapore (Suzhou) Research Institute, 377 Linquan Street, Suzhou, Jiangsu 215123, People's Republic of China
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Lin Y, Liu H, Bu L, Chen C, Ye X. Review of the Effects and Mechanism of Curcumin in the Treatment of Inflammatory Bowel Disease. Front Pharmacol 2022; 13:908077. [PMID: 35795556 PMCID: PMC9250976 DOI: 10.3389/fphar.2022.908077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/02/2022] [Indexed: 11/27/2022] Open
Abstract
Curcumin is extracted from the rhizomes of Curcuma longa L. It is now widely used in food processing, cosmetics, dyes, etc. Current researching indicates that curcumin has high medical value, including anti-inflammatory, antioxidant, anti-tumor, anti-apoptotic, anti-fibrosis, immune regulation and other effects, and can be used to treat a variety of diseases. Inflammatory bowel disease (IBD) is a nonspecific inflammatory disease of the intestine including Crohn’s disease (CD) and ulcerative colitis (UC). The drug treatment effect is often limited and accompanied by side effects. A large number of basic and clinical studies have shown that curcumin has the effect of treating IBD and also can maintain the remission of IBD. In this review, the research of curcumin on IBD in recent years is summarized in order to provide reference for further research and application of curcumin.
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Combining the HSP90 inhibitor TAS-116 with metformin effectively degrades the NLRP3 and attenuates inflammasome activation in rats: A new management paradigm for ulcerative colitis. Biomed Pharmacother 2022; 153:113247. [PMID: 35724510 DOI: 10.1016/j.biopha.2022.113247] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/20/2022] [Accepted: 06/02/2022] [Indexed: 11/22/2022] Open
Abstract
Ulcerative colitis (UC) is a prevalent type of inflammatory bowel diseases that may predispose patients to acquire colitis-related cancer if treatment was not effective. Despite the presence of an array of established treatment options, current modalities are not successful for a substanial number of patients. The activation of the NLRP3 inflammasome is critical in the development of inflammatory processes in the colon. Additionally, the regulation of NLRP3 via HSP90 inhibition is a potential target to treat UC. Moreover, during inflammation, autophagy allows the turnover of malfunctioning proteins and therefore stands as a viable strategy for inactivating NLRP3 inflammasomes and halting hyperinflammation. Herein, we evaluated the effect of autophagy induction using metformin in the context of HSP90 inhibition by TAS-116 in the dextran sodium sulfate (DSS)-induced UC in rats. We revealed that TAS-116-induced interruption of the protein complex containing HSP90 and NLRP3 might hamper and delay the start of the inflammatory cascade ensued by the NLRP3 inflammasome oligomerization. In such circumstances, the unprotected NLRP3 is subjected to autophagic degradation in an environment of metformin-promoted autophagic signaling. As a result, such dynamic synergy was efficient in combating colon damage and immune-cell infiltration. This was confirmed by the macroscopic and microscopic investigations. Further, biochemical analysis revealed subdued inflammation cascade and oxidative injury. Therefore, simultaneous administration of TAS-116 and metformin is a new management paradigm aimed at inducing malfunction in the NLRP3 followed by augmenting its autophagic degradation, respectively. However, further studies should be conducted to assess the reliability and consistency of this novel approach.
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Singh P, Salman KA, Shameem M, Warsi MS. Withania somnifera (L.) Dunal as Add-On Therapy for COPD Patients: A Randomized, Placebo-Controlled, Double-Blind Study. Front Pharmacol 2022; 13:901710. [PMID: 35784687 PMCID: PMC9243480 DOI: 10.3389/fphar.2022.901710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/09/2022] [Indexed: 11/18/2022] Open
Abstract
Background: The current gold-standard therapies for chronic obstructive pulmonary disease (COPD) lack disease-modifying potential and exert adverse side effects. Moreover, COPD patients are at a higher risk of severe outcomes if they get infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus, the cause of the current epidemic. This is the first study to document clinical research on an adaptogenic and steroidal activity–containing herb as a complementary medicine for COPD treatment. Objective: We aimed to evaluate the efficacy of Withania somnifera (L.) Dunal [Solanaceae] (WS) as an add-on therapy for COPD patients. Methods: A randomized, placebo-controlled, and double-blind clinical study was conducted. A total of 150 patients were randomly assigned to three groups: control, placebo, and WS group. In addition to conventional medicines, WS root capsules or starch capsules were given twice a day to the WS group and the placebo group, respectively. Their lung functioning, quality of life, exercise tolerance, systemic oxidative stress (OS), and systemic inflammation were assessed before and after 12 weeks of intervention. WS root phytochemicals were identified by LC-ESI-MS. The inhibitory activity of these phytochemicals against angiotensin-converting enzyme 2 (ACE-2); the SARS-CoV-2 receptor; myeloperoxidase (MPO); and interleukin-6 (IL-6) was evaluated by in silico docking to investigate the mechanism of action of WS. Results: The pulmonary functioning, quality of life, and exercise tolerance improved, and inflammation reduced notably the most in the WS group. Systemic oxidative stress subsided significantly only in the WS group. Although a minor placebo effect was observed in the SGRQ test, but it was not present in other tests. Withanolides found in the WS roots demonstrated substantial inhibitory activity against the proteins ACE-2, MPO, and IL-6, compared to that of a standard drug or known inhibitor. Moreover, FEV1% predicted had significant correlation with systemic antioxidative status (positive correlation) and malondialdehyde (MDA, negative correlation), suggesting that the antioxidative potential of WS has significant contribution to improving lung functioning. Conclusion: Our study clinically demonstrated that WS root when given along with conventional drugs ameliorated COPD significantly more in comparison to the conventional drugs alone, in GOLD 2 and 3 categories of COPD patients. In silico, it has potent inhibitory activity against SARS-CoV-2 receptor, ACE-2, MPO, and IL-6.
