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Pradhan P, Vijayan V, Liu B, Martinez-Delgado B, Matamala N, Nikolin C, Greite R, DeLuca DS, Janciauskiene S, Motterlini R, Foresti R, Immenschuh S. Distinct metabolic responses to heme in inflammatory human and mouse macrophages - Role of nitric oxide. Redox Biol 2024; 73:103191. [PMID: 38762951 PMCID: PMC11130737 DOI: 10.1016/j.redox.2024.103191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/11/2024] [Accepted: 05/11/2024] [Indexed: 05/21/2024] Open
Abstract
Activation of inflammation is tightly associated with metabolic reprogramming in macrophages. The iron-containing tetrapyrrole heme can induce pro-oxidant and pro-inflammatory effects in murine macrophages, but has been associated with polarization towards an anti-inflammatory phenotype in human macrophages. In the current study, we compared the regulatory responses to heme and the prototypical Toll-like receptor (TLR)4 ligand lipopolysaccharide (LPS) in human and mouse macrophages with a particular focus on alterations of cellular bioenergetics. In human macrophages, bulk RNA-sequencing analysis indicated that heme led to an anti-inflammatory transcriptional profile, whereas LPS induced a classical pro-inflammatory gene response. Co-stimulation of heme with LPS caused opposing regulatory patterns of inflammatory activation and cellular bioenergetics in human and mouse macrophages. Specifically, in LPS-stimulated murine, but not human macrophages, heme led to a marked suppression of oxidative phosphorylation and an up-regulation of glycolysis. The species-specific alterations in cellular bioenergetics and inflammatory responses to heme were critically dependent on the availability of nitric oxide (NO) that is generated in inflammatory mouse, but not human macrophages. Accordingly, studies with an inducible nitric oxide synthase (iNOS) inhibitor in mouse, and a pharmacological NO donor in human macrophages, reveal that NO is responsible for the opposing effects of heme in these cells. Taken together, the current findings indicate that NO is critical for the immunomodulatory role of heme in macrophages.
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Affiliation(s)
- Pooja Pradhan
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Hannover, Germany
| | - Vijith Vijayan
- Department of Pediatrics, Stanford University, Stanford, USA
| | - Bin Liu
- Department of Pulmonary and Infectious Diseases and BREATH German Center for Lung Research (DZL), Hannover Medical School, Hannover, Germany
| | - Beatriz Martinez-Delgado
- Molecular Genetics and Genetic Diagnostic Units, Institute of Rare Diseases Research (IIER), Spanish National Institute of Health Carlos III (ISCIII), 28220, Madrid, Spain
| | - Nerea Matamala
- Molecular Genetics and Genetic Diagnostic Units, Institute of Rare Diseases Research (IIER), Spanish National Institute of Health Carlos III (ISCIII), 28220, Madrid, Spain
| | - Christoph Nikolin
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Hannover, Germany
| | - Robert Greite
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - David S. DeLuca
- Department of Pulmonary and Infectious Diseases and BREATH German Center for Lung Research (DZL), Hannover Medical School, Hannover, Germany
| | - Sabina Janciauskiene
- Department of Pulmonary and Infectious Diseases and BREATH German Center for Lung Research (DZL), Hannover Medical School, Hannover, Germany
| | | | - Roberta Foresti
- University Paris-Est Créteil, INSERM, IMRB, F-94010, Créteil, France
| | - Stephan Immenschuh
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Hannover, Germany
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Tu C, Yang S, Yang M, Liu L, Tao J, Zhang L, Huang X, Tian Y, Li N, Lin L, Qin Z. Mechanisms of persistent hemolysis-induced middle kidney injury in grass carp (Ctenopharyngodon idella). FISH & SHELLFISH IMMUNOLOGY 2024; 150:109603. [PMID: 38704112 DOI: 10.1016/j.fsi.2024.109603] [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: 01/30/2024] [Revised: 04/20/2024] [Accepted: 05/02/2024] [Indexed: 05/06/2024]
Abstract
Infection-induced hemolysis results in intravascular hemolysis, which releases hemoglobin (Hb) into the tissues. Free Hb exhibits cytotoxic, oxidative, and pro-inflammatory effects, leading to systemic inflammation, vascular constriction dysfunction, thrombosis, and proliferative vascular lesions. Currently, the impact of intravascular hemolysis on the middle kidney in fish is unclear. Here, the injection of phenylhydrazine (PHZ) was used to establish a persistent hemolysis model in grass carp. The determination results revealed that the PHZ-induced hemolysis caused conspicuous tissue damage in the kidneys of grass carp, increased the levels of Cr in the serum and the expression indicators of kidney injury-related genes in the middle kidney. Prussian blue staining indicated that PHZ-induced hemolysis significantly increased the deposition of iron ions in the kidneys of grass carp, and activated the expression levels of iron metabolism-related genes. The results of oxidative damage-related experiments indicate that under PHZ treatment, the activity of middle kidney cells decreases, and the production of oxidative damage markers malondialdehyde (MDA) and 4-hydroxynonenal (4-HNE) increases, simultaneously inhibiting the activity of antioxidant enzymes and upregulating the transcription levels of antioxidant enzyme-related genes. Additionally, the analysis of inflammatory factors revealed a significant upregulation of genes associated with inflammation induced by PHZ-induced hemolysis. The transcriptome analysis was performed to further explore the molecular regulatory effects of hemolysis on tissues, the analysis revealed the treatment of PHZ activated various of programmed cell death (PCD) pathways, including ferroptosis, apoptosis, and autophagy. In summary, this study found that sustained hemolysis in fish results in Hb and iron ion deposition in middle kidney, promoting oxidative damage, ultimately inducing various forms of PCD.
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Affiliation(s)
- Chengming Tu
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Shiyi Yang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Minxuan Yang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Lihan Liu
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Junjie Tao
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Linpeng Zhang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Xiaoman Huang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Ye Tian
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Ningjing Li
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Li Lin
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China.
| | - Zhendong Qin
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China.
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3
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Shao WM, Ye LW, Zhang LM, Wang YL, Liu H, He D, Zhu JL, Lyu J, Yin H. Relationship between the magnitude of haemoglobin changes and long-term mortality in patients with sepsis: a retrospective cohort study. BMC Infect Dis 2024; 24:577. [PMID: 38862875 PMCID: PMC11167884 DOI: 10.1186/s12879-024-09476-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 06/04/2024] [Indexed: 06/13/2024] Open
Abstract
BACKGROUND Sepsis is a common and severe disease with a high mortality rate in intensive care unit (ICU). The hemoglobin (HGB) level is a key parameter for oxygen supply in sepsis. Although HGB is associated with the progression of inflammation in sepsis patients, its role as a marker following sepsis treatment remains unclear. Here, we studied the correlation between early temporal changes in HGB levels and long-term mortality rates in septic patients. METHOD In this retrospective study of data on patients with sepsis from the Medical Information Mart for Intensive Care (MIMIC) IV database, the outcome was long-term mortality. Patients were divided based on the cut-off of the HGB percentage for receiver operating characteristic (ROC) curve calculation. Kaplan-Meier (KM) survival curves and Cox proportional hazards regression models were used to analyse the associations between groups and outcomes. Propensity score matching (PSM) was used to verify the results. RESULTS In this study, 2042 patients with sepsis and changes in HGB levels at day 4 after admission compared to day 1 were enrolled and divided into two groups: group 1 (n = 1147) for those with reduction of HGB < 7% and group 2 (n = 895) for those with dropping ≥ 7%. The long-term survival chances of sepsis with less than a 7% reduction in the proportion of HGB at day four were significantly higher than those of patients in the group with a reduction of 7% or more. After adjusting for covariates in the Cox model, the hazard ratios (HRs) with 95% confidence intervals (CIs) for long-term all-cause mortality in the group with a reduction of 7% or more were as follows: 180 days [HR = 1.41, 95% CI (1.22 to 1.63), P < 0.001]; 360 days [HR = 1.37, 95% CI (1.21 to 1.56), P < 0.001]; 540 days [HR = 1.35, 95% CI (1.20 to 1.53), P < 0.001]; 720 days [HR = 1.45, 95% CI (1.29 to 1.64), P < 0.001]. Additionally, the long-term survival rates, using Kaplan-Meier analysis, for the group with a reduction of 7% or more were lower compared to the group with less than 7% reduction at 180 days (54.3% vs. 65.3%, P < 0.001), 360 days (42.3% vs. 50.9%, P < 0.001), 540 days (40.2% vs. 48.6%, P < 0.001), and 720 days (35.5% vs. 46.1%, P < 0.001). The same trend was obtained after using PSM. CONCLUSION A ≥ 7% decrease in HGB levels on Day 4 after admission was associated with worse long-term prognosis in sepsis patients admitted to the ICU.
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Affiliation(s)
- Wen-Ming Shao
- Emergency Department, The First Affiliated Hospital of Jinan University, Guangzhou, China
- Department of Clinical Research, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Lu-Wei Ye
- Department of Intensive Care Unit, The First Affiliated Hospital of Jinan University, Guangzhou, China
- Department of Clinical Research, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Lu-Ming Zhang
- Department of Intensive Care Unit, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Yu-Long Wang
- Department of Intensive Care Unit, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Hui Liu
- Emergency Department, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Dan He
- Department of Anaesthesiology, Hengyang Maternal and Child Health Hospital, Hengyang, China
| | - Jia-Liang Zhu
- Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jun Lyu
- Department of Clinical Research, The First Affiliated Hospital of Jinan University, Guangzhou, China.
| | - Haiyan Yin
- Emergency Department, The First Affiliated Hospital of Jinan University, Guangzhou, China.
- Department of Intensive Care Unit, The First Affiliated Hospital of Jinan University, Guangzhou, China.
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Tao J, Liu L, Huang X, Tu C, Zhang L, Yang S, Bai Y, Li L, Qin Z. FerrylHb induces inflammation and cell death in grass carp (Ctenopharyngodon idella) hepatocytes. FISH & SHELLFISH IMMUNOLOGY 2024; 149:109474. [PMID: 38513914 DOI: 10.1016/j.fsi.2024.109474] [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: 12/18/2023] [Revised: 02/20/2024] [Accepted: 03/03/2024] [Indexed: 03/23/2024]
Abstract
Grass carp hemorrhagic disease is a significant problem in grass carp aquaculture. It releases highly oxidizing hemoglobin (Hb) into tissues, induces rapid autooxidation, and subsequently discharges cytotoxic reactive oxygen species (ROS). However, the mechanism underlying Hb damage to the teleost remains unclear. Here, we employed ferrylHb and heme to incubate L8824 (grass carp liver) cells and quantitatively analyzed the corresponding molecular regulation using the RNA-seq method. Based on the RNA-seq analysis data, after 12 h of incubation of the L8824 cells with ferrylHb, a total of 3738 differentially expressed genes (DEGs) were identified, 1824 of which were upregulated, and 1914 were downregulated. A total of 4434 DEGs were obtained in the heme treated group, with 2227 DEGs upregulated and 2207 DEGs downregulated. KEGG enrichment analysis data revealed that the incubation of ferrylHb and heme significantly activated the pathways related to Oxidative Phosphorylation, Autophagy, Mitophagy and Protein Processing in Endoplasmic Reticulum. The genes associated with NF-κB, autophagy and apoptosis pathways were selected for further validation by quantitative real-time RT-PCR (qRT-PCR). The results were consistent with the RNA-seq data. Taken together, the incubation of Hb and heme induced the molecular regulation of L8824, which consequently led to programmed cell death through multiple pathways.
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Affiliation(s)
- Junjie Tao
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Lihan Liu
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Xiaoman Huang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Chenming Tu
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Linpeng Zhang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Shiyi Yang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Yanhan Bai
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Lin Li
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China.
| | - Zhendong Qin
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China.
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5
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Torres A, Michea MA, Végvári Á, Arce M, Pérez V, Alcota M, Morales A, Vernal R, Budini M, Zubarev RA, González FE. A multi-platform analysis of human gingival crevicular fluid reveals ferroptosis as a relevant regulated cell death mechanism during the clinical progression of periodontitis. Int J Oral Sci 2024; 16:43. [PMID: 38802345 PMCID: PMC11130186 DOI: 10.1038/s41368-024-00306-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 04/13/2024] [Accepted: 04/16/2024] [Indexed: 05/29/2024] Open
Abstract
Ferroptosis is implicated in the pathogenesis of numerous chronic-inflammatory diseases, yet its association with progressive periodontitis remains unexplored. To investigate the involvement and significance of ferroptosis in periodontitis progression, we assessed sixteen periodontitis-diagnosed patients. Disease progression was clinically monitored over twelve weeks via weekly clinical evaluations and gingival crevicular fluid (GCF) collection was performed for further analyses. Clinical metrics, proteomic data, in silico methods, and bioinformatics tools were combined to identify protein profiles linked to periodontitis progression and to explore their potential connection with ferroptosis. Subsequent western blot analyses validated key findings. Finally, a single-cell RNA sequencing (scRNA-seq) dataset (GSE164241) for gingival tissues was analyzed to elucidate cellular dynamics during periodontitis progression. Periodontitis progression was identified as occurring at a faster rate than traditionally thought. GCF samples from progressing and non-progressing periodontal sites showed quantitative and qualitatively distinct proteomic profiles. In addition, specific biological processes and molecular functions during progressive periodontitis were revealed and a set of hub proteins, including SNCA, CA1, HBB, SLC4A1, and ANK1 was strongly associated with the clinical progression status of periodontitis. Moreover, we found specific proteins - drivers or suppressors - associated with ferroptosis (SNCA, FTH1, HSPB1, CD44, and GCLC), revealing the co-occurrence of this specific type of regulated cell death during the clinical progression of periodontitis. Additionally, the integration of quantitative proteomic data with scRNA-seq analysis suggested the susceptibility of fibroblasts to ferroptosis. Our analyses reveal proteins and processes linked to ferroptosis for the first time in periodontal patients, which offer new insights into the molecular mechanisms of progressive periodontal disease. These findings may lead to novel diagnostic and therapeutic strategies.
