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Gao Z, Li B, Guo X, Bai W, Kou C. The association between schizophrenia and white blood cells count: a bidirectional two-sample Mendelian randomization study. BMC Psychiatry 2023; 23:271. [PMID: 37076806 PMCID: PMC10114369 DOI: 10.1186/s12888-023-04760-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 04/07/2023] [Indexed: 04/21/2023] Open
Abstract
BACKGROUND Positive associations between the risk of schizophrenia and the level of white blood cells (WBC) count have been suggested by observational studies. However, the causality of this association is still unclear. METHODS We used a group of bidirectional two-sample Mendelian randomization (MR) analyses to estimate the causal relationship between schizophrenia and WBC count traits (i.e., WBC count, lymphocyte count, neutrophil count, basophil count, eosinophil count, and monocyte count). The threshold of FDR-adjusted P < 0.05 was considered as showing potential evidence of a causal effect. Instrument variables were included based on the genome-wide significance threshold (P < 5 × 10- 8) and linkage disequilibrium (LD) clumping (r2 < 0.01). In total, 81, 95, 85, 87, 76, and 83 schizophrenia-related single nucleotide polymorphisms (SNPs) were used as genetic instruments from Psychiatric Genomics Consortium for six WBC count traits, respectively. And in reverse MR analysis, 458, 206, 408, 468, 473, and 390 variants extracted from six WBC count traits were utilized as genetic instruments, which were obtained from a recent large-scale Genome-Wide Association Study (GWAS). RESULTS Genetically predicted schizophrenia was positively associated with the level of WBC count [odds ratio (OR) 1.017, 95% confidence interval (CI) 1.008-1.026; P = 7.53 × 10- 4], basophil count (OR 1.014, 95%CI 1.005-1.022; P = 0.002), eosinophil count (OR 1.021, 95%CI 1.011-1.031; P = 2.77 × 10- 4), monocyte count (OR 1.018, 95%CI 1.009-1.027; P = 4.60 × 10- 4), lymphocyte count (OR 1.021, 95%CI 1.012-1.030; P = 4.51 × 10- 5), and neutrophil count (OR 1.013, 95%CI 1.005-1.022; P = 0.004). WBC count traits are not associated with the risk of schizophrenia in our reverse MR results. CONCLUSION Schizophrenia is associated with elevated levels of WBC count (i.e., higher WBC count, lymphocyte count, neutrophil count, basophil count, eosinophil count, and monocyte count).
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Affiliation(s)
- Zibo Gao
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, China
| | - Biao Li
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, China
| | - Xinru Guo
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, China
| | - Wei Bai
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, & Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, Macau, SAR, 999078, China.
| | - Changgui Kou
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, China.
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Sanchez-Moral L, Paul T, Martori C, Font-Díaz J, Sanjurjo L, Aran G, Téllez É, Blanco J, Carrillo J, Ito M, Tuttolomondo M, Ditzel HJ, Fumagalli C, Tapia G, Sidorova J, Masnou H, Fernández-Sanmartín MA, Lozano JJ, Vilaplana C, Rodriguez-Cortés A, Armengol C, Valledor AF, Kremer L, Sarrias MR. Macrophage CD5L is a target for cancer immunotherapy. EBioMedicine 2023; 91:104555. [PMID: 37054630 PMCID: PMC10139961 DOI: 10.1016/j.ebiom.2023.104555] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 04/15/2023] Open
Abstract
BACKGROUND Reprogramming of immunosuppressive tumor-associated macrophages (TAMs) presents an attractive therapeutic strategy in cancer. The aim of this study was to explore the role of macrophage CD5L protein in TAM activity and assess its potential as a therapeutic target. METHODS Monoclonal antibodies (mAbs) against recombinant CD5L were raised by subcutaneous immunization of BALB/c mice. Peripheral blood monocytes were isolated from healthy donors and stimulated with IFN/LPS, IL4, IL10, and conditioned medium (CM) from different cancer cell lines in the presence of anti-CD5L mAb or controls. Subsequently, phenotypic markers, including CD5L, were quantified by flow cytometry, IF and RT-qPCR. Macrophage CD5L protein expression was studied in 55 human papillary lung adenocarcinoma (PAC) samples by IHC and IF. Anti-CD5L mAb and isotype control were administered intraperitoneally into a syngeneic Lewis Lung Carcinoma mouse model and tumor growth was measured. Tumor microenvironment (TME) changes were determined by flow cytometry, IHC, IF, Luminex, RNAseq and RT-qPCR. FINDINGS Cancer cell lines CM induced an immunosuppressive phenotype (increase in CD163, CD206, MERTK, VEGF and CD5L) in cultured macrophages. Accordingly, high TAM expression of CD5L in PAC was associated with poor patient outcome (Log-rank (Mantel-Cox) test p = 0.02). We raised a new anti-CD5L mAb that blocked the immunosuppressive phenotype of macrophages in vitro. Its administration in vivo inhibited tumor progression of lung cancer by altering the intratumoral myeloid cell population profile and CD4+ T-cell exhaustion phenotype, thereby significantly modifying the TME and increasing the inflammatory milieu. INTERPRETATION CD5L protein plays a key function in modulating the activity of macrophages and their interactions within the TME, which supports its role as a therapeutic target in cancer immunotherapy. FUNDING For a full list of funding bodies, please see the Acknowledgements.
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Affiliation(s)
- Lidia Sanchez-Moral
- Innate Immunity Group, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain
| | - Tony Paul
- Innate Immunity Group, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain
| | - Clara Martori
- Innate Immunity Group, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain; Departament de Farmacologia, Terapèutica i Toxicologia, Facultat de Veterinària, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Joan Font-Díaz
- Department of Cell Biology, Physiology and Immunology, School of Biology, University of Barcelona and Institute of Biomedicine of the University of Barcelona (IBUB), 08028 Barcelona, Spain
| | - Lucía Sanjurjo
- Innate Immunity Group, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain
| | - Gemma Aran
- Innate Immunity Group, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain
| | - Érica Téllez
- Innate Immunity Group, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain
| | - Julià Blanco
- Virology and Cellular Immunology (VIC), IrsiCaixa, 08916 Badalona, Spain
| | - Jorge Carrillo
- Virology and Cellular Immunology (VIC), IrsiCaixa, 08916 Badalona, Spain
| | - Masaoki Ito
- Department of Surgical Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, 739-8527 Hiroshima, Japan
| | - Martina Tuttolomondo
- Department of Cancer and Inflammation Research, Institute of Molecular Medicine, University of Southern Denmark, 5000 Odense, Denmark
| | - Henrik J Ditzel
- Department of Cancer and Inflammation Research, Institute of Molecular Medicine, University of Southern Denmark, 5000 Odense, Denmark; Department of Oncology, Odense University Hospital, 5220 Odense, Denmark
| | - Caterina Fumagalli
- Servicio de Anatomía Patológica, Hospital de la Santa Creu i Sant Pau, 08025, Barcelona, Spain
| | - Gustavo Tapia
- Pathology Department, Germans Trias i Pujol University Hospital (HUGTiP), 08916 Badalona, Spain
| | - Julia Sidorova
- Bioinformatics Platform, CIBERehd, 08036 Barcelona, Spain
| | - Helena Masnou
- Gastroenterology Department, Germans Trias i Pujol University Hospital (HUGTiP), 08916 Badalona, Spain; Network for Biomedical Research in Hepatic and Digestive Diseases (CIBERehd), 28029 Madrid, Spain
| | | | | | - Cristina Vilaplana
- Experimental Tuberculosis Unit, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain; Department of Genetics and Microbiology, Autonomous University of Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), 28029 Madrid, Spain; Microbiology Department, Laboratori Clínic Metropolitana Nord, Germans Trias i Pujol University Hospital, 08916 Badalona, Spain
| | - Alhelí Rodriguez-Cortés
- Departament de Farmacologia, Terapèutica i Toxicologia, Facultat de Veterinària, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Carolina Armengol
- Network for Biomedical Research in Hepatic and Digestive Diseases (CIBERehd), 28029 Madrid, Spain; Childhood Liver Oncology Group, Program of Predictive and Personalized Medicine of Cancer (PMPCC), IGTP, 08916 Badalona, Spain
| | - Annabel F Valledor
- Department of Cell Biology, Physiology and Immunology, School of Biology, University of Barcelona and Institute of Biomedicine of the University of Barcelona (IBUB), 08028 Barcelona, Spain
| | - Leonor Kremer
- Protein Tools Unit and Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB-CSIC), 28049 Madrid, Spain
| | - Maria-Rosa Sarrias
- Innate Immunity Group, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain; Network for Biomedical Research in Hepatic and Digestive Diseases (CIBERehd), 28029 Madrid, Spain.
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Lenka S, Bhola RK, Varanasi PR, Bhuyan SK, Bhuyan R. Understanding the functional relevance of oral neutrophils, phenotype and properties in OSCC. Med Oncol 2023; 40:134. [PMID: 37010645 DOI: 10.1007/s12032-023-02010-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 03/24/2023] [Indexed: 04/04/2023]
Abstract
Neutrophils are the predominant white blood cells (WBC) that are recruited to the sites of inflammation and infection. They are acknowledged to perform dual roles by promoting (pro-tumor) or by exhibiting anti-cancer properties (anti-tumor). Neutrophils are characterized based on the changes in phenotype and functional properties. To this context, circulating polymorphonuclear neutrophils (cPMN) and tumor-associated neutrophils (TANs) in cancer biology has been well explored but limited to oral polymorphonuclear neutrophils (oPMNs) in oral squamous cell carcinoma (OSCC). However, oPMNs are eminent in maintaining the healthy oral ecosystem by neutralizing microorganisms. Neutralization process enhances the expression of cell surface markers (CD11b, CD63, CD66, CD66b, CD66c, and CD66e) and inflammatory cytokines (TNF-α, IFN-γ, GM-CSF, and IL-8) and increases the recruitment of neutrophils. Along with the inflammation, it has been reported that CEACAM1 and chemerin also favors the infiltration of neutrophils to the cancer site. This indicates that oPMN might contribute to the aetiology of OSCC. The main objective of this review is to explore, the production and migration of oPMNs to the oral cavity, their phenotypes and possible role in OSCC.
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Affiliation(s)
- Sudhansubala Lenka
- Department of Medical Research, IMS and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, India
| | - Rajesh Kumar Bhola
- Department of Pathology, IMS and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, India
| | - Pavankumar R Varanasi
- Department of Medical Research, IMS and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, India
| | - Sanat Kumar Bhuyan
- Department of Oral Medicine and Radiology, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, India
| | - Ruchi Bhuyan
- Department of Medical Research, IMS and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, India.
- Department of Oral Pathology and Microbiology, IMS and SUM Hospital, Siksha 'O' Anusandhan (Deemed to be) University, Bhubaneswar, 751003, India.
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204
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Petitjean Q, Laffaille P, Perrault A, Cousseau M, Jean S, Jacquin L. Adaptive plastic responses to metal contamination in a multistress context: a field experiment in fish. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:55678-55698. [PMID: 36894734 DOI: 10.1007/s11356-023-26189-w] [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: 07/20/2022] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Wild populations often differ in their tolerance to environmental stressors, but intraspecific variability is rarely taken into account in ecotoxicology. In addition, plastic responses to multiple stressors have rarely been investigated in realistic field conditions. In this study, we compared the responses to metal contamination of gudgeon populations (Gobio occitaniae) differing in their past chronic exposure to metal contamination, using a reciprocal transplant experiment and an immune challenge mimicking a parasite attack to test for potential effects of multiple stressors across biological levels. We measured fish survival and traits involved in metal bioaccumulation, oxidative stress, immunity, cell apoptosis, and energy management to decipher underpinning physiological mechanisms across biological levels (i.e., gene expression, cell, organism). Fish from the two replicate High Contamination sites had higher survival when transferred into contaminated sites, suggesting a local adaptation to the contaminated site, possibly explained by higher levels of detoxification and antioxidant capacity but with potential higher apoptosis costs compared to their naïve counterparts. We found no evidence of co- or maladaptation to the immune stressor, suggesting no specific costs to face pathogens. In the emerging field of evolutionary ecotoxicology, this study underlines the need to consider intraspecific variability to better understand the effects of pollution in heterogeneous populations.
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Affiliation(s)
- Quentin Petitjean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France.
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, UPS, CNRS, IRD, Toulouse, France.
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France.
- Institut Sophia Agrobiotech, UMR1355 INRAE, UMR7254 CNRS, Université Côte d'Azur, Sophia-Antipolis, France.
| | - Pascal Laffaille
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Annie Perrault
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Myriam Cousseau
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Séverine Jean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
| | - Lisa Jacquin
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, UPS, CNRS, IRD, Toulouse, France
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
- Institut Universitaire de France, Paris, France
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Kalonia A, Kumar Sharma A, Shaw P, Kumar A, Bhatt AN, Shukla A, Shukla SK. Ascorbate formulation improves healing efficacy in excisional wound mice model through interplay between pro and anti-inflammatory cytokines and angiogenic markers. Cytokine 2023; 164:156158. [PMID: 36827818 DOI: 10.1016/j.cyto.2023.156158] [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: 10/18/2022] [Revised: 01/20/2023] [Accepted: 02/03/2023] [Indexed: 02/24/2023]
Abstract
BACKGROUND AND OBJECTIVE Biomedical research in regenerative medicine prompts researchers to formulate cost-effective therapeutics for wound healing. The present study was conducted to characterize the ascorbate based formulation vis-a-vis investigating the molecular dynamics of the formulation. MATERIALS AND METHODS To characterize the formulation, particle size, zeta potential, thermal stability, compatibility, anti-oxidant, and permeation prospective were measured using standard protocols. The in-vitro healing potential and safety formulae were evaluated using the L929 cell line. For molecular unravelling of the pharmacodynamics of formulation, an excision wound model was used, and 54 mice were randomly and equally divided into three groups, i.e., untreated, betadine-treated, and formulation-treated, to ascertain the interplay between cytokines and chemokines and their culminative role in the release of growth factors. RESULTS The ascorbate formulae were found to be amorphous, biocompatible, safe, and long-lasting, with particle sizes and zeta potentials of 389.7 ± 0.69 nm and -38.1 ± 0.65 mV, respectively, and anti-oxidative potential. An in-vitro study revealed that the formulation has a significant (p<0.05) migration potential and is non-toxic. Expression profiling of TGF-β, FGF-2, VEGF, and collagen III & I showed significant (p<0.05) up-regulation, whereas significant (p<0.05) down-regulation of pro-inflammatory genes like IL-1α, IL-1β, TNF-α, IL-6, and temporal change in CCR-5 was observed in formulae-treated animals as compared to other groups. CONCLUSION By up-regulating angiogenic and collagen-promoting growth factor gene expression while down-regulating pro-inflammatory gene expression, ascorbate formulation promotes wound healing via extracellular matrix and granulation tissue deposition with significant improvement in tensile strength.
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Affiliation(s)
- Aman Kalonia
- Institute of Nuclear Medicine & Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, New Delhi 110054, India
| | - Ajay Kumar Sharma
- Institute of Nuclear Medicine & Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, New Delhi 110054, India
| | - Priyanka Shaw
- Institute of Nuclear Medicine & Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, New Delhi 110054, India
| | - Abhishek Kumar
- Institute of Nuclear Medicine & Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, New Delhi 110054, India
| | - Anant Narayan Bhatt
- Institute of Nuclear Medicine & Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, New Delhi 110054, India
| | - Amit Shukla
- Department of Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, UP Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go-Anusandhan Sansthan (DUVASU), Mathura, India
| | - Sandeep Kumar Shukla
- Institute of Nuclear Medicine & Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, New Delhi 110054, India.