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Affiliation(s)
- Priyam Singh
- Department of Biochemistry, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh, India
- *Correspondence: Priyam Singh,
| | - Khushtar Anwar Salman
- Department of Biochemistry, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh, India
| | - Mohammad Shameem
- Department of Tuberculosis and Respiratory Diseases, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh, India
| | - Mohd Sharib Warsi
- Department of Biochemistry, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh, India
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Bliźniewska-Kowalska K, Gałecki P, Su KP, Halaris A, Szemraj J, Gałecka M. Expression of PON1, PON2, PON3 and MPO Genes in Patients with Depressive Disorders. J Clin Med 2022; 11:jcm11123321. [PMID: 35743392 PMCID: PMC9225627 DOI: 10.3390/jcm11123321] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 02/01/2023] Open
Abstract
Background: Taking into account the role of oxidative stress in neurodegeneration, we sought to evaluate the expression of genes for select enzymes with antioxidant properties (paraoxonases PON1, PON2 and PON3 and myeloperoxidase MPO) at the mRNA and protein levels in patients with depressive disorders. We further sought to determine the impact of oxidative stress in the etiopathogenesis of this group of mood disorders. Methods: A total of 290 subjects (190 depressed patients, 100 healthy controls) took part in the study. Sociodemographic and clinical data were collected. The severity of depressive symptoms was assessed using the Hamilton Depression Rating Scale (HDRS). Venous blood was collected. RT-PCR was used to assess gene expression at the mRNA level, while enzyme-linked immunosorbent assay (ELISA) was used to assess gene expression at the protein level. Results: The expression of the PON2 and PON3 genes at the protein level was significantly higher in depressive patients than in healthy controls. mRNA expression of the PON1, PON2 and PON3 genes was slightly higher in patients with depressive disorders than in the control group, however, this relationship was not statistically significant. On the other hand, the expression of the MPO gene at both mRNA and protein levels was significantly lower in patients with depressive disorder than in the control group. Conclusions: Our results are not in agreement with many studies on enzymes involved in maintaining oxidative balance. Our findings may not support the utility of paraoxonases (PON) or myeloperoxidase (MPO) as promising biomarker candidates of depression pending larger and well controlled studies.
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Affiliation(s)
| | - Piotr Gałecki
- Department of Adult Psychiatry, Medical University of Lodz, 91-229 Lodz, Poland; (K.B.-K.); (P.G.)
| | - Kuan-Pin Su
- College of Medicine, China Medical University, Taichung 404, Taiwan;
- An-Nan Hospital, China Medical University, Tainan 709, Taiwan
| | - Angelos Halaris
- Department of Psychiatry and Behavioral Neuroscience, Stritch School of Medicine, Loyola University Chicago and Loyola University Medical Center, 2160 South First Avenue, Maywood, IL 60153, USA;
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, 92-215 Lodz, Poland;
| | - Małgorzata Gałecka
- Department of Psychotherapy, Medical University of Lodz, 91-229 Lodz, Poland
- Correspondence: ; Tel.: +48-668-558-37
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Frangie C, Daher J. Role of myeloperoxidase in inflammation and atherosclerosis (Review). Biomed Rep 2022; 16:53. [PMID: 35620311 PMCID: PMC9112398 DOI: 10.3892/br.2022.1536] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 04/12/2022] [Indexed: 11/29/2022] Open
Abstract
Myeloperoxidase (MPO) belongs to the heme peroxidase family, which includes a set of enzymes with potent oxidoreductase activity. MPO is considered an important part of the innate immune system's microbicidal arm and is secreted by neutrophils and macrophages. Interestingly, this enzyme has been implicated in the pathogenesis of several diseases including atherosclerosis. MPO is ubiquitous in atherosclerotic lesions and contributes to the initiation and progression of the disease primarily by oxidizing low-density lipoprotein (LDL) particles. MPO is the only human enzyme with the ability to produce hypochlorous acid (HOCl) at physiological chloride concentrations and HOCl-LDL epitopes were shown to be present inside atheromatous lesions making it a physiologically relevant model for the oxidation of LDL. It has been shown that MPO modified LDL is not able to bind to the native LDL receptor and is recognized instead by scavenger receptors on both endothelial cells and macrophages, which can lead to endothelial dysfunction and foam cell formation, respectively; both of which are instrumental in the progression of the disease. Meanwhile, several studies have proposed MPO as a biomarker for cardiovascular diseases where high levels of this enzyme were linked to an increased risk of developing coronary artery disease. Overall, there is sufficient evidence supporting the value of MPO as a crucial player in health and disease. Thus, future research should be directed towards investigating the still unknown processes associated with this enzyme. This may assist in better understanding the pathophysiological role of MPO, as well in the development of therapeutic strategies for protecting against the deleterious effects of MPO in numerous pathologies such as atherosclerosis.
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Affiliation(s)
- Christian Frangie
- Department of Biology, Faculty of Arts and Sciences, University of Balamand, El‑Koura 100, Lebanon
| | - Jalil Daher
- Department of Biology, Faculty of Arts and Sciences, University of Balamand, El‑Koura 100, Lebanon
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