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Affiliation(s)
- Alfredo Torres
- Laboratory of Experimental Immunology & Cancer, Faculty of Dentistry, University of Chile, Santiago, Chile
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - M Angélica Michea
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Ákos Végvári
- Division of Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Marion Arce
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Valentina Pérez
- Laboratory of Experimental Immunology & Cancer, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Marcela Alcota
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Alicia Morales
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Rolando Vernal
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
- Periodontal Biology Laboratory, Faculty of Dentistry, Universidad de Chile, Santiago, Chile
| | - Mauricio Budini
- Laboratory of Cellular and Molecular Pathology, Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Roman A Zubarev
- Division of Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Fermín E González
- Laboratory of Experimental Immunology & Cancer, Faculty of Dentistry, University of Chile, Santiago, Chile.
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile.
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Brothers RO, Turrentine KB, Akbar M, Triplett S, Zhao H, Urner TM, Goldman-Yassen A, Jones RA, Knight-Scott J, Milla SS, Bai S, Tang A, Brown RC, Buckley EM. The influence of voxelotor on cerebral blood flow and oxygen extraction in pediatric sickle cell disease. Blood 2024; 143:2145-2151. [PMID: 38364110 DOI: 10.1182/blood.2023022011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 01/23/2024] [Accepted: 02/01/2024] [Indexed: 02/18/2024] Open
Abstract
ABSTRACT Voxelotor is an inhibitor of sickle hemoglobin polymerization that is used to treat sickle cell disease. Although voxelotor has been shown to improve anemia, the clinical benefit on the brain remains to be determined. This study quantified the cerebral hemodynamic effects of voxelotor in children with sickle cell anemia (SCA) using noninvasive diffuse optical spectroscopies. Specifically, frequency-domain near-infrared spectroscopy combined with diffuse correlation spectroscopy were used to noninvasively assess regional oxygen extraction fraction (OEF), cerebral blood volume, and an index of cerebral blood flow (CBFi). Estimates of CBFi were first validated against arterial spin-labeled magnetic resonance imaging (ASL-MRI) in 8 children with SCA aged 8 to 18 years. CBFi was significantly positively correlated with ASL-MRI-measured blood flow (R2 = 0.651; P = .015). Next, a single-center, open-label pilot study was completed in 8 children with SCA aged 4 to 17 years on voxelotor, monitored before treatment initiation and at 4, 8, and 12 weeks (NCT05018728). By 4 weeks, both OEF and CBFi significantly decreased, and these decreases persisted to 12 weeks (both P < .05). Decreases in CBFi were significantly correlated with increases in blood hemoglobin (Hb) concentration (P = .025), whereas the correlation between decreases in OEF and increases in Hb trended toward significance (P = .12). Given that previous work has shown that oxygen extraction and blood flow are elevated in pediatric SCA compared with controls, these results suggest that voxelotor may reduce cerebral hemodynamic impairments. This trial was registered at www.ClinicalTrials.gov as #NCT05018728.
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Affiliation(s)
- Rowan O Brothers
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA
| | - Katherine B Turrentine
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA
| | - Mariam Akbar
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA
| | - Sydney Triplett
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA
| | - Hongting Zhao
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA
| | - Tara M Urner
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA
| | - Adam Goldman-Yassen
- Department of Radiology and Imaging Sciences, Children's Healthcare of Atlanta and Emory University, Atlanta, GA
| | - Richard A Jones
- Department of Radiology, Children's Healthcare of Atlanta, Atlanta, GA
| | - Jack Knight-Scott
- Department of Radiology, Children's Healthcare of Atlanta, Atlanta, GA
| | - Sarah S Milla
- Department of Pediatric Radiology, Children's Hospital Colorado, Aurora, CO
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Shasha Bai
- Pediatric Biostatistics Core, Emory University School of Medicine, Atlanta, GA
| | - Amy Tang
- Department of Pediatrics, Children's Healthcare of Atlanta and Emory University, Atlanta, GA
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA
| | - R Clark Brown
- Department of Pediatrics, Children's Healthcare of Atlanta and Emory University, Atlanta, GA
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA
| | - Erin M Buckley
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA
- Department of Pediatrics, Emory University, Atlanta, GA
- Children's Research Scholar, Children's Healthcare of Atlanta, Atlanta, GA
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7
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Hou DY, Lu JJ, Zhang X, Abudukeyoumu A, Li MQ, Zhu XY, Xie F. Heme metabolism and HO-1 in the pathogenesis and potential intervention of endometriosis. Am J Reprod Immunol 2024; 91:e13855. [PMID: 38745499 DOI: 10.1111/aji.13855] [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: 08/13/2023] [Revised: 03/22/2024] [Accepted: 04/15/2024] [Indexed: 05/16/2024] Open
Abstract
Endometriosis (EM) is one of the diseases related to retrograded menstruation and hemoglobin. Heme, released from hemoglobin, is degraded by heme oxygenase-1 (HO-1). In EM lesions, heme metabolites regulate processes such as inflammation, redox balance, autophagy, dysmenorrhea, malignancy, and invasion, where macrophages (Mø) play a fundamental role in their interactions. Regulation occurs at molecular, cellular, and pathological levels. Numerous studies suggest that heme is an indispensable component in EM and may contribute to its pathogenesis. The regulatory role of heme in EM encompasses cytokines, signaling pathways, and kinases that mediate cellular responses to external stimuli. HO-1, a catalytic enzyme in the catabolic phase of heme, mitigates heme's cytotoxicity in EM due to its antioxidant, anti-inflammatory, and anti-proliferative properties. Certain compounds may intervene in EM by targeting heme metabolism, guiding the development of appropriate treatments for all stages of endometriosis.
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Affiliation(s)
- Ding-Yu Hou
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
| | - Jia-Jing Lu
- Department of Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
| | - Xing Zhang
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
| | - Ayitila Abudukeyoumu
- Department of Obstetrics and Gynecology, Maternal and Child Health Hospital of Jiading District, Shanghai, People's Republic of China
| | - Ming-Qing Li
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
| | - Xiao-Yong Zhu
- Department of Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
| | - Feng Xie
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai, People's Republic of China
- Medical Center of Diagnosis and Treatment for Cervical and Intrauterine Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, People's Republic of China
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8
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Tkachenko A, Havranek O. Erythronecroptosis: an overview of necroptosis or programmed necrosis in red blood cells. Mol Cell Biochem 2024:10.1007/s11010-024-04948-8. [PMID: 38427167 DOI: 10.1007/s11010-024-04948-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/20/2024] [Indexed: 03/02/2024]
Abstract
Necroptosis is considered a programmed necrosis that requires receptor-interacting protein kinase 1 (RIPK1), receptor-interacting protein kinase 3 (RIPK3), and pore-forming mixed lineage kinase domain-like protein (MLKL) to trigger a regulated cell membrane lysis. Membrane rupture in necroptosis has been shown to fuel innate immune response due to release of damage-associated molecular patterns (DAMPs). Recently published studies indicate that mature erythrocytes can undergo necroptosis as well. In this review, we provide an outline of multiple cell death modes occurring in erythrocytes, discuss possible immunological aspects of diverse erythrocyte cell deaths, summarize available evidence related to the ability of erythrocytes to undergo necroptosis, outline key involved molecular mechanisms, and discuss the potential implication of erythrocyte necroptosis in the physiology and pathophysiology. Furthermore, we aim to highlight the interplay between necroptosis and eryptosis signaling in erythrocytes, emphasizing specific characteristics of these pathways distinct from their counterparts in nucleated cells. Thus, our review provides a comprehensive summary of the current knowledge of necroptosis in erythrocytes. To reflect critical differences between necroptosis of nucleated cells and necroptosis of erythrocytes, we suggest a term erythronecroptosis for necroptosis of enucleated cells.
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Affiliation(s)
- Anton Tkachenko
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 25250, Vestec, Czech Republic.
| | - Ondrej Havranek
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 25250, Vestec, Czech Republic
- First Department of Internal Medicine-Hematology, General University Hospital and First Faculty of Medicine, Charles University, Prague, Czech Republic
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9
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Phan UTT, Nguyen HD, Nguyen TKO, Tran TH, Le TH, Tran TTP. Anti-inflammatory effect of Piper longum L. fruit methanolic extract on lipopolysaccharide-treated RAW 264.7 murine macrophages. Heliyon 2024; 10:e26174. [PMID: 38404825 PMCID: PMC10884859 DOI: 10.1016/j.heliyon.2024.e26174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/07/2024] [Accepted: 02/08/2024] [Indexed: 02/27/2024] Open
Abstract
Context The Piper species was studied several potential properties such as anti-tumor, anti-inflammatory and antioxidant activity. However, the specific anti-inflammatory activity of the extract from the fruits of P. longum L. has not been investigated. Objectives Our study want to examine the anti-inflammatory effects of P. longum L. fruit methanolic extracts (PLE) on lipopolysachharide (LPS)-stimulated RAW 264.7 murine macrophages to understand the mechanism of this effect. Method This study examined the chemical profiling of PLE by LC-HRMS analysis and measured the presence of nitric oxide (NO), interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-α) in the supernatant using the Griess reagent assay and enzyme-linked immunosorbent assay (ELISA), respectively. The mRNA expression of IL-6, TNF-α, cyclooxygenase-2 (COX-2), and inducible nitric oxide synthase (iNOS) were evaluated by using real-time quantitative polymerase chain reaction (RT-qPCR). Furthermore, the protein expression of COX-2, iNOS and the phosphorylation of MAPK family, c-Jun N-terminal kinase (JNK), p38 in protein level were observed by western blotting. Result PLE have detected 66 compounds which belong to different classes such as alkaloids, flavonoids, terpenoids, phenolics, lactones, and organic acids inhibited nitric oxide products with the IC50 = 28.5 ± 0.91 μg/mL. Moreover, PLE at 10-100 μg/mL up-regulate HO-1 protein expression from 3 to 10 folds at 3 h. It also downregulated the mRNA and protein expression of iNOS, COX-2, decreased IL-6 and TNF-α secretion by modulating the mitogen-activated protein kinase (MAPK) signaling pathway, specifically by decreasing the phosphorylation of p38 and JNK. Conclusion These results shown chemical profiling of PLE and demonstrated that PLE exhibits anti-inflammatory effects by regulating the MAPK family and could be a potential candidate for the treatment of inflammatory diseases.
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Affiliation(s)
- Uyen Thi Tu Phan
- University of Science and Technology of Hanoi (USTH), Vietnam Academic Science and Technology (VAST), 18 Hoang Quoc Viet, Nghia Do, Cau Giay, Hanoi, Viet Nam
| | - Hai Dang Nguyen
- University of Science and Technology of Hanoi (USTH), Vietnam Academic Science and Technology (VAST), 18 Hoang Quoc Viet, Nghia Do, Cau Giay, Hanoi, Viet Nam
| | - Thi Kieu Oanh Nguyen
- University of Science and Technology of Hanoi (USTH), Vietnam Academic Science and Technology (VAST), 18 Hoang Quoc Viet, Nghia Do, Cau Giay, Hanoi, Viet Nam
| | - Tuan Hiep Tran
- Faculty of Pharmacy, PHENIKAA University, Yen Nghia, Ha Dong, Hanoi, 12116, Viet Nam
| | - Thanh Huong Le
- University of Science and Technology of Hanoi (USTH), Vietnam Academic Science and Technology (VAST), 18 Hoang Quoc Viet, Nghia Do, Cau Giay, Hanoi, Viet Nam
| | - Thi Thu Phuong Tran
- University of Science and Technology of Hanoi (USTH), Vietnam Academic Science and Technology (VAST), 18 Hoang Quoc Viet, Nghia Do, Cau Giay, Hanoi, Viet Nam
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10
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Hopp MT, Holze J, Lauber F, Holtkamp L, Rathod DC, Miteva MA, Prestes EB, Geyer M, Manoury B, Merle NS, Roumenina LT, Bozza MT, Weindl G, Imhof D. Insights into the molecular basis and mechanism of heme-triggered TLR4 signalling: The role of heme-binding motifs in TLR4 and MD2. Immunology 2024; 171:181-197. [PMID: 37885279 DOI: 10.1111/imm.13708] [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: 05/16/2023] [Accepted: 10/06/2023] [Indexed: 10/28/2023] Open
Abstract
Haemolytic disorders, such as sickle cell disease, are accompanied by the release of high amounts of labile heme into the intravascular compartment resulting in the induction of proinflammatory and prothrombotic complications in affected patients. In addition to the relevance of heme-regulated proteins from the complement and blood coagulation systems, activation of the TLR4 signalling pathway by heme was ascribed a crucial role in the progression of these pathological processes. Heme binding to the TLR4-MD2 complex has been proposed recently, however, essential mechanistic information of the processes at the molecular level, such as heme-binding kinetics, the heme-binding capacity and the respective heme-binding sites (HBMs) is still missing. We report the interaction of TLR4, MD2 and the TLR4-MD2 complex with heme and the consequences thereof by employing biochemical, spectroscopic, bioinformatic and physiologically relevant approaches. Heme binding occurs transiently through interaction with up to four HBMs in TLR4, two HBMs in MD2 and at least four HBMs in their complex. Functional studies highlight that mutations of individual HBMs in TLR4 preserve full receptor activation by heme, suggesting that heme interacts with TLR4 through different binding sites independently of MD2. Furthermore, we confirm and extend the major role of TLR4 for heme-mediated cytokine responses in human immune cells.
