1
|
Li X, Ma Y, Wang D. The role of P-selectin/PSGL-1 in regulating NETs as a novel mechanism in cerebral ischemic injury. Front Neurol 2024; 15:1442613. [PMID: 39022737 PMCID: PMC11252044 DOI: 10.3389/fneur.2024.1442613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Accepted: 06/20/2024] [Indexed: 07/20/2024] Open
Abstract
In recent years, substantial advancements have been made in understanding the pathophysiology of ischemic stroke. Despite these developments, therapeutic options for cerebral ischemia remain limited due to stringent time windows and various contraindications. Consequently, there has been a concentrated effort to elucidate the underlying mechanisms of cerebral ischemic injury. Emerging research indicates that neutrophil extracellular traps (NETs) exacerbate inflammation and damage in ischemic brain tissue, contributing to neuronal cell death. The inhibition of NETs has shown potential in preventing thrombosis and the infiltration of immune cells. Central to the formation of NETs are P-selectin and its ligand, P-selectin glycoprotein ligand-1 (PSGL-1), which represent promising therapeutic targets. This review explores the detrimental impact of P-selectin, PSGL-1, and NETs on cerebral ischemia. Additionally, it delineates the processes by which P-selectin and PSGL-1 stimulate NETs production and provides evidence that blocking these molecules reduces NETs formation. This novel insight highlights a potential therapeutic avenue that warrants further investigation by researchers in the field.
Collapse
Affiliation(s)
- Xiao Li
- Henan University of Chinese Medicine, Zhengzhou, China
| | - Yamin Ma
- Nanyang Hospital of Traditional Chinese Medicine, Nanyang, China
| | - Dongbin Wang
- Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, China
| |
Collapse
|
2
|
Hsuan CF, Tsai IT, Fang LW, Chang TH, Chen YL, Houng HY, Chang CC, Houng JY. Aibika Flower Flavonoid Extract Exhibits Antiulcer Activity in a Murine Model of Ethanol-Induced Acute Gastric Injury. J Med Food 2024; 27:615-626. [PMID: 38717115 DOI: 10.1089/jmf.2024.k.0015] [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] [Indexed: 07/18/2024] Open
Abstract
Aibika (Abelmoschus manihot (L.) Medic) is a garden vegetable whose flower has been shown to have various bioactivities. This study investigated the protective effect of aibika flower flavonoid extract (AFF) on ethanol-induced gastric injury in mice. The experimental results showed that pre-feeding 125 and 250 mg AFF/kg BW for 1 week significantly reduced the gastric injury area in the negative control group from 19.2% to 6.7% and 0.6%, respectively. The results of the pathological sections staining also showed that AFF had a protective ability against alcohol-induced injury of gastric tissue and liver tissue. When the mice were exposed to high concentrations of ethanol, AFF pretreatment significantly upregulated the expression of antioxidant enzymes. The pretreatment also promoted the production of the intracellular antioxidant, reduced glutathione, in both gastric tissue and serum. On the contrary, AFF delayed the lipid peroxidation process, which, in turn, reduced the damage to the gastric mucosa. When acute inflammation was induced by ethanol stimulation, AFF significantly downregulated the proinflammatory cytokines and mediators such as TNF-α, IL-1β, IL-6, NF-κB, COX-2, and iNOS. Furthermore, AFF pretreatment greatly promoted the production of healing factors, such as matrix metalloproteinase (MMP)-2, MMP-7, and MMP-9, in the gastric tissue. In addition, AFF significantly reduced gastric cell apoptosis induced by ethanol stimulation. These results demonstrate that AFF has a good protective effect on alcohol-induced gastric ulcer and has the potential to be used in gastrointestinal health care.
Collapse
Affiliation(s)
- Chin-Feng Hsuan
- School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan
- Division of Cardiology, Department of Internal Medicine, E-Da Hospital/E-Da Dachang Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung, Taiwan
| | - I-Ting Tsai
- School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan
- Department of Emergency, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Li-Wen Fang
- Department of Nutrition, I-Shou University, Kaohsiung, Taiwan
| | - Tzu-Hsien Chang
- Department of Obstetrics & Gynecology, E-Da Hospital/E-Da Dachang Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Ya-Ling Chen
- Department of Obstetrics & Gynecology, E-Da Hospital/E-Da Dachang Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Hsin-Ya Houng
- Department of Obstetrics & Gynecology, E-Da Hospital/E-Da Dachang Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Chi-Chang Chang
- Department of Obstetrics & Gynecology, E-Da Hospital/E-Da Dachang Hospital, I-Shou University, Kaohsiung, Taiwan
- School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung, Taiwan
| | - Jer-Yiing Houng
- Department of Nutrition, I-Shou University, Kaohsiung, Taiwan
| |
Collapse
|
3
|
Quinn M, Zhang RYK, Bello I, Rye KA, Thomas SR. Myeloperoxidase as a Promising Therapeutic Target after Myocardial Infarction. Antioxidants (Basel) 2024; 13:788. [PMID: 39061857 PMCID: PMC11274265 DOI: 10.3390/antiox13070788] [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: 03/30/2024] [Revised: 06/17/2024] [Accepted: 06/17/2024] [Indexed: 07/28/2024] Open
Abstract
Coronary artery disease (CAD) and myocardial infarction (MI) remain leading causes of death and disability worldwide. CAD begins with the formation of atherosclerotic plaques within the intimal layer of the coronary arteries, a process driven by persistent arterial inflammation and oxidation. Myeloperoxidase (MPO), a mammalian haem peroxidase enzyme primarily expressed within neutrophils and monocytes, has been increasingly recognised as a key pro-inflammatory and oxidative enzyme promoting the development of vulnerable coronary atherosclerotic plaques that are prone to rupture, and can precipitate a MI. Mounting evidence also implicates a pathogenic role for MPO in the inflammatory process that follows a MI, which is characterised by the rapid infiltration of activated neutrophils into the damaged myocardium and the release of MPO. Excessive and persistent cardiac inflammation impairs normal cardiac healing post-MI, resulting in adverse cardiac outcomes and poorer long-term cardiac function, and eventually heart failure. This review summarises the evidence for MPO as a significant oxidative enzyme contributing to the inappropriate inflammatory responses driving the progression of CAD and poor cardiac healing after a MI. It also details the proposed mechanisms underlying MPO's pathogenic actions and explores MPO as a novel therapeutic target for the treatment of unstable CAD and cardiac damage post-MI.
Collapse
Affiliation(s)
| | | | | | | | - Shane R. Thomas
- Cardiometabolic Disease Research Group, School of Biomedical Sciences, Faculty of Medicine & Health, University of New South Wales, Sydney, NSW 2052, Australia
| |
Collapse
|
4
|
Petrozziello T, Motlagh NJ, Monsanto RZB, Lei D, Murcar MG, Penney EB, Bragg DC, Fernandez-Cerado C, Legarda GP, Sy M, Muñoz E, Ang MC, Diesta CCE, Zhang C, Tanzi RE, Qureshi IA, Chen JW, Sadri-Vakili G. Targeting myeloperoxidase to reduce neuroinflammation in X-linked dystonia parkinsonism. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.06.25.24309481. [PMID: 38978657 PMCID: PMC11230314 DOI: 10.1101/2024.06.25.24309481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Although the genetic locus of X-linked dystonia parkinsonism (XDP), a neurodegenerative disease endemic in the Philippines, is well-characterized, the exact molecular mechanisms leading to neuronal loss are not yet fully understood. Recently, we demonstrated a significant increase in astrogliosis and microgliosis together with an increase in myeloperoxidase (MPO) levels in XDP post-mortem prefrontal cortex (PFC), suggesting a role for neuroinflammation in XDP pathogenesis. Here, we demonstrated a significant increase in MPO activity in XDP PFC using a novel specific MPO-activatable fluorescent agent (MAFA). Additionally, we demonstrated a significant increase in reactive oxygen species (ROS) in XDP-derived fibroblasts as well as in SH-SY5Y cells treated with post-mortem XDP PFC, further supporting a role for MPO in XDP. To determine whether increases in MPO activity were linked to increases in ROS, MPO content was immuno-depleted from XDP PFC [MPO(-)], which resulted in a significant decrease in ROS in SH-SY5Y cells. Consistently, the treatment with verdiperstat, a potent and selective MPO inhibitor, significantly decreased ROS in both XDP-derived fibroblasts and XDP PFC-treated SH-SY5Y cells. Collectively, our results suggest that MPO inhibition mitigates oxidative stress and may provide a novel therapeutic strategy for XDP treatment. Highlights MPO activity is increased in XDP post-mortem prefrontal cortex.MPO activity is increased in cellular models of XDP.MPO increases reactive oxygen species (ROS) in vitro.Inhibiting MPO mitigates ROS in XDP.The MPO inhibitor, verdiperstat, dampens ROS suggesting a potential therapeutic strategy for XDP.
Collapse
|
5
|
Hernández González LL, Pérez-Campos Mayoral L, Hernández-Huerta MT, Mayoral Andrade G, Martínez Cruz M, Ramos-Martínez E, Pérez-Campos Mayoral E, Cruz Hernández V, Antonio García I, Matias-Cervantes CA, Avendaño Villegas ME, Lastre Domínguez CM, Romero Díaz C, Ruiz-Rosado JDD, Pérez-Campos E. Targeting Neutrophil Extracellular Trap Formation: Exploring Promising Pharmacological Strategies for the Treatment of Preeclampsia. Pharmaceuticals (Basel) 2024; 17:605. [PMID: 38794175 PMCID: PMC11123764 DOI: 10.3390/ph17050605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Accepted: 05/04/2024] [Indexed: 05/26/2024] Open
Abstract
Neutrophils, which constitute the most abundant leukocytes in human blood, emerge as crucial players in the induction of endothelial cell death and the modulation of endothelial cell responses under both physiological and pathological conditions. The hallmark of preeclampsia is endothelial dysfunction induced by systemic inflammation, in which neutrophils, particularly through the formation of neutrophil extracellular traps (NETs), play a pivotal role in the development and perpetuation of endothelial dysfunction and the hypertensive state. Considering the potential of numerous pharmaceutical agents to attenuate NET formation (NETosis) in preeclampsia, a comprehensive assessment of the extensively studied candidates becomes imperative. This review aims to identify mechanisms associated with the induction and negative regulation of NETs in the context of preeclampsia. We discuss potential drugs to modulate NETosis, such as NF-κβ inhibitors, vitamin D, and aspirin, and their association with mutagenicity and genotoxicity. Strong evidence supports the notion that molecules involved in the activation of NETs could serve as promising targets for the treatment of preeclampsia.
Collapse
Affiliation(s)
- Leticia Lorena Hernández González
- National Technology of Mexico/IT Oaxaca, Oaxaca de Juárez, Oaxaca 68030, Mexico; (L.L.H.G.); (M.M.C.); (C.M.L.D.); (C.R.D.)
- Faculty of Biological Systems and Technological Innovation, Autonomous University “Benito Juárez” of Oaxaca, Oaxaca 68125, Mexico
| | - Laura Pérez-Campos Mayoral
- Research Center, Faculty of Medicine UNAM-UABJO, Autonomous University “Benito Juárez” of Oaxaca (UABJO), Oaxaca 68020, Mexico; (L.P.-C.M.); (G.M.A.); (E.P.-C.M.)
| | - María Teresa Hernández-Huerta
- CONAHCyT, Faculty of Medicine and Surgery, Autonomous University “Benito Juárez” of Oaxaca (UABJO), Oaxaca 68020, Mexico; (M.T.H.-H.); (C.A.M.-C.)
| | - Gabriel Mayoral Andrade
- Research Center, Faculty of Medicine UNAM-UABJO, Autonomous University “Benito Juárez” of Oaxaca (UABJO), Oaxaca 68020, Mexico; (L.P.-C.M.); (G.M.A.); (E.P.-C.M.)
| | - Margarito Martínez Cruz
- National Technology of Mexico/IT Oaxaca, Oaxaca de Juárez, Oaxaca 68030, Mexico; (L.L.H.G.); (M.M.C.); (C.M.L.D.); (C.R.D.)
| | - Edgar Ramos-Martínez
- School of Sciences, Autonomous University “Benito Juárez” of Oaxaca (UABJO), Oaxaca 68020, Mexico;
| | - Eduardo Pérez-Campos Mayoral
- Research Center, Faculty of Medicine UNAM-UABJO, Autonomous University “Benito Juárez” of Oaxaca (UABJO), Oaxaca 68020, Mexico; (L.P.-C.M.); (G.M.A.); (E.P.-C.M.)
| | | | | | - Carlos Alberto Matias-Cervantes
- CONAHCyT, Faculty of Medicine and Surgery, Autonomous University “Benito Juárez” of Oaxaca (UABJO), Oaxaca 68020, Mexico; (M.T.H.-H.); (C.A.M.-C.)
| | - Miriam Emily Avendaño Villegas
- National Technology of Mexico/IT Oaxaca, Oaxaca de Juárez, Oaxaca 68030, Mexico; (L.L.H.G.); (M.M.C.); (C.M.L.D.); (C.R.D.)
| | | | - Carlos Romero Díaz
- National Technology of Mexico/IT Oaxaca, Oaxaca de Juárez, Oaxaca 68030, Mexico; (L.L.H.G.); (M.M.C.); (C.M.L.D.); (C.R.D.)
- Research Center, Faculty of Medicine UNAM-UABJO, Autonomous University “Benito Juárez” of Oaxaca (UABJO), Oaxaca 68020, Mexico; (L.P.-C.M.); (G.M.A.); (E.P.-C.M.)
| | - Juan de Dios Ruiz-Rosado
- Kidney and Urinary Tract Research Center, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43215, USA
- Division of Nephrology and Hypertension, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Eduardo Pérez-Campos
- National Technology of Mexico/IT Oaxaca, Oaxaca de Juárez, Oaxaca 68030, Mexico; (L.L.H.G.); (M.M.C.); (C.M.L.D.); (C.R.D.)
- Clinical Pathology Laboratory, “Eduardo Pérez Ortega”, Oaxaca 68000, Mexico
| |
Collapse
|
6
|
Sun C, Wang S, Ma Z, Zhou J, Ding Z, Yuan G, Pan Y. Neutrophils in glioma microenvironment: from immune function to immunotherapy. Front Immunol 2024; 15:1393173. [PMID: 38779679 PMCID: PMC11109384 DOI: 10.3389/fimmu.2024.1393173] [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: 02/28/2024] [Accepted: 04/25/2024] [Indexed: 05/25/2024] Open
Abstract
Glioma is a malignant tumor of the central nervous system (CNS). Currently, effective treatment options for gliomas are still lacking. Neutrophils, as an important member of the tumor microenvironment (TME), are widely distributed in circulation. Recently, the discovery of cranial-meningeal channels and intracranial lymphatic vessels has provided new insights into the origins of neutrophils in the CNS. Neutrophils in the brain may originate more from the skull and adjacent vertebral bone marrow. They cross the blood-brain barrier (BBB) under the action of chemokines and enter the brain parenchyma, subsequently migrating to the glioma TME and undergoing phenotypic changes upon contact with tumor cells. Under glycolytic metabolism model, neutrophils show complex and dual functions in different stages of cancer progression, including participation in the malignant progression, immune suppression, and anti-tumor effects of gliomas. Additionally, neutrophils in the TME interact with other immune cells, playing a crucial role in cancer immunotherapy. Targeting neutrophils may be a novel generation of immunotherapy and improve the efficacy of cancer treatments. This article reviews the molecular mechanisms of neutrophils infiltrating the central nervous system from the external environment, detailing the origin, functions, classifications, and targeted therapies of neutrophils in the context of glioma.