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Avalos D, Rey G, Ribeiro DM, Ramisch A, Dermitzakis ET, Delaneau O. Genetic variation in cis-regulatory domains suggests cell type-specific regulatory mechanisms in immunity. Commun Biol 2023; 6:335. [PMID: 36977773 PMCID: PMC10050075 DOI: 10.1038/s42003-023-04688-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/09/2023] [Indexed: 03/30/2023] Open
Abstract
Studying the interplay between genetic variation, epigenetic changes, and regulation of gene expression is crucial to understand the modification of cellular states in various conditions, including immune diseases. In this study, we characterize the cell-specificity in three key cells of the human immune system by building cis maps of regulatory regions with coordinated activity (CRDs) from ChIP-seq peaks and methylation data. We find that only 33% of CRD-gene associations are shared between cell types, revealing how similarly located regulatory regions provide cell-specific modulation of gene activity. We emphasize important biological mechanisms, as most of our associations are enriched in cell-specific transcription factor binding sites, blood-traits, and immune disease-associated loci. Notably, we show that CRD-QTLs aid in interpreting GWAS findings and help prioritize variants for testing functional hypotheses within human complex diseases. Additionally, we map trans CRD regulatory associations, and among 207 trans-eQTLs discovered, 46 overlap with the QTLGen Consortium meta-analysis in whole blood, showing that mapping functional regulatory units using population genomics allows discovering important mechanisms in the regulation of gene expression in immune cells. Finally, we constitute a comprehensive resource describing multi-omics changes to gain a greater understanding of cell-type specific regulatory mechanisms of immunity.
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Affiliation(s)
- Diana Avalos
- Department of Genetic Medicine and Development, University of Geneva, Geneva, Switzerland
- Swiss Institute of Bioinformatics (SIB), University of Geneva, Geneva, Switzerland
- Institute of Genetics and Genomics in Geneva, University of Geneva, Geneva, Switzerland
- Department of Computational Biology, University of Lausanne, Lausanne, Switzerland
| | - Guillaume Rey
- Department of Genetic Medicine and Development, University of Geneva, Geneva, Switzerland
- Swiss Institute of Bioinformatics (SIB), University of Geneva, Geneva, Switzerland
- Institute of Genetics and Genomics in Geneva, University of Geneva, Geneva, Switzerland
| | - Diogo M Ribeiro
- Swiss Institute of Bioinformatics (SIB), University of Geneva, Geneva, Switzerland
- Department of Computational Biology, University of Lausanne, Lausanne, Switzerland
| | - Anna Ramisch
- Department of Genetic Medicine and Development, University of Geneva, Geneva, Switzerland
- Swiss Institute of Bioinformatics (SIB), University of Geneva, Geneva, Switzerland
- Institute of Genetics and Genomics in Geneva, University of Geneva, Geneva, Switzerland
| | - Emmanouil T Dermitzakis
- Department of Genetic Medicine and Development, University of Geneva, Geneva, Switzerland
- Swiss Institute of Bioinformatics (SIB), University of Geneva, Geneva, Switzerland
- Institute of Genetics and Genomics in Geneva, University of Geneva, Geneva, Switzerland
| | - Olivier Delaneau
- Swiss Institute of Bioinformatics (SIB), University of Geneva, Geneva, Switzerland.
- Department of Computational Biology, University of Lausanne, Lausanne, Switzerland.
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Zhu G, Gao Y, Qian J, Lai Y, Lin H, Liu C, Chen F, Liu X. Comprehensive analysis of atherosclerotic plaques reveals crucial genes and molecular mechanisms associated with plaque progression and rupture. Front Cardiovasc Med 2023; 10:951242. [PMID: 37057098 PMCID: PMC10089263 DOI: 10.3389/fcvm.2023.951242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 03/09/2023] [Indexed: 03/30/2023] Open
Abstract
BackgroundPlaque rupture and acute atherothrombosis, resulting from continued progression of atherosclerotic plaques (APs), are major contributors to acute clinical events such as stroke or myocardial infarction. This article aimed to explore the gene signatures and potential molecular mechanisms in the progression and instability of APs and to identify novel biomarkers and interventional targets for AP rupture.MethodsThe microarray data were downloaded from the Gene Expression Omnibus (GEO) database and grouped into discovery and validation cohorts. In the discovery cohort, Weighted Gene Co-Expression Network Analysis was performed for finding co-expression modules, and the Metascape database was used to perform functional enrichment analysis. Differential Expression Genes analysis subsequently was performed in the validation cohort for verification of the obtained results. Common genes were introduced into Metascape database for protein–protein interaction and functional enrichment analysis. We constructed the miRNAs–mRNAs network with the hub genes. Moreover, gene expression profiles of peripheral blood mononuclear cells (PBMCs) from peripheral blood of patients with plaque rupture were analyzed by high-throughput sequencing, and the diagnostic power of hub genes was verified by receiver operating characteristic (ROC) analysis.ResultsIn the discovery cohort, the brown module in GSE28829 and the turquoise module in GSE163154 were the most significant co-expression modules. Functional enrichment analysis of shared genes suggested that “Neutrophil degranulation” was the most significantly enriched pathway. These conclusions were also demonstrated by the validation cohort. A total of 16 hub genes were identified. The miRNA–mRNA network revealed that hsa-miR-665 and hsa-miR-512-3p might regulate the “Neutrophil degranulation” pathway through PLAU and SIRPA, which might play a significant role in AP progression and instability. Five hub genes, including PLAUR, FCER1G, PLAU, ITGB2, and SLC2A5, showed significantly increased expression in PBMCs from patients with plaque rupture compared with controls. ROC analysis finally identified three hub genes PLAUR, FCER1G, and PLAU that could effectively distinguish patients with APs rupture from controls.ConclusionsThe present study demonstrated that the “neutrophil degranulation” signaling pathways and identified novel mRNA and miRNA candidates are closely associated with plaque progression and instability. The hub genes FCER1G, PLAUR, and PLAU may serve as biomarkers for the prospective prediction of AP rupture.
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Affiliation(s)
| | | | | | | | | | | | - Fei Chen
- Correspondence: Xuebo Liu Fei Chen
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208
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Ahmad SD, Cetin M, Waugh RE, McGrath JL. A computer vision approach for analyzing label free leukocyte trafficking dynamics on a microvascular mimetic. Front Immunol 2023; 14:1140395. [PMID: 37033977 PMCID: PMC10080102 DOI: 10.3389/fimmu.2023.1140395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 03/09/2023] [Indexed: 04/11/2023] Open
Abstract
High-content imaging techniques in conjunction with in vitro microphysiological systems (MPS) allow for novel explorations of physiological phenomena with a high degree of translational relevance due to the usage of human cell lines. MPS featuring ultrathin and nanoporous silicon nitride membranes (µSiM) have been utilized in the past to facilitate high magnification phase contrast microscopy recordings of leukocyte trafficking events in a living mimetic of the human vascular microenvironment. Notably, the imaging plane can be set directly at the endothelial interface in a µSiM device, resulting in a high-resolution capture of an endothelial cell (EC) and leukocyte coculture reacting to different stimulatory conditions. The abundance of data generated from recording observations at this interface can be used to elucidate disease mechanisms related to vascular barrier dysfunction, such as sepsis. The appearance of leukocytes in these recordings is dynamic, changing in character, location and time. Consequently, conventional image processing techniques are incapable of extracting the spatiotemporal profiles and bulk statistics of numerous leukocytes responding to a disease state, necessitating labor-intensive manual processing, a significant limitation of this approach. Here we describe a machine learning pipeline that uses a semantic segmentation algorithm and classification script that, in combination, is capable of automated and label-free leukocyte trafficking analysis in a coculture mimetic. The developed computational toolset has demonstrable parity with manually tabulated datasets when characterizing leukocyte spatiotemporal behavior, is computationally efficient and capable of managing large imaging datasets in a semi-automated manner.
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Affiliation(s)
- S. Danial Ahmad
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - Mujdat Cetin
- Department of Electrical and Computer Engineering, University of Rochester, Rochester, NY, United States
- Goergen Institute for Data Science, University of Rochester, Rochester, NY, United States
| | - Richard E. Waugh
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - James L. McGrath
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
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209
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Preechanukul A, Yimthin T, Tandhavanant S, Brummaier T, Chomkatekaew C, Das S, Syed Ahamed Kabeer B, Toufiq M, Rinchai D, West TE, Chaussabel D, Chantratita N, Garand M. Abundance of ACVR1B transcript is elevated during septic conditions: Perspectives obtained from a hands-on reductionist investigation. Front Immunol 2023; 14:1072732. [PMID: 37020544 PMCID: PMC10067751 DOI: 10.3389/fimmu.2023.1072732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 03/01/2023] [Indexed: 04/07/2023] Open
Abstract
Sepsis is a complex heterogeneous condition, and the current lack of effective risk and outcome predictors hinders the improvement of its management. Using a reductionist approach leveraging publicly available transcriptomic data, we describe a knowledge gap for the role of ACVR1B (activin A receptor type 1B) in sepsis. ACVR1B, a member of the transforming growth factor-beta (TGF-beta) superfamily, was selected based on the following: 1) induction upon in vitro exposure of neutrophils from healthy subjects with the serum of septic patients (GSE49755), and 2) absence or minimal overlap between ACVR1B, sepsis, inflammation, or neutrophil in published literature. Moreover, ACVR1B expression is upregulated in septic melioidosis, a widespread cause of fatal sepsis in the tropics. Key biological concepts extracted from a series of PubMed queries established indirect links between ACVR1B and "cancer", "TGF-beta superfamily", "cell proliferation", "inhibitors of activin", and "apoptosis". We confirmed our observations by measuring ACVR1B transcript abundance in buffy coat samples obtained from healthy individuals (n=3) exposed to septic plasma (n = 26 melioidosis sepsis cases)ex vivo. Based on our re-investigation of publicly available transcriptomic data and newly generated ex vivo data, we provide perspective on the role of ACVR1B during sepsis. Additional experiments for addressing this knowledge gap are discussed.
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Affiliation(s)
- Anucha Preechanukul
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Thatcha Yimthin
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Sarunporn Tandhavanant
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Tobias Brummaier
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Chalita Chomkatekaew
- Mahidol-Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Sukanta Das
- Mahidol-Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | | | - Mohammed Toufiq
- Systems Biology and Immunology Department, Sidra Medicine, Doha, Qatar
| | - Darawan Rinchai
- Systems Biology and Immunology Department, Sidra Medicine, Doha, Qatar
| | - T. Eoin West
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
- Department of Global Health, University of Washington, Seattle, WA, United States
| | - Damien Chaussabel
- Systems Biology and Immunology Department, Sidra Medicine, Doha, Qatar
| | - Narisara Chantratita
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Mahidol-Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Mathieu Garand
- Systems Biology and Immunology Department, Sidra Medicine, Doha, Qatar
- Division of Pediatric Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, MI, United States
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210
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Semeniuk-Wojtaś A, Poddębniak-Strama K, Modzelewska M, Baryła M, Dziąg-Dudek E, Syryło T, Górnicka B, Jakieła A, Stec R. Tumour microenvironment as a predictive factor for immunotherapy in non-muscle-invasive bladder cancer. Cancer Immunol Immunother 2023:10.1007/s00262-023-03376-9. [PMID: 36928373 DOI: 10.1007/s00262-023-03376-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 01/09/2023] [Indexed: 03/18/2023]
Abstract
Bladder cancer (BC) can be divided into two subgroups depending on invasion of the muscular layer: non-muscle-invasive bladder cancer (NMIBC) and muscle-invasive bladder cancer (MIBC). Its aggressiveness is associated, inter alia, with genetic aberrations like losses of 1p, 6q, 9p, 9q and 13q; gain of 5p; or alterations in the p53 and p16 pathways. Moreover, there are reported metabolic disturbances connected with poor diagnosis-for example, enhanced aerobic glycolysis, gluconeogenesis or haem catabolism.Currently, the primary way of treatment method is transurethral resection of the bladder tumour (TURBT) with adjuvant Bacillus Calmette-Guérin (BCG) therapy for NMIBC or radical cystectomy for MIBC combined with chemotherapy or immunotherapy. However, intravesical BCG immunotherapy and immune checkpoint inhibitors are not efficient in every case, so appropriate biomarkers are needed in order to select the proper treatment options. It seems that the success of immunotherapy depends mainly on the tumour microenvironment (TME), which reflects the molecular disturbances in the tumour. TME consists of specific conditions like hypoxia or local acidosis and different populations of immune cells including tumour-infiltrating lymphocytes, natural killer cells, neutrophils and B lymphocytes, which are responsible for shaping the response against tumour neoantigens and crucial pathways like the PD-L1/PD-1 axis.In this review, we summarise holistically the impact of the immune system, genetic alterations and metabolic changes that are key factors in immunotherapy success. These findings should enable better understanding of the TME complexity in case of NMIBC and causes of failures of current therapies.
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Affiliation(s)
| | | | | | | | | | - Tomasz Syryło
- Department of General, Active and Oncological Urology, Military Institute of Medicine, Warsaw, Poland
| | - Barbara Górnicka
- Pathomorphology Department, Medical University of Warsaw, Warsaw, Poland
| | - Anna Jakieła
- Oncology Department, 4 Military Clinical Hospital with a Polyclinic, Wroclaw, Poland
| | - Rafał Stec
- Oncology Department, Medical University of Warsaw, Warsaw, Poland
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211
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Yang CR, Lin YS, Wu RS, Lin CJ, Chu HW, Huang CC, Anand A, Unnikrishnan B, Chang HT. Dual-emissive carbonized polymer dots for the ratiometric fluorescence imaging of singlet oxygen in living cells. J Colloid Interface Sci 2023; 634:575-585. [PMID: 36549206 DOI: 10.1016/j.jcis.2022.12.076] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/06/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022]
Abstract
Singlet oxygen (1O2) is a type of reactive oxygen species (ROS), playing a vital role in the physiological and pathophysiological processes. Specific probes for monitoring intracellular 1O2 still remain challenging. In this study, we develop a ratiometric fluorescent probe for the real-time intracellular detection of 1O2 using o-phenylenediamine-derived carbonized polymer dots (o-PD CPDs). The o-PD CPDs possessing dual-excitation-emission properties (blue and yellow fluorescence) were successfully synthesized in a two-phase system (water/acetonitrile) using an ionic liquid tetrabutylammonium hexafluorophosphate as a supporting electrolyte through the electrolysis of o-PD. The o-PD CPDs can act as a photosensitizer to produce 1O2 upon white LED irradiation, in turn, the generated 1O2 selectively quenches the yellow emission of the o-PD CPDs. This quenching behavior is ascribed to the specific cycloaddition reaction between 1O2 and alkene groups in the polymer scaffolds on o-PD CPDs. The interior carbon core can be a reliable internal standard since its blue fluorescence intensity remains unchanged in the presence of 1O2. The ratiometric response of o-PD CPDs is selective toward 1O2 against other ROS species. The developed o-PD CPDs have been successfully applied to monitor the 1O2 level in the intracellular environment. Furthermore, in the inflammatory neutrophil cell model, o-PD CPDs can also detect the 1O2 and other ROS species such as hypochlorous acid after phorbol 12-myristate 13-acetate (PMA)-induced inflammation. Through the dual-channel fluorescence imaging, the ratiometric response of o-PD CPDs shows great potential for detecting endogenous and stimulating 1O2in vivo.