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Affiliation(s)
- Marie-T Hopp
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, Bonn, Germany
- Department of Chemistry, Institute of Integrated Natural Sciences, University of Koblenz, Koblenz, Germany
| | - Janine Holze
- Pharmacology and Toxicology, Pharmaceutical Institute, University of Bonn, Bonn, Germany
| | - Felicitas Lauber
- Pharmacology and Toxicology, Pharmaceutical Institute, University of Bonn, Bonn, Germany
| | - Laura Holtkamp
- Pharmacology and Toxicology, Pharmaceutical Institute, University of Bonn, Bonn, Germany
| | - Dhruv C Rathod
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, Bonn, Germany
| | - Maria A Miteva
- CNRS UMR 8038 CiTCoM, Université de Paris, Faculté de Pharmacie de Paris, Paris, France
- INSERM U 1268 Medicinal Chemistry and Translational Research, Paris, France
| | - Elisa B Prestes
- Laboratório de Inflamação e Imunidade, Departamento de Imunologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Matthias Geyer
- Institute of Structural Biology, University of Bonn, Bonn, Germany
| | - Bénédicte Manoury
- Institut Necker Enfants Malades, INSERM U1151-CNRS UMR8253, Université Paris Cité, Faculté de médecine Necker, Paris, France
| | - Nicolas S Merle
- Centre de Recherche des Cordeliers, UMR_S 1138, INSERM, Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Universités, Paris, France
- Centre de Recherche des Cordeliers, Université Paris Descartes, Paris, France
| | - Lubka T Roumenina
- Centre de Recherche des Cordeliers, UMR_S 1138, INSERM, Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Universités, Paris, France
- Centre de Recherche des Cordeliers, Université Paris Descartes, Paris, France
| | - Marcelo T Bozza
- Laboratório de Inflamação e Imunidade, Departamento de Imunologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Günther Weindl
- Pharmacology and Toxicology, Pharmaceutical Institute, University of Bonn, Bonn, Germany
| | - Diana Imhof
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, Bonn, Germany
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11
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Snider AP, Gomes RS, Summers AF, Tenley SC, Abedal-Majed MA, McFee RM, Wood JR, Davis JS, Cupp AS. Identification of Lipids and Cytokines in Plasma and Follicular Fluid before and after Follicle-Stimulating Hormone Stimulation as Potential Markers for Follicular Maturation in Cattle. Animals (Basel) 2023; 13:3289. [PMID: 37894013 PMCID: PMC10603728 DOI: 10.3390/ani13203289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 10/18/2023] [Accepted: 10/20/2023] [Indexed: 10/29/2023] Open
Abstract
The process of follicle maturation leading to ovulation is a key milestone in female fertility. It is known that circulating lipids and cytokines play a role in the follicle's ability to go through follicular maturation and the ovulatory processes. However, the specific mechanisms are not well understood. We posit that dysregulation of granulosa cells influences the ovarian environment, which tries to adapt by changing released lipids and cytokines to achieve follicular maturation. Eleven non-lactating adult females underwent estrus synchronization with two injections of PGF2α 14 days apart. Daily blood samples were collected for 28 days to monitor steroid hormone production after the second injection. To understand the potential impacts of lipids and cytokines during ovulation, a low-dose FSH stimulation (FSHLow) was performed after resynchronization of cows, and daily blood samples were collected for 14 days to monitor steroid hormone production until ovariectomies. The lipidomic analysis demonstrated increased circulating diacylglycerides and triacylglycerides during the mid-luteal phase and after FSHLow treatment. Cholesteryl esters decreased in circulation but increased in follicular fluid (FF) after FSHLow. Increased circulating concentrations of TNFα and reduced CXCL9 were observed in response to FSHLow. Therefore, specific circulating lipids and cytokines may serve as markers of normal follicle maturation.
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Affiliation(s)
- Alexandria P. Snider
- United States Department of Agriculture, Agricultural Research Service, U.S. Meat Animal Research Center, Clay Center, NE 68933, USA;
| | - Renata S. Gomes
- Department of Animal Science, University of Nebraska–Lincoln, 3940 Fair Street, Lincoln, NE 68583, USA; (R.S.G.); (J.R.W.)
| | | | - Sarah C. Tenley
- Department of Animal Science, University of Nebraska–Lincoln, 3940 Fair Street, Lincoln, NE 68583, USA; (R.S.G.); (J.R.W.)
| | - Mohamed A. Abedal-Majed
- Department of Animal Production, School of Agriculture, The University of Jordan, Amman 11942, Jordan;
| | - Renee M. McFee
- School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, Lincoln, NE 68583, USA;
| | - Jennifer R. Wood
- Department of Animal Science, University of Nebraska–Lincoln, 3940 Fair Street, Lincoln, NE 68583, USA; (R.S.G.); (J.R.W.)
| | - John S. Davis
- Olson Center for Women’s Health, University of Nebraska Medical Center, 983255 Nebraska Medical Center, Omaha, NE 68198, USA;
- VA Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA
| | - Andrea S. Cupp
- Department of Animal Science, University of Nebraska–Lincoln, 3940 Fair Street, Lincoln, NE 68583, USA; (R.S.G.); (J.R.W.)
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12
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Xu H, Xiong S, Chen Y, Ye Q, Guan N, Hu Y, Wu J. Flagella of Tumor-Targeting Bacteria Trigger Local Hemorrhage to Reprogram Tumor-Associated Macrophages for Improved Antitumor Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303357. [PMID: 37310893 DOI: 10.1002/adma.202303357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/12/2023] [Indexed: 06/15/2023]
Abstract
Tumor-associated macrophages (TAMs) exhibit an immunosuppressive M2 phenotype and lead to failure of antitumor therapy. Infiltrated erythrocytes during hemorrhage are recognized as a promising strategy for polarizing TAMs. However, novel materials that precisely induce tumor hemorrhage without affecting normal coagulation still face challenges. Here, tumor-targeting bacteria (flhDC VNP) are genetically constructed to realize precise tumor hemorrhage. FlhDC VNP colonizes the tumor and overexpresses flagella during proliferation. The flagella promote the expression of tumor necrosis factor α, which induces local tumor hemorrhage. Infiltrated erythrocytes during the hemorrhage temporarily polarize macrophages to the M1 subtype. In the presence of artesunate, this short-lived polarization is transformed into a sustained polarization because artesunate and heme form a complex that continuously produces reactive oxygen species. Therefore, the flagella of active tumor-targeting bacteria may open up new strategies for reprogramming TAMs and improving antitumor therapy.
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Affiliation(s)
- Haiheng Xu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
| | - Shuqin Xiong
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
| | - Yiyun Chen
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
| | - Qingsong Ye
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
| | - Nan Guan
- Molecular, Cellular and Development Biology Department, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Yiqiao Hu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
| | - Jinhui Wu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
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13
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Grigorov I, Pejić S, Todorović A, Drakulić D, Veljković F, Vukajlović JM, Bobić K, Soldatović I, Đurašević S, Jasnić N, Stanković S, Glumac S, Mihailović-Vučinić V, Milenković B. Serum High-Mobility Group Box 1 and Heme Oxygenase-1 as Biomarkers in COVID-19 Patients at Hospital Admission. Int J Mol Sci 2023; 24:13164. [PMID: 37685970 PMCID: PMC10488018 DOI: 10.3390/ijms241713164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/06/2023] [Accepted: 08/18/2023] [Indexed: 09/10/2023] Open
Abstract
The careful monitoring of patients with mild/moderate COVID-19 is of particular importance because of the rapid progression of complications associated with COVID-19. For prognostic reasons and for the economic management of health care resources, additional biomarkers need to be identified, and their monitoring can conceivably be performed in the early stages of the disease. In this retrospective cross-sectional study, we found that serum concentrations of high-mobility group box 1 (HMGB1) and heme oxygenase-1 (HO-1), at the time of hospital admission, could be useful biomarkers for COVID-19 management. The study included 160 randomly selected recovered patients with mild to moderate COVID-19 on admission. Compared with healthy controls, serum HMGB1 and HO-1 levels increased by 487.6 pg/mL versus 43.1 pg/mL and 1497.7 pg/mL versus 756.1 pg/mL, respectively. Serum HO-1 correlated significantly with serum HMGB1, oxidative stress parameters (malondialdehyde (MDA), the phosphatidylcholine/lysophosphatidylcholine ratio (PC/LPC), the ratio of reduced and oxidative glutathione (GSH/GSSG)), and anti-inflammatory acute phase proteins (ferritin, haptoglobin). Increased heme catabolism/hemolysis were not detected. We hypothesize that the increase in HO-1 in the early phase of COVID-19 disease is likely to have a survival benefit by providing protection against oxidative stress and inflammation, whereas the level of HMGB1 increase reflects the activity of the innate immune system and represents levels within which the disease can be kept under control.
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Affiliation(s)
- Ilijana Grigorov
- Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia
| | - Snežana Pejić
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Ana Todorović
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Dunja Drakulić
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Filip Veljković
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Jadranka Miletić Vukajlović
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Katarina Bobić
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Ivan Soldatović
- Institute of Medical Statistics and Informatic, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
| | - Siniša Đurašević
- Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia; (S.Đ.); (N.J.)
| | - Nebojša Jasnić
- Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia; (S.Đ.); (N.J.)
| | - Sanja Stanković
- Center for Medical Biochemistry, University Clinical Center of Serbia, 11000 Belgrade, Serbia;
| | - Sofija Glumac
- Institute of Pathology, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (S.G.); (V.M.-V.); (B.M.)
| | - Violeta Mihailović-Vučinić
- Institute of Pathology, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (S.G.); (V.M.-V.); (B.M.)
- Clinic for Pulmonary Diseases, University Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Branislava Milenković
- Institute of Pathology, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (S.G.); (V.M.-V.); (B.M.)
- Clinic for Pulmonary Diseases, University Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
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14
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Vinchi F. Not All Heme is "Free" in Sickle Cell Disease. Hemasphere 2023; 7:e910. [PMID: 37346451 PMCID: PMC10281323 DOI: 10.1097/hs9.0000000000000910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2023] Open
Affiliation(s)
- Francesca Vinchi
- Iron Research Laboratory, Lindsley Kimball Research Institute, New York Blood Center, NY, USA
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, NY, USA
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15
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Chai CZ, Ho UC, Kuo LT. Systemic Inflammation after Aneurysmal Subarachnoid Hemorrhage. Int J Mol Sci 2023; 24:10943. [PMID: 37446118 DOI: 10.3390/ijms241310943] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/16/2023] [Accepted: 06/18/2023] [Indexed: 07/15/2023] Open
Abstract
Aneurysmal subarachnoid hemorrhage (aSAH) is one of the most severe neurological disorders, with a high mortality rate and severe disabling functional sequelae. Systemic inflammation following hemorrhagic stroke may play an important role in mediating intracranial and extracranial tissue damage. Previous studies showed that various systemic inflammatory biomarkers might be useful in predicting clinical outcomes. Anti-inflammatory treatment might be a promising therapeutic approach for improving the prognosis of patients with aSAH. This review summarizes the complicated interactions between the nervous system and the immune system.
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Affiliation(s)
- Chang-Zhang Chai
- Department of Medical Education, National Taiwan University, School of Medicine, Taipei 100, Taiwan
| | - Ue-Cheung Ho
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital Yunlin Branch, Yunlin 640, Taiwan
| | - Lu-Ting Kuo
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital Yunlin Branch, Yunlin 640, Taiwan
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei 100, Taiwan
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16
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Marques C, Hajipour MJ, Marets C, Oudot A, Safavi-Sohi R, Guillemin M, Borchard G, Jordan O, Saviot L, Maurizi L. Identification of the Proteins Determining the Blood Circulation Time of Nanoparticles. ACS NANO 2023. [PMID: 37379064 DOI: 10.1021/acsnano.3c02041] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
The therapeutic efficacy and adverse impacts of nanoparticles (NPs) are strongly dependent on their systemic circulation time. The corona proteins adsorbed on the NPs determine their plasma half-lives, and hence, it is crucial to identify the proteins shortening or extending their circulation time. In this work, the in vivo circulation time and corona composition of superparamagnetic iron oxide nanoparticles (SPIONs) with different surface charges/chemistries were analyzed over time. SPIONs with neutral and positive charges showed the longest and shortest circulation times, respectively. The most striking observation was that corona-coated NPs with similar opsonin/dysopsonin content showed different circulation times, implying these biomolecules are not the only contributing factors. Long-circulating NPs adsorb higher concentrations of osteopontin, lipoprotein lipase, coagulation factor VII, matrix Gla protein, secreted phosphoprotein 24, alpha-2-HS-glycoprotein, and apolipoprotein C-I, while short-circulating NPs adsorb higher amounts of hemoglobin. Therefore, these proteins may be considered to be determining factors governing the NP systemic circulation time.