Collapse
Affiliation(s)
- Chao Sun
- The Second Clinical Medical School, Lanzhou University, Lanzhou, China
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Siwen Wang
- The Second Clinical Medical School, Lanzhou University, Lanzhou, China
| | - Zhen Ma
- The Second Clinical Medical School, Lanzhou University, Lanzhou, China
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Jinghuan Zhou
- The Second Clinical Medical School, Lanzhou University, Lanzhou, China
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Zilin Ding
- The Second Clinical Medical School, Lanzhou University, Lanzhou, China
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Guoqiang Yuan
- The Second Clinical Medical School, Lanzhou University, Lanzhou, China
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Yawen Pan
- The Second Clinical Medical School, Lanzhou University, Lanzhou, China
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| |
Collapse
|
7
|
Kim HJ, Lee YS, Lee BS, Han CH, Kim SG, Kim CH. NLRP3 inflammasome activation and NETosis positively regulate each other and exacerbate proinflammatory responses: implications of NETosis inhibition for acne skin inflammation treatment. Cell Mol Immunol 2024; 21:466-478. [PMID: 38409251 PMCID: PMC11061142 DOI: 10.1038/s41423-024-01137-x] [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: 11/07/2022] [Accepted: 01/18/2024] [Indexed: 02/28/2024] Open
Abstract
Inflammasomes are multiprotein complexes involved in the host immune response to pathogen infections. Thus, inflammasomes participate in many conditions, such as acne. Recently, it was shown that NETosis, a type of neutrophil cell death, is induced by bacterial infection and is involved in inflammatory diseases such as delayed wound healing in patients with diabetes. However, the relationship between inflammasomes and NETosis in the pathogenesis of inflammatory diseases has not been well studied. In this study, we determined whether NETosis is induced in P. acnes-induced skin inflammation and whether activation of the nucleotide-binding domain, leucine-rich family, and pyrin domain-containing-3 (NLRP3) inflammasome is one of the key factors involved in NETosis induction in a mouse model of acne skin inflammation. We found that NETosis was induced in P. acnes-induced skin inflammation in mice and that inhibition of NETosis ameliorated P. acnes-induced skin inflammation. In addition, our results demonstrated that inhibiting inflammasome activation could suppress NETosis induction in mouse skin. These results indicate that inflammasomes and NETosis can interact with each other to induce P. acnes-induced skin inflammation and suggest that targeting NETosis could be a potential treatment for inflammasome-mediated diseases as well as NETosis-related diseases.
Collapse
Affiliation(s)
- Hyo Jeong Kim
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
| | - Yun Sang Lee
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
| | - Bok-Soon Lee
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
| | - Chang-Hak Han
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | - Sang Gyu Kim
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | - Chul-Ho Kim
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon, Republic of Korea.
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea.
| |
Collapse
|
8
|
Affiliation(s)
- Guozheng Wang
- Department of Clinical Infection, Microbiology and Immunology, University of Liverpool, Liverpool, United Kingdom
- Department of Haematology, Liverpool University Hospitals NHS Foundation Trust, Liverpool, United Kingdom
| | - Simon Timothy Abrams
- Department of Clinical Infection, Microbiology and Immunology, University of Liverpool, Liverpool, United Kingdom
- Department of Haematology, Liverpool University Hospitals NHS Foundation Trust, Liverpool, United Kingdom
| | - Cheng-Hock Toh
- Department of Clinical Infection, Microbiology and Immunology, University of Liverpool, Liverpool, United Kingdom
- Roald Dahl Haemostasis & Thrombosis Centre, Liverpool University Hospitals NHS Foundation Trust, Liverpool, United Kingdom
| |
Collapse
|
9
|
Jin Y, Minten C, Jenkins M, Jones L, Gorbet M. Investigation of the rhythmic recruitment of tear neutrophils to the ocular surface and their phenotypes. Sci Rep 2024; 14:7061. [PMID: 38528025 DOI: 10.1038/s41598-024-57311-8] [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: 11/09/2023] [Accepted: 03/17/2024] [Indexed: 03/27/2024] Open
Abstract
Hundreds of thousands of polymorphonuclear neutrophils (PMNs) are collected from the ocular surface upon waking, while few are harvested during daytime. This study aimed to investigate potential factors contributing to the circadian infiltration of tear PMNs, including changes in IL-8 and C5a in tears, and their phenotypes across different time points in a 24-h cycle. Tear PMNs were collected using a gentle eyewash after 2-h and 7-h of sleep (eye closure, EC) at night, after 2-h EC during the day, and towards the end of the afternoon. Significantly fewer cells were collected after 2-h EC during the day compared to 2-h EC at night. A positive correlation between IL-8 and PMN numbers existed, but not with C5a. Tear PMNs collected after 2-h EC at night were less degranulated and possessed a larger activation potential compared to 7-h EC. Tear PMNs from 7-h EC at night exhibited hyper-segmented nuclei and more NETosis compared to 2 h EC night, indicating an aged and activated phenotype. The diurnal-nocturnal recruitment pattern of tear PMNs may be driven by increased IL-8 in nighttime tears. Higher degranulation and NETs point to the significant activation of tear PMNs on the ocular surface during prolonged eye closure at night.
Collapse
Affiliation(s)
- Yutong Jin
- School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada
- Centre for Ocular Research and Education, University of Waterloo, Waterloo, Canada
| | - Ceili Minten
- Department of Systems Design Engineering, University of Waterloo, Waterloo, Canada
| | - Mara Jenkins
- Department of Systems Design Engineering, University of Waterloo, Waterloo, Canada
| | - Lyndon Jones
- School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada
- Centre for Ocular Research and Education, University of Waterloo, Waterloo, Canada
| | - Maud Gorbet
- School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada.
- Department of Systems Design Engineering, University of Waterloo, Waterloo, Canada.
- Centre for Ocular Research and Education, University of Waterloo, Waterloo, Canada.
| |
Collapse
|
10
|
Lima-Gomes PDS, do Nascimento MTC, Nadaes NR, de Campos SG, Tavares Haido RM, Danelli MDG, Pinto-da-Silva LH, Saraiva EM. Chick heterophils release DNA extracellular traps (DETs) in vitro and in vivo upon Aspergillus fumigatus conidia exposure. Microbes Infect 2024; 26:105261. [PMID: 37984735 DOI: 10.1016/j.micinf.2023.105261] [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: 04/23/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 11/22/2023]
Abstract
Aspergillosis is a common fungal disease in avian species, causing high mortality in young chicks in agricultural farms and yards. It is caused by fungi belonging to the genus Aspergillus. Aspergillosis occurs by inhalation of fungal conidia, and in chickens, effective infection control relies on a rapid and large influx of heterophils to the lungs. Heterophils, upon different stimuli, release to the extracellular milieu their chromatin associated with several proteins that ensnare and kill different pathogens similarly to neutrophil extracellular traps. Here, we showed that Aspergillus fumigatus conidia and the peptidogalactomannan (PGM), isolated from the fungus cell wall, induce the release of DNA extracellular traps (DETs) in chicks' blood and lung heterophils. We demonstrated that reactive oxygen species, elastase and peptidyl arginine deiminase (PAD) were involved in DETs extrusion, the occurrence of DETs in the lungs of A. fumigatus-exposed chicks in vivo, and its role in chick survival. These results may contribute to developing more efficient tools for the therapeutic and diagnosis of aspergillosis.
Collapse
Affiliation(s)
- Phillipe de Souza Lima-Gomes
- Instituto de Microbiologia Paulo de Góes, Departamento de Imunologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil; Instituto de Veterinária, Departamento de Microbiologia e Imunologia Veterinária, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Michelle Tanny Cunha do Nascimento
- Instituto de Microbiologia Paulo de Góes, Departamento de Imunologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Natalia Rocha Nadaes
- Instituto de Microbiologia Paulo de Góes, Departamento de Imunologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Sérgio Gaspar de Campos
- Instituto de Veterinária, Departamento de Microbiologia e Imunologia Veterinária, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Rosa Maria Tavares Haido
- Instituto Biomédico, Departamento de Microbiologia e Parasitologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rio de Janeiro, RJ, Brazil
| | - Maria das Graças Danelli
- Instituto de Veterinária, Departamento de Microbiologia e Imunologia Veterinária, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Lucia Helena Pinto-da-Silva
- Instituto de Veterinária, Departamento de Microbiologia e Imunologia Veterinária, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, RJ, Brazil
| | - Elvira M Saraiva
- Instituto de Microbiologia Paulo de Góes, Departamento de Imunologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil.
| |
Collapse
|
11
|
Lessa TLADS, Correia TML, Santos TCD, da Silva RP, Silva BPD, Cavallini MCM, Rocha LS, Souza Peixoto A, Cugnasca BS, Cervi G, Correra TC, Gonçalves AC, Festuccia WTL, Cunha TM, Yatsuda R, de Magalhães ACM, Dos Santos AA, Meotti FC, Queiroz RF. A novel diselenide attenuates the carrageenan-induced inflammation by reducing neutrophil infiltration and the resulting tissue damage in mice. Free Radic Res 2024; 58:229-248. [PMID: 38588405 DOI: 10.1080/10715762.2024.2336566] [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: 11/08/2023] [Accepted: 02/06/2024] [Indexed: 04/10/2024]
Abstract
Selenium-containing compounds have emerged as promising treatment for redox-based and inflammatory diseases. This study aimed to investigate the in vitro and in vivo anti-inflammatory activity of a novel diselenide named as dibenzyl[diselanediyIbis(propane-3-1diyl)] dicarbamate (DD). DD reacted with HOCl (k = 9.2 x 107 M-1s-1), like glutathione (k = 1.2 x 108 M-1s-1), yielding seleninic and selenonic acid derivatives, and it also decreased HOCl formation by activated human neutrophils (IC50=4.6 μM) and purified myeloperoxidase (MPO) (IC50=3.8 μM). However, tyrosine, MPO-I and MPO-II substrates, did not restore HOCl formation in presence of DD. DD inhibited the oxidative burst in dHL-60 cells with no toxicity up to 25 µM for 48h. Next, an intraperitoneal administration of 25, 50, and 75 mg/kg DD decreased total leukocyte, neutrophil chemotaxis, and inflammation markers (MPO activity, lipid peroxidation, albumin exudation, nitrite, TNF-α, IL-1β, CXCL1/KC, and CXCL2/MIP-2) on a murine model of carrageenan-induced peritonitis. Likewise, 50 mg/kg DD (i.p.) decreased carrageenan-induced paw edema over 5h. Histological and immunohistochemistry analyses of the paw tissue showed decreased neutrophil count, edema area, and MPO, carbonylated, and nitrated protein staining. Furthermore, DD treatment decreased the fMLP-induced chemotaxis of human neutrophils (IC50=3.7 μM) in vitro with no toxicity. Lastly, DD presented no toxicity in a single-dose model using mice (50 mg/kg, i.p.) over 15 days and in Artemia salina bioassay (50 to 2000 µM), corroborating findings from in silico toxicological study. Altogether, these results demonstrate that DD attenuates carrageenan-induced inflammation mainly by reducing neutrophil migration and the resulting damage from MPO-mediated oxidative burst.
Collapse
Affiliation(s)
- Tássia Liz Araújo Dos Santos Lessa
- Programa Multicêntrico de Pós-Graduação em Bioquímica e Biologia Molecular, Universidade Estadual do Sudoeste da Bahia, Vitória da Conquista, Brazil
| | - Thiago Macêdo Lopes Correia
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal da Bahia, Vitória da Conquista, Brazil
| | - Talita Costa Dos Santos
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal da Bahia, Vitória da Conquista, Brazil
| | | | | | - Maria Cláudia Magalhães Cavallini
- Center for Research in Inflammatory Diseases, Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Leonardo Silva Rocha
- Programa Multicêntrico de Pós-Graduação em Bioquímica e Biologia Molecular, Universidade Estadual do Sudoeste da Bahia, Vitória da Conquista, Brazil
| | | | | | - Gustavo Cervi
- Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Thiago C Correra
- Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | | | | | - Thiago Mattar Cunha
- Center for Research in Inflammatory Diseases, Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Regiane Yatsuda
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal da Bahia, Vitória da Conquista, Brazil
- Instituto Multidisciplinar de Saúde, Universidade Federal da Bahia, Vitória da Conquista, Brazil
| | - Amélia Cristina Mendes de Magalhães
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal da Bahia, Vitória da Conquista, Brazil
- Instituto Multidisciplinar de Saúde, Universidade Federal da Bahia, Vitória da Conquista, Brazil
| | | | | | - Raphael Ferreira Queiroz
- Programa Multicêntrico de Pós-Graduação em Bioquímica e Biologia Molecular, Universidade Estadual do Sudoeste da Bahia, Vitória da Conquista, Brazil
- Departamento de Ciências da Saúde, Universidade Estadual do Sudoeste da Bahia, Vitória da Conquista, Brazil
| |
Collapse
|
12
|
Tilinova OM, Inozemtsev V, Sherstyukova E, Kandrashina S, Pisarev M, Grechko A, Vorobjeva N, Sergunova V, Dokukin ME. Cell Surface Parameters for Accessing Neutrophil Activation Level with Atomic Force Microscopy. Cells 2024; 13:306. [PMID: 38391919 PMCID: PMC10886474 DOI: 10.3390/cells13040306] [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: 12/11/2023] [Revised: 01/19/2024] [Accepted: 02/04/2024] [Indexed: 02/24/2024] Open
Abstract
In this study, we examine the topography and adhesion images of the cell surface of neutrophils during the activation process. Our analysis of cell surface parameters indicates that the most significant changes in neutrophils occur within the first 30 min of activation, suggesting that reactive oxygen species may require approximately this amount of time to activate the cells. Interestingly, we observed surface granular structure as early as 10 min after neutrophil activation when examining atomic force microscopy images. This finding aligns with the reorganization observed within the cells under confocal laser scanning microscopy. By analyzing the cell surface images of adhesion, we identified three spatial surface parameters that correlate with the activation time. This finding enables us to estimate the degree of activation by using atomic force microscopy maps of the cell surface.
Collapse
Affiliation(s)
| | - Vladimir Inozemtsev
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Ekaterina Sherstyukova
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Snezhanna Kandrashina
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Mikhail Pisarev
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Andrey Grechko
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Nina Vorobjeva
- Department of Immunology, Biology Faculty, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Viktoria Sergunova
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Research Institute of General Reanimatology, 107031 Moscow, Russia
| | - Maxim E Dokukin
- Sarov Physics and Technology Institute, MEPhI, 607186 Sarov, Russia
| |
Collapse
|
13
|
Lopes ALF, Araújo AKDS, Chaves LDS, Pacheco G, Oliveira APD, Silva KCD, Oliveira ACPD, Aquino CCD, Gois MB, Nicolau LAD, Medeiros JVR. Protective effect of alpha-ketoglutarate against water-immersion restraint stress-induced gastric mucosal damage in mice. Eur J Pharmacol 2023; 960:176118. [PMID: 37871764 DOI: 10.1016/j.ejphar.2023.176118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/22/2023] [Accepted: 10/12/2023] [Indexed: 10/25/2023]
Abstract
Gastric lesions have several aetiologies, among which stress is the most prominent. Therefore, identification of new therapies to prevent stress is of considerable importance. Alpha-ketoglutarate (α-kg) several beneficial effects and has shown promise in combating oxidative stress, inflammation, and premature aging. Thus, this study aimed to evaluate the protective effect of α-kg in a gastric damage model by water-immersion restraint stress (WIRS). Pretreatment with α-kg decreased stress-related histopathological scores of tissue oedema, cell loss, and inflammatory infiltration. The α-kg restored the percentage of type III collagen fibres. Mucin levels were preserved as well as the structure and area of the myenteric plexus ganglia were preserved after pretreatment with α-kg. Myeloperoxidase (MPO) levels and the expression of pro-inflammatory cytokines (TNF-α and IL-1β) were also reduced following α-kg pretreatment. Decreased levels of glutathione (GSH) in the stress group were restored by α-kg. The omeprazole group was used as standard drug e also demonstrated improve on some parameters after the exposition to WIRS as inflammatory indexes, GSH and mucin. Through this, was possible to observe that α-kg can protect the gastric mucosa exposed to WIRS, preserve tissue architecture, reduce direct damage to the mucosa and inflammatory factors, stimulate the production of type III collagen and mucin, preserve the myenteric plexus ganglia, and maintain antioxidant potential. Due to, we indicate that α-kg has protective activity of the gastric mucosa, demonstrating its ability to prevent damage associated with gastric lesions caused by stress.