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Affiliation(s)
- Cheng-Ruei Yang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Yu-Syuan Lin
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Ren-Siang Wu
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Chin-Jung Lin
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Han-Wei Chu
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Chih-Ching Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 202301, Taiwan; School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Anisha Anand
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Binesh Unnikrishnan
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Huan-Tsung Chang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan.
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212
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In Vitro Human Haematopoietic Stem Cell Expansion and Differentiation. Cells 2023; 12:cells12060896. [PMID: 36980237 PMCID: PMC10046976 DOI: 10.3390/cells12060896] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/08/2023] [Accepted: 03/09/2023] [Indexed: 03/17/2023] Open
Abstract
The haematopoietic system plays an essential role in our health and survival. It is comprised of a range of mature blood and immune cell types, including oxygen-carrying erythrocytes, platelet-producing megakaryocytes and infection-fighting myeloid and lymphoid cells. Self-renewing multipotent haematopoietic stem cells (HSCs) and a range of intermediate haematopoietic progenitor cell types differentiate into these mature cell types to continuously support haematopoietic system homeostasis throughout life. This process of haematopoiesis is tightly regulated in vivo and primarily takes place in the bone marrow. Over the years, a range of in vitro culture systems have been developed, either to expand haematopoietic stem and progenitor cells or to differentiate them into the various haematopoietic lineages, based on the use of recombinant cytokines, co-culture systems and/or small molecules. These approaches provide important tractable models to study human haematopoiesis in vitro. Additionally, haematopoietic cell culture systems are being developed and clinical tested as a source of cell products for transplantation and transfusion medicine. This review discusses the in vitro culture protocols for human HSC expansion and differentiation, and summarises the key factors involved in these biological processes.
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213
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Buso G, Faggin E, Bressan A, Galliazzo S, Cinetto F, Felice C, Fusaro M, Erdmann A, Pauletto P, Rattazzi M, Mazzolai L. Biomarkers of Neutrophil Activation in Patients with Symptomatic Chronic Peripheral Artery Disease Predict Worse Cardiovascular Outcome. Biomedicines 2023; 11:biomedicines11030866. [PMID: 36979845 PMCID: PMC10045814 DOI: 10.3390/biomedicines11030866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
Neutrophils play a role in cardiovascular (CV) disease. However, relatively scant evidence exists in the setting of peripheral artery disease (PAD). The aims of this study were to measure biomarkers of neutrophil activation in patients with symptomatic chronic PAD compared with healthy controls, to assess their association with PAD severity, and to evaluate their prognostic value in patients with PAD. The following circulating markers of neutrophil degranulation were tested: polymorphonuclear neutrophil (PMN) elastase, neutrophil gelatinase-associated lipocalin (NGAL), and myeloperoxidase (MPO). Neutrophil extracellular traps (NETs) were quantified by measuring circulating MPO–DNA complexes. Patients with PAD underwent a comprehensive series of vascular tests. The occurrence of 6-month major adverse CV (MACE) and limb events (MALE) was assessed. Overall, 110 participants were included, 66 of which had PAD. After adjustment for conventional CV risk factors, PMN-elastase (adjusted odds ratio [OR]: 1.008; 95% confidence interval [CI]: 1.002–1.015; p = 0.006), NGAL (adjusted OR: 1.045; 95%CI: 1.024–1.066; p < 0.001), and MPO (adjusted OR: 1.013; 95%CI: 1.001–1.024; p = 0.028) were significantly associated with PAD presence. PMN-elastase (adjusted hazard ratio [HR]: 1.010; 95%CI: 1.000–1.020; p = 0.040) and MPO (adjusted HR: 1.027; 95%CI: 1.004–1.051; p = 0.019) were predictive of 6-month MACE and/or MALE. MPO displayed fair prognostic performance on receiver operating characteristic (ROC) curve analyses, with an area under the curve (AUC) of 0.74 (95%CI: 0.56–0.91) and a sensitivity and specificity of 0.80 and 0.65, respectively, for a cut-off of 108.37 ng/mL. MPO–DNA showed a weak inverse correlation with transcutaneous oximetry (TcPO2) on proximal foot (adjusted ρ −0.287; p = 0.032). In conclusion, in patients with symptomatic chronic PAD, enhanced neutrophil activity may be associated with an increased risk of acute CV events, rather than correlate with disease severity. Further research is needed to clarify the role of neutrophils in PAD natural history.
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Affiliation(s)
- Giacomo Buso
- Angiology Division, Heart and Vessel Department, Lausanne University Hospital, University of Lausanne, 1011 Lausanne, Switzerland
- Department of Clinical and Experimental Sciences, 2a Medicina—Azienda Socio Sanitaria Territoriale Spedali Civili di Brescia, University of Brescia, 25100 Brescia, Italy
- Correspondence:
| | - Elisabetta Faggin
- Department of Medicine—DIMED, University of Padua, 35122 Padua, Italy
| | | | - Silvia Galliazzo
- Department of Internal Medicine Unit, Ospedale S. Valentino, 31044 Montebelluna, Italy
| | - Francesco Cinetto
- Department of Medicine—DIMED, University of Padua, 35122 Padua, Italy
- Medicina Interna I, Ca’ Foncello University Hospital, 31100 Treviso, Italy
| | - Carla Felice
- Department of Medicine—DIMED, University of Padua, 35122 Padua, Italy
- Medicina Interna I, Ca’ Foncello University Hospital, 31100 Treviso, Italy
| | - Michele Fusaro
- Department of Radiology, Ca’ Foncello University Hospital, 31100 Treviso, Italy
| | - Andreas Erdmann
- Angiology Division, Heart and Vessel Department, Lausanne University Hospital, University of Lausanne, 1011 Lausanne, Switzerland
| | - Paolo Pauletto
- Ospedale Riabilitativo di Alta Specializzazione (ORAS)-ULSS 2 TV, Motta di Livenza, 31045 Treviso, Italy
| | - Marcello Rattazzi
- Department of Medicine—DIMED, University of Padua, 35122 Padua, Italy
- Medicina Interna I, Ca’ Foncello University Hospital, 31100 Treviso, Italy
| | - Lucia Mazzolai
- Angiology Division, Heart and Vessel Department, Lausanne University Hospital, University of Lausanne, 1011 Lausanne, Switzerland
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214
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Alcantara CA, Glassman I, Nguyen KH, Parthasarathy A, Venketaraman V. Neutrophils in Mycobacterium tuberculosis. Vaccines (Basel) 2023; 11:vaccines11030631. [PMID: 36992214 DOI: 10.3390/vaccines11030631] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/16/2023] Open
Abstract
Mycobacterium tuberculosis (M. tb) continues to be a leading cause of mortality within developing countries. The BCG vaccine to promote immunity against M. tb is widely used in developing countries and only in specific circumstances within the United States. However, current the literature reports equivocal data on the efficacy of the BCG vaccine. Critical within their role in the innate immune response, neutrophils serve as one of the first responders to infectious pathogens such as M. tb. Neutrophils promote effective clearance of M. tb through processes such as phagocytosis and the secretion of destructive granules. During the adaptative immune response, neutrophils modulate communication with lymphocytes to promote a strong pro-inflammatory response and to mediate the containment M. tb through the production of granulomas. In this review, we aim to highlight and summarize the role of neutrophils during an M. tb infection. Furthermore, the authors emphasize the need for more studies to be conducted on effective vaccination against M. tb.
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Affiliation(s)
- Cheldon Ann Alcantara
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Ira Glassman
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Kevin H Nguyen
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | | | - Vishwanath Venketaraman
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
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215
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Martinez-Sanz P, Laurent ARG, Slot E, Hoogenboezem M, Bąbała N, van Bruggen R, Rongvaux A, Flavell RA, Tytgat GAM, Franke K, Matlung HL, Kuijpers TW, Amsen D, Karrich JJ. Humanized MISTRG as a preclinical in vivo model to study human neutrophil-mediated immune processes. Front Immunol 2023; 14:1105103. [PMID: 36969261 PMCID: PMC10032520 DOI: 10.3389/fimmu.2023.1105103] [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: 11/22/2022] [Accepted: 02/22/2023] [Indexed: 03/11/2023] Open
Abstract
IntroductionMISTRG mice have been genetically modified to allow development of a human myeloid compartment from engrafted human CD34+ haemopoietic stem cells, making them particularly suited to study the human innate immune system in vivo. Here, we characterized the human neutrophil population in these mice to establish a model that can be used to study the biology and contribution in immune processes of these cells in vivo.Methods and resultsWe could isolate human bone marrow neutrophils from humanized MISTRG mice and confirmed that all neutrophil maturation stages from promyelocytes (CD11b–CD16–) to end-stage segmented cells (CD11b+CD16+) were present. We documented that these cells possessed normal functional properties, including degranulation, reactive oxygen species production, adhesion, and antibody-dependent cellular cytotoxicity towards antibody-opsonized tumor cells ex vivo. The acquisition of functional capacities positively correlated with the maturation state of the cell. We found that human neutrophils were retained in the bone marrow of humanized MISTRG mice during steady state. However, the mature segmented CD11b+CD16+ human neutrophils were released from the bone marrow in response to two well-established neutrophil-mobilizing agents (i.e., G-CSF and/or CXCR4 antagonist Plerixafor). Moreover, the neutrophil population in the humanized MISTRG mice actively reacted to thioglycolate-induced peritonitis and could infiltrate implanted human tumors, as shown by flow cytometry and fluorescent microscopy.DiscussionThese results show that functional human neutrophils are generated and can be studied in vivo using the humanized MISTRG mice, providing a model to study the various functions of neutrophils in inflammation and in tumors.
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Affiliation(s)
- Paula Martinez-Sanz
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
| | - Adrien R. G. Laurent
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Edith Slot
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Mark Hoogenboezem
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Nikolina Bąbała
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Robin van Bruggen
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Anthony Rongvaux
- Department of Immunology, University of Washington, Seattle, WA, United States
- Fred Hutchinson Cancer Research Center, Clinical Research Division, Seattle, WA, United States
| | - Richard A. Flavell
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, United States
- Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT, United States
| | - Godelieve A. M. Tytgat
- Princess Maxima Center for Pediatric Oncology, Department of Pediatric Oncology, Utrecht, Netherlands
| | - Katka Franke
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Hanke L. Matlung
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Taco W. Kuijpers
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- Rheumatology and Infectious Diseases, Emma Children's Hospital, Department of Pediatric Immunology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Derk Amsen
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
| | - Julien J. Karrich
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
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216
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Tian C, Zhu Z, Xie H, Wei C, Fang Z, Hu X, Zhou S. Association between Percentage of Neutrophils at Admission and in-Hospital Events in Patients ≥75 Years of Age with Acute Coronary Syndrome. CARDIOVASCULAR INNOVATIONS AND APPLICATIONS 2023. [DOI: doi 10.15212/cvia.2023.0010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023] Open
Abstract
Objective: The study aimed to evaluate the role of the neutrophil percentage (N%) at admission in predicting in-hospital major adverse cardiovascular events (MACE) in patients ≥75 years of age with acute coronary syndrome (ACS).
Methods: A total of 1189 patients above 75 years of age with ACS hospitalized at the Second Xiangya Hospital between January 2013 and December 2017 were enrolled in this retrospective study. Receiver operator characteristic curve analysis was performed to calculate the optimal N% cut-off value for patient grouping. The in-hospital MACE consisted of acute left heart failure, stroke and any cause of death. Multivariable logistic analyses were used to assess the role of N% in predicting MACE in older patients with ACS.
Results: The patients were divided into a high N% group (N% ≥74.17%, n=396) and low N% group (N%<74.17%, n=793) according to the N% cut-off value (N%=74.17%). The rate of MACEs during hospitalization was considerably higher in the high N% group than the low N% group (27.5% vs. 9.6%, P<0.001). After adjustment for other factors, high N% remained an independent risk factor for in-hospital MACE in older patients with ACS (odds ratio 1.779, 95% confidence interval 1.091–2.901, P=0.021).
Conclusion: High N% at admission is an independent risk factor for in-hospital MACE in patients above 75 years of age with ACS.
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Affiliation(s)
- Cuihong Tian
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Zhaowei Zhu
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Hebin Xie
- Changsha Central Hospital, Changsha, Hunan 410028, China
| | - Cheng Wei
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Zhenfei Fang
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Xinqun Hu
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Shenghua Zhou
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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217
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Tian C, Zhu Z, Xie H, Wei C, Fang Z, Hu X, Zhou S. Association between Percentage of Neutrophils at Admission and in-Hospital Events in Patients ≥75 Years of Age with Acute Coronary Syndrome. CARDIOVASCULAR INNOVATIONS AND APPLICATIONS 2023. [DOI: 10.15212/cvia.2023.0010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
Abstract
Objective: The study aimed to evaluate the role of the neutrophil percentage (N%) at admission in predicting in-hospital major adverse cardiovascular events (MACE) in patients ≥75 years of age with acute coronary syndrome (ACS).
Methods: A total of 1189 patients above 75 years of age with ACS hospitalized at the Second Xiangya Hospital between January 2013 and December 2017 were enrolled in this retrospective study. Receiver operator characteristic curve analysis was performed to calculate the optimal N% cut-off value for patient grouping. The in-hospital MACE consisted of acute left heart failure, stroke and any cause of death. Multivariable logistic analyses were used to assess the role of N% in predicting MACE in older patients with ACS.
Results: The patients were divided into a high N% group (N% ≥74.17%, n=396) and low N% group (N%<74.17%, n=793) according to the N% cut-off value (N%=74.17%). The rate of MACEs during hospitalization was considerably higher in the high N% group than the low N% group (27.5% vs. 9.6%, P<0.001). After adjustment for other factors, high N% remained an independent risk factor for in-hospital MACE in older patients with ACS (odds ratio 1.779, 95% confidence interval 1.091–2.901, P=0.021).
Conclusion: High N% at admission is an independent risk factor for in-hospital MACE in patients above 75 years of age with ACS.
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Affiliation(s)
- Cuihong Tian
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Zhaowei Zhu
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Hebin Xie
- Changsha Central Hospital, Changsha, Hunan 410028, China
| | - Cheng Wei
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Zhenfei Fang
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Xinqun Hu
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Shenghua Zhou
- Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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The Predictive Value of Monocyte/High-Density Lipoprotein Ratio (MHR) and Positive Symptom Scores for Aggression in Patients with Schizophrenia. Medicina (B Aires) 2023; 59:medicina59030503. [PMID: 36984504 PMCID: PMC10055014 DOI: 10.3390/medicina59030503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/20/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
Background and Objectives: Schizophrenia with aggression often has an inflammatory abnormality. The monocyte/high-density lipoprotein ratio (MHR), neutrophil/high-density lipoprotein ratio (NHR), platelet/high-density lipoprotein ratio (PHR) and lymphocyte/high-density lipoprotein ratio (LHR) have lately been examined as novel markers for the inflammatory response. The objective of this study was to assess the relationship between these new inflammatory biomarkers and aggression in schizophrenia patients. Materials and Methods: We enrolled 214 schizophrenia inpatients in our cross-sectional analysis. They were divided into the aggressive group (n = 94) and the non-aggressive group (n = 120) according to the Modified Overt Aggression Scale (MOAS). The severity of schizophrenia was assessed using the Positive and Negative Syndrome Scale (PANSS). The numbers of platelets (PLT), neutrophils (NEU), lymphocytes (LYM), monocytes (MON) and the high-density lipoprotein (HDL) content from subjects were recorded. The NHR, PHR, MHR and LHR were calculated. We analyzed the differences between those indexes in these two groups, and further searched for the correlation between inflammatory markers and aggression. Results: Patients with aggression had higher positive symptom scores (p = 0.002). The values of PLT, MON, MHR and PHR in the aggressive group were considerably higher (p < 0.05). The NHR (r = 0.289, p < 0.01), LHR (r = 0.213, p < 0.05) and MHR (r = 0.238, p < 0.05) values of aggressive schizophrenia patients were positively correlated with the total weighted scores of the MOAS. A higher MHR (β = 1.529, OR = 4.616, p = 0.026) and positive symptom scores (β = 0.071, OR = 1.047, p = 0.007) were significant predictors of aggression in schizophrenia patients. Conclusions: The MHR and the positive symptom scores may be predictors of aggressive behavior in schizophrenia patients. The MHR, a cheap and simple test, may be useful as a clinical tool for risk stratification, and it may direct doctors’ prevention and treatment plans in the course of ordinary clinical care.