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Affiliation(s)
- Cintia Marques
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1 Rue Michel Servet, 1211 Geneva, Switzerland
- Section of Pharmaceutical Sciences, University of Geneva, 1 Rue Michel Servet, 1211 Geneva, Switzerland
| | - Mohammad Javad Hajipour
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University, Stanford, California 94304, United States
| | - Célia Marets
- Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), UMR 6303 CNRS - Université de Bourgogne Franche-Comté, BP 47870, Dijon Cedex F-21078, France
| | - Alexandra Oudot
- Plateforme d'Imagerie Préclinique, Service de Médecine Nucléaire, Centre Georges François Leclerc, 21000 Dijon, France
| | - Reihaneh Safavi-Sohi
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Mélanie Guillemin
- Plateforme d'Imagerie Préclinique, Service de Médecine Nucléaire, Centre Georges François Leclerc, 21000 Dijon, France
| | - Gerrit Borchard
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1 Rue Michel Servet, 1211 Geneva, Switzerland
- Section of Pharmaceutical Sciences, University of Geneva, 1 Rue Michel Servet, 1211 Geneva, Switzerland
| | - Olivier Jordan
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1 Rue Michel Servet, 1211 Geneva, Switzerland
- Section of Pharmaceutical Sciences, University of Geneva, 1 Rue Michel Servet, 1211 Geneva, Switzerland
| | - Lucien Saviot
- Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), UMR 6303 CNRS - Université de Bourgogne Franche-Comté, BP 47870, Dijon Cedex F-21078, France
| | - Lionel Maurizi
- Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), UMR 6303 CNRS - Université de Bourgogne Franche-Comté, BP 47870, Dijon Cedex F-21078, France
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Sharma R, Antypiuk A, Vance SZ, Manwani D, Pearce Q, Cox JE, An X, Yazdanbakhsh K, Vinchi F. Macrophage metabolic rewiring improves heme-suppressed efferocytosis and tissue damage in sickle cell disease. Blood 2023; 141:3091-3108. [PMID: 36952641 PMCID: PMC10315632 DOI: 10.1182/blood.2022018026] [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: 08/08/2022] [Revised: 03/16/2023] [Accepted: 03/19/2023] [Indexed: 03/25/2023] Open
Abstract
Sickle cell disease (SCD) is hallmarked by an underlying chronic inflammatory condition, which is contributed by heme-activated proinflammatory macrophages. Although previous studies addressed heme ability to stimulate macrophage inflammatory skewing through Toll-like receptor4 (TLR4)/reactive oxygen species signaling, how heme alters cell functional properties remains unexplored. Macrophage-mediated immune cell recruitment and apoptotic cell (AC) clearance are relevant in the context of SCD, in which tissue damage, cell apoptosis, and inflammation occur owing to vaso-occlusive episodes, hypoxia, and ischemic injury. Here we show that heme strongly alters macrophage functional response to AC damage by exacerbating immune cell recruitment and impairing cell efferocytic capacity. In SCD, heme-driven excessive leukocyte influx and defective efferocytosis contribute to exacerbated tissue damage and sustained inflammation. Mechanistically, these events depend on heme-mediated activation of TLR4 signaling and suppression of the transcription factor proliferator-activated receptor γ (PPARγ) and its coactivator peroxisome proliferator-activated receptor γ coactivator 1α (PGC1α). These changes reduce efferocytic receptor expression and promote mitochondrial remodeling, resulting in a coordinated functional and metabolic reprogramming of macrophages. Overall, this results in limited AC engulfment, impaired metabolic shift to mitochondrial fatty acid β-oxidation, and, ultimately, reduced secretion of the antiinflammatory cytokines interleukin-4 (IL-4) and IL-10, with consequent inhibition of continual efferocytosis, resolution of inflammation, and tissue repair. We further demonstrate that impaired phagocytic capacity is recapitulated by macrophage exposure to plasma of patients with SCD and improved by hemopexin-mediated heme scavenging, PPARγ agonists, or IL-4 exposure through functional and metabolic macrophage rewiring. Our data indicate that therapeutic improvement of heme-altered macrophage functional properties via heme scavenging or PGC1α/PPARγ modulation significantly ameliorates tissue damage associated with SCD pathophysiology.
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Affiliation(s)
- Richa Sharma
- Iron Research Laboratory, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY
| | - Ada Antypiuk
- Iron Research Laboratory, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY
| | - S. Zebulon Vance
- Iron Research Laboratory, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY
| | - Deepa Manwani
- Department of Pediatrics, Albert Einstein College of Medicine, New York, NY
- Pediatric Hematology, The Children's Hospital at Montefiore, New York, NY
| | - Quentinn Pearce
- Department of Biochemistry, University of Utah, Salt Lake City, UT
- Metabolomics, Mass Spectrometry, and Proteomics Core, University of Utah, Salt Lake City, UT
| | - James E. Cox
- Department of Biochemistry, University of Utah, Salt Lake City, UT
- Metabolomics, Mass Spectrometry, and Proteomics Core, University of Utah, Salt Lake City, UT
| | - Xiuli An
- Laboratory of Membrane Biology, New York Blood Center, New York, NY
| | | | - Francesca Vinchi
- Iron Research Laboratory, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY
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18
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Tsiftsoglou SA. Heme Interactions as Regulators of the Alternative Pathway Complement Responses and Implications for Heme-Associated Pathologies. Curr Issues Mol Biol 2023; 45:5198-5214. [PMID: 37367079 DOI: 10.3390/cimb45060330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 06/28/2023] Open
Abstract
Heme (Fe2+-protoporphyrin IX) is a pigment of life, and as a prosthetic group in several hemoproteins, it contributes to diverse critical cellular processes. While its intracellular levels are tightly regulated by networks of heme-binding proteins (HeBPs), labile heme can be hazardous through oxidative processes. In blood plasma, heme is scavenged by hemopexin (HPX), albumin and several other proteins, while it also interacts directly with complement components C1q, C3 and factor I. These direct interactions block the classical pathway (CP) and distort the alternative pathway (AP). Errors or flaws in heme metabolism, causing uncontrolled intracellular oxidative stress, can lead to several severe hematological disorders. Direct interactions of extracellular heme with alternative pathway complement components (APCCs) may be implicated molecularly in diverse conditions at sites of abnormal cell damage and vascular injury. In such disorders, a deregulated AP could be associated with the heme-mediated disruption of the physiological heparan sulphate-CFH coat of stressed cells and the induction of local hemostatic responses. Within this conceptual frame, a computational evaluation of HBMs (heme-binding motifs) aimed to determine how heme interacts with APCCs and whether these interactions are affected by genetic variation within putative HBMs. Combined computational analysis and database mining identified putative HBMs in all of the 16 APCCs examined, with 10 exhibiting disease-associated genetic (SNPs) and/or epigenetic variation (PTMs). Overall, this article indicates that among the pleiotropic roles of heme reviewed, the interactions of heme with APCCs could induce differential AP-mediated hemostasis-driven pathologies in certain individuals.
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Affiliation(s)
- Stefanos A Tsiftsoglou
- Laboratory of Pharmacology, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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19
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Voltarelli VA, Alves de Souza RW, Miyauchi K, Hauser CJ, Otterbein LE. Heme: The Lord of the Iron Ring. Antioxidants (Basel) 2023; 12:antiox12051074. [PMID: 37237940 DOI: 10.3390/antiox12051074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/26/2023] [Accepted: 05/03/2023] [Indexed: 05/28/2023] Open
Abstract
Heme is an iron-protoporphyrin complex with an essential physiologic function for all cells, especially for those in which heme is a key prosthetic group of proteins such as hemoglobin, myoglobin, and cytochromes of the mitochondria. However, it is also known that heme can participate in pro-oxidant and pro-inflammatory responses, leading to cytotoxicity in various tissues and organs such as the kidney, brain, heart, liver, and in immune cells. Indeed, heme, released as a result of tissue damage, can stimulate local and remote inflammatory reactions. These can initiate innate immune responses that, if left uncontrolled, can compound primary injuries and promote organ failure. In contrast, a cadre of heme receptors are arrayed on the plasma membrane that is designed either for heme import into the cell, or for the purpose of activating specific signaling pathways. Thus, free heme can serve either as a deleterious molecule, or one that can traffic and initiate highly specific cellular responses that are teleologically important for survival. Herein, we review heme metabolism and signaling pathways, including heme synthesis, degradation, and scavenging. We will focus on trauma and inflammatory diseases, including traumatic brain injury, trauma-related sepsis, cancer, and cardiovascular diseases where current work suggests that heme may be most important.
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Affiliation(s)
- Vanessa Azevedo Voltarelli
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Rodrigo W Alves de Souza
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Kenji Miyauchi
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Carl J Hauser
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Leo Edmond Otterbein
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
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20
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Pirenne F, Floch A, Diop S. Alloimmunisation against red blood cells in sickle cell disease: transfusion challenges in high-income and low-income countries. Lancet Haematol 2023:S2352-3026(23)00066-2. [PMID: 37060916 DOI: 10.1016/s2352-3026(23)00066-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/10/2023] [Accepted: 02/16/2023] [Indexed: 04/17/2023]
Abstract
Sickle cell disease is the most frequent inherited disorder in sub-Saharan Africa and in many high-income countries (HICs). Transfusion is a key element of treatment, but it results in high rates of alloimmunisation against red blood cell antigens and post-transfusion haemolysis, which can be life-threatening in severe cases. The prevention of alloimmunisation is, therefore, an important issue in both HICs and in low-income countries (LICs). In HICs, the main reason for high alloimmunisation rates is blood group disparity between blood donors, who are mostly of European descent, and the patients, who are mostly of African descent. However, alloimmunisation rates also remain high in sub-Saharan Africa despite the homogeneity of blood group antigen frequencies between donors and patients; this occurrence is probably due to matching strategies limited to ABO blood group and RhD. However, other possible underlying causes of alloimmunisation have also been suggested, with each cause affecting HICs and LICs in different ways-eg, the immunogenetic and inflammatory status of the patient and the characteristics of the red blood cell products. In this Viewpoint, we discuss the available data and hypotheses that potentially account for the association of sickle cell disease with high rates of alloimmunisation in both settings, HICs and LICs (focusing particularly on sub-Saharan Africa), and the challenges faced by HICs and LICs to improve prevention of alloimmunisation.
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Affiliation(s)
- France Pirenne
- Transfusion and Red Blood Cell Diseases, INSERM U955, The Mondor Institute for Biomedical Research, University Paris-Est Créteil, Paris, France; Établissement Français du Sang Ile de France, Paris, France.
| | - Aline Floch
- Transfusion and Red Blood Cell Diseases, INSERM U955, The Mondor Institute for Biomedical Research, University Paris-Est Créteil, Paris, France; Établissement Français du Sang Ile de France, Paris, France
| | - Saliou Diop
- Department of Haematology, National Center Transfusion Sanguine, Cheikh Anta Diop University, Dakar, Senegal
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21
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Sesti-Costa R, Costa FF, Conran N. Role of Macrophages in Sickle Cell Disease Erythrophagocytosis and Erythropoiesis. Int J Mol Sci 2023; 24:ijms24076333. [PMID: 37047304 PMCID: PMC10094208 DOI: 10.3390/ijms24076333] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
Sickle cell disease (SCD) is an inherited blood disorder caused by a β-globin gene point mutation that results in the production of sickle hemoglobin that polymerizes upon deoxygenation, causing the sickling of red blood cells (RBCs). RBC deformation initiates a sequence of events leading to multiple complications, such as hemolytic anemia, vaso-occlusion, chronic inflammation, and tissue damage. Macrophages participate in extravascular hemolysis by removing damaged RBCs, hence preventing the release of free hemoglobin and heme, and triggering inflammation. Upon erythrophagocytosis, macrophages metabolize RBC-derived hemoglobin, activating mechanisms responsible for recycling iron, which is then used for the generation of new RBCs to try to compensate for anemia. In the bone marrow, macrophages can create specialized niches, known as erythroblastic islands (EBIs), which regulate erythropoiesis. Anemia and inflammation present in SCD may trigger mechanisms of stress erythropoiesis, intensifying RBC generation by expanding the number of EBIs in the bone marrow and creating new ones in extramedullary sites. In the current review, we discuss the distinct mechanisms that could induce stress erythropoiesis in SCD, potentially shifting the macrophage phenotype to an inflammatory profile, and changing their supporting role necessary for the proliferation and differentiation of erythroid cells in the disease. The knowledge of the soluble factors, cell surface and intracellular molecules expressed by EBI macrophages that contribute to begin and end the RBC’s lifespan, as well as the understanding of their signaling pathways in SCD, may reveal potential targets to control the pathophysiology of the disease.
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22
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Conger AK, Tomasek T, Riedmann KJ, Douglas JS, Berkey LE, Ware LB, Bastarache JA, Meegan JE. Hemoglobin increases leukocyte adhesion and initiates lung microvascular endothelial activation via Toll-like receptor 4 signaling. Am J Physiol Cell Physiol 2023; 324:C665-C673. [PMID: 36717098 PMCID: PMC9970650 DOI: 10.1152/ajpcell.00211.2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 01/17/2023] [Accepted: 01/17/2023] [Indexed: 02/01/2023]
Abstract
Cell-free hemoglobin is a pathophysiological driver of endothelial injury during sepsis and acute respiratory distress syndrome (ARDS), but the precise mechanisms are not fully understood. We hypothesized that hemoglobin (Hb) increases leukocyte adhesion and endothelial activation in human lung microvascular endothelial cells (HLMVEC). We stimulated primary HLMVEC, or leukocytes isolated from healthy human donors, with Hb (0.5 mg/mL) and found that leukocyte adhesion to lung endothelium in response to Hb is an endothelial-dependent process. Next, we stimulated HLMVEC with Hb over time (1, 3, 6, and 24 h) and found increased transcription and release of inflammatory cytokines (IL-1β, IL-8, and IL-6). In addition, Hb exposure variably upregulated transcription, total protein expression, and cell-surface localization of adhesion molecules E-selectin, P-selectin, intercellular adhesion molecule-1 (ICAM-1), and vascular cell adhesion molecule-1 (VCAM-1). Since VCAM-1 was most upregulated by Hb, we further tested mechanisms for Hb-mediated upregulation of VCAM-1 in HLMVEC. Although upregulation of VCAM-1 was not prevented by hemoglobin scavenger haptoglobin, heme scavenger hemopexin, or inhibition of nod-like receptor protein 3 (NLRP3) signaling, blocking Toll-like receptor 4 (TLR4) with small molecule inhibitor TAK-242 (1 µM) prevented upregulation of VCAM-1 in response to Hb. Consistently, Hb increased nuclear factor-κB (NF-κB) activation and intracellular reactive oxygen species (ROS), which were both prevented by TLR4 inhibition. Together, these data demonstrate that Hb increases leukocyte-endothelial adhesion and activates HLMVEC through TLR4 signaling, indicating a potential mechanism for Hb-mediated pulmonary vascular injury during inflammatory and hemolytic conditions.