Collapse
Affiliation(s)
- André Luis Fernandes Lopes
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| | - Andreza Ketly da Silva Araújo
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| | - Letícia de Sousa Chaves
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| | - Gabriella Pacheco
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| | - Ana Patrícia de Oliveira
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| | - Katriane Carvalho da Silva
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| | - Antonio Carlos Pereira de Oliveira
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| | | | - Marcelo Biondaro Gois
- Post-Graduation Program in Biosciences and Health, Federal University of Rondonópolis, Rondonópolis, Brazil.
| | - Lucas Antonio Duarte Nicolau
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| | - Jand Venes Rolim Medeiros
- Laboratory of Inflammation and Translational Gastroenterology (LIGAT), Post-graduation Program in Biotechnology (PPGBIOTEC), Parnaíba Delta Federal University, Av. São Sebastião, 2819, Parnaíba, PI, CEP 64202-020, Brazil.
| |
Collapse
|
14
|
Espinosa G, Conejeros I, Rojas-Barón L, Hermosilla CR, Taubert A. Besnoitia besnoiti-induced neutrophil clustering and neutrophil extracellular trap formation depend on P2X1 purinergic receptor signaling. Front Immunol 2023; 14:1244068. [PMID: 37854595 PMCID: PMC10579820 DOI: 10.3389/fimmu.2023.1244068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 08/28/2023] [Indexed: 10/20/2023] Open
Abstract
Bovine besnoitiosis is a re-emerging cattle disease caused by the cyst-forming apicomplexan parasite Besnoitia besnoiti. Neutrophil extracellular trap (NET) formation represents an efficient innate immune mechanism of polymorphonuclear neutrophils (PMN) against apicomplexan parasites, including B. besnoiti. PMN purinergic signaling was proposed as a critical factor for NET formation. One important purinergic ligand is ATP, which is recognized as a danger signal and released into the extracellular space acting as an autocrine/paracrine signaling molecule. ATP-driven effects on PMN via the nucleotide P2 receptor family include chemotaxis, reactive oxygen species (ROS) production, and NET formation. So far, data on both PMN ATP concentrations and the role of ATP as a key modulator of purinergic signaling in B. besnoiti tachyzoite-triggered bovine NETosis is scarce. Current data showed that B. besnoiti tachyzoite exposure to bovine PMN neither changed total PMN ATP nor extracellular ATP quantities even though it significantly triggered NET formation. Moreover, B. besnoiti tachyzoite-exposed PMN revealed enhanced oxygen consumption rates (OCR) as quantified by the Seahorse metabolic analyzer. Exogenous supplementation of ATP or non-hydrolizable ATP (ATPγS) led to increased extracellular acidification rates (ECAR) but failed to alter tachyzoite-induced oxidative responses (OCR) in exposed PMN. In addition, exogenous supplementation of ATPγS, but not of ATP, boosted B. besnoiti tachyzoite-induced anchored NET formation. Referring to purinergic signaling, B. besnoiti tachyzoite-triggered anchored NET formation revealed P2X1 purinergic as receptor-dependent since it was blocked by the P2X1 inhibitor NF449 at an IC50 of 1.27 µM. In contrast, antagonists of P2Y2, P2Y6, P2X4, and P2X7 purinergic receptors all failed to affect parasite-driven NETosis. As an interesting finding, we additionally observed that B. besnoiti tachyzoite exposure induced PMN clustering in a P2X1-dependent manner. Thus, we identified P2X1 purinergic receptor as a pivotal molecule for both B. besnoiti tachyzoite-induced PMN clustering and anchored NET formation.
Collapse
|
15
|
Bakadia BM, Qaed Ahmed AA, Lamboni L, Shi Z, Mutu Mukole B, Zheng R, Pierre Mbang M, Zhang B, Gauthier M, Yang G. Engineering homologous platelet-rich plasma, platelet-rich plasma-derived exosomes, and mesenchymal stem cell-derived exosomes-based dual-crosslinked hydrogels as bioactive diabetic wound dressings. Bioact Mater 2023; 28:74-94. [PMID: 37234363 PMCID: PMC10206161 DOI: 10.1016/j.bioactmat.2023.05.002] [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: 12/28/2022] [Revised: 04/23/2023] [Accepted: 05/03/2023] [Indexed: 05/27/2023] Open
Abstract
The management of diabetic wounds remains a critical therapeutic challenge. Platelet-rich plasma (PRP) gel, PRP-derived exosomes (PRP-Exos), and mesenchymal stem cell-derived exosomes (MSC-Exos) have demonstrated therapeutic potential in wound treatment. Unfortunately, their poor mechanical properties, the short half-lives of growth factors (GFs), and the burst release of GFs and exosomes have limited their clinical applications. Furthermore, proteases in diabetic wounds degrade GFs, which hampers wound repair. Silk fibroin is an enzyme-immobilization biomaterial that could protect GFs from proteases. Herein, we developed novel dual-crosslinked hydrogels based on silk protein (SP) (sericin and fibroin), including SP@PRP, SP@MSC-Exos, and SP@PRP-Exos, to promote diabetic wound healing synergistically. SP@PRP was prepared from PRP and SP using calcium gluconate/thrombin as agonist, while SP@PRP-Exos and SP@MSC-Exos were derived from exosomes and SP with genipin as crosslinker. SP provided improved mechanical properties and enabled the sustained release of GFs and exosomes, thereby overcoming the limitations of PRP and exosomes in wound healing. The dual-crosslinked hydrogels displayed shear-induced thinning, self-healing, and eradication of microbial biofilms in a bone-mimicking environment. In vivo, the dual-crosslinked hydrogels contributed to faster diabetic wound healing than PRP and SP by upregulating GFs expression, down-regulating matrix metalloproteinase-9 expression, and by promoting an anti-NETotic effect, angiogenesis, and re-epithelialization. Hence, these dual-crosslinked hydrogels have the potential to be translated into a new generation of diabetic wound dressings.
Collapse
Affiliation(s)
- Bianza Moise Bakadia
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
- Institut Supérieur des Techniques Médicales de Lubumbashi, Lubumbashi, Congo
| | - Abeer Ahmed Qaed Ahmed
- Department of Molecular Medicine, Biochemistry Unit, University of Pavia, 27100, Pavia, Italy
| | - Lallepak Lamboni
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zhijun Shi
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | | | - Ruizhu Zheng
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Mazono Pierre Mbang
- Institut Supérieur des Techniques Médicales de Lubumbashi, Lubumbashi, Congo
| | - Bi Zhang
- College of Life Science and Technology, Key Laboratory of Molecular Biophysics of MOE, Huazhong University of Science and Technology, Wuhan, China
| | - Mario Gauthier
- Department of Chemistry, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Guang Yang
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| |
Collapse
|
16
|
Fantone KM, Goldberg JB, Stecenko AA, Rada B. Sputum from People with Cystic Fibrosis Reduces the Killing of Methicillin-Resistant Staphylococcus aureus by Neutrophils and Diminishes Phagosomal Production of Reactive Oxygen Species. Pathogens 2023; 12:1148. [PMID: 37764956 PMCID: PMC10538153 DOI: 10.3390/pathogens12091148] [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: 08/04/2023] [Revised: 08/23/2023] [Accepted: 08/27/2023] [Indexed: 09/29/2023] Open
Abstract
Cystic fibrosis (CF) airway disease is characterized by chronic polymicrobial infections and an infiltration of neutrophils (PMNs). Staphylococcus aureus has been the most prevalent respiratory pathogen in CF. In particular, methicillin-resistant S. aureus (MRSA) represents a huge clinical burden in CF due to its association with lung disease and increased resistance to antibiotics. In CF, PMNs are unable to kill and clear MRSA. The reason for this remains largely unknown. Our study found that CF PMNs are as equally capable of killing MRSA as healthy PMNs. We show that the CF sputum, however, significantly impairs the ability of human PMNs to kill CF MRSA isolates. In the absence of CF sputum, PMNs kill MRSA via intracellular mechanisms mediated by phagocytosis, rather than extracellular mechanisms via NET formation. CF sputum does not affect the phagocytosis of MRSA via healthy or CF PMNs. Our results demonstrate that CF sputum exposure impairs phagosomal levels of reactive oxygen species (ROS) in MRSA-phagocytosing PMNs. While phagosomal co-localizations of MRSA with primary granule markers, myeloperoxidase and cathepsin D, were significantly reduced upon CF sputum exposure, that of a third azurophilic granule marker, neutrophil elastase, remained unaffected. This suggests that CF sputum does not compromise the fusion of primary granules with phagosomes but diminishes phagosomal ROS levels via another, likely more specific, mechanism. Overall, we identified the airway environment as an important factor that restricts neutrophils' oxidative microbicidal activities in CF against MRSA. These results deliver new details of the complex host-pathogen interactions present in the CF lung.
Collapse
Affiliation(s)
- Kayla M. Fantone
- Department of Infectious Diseases, College of Veterinary Medicine, The University of Georgia, Athens, GA 30602, USA;
| | - Joanna B. Goldberg
- Division of Pulmonology, Asthma, Cystic Fibrosis and Sleep, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30602, USA; (J.B.G.); (A.A.S.)
| | - Arlene A. Stecenko
- Division of Pulmonology, Asthma, Cystic Fibrosis and Sleep, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30602, USA; (J.B.G.); (A.A.S.)
| | - Balázs Rada
- Department of Infectious Diseases, College of Veterinary Medicine, The University of Georgia, Athens, GA 30602, USA;
| |
Collapse
|
17
|
da Silva GG, Braga LEDO, de Oliveira ECS, de Carvalho JE, Lazarini JG, Rosalen PL, Dionísio AP, Ruiz ALTG. Evaluation of a Standardized Extract Obtained from Cashew Apple ( Anacardium occidentale L.) Bagasse in DSS-Induced Mouse Colitis. Foods 2023; 12:3318. [PMID: 37685250 PMCID: PMC10486448 DOI: 10.3390/foods12173318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/28/2023] [Accepted: 08/31/2023] [Indexed: 09/10/2023] Open
Abstract
Inflammatory bowel diseases (IBD) include Crohn's disease and ulcerative colitis. Several studies relate eating habits to different aspects of IBD, such as progression and worsening of the clinical condition. Therefore, many natural products (NPs) such as polyphenols and carotenoids have been identified as promising agents in supporting IBD. An interesting source for obtaining bioactive NPs is the by-products of the food industry. The present study evaluated the potential beneficial effect of a standardized extract (CAE) obtained from cashew apple bagasse in the dextran sulfate sodium (DSS)-induced ulcerative colitis model in mice. This was the first time that CAE had been evaluated in this experimental model. Chemical evaluation of CAE identified carotenoids (96.28 ± 0.15 mg/100 g), phenolic compounds (37.49 ± 0.64 mg/100 g), and a mixture of anacardic acids (C15:3 = 94.2 ± 0.6 mg/100 g; C15:2 = 108.4 ± 0.1 mg/100 g; C15:1 = 214.8 ± 0.2 mg/100 g). Administration of CAE (500 mg/kg, 4 days, p.o.) after DSS challenge was more effective in delaying disease progression compared with prior treatment (500 mg/kg, 30 days, p.o.), according to the disease activity index. However, no treatment strategy with CAE was able to prevent or inhibit disease progression, since all parameters evaluated (macroscopic, biochemical, and histopathological) in CAE-treated animals were similar to those observed in DSS-challenged animals. Despite the high dose (500 mg/kg), the standardized extract (CAE) did not result in an effective concentration of carotenoids. Furthermore, as some anacardic acids have been reported as histone acetyltransferases inhibitors, there could be a possible antagonistic relationship between carotenoids and anacardic acids. Complementary research will be necessary to test the hypothesis of antagonism. Thus, an optimized extract, with an even higher concentration of carotenoids, obtained from cashew apple bagasse, can be developed as a possible adjuvant food supplement for inflammatory bowel diseases.
Collapse
Affiliation(s)
- Gisele Goulart da Silva
- Piracicaba Dental School, Graduate Program in Dentistry, University of Campinas, UNICAMP, Piracicaba 13414-903, SP, Brazil; (G.G.d.S.); (L.E.d.O.B.); (P.L.R.)
| | - Lucia Elaine de Oliveira Braga
- Piracicaba Dental School, Graduate Program in Dentistry, University of Campinas, UNICAMP, Piracicaba 13414-903, SP, Brazil; (G.G.d.S.); (L.E.d.O.B.); (P.L.R.)
| | - Ellen Cristina Souza de Oliveira
- Institute of Biology, Cellular and Structural Biology Graduate Program, University of Campinas, UNICAMP, Campinas 13083-865, SP, Brazil;
| | - João Ernesto de Carvalho
- Faculty of Pharmaceutical Sciences, University of Campinas, UNICAMP, Campinas 13083-871, SP, Brazil;
| | - Josy Goldoni Lazarini
- Department of Physiological Sciences, Piracicaba Dental School, University of Campinas, UNICAMP, Piracicaba 13414-903, SP, Brazil;
- Faculty of Medicine, Universidade Anhembi Morumbi, Piracicaba 13425-380, SP, Brazil
| | - Pedro Luiz Rosalen
- Piracicaba Dental School, Graduate Program in Dentistry, University of Campinas, UNICAMP, Piracicaba 13414-903, SP, Brazil; (G.G.d.S.); (L.E.d.O.B.); (P.L.R.)
- Biological Sciences Graduate Program, Federal University of Alfenas, UNIFAL-MG, Alfenas 37130-001, MG, Brazil
| | | | - Ana Lucia Tasca Gois Ruiz
- Faculty of Pharmaceutical Sciences, University of Campinas, UNICAMP, Campinas 13083-871, SP, Brazil;
| |
Collapse
|
18
|
Inozemtsev V, Sergunova V, Vorobjeva N, Kozlova E, Sherstyukova E, Lyapunova S, Chernysh A. Stages of NETosis Development upon Stimulation of Neutrophils with Activators of Different Types. Int J Mol Sci 2023; 24:12355. [PMID: 37569729 PMCID: PMC10418979 DOI: 10.3390/ijms241512355] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
Before NETs are released, the neutrophil undergoes structural changes. First, it flattens, accompanied by a change in cell shape and rearrangement of the cytoskeleton. Then, nuclear swelling begins, which ends with the ejection of NETs into the extracellular space. We used widefield and confocal fluorescence microscopy to register morphological and structural changes in neutrophils during activation and NETosis. Different types of activators were used, such as NOX-dependent PMA and calcium ionophore A23187. The measurements were performed in a series of sequential stages. In the first stage (30 s after addition of activators and immediately after stimulation of neutrophils), the response of neutrophils to A23187 and PMA exposure was studied. Subsequently, the characteristics of neutrophils in different phases of activation were examined over a longer period of time (30, 60, 120, 180, and 240 min). The specific features of NETosis development were analyzed separately. During the first 30 s, neutrophils appeared to be heterogeneous in shape and structure of the actin cytoskeleton. Characteristic cell shapes included 30″ type 1 cells, similar in shape to the control, with F-actin concentrated in the center of the cytoplasm, and 30″ type 2 cells, which had flattened (spread) shapes with increased frontal dimensions and F-actin distributed throughout the cell. Later, the development of nuclear swelling, the corresponding changes in neutrophil membranes, and NET release into the extracellular space were evaluated. The conditions determining the initiation of chromatin ejection and two characteristic types of decondensed chromatin ejection were revealed. The results obtained contribute to a better understanding of the biophysical mechanisms of neutrophil activation and NETosis development.
Collapse
Affiliation(s)
- Vladimir Inozemtsev
- Laboratory of Biophysics of Cell Membranes under Critical State, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Scientific Research Institute of General Reanimatology, Petrovka Street 25c2, 107031 Moscow, Russia; (V.S.); (E.K.); (E.S.); (S.L.); (A.C.)