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Tejpal Singh HS, Aminuddin AA, Pang KL, Ekeuku SO, Chin KY. The Role of Tocotrienol in Arthritis Management—A Scoping Review of Literature. Pharmaceuticals (Basel) 2023; 16:ph16030385. [PMID: 36986484 PMCID: PMC10052945 DOI: 10.3390/ph16030385] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 02/18/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Arthritis is a cluster of diseases impacting joint health and causing immobility and morbidity in the elderly. Among the various forms of arthritis, osteoarthritis (OA) and rheumatoid arthritis (RA) are the most common. Currently, satisfying disease-modifying agents for arthritis are not available. Given the pro-inflammatory and oxidative stress components in the pathogenesis of arthritis, tocotrienol, a family of vitamin E with both anti-inflammatory and antioxidant properties, could be joint-protective agents. This scoping review aims to provide an overview of the effects of tocotrienol on arthritis derived from the existing scientific literature. A literature search using PubMed, Scopus and Web of Science databases was conducted to identify relevant studies. Only cell culture, animal and clinical studies with primary data that align with the objective of this review were considered. The literature search uncovered eight studies investigating the effects of tocotrienol on OA (n = 4) and RA (n = 4). Most of the studies were preclinical and revealed the positive effects of tocotrienol in preserving joint structure (cartilage and bone) in models of arthritis. In particular, tocotrienol activates the self-repair mechanism of chondrocytes exposed to assaults and attenuates osteoclastogenesis associated with RA. Tocotrienol also demonstrated strong anti-inflammatory effects in RA models. The single clinical trial available in the literature showcases that palm tocotrienol could improve joint function among patients with OA. In conclusion, tocotrienol could be a potential anti-arthritic agent pending more results from clinical studies.
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Affiliation(s)
- Hashwin Singh Tejpal Singh
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Alya Aqilah Aminuddin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Kok-Lun Pang
- Newcastle University Medicine Malaysia, Iskandar Puteri 79200, Malaysia
| | - Sophia Ogechi Ekeuku
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
- Correspondence: ; Tel.: +60-391459573
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Kumar S, Karmacharya M, Cho YK. Bridging the Gap between Nonliving Matter and Cellular Life. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2202962. [PMID: 35988151 DOI: 10.1002/smll.202202962] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 07/28/2022] [Indexed: 06/15/2023]
Abstract
A cell, the fundamental unit of life, contains the requisite blueprint information necessary to survive and to build tissues, organs, and systems, eventually forming a fully functional living creature. A slight structural alteration can result in data misprinting, throwing the entire life process off balance. Advances in synthetic biology and cell engineering enable the predictable redesign of biological systems to perform novel functions. Individual functions and fundamental processes at the core of the biology of cells can be investigated by employing a synthetically constrained micro or nanoreactor. However, constructing a life-like structure from nonliving building blocks remains a considerable challenge. Chemical compartments, cascade signaling, energy generation, growth, replication, and adaptation within micro or nanoreactors must be comparable with their biological counterparts. Although these reactors currently lack the power and behavioral sophistication of their biological equivalents, their interface with biological systems enables the development of hybrid solutions for real-world applications, such as therapeutic agents, biosensors, innovative materials, and biochemical microreactors. This review discusses the latest advances in cell membrane-engineered micro or nanoreactors, as well as the limitations associated with high-throughput preparation methods and biological applications for the real-time modulation of complex pathological states.
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Affiliation(s)
- Sumit Kumar
- Center for Soft and Living Matter, Institute for Basic Science (IBS), UNIST-gil 50, Ulsan, 44919, Republic of Korea
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Mamata Karmacharya
- Center for Soft and Living Matter, Institute for Basic Science (IBS), UNIST-gil 50, Ulsan, 44919, Republic of Korea
- Department of Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Yoon-Kyoung Cho
- Center for Soft and Living Matter, Institute for Basic Science (IBS), UNIST-gil 50, Ulsan, 44919, Republic of Korea
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
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da Rocha EMT, Bracht L, Gonçalves OH, Leimann FV, Ames FQ, Schneider LCL, Duda JV, Cardia GFE, Bonetti CI, Cuman RKN, Bersani-Amado CA. Development and characterization of trans-anethole-containing solid lipid microparticles: antiinflammatory and gastroprotective effects in experimental inflammation. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:469-484. [PMID: 36385686 DOI: 10.1007/s00210-022-02323-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 11/03/2022] [Indexed: 11/18/2022]
Abstract
The present study prepared, optimized, and characterized solid lipid microparticles that contained trans-anethole (SLMAN), evaluated their antiinflammatory activity in acute and chronic inflammation models, and investigated their effects on the gastric mucosa in arthritic rats. The microparticles were obtained by a hot homogenization process and characterized by physicochemical analyses. The acute inflammatory response was induced by an intradermal injection of 0.1 ml of carrageenan solution (200 μg) in the hind paw. The rats were treated orally with a single dose of SLMAN 1 h before induction of the inflammatory response. The chronic inflammatory response was induced by the subcutaneous application of 0.1 ml of complete Freund's adjuvant suspension (500 µg) in the hind paw. SLMAN was orally administered, starting on the day of arthritis induction, and continued for 21 days. The results showed that SLMAN was obtained with good encapsulation efficiency. Treatment with SLMAN at doses of 25 and 50 mg/kg was as effective as trans-anethole (AN) at a dose of 250 mg/kg on acute and chronic inflammatory responses. Histological analyses showed that treatment with SLMAN did not aggravate lesions in the gastric mucosa in arthritic rats. These results indicated that treatment with SLMAN at a dose that was 5-10 times lower than non-encapsulated AN exerted an inhibitory effect on acute and chronic inflammatory responses, suggesting the better bioavailability and efficacy of microencapsulated AN without aggravating lesions in the gastric mucosa in arthritic rats.
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Affiliation(s)
- Edvalkia Magna Teobaldo da Rocha
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil
| | - Lívia Bracht
- Department of Biochemistry, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, Maringá, PR, 87020-900, Brazil
| | - Odinei Hess Gonçalves
- Post-Graduation Program of Food Technology (PPGTA), Federal University of Technology - Paraná (UTFPR), BR 369, Km 0.5, POBox 271, Campo Mourão, PR, 87301-006, Brazil
| | - Fernanda Vitória Leimann
- Post-Graduation Program of Food Technology (PPGTA), Federal University of Technology - Paraná (UTFPR), BR 369, Km 0.5, POBox 271, Campo Mourão, PR, 87301-006, Brazil
| | - Franciele Queiroz Ames
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil
| | - Larissa Carla Lauer Schneider
- Department of Morphological Sciences, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, Maringá, PR, 87020-900, Brazil
| | - João Victor Duda
- Department of Morphological Sciences, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, Maringá, PR, 87020-900, Brazil
| | - Gabriel Fernando Esteves Cardia
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil
| | - Carla Indianara Bonetti
- Department of Biochemistry, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, Maringá, PR, 87020-900, Brazil
| | - Roberto Kenji Nakamura Cuman
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil.
| | - Ciomar Aparecida Bersani-Amado
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil
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Yong SJ, Halim A, Halim M, Liu S, Aljeldah M, Al Shammari BR, Alwarthan S, Alhajri M, Alawfi A, Alshengeti A, Khamis F, Alsalman J, Alshukairi AN, Abukhamis NA, Almaghrabi FS, Almuthree SA, Alsulaiman AM, Alshehail BM, Alfaraj AH, Alhawaj SA, Mohapatra RK, Rabaan AA. Inflammatory and vascular biomarkers in post-COVID-19 syndrome: A systematic review and meta-analysis of over 20 biomarkers. Rev Med Virol 2023; 33:e2424. [PMID: 36708022 DOI: 10.1002/rmv.2424] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/02/2023] [Accepted: 01/09/2023] [Indexed: 01/29/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 may inflict a post-viral condition known as post-COVID-19 syndrome (PCS) or long-COVID. Studies measuring levels of inflammatory and vascular biomarkers in blood, serum, or plasma of COVID-19 survivors with PCS versus non-PCS controls have produced mixed findings. Our review sought to meta-analyse those studies. A systematic literature search was performed across five databases until 25 June 2022, with an updated search on 1 November 2022. Data analyses were performed with Review Manager and R Studio statistical software. Twenty-four biomarkers from 23 studies were meta-analysed. Higher levels of C-reactive protein (Standardized mean difference (SMD) = 0.20; 95% CI: 0.02-0.39), D-dimer (SMD = 0.27; 95% CI: 0.09-0.46), lactate dehydrogenase (SMD = 0.30; 95% CI: 0.05-0.54), and leukocytes (SMD = 0.34; 95% CI: 0.02-0.66) were found in COVID-19 survivors with PCS than in those without PCS. After sensitivity analyses, lymphocytes (SMD = 0.30; 95% CI: 0.12-0.48) and interleukin-6 (SMD = 0.30; 95% CI: 0.12-0.49) were also significantly higher in PCS than non-PCS cases. No significant differences were noted in the remaining biomarkers investigated (e.g., ferritin, platelets, troponin, and fibrinogen). Subgroup analyses suggested the biomarker changes were mainly driven by PCS cases diagnosed via manifestation of organ abnormalities rather than symptomatic persistence, as well as PCS cases with duration of <6 than ≥6 months. In conclusion, our review pinpointed certain inflammatory and vascular biomarkers associated with PCS, which may shed light on potential new approaches to understanding, diagnosing, and treating PCS.
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Affiliation(s)
- Shin Jie Yong
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, Selangor, Malaysia
| | - Alice Halim
- Shanghai Medical College, Fudan University, Shanghai, China
| | - Michael Halim
- Department of Biomedical Science, School of Science, Engineering and Environment, University of Salford, Greater Manchester, UK
| | - Shiliang Liu
- Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ontario, Canada
- School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Mohammed Aljeldah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, University of Hafr Al Batin, Hafr Al Batin, Saudi Arabia
| | - Basim R Al Shammari
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, University of Hafr Al Batin, Hafr Al Batin, Saudi Arabia
| | - Sara Alwarthan
- Department of Internal Medicine, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mashael Alhajri
- Department of Internal Medicine, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Abdulsalam Alawfi
- Department of Pediatrics, College of Medicine, Taibah University, Al-Madinah, Saudi Arabia
| | - Amer Alshengeti
- Department of Pediatrics, College of Medicine, Taibah University, Al-Madinah, Saudi Arabia
- Department of Infection Prevention and Control, Prince Mohammad Bin Abdulaziz Hospital, National Guard Health Affairs, Al-Madinah, Saudi Arabia
| | - Faryal Khamis
- Infection Diseases Unit, Department of Internal Medicine, Royal Hospital, Muscat, Oman
| | - Jameela Alsalman
- Infection Disease Unit, Department of Internal Medicine, Salmaniya Medical Complex, Ministry of Health, Manama, Bahrain
| | - Abeer N Alshukairi
- Department of Medicine, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Nujoud A Abukhamis
- Molecular Virology Laboratory, East Jeddah Hospital, Jeddah, Saudi Arabia
| | | | - Souad A Almuthree
- Department of Infectious Disease, King Abdullah Medical City, Makkah, Saudi Arabia
| | | | - Bashayer M Alshehail
- Pharmacy Practice Department, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Amal H Alfaraj
- Pediatric Department, Abqaiq General Hospital, First Eastern Health Cluster, Abqaiq, Saudi Arabia
| | - Shorouq A Alhawaj
- Department of Nursing Model of Care, Nephrology Dialysis & Transplant Unit, Qatif Central Hospital, Qatif, Saudi Arabia
| | - Ranjan K Mohapatra
- Department of Chemistry, Government College of Engineering, Keonjhar, India
| | - Ali A Rabaan
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
- Department of Public Health and Nutrition, The University of Haripur, Haripur, Pakistan
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Abstract
The principle of trained immunity represents innate immune memory due to sustained, mainly epigenetic, changes triggered by endogenous or exogenous stimuli in bone marrow (BM) progenitors (central trained immunity) and their innate immune cell progeny, thereby triggering elevated responsiveness against secondary stimuli. BM progenitors can respond to microbial and sterile signals, thereby possibly acquiring trained immunity-mediated long-lasting alterations that may shape the fate and function of their progeny, for example, neutrophils. Neutrophils, the most abundant innate immune cell population, are produced in the BM from committed progenitor cells in a process designated granulopoiesis. Neutrophils are the first responders against infectious or inflammatory challenges and have versatile functions in immunity. Together with other innate immune cells, neutrophils are effectors of peripheral trained immunity. However, given the short lifetime of neutrophils, their ability to acquire immunological memory may lie in the central training of their BM progenitors resulting in generation of reprogrammed, that is, "trained", neutrophils. Although trained immunity may have beneficial effects in infection or cancer, it may also mediate detrimental outcomes in chronic inflammation. Here, we review the emerging research area of trained immunity with a particular emphasis on the role of neutrophils and granulopoiesis.
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Affiliation(s)
- Lydia Kalafati
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Aikaterini Hatzioannou
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - George Hajishengallis
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Triantafyllos Chavakis
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
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Yasmeen N, Selvaraj H, Lakhawat SS, Datta M, Sharma PK, Jain A, Khanna R, Srinivasan J, Kumar V. Possibility of averting cytokine storm in SARS-COV 2 patients using specialized pro-resolving lipid mediators. Biochem Pharmacol 2023; 209:115437. [PMID: 36731803 PMCID: PMC9884647 DOI: 10.1016/j.bcp.2023.115437] [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: 12/02/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023]
Abstract
Fatal "cytokine storms (CS)" observed in critically ill COVID-19 patients are consequences of dysregulated host immune system and over-exuberant inflammatory response. Acute respiratory distress syndrome (ARDS), multi-system organ failure, and eventual death are distinctive symptoms, attributed to higher morbidity and mortality rates among these patients. Consequent efforts to save critical COVID-19 patients via the usage of several novel therapeutic options are put in force. Strategically, drugs being used in such patients are dexamethasone, remdesivir, hydroxychloroquine, etc. along with the approved vaccines. Moreover, it is certain that activation of the resolution process is important for the prevention of chronic diseases. Until recently Inflammation resolution was considered a passive process, rather it's an active biochemical process that can be achieved by the use of specialized pro-resolving mediators (SPMs). These endogenous mediators are an array of atypical lipid metabolites that include Resolvins, lipoxins, maresins, protectins, considered as immunoresolvents, but their role in COVID-19 is ambiguous. Recent evidence from studies such as the randomized clinical trial, in which omega 3 fatty acid was used as supplement to resolve inflammation in COVID-19, suggests that direct supplementation of SPMs or the use of synthetic SPM mimetics (which are still being explored) could enhance the process of resolution by regulating the aberrant inflammatory process and can be useful in pain relief and tissue remodeling. Here we discussed the biosynthesis of SPMs, & their mechanistic pathways contributing to inflammation resolution along with sequence of events leading to CS in COVID-19, with a focus on therapeutic potential of SPMs.