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Affiliation(s)
- Adrienne K Conger
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Toria Tomasek
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Kyle J Riedmann
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Joel S Douglas
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Lucia E Berkey
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Lorraine B Ware
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Julie A Bastarache
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, United States
- Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States
| | - Jamie E Meegan
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
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23
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Planchais C, Noe R, Gilbert M, Lecerf M, Kaveri SV, Lacroix-Desmazes S, Roumenina LT, Dimitrov JD. Oxidized hemoglobin triggers polyreactivity and autoreactivity of human IgG via transfer of heme. Commun Biol 2023; 6:168. [PMID: 36774392 PMCID: PMC9922299 DOI: 10.1038/s42003-023-04535-5] [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: 07/11/2022] [Accepted: 01/26/2023] [Indexed: 02/13/2023] Open
Abstract
Intravascular hemolysis occurs in diverse pathological conditions. Extracellular hemoglobin and heme have strong pro-oxidative and pro-inflammatory potentials that can contribute to the pathology of hemolytic diseases. However, many of the effects of extracellular hemoglobin and heme in hemolytic diseases are still not well understood. Here we demonstrate that oxidized hemoglobin (methemoglobin) can modify the antigen-binding characteristics of human immunoglobulins. Thus, incubation of polyclonal or some monoclonal human IgG in the presence of methemoglobin results in an appearance of binding reactivities towards distinct unrelated self-proteins, including the protein constituent of hemoglobin i.e., globin. We demonstrate that a transfer of heme from methemoglobin to IgG is indispensable for this acquisition of antibody polyreactivity. Our data also show that only oxidized form of hemoglobin have the capacity to induce polyreactivity of antibodies. Site-directed mutagenesis of a heme-sensitive human monoclonal IgG1 reveals details about the mechanism of methemoglobin-induced antigen-binding polyreactivity. Further here we assess the kinetics and thermodynamics of interaction of a heme-induced polyreactive human antibody with hemoglobin and myoglobin. Taken together presented data contribute to a better understanding of the functions of extracellular hemoglobin in the context of hemolytic diseases.
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Affiliation(s)
- Cyril Planchais
- Laboratory of Humoral Immunology, Institut Pasteur, Université Paris Cité, INSERM U1222, 75015 Paris, France
| | - Remi Noe
- grid.4444.00000 0001 2112 9282Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Marie Gilbert
- grid.4444.00000 0001 2112 9282Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Maxime Lecerf
- grid.4444.00000 0001 2112 9282Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Srini V. Kaveri
- grid.4444.00000 0001 2112 9282Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Sébastien Lacroix-Desmazes
- grid.4444.00000 0001 2112 9282Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Lubka T. Roumenina
- grid.4444.00000 0001 2112 9282Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Jordan D. Dimitrov
- grid.4444.00000 0001 2112 9282Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
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24
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Wiatr M, Hadzhieva M, Lecerf M, Noé R, Justesen S, Lacroix-Desmazes S, Dragon-Durey MA, Dimitrov JD. Hyperoxidized Species of Heme Have a Potent Capacity to Induce Autoreactivity of Human IgG Antibodies. Int J Mol Sci 2023; 24:ijms24043416. [PMID: 36834827 PMCID: PMC9960230 DOI: 10.3390/ijms24043416] [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: 12/30/2022] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
The interaction of some human antibodies with heme results in posttranslational acquisition of binding to various self- and pathogen-derived antigens. The previous studies on this phenomenon were performed with oxidized heme (Fe3+). In the present study, we elucidated the effect of other pathologically relevant species of heme, i.e., species that were formed after contact of heme with oxidizing agents such as hydrogen peroxide, situations in which heme's iron could acquire higher oxidation states. Our data reveal that hyperoxidized species of heme have a superior capacity to heme (Fe3+) in triggering the autoreactivity of human IgG. Mechanistic studies demonstrated that oxidation status of iron was of critical importance for the heme's effect on antibodies. We also demonstrated that hyperoxidized heme species interacted at higher affinities with IgG and that this binding occurred through a different mechanism as compared to heme (Fe3+). Regardless of their profound functional impact on the antigen-binding properties of antibodies, hyperoxidized species of heme did not affect Fc-mediated functions of IgG, such as binding to the neonatal Fc receptor. The obtained data contribute to a better understanding of the pathophysiological mechanism of hemolytic diseases and of the origin of elevated antibody autoreactivity in patients with some hemolytic disorders.
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Affiliation(s)
- Marie Wiatr
- Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Maya Hadzhieva
- Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Maxime Lecerf
- Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Rémi Noé
- Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Sune Justesen
- Immunitrack Aps, Lersoe Park Alle 42, 2100 Copenhagen, Denmark
| | - Sébastien Lacroix-Desmazes
- Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
| | - Marie-Agnès Dragon-Durey
- Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
- Service d’Immunologie Biologique, Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris, 75610 Paris, France
| | - Jordan D. Dimitrov
- Centre de Recherche des Cordeliers, INSERM, CNRS, Sorbonne Université, Université Paris Cité, 75006 Paris, France
- Correspondence: ; Tel.: +33-144-278206
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25
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Salgar S, Bolívar BE, Flanagan JM, Anum SJ, Bouchier-Hayes L. The NLRP3 inflammasome fires up heme-induced inflammation in hemolytic conditions. Transl Res 2023; 252:34-44. [PMID: 36041706 DOI: 10.1016/j.trsl.2022.08.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/29/2022] [Accepted: 08/21/2022] [Indexed: 01/14/2023]
Abstract
Overactive inflammatory responses are central to the pathophysiology of many hemolytic conditions including sickle cell disease. Excessive hemolysis leads to elevated serum levels of heme due to saturation of heme scavenging mechanisms. Extracellular heme has been shown to activate the NLRP3 inflammasome, leading to activation of caspase-1 and release of pro-inflammatory cytokines IL-1β and IL-18. Heme also activates the non-canonical inflammasome pathway, which may contribute to NLRP3 inflammasome formation and leads to pyroptosis, a type of inflammatory cell death. Some clinical studies indicate there is a benefit to blocking the NLRP3 inflammasome pathway in patients with sickle cell disease and other hemolytic conditions. However, a thorough understanding of the mechanisms of heme-induced inflammasome activation is needed to fully leverage this pathway for clinical benefit. This review will explore the mechanisms of heme-induced NLRP3 inflammasome activation and the role of this pathway in hemolytic conditions including sickle cell disease.
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Affiliation(s)
- Suruchi Salgar
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas
| | - Beatriz E Bolívar
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas; Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas
| | - Jonathan M Flanagan
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas
| | - Shaniqua J Anum
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas
| | - Lisa Bouchier-Hayes
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas; Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas.
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26
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Gaastra B, Duncan P, Bakker MK, Hostettler IC, Alg VS, Houlden H, Ruigrok YM, Galea I, Tapper W, Werring D, Bulters D. Genetic variation in NFE2L2 is associated with outcome following aneurysmal subarachnoid haemorrhage. Eur J Neurol 2023; 30:116-124. [PMID: 36148820 PMCID: PMC10092511 DOI: 10.1111/ene.15571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND PURPOSE Nuclear factor erythroid 2-related factor 2 (NRF2; encoded by the NFE2L2 gene) has been implicated in outcome following aneurysmal subarachnoid haemorrhage (aSAH) through its activity as a regulator of inflammation, oxidative injury and blood breakdown product clearance. The aim of this study was to identify whether genetic variation in NFE2L2 is associated with clinical outcome following aSAH. METHODS Ten tagging single nucleotide polymorphisms (SNPs) in NFE2L2 were genotyped and tested for association with dichotomized clinical outcome, assessed by the modified Rankin scale, in both a discovery and a validation cohort. In silico functional analysis was performed using a range of bioinformatic tools. RESULTS One SNP, rs10183914, was significantly associated with outcome following aSAH in both the discovery (n = 1007) and validation cohorts (n = 466). The risk of poor outcome was estimated to be 1.33-fold (95% confidence interval 1.12-1.58) higher in individuals with the T allele of rs10183914 (pmeta-analysis = 0.001). In silico functional analysis identified rs10183914 as a potentially regulatory variant with effects on transcription factor binding in addition to alternative splicing with the T allele, associated with a significant reduction in the NFE2L2 intron excision ratio (psQTL = 1.3 × 10-7 ). CONCLUSIONS The NFE2L2 SNP, rs10183914, is significantly associated with outcome following aSAH. This is consistent with a clinically relevant pathophysiological role for oxidative and inflammatory brain injury due to blood and its breakdown products in aSAH. Furthermore, our findings support NRF2 as a potential therapeutic target following aSAH and other forms of intracranial haemorrhage.
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Affiliation(s)
- Ben Gaastra
- Clinical Neurosciences, Clinical & Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
- Department of Neurosurgery, Wessex Neurological Centre, University Hospital Southampton, Southampton, UK
| | - Poppy Duncan
- Clinical Neurosciences, Clinical & Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Mark K Bakker
- Department of Neurology, University Medical Center Utrecht Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Isabel C Hostettler
- Stroke Research Centre, University College London, Institute of Neurology, London, UK
- Department of Neurosurgery, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Varinder S Alg
- Stroke Research Centre, University College London, Institute of Neurology, London, UK
| | - Henry Houlden
- Stroke Research Centre, University College London, Institute of Neurology, London, UK
| | - Ynte M Ruigrok
- Department of Neurology, University Medical Center Utrecht Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Ian Galea
- Clinical Neurosciences, Clinical & Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Will Tapper
- Clinical Neurosciences, Clinical & Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - David Werring
- Stroke Research Centre, University College London, Institute of Neurology, London, UK
| | - Diederik Bulters
- Department of Neurosurgery, Wessex Neurological Centre, University Hospital Southampton, Southampton, UK
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27
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Dang X, Kang Y, Wang X, Cao W, Li M, He Y, Pan X, Ye K, Xu D. Frequent exacerbators of chronic obstructive pulmonary disease have distinguishable sputum microbiome signatures during clinical stability. Front Microbiol 2022; 13:1037037. [PMID: 36532417 PMCID: PMC9753979 DOI: 10.3389/fmicb.2022.1037037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 11/09/2022] [Indexed: 11/09/2023] Open
Abstract
INTRODUCTION Frequent exacerbation phenotype of chronic obstructive pulmonary disease (COPD) represents a more concerning disease subgroup requiring better prevention and intervention, of which airway microbiome provides new perspective for further exploration. METHODS To investigate whether frequent exacerbators of COPD have distinguishable sputum microbiome during clinical stability, COPD patients at high disease grades with or without frequent exacerbation were recruited for sputum microbiome analysis. Sputum samples were collected during clinical stability and underwent 16S rRNA sequencing, which was then subjected for amplicon sequence variants (ASVs)-based microbiome analysis. RESULTS Our results revealed that compared with healthy controls and infrequent exacerbators, frequent COPD exacerbators have distinguishably dysbiotic sputum microbiome, as featured by fewer ASVs features, lower alpha diversity, distinct beta diversity patterns. Further taxonomic compositional analysis illustrated the structural distinctions between frequent COPD exacerbators and infrequent exacerbators at differential taxa levels and highlighted Stenotrephomonas due to its prominent elevation in frequent COPD exacerbators, providing a promising candidate for further exploration of microbiome biomarker. Moreover, we also demonstrated that frequent exacerbation phenotype is distinguishable from infrequent exacerbation phenotype with respect of functional implications. CONCLUSION Our study demonstrated the first positive correlation between the frequent exacerbation phenotype of COPD and the sputum microbiome during clinical stability in a single-center Chinese COPD cohort and provide potential diagnostic and therapeutic targets for further investigation.
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Affiliation(s)
- Xiaomin Dang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yongyong Kang
- Genome Institute, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Center for Mathematical Medical, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xiaojian Wang
- Chang’an District Hospital, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Wen Cao
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Minhui Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Ying He
- Chang’an District Hospital, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Xinjie Pan
- Chang’an District Hospital, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Kai Ye
- Genome Institute, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Center for Mathematical Medical, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Ministry of Education (MoE) Key Laboratory for Intelligent Networks and Network Security, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an, China
| | - Dan Xu
- Ministry of Education (MoE) Key Laboratory of Biomedical Information Engineering, School of Life Sciences and Technology, Xi’an Jiaotong University, Xi’an, China
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28
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Vijayan V, Greite R, Schott S, Doricic J, Madyaningrana K, Pradhan P, Martens J, Blasczyk R, Janciauskiene S, Immenschuh S. Determination of free heme in stored red blood cells with an apo-horseradish peroxidase-based assay. Biol Chem 2022; 403:1091-1098. [PMID: 36054292 DOI: 10.1515/hsz-2022-0184] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/15/2022] [Indexed: 12/19/2022]
Abstract
Transfusion effectiveness of red blood cells (RBCs) has been associated with duration of the storage period. Storage-dependent RBC alterations lead to hemolysis and release of toxic free heme, but the increase of free heme levels over time is largely unknown. In the current study, an apo-horseradish peroxidase (apoHRP)-based assay was applied to measure levels of free heme at regular intervals or periodically in supernatants of RBCs until a maximum storage period of 42 days. Free heme levels increased with linear time-dependent kinetics up to day 21 and accelerated disproportionally after day 28 until day 42, as determined with the apoHRP assay. Individual time courses of free heme in different RBC units exhibited high variability. Notably, levels of free hemoglobin, an established indicator of RBC damage, and those of total heme increased with continuous time-dependent linear kinetics over the entire 42 day storage period, respectively. Supernatants from RBC units with high levels of free heme led to inflammatory activation of human neutrophils. In conclusion, determining free heme in stored RBCs with the applied apoHRP assay may become feasible for testing of RBC storage quality in clinical transfusion medicine.