- Koltsov Institute of Developmental Biology, Russian Academy of Sciences, 26 Vavilov Street, 119334 Moscow, Russia
| | - Viktoria Sergunova
- Laboratory of Biophysics of Cell Membranes under Critical State, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Scientific Research Institute of General Reanimatology, Petrovka Street 25c2, 107031 Moscow, Russia; (V.S.); (E.K.); (E.S.); (S.L.); (A.C.)
| | - Nina Vorobjeva
- Department of Immunology, Faculty of Biology, Lomonosov Moscow State University, Lenin Hills 1/12, 119234 Moscow, Russia;
| | - Elena Kozlova
- Laboratory of Biophysics of Cell Membranes under Critical State, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Scientific Research Institute of General Reanimatology, Petrovka Street 25c2, 107031 Moscow, Russia; (V.S.); (E.K.); (E.S.); (S.L.); (A.C.)
- Department of Medical and Biological Physics, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Ekaterina Sherstyukova
- Laboratory of Biophysics of Cell Membranes under Critical State, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Scientific Research Institute of General Reanimatology, Petrovka Street 25c2, 107031 Moscow, Russia; (V.S.); (E.K.); (E.S.); (S.L.); (A.C.)
| | - Snezhanna Lyapunova
- Laboratory of Biophysics of Cell Membranes under Critical State, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Scientific Research Institute of General Reanimatology, Petrovka Street 25c2, 107031 Moscow, Russia; (V.S.); (E.K.); (E.S.); (S.L.); (A.C.)
| | - Aleksandr Chernysh
- Laboratory of Biophysics of Cell Membranes under Critical State, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Scientific Research Institute of General Reanimatology, Petrovka Street 25c2, 107031 Moscow, Russia; (V.S.); (E.K.); (E.S.); (S.L.); (A.C.)
- General Pathology Department, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, V.A. Negovsky Scientific Research Institute of General Reanimatology, Petrovka Street 25c2, 107031 Moscow, Russia
| |
Collapse
|
19
|
Chen Y, Zhao C, Guo H, Zou W, Zhang Z, Wei D, Lu H, Zhang L, Zhao Y. Wip1 inhibits neutrophil extracellular traps to promote abscess formation in mice by directly dephosphorylating Coronin-1a. Cell Mol Immunol 2023; 20:941-954. [PMID: 37386173 PMCID: PMC10387484 DOI: 10.1038/s41423-023-01057-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 06/04/2023] [Indexed: 07/01/2023] Open
Abstract
Neutrophil extracellular traps (NETs) participate in the rapid inhibition and clearance of pathogens during infection; however, the molecular regulation of NET formation remains poorly understood. In the current study, we found that inhibition of the wild-type p53-induced phosphatase 1 (Wip1) significantly suppressed the activity of Staphylococcus aureus (S. aureus) and accelerated abscess healing in S. aureus-induced abscess model mice by enhancing NET formation. A Wip1 inhibitor significantly enhanced NET formation in mouse and human neutrophils in vitro. High-resolution mass spectrometry and biochemical assays demonstrated that Coro1a is a substrate of Wip1. Further experiments also revealed that Wip1 preferentially and directly interacts with phosphorylated Coro1a than compared to unphosphorylated inactivated Coro1a. The phosphorylated Ser426 site of Coro1a and the 28-90 aa domain of Wip1 are essential for the direct interaction of Coro1a and Wip1 and for Wip1 dephosphorylation of p-Coro1a Ser426. Wip1 deletion or inhibition in neutrophils significantly upregulated the phosphorylation of Coro1a-Ser426, which activated phospholipase C and subsequently the calcium pathway, the latter of which promoted NET formation after infection or lipopolysaccharide stimulation. This study revealed Coro1a to be a novel substrate of Wip1 and showed that Wip1 is a negative regulator of NET formation during infection. These results support the potential application of Wip1 inhibitors to treat bacterial infections.
Collapse
Affiliation(s)
- Yifang Chen
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- Beijing Institute for Stem Cell and Regeneration, Beijing, China
| | - Chenxu Zhao
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Han Guo
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Weilong Zou
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China
| | - Zhaoqi Zhang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Dong Wei
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Hezhe Lu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
- University of Chinese Academy of Sciences, Beijing, China.
- Beijing Institute for Stem Cell and Regeneration, Beijing, China.
| | - Lianfeng Zhang
- Key Laboratory of Human Diseases Comparative Medicine, Ministry of Health; Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences, Beijing, China.
| | - Yong Zhao
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
- University of Chinese Academy of Sciences, Beijing, China.
- Beijing Institute for Stem Cell and Regeneration, Beijing, China.
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
| |
Collapse
|
20
|
Huijghebaert S, Parviz S, Rabago D, Baxter A, Chatterjee U, Khan FR, Fabbris C, Poulas K, Hsu S. Saline nasal irrigation and gargling in COVID-19: a multidisciplinary review of effects on viral load, mucosal dynamics, and patient outcomes. Front Public Health 2023; 11:1161881. [PMID: 37397736 PMCID: PMC10312243 DOI: 10.3389/fpubh.2023.1161881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/18/2023] [Indexed: 07/04/2023] Open
Abstract
With unrelenting SARS-CoV-2 variants, additional COVID-19 mitigation strategies are needed. Oral and nasal saline irrigation (SI) is a traditional approach for respiratory infections/diseases. As a multidisciplinary network with expertise/experience with saline, we conducted a narrative review to examine mechanisms of action and clinical outcomes associated with nasal SI, gargling, spray, or nebulization in COVID-19. SI was found to reduce SARS-CoV-2 nasopharyngeal loads and hasten viral clearance. Other mechanisms may involve inhibition of viral replication, bioaerosol reduction, improved mucociliary clearance, modulation of ENaC, and neutrophil responses. Prophylaxis was documented adjunctive to personal protective equipment. COVID-19 patients experienced significant symptom relief, while overall data suggest lower hospitalization risk. We found no harm and hence recommend SI use, as safe, inexpensive, and easy-to-use hygiene measure, complementary to hand washing or mask-wearing. In view of mainly small studies, large well-controlled or surveillance studies can help to further validate the outcomes and to implement its use.
Collapse
Affiliation(s)
| | - Shehzad Parviz
- Medstar Health, Brooke Grove Rehabilitation Village, Sandy Spring, MD, United States
- Infectious Disease, Adventist Healthcare, White Oak Medical Center, Silver Spring, MD, United States
| | - David Rabago
- Departments of Family and Community Medicine and Public Health Sciences, Penn State College of Medicine, Pennsylvania, PA, United States
| | - Amy Baxter
- Department of Emergency Medicine, Augusta University, Augusta, GA, United States
| | - Uday Chatterjee
- Department of Paediatric Surgery, Park Medical Research and Welfare Society, Kolkata, West Bengal, India
| | - Farhan R. Khan
- Department of Surgery, Aga Khan University, Karachi, Pakistan
| | | | | | - Stephen Hsu
- Department of Oral Biology, Augusta University, Augusta, GA, United States
- Department of Oral Health and Diagnostic Sciences, Augusta University, Augusta, GA, United States
| |
Collapse
|
21
|
Rubenich DS, de Souza PO, Omizzollo N, Aubin MR, Basso PJ, Silva LM, da Silva EM, Teixeira FC, Gentil GF, Domagalski JL, Cunha MT, Gadelha KA, Diel LF, Gelsleichter NE, Rubenich AS, Lenz GS, de Abreu AM, Kroeff GM, Paz AH, Visioli F, Lamers ML, Wink MR, Worm PV, Araújo AB, Sévigny J, Câmara NOS, Ludwig N, Braganhol E. Tumor-neutrophil crosstalk promotes in vitro and in vivo glioblastoma progression. Front Immunol 2023; 14:1183465. [PMID: 37292196 PMCID: PMC10244780 DOI: 10.3389/fimmu.2023.1183465] [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: 03/10/2023] [Accepted: 05/04/2023] [Indexed: 06/10/2023] Open
Abstract
Introduction The tumor microenvironment (TME) of glioblastoma (GB) is characterized by an increased infiltration of immunosuppressive cells that attenuate the antitumor immune response. The participation of neutrophils in tumor progression is still controversial and a dual role in the TME has been proposed. In this study, we show that neutrophils are reprogrammed by the tumor to ultimately promote GB progression. Methods Using in vitro and in vivo assays, we demonstrate the existence of bidirectional GB and neutrophil communication, directly promoting an immunosuppressive TME. Results and discussion Neutrophils have shown to play an important role in tumor malignancy especially in advanced 3D tumor model and Balb/c nude mice experiments, implying a time- and neutrophil concentration-dependent modulation. Studying the tumor energetic metabolism indicated a mitochondria mismatch shaping the TME secretome. The given data suggests a cytokine milieu in patients with GB that favors the recruitment of neutrophils, sustaining an anti-inflammatory profile which is associated with poor prognosis. Besides, glioma-neutrophil crosstalk has sustained a tumor prolonged activation via NETs formation, indicating the role of NFκB signaling in tumor progression. Moreover, clinical samples have indicated that neutrophil-lymphocyte ratio (NLR), IL-1β, and IL-10 are associated with poor outcomes in patients with GB. Conclusion These results are relevant for understanding how tumor progression occurs and how immune cells can help in this process.
Collapse
Affiliation(s)
- Dominique S. Rubenich
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Priscila O. de Souza
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Natalia Omizzollo
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Mariana R. Aubin
- Laboratório de Células, Tecidos e Genes, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil
| | - Paulo J. Basso
- Departamento de Imunologia, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Luisa M. Silva
- Departamento de Imunologia, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Eloisa M. da Silva
- Departamento de Imunologia, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Fernanda C. Teixeira
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Gabriela F.S. Gentil
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Jordana L. Domagalski
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Maico T. Cunha
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Kerolainy A. Gadelha
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Leonardo F. Diel
- Faculdade de Odontologia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Nicolly E. Gelsleichter
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Aline S. Rubenich
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Gabriela S. Lenz
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Aline M. de Abreu
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Giselle M. Kroeff
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Ana H. Paz
- Laboratório de Células, Tecidos e Genes, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil
| | - Fernanda Visioli
- Laboratório de Células, Tecidos e Genes, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil
| | - Marcelo L. Lamers
- Departamento de Ciências Morfológicas (ICBS), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Marcia R. Wink
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Paulo V. Worm
- Serviço de Neurocirurgia, Hospital São José, Irmandade Santa Casa de Misericórdia de Porto Alegre (ISCMPA), Departamento de Cirurgia-Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Anelise B. Araújo
- Laboratório de Células, Tecidos e Genes, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil
| | - Jean Sévigny
- Centre de Recherche du Centre Hospitalier Universitaire (CHU) de Québec, Université Laval, Québec City, QC, Canada
- Département de Microbiologie-Infectiologie et d’Immunologie, Faculté de Médecine, Université Laval, Québec City, QC, Canada
| | - Niels O. S. Câmara
- Departamento de Imunologia, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Nils Ludwig
- Department of Oral and Maxillofacial Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Elizandra Braganhol
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| |
Collapse
|
22
|
Yang T, Yu J, Ahmed T, Nguyen K, Nie F, Zan R, Li Z, Han P, Shen H, Zhang X, Takayama S, Song Y. Synthetic neutrophil extracellular traps dissect bactericidal contribution of NETs under regulation of α-1-antitrypsin. SCIENCE ADVANCES 2023; 9:eadf2445. [PMID: 37115934 PMCID: PMC10146876 DOI: 10.1126/sciadv.adf2445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 03/30/2023] [Indexed: 05/03/2023]
Abstract
Deciphering the complex interplay of neutrophil extracellular traps (NETs) with the surrounding environment is a challenge with notable clinical implications. To bridge the gap in knowledge, we report our findings on the antibacterial activity against Pseudomonas aeruginosa of synthetic NET-mimetic materials composed of nanofibrillated DNA-protein complexes. Our synthetic system makes component-by-component bottom-up analysis of NET protein effects possible. When the antimicrobial enzyme neutrophil elastase (NE) is incorporated into the bactericidal DNA-histone complexes, the resulting synthetic NET-like structure exhibits an unexpected reduction in antimicrobial activity. This critical immune function is rescued upon treatment with alpha-1-antitrypsin (AAT), a physiological tissue-protective protease inhibitor. This suggests a direct causal link between AAT inhibition of NE and preservation of histone-mediated antimicrobial activity. These results help better understand the complex and, at times, contradictory observations of in vivo antimicrobial effects of NETs and AAT by excluding neutrophil, cytokine, and chemoattractant contributions.
Collapse
Affiliation(s)
- Ting Yang
- School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Wallace H Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, Atlanta, GA 30332, USA
| | - Jinlong Yu
- Department of Orthopedics, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Tasdiq Ahmed
- Wallace H Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, Atlanta, GA 30332, USA
| | - Katherine Nguyen
- Wallace H Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, Atlanta, GA 30332, USA
| | - Fang Nie
- Renji Hospital affiliated to Shanghai Jiao Tong University, Shanghai 200127, China
| | - Rui Zan
- Shanghai Engineering Research Center of Biliary Tract Minimal Invasive Surgery and Materials, Shanghai 200032, China
| | - Zhiwei Li
- Renji Hospital affiliated to Shanghai Jiao Tong University, Shanghai 200127, China
| | - Pei Han
- Department of Orthopedics, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Hao Shen
- Department of Orthopedics, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Xiaonong Zhang
- School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Shanghai Engineering Research Center of Biliary Tract Minimal Invasive Surgery and Materials, Shanghai 200032, China
| | - Shuichi Takayama
- Wallace H Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, Atlanta, GA 30332, USA
| | - Yang Song
- School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| |
Collapse
|
23
|
Potential of hydroethanolic leaf extract of Ocimum sanctum in ameliorating redox status and lung injury in COPD: an in vivo and in silico study. Sci Rep 2023; 13:1131. [PMID: 36670131 PMCID: PMC9860039 DOI: 10.1038/s41598-023-27543-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 01/04/2023] [Indexed: 01/22/2023] Open
Abstract
Oxidative stress and inflammation are hypothesised as the main contributor for Chronic Obstructive Pulmonary Disease (COPD). Cigarette smoke (CS), a major cause of COPD leads to inflammation resulting in recruitment of neutrophils and macrophages which are rich sources of oxidants. Activation of these cells produces excess oxidants and depletes antioxidants resulting in stress. Presently, effective drug for COPD is limited; therefore, novel compounds from natural sources, including plants are under exploration. The present study aims to investigate the protective effect of Ocimum sanctum leaf extract (OLE) in CS - induced model of COPD. Exposure to CS was performed thrice a week for 8 weeks and OLE (200 mg/kg and 400 mg/kg) was administered an hour before CS exposure. Control group (negative control) were exposed to ambient air while COPD group was exposed to CS (positive control). Administration of OLE doses reduced inflammation, decreased oxidant concentration and increased antioxidant concentration (p < 0.01). Molecular docking studies between the major phytocompounds of OLE (Eugenol, Cyclohexane and Caryophyllene) and antioxidant enzymes Superoxide dismutase (SOD), Catalase, Glutathione peroxidase (GPx), Glutathione reductase (GR) and Glutathione S Transferase (GST) showed strong binding interaction in terms of binding energy. In vivo and in silico findings for the first time indicates that OLE extract significantly alleviates oxidative stress by its potent free radical scavenging property and strong interaction with antioxidant enzymes. OLE extract may prove to be a therapeutic option for COPD prevention and treatment.
Collapse
|
24
|
Talal S, Mona K, Karem A, Yaniv L, Reut HM, Ariel S, Moran AK, Harel E, Campisi-Pinto S, Mahmoud AA, Raul C, David T, Gil BS, Idan C. Neutrophil degranulation and severely impaired extracellular trap formation at the basis of susceptibility to infections of hemodialysis patients. BMC Med 2022; 20:364. [PMID: 36284314 PMCID: PMC9597999 DOI: 10.1186/s12916-022-02564-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 09/12/2022] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Chronic kidney disease patients are at increased risk of mortality with cardiovascular diseases and infections as the two leading causes of death for end-stage kidney disease treated with hemodialysis (HD). Mortality from bacterial infections in HD patients is estimated to be 100-1000 times higher than in the healthy population. METHODS We comprehensively characterized highly pure circulating neutrophils from HD and healthy donors. RESULTS Protein levels and transcriptome of HD patients' neutrophils indicated massive neutrophil degranulation with a dramatic reduction in reactive oxygen species (ROS) production during an oxidative burst and defective oxidative cellular signaling. Moreover, HD neutrophils exhibit severely impaired ability to generate extracellular NET formation (NETosis) in NADPH oxidase-dependent or independent pathways, reflecting their loss of capacity to kill extracellular bacteria. Ectopic hydrogen peroxidase (H2O2) or recombinant human SOD-1 (rSOD-1) partly restores and improves the extent of HD dysfunctional neutrophil NET formation. CONCLUSIONS Our report is one of the first singular examples of severe and chronic impairment of NET formation leading to substantial clinical susceptibility to bacteremia that most likely results from the metabolic and environmental milieu typical to HD patients and not by common human genetic deficiencies. In this manner, aberrant gene expression and differential exocytosis of distinct granule populations could reflect the chronic defect in neutrophil functionality and their diminished ability to induce NETosis. Therefore, our findings suggest that targeting NETosis in HD patients may reduce infections, minimize their severity, and decrease the mortality rate from infections in this patient population.