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Affiliation(s)
- Nusrath Yasmeen
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Harikrishnan Selvaraj
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Sudarshan S Lakhawat
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Manali Datta
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Pushpender K Sharma
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Ajay Jain
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Rakhi Khanna
- Rajasthan State Regional Forensic Science Laboratory, Kota, Rajasthan, India
| | | | - Vikram Kumar
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India.
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Putative Role of Neutrophil Extracellular Trap Formation in Chronic Myeloproliferative Neoplasms. Int J Mol Sci 2023; 24:ijms24054497. [PMID: 36901933 PMCID: PMC10003516 DOI: 10.3390/ijms24054497] [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: 02/04/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 03/03/2023] Open
Abstract
Myeloproliferative neoplasms (MPNs) are hematologic malignancies characterized by gene mutations that promote myeloproliferation and resistance to apoptosis via constitutively active signaling pathways, with Janus kinase 2-signal transducers and the activators of transcription (JAK-STAT) axis as a core part. Chronic inflammation has been described as a pivot for the development and advancement of MPNs from early stage cancer to pronounced bone marrow fibrosis, but there are still unresolved questions regarding this issue. The MPN neutrophils are characterized by upregulation of JAK target genes, they are in a state of activation and with deregulated apoptotic machinery. Deregulated neutrophil apoptotic cell death supports inflammation and steers them towards secondary necrosis or neutrophil extracellular trap (NET) formation, a trigger of inflammation both ways. NETs in proinflammatory bone marrow microenvironment induce hematopoietic precursor proliferation, which has an impact on hematopoietic disorders. In MPNs, neutrophils are primed for NET formation, and even though it seems obvious for NETs to intervene in the disease progression by supporting inflammation, no reliable data are available. We discuss in this review the potential pathophysiological relevance of NET formation in MPNs, with the intention of contributing to a better understanding of how neutrophils and neutrophil clonality can orchestrate the evolution of a pathological microenvironment in MPNs.
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Keeter WC, Moriarty AK, Akers R, Ma S, Mussbacher M, Nadler JL, Galkina EV. Neutrophil-specific STAT4 deficiency attenuates atherosclerotic burden and improves plaque stability via reduction in neutrophil activation and recruitment into aortas of Ldlr -/- mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.22.529608. [PMID: 36865098 PMCID: PMC9980123 DOI: 10.1101/2023.02.22.529608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Background and Aims Neutrophils drive atheroprogression and directly contribute to plaque instability. We recently identified signal transducer and activator of transcription 4 (STAT4) as a critical component for bacterial host defense in neutrophils. The STAT4-dependent functions of neutrophils in atherogenesis are unknown. Therefore, we investigated a contributory role of STAT4 in neutrophils during advanced atherosclerosis. Methods We generated myeloid-specific Stat4 ΔLysM Ldlr -/- , neutrophil-specific Stat4 ΔS100A8 Ldlr -/- , and control Stat4 fl/fl Ldlr -/- mice. All groups were fed a high-fat/cholesterol diet (HFD-C) for 28 weeks to establish advanced atherosclerosis. Aortic root plaque burden and stability were assessed histologically by Movat Pentachrome staining. Nanostring gene expression analysis was performed on isolated blood neutrophils. Flow cytometry was utilized to analyze hematopoiesis and blood neutrophil activation. In vivo homing of neutrophils to atherosclerotic plaques was performed by adoptively transferring prelabeled Stat4 ΔLysM Ldlr -/- and Stat4 fl/fl Ldlr -/- bone marrow cells into aged atherosclerotic Apoe -/- mice and detected by flow cytometry. Results STAT4 deficiency in both myeloid-specific and neutrophil-specific mice provided similar reductions in aortic root plaque burden and improvements in plaque stability via reduction in necrotic core size, improved fibrous cap area, and increased vascular smooth muscle cell content within the fibrous cap. Myeloid-specific STAT4 deficiency resulted in decreased circulating neutrophils via reduced production of granulocyte-monocyte progenitors in the bone marrow. Neutrophil activation was dampened in Stat4 ΔLysM Ldlr -/- mice via reduced mitochondrial superoxide production, attenuated surface expression of degranulation marker CD63, and reduced frequency of neutrophil-platelet aggregates. Myeloid-specific STAT4 deficiency diminished expression of chemokine receptors CCR1 and CCR2 and impaired in vivo neutrophil trafficking to atherosclerotic aorta. Conclusions Our work indicates a pro-atherogenic role for STAT4-dependent neutrophil activation and how it contributes to multiple factors of plaque instability during advanced atherosclerosis in mice.
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Coletto LA, Rizzo C, Guggino G, Caporali R, Alivernini S, D’Agostino MA. The Role of Neutrophils in Spondyloarthritis: A Journey across the Spectrum of Disease Manifestations. Int J Mol Sci 2023; 24:ijms24044108. [PMID: 36835520 PMCID: PMC9959122 DOI: 10.3390/ijms24044108] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 02/22/2023] Open
Abstract
Spondyloarthritis (SpA) contemplates the inflammatory involvement of the musculoskeletal system, gut, skin, and eyes, delineating heterogeneous diseases with a common pathogenetic background. In the framework of innate and adaptive immune disruption in SpA, neutrophils are arising, across different clinical domains, as pivotal cells crucial in orchestrating the pro-inflammatory response, both at systemic and tissue levels. It has been suggested they act as key players along multiple stages of disease trajectory fueling type 3 immunity, with a significant impact in the initiation and amplification of inflammation as well as in structural damage occurrence, typical of long-standing disease. The aim of our review is to focus on neutrophils' role within the spectrum of SpA, dissecting their functions and abnormalities in each of the relevant disease domains to understand their rising appeal as potential biomarkers and therapeutic targets.
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Affiliation(s)
- Lavinia Agra Coletto
- Division of Rheumatology, Università Cattolica del Sacro Cuore, Policlinico Universitario Agostino Gemelli IRCSS, 00168 Rome, Italy
- Correspondence:
| | - Chiara Rizzo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, Rheumatology Section, University of Palermo, 90127 Palermo, Italy
| | - Giuliana Guggino
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, Rheumatology Section, University of Palermo, 90127 Palermo, Italy
| | - Roberto Caporali
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Stefano Alivernini
- Division of Rheumatology, Università Cattolica del Sacro Cuore, Policlinico Universitario Agostino Gemelli IRCSS, 00168 Rome, Italy
| | - Maria Antonietta D’Agostino
- Division of Rheumatology, Università Cattolica del Sacro Cuore, Policlinico Universitario Agostino Gemelli IRCSS, 00168 Rome, Italy
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Dekant W, Antoniou EE, Bosch A, Bruer GG, Colnot T, Creutzenberg O, Drexel CP, Duffin R, Krueger N, Nolde J, Poland C, Schaudien D, Schuster TB, Stintz M, Weber K, Wessely B, Zeegers MP. Issues in the inhalation toxicity testing and hazard assessment for low density particulate materials such as synthetic amorphous silica (SAS). Toxicol Lett 2023:S0378-4274(23)00090-5. [PMID: 36806657 DOI: 10.1016/j.toxlet.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/09/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023]
Abstract
Inhalation toxicity testing of particulate materials is mandated for classification. According to CLP, particulate materials should be tested as marketed and many particulate materials are marketed as non-respirable particles. However, OECD TG 413 requires exposure to particle sizes that are respirable and reach the alveoli. The requirement for exposure of rats to respirable particles is thus in contrast to CLP and requires the application of high shear forces. The exposure to artificially small particles causes a number of issues that hamper the interpretation of the results of the testing. These issues are aerosol altering in the exposure system, assessment of the adversity of the inflammatory lung responses, inclusion of recovery groups, and extrapolation of the results to humans exposed under occupational condition. In addition, effects of many particulate materials after testing according to OECD 413 are not intrinsic properties, but a general reaction of the lung to the deposited material, show very similar NOAECs for chemical diverse materials, and often are completely reversible.
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Affiliation(s)
- Wolfgang Dekant
- Department of Toxicology, University of Würzburg, 97078 Würzburg, Germany.
| | | | - Axel Bosch
- Consultant Toxicology, 84503 Altötting, Germany
| | - Gustav Gerd Bruer
- Department of Inhalation Toxicology, Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Nikolai Fuchs Strasse 1, 30625 Hannover, Germany
| | | | - Otto Creutzenberg
- Department of Inhalation Toxicology, Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Nikolai Fuchs Strasse 1, 30625 Hannover, Germany
| | - Claus-Peter Drexel
- Evonik Operations GmbH, Smart Materials, Rodenbacher Chaussee 4, 63457 Hanau-Wolfgang, Germany
| | - Rodger Duffin
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, UK
| | - Nils Krueger
- Evonik Operations GmbH, Smart Materials, Rodenbacher Chaussee 4, 63457 Hanau-Wolfgang, Germany
| | - Jürgen Nolde
- Grace Europe Holding GmbH, In der Hollerhecke 1, 67547 Worms, Germany
| | - Craig Poland
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, UK; Regulatory Compliance Limited, 6 Dryden Road, Loanhead, Midlothian EH20 9TY, UK
| | - Dirk Schaudien
- Department of Inhalation Toxicology, Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Nikolai Fuchs Strasse 1, 30625 Hannover, Germany
| | - Tobias B Schuster
- Evonik Operations GmbH, Smart Materials, Rodenbacher Chaussee 4, 63457 Hanau-Wolfgang, Germany
| | - Michael Stintz
- Technische Universität Dresden, Institut für Verfahrenstechnik und Umwelttechnik, Dresden 01069, Germany
| | - Klaus Weber
- AnaPath Services GmbH, Buchsweg 4, 4625 Oberbuchsiten, Hammerstrasse 49, 4410 Liestal, Switzerland
| | - Benno Wessely
- Technische Universität Dresden, Institut für Verfahrenstechnik und Umwelttechnik, Dresden 01069, Germany
| | - Maurice P Zeegers
- MBP Holding, Heerlen, the Netherlands; Department of Epidemiology, Maastricht University, the Netherlands
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229
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Modulation of Beta-Amyloid-Activated Primary Human Neutrophils by Dietary Phenols from Virgin Olive Oil. Nutrients 2023; 15:nu15040941. [PMID: 36839300 PMCID: PMC9959767 DOI: 10.3390/nu15040941] [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: 01/29/2023] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
The defense mechanism against harmful stimuli is inflammation. Indeed, neurodegenerative disorders can arise as a result of a persistent neuroinflammation. Beta-amyloid (Aβ1-42) is an early trigger in the origination of Alzheimer's disease, leading to synaptic and cognitive impairments. Virgin olive oil (VOO) is correlated with a decreased risk of developing immune-inflammatory disorders, but the potential effects of the phenolic fraction (PF) from VOO in the modulation of neuroinflammatory processes in neutrophils remain unknown. In this study, we investigated the ability of the PF to modulate the activation of Aβ1-42-stimulated primary human neutrophils, focusing on the expression of gene and surface markers and the release of pro-inflammatory and chemoattractant mediators. Down-regulation of pro-inflammatory cytokine gene expression in Aβ1-42-treated neutrophils, among other changes, was reported. Furthermore, pretreatment with PF prevented neutrophil activation. The beneficial effects in the modulation of inflammatory responses show the relevance of VOO to achieve a healthier diet that can help prevent inflammatory diseases.
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230
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Neutrophil Extracellular Traps Release following Hypoxic-Ischemic Brain Injury in Newborn Rats Treated with Therapeutic Hypothermia. Int J Mol Sci 2023; 24:ijms24043598. [PMID: 36835009 PMCID: PMC9966013 DOI: 10.3390/ijms24043598] [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: 12/14/2022] [Revised: 02/01/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023] Open
Abstract
The peripheral immune system plays a critical role in neuroinflammation of the central nervous system after an insult. Hypoxic-ischemic encephalopathy (HIE) induces a strong neuroinflammatory response in neonates, which is often associated with exacerbated outcomes. In adult models of ischemic stroke, neutrophils infiltrate injured brain tissue immediately after an ischemic insult and aggravate inflammation via various mechanisms, including neutrophil extracellular trap (NETs) formation. In this study, we used a neonatal model of experimental hypoxic-ischemic (HI) brain injury and demonstrated that circulating neutrophils were rapidly activated in neonatal blood. We observed an increased infiltration of neutrophils in the brain after exposure to HI. After treatment with either normothermia (NT) or therapeutic hypothermia (TH), we observed a significantly enhanced expression level of the NETosis marker Citrullinated H3 (Cit-H3), which was significantly more pronounced in animals treated with TH than in those treated with NT. NETs and NLR family pyrin domain containing 3 (NLRP-3) inflammasome assembly are closely linked in adult models of ischemic brain injury. In this study, we observed an increase in the activation of the NLRP-3 inflammasome at the time points analyzed, particularly immediately after TH, when we observed a significant increase in NETs structures in the brain. Together, these results suggest the important pathological functions of early arriving neutrophils and NETosis following neonatal HI, particularly after TH treatment, which is a promising starting point for the development of potential new therapeutic targets for neonatal HIE.
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231
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Brown B, Ojha V, Fricke I, Al-Sheboul SA, Imarogbe C, Gravier T, Green M, Peterson L, Koutsaroff IP, Demir A, Andrieu J, Leow CY, Leow CH. Innate and Adaptive Immunity during SARS-CoV-2 Infection: Biomolecular Cellular Markers and Mechanisms. Vaccines (Basel) 2023; 11:408. [PMID: 36851285 PMCID: PMC9962967 DOI: 10.3390/vaccines11020408] [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: 12/18/2022] [Revised: 02/01/2023] [Accepted: 02/04/2023] [Indexed: 02/16/2023] Open
Abstract
The coronavirus 2019 (COVID-19) pandemic was caused by a positive sense single-stranded RNA (ssRNA) severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, other human coronaviruses (hCoVs) exist. Historical pandemics include smallpox and influenza, with efficacious therapeutics utilized to reduce overall disease burden through effectively targeting a competent host immune system response. The immune system is composed of primary/secondary lymphoid structures with initially eight types of immune cell types, and many other subtypes, traversing cell membranes utilizing cell signaling cascades that contribute towards clearance of pathogenic proteins. Other proteins discussed include cluster of differentiation (CD) markers, major histocompatibility complexes (MHC), pleiotropic interleukins (IL), and chemokines (CXC). The historical concepts of host immunity are the innate and adaptive immune systems. The adaptive immune system is represented by T cells, B cells, and antibodies. The innate immune system is represented by macrophages, neutrophils, dendritic cells, and the complement system. Other viruses can affect and regulate cell cycle progression for example, in cancers that include human papillomavirus (HPV: cervical carcinoma), Epstein-Barr virus (EBV: lymphoma), Hepatitis B and C (HB/HC: hepatocellular carcinoma) and human T cell Leukemia Virus-1 (T cell leukemia). Bacterial infections also increase the risk of developing cancer (e.g., Helicobacter pylori). Viral and bacterial factors can cause both morbidity and mortality alongside being transmitted within clinical and community settings through affecting a host immune response. Therefore, it is appropriate to contextualize advances in single cell sequencing in conjunction with other laboratory techniques allowing insights into immune cell characterization. These developments offer improved clarity and understanding that overlap with autoimmune conditions that could be affected by innate B cells (B1+ or marginal zone cells) or adaptive T cell responses to SARS-CoV-2 infection and other pathologies. Thus, this review starts with an introduction into host respiratory infection before examining invaluable cellular messenger proteins and then individual immune cell markers.