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Affiliation(s)
- Vijith Vijayan
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625 Hannover, Germany
| | - Robert Greite
- Department of Nephrology, Hannover Medical School, D-30625 Hannover, Germany
| | - Sebastian Schott
- Department of Nephrology, Hannover Medical School, D-30625 Hannover, Germany
| | - Julian Doricic
- Department of Nephrology, Hannover Medical School, D-30625 Hannover, Germany
| | - Kukuh Madyaningrana
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625 Hannover, Germany.,Faculty of Biotechnology, Universitas Kristen Duta Wacana, 55224 Yogyakarta, Indonesia
| | - Pooja Pradhan
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625 Hannover, Germany
| | - Jörg Martens
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625 Hannover, Germany
| | - Rainer Blasczyk
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625 Hannover, Germany
| | | | - Stephan Immenschuh
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625 Hannover, Germany
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29
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Vázquez-Carballo C, Herencia C, Guerrero-Hue M, García-Caballero C, Rayego-Mateos S, Morgado-Pascual JL, Opazo-Rios L, González-Guerrero C, Vallejo-Mudarra M, Cortegano I, Gaspar ML, de Andrés B, Egido J, Moreno JA. Role of Toll-like receptor 4 in intravascular hemolysis-mediated injury. J Pathol 2022; 258:236-249. [PMID: 35903022 DOI: 10.1002/path.5995] [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: 01/29/2022] [Revised: 07/17/2022] [Accepted: 07/25/2022] [Indexed: 01/07/2023]
Abstract
Massive intravascular hemolysis is a common characteristic of several pathologies. It is associated with the release of large quantities of heme into the circulation, promoting injury in vulnerable organs, mainly kidney, liver, and spleen. Heme activates Toll-like receptor 4 (TLR4), a key regulator of the inflammatory response; however, the role of TLR4 in hemolysis and whether inhibition of this receptor may protect from heme-mediated injury are unknown. We induced intravascular hemolysis by injection of phenylhydrazine in wildtype and Tlr4-knockout mice. In this model, we analyzed physiological parameters, histological damage, inflammation and cell death in kidney, liver, and spleen. We also evaluated whether heme-mediated-inflammatory effects were prevented by TLR4 inhibition with the compound TAK-242, both in vivo and in vitro. Induction of massive hemolysis elicited acute kidney injury characterized by loss of renal function, morphological alterations of the tubular epithelium, cell death, and inflammation. These pathological effects were significantly ameliorated in the TLR4-deficient mice and in wildtype mice treated with TAK-242. In vitro studies showed that TAK-242 pretreatment reduced heme-mediated inflammation by inhibiting the TLR4/NF-κB (nuclear factor kappa B) axis. However, analysis in liver and spleen indicated that TLR4 deficiency did not protect against the toxic accumulation of heme in these organs. In conclusion, TLR4 is a key molecule involved in the renal inflammatory response triggered by massive intravascular hemolysis. TLR4 inhibition may be a potential therapeutic approach to prevent renal damage in patients suffering from hemolysis. © 2022 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Cristina Vázquez-Carballo
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain
| | - Carmen Herencia
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain
| | - Melania Guerrero-Hue
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), UGC Nefrología, Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Cristina García-Caballero
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), UGC Nefrología, Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Sandra Rayego-Mateos
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain
| | - José Luis Morgado-Pascual
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), UGC Nefrología, Hospital Universitario Reina Sofía, Córdoba, Spain.,Department of Cell Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain
| | - Lucas Opazo-Rios
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain.,Health Science Faculty, Universidad de Las Américas, Concepción-Talcahuano, Chile
| | - Cristian González-Guerrero
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain
| | - Mercedes Vallejo-Mudarra
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), UGC Nefrología, Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Isabel Cortegano
- Immunobiology Department, Carlos III Health Institute, Madrid, Spain
| | | | - Belén de Andrés
- Immunobiology Department, Carlos III Health Institute, Madrid, Spain
| | - Jesús Egido
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
| | - Juan Antonio Moreno
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), UGC Nefrología, Hospital Universitario Reina Sofía, Córdoba, Spain.,Department of Cell Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain.,Biomedical Research Networking Center on Cardiovascular Diseases (CIBERCV), Madrid, Spain
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30
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Donegan RK. The role of host heme in bacterial infection. Biol Chem 2022; 403:1017-1029. [PMID: 36228088 DOI: 10.1515/hsz-2022-0192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 09/14/2022] [Indexed: 11/15/2022]
Abstract
Heme is an indispensable cofactor for almost all aerobic life, including the human host and many bacterial pathogens. During infection, heme and hemoproteins are the largest source of bioavailable iron, and pathogens have evolved various heme acquisition pathways to satisfy their need for iron and heme. Many of these pathways are regulated transcriptionally by intracellular iron levels, however, host heme availability and intracellular heme levels have also been found to regulate heme uptake in some species. Knowledge of these pathways has helped to uncover not only how these bacteria incorporate host heme into their metabolism but also provided insight into the importance of host heme as a nutrient source during infection. Within this review is covered multiple aspects of the role of heme at the host pathogen interface, including the various routes of heme biosynthesis, how heme is sequestered by the host, and how heme is scavenged by bacterial pathogens. Also discussed is how heme and hemoproteins alter the behavior of the host immune system and bacterial pathogens. Finally, some unanswered questions about the regulation of heme uptake and how host heme is integrated into bacterial metabolism are highlighted.
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Affiliation(s)
- Rebecca K Donegan
- Department of Chemistry, Barnard College, 3009 Broadway, New York, NY, 10027, USA
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31
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Activation of Nrf2 to Optimise Immune Responses to Intracerebral Haemorrhage. Biomolecules 2022; 12:biom12101438. [PMID: 36291647 PMCID: PMC9599325 DOI: 10.3390/biom12101438] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 09/30/2022] [Accepted: 10/04/2022] [Indexed: 11/17/2022] Open
Abstract
Haemorrhage into the brain parenchyma can be devastating. This manifests as spontaneous intracerebral haemorrhage (ICH) after head trauma, and in the context of vascular dementia. Randomised controlled trials have not reliably shown that haemostatic treatments aimed at limiting ICH haematoma expansion and surgical approaches to reducing haematoma volume are effective. Consequently, treatments to modulate the pathophysiological responses to ICH, which may cause secondary brain injury, are appealing. Following ICH, microglia and monocyte derived cells are recruited to the peri-haematomal environment where they phagocytose haematoma breakdown products and secrete inflammatory cytokines, which may trigger both protective and harmful responses. The transcription factor Nrf2, is activated by oxidative stress, is highly expressed by central nervous system microglia and macroglia. When active, Nrf2 induces a transcriptional programme characterised by increased expression of antioxidant, haem and heavy metal detoxification and proteostasis genes, as well as suppression of proinflammatory factors. Therefore, Nrf2 activation may facilitate adaptive-protective immune cell responses to ICH by boosting resistance to oxidative stress and heavy metal toxicity, whilst limiting harmful inflammatory signalling, which can contribute to further blood brain barrier dysfunction and cerebral oedema. In this review, we consider the responses of immune cells to ICH and how these might be modulated by Nrf2 activation. Finally, we propose potential therapeutic strategies to harness Nrf2 to improve the outcomes of patients with ICH.
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32
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C3d(g), iron nanoparticles, hemin and cytochrome c may induce oxidative cytotoxicity in tumors and reduce tumor-associated myeloid cells-mediated immunosuppression. Med Hypotheses 2022. [DOI: 10.1016/j.mehy.2022.110944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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33
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Stuehr DJ, Dai Y, Biswas P, Sweeny EA, Ghosh A. New roles for GAPDH, Hsp90, and NO in regulating heme allocation and hemeprotein function in mammals. Biol Chem 2022; 403:1005-1015. [PMID: 36152339 PMCID: PMC10184026 DOI: 10.1515/hsz-2022-0197] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/17/2022] [Indexed: 12/23/2022]
Abstract
The intracellular trafficking of mitochondrial heme presents a fundamental challenge to animal cells. This article provides some background on heme allocation, discusses some of the concepts, and then reviews research done over the last decade, much in the author's laboratory, that is uncovering unexpected and important roles for glyceraldehyde 3-phosphate dehydrogenase (GAPDH), heat shock protein 90 (hsp90), and nitric oxide (NO) in enabling and regulating the allocation of mitochondrial heme to hemeproteins that mature and function outside of the mitochondria. A model for how hemeprotein functions can be regulated in cells through the coordinate participation of GAPDH, hsp90, and NO in allocating cellular heme is presented.
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Affiliation(s)
- Dennis J Stuehr
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Yue Dai
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Pranjal Biswas
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Elizabeth A Sweeny
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Arnab Ghosh
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
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34
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Lin J, Lin K, Huang L, Jiang Y, Ding X, Luo W, Samorodov AV, Pavlov VN, Liang G, Qian J, Wang Y. Heme induces inflammatory injury by directly binding to the complex of myeloid differentiation protein 2 and toll-like receptor 4. Toxicol Lett 2022; 370:15-23. [PMID: 36115635 DOI: 10.1016/j.toxlet.2022.09.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/20/2022] [Accepted: 09/12/2022] [Indexed: 10/31/2022]
Abstract
Heme, as an essential component of hemoproteins, is a prosthetic co-factor found in many cells, which is essential for physiologically vital oxygen transport. However, extracellular or circulatory heme is cytotoxic and triggers inflammation. Although the proinflammatory role of heme has been reported to be associated with Toll-like receptor 4 (TLR4) signaling, the exact mechanism remains unknown. Here, we show that heme promotes TLR4 signaling and inflammation via directly physically interacting with TLR4 and its adaptor protein myeloid differentiation protein 2 (MD2). Genetic loss of MD2 ameliorates heme-induced inflammation and inflammatory cytokine production in the spleen of MD2 knockout (MD2-/-) mice. Using mouse macrophage RAW 264.7 cell line, we show that heme induces TLR4 dimerization and MD2/TLR4/MyD88 activation by physically interacting with TLR4 and MD2 in vitro. Genetic loss of MD2 inhibits heme-induced inflammation and MAPK/NF-κB pathway in mouse primary macrophages extracted from MD2-/- mice. Furthermore, pharmacological inhibition of MD2 by L6H9 ameliorates heme-induced inflammation in macrophages. These findings demonstrate that heme causes inflammation by directly binding to MD2/TLR4 complex, leading to activation of TLR4/MAPK/NF-κB signaling pathway and production of downstream effectors of inflammation.
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Affiliation(s)
- Jianjun Lin
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, Zhejiang 315700, China
| | - Ke Lin
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Lijiang Huang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, Zhejiang 315700, China
| | - Yongsheng Jiang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, Zhejiang 315700, China
| | - Xiaoxiao Ding
- Department of pharmacy, the People' s Hospital of Beilun District , Ningbo, Zhejiang 315807, China
| | - Wu Luo
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Aleksandr V Samorodov
- Department of Pharmacology, Bashkir State Medical University, Ufa City 450005, Russia
| | - Valentin N Pavlov
- Department of Pharmacology, Bashkir State Medical University, Ufa City 450005, Russia
| | - Guang Liang
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang 311399, China
| | - Jianchang Qian
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
| | - Yi Wang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, Zhejiang 315700, China; Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
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35
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Kang DW, Cha BG, Lee JH, Yang W, Ki SK, Han JH, Cho HY, Park E, Jeon S, Lee SH. Ultrasmall polymer-coated cerium oxide nanoparticles as a traumatic brain injury therapy. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2022; 45:102586. [PMID: 35868519 DOI: 10.1016/j.nano.2022.102586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/30/2022] [Accepted: 07/10/2022] [Indexed: 06/15/2023]
Abstract
No medication has been approved for secondary injuries after traumatic brain injury (TBI). While free radicals are considered a major mediator of secondary injury, conventional antioxidants only have modest clinical efficacy. Here, we synthesized CX201 consisting of core cerium oxide nanoparticles coated with 6-aminocaproic acid and polyvinylpyrrolidone in aqueous phase. CX201 with 3.49 ± 1.11 nm of core and 6.49 ± 0.56 nm of hydrodynamic diameter showed multi-enzymatic antioxidant function. Owing to its excellent physiological stability and cell viability, CX201 had a neuroprotective effect in vitro. In a TBI animal model, an investigator-blinded randomized experiment showed a single intravenously injected CX201 significantly improved functional recovery compared to the control. CX201 reduced lipid peroxidation and inflammatory cell recruitment at the damaged brain. These suggest ultrasmall CX201 can efficiently reduce secondary brain injuries after TBI. Given the absence of current therapies, CX201 may be proposed as a novel therapeutic strategy for TBI.