Collapse
Affiliation(s)
- Salti Talal
- Oncology & Hematology Division, Cancer Center, Emek Medical Center, 21 Yitzhak Rabin Blvd, 1834111, Afula, Israel
- Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, 320002, Haifa, Israel
| | - Khoury Mona
- Oncology & Hematology Division, Cancer Center, Emek Medical Center, 21 Yitzhak Rabin Blvd, 1834111, Afula, Israel
- Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, 320002, Haifa, Israel
| | - Awad Karem
- Nephrology Department, Emek Medical Center, Afula, Israel
| | | | | | - Shemesh Ariel
- Biomedical Core Facility, Bruce Rappaport Faculty of Medicine Technion-Israel, Haifa, Israel
| | | | - Eitam Harel
- Emek Medical Center, Clinical Laboratories, Clalit, Afula, Israel
| | | | - Abu-Amna Mahmoud
- Oncology & Hematology Division, Cancer Center, Emek Medical Center, 21 Yitzhak Rabin Blvd, 1834111, Afula, Israel
| | - Colodner Raul
- Emek Medical Center, Clinical Laboratories, Clalit, Afula, Israel
| | - Tovbin David
- Nephrology Department, Emek Medical Center, Afula, Israel
| | - Bar-Sela Gil
- Oncology & Hematology Division, Cancer Center, Emek Medical Center, 21 Yitzhak Rabin Blvd, 1834111, Afula, Israel.
- Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, 320002, Haifa, Israel.
| | - Cohen Idan
- Oncology & Hematology Division, Cancer Center, Emek Medical Center, 21 Yitzhak Rabin Blvd, 1834111, Afula, Israel.
| |
Collapse
|
25
|
Mikhalchik E, Basyreva LY, Gusev SA, Panasenko OM, Klinov DV, Barinov NA, Morozova OV, Moscalets AP, Maltseva LN, Filatova LY, Pronkin EA, Bespyatykh JA, Balabushevich NG. Activation of Neutrophils by Mucin–Vaterite Microparticles. Int J Mol Sci 2022; 23:ijms231810579. [PMID: 36142492 PMCID: PMC9501559 DOI: 10.3390/ijms231810579] [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: 08/11/2022] [Revised: 09/04/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Nano- and microparticles enter the body through the respiratory airways and the digestive system, or form as biominerals in the gall bladder, salivary glands, urinary bladder, kidney, or diabetic pancreas. Calcium, magnesium, and phosphate ions can precipitate from biological fluids in the presence of mucin as hybrid nanoparticles. Calcium carbonate nanocrystallites also trap mucin and are assembled into hybrid microparticles. Both mucin and calcium carbonate polymorphs (calcite, aragonite, and vaterite) are known to be components of such biominerals as gallstones which provoke inflammatory reactions. Our study was aimed at evaluation of neutrophil activation by hybrid vaterite–mucin microparticles (CCM). Vaterite microparticles (CC) and CCM were prepared under standard conditions. The diameter of CC and CCM was 3.3 ± 0.8 µm and 5.8 ± 0.7 µm, with ƺ-potentials of −1 ± 1 mV and −7 ± 1 mV, respectively. CC microparticles injured less than 2% of erythrocytes in 2 h at 1.5 mg mL−1, and no hemolysis was detected with CCM; this let us exclude direct damage of cellular membranes by microparticles. Activation of neutrophils was analyzed by luminol- and lucigenin-dependent chemiluminescence (Lum-CL and Luc-CL), by cytokine gene expression (IL-6, IL-8, IL-10) and release (IL-1β, IL-6, IL-8, IL-10, TNF-α), and by light microscopy of stained smears. There was a 10-fold and higher increase in the amplitude of Lum-CL and Luc-CL after stimulation of neutrophils with CCM relative to CC. Adsorption of mucin onto prefabricated CC microparticles also contributed to activation of neutrophil CL, unlike mucin adsorption onto yeast cell walls (zymosan); adsorbed mucin partially suppressed zymosan-stimulated production of oxidants by neutrophils. Preliminary treatment of CCM with 0.1–10 mM NaOCl decreased subsequent activation of Lum-CL and Luc-CL of neutrophils depending on the used NaOCl concentration, presumably because of the surface mucin oxidation. Based on the results of ELISA, incubation of neutrophils with CCM downregulated IL-6 production but upregulated that of IL-8. IL-6 and IL-8 gene expression in neutrophils was not affected by CC or CCM according to RT2-PCR data, which means that post-translational regulation was involved. Light microscopy revealed adhesion of CC and CCM microparticles onto the neutrophils; CCM increased neutrophil aggregation with a tendency to form neutrophil extracellular traps (NETs). We came to the conclusion that the main features of neutrophil reaction to mucin–vaterite hybrid microparticles are increased oxidant production, cell aggregation, and NET-like structure formation, but without significant cytokine release (except for IL-8). This effect of mucin is not anion-specific since particles of powdered kidney stone (mainly calcium oxalate) in the present study or calcium phosphate nanowires in our previous report also activated Lum-CL and Luc-CL response of neutrophils after mucin sorption.
Collapse
Affiliation(s)
- Elena Mikhalchik
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
- Correspondence: ; Tel.: +7-4-99-2464352
| | - Liliya Yu. Basyreva
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
| | - Sergey A. Gusev
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
| | - Oleg M. Panasenko
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
| | - Dmitry V. Klinov
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
- Laboratory of Biomaterials, Sirius University of Science and Technology, 354340 Sochi, Russia
| | - Nikolay A. Barinov
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
- Laboratory of Biomaterials, Sirius University of Science and Technology, 354340 Sochi, Russia
| | - Olga V. Morozova
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
- National Research Center of Epidemiology and Microbiology of N.F. Gamaleya, 123098 Moscow, Russia
| | - Alexander P. Moscalets
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
- Laboratory of Biomaterials, Sirius University of Science and Technology, 354340 Sochi, Russia
| | - Liliya N. Maltseva
- Faculty of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Lyubov Yu. Filatova
- Faculty of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Evgeniy A. Pronkin
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
| | - Julia A. Bespyatykh
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
- Expertise Department in Anti-Doping and Drug Control, Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
| | | |
Collapse
|
26
|
Studying the Interaction of Neutrophils and Glaesserella Parasuis Indicates a Serotype Independent Benefit from Degradation of NETs. Pathogens 2022; 11:pathogens11080880. [PMID: 36015001 PMCID: PMC9415231 DOI: 10.3390/pathogens11080880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/28/2022] [Accepted: 08/01/2022] [Indexed: 02/04/2023] Open
Abstract
Glaesserella (G.) parasuis is one of the most important porcine pathogens causing Glaesser’s disease. Neutrophil granulocytes are the major counteracting cell type of the innate immune system, which contribute to the host defense by phagocytosis or the formation of neutrophil extracellular traps (NETs). Recently, NET-formation has been shown to facilitate the survival of bacteria from the Pasteurellaceae family. However, the interaction of NETs and G. parasuis is unclear so far. In this study, we investigated the interplay of three G. parasuis serotypes with porcine neutrophils. The production of reactive oxygen species by neutrophils after G. parasuis infection varied slightly among the serotypes but was generally low and not significantly influenced by the serotypes. Interestingly, we detected that independent of the serotype of G. parasuis, NET formation in neutrophils was induced to a small but significant extent. This phenomenon occurred despite the ability of G. parasuis to release nucleases, which can degrade NETs. Furthermore, the growth of Glaesserella was enhanced by external DNases and degraded NETs. This indicates that Glaesserella takes up degraded NET components, supplying them with nicotinamide adenine dinucleotide (NAD), as this benefit was diminished by inhibiting the 5′-nucleotidase, which metabolizes NAD. Our results indicate a serotype-independent interaction of Glaesserella with neutrophils by inducing NET-formation and benefiting from DNA degradation.
Collapse
|
27
|
You Z, Huang X, Xiang Y, Dai J, Jiang J, Xu J. Molecular feature of neutrophils in immune microenvironment of muscle atrophy. J Cell Mol Med 2022; 26:4658-4665. [PMID: 35899367 PMCID: PMC9443939 DOI: 10.1111/jcmm.17495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 07/02/2022] [Accepted: 07/06/2022] [Indexed: 12/16/2022] Open
Abstract
Homeostasis in skeletal muscle is sustained by the balance of functional and physical interactions between muscle and myofibre microenvironment. Various factors, such as ageing, disuse and denervation, tip the balance and induce skeletal muscle atrophy. Skeletal muscle atrophy, which involves complex physiological and biochemical changes, is accompanied by adverse outcomes and even increased mortality. Multiple studies have investigated the role of neutrophils in atrophied skeletal muscles; however, neutrophil intrusion in muscle is still a polemical knot. As technical obstacles have been overcome, people have gradually discovered new functions of neutrophils. The classical view of neutrophils is no longer applicable to their biological characteristics. To date, no clear association between the hidden injurious effect of neutrophil intrusion and muscle atrophy has been convincingly proven. Throughout this review, we have discussed the neutrophil activities that mediate muscle atrophy for distinct disease occurrences. Hopefully, this review will help both clinicians and researchers of skeletal muscle atrophy with relevant targets to further explore efficient medical interventions and treatments.
Collapse
Affiliation(s)
- Zongqi You
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Xinying Huang
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Yaoxian Xiang
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Junxi Dai
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Junjian Jiang
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Jianguang Xu
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China.,School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| |
Collapse
|
28
|
Assessment of humoral immunity and nutritionally essential trace elements in steady-state sickle cell disease Nigerian children before and after Prevenar 13 pneumococcal vaccination. BLOOD SCIENCE 2022; 4:170-173. [PMID: 36518602 PMCID: PMC9742099 DOI: 10.1097/bs9.0000000000000115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 04/11/2022] [Indexed: 02/07/2023] Open
Abstract
Children with sickle cell disease (SCD) are particularly prone to pneumococcal infection and administration of Prevenar 13 pneumococcal vaccine in Nigerian children with SCD is yet to be wide spread. This call for the need to study humoral immune responses stimulated by Prevenar 13 pneumococcal vaccine in SCD children to confirm the benefit or otherwise for the use of Prevenar 13 pneumococcal vaccine. Method The levels of humoral (innate and adaptive) immune factors and associated nutritionally essential trace elements were determined following Prevenar 13 pneumococcal vaccination of 23 Nigerian children with SCD. Serum innate humoral immune factors [Complement factors (C1q and C4), transferrin, ferritin, and C-reactive protein (CRP)] and adaptive humoral immune factors [IgG, IgA, IgM, and IgE] were determined using ELISA. Nutritionally essential trace elements such as iron (Fe), copper (Cu), and zinc (Zn) were measured also using an atomic absorption spectrophotometer. Results The serum levels of certain innate humoral immune factors (ferritin, CRP, and C4), only one adaptive humoral immune factors (IgE), and essential trace elements (Fe, Zn, and Cu) were significantly elevated in children with SCD post Prevenar 13 pneumococcal vaccination when compared to prevaccination levels. Conclusion Vaccination of children with SCD with Prevenar 13 pneumococcal vaccine was associated with increased levels of more innate humoral immune factors than adaptive factors. This study thus supports the administration of Prevenar 13 pneumococcal vaccination to children with SCD.
Collapse
|
29
|
Jakubiak GK, Cieślar G, Stanek A. Nitrotyrosine, Nitrated Lipoproteins, and Cardiovascular Dysfunction in Patients with Type 2 Diabetes: What Do We Know and What Remains to Be Explained? Antioxidants (Basel) 2022; 11:antiox11050856. [PMID: 35624720 PMCID: PMC9137700 DOI: 10.3390/antiox11050856] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/20/2022] [Accepted: 04/25/2022] [Indexed: 02/04/2023] Open
Abstract
Diabetes mellitus (DM) is a strong risk factor for the development of cardiovascular diseases (CVDs), which are the most important cause of morbidity and mortality in the population of patients living with DM. DM is associated with lipid metabolism disorders characterized by a decrease in the high-density lipoprotein blood concentration, an increase in the triglyceride blood concentration, and the presence of modified lipoproteins not routinely measured in clinical practice. Nitrated lipoproteins are produced by the nitration of the tyrosyl residues of apolipoproteins by myeloperoxidase. There is some evidence from the research conducted showing that nitrated lipoproteins may play a role in the development of cardiovascular dysfunction, but this issue requires further investigation. It was found that the nitration of HDL particles was associated with a decrease in caspase-3 and paraoxonase-1 activity, as well as a decrease in the activity of cholesterol transport via ABCA1, which reduces the protective effect of HDL particles on the cardiovascular system. Less information has been collected about the role of nitrated LDL particles. Thus far, much more information has been obtained on the relationship of nitrotyrosine expression with the presence of cardiovascular risk factors and the development of cardiovascular dysfunction. The purpose of this paper is to provide an extensive review of the literature and to present the most important information on the current state of knowledge on the association between nitrotyrosine and nitrated lipoproteins with dysfunction of the cardiovascular system, especially in patients living with DM. Moreover, directions for future research in this area were discussed.
Collapse
|
30
|
Kremserová S, Kocurková A, Chorvátová M, Klinke A, Kubala L. Myeloperoxidase Deficiency Alters the Process of the Regulated Cell Death of Polymorphonuclear Neutrophils. Front Immunol 2022; 13:707085. [PMID: 35211113 PMCID: PMC8860816 DOI: 10.3389/fimmu.2022.707085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 01/18/2022] [Indexed: 01/17/2023] Open
Abstract
Polymorphonuclear neutrophils (PMNs) play a key role in host defense. However, their massive accumulation at the site of inflammation can delay regenerative healing processes and can initiate pathological inflammatory processes. Thus, the efficient clearance of PMNs mediated by the induction of regulated cell death is a key process preventing the development of these pathological conditions. Myeloperoxidase (MPO), a highly abundant enzyme in PMN granules, primarily connected with PMN defense machinery, is suggested to play a role in PMN-regulated cell death. However, the contribution of MPO to the mechanisms of PMN cell death remains incompletely characterized. Herein, the process of the cell death of mouse PMNs induced by three different stimuli – phorbol 12-myristate 13-acetate (PMA), opsonized streptococcus (OST), and N-formyl-met-leu-phe (fMLP) – was investigated. MPO-deficient PMNs revealed a significantly decreased rate of cell death characterized by phosphatidylserine surface exposure and cell membrane permeabilization. An inhibitor of MPO activity, 4-aminobenzoic acid hydrazide, did not exhibit a significant effect on PMA-induced cell death compared to MPO deficiency. Interestingly, only the limited activation of markers related to apoptotic cell death was observed (e.g. caspase 8 activation, Bax expression) and they mostly did not correspond to phosphatidylserine surface exposure. Furthermore, a marker characterizing autophagy, cleavage of LC3 protein, as well as histone H3 citrullination and its surface expression was observed. Collectively, the data show the ability of MPO to modulate the life span of PMNs primarily through the potentiation of cell membrane permeabilization and phosphatidylserine surface exposure.