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Affiliation(s)
| | | | - Ingo Fricke
- Independent Immunologist and Researcher, 311995 Lamspringe, Germany
| | - Suhaila A Al-Sheboul
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
- Department of Medical Microbiology, International School of Medicine, Medipol University-Istanbul, Istanbul 34810, Turkey
| | | | - Tanya Gravier
- Independent Researcher, MPH, San Francisco, CA 94131, USA
| | | | | | | | - Ayça Demir
- Faculty of Medicine, Afyonkarahisar University, Istanbul 03030, Turkey
| | - Jonatane Andrieu
- Faculté de Médecine, Aix–Marseille University, 13005 Marseille, France
| | - Chiuan Yee Leow
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, USM, Penang 11800, Malaysia
| | - Chiuan Herng Leow
- Institute for Research in Molecular Medicine, (INFORMM), Universiti Sains Malaysia, USM, Penang 11800, Malaysia
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232
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Joshi I, Carney WP, Rock EP. Utility of monocyte HLA-DR and rationale for therapeutic GM-CSF in sepsis immunoparalysis. Front Immunol 2023; 14:1130214. [PMID: 36825018 PMCID: PMC9942705 DOI: 10.3389/fimmu.2023.1130214] [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: 12/23/2022] [Accepted: 01/16/2023] [Indexed: 02/09/2023] Open
Abstract
Sepsis, a heterogeneous clinical syndrome, features a systemic inflammatory response to tissue injury or infection, followed by a state of reduced immune responsiveness. Measurable alterations occur in both the innate and adaptive immune systems. Immunoparalysis, an immunosuppressed state, associates with worsened outcomes, including multiple organ dysfunction syndrome, secondary infections, and increased mortality. Multiple immune markers to identify sepsis immunoparalysis have been proposed, and some might offer clinical utility. Sepsis immunoparalysis is characterized by reduced lymphocyte numbers and downregulation of class II human leukocyte antigens (HLA) on innate immune monocytes. Class II HLA proteins present peptide antigens for recognition by and activation of antigen-specific T lymphocytes. One monocyte class II protein, mHLA-DR, can be measured by flow cytometry. Downregulated mHLA-DR indicates reduced monocyte responsiveness, as measured by ex-vivo cytokine production in response to endotoxin stimulation. Our literature survey reveals low mHLA-DR expression on peripheral blood monocytes correlates with increased risks for infection and death. For mHLA-DR, 15,000 antibodies/cell appears clinically acceptable as the lower limit of immunocompetence. Values less than 15,000 antibodies/cell are correlated with sepsis severity; and values at or less than 8000 antibodies/cell are identified as severe immunoparalysis. Several experimental immunotherapies have been evaluated for reversal of sepsis immunoparalysis. In particular, sargramostim, a recombinant human granulocyte-macrophage colony-stimulating factor (rhu GM-CSF), has demonstrated clinical benefit by reducing hospitalization duration and lowering secondary infection risk. Lowered infection risk correlates with increased mHLA-DR expression on peripheral blood monocytes in these patients. Although mHLA-DR has shown promising utility for identifying sepsis immunoparalysis, absence of a standardized, analytically validated method has thus far prevented widespread adoption. A clinically useful approach for patient inclusion and identification of clinically correlated output parameters could address the persistent high unmet medical need for effective targeted therapies in sepsis.
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Affiliation(s)
- Ila Joshi
- Development and Regulatory Department, Partner Therapeutics, Inc., Lexington, MA, United States,*Correspondence: Ila Joshi,
| | - Walter P. Carney
- Walt Carney Biomarkers Consulting, LLC., North Andover, MA, United States
| | - Edwin P. Rock
- Development and Regulatory Department, Partner Therapeutics, Inc., Lexington, MA, United States
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233
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Saghir SAM, Al Hroob AM, Majrashi KA, Jaber FA, Abduh MS, Al-Gabri N, Albaqami NM, Abdelnour SA, Alqhtani AH, Abd El-Hack ME, Swelum AA, Simal-Gandara J. Effects of alginates on the growth, haematological, immunity, antioxidant and pro-inflammatory responses of rabbits under high temperature. Res Vet Sci 2023; 155:36-43. [PMID: 36634540 DOI: 10.1016/j.rvsc.2023.01.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 12/29/2022] [Accepted: 01/03/2023] [Indexed: 01/07/2023]
Abstract
Heat stress (HS) is one of the most severe hurdles impacting rabbit growth, immunity, homeostasis, and productivity. Alginate oligosaccharides (AOS) have considerable beneficial effects due to their plausible antioxidant and immune-stimulatory properties. This work was planned to explore the preventive function of AOS as a new bio-feed additive against the harmful effects caused by environmental HS on growing rabbits. Rabbits were allotted in four experimental groups (25 animals in each group) and fed on a basal diet supplemented with 0.0 (AOS0), 50 (AOS50), 100 (AOS100), and 150 (AOS150) mg AOS/kg diet reared under summer conditions. Dietary AOS supplementation improved significantly (P ≤ 0.001) feed conversion rate, while both AOS100 and AOS150 significantly (P ≤ 0.001) enhanced the final body weight and body weight gain. All AOS addition significantly increased nitric oxide and lysosome activity and significantly reduced interferon-gamma (IFNγ) compared with those in the control group. Tumor necrosis factor α (TNFα), interleukin1β (IL-1β), myeloperoxidase and protein carbonyl levels were significantly reduced in rabbits fed diets containing AOS (100 and 150 mg/kg) compared with those in the control group under heat stress conditions. In addition, glutathione (GSH) and catalase (CAT) were significantly (P ≤ 0.001) improved with increasing AOS dietary levels compared with the control group. Still, total antioxidant capacity (TAC), malondialdehyde (MDA), hematocrit, mean corpuscular volume (MCV), eosinophils, and lymphocytes did not change. Erythrocyte's indices improved significantly (P ≤ 0.001), while neutrophils and white blood cell counts were decreased by dietary AOS inclusion. Immunological (IgM and IgG) were markedly reduced in AOS-treated groups compared with the control group. The current investigation exemplified that AOS as a novel bio-feed additive that could be an effective strategy to extenuate prejudicial effects in heat-stressed rabbits via enhancing immunity, and antioxidant defence system, further regulating the inflammation cytokines.
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Affiliation(s)
- Sultan A M Saghir
- Department of Medical Analysis, Princess Aisha Bint Al-Hussein College of Nursing and Medical Sciences, Al-Hussein Bin Talal University, Ma'an, Jordan
| | - Amir M Al Hroob
- Department of Medical Analysis, Princess Aisha Bint Al-Hussein College of Nursing and Medical Sciences, Al-Hussein Bin Talal University, Ma'an, Jordan
| | - Kamlah A Majrashi
- Biological Sciences Department, College of Science & Arts, King Abdulaziz University, Rabigh 21911, Saudi Arabia
| | - Fatima A Jaber
- Department of Biology, Faculty of Sciences, University of Jeddah, Jeddah 21959, Saudi Arabia
| | - Maisa S Abduh
- Immune Responses in Different Diseases Research Group, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Naif Al-Gabri
- Department of Pathology, Faculty of Veterinary Medicine, Thamar University, Dhamar, Yemen; Laboratory of Salam Veterinary Group, Buraydah, Al-Qassim, Saudi Arabia
| | - Najah M Albaqami
- Department of Biological Sciences, Zoology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Sameh A Abdelnour
- Animal Production Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Abdulmohsen H Alqhtani
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Mohamed E Abd El-Hack
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Ayman A Swelum
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia.
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Analytical Chemistry and Food Science Department, Faculty of Science, E32004, Ourense, Spain.
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234
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Murotomi K, Umeno A, Shichiri M, Tanito M, Yoshida Y. Significance of Singlet Oxygen Molecule in Pathologies. Int J Mol Sci 2023; 24:ijms24032739. [PMID: 36769060 PMCID: PMC9917472 DOI: 10.3390/ijms24032739] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/22/2023] [Accepted: 01/26/2023] [Indexed: 02/04/2023] Open
Abstract
Reactive oxygen species, including singlet oxygen, play an important role in the onset and progression of disease, as well as in aging. Singlet oxygen can be formed non-enzymatically by chemical, photochemical, and electron transfer reactions, or as a byproduct of endogenous enzymatic reactions in phagocytosis during inflammation. The imbalance of antioxidant enzymes and antioxidant networks with the generation of singlet oxygen increases oxidative stress, resulting in the undesirable oxidation and modification of biomolecules, such as proteins, DNA, and lipids. This review describes the molecular mechanisms of singlet oxygen production in vivo and methods for the evaluation of damage induced by singlet oxygen. The involvement of singlet oxygen in the pathogenesis of skin and eye diseases is also discussed from the biomolecular perspective. We also present our findings on lipid oxidation products derived from singlet oxygen-mediated oxidation in glaucoma, early diabetes patients, and a mouse model of bronchial asthma. Even in these diseases, oxidation products due to singlet oxygen have not been measured clinically. This review discusses their potential as biomarkers for diagnosis. Recent developments in singlet oxygen scavengers such as carotenoids, which can be utilized to prevent the onset and progression of disease, are also described.
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Affiliation(s)
- Kazutoshi Murotomi
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8566, Japan
| | - Aya Umeno
- Department of Ophthalmology, Shimane University Faculty of Medicine, Izumo 693-8501, Japan
| | - Mototada Shichiri
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda 563-8577, Japan
- Correspondence: ; Tel.: +81-72-751-8234
| | - Masaki Tanito
- Department of Ophthalmology, Shimane University Faculty of Medicine, Izumo 693-8501, Japan
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235
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Shakya S, Pyles KD, Albert CJ, Patel RP, McCommis KS, Ford DA. Myeloperoxidase-derived hypochlorous acid targets human airway epithelial plasmalogens liberating protein modifying electrophilic 2-chlorofatty aldehydes. Redox Biol 2023; 59:102557. [PMID: 36508858 PMCID: PMC9763693 DOI: 10.1016/j.redox.2022.102557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 11/25/2022] [Indexed: 12/12/2022] Open
Abstract
Neutrophil and airway epithelial cell interactions are critical in the inflammatory response to viral infections including respiratory syncytial virus, Sendai virus, and SARS-CoV-2. Airway epithelial cell dysfunction during viral infections is likely mediated by the interaction of virus and recruited neutrophils at the airway epithelial barrier. Neutrophils are key early responders to viral infection. Neutrophil myeloperoxidase catalyzes the conversion of hydrogen peroxide to hypochlorous acid (HOCl). Previous studies have shown HOCl targets host neutrophil and endothelial cell plasmalogen lipids, resulting in the production of the chlorinated lipid, 2-chlorofatty aldehyde (2-ClFALD). We have previously shown that the oxidation product of 2-ClFALD, 2-chlorofatty acid (2-ClFA) is present in bronchoalveolar lavage fluid of Sendai virus-infected mice, which likely results from the attack of the epithelial plasmalogen by neutrophil-derived HOCl. Herein, we demonstrate small airway epithelial cells contain plasmalogens enriched with oleic acid at the sn-2 position unlike endothelial cells which contain arachidonic acid enrichment at the sn-2 position of plasmalogen. We also show neutrophil-derived HOCl targets epithelial cell plasmalogens to produce 2-ClFALD. Further, proteomics and over-representation analysis using the ω-alkyne analog of the 2-ClFALD molecular species, 2-chlorohexadecanal (2-ClHDyA) showed cell adhesion molecule binding and cell-cell junction enriched categories similar to that observed previously in endothelial cells. However, in contrast to endothelial cells, proteins in distinct metabolic pathways were enriched with 2-ClFALD modification, particularly pyruvate metabolism was enriched in epithelial cells and mitochondrial pyruvate respiration was reduced. Collectively, these studies demonstrate, for the first time, a novel plasmalogen molecular species distribution in airway epithelial cells that are targeted by myeloperoxidase-derived hypochlorous acid resulting in electrophilic 2-ClFALD, which potentially modifies epithelial physiology by modifying proteins.
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Affiliation(s)
- Shubha Shakya
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA; Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA
| | - Kelly D Pyles
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA; Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA
| | - Carolyn J Albert
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA; Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA
| | - Rakesh P Patel
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA; Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Kyle S McCommis
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA; Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA
| | - David A Ford
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA; Center for Cardiovascular Research, Saint Louis University School of Medicine, St. Louis, MO, 63104, USA.
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236
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Downs CJ, Schoenle LA, Goolsby EW, Oakey SJ, Ball R, Jiang RHY, Martin LB. Large Mammals Have More Powerful Antibacterial Defenses Than Expected from Their Metabolic Rates. Am Nat 2023; 201:287-301. [PMID: 36724463 DOI: 10.1086/722504] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
AbstractTerrestrial mammals span seven orders of magnitude in body size, ranging from the <2-g Etruscan pygmy shrew (Suncus etruscus) to the >3,900-kg African elephant (Loxodonta africana). Although body size profoundly affects the behavior, physiology, ecology, and evolution of species, how investment in functional immune defenses changes with body size across species is unknown. Here, we (1) developed a novel 12-point dilution curve approach to describe and compare antibacterial capacity against three bacterial species among >160 terrestrial species of mammals and (2) tested published predictions about the scaling of immune defenses. Our study focused on the safety factor hypothesis, which predicts that broad, early-acting immune defenses should scale hypermetrically with body mass. However, our three statistical approaches demonstrated that antibacterial activity in sera across mammals exhibits isometry; killing capacity did not change with body size across species. Intriguingly, this result indicates that the serum of a large mammal is less hospitable to bacteria than would be predicted by its metabolic rates. In other words, if metabolic rates underlie the rates of physiological reactions as postulated by the metabolic theory of ecology, large species should have disproportionately lower antibacterial capacity than small species, but they do not. These results have direct implications for effectively modeling the evolution of immune defenses and identifying potential reservoir hosts of pathogens.
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237
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The Abundance and Function of Neutrophils in the Endometriosis Systemic and Pelvic Microenvironment. Mediators Inflamm 2023; 2023:1481489. [PMID: 36762287 PMCID: PMC9904898 DOI: 10.1155/2023/1481489] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/07/2022] [Accepted: 12/16/2022] [Indexed: 02/03/2023] Open
Abstract
Endometriosis is a common inflammatory illness in which endometrial tissue grows outside the uterine cavity. Immune dysfunction is now widely acknowledged as the primary cause of endometriosis. The immune cell population represented by neutrophils is thought to play an essential role in the etiology, pathophysiology, and associated clinical outcome. There is growing evidence that neutrophils have a role in chronic and aseptic inflammatory diseases, and endometriosis patients have increased levels of neutrophils in plasma, peritoneal fluid, and ectopic endometrium. Here, we sought to review the function of neutrophils in the pathogenesis of endometriosis, with an emphasis on the role of neutrophils in regulating endometrial angiogenesis and the local inflammatory microenvironment.