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Affiliation(s)
- Dong-Wan Kang
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | | | - Jee Hoon Lee
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea; Cenyx Biotech, Inc., Seoul, Republic of Korea
| | - Wookjin Yang
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Seul Ki Ki
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea; Cenyx Biotech, Inc., Seoul, Republic of Korea
| | - Ju Hee Han
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea; Cenyx Biotech, Inc., Seoul, Republic of Korea
| | - Ha Yoon Cho
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea; Cenyx Biotech, Inc., Seoul, Republic of Korea
| | - Eunchae Park
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea; Cenyx Biotech, Inc., Seoul, Republic of Korea
| | - Sohyun Jeon
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea; Cenyx Biotech, Inc., Seoul, Republic of Korea
| | - Seung-Hoon Lee
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea; Cenyx Biotech, Inc., Seoul, Republic of Korea; Korean Cerebrovascular Research Institute, Seoul, Republic of Korea.
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36
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Hounkpe BW, Moraes CRP, Lanaro C, Santos MNN, Costa FF, De Paula EV. Evaluation of the mechanisms of heme-induced tissue factor activation: Contribution of innate immune pathways. Exp Biol Med (Maywood) 2022; 247:1542-1547. [PMID: 35775605 PMCID: PMC9554166 DOI: 10.1177/15353702221106475] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Hemolytic diseases such as Sickle Cell Disease (SCD) are characterized by a natural propensity for both arterial and venous thrombosis. The ability of heme to induce tissue factor (TF) activation has been shown both in animal models of SCD, and in human endothelial cells and monocytes. Moreover, it was recently demonstrated that heme can induce coagulation activation in the whole blood of healthy volunteers in a TF-dependent fashion. Herein, we aim to further explore the cellular mechanisms by which heme induces TF-coagulation activation, using human mononuclear cells, which have been shown to be relevant to in vivo hemostasis. TF mRNA expression was evaluated by qPCR and TF procoagulant activity was evaluated using a 2-stage assay based on the generation of activated factor X (FXa). Heme was capable of inducing both TF expression and activation in a TLR4-dependent pathway. This activity was further amplified after TNF-α-priming. Our results provide additional details on the mechanisms by which heme is involved in the pathogenesis of hypercoagulability in hemolytic diseases.
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Affiliation(s)
| | | | - Carolina Lanaro
- Hematology and Hemotherapy Center, University of Campinas, CEP 13083-970 Campinas, Brazil
| | | | - Fernando Ferreira Costa
- School of Medical Sciences, University of Campinas, CEP 13083-894 Campinas, Brazil,Hematology and Hemotherapy Center, University of Campinas, CEP 13083-970 Campinas, Brazil
| | - Erich Vinicius De Paula
- School of Medical Sciences, University of Campinas, CEP 13083-894 Campinas, Brazil,Hematology and Hemotherapy Center, University of Campinas, CEP 13083-970 Campinas, Brazil,Erich Vinicius De Paula.
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37
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Stand der Technik und Durchbruch bei der kardialen Xenotransplantation. ZEITSCHRIFT FUR HERZ THORAX UND GEFASSCHIRURGIE 2022. [DOI: 10.1007/s00398-022-00534-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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38
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Silva RCMC, Vasconcelos LR, Travassos LH. The different facets of heme-oxygenase 1 in innate and adaptive immunity. Cell Biochem Biophys 2022; 80:609-631. [PMID: 36018440 DOI: 10.1007/s12013-022-01087-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 07/20/2022] [Indexed: 11/26/2022]
Abstract
Heme oxygenase (HO) enzymes are responsible for the main oxidative step in heme degradation, generating equimolar amounts of free iron, biliverdin and carbon monoxide. HO-1 is induced as a crucial stress response protein, playing protective roles in physiologic and pathological conditions, due to its antioxidant, anti-apoptotic and anti-inflammatory effects. The mechanisms behind HO-1-mediated protection are being explored by different studies, affecting cell fate through multiple ways, such as reduction in intracellular levels of heme and ROS, transcriptional regulation, and through its byproducts generation. In this review we focus on the interplay between HO-1 and immune-related signaling pathways, which culminate in the activation of transcription factors important in immune responses and inflammation. We also discuss the dual interaction of HO-1 and inflammatory mediators that govern resolution and tissue damage. We highlight the dichotomy of HO-1 in innate and adaptive immune cells development and activation in different disease contexts. Finally, we address different known anti-inflammatory pharmaceuticals that are now being described to modulate HO-1, and the possible contribution of HO-1 in their anti-inflammatory effects.
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Affiliation(s)
- Rafael Cardoso Maciel Costa Silva
- Laboratory of Immunoreceptors and Signaling, Instituto de Biofísica Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Luiz Ricardo Vasconcelos
- Cellular Signaling and Cytoskeletal Function Laboratory, The Francis Crick Institute, London, UK
| | - Leonardo Holanda Travassos
- Laboratory of Immunoreceptors and Signaling, Instituto de Biofísica Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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39
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Homan RA, Jadhav AM, Conway LP, Parker CG. A Chemical Proteomic Map of Heme-Protein Interactions. J Am Chem Soc 2022; 144:15013-15019. [PMID: 35960875 PMCID: PMC9811995 DOI: 10.1021/jacs.2c06104] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Heme is an essential cofactor for many human proteins as well as the primary transporter of oxygen in blood. Recent studies have also established heme as a signaling molecule, imparting its effects through binding with protein partners rather than through reactivity of its metal center. However, the comprehensive annotation of such heme-binding proteins in the human proteome remains incomplete. Here, we describe a strategy which utilizes a heme-based photoaffinity probe integrated with quantitative proteomics to map heme-protein interactions across the proteome. In these studies, we identified 350+ unique heme-protein interactions, the vast majority of which were heretofore unknown and consist of targets from diverse functional classes, including transporters, receptors, enzymes, transcription factors, and chaperones. Among these proteins is the immune-related interleukin receptor-associated kinase 1 (IRAK1), where we provide preliminary evidence that heme agonizes its catalytic activity. Our findings should improve the current understanding of heme's regulation as well as its signaling functions and facilitate new insights of its roles in human disease.
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Affiliation(s)
- Rick A. Homan
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Appaso M. Jadhav
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Louis P. Conway
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Christopher G. Parker
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
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Gerogianni A, Dimitrov JD, Zarantonello A, Poillerat V, Chonat S, Sandholm K, McAdam KE, Ekdahl KN, Mollnes TE, Mohlin C, Roumenina LT, Nilsson PH. Heme Interferes With Complement Factor I-Dependent Regulation by Enhancing Alternative Pathway Activation. Front Immunol 2022; 13:901876. [PMID: 35935964 PMCID: PMC9354932 DOI: 10.3389/fimmu.2022.901876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/23/2022] [Indexed: 11/13/2022] Open
Abstract
Hemolysis, as a result of disease or exposure to biomaterials, is characterized by excess amounts of cell-free heme intravascularly and consumption of the protective heme-scavenger proteins in plasma. The liberation of heme has been linked to the activation of inflammatory systems, including the complement system, through alternative pathway activation. Here, we investigated the impact of heme on the regulatory function of the complement system. Heme dose-dependently inhibited factor I-mediated degradation of soluble and surface-bound C3b, when incubated in plasma or buffer with complement regulatory proteins. Inhibition occurred with factor H and soluble complement receptor 1 as co-factors, and the mechanism was linked to the direct heme-interaction with factor I. The heme-scavenger protein hemopexin was the main contaminant in purified factor I preparations. This led us to identify that hemopexin formed a complex with factor I in normal human plasma. These complexes were significantly reduced during acute vasoocclusive pain crisis in patients with sickle cell disease, but the complexes were normalized at their baseline outpatient clinic visit. Hemopexin exposed a protective function of factor I activity in vitro, but only when it was present before the addition of heme. In conclusion, we present a mechanistic explanation of how heme promotes uncontrolled complement alternative pathway amplification by interfering with the regulatory capacity of factor I. Reduced levels of hemopexin and hemopexin-factor I complexes during an acute hemolytic crisis is a risk factor for heme-mediated factor I inhibition.
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Affiliation(s)
- Alexandra Gerogianni
- Linnaeus Centre for Biomaterials Chemistry, Linnaeus University, Kalmar, Sweden
- Department of Chemistry and Biomedicine, Linnaeus University, Kalmar, Sweden
| | - Jordan D. Dimitrov
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Alessandra Zarantonello
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Victoria Poillerat
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Satheesh Chonat
- Aflac Cancer and Blood Disorders Center, Children’s Healthcare of Atlanta, Atlanta, GA, United States
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, United States
| | - Kerstin Sandholm
- Department of Chemistry and Biomedicine, Linnaeus University, Kalmar, Sweden
| | - Karin E. McAdam
- Department of Immunology, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Kristina N. Ekdahl
- Linnaeus Centre for Biomaterials Chemistry, Linnaeus University, Kalmar, Sweden
- Department of Chemistry and Biomedicine, Linnaeus University, Kalmar, Sweden
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Tom E. Mollnes
- Department of Immunology, Oslo University Hospital and University of Oslo, Oslo, Norway
- Centre of Molecular Inflammation Research, and Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
- Research Laboratory, Nordland Hospital, Bodo, Norway
| | - Camilla Mohlin
- Linnaeus Centre for Biomaterials Chemistry, Linnaeus University, Kalmar, Sweden
- Department of Chemistry and Biomedicine, Linnaeus University, Kalmar, Sweden
| | - Lubka T. Roumenina
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Per H. Nilsson
- Linnaeus Centre for Biomaterials Chemistry, Linnaeus University, Kalmar, Sweden
- Department of Chemistry and Biomedicine, Linnaeus University, Kalmar, Sweden
- Department of Immunology, Oslo University Hospital and University of Oslo, Oslo, Norway
- *Correspondence: Per H. Nilsson,
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Yin N, Zhao Y, Liu C, Yang Y, Wang ZH, Yu W, Zhang K, Zhang Z, Liu J, Zhang Y, Shi J. Engineered Nanoerythrocytes Alleviate Central Nervous System Inflammation by Regulating the Polarization of Inflammatory Microglia. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201322. [PMID: 35483045 DOI: 10.1002/adma.202201322] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/26/2022] [Indexed: 06/14/2023]
Abstract
Microglial polarization is one of the most promising therapeutic strategies for multiple central nervous system (CNS) disorders. However, safe, effective, and controllable microglial regulation still faces formidable challenges. Although some anti-inflammatory factors promote microglia polarization, their short half-life, high cost, unpredictable in vivo behavior, and complex delivery operations, hamper their clinical application. Here, inspired by the natural microhemorrhage cleaning mechanism, an MG1 peptide and RVG29 peptide engineered nanoerythrocyte (NEMR) that can reprogram microglia are developed from classical M1 toward alternative M2 by inducing heme oxygenase-1 (HO-1), stimulating Notch1/Hes1/Stat3 signaling, and further inhibiting NF-κB p65 translocation. Moreover, anti-inflammatory carbon monoxide (CO) and bilirubin produced by endogenous metabolism of heme further reinforces the anti-inflammatory effect. In middle cerebral artery occlusion and experimental autoimmune encephalomyelitis models, a satisfactory prognosis is achieved, with precise regulation of inflammatory microglia in lesion sites, increased expression of anti-inflammatory factors, reduced blood-brain barrier permeability, as well as promotion of neurogenesis and functional recovery. Furthermore, NEMR can be integrated with clinical therapeutic agents, which facilitates precise drug delivery to enhance therapeutic effects. Hence, the natural nanoerythrocytes, as a feasible, efficient, safe, and practical tool, provides a new strategy for rebalancing of the immune environment in the CNS disorders.
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Affiliation(s)
- Na Yin
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Yuzhen Zhao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Changhua Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Yue Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Zhi-Hao Wang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Wenyan Yu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Kaixiang Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Zhenzhong Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, 450001, P. R. China
| | - Junjie Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, 450001, P. R. China
| | - Yun Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, 450001, P. R. China
| | - Jinjin Shi
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, 450001, P. R. China
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42
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Xu MM, Wu B, Huang GG, Feng CL, Wang XH, Wang HY, Wu YW, Tang W. Hemin protects against Zika virus infection by disrupting virus-endosome fusion. Antiviral Res 2022; 203:105347. [DOI: 10.1016/j.antiviral.2022.105347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 05/18/2022] [Accepted: 05/23/2022] [Indexed: 11/24/2022]
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43
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Amorim CS, Moraes JA, Magdalena IDJ, López SG, Carneiro ACD, Nunes IKDC, Pizzatti L, Sardela VF, Aquino Neto FR, Mirotti LC, Pereira HMG, Renovato-Martins M. Extracellular Vesicles From Stored Red Blood Cells Convey Heme and Induce Spic Expression on Human Monocytes. Front Immunol 2022; 13:833286. [PMID: 35663938 PMCID: PMC9157768 DOI: 10.3389/fimmu.2022.833286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 04/20/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Carolinne Souza Amorim
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.,Laboratório de Biologia Redox, Programa de Pesquisa em Farmacologia e Inflamação, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - João Alfredo Moraes
- Laboratório de Biologia Redox, Programa de Pesquisa em Farmacologia e Inflamação, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ingrid de Jesus Magdalena
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Sheila Gutiérrez López
- Laboratório de Biologia Molecular e Proteômica do Sangue-Laboratório de Apoio ao Desenvolvimento Tecnológico (LABMOPS-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Ana Carolina Dudenhoeffer Carneiro
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Isabelle Karine da Costa Nunes
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Luciana Pizzatti
- Laboratório de Biologia Molecular e Proteômica do Sangue-Laboratório de Apoio ao Desenvolvimento Tecnológico (LABMOPS-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Vinícius Figueiredo Sardela
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Francisco Radler Aquino Neto
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Luciana Cristina Mirotti
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Henrique Marcelo Gualberto Pereira
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Mariana Renovato-Martins
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.,Laboratório de Inflamação e Metabolismo, Departamento de Biologia Celular e Molecular, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
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Cariaco Y, Almeida MPO, Araujo ECB, Briceño MPP, Durán-Rodriguez AT, Franco RR, Espindola FS, Silva NM. Inhibition of Heme Oxygenase-1 by Zinc Protoporphyrin IX Improves Adverse Pregnancy Outcomes in Malaria During Early Gestation. Front Immunol 2022; 13:879158. [PMID: 35619717 PMCID: PMC9127164 DOI: 10.3389/fimmu.2022.879158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 04/14/2022] [Indexed: 11/13/2022] Open
Abstract
The enzyme heme oxygenase-1 (HO-1) has cytoprotective effects by catalyzing the degradation of heme to produce carbon monoxide, iron and biliverdin. Furthermore, HO-1 activity has been associated with successful pregnancy. On the other hand, in the context of certain inflammatory conditions, HO-1 can induce iron overload and cell death. To investigate the role of HO-1 in gestational malaria, pregnant BALB/c mice were infected with Plasmodium berghei ANKA in early, mid and late gestation. We found that malaria affected the pregnancy outcome in the three periods evaluated. However, only poor pregnancy outcomes in early pregnancy were related to HO-1 upregulation, iron overload, lipid peroxidation and necrosis of the decidua, which were prevented by HO-1 inhibition. In conclusion, HO-1 expression must be finely tuned in gestational malaria to avoid the deleterious effect of increased enzyme activity.