Collapse
Affiliation(s)
- Silvie Kremserová
- Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czechia
| | - Anna Kocurková
- Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czechia.,Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia.,International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czechia
| | - Michaela Chorvátová
- Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czechia.,Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Anna Klinke
- Clinic of General and Interventional Cardiology/Angiology, Agnes Wittenborg Institute of Translational Cardiovascular Research, Herz- und Diabeteszentrum NRW, Ruhr-Universität Bochum, Bad Oeynhausen, Germany
| | - Lukáš Kubala
- Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czechia.,Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia.,International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czechia
| |
Collapse
|
31
|
Brings C, Fröbel J, Cadeddu P, Germing U, Haas R, Gattermann N. Impaired formation of neutrophil extracellular traps in patients with MDS. Blood Adv 2022; 6:129-137. [PMID: 34653237 PMCID: PMC8753191 DOI: 10.1182/bloodadvances.2021005721] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/22/2021] [Indexed: 11/20/2022] Open
Abstract
Neutrophil extracellular traps (NETs) are networks of extracellular fibers primarily composed of DNA and histone proteins, which bind pathogens. We investigated NET formation in 12 patients with myelodysplastic syndrome (MDS) and 15 age-adjusted normal controls after stimulation with phorbol-12-myristate-13-acetate (PMA). Histones and neutrophil elastase were visualized by immunostaining. Since NET formation is triggered by reactive oxygen species (ROS), mainly produced by reduced NADP-oxidase and myeloperoxidase (MPO), ROS were analyzed by flow cytometry using hydroethidine, 3'-(p-aminophenyl) fluorescein, and 3'-(hydroxyphenyl) fluorescein. On fluorescence microscopy, PMA-stimulated MDS neutrophils generated fewer NETs than controls (stimulated increase from 17% to 67% vs 17% to 85%) (P = .02) and showed less cellular swelling (P = .04). The decrease in mean fluorescence intensity (MFI) of 4',6-diamidino-2-phenylindole, indicating chromatin decondensation, was significantly less in MDS neutrophils than controls (ΔMFI 3467 vs ΔMFI 4687, P = .03). In addition, the decrease in MFI for fluorescein isothiocyanate, indicating release of neutrophil elastase from cytoplasmic granules, was diminished in patients with MDS (P = .00002). On flow cytometry, less cell swelling after PMA (P = .02) and a smaller decrease in granularity after H2O2 stimulation (P = .002) were confirmed. PMA-stimulated ROS production and oxidative burst activity did not reveal significant differences between MDS and controls. However, inhibition of MPO activity was more easily achieved in patients with MDS (P = .01), corroborating the notion of a partial MPO defect. We conclude that NET formation is significantly impaired in MDS neutrophils. Although we found abnormalities of MPO-dependent generation of hypochloride, impaired ROS production may not be the only cause of deficient NETosis in MDS.
Collapse
Affiliation(s)
- Carolin Brings
- Department of Vascular and Endovascular Surgery, Heinrich Heine University, Düsseldorf, Germany
| | - Julia Fröbel
- Department of Immunology, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany; and
| | - Patrick Cadeddu
- Department of Hematology, Oncology and Clinical Immunology, Heinrich Heine University, Düsseldorf, Germany
| | - Ulrich Germing
- Department of Hematology, Oncology and Clinical Immunology, Heinrich Heine University, Düsseldorf, Germany
| | - Rainer Haas
- Department of Hematology, Oncology and Clinical Immunology, Heinrich Heine University, Düsseldorf, Germany
| | - Norbert Gattermann
- Department of Hematology, Oncology and Clinical Immunology, Heinrich Heine University, Düsseldorf, Germany
| |
Collapse
|
32
|
Inhibition of NADPH oxidase blocks NETosis and reduces thrombosis in heparin-induced thrombocytopenia. Blood Adv 2021; 5:5439-5451. [PMID: 34478504 PMCID: PMC9153028 DOI: 10.1182/bloodadvances.2020003093] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 05/24/2021] [Indexed: 12/23/2022] Open
Abstract
ROS generation is essential for thrombus formation in HIT. NOX2 inhibition prevents thrombus formation in a murine model of HIT.
Heparin-induced thrombocytopenia (HIT) is associated with severe and potentially lethal thrombotic complications. NETosis was recently shown to be an important driver of thrombosis in HIT. We investigated the role of reactive oxygen species (ROS) and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 2 (NOX2) and their contributions to thrombus development in HIT. We showed that neutrophil activation by HIT immune complexes induced ROS-dependent NETosis. Analysis of thrombi formed in a microfluidics system showed ROS production in both platelets and neutrophils, and abundant neutrophil extracellular traps (NETs) and ROS distributed throughout the clot. Neutrophil-targeted ROS inhibition was sufficient to block HIT-induced NETosis and thrombosis using human blood. Inhibition of NOX2 with diphenyleneiodonium chloride or GSK2795039 abrogated HIT-induced thrombi in vivo using FcγRIIa+/hPF4+-transgenic mice. Thrombocytopenia in mice remained unaffected by ROS inhibition. Increased ROS production in activated neutrophils was also confirmed using fresh blood from patients with active HIT. Our findings show that ROS and NOX2 play a crucial role in NETosis and thrombosis in HIT. This enhances our understanding of the processes driving thrombosis in HIT and identifies NOX2 as a potential new therapeutic target for antithrombotic treatment of HIT.
Collapse
|
33
|
Parker HA, Jones HM, Kaldor CD, Hampton MB, Winterbourn CC. Neutrophil NET Formation with Microbial Stimuli Requires Late Stage NADPH Oxidase Activity. Antioxidants (Basel) 2021; 10:antiox10111791. [PMID: 34829662 PMCID: PMC8614658 DOI: 10.3390/antiox10111791] [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: 09/26/2021] [Revised: 10/29/2021] [Accepted: 11/02/2021] [Indexed: 11/16/2022] Open
Abstract
Neutrophils respond to a range of stimuli by releasing extracellular traps (NETs), a mesh consisting of chromatin plus granule and cytoplasmic proteins. We have investigated NET release in response to phorbol myristate acetate (PMA), Pseudomonas aeruginosa (PAO1), Staphylococcus aureus and Candida albicans, and the involvement of NADPH oxidase (NOX2) and myeloperoxidase (MPO) activities. An oxidative mechanism was involved with each stimulus, and the NOX2 inhibitor diphenylene iodonium (DPI) gave almost total inhibition. Notably, DPI added up to 60-90 min after stimulation still gave significant inhibition of subsequent NET formation. As most of the NOX2 activity had already occurred by that time, this indicates a requirement for late-stage low-level oxidant production. Inhibition of histone citrullination did not suppress NET formation, indicating that this was not the essential oxidant-dependent step. With PMA and P. aeruginosa PAO1, MPO activity played an important role in the induction of NETs and MPO inhibitors added up to 30-90 min after stimulation suppressed NET formation. NET formation with S. aureus and C. albicans was insensitive to MPO inhibition. Thus, MPO products are important with some stimuli but not others. Our results extend earlier observations with PMA and show that induction of NETs by microbial stimuli requires late stage oxidant production. Others have shown that NET formation involves NOX2-dependent elastase release from granules. As this is an early event, we conclude from our results that there is more than one oxidant-dependent step.
Collapse
|
34
|
Mutua V, Gershwin LJ. A Review of Neutrophil Extracellular Traps (NETs) in Disease: Potential Anti-NETs Therapeutics. Clin Rev Allergy Immunol 2021; 61:194-211. [PMID: 32740860 PMCID: PMC7395212 DOI: 10.1007/s12016-020-08804-7] [Citation(s) in RCA: 247] [Impact Index Per Article: 82.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Activated neutrophils release neutrophil extracellular traps (NETs) in response to a variety of stimuli. NETosis is driven by protein-arginine deiminase type 4, with the release of intracellular granule components that function by capturing and destroying microbes, including viral, fungal, bacterial, and protozoal pathogens. The positive effects of pathogen control are countered by pro-inflammatory effects as demonstrated in a variety of diseases. Components of NETS are non-specific, and other than controlling microbes, they cause injury to surrounding tissue by themselves or by increasing the pro-inflammatory response. NETs can play a role in enhancement of the inflammation seen in autoimmune diseases including psoriasis, rheumatoid arthritis, and systemic lupus erythematosis. In addition, autoinflammatory diseases such as gout have been associated with NETosis. Inhibition of NETs may decrease the severity of many diseases improving survival. Herein, we describe NETosis in different diseases focusing on the detrimental effect of NETs and outline possible therapeutics that can be used to mitigate netosis. There is a need for more studies and clinical trials on these and other compounds that could prevent or destroy NETs, thereby decreasing damage to patients.
Collapse
Affiliation(s)
- Victoria Mutua
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, 1 Shields Ave, Davis, CA, USA.
| | - Laurel J Gershwin
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, 1 Shields Ave, Davis, CA, USA
| |
Collapse
|
35
|
New Insights on NETosis Induced by Entamoeba histolytica: Dependence on ROS from Amoebas and Extracellular MPO Activity. Antioxidants (Basel) 2021; 10:antiox10060974. [PMID: 34206992 PMCID: PMC8233886 DOI: 10.3390/antiox10060974] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 06/05/2021] [Accepted: 06/06/2021] [Indexed: 01/01/2023] Open
Abstract
NETosis is a neutrophil process involving sequential steps from pathogen detection to the release of DNA harboring antimicrobial proteins, including the central generation of NADPH oxidase dependent or independent ROS. Previously, we reported that NETosis triggered by Entamoeba histolytica trophozoites is independent of NADPH oxidase activity in neutrophils, but dependent on the viability of the parasites and no ROS source was identified. Here, we explored the possibility that E. histolytica trophozoites serve as the ROS source for NETosis. NET quantitation was performed using SYTOX® Green assay in the presence of selective inhibitors and scavengers. We observed that respiratory burst in neutrophils was inhibited by trophozoites in a dose dependent manner. Mitochondrial ROS was not also necessary, as the mitochondrial scavenger mitoTEMPO did not affect the process. Surprisingly, ROS-deficient amoebas obtained by pre-treatment with pyrocatechol were less likely to induce NETs. Additionally, we detected the presence of MPO on the cell surface of trophozoites after the interaction with neutrophils and found that luminol and isoluminol, intracellular and extracellular scavengers for MPO derived ROS reduced the amount of NET triggered by amoebas. These data suggest that ROS generated by trophozoites and processed by the extracellular MPO during the contact with neutrophils are required for E. histolytica induced NETosis.
Collapse
|
36
|
Vermot A, Petit-Härtlein I, Smith SME, Fieschi F. NADPH Oxidases (NOX): An Overview from Discovery, Molecular Mechanisms to Physiology and Pathology. Antioxidants (Basel) 2021; 10:890. [PMID: 34205998 PMCID: PMC8228183 DOI: 10.3390/antiox10060890] [Citation(s) in RCA: 227] [Impact Index Per Article: 75.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/21/2021] [Accepted: 05/26/2021] [Indexed: 01/17/2023] Open
Abstract
The reactive oxygen species (ROS)-producing enzyme NADPH oxidase (NOX) was first identified in the membrane of phagocytic cells. For many years, its only known role was in immune defense, where its ROS production leads to the destruction of pathogens by the immune cells. NOX from phagocytes catalyzes, via one-electron trans-membrane transfer to molecular oxygen, the production of the superoxide anion. Over the years, six human homologs of the catalytic subunit of the phagocyte NADPH oxidase were found: NOX1, NOX3, NOX4, NOX5, DUOX1, and DUOX2. Together with the NOX2/gp91phox component present in the phagocyte NADPH oxidase assembly itself, the homologs are now referred to as the NOX family of NADPH oxidases. NOX are complex multidomain proteins with varying requirements for assembly with combinations of other proteins for activity. The recent structural insights acquired on both prokaryotic and eukaryotic NOX open new perspectives for the understanding of the molecular mechanisms inherent to NOX regulation and ROS production (superoxide or hydrogen peroxide). This new structural information will certainly inform new investigations of human disease. As specialized ROS producers, NOX enzymes participate in numerous crucial physiological processes, including host defense, the post-translational processing of proteins, cellular signaling, regulation of gene expression, and cell differentiation. These diversities of physiological context will be discussed in this review. We also discuss NOX misregulation, which can contribute to a wide range of severe pathologies, such as atherosclerosis, hypertension, diabetic nephropathy, lung fibrosis, cancer, or neurodegenerative diseases, giving this family of membrane proteins a strong therapeutic interest.
Collapse
Affiliation(s)
- Annelise Vermot
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale, 38000 Grenoble, France; (A.V.); (I.P.-H.)
| | - Isabelle Petit-Härtlein
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale, 38000 Grenoble, France; (A.V.); (I.P.-H.)
| | - Susan M. E. Smith
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, GA 30144, USA;
| | - Franck Fieschi
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale, 38000 Grenoble, France; (A.V.); (I.P.-H.)
| |
Collapse
|
37
|
Rehring JF, Bui TM, Galán-Enríquez CS, Urbanczyk JM, Ren X, Wiesolek HL, Sullivan DP, Sumagin R. Released Myeloperoxidase Attenuates Neutrophil Migration and Accumulation in Inflamed Tissue. Front Immunol 2021; 12:654259. [PMID: 33959129 PMCID: PMC8093447 DOI: 10.3389/fimmu.2021.654259] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 04/06/2021] [Indexed: 01/13/2023] Open
Abstract
Neutrophil (PMN) recruitment to sites of insult is critical for host defense, however excessive PMN activity and tissue accumulation can lead to exacerbated inflammation and injury. Myeloperoxidase (MPO) is a PMN azurophilic granule enzyme, which together with H2O2, forms a powerful antimicrobial system designed to kill ingested bacteria. Intriguingly, in addition to intracellular killing of invading microorganisms and extracellular tissue damage due generation of ROS, soluble MPO has been directly implicated in modulating cellular responses and tissue homeostasis. In the current work, we used several models of inflammation, murine and human PMNs and state-of-the-art intravital microscopy to examine the effect of MPO on PMN migration and tissue accumulation. We found that in the absence of functional MPO (MPO knockout, KO mice) inflammatory PMN tissue accumulation was significantly enhanced. We determined that the elevated numbers of PMNs in MPO knockout mice was not due to enhanced viability, but due to increased migratory ability. Acute PMN migration in models of zymosan-induced peritonitis or ligated intestinal loops induced by intraluminal administration of PMN-chemokine CXCL1 was increased over 2-fold in MPO KO compared to wild type (WT) mice. Using real-time intravital imaging of inflamed mouse cremaster muscle and ex vivo PMN co-culture with inflamed endothelial cells (ECs) we demonstrate that elevated migration of MPO KO mice was due to enhanced adhesive interactions. In contrast, addition of soluble recombinant MPO both in vivo and ex vivo diminished PMN adhesion and migration. Although MPO has been previously suggested to bind CD11b, we found no significant difference in CD11b expression in either resting or activated PMNs and further showed that the MPO binding to the PMN surface is not specific to CD11b. As such, our data identify MPO as a novel regulator of PMN trafficking in inflammation.
Collapse
Affiliation(s)
- Jacob F Rehring
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Triet M Bui
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | | | - Jessica M Urbanczyk
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Xingsheng Ren
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Hannah L Wiesolek
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - David P Sullivan
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Ronen Sumagin
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| |
Collapse
|
38
|
Goulart da Silva G, de Oliveira Braga LE, Souza de Oliveira EC, Valério Tinti S, de Carvalho JE, Goldoni Lazarini J, Rosalen PL, Dionísio AP, Tasca Gois Ruiz AL. Cashew apple byproduct: Gastroprotective effects of standardized extract. JOURNAL OF ETHNOPHARMACOLOGY 2021; 269:113744. [PMID: 33359862 DOI: 10.1016/j.jep.2020.113744] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 12/04/2020] [Accepted: 12/21/2020] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The incidence of gastric mucosa lesions in the adult population has increased mainly due to the continued use of nonsteroidal anti-inflammatory drugs (NSAIDs). The cashew (Anacardium occidentale L.) is a tropical tree, cultivated in several countries, whose barks, leaves and pseudofruit (cashew apple) are popularly used in traditional medicine for the treatment of many diseases, including gastric ulcer. AIM Our study evaluated the potential gastroprotective effect of the carotenoid and anacardic acids-enriched aqueous extract (CAE), prepared from cashew apple pomace, in the dose-repeated acetylsalicylic acid (ASA)-induced gastric lesions model in rats. MATERIAL AND METHODS After randomly distribution into five group (G1 - G5, n = 8 animals/group), male Wistar rats were daily treated with ASA solution (200 mg/kg, 5 ml/kg, G2 - G5) or potable water (Satellite group, G1) during 14 days. From 8th to 14th experimental day, rats in G3 - G5 groups were orally treated with CAE (50, 100 and 500 mg/kg, 5 ml/kg, respectively). Body weight was measured on 0, 7th and 14th day. On the 14th experimental day, all surviving animals were euthanized for macroscopic evaluation of the inner organs and stomach removal. After weighting, each stomach was properly prepared for biochemical analysis [myeloperoxidase activity (MPO), reduced glutathione analysis (GSH), IL-1β, CXCL2/MIP-2, TNF-α and IL-10 levels]. RESULTS At the most efficient dose (100 mg/kg, p.o.), CAE-treated animals showed a slight improvement in the macroscopic aspect of gastric mucosa associated with significant (p < 0.05) reduced levels of IL-1β, CXCL2/MIP-2, and MPO activity besides increased levels of GSH (partially), and IL-10 in stomach tissues. CONCLUSIONS The present study demonstrated that the carotenoid and anacardic acids-enriched extract obtained from cashew apple pomace is a promising raw material for the development of herbal medicine and/or functional food supplements for the adjuvant treatment of NSAIDs-induced gastric ulcers.