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238
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Role of Annexin A1 Secreted by Neutrophils in Melanoma Metastasis. Cells 2023; 12:cells12030425. [PMID: 36766767 PMCID: PMC9913423 DOI: 10.3390/cells12030425] [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: 12/15/2022] [Revised: 01/16/2023] [Accepted: 01/23/2023] [Indexed: 01/31/2023] Open
Abstract
Annexin A1 (AnxA1) is highly secreted by neutrophils and binds to formyl peptide receptors (FPRs) to trigger anti-inflammatory effects and efferocytosis. AnxA1 is also expressed in the tumor microenvironment, being mainly attributed to cancer cells. As recruited neutrophils are player cells at the tumor sites, the role of neutrophil-derived AnxA1 in lung melanoma metastasis was investigated here. Melanoma cells and neutrophils expressing AnxA1 were detected in biopsies from primary melanoma patients, which also presented higher levels of serum AnxA1 and augmented neutrophil-lymphocyte ratio (NLR) in the blood. Lung melanoma metastatic mice (C57BL/6; i.v. injected B16F10 cells) showed neutrophilia, elevated AnxA1 serum levels, and higher labeling for AnxA1 in neutrophils than in tumor cells at the lungs with metastasis. Peritoneal neutrophils collected from naïve mice were co-cultured with B16F10 cells or employed to obtain neutrophil-conditioned medium (NCM; 18 h incubation). B16F10 cells co-cultured with neutrophils or with NCM presented higher invasion, which was abolished if B16F10 cells were previously incubated with FPR antagonists or co-cultured with AnxA1 knockout (AnxA1-/-) neutrophils. The depletion of peripheral neutrophils during lung melanoma metastasis development (anti-Gr1; i.p. every 48 h for 21 days) reduced the number of metastases and AnxA1 serum levels in mice. Our findings show that AnxA1 secreted by neutrophils favors melanoma metastasis evolution via FPR pathways, addressing AnxA1 as a potential biomarker for the detection or progression of melanoma.
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239
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Mohapatra A, Rajendrakumar SK, Chandrasekaran G, Revuri V, Sathiyamoorthy P, Lee YK, Lee JH, Choi SY, Park IK. Biomineralized Nanoscavenger Abrogates Proinflammatory Macrophage Polarization and Induces Neutrophil Clearance through Reverse Migration during Gouty Arthritis. ACS APPLIED MATERIALS & INTERFACES 2023; 15:3812-3825. [PMID: 36646643 DOI: 10.1021/acsami.2c19684] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The deposition of monosodium urate (MSU) crystals induces the overexpression of reactive oxygen species (ROS) and proinflammatory cytokines in residential macrophages, further promoting the infiltration of inflammatory leukocytes in the joints of gouty arthritis. Herein, a peroxidase-mimicking nanoscavenger was developed by forming manganese dioxide over albumin nanoparticles loaded with an anti-inflammatory drug, indomethacin (BIM), to block the secretion of ROS and COX2-induced proinflammatory cytokines in the MSU-induced gouty arthritis model. In the MSU-induced arthritis mouse model, the BIM nanoparticles alleviated joint swelling, which is attributed to the abrogation of ROS and inflammatory cytokine secretions from proinflammatory macrophages that induces neutrophil infiltration and fluid building up in the inflammation site. Further, the BIM nanoparticle treatment reduced the influx of macrophages and neutrophils in the injured region by blocking migration and inducing reverse migration in the zebrafish larva tail amputation model as well as in MSU-induced peritonitis and air pouch mouse models. Overall, the current strategy of employing biomineralized nanoscavengers for arthritis demonstrates clinical significance in dual blocking of peroxides and COX2 to prevent influx of inflammatory cells into the sites of inflammation.
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Affiliation(s)
- Adityanarayan Mohapatra
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - Santhosh Kalash Rajendrakumar
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
- Department of Chemistry, University of Warwick, CoventryCV4 7AL, United Kingdom
| | - Gopalakrishnan Chandrasekaran
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - Vishnu Revuri
- Department of Green Bioengineering, Korea National University of Transportation, Chungju27470, Republic of Korea
| | - Padmanaban Sathiyamoorthy
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - Yong-Kyu Lee
- Department of Green Bioengineering, Korea National University of Transportation, Chungju27470, Republic of Korea
| | - Jae Hyuk Lee
- Department of Pathology, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - Seok-Yong Choi
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - In-Kyu Park
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
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Alonso-Bernáldez M, Cuevas-Sierra A, Micó V, Higuera-Gómez A, Ramos-Lopez O, Daimiel L, Dávalos A, Martínez-Urbistondo M, Moreno-Torres V, Ramirez de Molina A, Vargas JA, Martinez JA. An Interplay between Oxidative Stress (Lactate Dehydrogenase) and Inflammation (Anisocytosis) Mediates COVID-19 Severity Defined by Routine Clinical Markers. Antioxidants (Basel) 2023; 12:antiox12020234. [PMID: 36829793 PMCID: PMC9951932 DOI: 10.3390/antiox12020234] [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: 12/14/2022] [Revised: 01/04/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
Viral infections activate the innate immune response and the secretion of inflammatory cytokines. They also alter oxidative stress markers, which potentially can have an involvement in the pathogenesis of the disease. The aim of this research was to study the role of the oxidative stress process assessed through lactate dehydrogenase (LDH) on the severity of COVID-19 measured by oxygen saturation (SaO2) and the putative interaction with inflammation. The investigation enrolled 1808 patients (mean age of 68 and 60% male) with COVID-19 from the HM Hospitals database. To explore interactions, a regression model and mediation analyses were performed. The patients with lower SaO2 presented lymphopenia and higher values of neutrophils-to-lymphocytes ratio and on the anisocytosis coefficient. The regression model showed an interaction between LDH and anisocytosis, suggesting that high levels of LDH (>544 U/L) and an anisocytosis coefficient higher than 10% can impact SaO2 in COVID-19 patients. Moreover, analysis revealed that LDH mediated 41% (p value = 0.001) of the effect of anisocytosis on SaO2 in this cohort. This investigation revealed that the oxidative stress marker LDH and the interaction with anisocytosis have an important role in the severity of COVID-19 infection and should be considered for the management and treatment of the oxidative phenomena concerning this within a precision medicine strategy.
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Affiliation(s)
- Marta Alonso-Bernáldez
- Precision Nutrition and Cardiometabolic Health, IMDEA Food Institute, CEI UAM+CSIC, 28049 Madrid, Spain
- Correspondence: (M.A.-B.); (A.C.-S.)
| | - Amanda Cuevas-Sierra
- Precision Nutrition and Cardiometabolic Health, IMDEA Food Institute, CEI UAM+CSIC, 28049 Madrid, Spain
- Correspondence: (M.A.-B.); (A.C.-S.)
| | - Víctor Micó
- Precision Nutrition and Cardiometabolic Health, IMDEA Food Institute, CEI UAM+CSIC, 28049 Madrid, Spain
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28049 Madrid, Spain
| | - Andrea Higuera-Gómez
- Precision Nutrition and Cardiometabolic Health, IMDEA Food Institute, CEI UAM+CSIC, 28049 Madrid, Spain
| | - Omar Ramos-Lopez
- Medicine and Psychology School, Autonomous University of Baja California, Tijuana 22390, Mexico
| | - Lidia Daimiel
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28049 Madrid, Spain
- Nutritional Control of the Epigenome Group, IMDEA Food Institute, CEI UAM+CSIC, 28049 Madrid, Spain
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, Spain
| | - Alberto Dávalos
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28049 Madrid, Spain
- Epigenetics of Lipid Metabolism Group, IMDEA Food Institute, CEI UAM+CSIC, 28049 Madrid, Spain
| | | | - Víctor Moreno-Torres
- Puerta de Hierro Research Institute, University Hospital, Majadahonda, 28222 Madrid, Spain
- UNIR Health Sciences School Medical Center, Pozuelo de Alarcón, 28040 Madrid, Spain
| | - Ana Ramirez de Molina
- Molecular Oncology and Nutritional Genomics of Cancer Group, IMDEA Food Institute, CEI UAM+CSIC, 28049 Madrid, Spain
| | - Juan Antonio Vargas
- Puerta de Hierro Research Institute, University Hospital, Majadahonda, 28222 Madrid, Spain
| | - J. Alfredo Martinez
- Precision Nutrition and Cardiometabolic Health, IMDEA Food Institute, CEI UAM+CSIC, 28049 Madrid, Spain
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28049 Madrid, Spain
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241
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Kaufmann T, Simon HU. Pharmacological Induction of Granulocyte Cell Death as Therapeutic Strategy. Annu Rev Pharmacol Toxicol 2023; 63:231-247. [PMID: 36028226 DOI: 10.1146/annurev-pharmtox-051921-115130] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Apoptosis is central for the maintenance of health. In the immune system, apoptosis guarantees proper development of immune cells and shutdown of immune reactions by the coordinated elimination of activated immune cells. Limitation of the life span of granulocytes is important, as overactivation of these cells is associated with chronic inflammation and collateral tissue damage. Consequently, targeted induction of granulocyte apoptosis may be beneficial in the course of respective immune disorders. Anti-inflammatory drugs such as glucocorticoids and monoclonal antibodies against IL-5Rα exert their function in part by triggering eosinophil apoptosis. Agonistic antibodies targeting Siglec-8 or death receptors are tested (pre)clinically. Moreover, a new class of inhibitors targeting antiapoptotic BCL-2 proteins shows great promise for anticancer treatments. Because of their specificity and tolerable side effects, these so-called BH3 mimetics may be worthwhile to evaluate in inflammatory disorders. Here, we review past and recent data on pharmacological apoptosis induction of granulocytes and highlight respective therapeutic potential.
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Affiliation(s)
- Thomas Kaufmann
- Institute of Pharmacology, University of Bern, Bern, Switzerland; ,
| | - Hans-Uwe Simon
- Institute of Pharmacology, University of Bern, Bern, Switzerland; , .,Department of Clinical Immunology and Allergology, Sechenov University, Moscow, Russia.,Laboratory of Molecular Immunology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia.,Brandenburg Medical School, Neuruppin, Germany
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242
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Peng D, Chen Y, Sun Y, Zhang Z, Cui N, Zhang W, Qi Y, Zeng Y, Hu B, Yang B, Wang Q, Kuang H. Saikosaponin A and Its Epimers Alleviate LPS-Induced Acute Lung Injury in Mice. Molecules 2023; 28:molecules28030967. [PMID: 36770631 PMCID: PMC9919285 DOI: 10.3390/molecules28030967] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/05/2023] [Accepted: 01/13/2023] [Indexed: 01/21/2023] Open
Abstract
The purpose of this work was to illustrate the effect of processing with vinegar on saikosaponins of Bupleurum chinense DC. (BC) and the protective effects of saikosaponin A (SSA), saikosaponin b1 (SSb1), saikosaponin b2 (SSb2), and saikosaponin D (SSD) in lipopolysaccharide (LPS)-induced acute lung injury (ALI) mice. We comprehensively evaluated the anti-inflammatory effects and potential mechanisms of SSA, SSb1, SSb2, and SSD through an LPS-induced ALI model using intratracheal injection. The results showed that SSA, SSb1, SSb2, and SSD significantly decreased pulmonary edema; reduced the levels of IL-6, TNF-α, and IL-1β in serum and lung tissues; alleviated pulmonary pathological damage; and decreased the levels of the IL-6, TNF-α, and IL-1β genes and the expression of NF-κB/TLR4-related proteins. Interestingly, they were similar in structure, but SSb2 had a better anti-inflammatory effect at the same dose, according to a principal component analysis. These findings indicated that it may not have been comprehensive to only use SSA and SSD as indicators to evaluate the quality of BC, especially as the contents of SSb1 and SSb2 in vinegar-processed BC were significantly increased.
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Affiliation(s)
- Donghui Peng
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Harbin 150040, China
| | - Yuchan Chen
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Harbin 150040, China
| | - Yanping Sun
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Harbin 150040, China
| | - Zhihong Zhang
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Harbin 150040, China
| | - Na Cui
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Harbin 150040, China
| | - Wensen Zhang
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Harbin 150040, China
| | - Ying Qi
- Guangdong Engineering Technology Research Center for Standardized Processing of Chinese Materia Medica, Science and Technology Department of Guangdong Province, Guangdong Pharmaceutical University, No. 280, Waihuan East Road, Guangzhou 510006, China
| | - Yuanning Zeng
- Guangdong Engineering Technology Research Center for Standardized Processing of Chinese Materia Medica, Science and Technology Department of Guangdong Province, Guangdong Pharmaceutical University, No. 280, Waihuan East Road, Guangzhou 510006, China
| | - Bin Hu
- National Engineering Research Center for Modernization of Traditional Chinese Medicine-Hakka Medical Resources Branch, School of Pharmacy, Gannan Medical University, No. 1, Medical College Road, Ganzhou 341004, China
| | - Bingyou Yang
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Harbin 150040, China
| | - Qiuhong Wang
- Guangdong Engineering Technology Research Center for Standardized Processing of Chinese Materia Medica, Science and Technology Department of Guangdong Province, Guangdong Pharmaceutical University, No. 280, Waihuan East Road, Guangzhou 510006, China
- Correspondence: (Q.W.); (H.K.)
| | - Haixue Kuang
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Harbin 150040, China
- Correspondence: (Q.W.); (H.K.)
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243
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Zhou Q, Deng G, Wang Z, Dai G. Preoperative lung immune prognostic index predicts survival in patients with pancreatic cancer undergoing radical resection. Front Surg 2023; 9:1002075. [PMID: 36684178 PMCID: PMC9852768 DOI: 10.3389/fsurg.2022.1002075] [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: 07/24/2022] [Accepted: 12/05/2022] [Indexed: 01/08/2023] Open
Abstract
Background Lung immune prognostic index (LIPI), a combination of derived neutrophil-to-lymphocyte ratio (dNLR) and lactate dehydrogenase (LDH), is currently attracting considerable interest as a potential prognostic indicator in many malignancies. Our study aimed to investigate the prognostic value of preoperative LIPI in patients with pancreatic ductal adenocarcinoma (PDAC) undergoing radical resection. Methods We retrospectively reviewed PDAC patients treated with radical resection from February 2019 to April 2021 at Chinese People's Liberation Army (PLA) general hospital. Based on the cut-off value of dNLR and LDH identified by X-tile, patients were divided into LIPI good and LIPI intermediate/poor group. Kaplan-Meier curve and log-rank test were used to compare the recurrence-free survival (RFS) and overall survival (OS) of the two groups. Univariate and multivariate Cox regression was used to identify the independent prognostic value of LIPI. Subgroup analysis was performed to identify specific population benefited from radical resection. Results A total of 205 patients were included and the median RFS and OS was 10.8 and 24.3 months, respectively. Preoperative LIPI intermediate/poor was related to worse RFS and OS (p < 0.05). Preoperative LIPI intermediate/poor, vascular invasion and no adjuvant chemotherapy were indicators of poor OS. Patients with LIPI intermediate/poor had worse OS especially among females and those with adjuvant chemotherapy (p < 0.05). Adjuvant chemotherapy related to better RFS and OS in patients with LIPI good (p < 0.05). Conclusions Preoperative LIPI intermediate/poor can be an indicator of poor prognosis in patients with PDAC undergoing radical resection. LIPI good could be an effective marker of benefit from adjuvant chemotherapy. Larger studies are warranted for further validation.