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Affiliation(s)
- Yusmaris Cariaco
- Laboratory of Immunopathology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Marcos Paulo Oliveira Almeida
- Laboratory of Immunopathology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Ester Cristina Borges Araujo
- Laboratory of Immunopathology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | | | | | - Rodrigo Rodrigues Franco
- Laboratory of Biochemistry and Molecular Biology, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Brazil
| | - Foued Salmen Espindola
- Laboratory of Biochemistry and Molecular Biology, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Brazil
| | - Neide Maria Silva
- Laboratory of Immunopathology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
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45
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Lima-Silva LF, Lee J, Moraes-Vieira PM. Soluble Carrier Transporters and Mitochondria in the Immunometabolic Regulation of Macrophages. Antioxid Redox Signal 2022; 36:906-919. [PMID: 34555943 PMCID: PMC9271333 DOI: 10.1089/ars.2021.0181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Significance: Immunometabolic regulation of macrophages is a growing area of research across many fields. Here, we review the contribution of solute carriers (SLCs) in regulating macrophage metabolism. We also highlight key mechanisms that regulate SLC function, their effects on mitochondrial activity, and how these intracellular activities contribute to macrophage fitness in health and disease. Recent Advances: SLCs serve as a major drug absorption pathway and represent a novel category of therapeutic drug targets. SLC dynamics affect cellular nutritional sensors, such as AMP-activated protein kinase and mammalian target of rapamycin, and consequently alter the cellular metabolism and mitochondrial dynamics within macrophages to adapt to a new functional phenotype. Critical Issues: SLC function affects macrophage phenotype, but their mechanisms of action and how their functions contribute to host health remain incompletely defined. Future Directions: Few studies focus on the impact of solute transporters on macrophage function. Identifying which SLCs are present in macrophages and determining their functional roles may reveal novel therapeutic targets with which to treat metabolic and inflammatory diseases. Antioxid. Redox Signal. 36, 906-919.
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Affiliation(s)
- Lincon Felipe Lima-Silva
- Laboratory of Immunometabolism, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, Brazil.,Post Graduate Program in Immunology, Institute of Biomedical Science, University of São Paulo, São Paulo, Brazil
| | - Jennifer Lee
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Pedro M Moraes-Vieira
- Laboratory of Immunometabolism, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, Brazil.,Experimental Medicine Research Cluster (EMRC), University of Campinas, Campinas, Brazil.,Obesity and Comorbidities Research Center (OCRC), University of Campinas, Campinas, Brazil
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46
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The Toxic Influence of Excess Free Iron on Red Blood Cells in the Biophysical Experiment: An In Vitro Study. J Toxicol 2022; 2022:7113958. [PMID: 35256882 PMCID: PMC8898121 DOI: 10.1155/2022/7113958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 01/10/2022] [Indexed: 11/18/2022] Open
Abstract
Iron is needed for life-essential processes, but free iron overload causes dangerous clinical consequences. The study of the role of red blood cells (RBCs) in the influence of excess free iron in the blood on the pathological consequences in an organism is relevant. Here, in a direct biophysical experiment in vitro, we studied the action of free iron overload on the packed red blood cell (pRBC) characteristics. In experiments, we incubated pRBCs with the ferrous sulfate solution (Fe2+). Wе used free iron in a wide range of concentrations. High Fe2+ concentrations made us possible to establish the pattern of the toxic effect of excess iron on pRBCs during a reduced incubation time in a biophysical experiment in vitro. It was found that excess free iron causes changes in pRBC morphology, the appearance of bridges between cells, and the formation of clots, increasing the membrane stiffness and methemoglobin concentration. We created a kinetic model of changes in the hemoglobin derivatives. The complex of simultaneous distortions of pRBCs established in our experiments can be taken into account when studying the mechanism of the toxic influence of excess free iron in the blood on pathological changes in an organism.
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47
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Olie CS, van Zeijl R, El Abdellaoui S, Kolk A, Overbeek C, Nelissen RGHH, Heijs B, Raz V. The metabolic landscape in chronic rotator cuff tear reveals tissue-region-specific signatures. J Cachexia Sarcopenia Muscle 2022; 13:532-543. [PMID: 34866353 PMCID: PMC8818701 DOI: 10.1002/jcsm.12873] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 10/19/2021] [Accepted: 10/29/2021] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Degeneration of shoulder muscle tissues often result in tearing, causing pain, disability and loss of independence. Differential muscle involvement patterns have been reported in tears of shoulder muscles, yet the molecules involved in this pathology are poorly understood. The spatial distribution of biomolecules across the affected tissue can be accurately obtained with matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI). The goal of this pilot study was to decipher the metabolic landscape across shoulder muscle tissues and to identify signatures of degenerated muscles in chronic conditions. METHODS Paired biopsies of two rotator cuff muscles, torn infraspinatus and intact teres minor, together with an intact shoulder muscle, the deltoid, were collected during an open tendon transfer surgery. Five patients, average age 65.2 ± 3.8 years, were selected for spatial metabolic profiling using high-spatial resolution (MALDI-TOF) and high-mass resolution (MALDI-FTICR) MSI in negative or positive ion mode. Metabolic signatures were identified using data-driven analysis. Verifications of spatial localization for selected metabolic signatures were carried out using antibody immunohistology. RESULTS Data-driven analysis revealed major metabolic differences between intact and degenerated regions across all muscles. The area of degenerated regions, encompassed of fat, inflammation and fibrosis, significantly increased in both rotator cuff muscles, teres minor (27.9%) and infraspinatus (22.8%), compared with the deltoid (8.7%). The intact regions were characterized by 49 features, among which lipids were recognized. Several of the identified lipids were specifically enriched in certain myofiber types. Degenerated regions were specifically marked by the presence of 37 features. Heme was the most abundant metabolite in degenerated regions, whereas Heme oxygenase-1 (HO-1), which catabolizes heme, was found in intact regions. Higher HO-1 levels correlated with lower heme accumulation. CONCLUSIONS Degenerated regions are distinguished from intact regions by their metabolome profile. A muscle-specific metabolome profile was not identified. The area of tissue degeneration significantly differs between the three examined muscles. Higher HO-1 levels in intact regions concurred with lower heme levels in degenerated regions. Moreover, HO-1 levels discriminated between dysfunctional and functional rotator cuff muscles. Additionally, the enrichment of specific lipids in certain myofiber types suggests that lipid metabolism differs between myofiber types. The signature metabolites can open options to develop personalized treatments for chronic shoulder muscles degeneration.
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Affiliation(s)
| | - René van Zeijl
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Salma El Abdellaoui
- Human Genetics Department, Leiden University Medical Center, Leiden, The Netherlands
| | - Arjen Kolk
- Department of Orthopedics, Leiden University Medical Center, Leiden, The Netherlands
| | - Celeste Overbeek
- Department of Orthopedics, Leiden University Medical Center, Leiden, The Netherlands
| | - Rob G H H Nelissen
- Department of Orthopedics, Leiden University Medical Center, Leiden, The Netherlands
| | - Bram Heijs
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Vered Raz
- Human Genetics Department, Leiden University Medical Center, Leiden, The Netherlands
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48
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Fleischhacker AS, Sarkar A, Liu L, Ragsdale SW. Regulation of protein function and degradation by heme, heme responsive motifs, and CO. Crit Rev Biochem Mol Biol 2022; 57:16-47. [PMID: 34517731 PMCID: PMC8966953 DOI: 10.1080/10409238.2021.1961674] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Heme is an essential biomolecule and cofactor involved in a myriad of biological processes. In this review, we focus on how heme binding to heme regulatory motifs (HRMs), catalytic sites, and gas signaling molecules as well as how changes in the heme redox state regulate protein structure, function, and degradation. We also relate these heme-dependent changes to the affected metabolic processes. We center our discussion on two HRM-containing proteins: human heme oxygenase-2, a protein that binds and degrades heme (releasing Fe2+ and CO) in its catalytic core and binds Fe3+-heme at HRMs located within an unstructured region of the enzyme, and the transcriptional regulator Rev-erbβ, a protein that binds Fe3+-heme at an HRM and is involved in CO sensing. We will discuss these and other proteins as they relate to cellular heme composition, homeostasis, and trafficking. In addition, we will discuss the HRM-containing family of proteins and how the stability and activity of these proteins are regulated in a dependent manner through the HRMs. Then, after reviewing CO-mediated protein regulation of heme proteins, we turn our attention to the involvement of heme, HRMs, and CO in circadian rhythms. In sum, we stress the importance of understanding the various roles of heme and the distribution of the different heme pools as they relate to the heme redox state, CO, and heme binding affinities.
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Affiliation(s)
- Angela S. Fleischhacker
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Anindita Sarkar
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Liu Liu
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Stephen W. Ragsdale
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, MI, USA
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49
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Exploring the Immune-Boosting Functions of Vitamins and Minerals as Nutritional Food Bioactive Compounds: A Comprehensive Review. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27020555. [PMID: 35056870 PMCID: PMC8779769 DOI: 10.3390/molecules27020555] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 01/04/2022] [Accepted: 01/10/2022] [Indexed: 02/06/2023]
Abstract
Food components have long been recognized to play a fundamental role in the growth and development of the human body, conferring protective functionalities against foreign matter that can be severe public health problems. Micronutrients such as vitamins and minerals are essential to the human body, and individuals must meet their daily requirements through dietary sources. Micronutrients act as immunomodulators and protect the host immune response, thus preventing immune evasion by pathogenic organisms. Several experimental investigations have been undertaken to appraise the immunomodulatory functions of vitamins and minerals. Based on these experimental findings, this review describes the immune-boosting functionalities of micronutrients and the mechanisms of action through which these functions are mediated. Deficiencies of vitamins and minerals in plasma concentrations can lead to a reduction in the performance of the immune system functioning, representing a key contributor to unfavorable immunological states. This review provides a descriptive overview of the characteristics of the immune system and the utilization of micronutrients (vitamins and minerals) in preventative strategies designed to reduce morbidity and mortality among patients suffering from immune invasions or autoimmune disorders.
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Divergent roles of haptoglobin and hemopexin deficiency for disease progression of Shiga-toxin-induced hemolytic-uremic syndrome in mice. Kidney Int 2022; 101:1171-1185. [PMID: 35031328 DOI: 10.1016/j.kint.2021.12.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 12/05/2021] [Accepted: 12/16/2021] [Indexed: 02/06/2023]
Abstract
Thrombotic microangiopathy, hemolysis and acute kidney injury are typical clinical characteristics of hemolytic-uremic syndrome (HUS), which is predominantly caused by Shiga-toxin-producing Escherichia coli. Free heme aggravates organ damage in life-threatening infections, even with a low degree of systemic hemolysis. Therefore, we hypothesized that the presence of the hemoglobin- and the heme-scavenging proteins, haptoglobin and hemopexin, respectively impacts outcome and kidney pathology in HUS. Here, we investigated the effect of haptoglobin and hemopexin deficiency (haptoglobin-/-, hemopexin-/-) and haptoglobin treatment in a murine model of HUS-like disease. Seven-day survival was decreased in haptoglobin-/- (25%) compared to wild type mice (71.4%), whereas all hemopexin-/- mice survived. Shiga-toxin-challenged hemopexin-/- mice showed decreased kidney inflammation and attenuated thrombotic microangiopathy, indicated by reduced neutrophil recruitment and platelet deposition. These observations were associated with supranormal haptoglobin plasma levels in hemopexin-/- mice. Low dose haptoglobin administration to Shiga-toxin-challenged wild type mice attenuated kidney platelet deposition and neutrophil recruitment, suggesting that haptoglobin at least partially contributes to the beneficial effects. Surrogate parameters of hemolysis were elevated in Shiga-toxin-challenged wild type and haptoglobin-/- mice, while signs for hepatic hemoglobin degradation like heme oxygenase-1, ferritin and CD163 expression were only increased in Shiga-toxin-challenged wild type mice. In line with this observation, haptoglobin-/- mice displayed tubular iron deposition as an indicator for kidney hemoglobin degradation. Thus, haptoglobin and hemopexin deficiency play divergent roles in Shiga-toxin-mediated HUS, suggesting haptoglobin is involved, and hemopexin is redundant for the resolution of HUS pathology.
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