Collapse
Affiliation(s)
- Gisele Goulart da Silva
- Chemical, Biological and Agricultural Pluridisciplinary Research Center, University of Campinas, CPQBA/UNICAMP, 13148-218, Paulínia, SP, Brazil; Postgraduate Program in Dentistry, Piracicaba Dental School, University of Campinas, FOP/UNICAMP, 13414-903, Piracicaba, SP, Brazil.
| | - Lucia Elaine de Oliveira Braga
- Chemical, Biological and Agricultural Pluridisciplinary Research Center, University of Campinas, CPQBA/UNICAMP, 13148-218, Paulínia, SP, Brazil; Postgraduate Program in Dentistry, Piracicaba Dental School, University of Campinas, FOP/UNICAMP, 13414-903, Piracicaba, SP, Brazil.
| | - Ellen Cristina Souza de Oliveira
- Chemical, Biological and Agricultural Pluridisciplinary Research Center, University of Campinas, CPQBA/UNICAMP, 13148-218, Paulínia, SP, Brazil.
| | - Sirlene Valério Tinti
- Chemical, Biological and Agricultural Pluridisciplinary Research Center, University of Campinas, CPQBA/UNICAMP, 13148-218, Paulínia, SP, Brazil.
| | - João Ernesto de Carvalho
- Faculty of Pharmaceutical Sciences, University of Campinas, FCF/UNICAMP, 13083-871, Campinas, SP, Brazil.
| | - Josy Goldoni Lazarini
- Postgraduate Program in Dentistry, Piracicaba Dental School, University of Campinas, FOP/UNICAMP, 13414-903, Piracicaba, SP, Brazil.
| | - Pedro Luiz Rosalen
- Postgraduate Program in Dentistry, Piracicaba Dental School, University of Campinas, FOP/UNICAMP, 13414-903, Piracicaba, SP, Brazil; Biological Sciences Graduate Program, Federal University of Alfenas - UNIFAL-MG, 37130-001, Alfenas, MG, Brazil.
| | | | - Ana Lucia Tasca Gois Ruiz
- Faculty of Pharmaceutical Sciences, University of Campinas, FCF/UNICAMP, 13083-871, Campinas, SP, Brazil.
| |
Collapse
|
39
|
Kargapolova Y, Geißen S, Zheng R, Baldus S, Winkels H, Adam M. The Enzymatic and Non-Enzymatic Function of Myeloperoxidase (MPO) in Inflammatory Communication. Antioxidants (Basel) 2021; 10:antiox10040562. [PMID: 33916434 PMCID: PMC8066882 DOI: 10.3390/antiox10040562] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/23/2021] [Accepted: 03/30/2021] [Indexed: 12/14/2022] Open
Abstract
Myeloperoxidase is a signature enzyme of polymorphonuclear neutrophils in mice and humans. Being a component of circulating white blood cells, myeloperoxidase plays multiple roles in various organs and tissues and facilitates their crosstalk. Here, we describe the current knowledge on the tissue- and lineage-specific expression of myeloperoxidase, its well-studied enzymatic activity and incoherently understood non-enzymatic role in various cell types and tissues. Further, we elaborate on Myeloperoxidase (MPO) in the complex context of cardiovascular disease, innate and autoimmune response, development and progression of cancer and neurodegenerative diseases.
Collapse
|
40
|
Linssen RS, Chai G, Ma J, Kummarapurugu AB, van Woensel JBM, Bem RA, Kaler L, Duncan GA, Zhou L, Rubin BK, Xu Q. Neutrophil Extracellular Traps Increase Airway Mucus Viscoelasticity and Slow Mucus Particle Transit. Am J Respir Cell Mol Biol 2021; 64:69-78. [PMID: 33095650 DOI: 10.1165/rcmb.2020-0168oc] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Mucus obstruction is a key feature of many inflammatory airway diseases. Neutrophil extracellular traps (NETs) are released upon neutrophil stimulation and consist of extracellular chromatin networks studded with cytotoxic proteins. When released in the airways, these NETs can become part of the airway mucus. We hypothesized that the extracellular DNA and/or oxidative stress (e.g., by the release of reactive oxygen species and myeloperoxidase during NETs formation in the airways) would increase mucus viscoelasticity. We collected human airway mucus from endotracheal tubes of healthy patients admitted for elective surgery and coincubated these samples with NETs from phorbol 12-myristate 13-acetate-stimulated neutrophils. Unstimulated neutrophils served as controls, and blocking experiments were performed with dornase alfa for extracellular DNA and the free radical scavenger dimethylthiourea for oxidation. Compared with controls, the coincubation of mucus with NETs resulted in 1) significantly increased mucus viscoelasticity (macrorheology) and 2) significantly decreased mesh pore size of the mucus and decreased movement of muco-inert nanoparticles through the mucus (microrheology), but 3) NETs did not cause visible changes in the microstructure of the mucus by scanning EM. Incubation with either dornase alfa or dimethylthiourea attenuated the observed changes in macrorheology and microrheology. This suggests that the release of NETs may contribute to airway mucus obstruction by increasing mucus viscoelasticity and that this effect is not solely due to the release of DNA but may in part be due to oxidative stress.
Collapse
Affiliation(s)
- Rosalie S Linssen
- Pediatric Intensive Care Unit, Emma Children's Hospital, and.,Amsterdam Reproduction & Development Research Department, University Medical Center Amsterdam, Academic Medical Center (AMC), Amsterdam, the Netherlands.,Department of Pediatrics, Children's Hospital of Richmond
| | | | - Jonathan Ma
- Department of Pediatrics, Children's Hospital of Richmond
| | | | - Job B M van Woensel
- Pediatric Intensive Care Unit, Emma Children's Hospital, and.,Amsterdam Reproduction & Development Research Department, University Medical Center Amsterdam, Academic Medical Center (AMC), Amsterdam, the Netherlands
| | - Reinout A Bem
- Pediatric Intensive Care Unit, Emma Children's Hospital, and.,Amsterdam Reproduction & Development Research Department, University Medical Center Amsterdam, Academic Medical Center (AMC), Amsterdam, the Netherlands
| | | | - Gregg A Duncan
- Biophysics Program and.,Fischell Department of Bioengineering, University of Maryland, College Park, Maryland
| | | | - Bruce K Rubin
- Department of Pediatrics, Children's Hospital of Richmond.,Department of Physiology, and
| | - Qingguo Xu
- Department of Pharmaceutics.,Department of Physiology, and.,Department of Ophthalmology, Center for Pharmaceutical Engineering, and Massey Cancer Center, Virginia Commonwealth University, Richmond, Virginia; and
| |
Collapse
|
41
|
Ulfig A, Leichert LI. The effects of neutrophil-generated hypochlorous acid and other hypohalous acids on host and pathogens. Cell Mol Life Sci 2021; 78:385-414. [PMID: 32661559 PMCID: PMC7873122 DOI: 10.1007/s00018-020-03591-y] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 06/21/2020] [Accepted: 07/01/2020] [Indexed: 12/15/2022]
Abstract
Neutrophils are predominant immune cells that protect the human body against infections by deploying sophisticated antimicrobial strategies including phagocytosis of bacteria and neutrophil extracellular trap (NET) formation. Here, we provide an overview of the mechanisms by which neutrophils kill exogenous pathogens before we focus on one particular weapon in their arsenal: the generation of the oxidizing hypohalous acids HOCl, HOBr and HOSCN during the so-called oxidative burst by the enzyme myeloperoxidase. We look at the effects of these hypohalous acids on biological systems in general and proteins in particular and turn our attention to bacterial strategies to survive HOCl stress. HOCl is a strong inducer of protein aggregation, which bacteria can counteract by chaperone-like holdases that bind unfolding proteins without the need for energy in the form of ATP. These chaperones are activated by HOCl through thiol oxidation (Hsp33) or N-chlorination of basic amino acid side-chains (RidA and CnoX) and contribute to bacterial survival during HOCl stress. However, neutrophil-generated hypohalous acids also affect the host system. Recent studies have shown that plasma proteins act not only as sinks for HOCl, but get actively transformed into modulators of the cellular immune response through N-chlorination. N-chlorinated serum albumin can prevent aggregation of proteins, stimulate immune cells, and act as a pro-survival factor for immune cells in the presence of cytotoxic antigens. Finally, we take a look at the emerging role of HOCl as a potential signaling molecule, particularly its role in neutrophil extracellular trap formation.
Collapse
Affiliation(s)
- Agnes Ulfig
- Ruhr University Bochum, Institute for Biochemistry and Pathobiochemistry-Microbial Biochemistry, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Lars I Leichert
- Ruhr University Bochum, Institute for Biochemistry and Pathobiochemistry-Microbial Biochemistry, Universitätsstrasse 150, 44780, Bochum, Germany.
| |
Collapse
|
42
|
Mosca F, Trachtman AR, Hattab J, Marruchella G, Tiscar PG. Effect of hydrogen peroxide on the oxidative burst of neutrophils in pigs and ruminants. Vet World 2020; 13:1934-1939. [PMID: 33132608 PMCID: PMC7566262 DOI: 10.14202/vetworld.2020.1934-1939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 08/04/2020] [Indexed: 11/16/2022] Open
Abstract
Background and Aim Neutrophils represent between 20% and 75% of white blood cells in animals and play a key role in an effective immune response. The generation of reactive oxygen species (ROS) is commonly referred to as an oxidative burst and is crucial under healthy and disease conditions. Interestingly, ROS are emerging as regulators of several neutrophil functions, including their oxidative burst. The present study aimed to investigate the effect of hydrogen peroxide on the oxidative burst of neutrophils, collected from domestic animal species (namely, pig, cattle, and sheep), and exposed to different stimuli. Materials and Methods A total of 65 slaughtered animals were included in the present study: Twenty-two pigs, 21 cattle, and 22 sheep. Blood samples were collected at bleeding and neutrophils were then purified using ad hoc developed and species-specific protocols. Neutrophils were treated with hydrogen peroxide at micromolar-to-millimolar concentrations, alone, or combined with other stimuli (i.e., opsonized yeasts, and phorbol 12-myristate 13-acetate). The generation of ROS was evaluated using a luminol-derived chemiluminescence (CL) assay. For each animal species, data were aggregated and reported as mean area under curve±standard deviation. Finally, data were statistically analyzed by one-way ANOVA, followed by Tukey's post hoc test. Results Exposure of bovine and ovine neutrophils to hydrogen peroxide alone resulted in a dose-dependent enhancement of the CL response, which was significantly stronger at its highest concentration and proved particularly prominent in sheep. Opsonized yeasts and phorbol 12-myristate 13-acetate both proved capable of stimulating the generation of ROS in all animal species under study. Hydrogen peroxide negatively modulated the oxidative burst of neutrophils after exposure to those stimuli, observed response patterns varying between pigs and ruminants. Porcine neutrophils, pre-exposed to micromolar concentrations of hydrogen peroxide, showed a decreased CL response only to opsonized yeasts. Conversely, pre-exposure to hydrogen peroxide reduced the CL response of ruminant neutrophils both to yeasts and phorbol 12-myristate 13-acetate, the effect being most prominent at 1 mM concentration. Conclusion These results indicate that hydrogen peroxide is capable of modulating the oxidative bursts of neutrophils in a species-specific and dose-dependent manner, substantial differences existing between pigs and ruminants. Further investigation is required to fully comprehend such modulation, which is crucial for the proper management of the generation of ROS under healthy and disease conditions.
Collapse
Affiliation(s)
- Francesco Mosca
- Department of Veterinary Medicine, University of Teramo, Loc. Piano d'Accio, 64100, Teramo, Italy
| | - Abigail R Trachtman
- Department of Veterinary Medicine, University of Teramo, Loc. Piano d'Accio, 64100, Teramo, Italy
| | - Jasmine Hattab
- Department of Veterinary Medicine, University of Teramo, Loc. Piano d'Accio, 64100, Teramo, Italy
| | - Giuseppe Marruchella
- Department of Veterinary Medicine, University of Teramo, Loc. Piano d'Accio, 64100, Teramo, Italy
| | - Pietro G Tiscar
- Department of Veterinary Medicine, University of Teramo, Loc. Piano d'Accio, 64100, Teramo, Italy
| |
Collapse
|
43
|
Fingerhut L, Dolz G, de Buhr N. What Is the Evolutionary Fingerprint in Neutrophil Granulocytes? Int J Mol Sci 2020; 21:E4523. [PMID: 32630520 PMCID: PMC7350212 DOI: 10.3390/ijms21124523] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/19/2020] [Accepted: 06/23/2020] [Indexed: 01/18/2023] Open
Abstract
Over the years of evolution, thousands of different animal species have evolved. All these species require an immune system to defend themselves against invading pathogens. Nevertheless, the immune systems of different species are obviously counteracting against the same pathogen with different efficiency. Therefore, the question arises if the process that was leading to the clades of vertebrates in the animal kingdom-namely mammals, birds, amphibians, reptiles, and fish-was also leading to different functions of immune cells. One cell type of the innate immune system that is transmigrating as first line of defense in infected tissue and counteracts against pathogens is the neutrophil granulocyte. During the host-pathogen interaction they can undergo phagocytosis, apoptosis, degranulation, and form neutrophil extracellular traps (NETs). In this review, we summarize a wide spectrum of information about neutrophils in humans and animals, with a focus on vertebrates. Special attention is kept on the development, morphology, composition, and functions of these cells, but also on dysfunctions and options for cell culture or storage.
Collapse
Affiliation(s)
- Leonie Fingerhut
- Department of Physiological Chemistry, Department of Infectious Diseases, University of Veterinary Medicine Hannover, 30559 Hannover, Germany;
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
- Clinic for Horses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Gaby Dolz
- Escuela de Medicina Veterinaria, Universidad Nacional, Heredia 40104, Costa Rica;
| | - Nicole de Buhr
- Department of Physiological Chemistry, Department of Infectious Diseases, University of Veterinary Medicine Hannover, 30559 Hannover, Germany;
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| |
Collapse
|
44
|
Metabolic requirements of Besnoitia besnoiti tachyzoite-triggered NETosis. Parasitol Res 2019; 119:545-557. [PMID: 31782011 DOI: 10.1007/s00436-019-06543-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 11/06/2019] [Indexed: 01/19/2023]
Abstract
Besnoitia besnoiti is the causative agent of bovine besnoitiosis, a disease affecting both, animal welfare and cattle productivity. NETosis represents an important and early host innate effector mechanism of polymorphonuclear neutrophils (PMN) that also acts against B. besnoiti tachyzoites. So far, no data are available on metabolic requirements of B. besnoiti tachyzoite-triggered NETosis. Therefore, here we analyzed metabolic signatures of tachyzoite-exposed PMN and determined the relevance of distinct PMN-derived metabolic pathways via pharmacological inhibition experiments. Overall, tachyzoite exposure induced a significant increase in glucose and serine consumption as well as glutamate production in PMN. Moreover, tachyzoite-induced cell-free NETs were significantly diminished via PMN pre-treatments with oxamate and dichloroacetate which both induce an inhibition of lactate release as well as oxythiamine, which inhibits pyruvate dehydrogenase, α-ketoglutarate dehydrogenase, and transketolase, thereby indicating a key role of pyruvate- and lactate-mediated metabolic pathways for proper tachyzoite-mediated NETosis. Furthermore, NETosis was increased by enhanced pH conditions; however, inhibitors of MCT-lactate transporters (AR-C141900, AR-C151858) failed to influence NET formation. Moreover, a significant reduction of tachyzoite-induced NET formation was also achieved by treatments with oligomycin A (inhibitor of ATP synthase) and NF449 (purinergic receptor P2X1 antagonist) thereby suggesting a pivotal role of ATP availability for tachyzoite-mediated NETosis. In summary, the current data provide first evidence on carbohydrate-related metabolic pathways and energy supply to be involved in B. besnoiti tachyzoite-induced NETosis.