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Affiliation(s)
- Qian Zhou
- Department of Oncology, Medical School of Chinese People’s Liberation Army (PLA), Beijing, China,Department of Medical Oncology, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Guochao Deng
- School of Medicine, Nankai University, Tianjin, China,Department of Medical Oncology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhikuan Wang
- Department of Medical Oncology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China,Correspondence: Zhikuan Wang Guanghai Dai
| | - Guanghai Dai
- Department of Oncology, Medical School of Chinese People’s Liberation Army (PLA), Beijing, China,Department of Medical Oncology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China,Correspondence: Zhikuan Wang Guanghai Dai
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244
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Salinas C, Barriga K, Albornoz A, Alarcon P, Quiroga J, Uberti B, Sarmiento J, Henriquez C, Ehrenfeld P, Burgos RA, Moran G. Tamoxifen triggers the in vitro release of neutrophil extracellular traps in healthy horses. Front Vet Sci 2023; 9:1025249. [PMID: 36686170 PMCID: PMC9853556 DOI: 10.3389/fvets.2022.1025249] [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: 08/22/2022] [Accepted: 12/08/2022] [Indexed: 01/07/2023] Open
Abstract
Neutrophils display an array of biological functions including the formation of neutrophil extracellular traps (NETs), web-like structures specialized in trapping, neutralizing, killing and preventing microbial dissemination within the host. However, NETs contribute to a number of inflammatory pathologies, including severe equine asthma. Tamoxifen (TX) is a selective estrogen receptor modulator which belongs to the triphenylethyllenes group of molecules, and which is used as a treatment in all stages of estrogen-positive human breast cancer. Our previous results suggest that tamoxifen can modulate neutrophil functionality and promote resolution of inflammation; this would partly explain the clinical beneficial effect of this drug in horses with airway inflammation. Enhanced NETs production has been reported with tamoxifen use in humans, but minimal data exists regarding the drug's effect on NETs in horses. The aim of this study is to assess the in vitro effect of TX on NETs formation from peripheral blood of healthy horses. Five clinically healthy mixed-breed adult horses were enrolled in the study. For this, cellular free DNA quantification, immunofluorescence for the visualization of NETs, assessment of different types of NETs, and detection of mitochondrial superoxide. TX induced NETs formation at a concentration of 10 uM. Our results show that only two types of NETs were induced by TX: 95% spread NETs (sprNETs) and 5% aggregated NETs (aggNETs). Furthermore, induction of these NETs could be influenced by mitochondrial ROS. Future research should involve an In vivo study of horses with severe asthma and TX treatment, to evaluate BALF neutrophil NET formation. In conclusion, this in vitro study suggests that the resolution of inflammation by TX in horses with airway inflammation is due to inhibition of other neutrophilic functions but not to NET formation.
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Affiliation(s)
- Constanza Salinas
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Kassandra Barriga
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Alejandro Albornoz
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Pablo Alarcon
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - John Quiroga
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Benjamín Uberti
- Instituto de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - José Sarmiento
- Instituto de Fisiología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Claudio Henriquez
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Pamela Ehrenfeld
- Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Rafael A. Burgos
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Gabriel Moran
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile,*Correspondence: Gabriel Moran ✉
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Chan L, Wood GA, Wootton SK, Bridle BW, Karimi K. Neutrophils in Dendritic Cell-Based Cancer Vaccination: The Potential Roles of Neutrophil Extracellular Trap Formation. Int J Mol Sci 2023; 24:ijms24020896. [PMID: 36674412 PMCID: PMC9866544 DOI: 10.3390/ijms24020896] [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: 11/18/2022] [Revised: 12/22/2022] [Accepted: 12/28/2022] [Indexed: 01/06/2023] Open
Abstract
Neutrophils have conflicting roles in the context of cancers, where they have been associated with contributing to both anti-tumor and pro-tumor responses. Their functional heterogenicity is plastic and can be manipulated by environmental stimuli, which has fueled an area of research investigating therapeutic strategies targeting neutrophils. Dendritic cell (DC)-based cancer vaccination is an immunotherapy that has exhibited clinical promise but has shown limited clinical efficacy. Enhancing our understanding of the communications occurring during DC cancer vaccination can uncover opportunities for enhancing the DC vaccine platform. There have been observed communications between neutrophils and DCs during natural immune responses. However, their crosstalk has been poorly studied in the context of DC vaccination. Here, we review the dual functionality of neutrophils in the context of cancers, describe the crosstalk between neutrophils and DCs during immune responses, and discuss their implications in DC cancer vaccination. This discussion will focus on how neutrophil extracellular traps can influence immune responses in the tumor microenvironment and what roles they may play in promoting or hindering DC vaccine-induced anti-tumor efficacy.
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Affiliation(s)
- Lily Chan
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Geoffrey A. Wood
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Sarah K. Wootton
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Byram W. Bridle
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada
- ImmunoCeutica Inc., Cambridge, ON N1T 1N6, Canada
| | - Khalil Karimi
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada
- Correspondence: ; Tel.: +1-(519)-824-4120 (ext. 54668)
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Friedmann-Morvinski D, Hambardzumyan D. Monocyte-neutrophil entanglement in glioblastoma. J Clin Invest 2023; 133:163451. [PMID: 36594465 PMCID: PMC9797336 DOI: 10.1172/jci163451] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Glioblastoma (GBM) is the most belligerent and frequent brain tumor in adults. Research over the past two decades has provided increased knowledge of the genomic and molecular landscape of GBM and highlighted the presence of a high degree of inter- and intratumor heterogeneity within the neoplastic compartment. It is now appreciated that GBMs are composed of multiple distinct and impressionable neoplastic and non-neoplastic cell types that form the unique brain tumor microenvironment (TME). Non-neoplastic cells in the TME form reciprocal interactions with neoplastic cells to promote tumor growth and invasion, and together they influence the tumor response to standard-of-care therapies as well as emerging immunotherapies. One of the most prevalent non-neoplastic cell types in the GBM TME are myeloid cells, the most abundant of which are of hematopoietic origin, including monocytes/monocyte-derived macrophages. Less abundant, although still a notable presence, are neutrophils of hematopoietic origin and intrinsic brain-resident microglia. In this Review we focus on neutrophils and monocytes that infiltrate tumors from the blood circulation, their heterogeneity, and their interactions with neoplastic cells and other non-neoplastic cells in the TME. We conclude with an overview of challenges in targeting these cells and discuss avenues for therapeutic exploitation to improve the dismal outcomes of patients with GBM.
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Affiliation(s)
- Dinorah Friedmann-Morvinski
- School of Neurobiology, Biochemistry and Biophysics, George S. Wise Faculty of Life Sciences, and,Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Dolores Hambardzumyan
- Department of Oncological Sciences, Tisch Cancer Institute, and,Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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SAITO S, KELEL M. Oral administration of Lacticaseibacillus casei ATCC393 promotes angiogenesis by enhancing neutrophil activity in a murine hind-limb ischemia model. BIOSCIENCE OF MICROBIOTA, FOOD AND HEALTH 2023; 42:94-99. [PMID: 36660599 PMCID: PMC9816049 DOI: 10.12938/bmfh.2022-038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 09/13/2022] [Indexed: 01/01/2023]
Abstract
Angiogenesis is a highly regulated biological event and requires the participation of neutrophils, which are innate immune cells, to initiate the systematic responses. Some strains of lactic acid bacteria (LAB) can be used for probiotics that provide functional modifications in our immune systems. Here, we show that oral administration of Lacticaseibacillus casei ATCC393 promoted inflammatory angiogenesis accompanied by enhanced neutrophil activity. Heat-killed L. casei (HK-LC) administration improved angiogenesis in a murine hind-limb ischemia (HLI) model. The recruitment and activity of neutrophils were enhanced by HK-LC administration under the HLI conditions. Our results provide novel evidence of an immunological contribution of LAB uptake in the prevention of or recovery from cardiovascular diseases.
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Affiliation(s)
- Suguru SAITO
- Institute of Biomedical Sciences (IBMS), Academia Sinica, 128
Academia Road, Section 2, Nankang, Taipei 115, Taiwan,Division of Virology, Department of Infection and Immunity,
Faculty of Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke-shi, Tochigi
329-0498, Japan,Department of Dentistry, Faculty of Medicine and Dentistry,
University of Alberta, Edmonton, Alberta T6G 2R7, Canada,*Corresponding author. Suguru Saito (E-mail: )
| | - Musin KELEL
- Institute of Biomedical Sciences (IBMS), Academia Sinica, 128
Academia Road, Section 2, Nankang, Taipei 115, Taiwan,Department of Biotechnology, College of Biological and
Chemical Engineering, Addis Ababa Science and Technology University, Addis Ababa,
Ethiopia
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Zhang Y, Huber P, Praetner M, Zöllner A, Holdt L, Khandoga A, Lerchenberger M. Serine proteases mediate leukocyte recruitment and hepatic microvascular injury in the acute phase following extended hepatectomy. Microcirculation 2023; 30:e12796. [PMID: 36577737 DOI: 10.1111/micc.12796] [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: 08/12/2022] [Revised: 12/13/2022] [Accepted: 12/22/2022] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Post-hepatectomy liver failure (PHLF) is the main limitation of extended liver resection. The molecular mechanism and the role of leukocytes in the development of PHLF remain to be unveiled. We aimed to address the impact of serine proteases (SPs) on the acute phase after liver resection by intravitally analyzing leukocyte recruitment and changes in hemodynamics and microcirculation of the liver. METHODS C57BL/6 mice undergoing 60% partial hepatectomy were treated with aprotinin (broad-spectrum SP inhibitor), tranexamic acid (plasmin inhibitor), or vehicle. Sham-operated animals served as controls. In vivo fluorescence microscopy was used to quantify leukocyte-endothelial interactions immediately after, as well as 120 min after partial hepatectomy in postsinusoidal venules, along with measurement of sinusoidal perfusion rate and postsinusoidal shear rate. Recruitment of leukocytes, neutrophils, T cells, and parameters of liver injury were assessed in tissue/blood samples. RESULTS Leukocyte recruitment, sinusoidal perfusion failure rate, and shear rate were significantly increased in mice after 60% partial hepatectomy compared to sham-operated animals. The inhibition of SPs or plasmin significantly attenuated leukocyte recruitment and improved the perfusion rate in the remnant liver. ICAM-1 expression and neutrophil recruitment significantly increased after 60% partial hepatectomy and were strongly reduced by plasmin inhibition. CONCLUSIONS Endothelial activation and leukocyte recruitment in the liver in response to the increment of sinusoidal shear rate were hallmarks in the acute phase after liver resection. SPs mediated leukocyte recruitment and contributed to the impairment of sinusoidal perfusion in an ICAM-1-dependent manner in the acute phase after liver resection.
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Affiliation(s)
- Yunjie Zhang
- Walter-Brendel Centre of Experimental Medicine, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Patrick Huber
- Walter-Brendel Centre of Experimental Medicine, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Marc Praetner
- Walter-Brendel Centre of Experimental Medicine, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Alice Zöllner
- Walter-Brendel Centre of Experimental Medicine, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Lesca Holdt
- Institute of Laboratory Medicine, LMU University Hospitals, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Andrej Khandoga
- Department of General, Visceral, and Transplant Surgery, LMU University Hospitals, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Maximilian Lerchenberger
- Department of General, Visceral, and Transplant Surgery, LMU University Hospitals, Ludwig-Maximilians-Universität Munich, Munich, Germany
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Mass Cytometry Reveals the Imbalanced Immune State in the Peripheral Blood of Patients with Essential Hypertension. Cardiovasc Ther 2023; 2023:9915178. [PMID: 36891527 PMCID: PMC9988372 DOI: 10.1155/2023/9915178] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 03/02/2023] Open
Abstract
Mounting evidence has confirmed that essential hypertension (EH) is closely related to low-grade inflammation, but there is still a lack of in-depth understanding of the state of immune cells in the circulating blood of patients with EH. We analyzed whether hypertensive peripheral blood immune cell balance was destroyed. The peripheral blood mononuclear cells (PBMCs) of all subjects were analyzed using time-of-flight cytometry (CyTOF) based on 42 kinds of metal-binding antibodies. CD45+ cells were categorized into 32 kinds of subsets. Compared with the health control (HC) group, the percentage of total dendritic cells, two kinds of myeloid dendritic cell subsets, one intermediate/nonclassical monocyte subset and one CD4+ central memory T cell subset in the EH group, was significantly higher; the percentage of low-density neutrophils, four kinds of classical monocyte subsets, one CD14lowCD16- monocyte subset, one naive CD4+ and one naive CD8+ T cell subsets, one CD4+ effector and one CD4+ central memory T cell subsets, one CD8+ effector memory T cell subset, and one terminally differentiated γδ T cell subset, decreased significantly in EH. What is more, the expression of many important antigens was enhanced in CD45+ immune cells, granulocytes, and B cells in patients with EH. In conclusion, the altered number and antigen expression of immune cells reflect the imbalanced immune state of the peripheral blood in patients with EH.
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250
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Farhan A, Hassan G, Ali SHL, Yousaf Z, Shafique K, Faisal A, Younis BB, Mirza S. Spontaneous NETosis in diabetes: A role of hyperglycemia mediated ROS and autophagy. Front Med (Lausanne) 2023; 10:1076690. [PMID: 36895726 PMCID: PMC9988915 DOI: 10.3389/fmed.2023.1076690] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 01/23/2023] [Indexed: 02/23/2023] Open
Abstract
Type 2-diabetes, particularly poorly controlled diabetes, is a risk factor for several infections such as lower respiratory tract and skin infections. Hyperglycemia, a characteristic downstream effect of poorly controlled diabetes, has been shown to impair the function of immune cells, in particular neutrophils. Several studies have demonstrated that hyperglycemia-mediated priming of NADPH oxidase results in subsequent elevated levels of reactive oxygen species (ROS). In healthy neutrophils, ROS plays an important role in pathogen killing by phagocytosis and by induction of Neutrophil Extracellular Traps (NETs). Given the key role of ROS in autophagy, phagocytosis and NETosis, the relationship between these pathways and the role of diabetes in the modulation of these pathways has not been explored previously. Therefore, our study aimed to understand the relationship between autophagy, phagocytosis and NETosis in diabetes. We hypothesized that hyperglycemia-associated oxidative stress alters the balance between phagocytosis and NETosis by modulating autophagy. Using whole blood samples from individuals with and without type 2-diabetes (in the presence and absence of hyperglycemia), we demonstrated that (i) hyperglycemia results in elevated levels of ROS in neutrophils from those with diabetes, (ii) elevated levels of ROS increase LCIII (a marker for autophagy) and downstream NETosis. (iii) Diabetes was also found to be associated with low levels of phagocytosis and phagocytic killing of S. pneumoniae. (iv) Blocking either NADPH oxidase or cellular pathways upstream of autophagy led to a significant reduction in NETosis. This study is the first to demonstrate the role of ROS in altering NETosis and phagocytosis by modulating autophagy in type 2-diabetes. GRAPHICAL ABSTRACT.
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Affiliation(s)
- Anam Farhan
- Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
| | - Ghulam Hassan
- Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
| | - Sheikha Hina Liaqat Ali
- Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
| | - Zainab Yousaf
- Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
| | - Kandeel Shafique
- Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
| | - Amir Faisal
- Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
| | - Bilal Bin Younis
- Sakina Institute of Diabetes and Endocrinology Research (SiDER), Shalamar Hospital, Lahore, Pakistan
| | - Shaper Mirza
- Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
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