Collapse
|
45
|
Takishita Y, Yasuda H, Shimizu M, Matsuo A, Morita A, Tsutsumi T, Tsuchiya M, Sato EF. Formation of neutrophil extracellular traps in mitochondrial DNA-deficient cells. J Clin Biochem Nutr 2019; 66:15-23. [PMID: 32001952 PMCID: PMC6983440 DOI: 10.3164/jcbn.19-77] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 09/05/2019] [Indexed: 12/22/2022] Open
Abstract
Neutrophil extracellular trap (NET) formation plays an important role in inflammatory diseases. Although it is known that NET formation occurs via NADPH oxidase (NOX)-dependent and NOX-independent pathways, the detailed mechanism remains unknown. Therefore, in this study, we aimed to elucidate the role of mitochondria in NOX-dependent and NOX-independent NET formation. We generated mitochondrial DNA-deficient cells (ρ0 cells) by treating HL-60 cells with dideoxycytidine and differentiated them to neutrophil-like cells. These neutrophil-like ρ0 cells showed markedly reduced NOX-independent NET formation but not NOX-dependent NET formation. However, NET-associated intracellular histone citrullination was not inhibited in ρ0 cells. Furthermore, cells membrane disruption in NOX-dependent NET formation occurred in a Myeloperoxidase (MPO) and mixed lineage kinase domain like pseudokinase (MLKL)-dependent manner; however, cell membrane disruption in NOX-independent NET formation partially occurred in an MLKL-dependent manner. These results highlight the importance of mitochondria in NOX-independent NET formation.
Collapse
Affiliation(s)
- Yutaka Takishita
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3 Minamitamagaki, Suzuka-city, Mie 513-8670, Japan
| | - Hiroyuki Yasuda
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3 Minamitamagaki, Suzuka-city, Mie 513-8670, Japan
| | - Mio Shimizu
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3 Minamitamagaki, Suzuka-city, Mie 513-8670, Japan
| | - Akane Matsuo
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3 Minamitamagaki, Suzuka-city, Mie 513-8670, Japan
| | - Akihiro Morita
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3 Minamitamagaki, Suzuka-city, Mie 513-8670, Japan
| | - Tomonari Tsutsumi
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3 Minamitamagaki, Suzuka-city, Mie 513-8670, Japan
| | - Masahiko Tsuchiya
- Department of Anesthesiology, Osaka City University Medical School, 1-5-7 Asahi-machi, Abeno, Osaka 545-8586, Japan
| | - Eisuke F Sato
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3 Minamitamagaki, Suzuka-city, Mie 513-8670, Japan
| |
Collapse
|
46
|
Xie K, Varatnitskaya M, Maghnouj A, Bader V, Winklhofer KF, Hahn S, Leichert LI. Activation leads to a significant shift in the intracellular redox homeostasis of neutrophil-like cells. Redox Biol 2019; 28:101344. [PMID: 31639650 PMCID: PMC6807386 DOI: 10.1016/j.redox.2019.101344] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/19/2019] [Accepted: 10/11/2019] [Indexed: 11/28/2022] Open
Abstract
Neutrophils produce a cocktail of oxidative species during the so-called oxidative burst to attack phagocytized bacteria. However, little is known about the neutrophils' redox homeostasis during the oxidative burst and there is currently no consensus about the interplay between oxidative species and cellular signaling, e.g. during the initiation of the production of neutrophil extracellular traps (NETs). Using the genetically encoded redox sensor roGFP2, expressed in the cytoplasm of the neutrophil-like cell line PLB-985, we saw that stimulation by both PMA and E. coli resulted in oxidation of the thiol residues in this probe. In contrast to the redox state of phagocytized bacteria, which completely breaks down, the neutrophils' cytoplasmic redox state switched from its intital -318 ± 6 mV to a new, albeit higher oxidized, steady state of -264 ± 5 mV in the presence of bacteria. This highly significant oxidation of the cytosol (p value = 7 × 10-5) is dependent on NOX2 activity, but independent of the most effective thiol oxidant produced in neutrophils, MPO-derived HOCl. While the shift in the intracellular redox potential is correlated with effective NETosis, it is, by itself not sufficient: Inhibition of MPO, while not affecting the cytosolic oxidation, significantly decreased NETosis. Furthermore, inhibition of PI3K, which abrogates cytosolic oxidation, did not fully prevent NETosis induced by phagocytosis of bacteria. Thus, we conclude that NET-formation is regulated in a multifactorial way, in part by changes of the cytosolic thiol redox homeostasis in neutrophils, depending on the circumstance under which the generation of NETs was initiated.
Collapse
Affiliation(s)
- Kaibo Xie
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry, Microbial Biochemistry, Bochum, Germany
| | - Marharyta Varatnitskaya
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry, Microbial Biochemistry, Bochum, Germany
| | - Abdelouahid Maghnouj
- Ruhr University Bochum, Department of Molecular Gastrointestinal Oncology, Bochum, Germany
| | - Verian Bader
- Ruhr University Bochum, Institute for Biochemistry and Pathobiochemistry, Molecular Cell Biology, Bochum, Germany
| | - Konstanze F Winklhofer
- Ruhr University Bochum, Institute for Biochemistry and Pathobiochemistry, Molecular Cell Biology, Bochum, Germany
| | - Stephan Hahn
- Ruhr University Bochum, Department of Molecular Gastrointestinal Oncology, Bochum, Germany
| | - Lars I Leichert
- Ruhr University Bochum, Institute of Biochemistry and Pathobiochemistry, Microbial Biochemistry, Bochum, Germany.
| |
Collapse
|
47
|
Burtenshaw D, Kitching M, Redmond EM, Megson IL, Cahill PA. Reactive Oxygen Species (ROS), Intimal Thickening, and Subclinical Atherosclerotic Disease. Front Cardiovasc Med 2019; 6:89. [PMID: 31428618 PMCID: PMC6688526 DOI: 10.3389/fcvm.2019.00089] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/14/2019] [Indexed: 12/14/2022] Open
Abstract
Arteriosclerosis causes significant morbidity and mortality worldwide. Central to this process is the development of subclinical non-atherosclerotic intimal lesions before the appearance of pathologic intimal thickening and advanced atherosclerotic plaques. Intimal thickening is associated with several risk factors, including oxidative stress due to reactive oxygen species (ROS), inflammatory cytokines and lipid. The main ROS producing systems in-vivo are reduced nicotinamide dinucleotide phosphate (NADPH) oxidase (NOX). ROS effects are context specific. Exogenous ROS induces apoptosis and senescence, whereas intracellular ROS promotes stem cell differentiation, proliferation, and migration. Lineage tracing studies using murine models of subclinical atherosclerosis have revealed the contributory role of medial smooth muscle cells (SMCs), resident vascular stem cells, circulating bone-marrow progenitors and endothelial cells that undergo endothelial-mesenchymal-transition (EndMT). This review will address the putative physiological and patho-physiological roles of ROS in controlling vascular cell fate and ROS contribution to vascular regeneration and disease progression.
Collapse
Affiliation(s)
- Denise Burtenshaw
- Vascular Biology & Therapeutics, School of Biotechnology, Dublin City University, Dublin, Ireland
| | | | - Eileen M Redmond
- Department of Surgery, University of Rochester, Rochester, NY, United States
| | - Ian L Megson
- Centre for Health Science, UHI Institute of Health Research and Innovation, Inverness, United Kingdom
| | - Paul A Cahill
- Vascular Biology & Therapeutics, School of Biotechnology, Dublin City University, Dublin, Ireland
| |
Collapse
|
48
|
Driouich A, Smith C, Ropitaux M, Chambard M, Boulogne I, Bernard S, Follet-Gueye ML, Vicré M, Moore J. Root extracellular traps versus neutrophil extracellular traps in host defence, a case of functional convergence? Biol Rev Camb Philos Soc 2019; 94:1685-1700. [PMID: 31134732 DOI: 10.1111/brv.12522] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 04/24/2019] [Accepted: 04/30/2019] [Indexed: 12/20/2022]
Abstract
The root cap releases cells that produce massive amounts of mucilage containing polysaccharides, proteoglycans, extracellular DNA (exDNA) and a variety of antimicrobial compounds. The released cells - known as border cells or border-like cells - and mucilage secretions form networks that are defined as root extracellular traps (RETs). RETs are important players in root immunity. In animals, phagocytes are some of the most abundant white blood cells in circulation and are very important for immunity. These cells combat pathogens through multiple defence mechanisms, including the release of exDNA-containing extracellular traps (ETs). Traps of neutrophil origin are abbreviated herein as NETs. Similar to phagocytes, plant root cap-originating cells actively contribute to frontline defence against pathogens. RETs and NETs are thus components of the plant and animal immune systems, respectively, that exhibit similar compositional and functional properties. Herein, we describe and discuss the formation, molecular composition and functional similarities of these similar but different extracellular traps.
Collapse
Affiliation(s)
- Azeddine Driouich
- Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, EA4358, Normandie Université, Université de Rouen, 1 Rue Thomas Becket, 76000, Rouen, France.,Structure Fédérative de Recherche « Normandie-Végétal » - FED4277, 76000, Rouen, France
| | - Carine Smith
- Department of Physiological Sciences, Science Faculty, Stellenbosch University, Matieland, 7602, South Africa
| | - Marc Ropitaux
- Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, EA4358, Normandie Université, Université de Rouen, 1 Rue Thomas Becket, 76000, Rouen, France.,Structure Fédérative de Recherche « Normandie-Végétal » - FED4277, 76000, Rouen, France
| | - Marie Chambard
- Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, EA4358, Normandie Université, Université de Rouen, 1 Rue Thomas Becket, 76000, Rouen, France.,Structure Fédérative de Recherche « Normandie-Végétal » - FED4277, 76000, Rouen, France
| | - Isabelle Boulogne
- Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, EA4358, Normandie Université, Université de Rouen, 1 Rue Thomas Becket, 76000, Rouen, France.,Structure Fédérative de Recherche « Normandie-Végétal » - FED4277, 76000, Rouen, France
| | - Sophie Bernard
- Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, EA4358, Normandie Université, Université de Rouen, 1 Rue Thomas Becket, 76000, Rouen, France.,Structure Fédérative de Recherche « Normandie-Végétal » - FED4277, 76000, Rouen, France
| | - Marie-Laure Follet-Gueye
- Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, EA4358, Normandie Université, Université de Rouen, 1 Rue Thomas Becket, 76000, Rouen, France.,Structure Fédérative de Recherche « Normandie-Végétal » - FED4277, 76000, Rouen, France
| | - Maïté Vicré
- Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, EA4358, Normandie Université, Université de Rouen, 1 Rue Thomas Becket, 76000, Rouen, France.,Structure Fédérative de Recherche « Normandie-Végétal » - FED4277, 76000, Rouen, France
| | - John Moore
- Institute for Wine Biotechnology, Department of Viticulture and Oenology, Faculty of AgriSciences, Stellenbosch University, Matieland, 7602, South Africa
| |
Collapse
|
49
|
Zhou E, Conejeros I, Velásquez ZD, Muñoz-Caro T, Gärtner U, Hermosilla C, Taubert A. Simultaneous and Positively Correlated NET Formation and Autophagy in Besnoitia besnoiti Tachyzoite-Exposed Bovine Polymorphonuclear Neutrophils. Front Immunol 2019; 10:1131. [PMID: 31191523 PMCID: PMC6540735 DOI: 10.3389/fimmu.2019.01131] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 05/03/2019] [Indexed: 12/29/2022] Open
Abstract
Given that B. besnoiti tachyzoites infect host endothelial cells of vessels in vivo, they become potential targets for professional phagocytes [e.g., polymorphonuclear neutrophils (PMN)] when in search for adequate host cells or in case of host cell lysis. It was recently reported that B. besnoiti-tachyzoites can efficiently be trapped by neutrophil extracellular traps (NETs) released by bovine PMN. So far, the potential role of autophagy in parasite-triggered NET formation is unclear. Thus, we here analyzed autophagosome formation and activation of AMP-activated protein kinase α (AMPKα) in potentially NET-forming innate leukocytes being exposed to B. besnoiti tachyzoites. Blood was collected from healthy adult dairy cows, and bovine PMN were isolated via density gradient centrifugation. Scanning electron microscopy confirmed PMN to undergo NET formation upon contact with B. besnoiti tachyzoites. Nuclear area expansion (NAE) analysis and cell-free and anchored NETs quantification were performed in B. besnoiti-induced NET formation. Interestingly, tachyzoites of B. besnoiti additionally induced LC3B-related autophagosome formation in parallel to NET formation in bovine PMN. Notably, both rapamycin- and wortmannin-treatments failed to influence B. besnoiti-triggered NET formation and autophagosome formation. Also, isolated NETs fail to induce autophagy suggesting independence between both cellular processes. Finally, enhanced phosphorylation of AMP activated kinase α (AMPKα), a key regulator molecule of autophagy, was observed within the first minutes of interaction in tachyzoite-exposed PMN thereby emphasizing that B. besnoiti-triggered NET formation indeed occurs in parallel to autophagy.
Collapse
Affiliation(s)
- Ershun Zhou
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Giessen, Germany
| | - Iván Conejeros
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Giessen, Germany
| | - Zahady D Velásquez
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Giessen, Germany
| | - Tamara Muñoz-Caro
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Giessen, Germany
| | - Ulrich Gärtner
- Institute of Anatomy and Cell Biology, Justus Liebig University Giessen, Giessen, Germany
| | - Carlos Hermosilla
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Giessen, Germany
| | - Anja Taubert
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Giessen, Germany
| |
Collapse
|
50
|
Tajima K, Yamanaka D, Ishibashi KI, Adachi Y, Ohno N. Solubilized melanin suppresses macrophage function. FEBS Open Bio 2019; 9:791-800. [PMID: 30984552 PMCID: PMC6443868 DOI: 10.1002/2211-5463.12615] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/20/2019] [Accepted: 02/22/2019] [Indexed: 11/18/2022] Open
Abstract
Melanin‐producing Cryptococcus and Aspergillus are highly invasive and can suppress or escape the immune system of the host. Since non‐melanin‐producing strains do not affect the immune system, melanin may play a role in immune system suppression. Artificial melanin synthesized using conventional methods is insoluble, making structural and functional analysis of this chemical difficult. In this study, we describe a melanin solubilization method based on polymerization of homogentisic acid (solubilizing component) and an equivalent amount of L‐DOPA in the presence of laccase. In addition, we investigated the effect of melanin on the immune system. Homogentisic acid and L‐DOPA mixed melanin (HALD), the synthetic solubilized melanin, did not exert a cytotoxic effect on mouse macrophages. HALD suppressed cytokine and reactive oxygen species production by macrophages when they were stimulated by fungal components. HALD also suppressed the phagocytosis of fungal components by macrophages. These results suggest that HALD can suppress the function of macrophages without causing cytotoxicity.
Collapse
Affiliation(s)
- Katsuya Tajima
- Tokyo University of Pharmacy and Life Sciences Hachioji Japan
| | | | | | | | - Naohito Ohno
- Tokyo University of Pharmacy and Life Sciences Hachioji Japan
| |
Collapse
|