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Delinois LJ, Sharma A, Ramesh AK, Boatright LD, Li Q, Xu R, Luo HR, Mishra BB, Sharma J. Poly(ADP-Ribose) Polymerase-1 Regulates Pyroptosis Independent Function of NLRP3 Inflammasome in Neutrophil Extracellular Trap Formation. Immunohorizons 2024; 8:586-597. [PMID: 39186692 PMCID: PMC11374751 DOI: 10.4049/immunohorizons.2400058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2024] [Accepted: 07/24/2024] [Indexed: 08/28/2024] Open
Abstract
Neutrophil extracellular traps (NETs) function to control infectious agents as well as to propagate inflammatory response in a variety of disease conditions. DNA damage associated with chromatin decondensation and NACHT domain-leucine-rich repeat-and pyrin domain-containing protein 3 (NLRP3) inflammasome activation have emerged as crucial events in NET formation, but the link between the two processes is unknown. In this study, we demonstrate that poly(ADP-ribose) polymerase-1 (PARP-1), a key DNA repair enzyme, regulates NET formation triggered by NLRP3 inflammasome activation in neutrophils. Activation of mouse neutrophils with canonical NLRP3 stimulants LPS and nigericin induced NET formation, which was significantly abrogated by pharmacological inhibition of PARP-1. We found that PARP-1 is required for NLRP3 inflammasome assembly by regulating post-transcriptional levels of NLRP3 and ASC dimerization. Importantly, this PARP-1-regulated NLRP3 activation for NET formation was independent of inflammasome-mediated pyroptosis, because caspase-1 and gasdermin D processing as well as IL-1β transcription and secretion remained intact upon PARP-1 inhibition in neutrophils. Accordingly, pharmacological inhibition or genetic ablation of caspase-1 and gasdermin D had no effect on NLRP3-mediated NET formation. Mechanistically, PARP-1 inhibition increased p38 MAPK activity, which was required for downmodulation of NLRP3 and NETs, because concomitant inhibition of p38 MAPK with PARP-1 restored NLRP3 activation and NET formation. Finally, mice undergoing bacterial peritonitis exhibited increased survival upon treatment with PARP-1 inhibitor, which correlated with increased leukocyte influx and improved intracellular bacterial clearance. Our findings reveal a noncanonical pyroptosis-independent role of NLRP3 in NET formation regulated by PARP-1 via p38 MAPK, which can be targeted to control NETosis in inflammatory diseases.
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Affiliation(s)
- Louis J Delinois
- Division of Anesthesiology, Critical Care & Pain Medicine, Department of Critical Care, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Atul Sharma
- Division of Anesthesiology, Critical Care & Pain Medicine, Department of Critical Care, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Ashwin K Ramesh
- Division of Anesthesiology, Critical Care & Pain Medicine, Department of Critical Care, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Laurel D Boatright
- Division of Anesthesiology, Critical Care & Pain Medicine, Department of Critical Care, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Qun Li
- Developmental Dentistry, UT Health Science Center at San Antonio, San Antonio, TX
| | - Rong Xu
- Pathology and Lab Medicine, Boston Children's Hospital, Boston, MA
| | - Hongbo R Luo
- Pathology and Lab Medicine, Boston Children's Hospital, Boston, MA
| | - Bibhuti B Mishra
- Developmental Dentistry, UT Health Science Center at San Antonio, San Antonio, TX
| | - Jyotika Sharma
- Division of Anesthesiology, Critical Care & Pain Medicine, Department of Critical Care, University of Texas MD Anderson Cancer Center, Houston, TX
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Sharma A, Chauhan A, Chauhan P, Evans DL, Szlabick RE, Aaland MO, Mishra BB, Sharma J. Glycolipid Metabolite β-Glucosylceramide Is a Neutrophil Extracellular Trap-Inducing Ligand of Mincle Released during Bacterial Infection and Inflammation. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:391-400. [PMID: 35768151 PMCID: PMC9347214 DOI: 10.4049/jimmunol.2100855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 05/11/2022] [Indexed: 06/15/2023]
Abstract
Neutrophil extracellular traps (NETs) are implicated in host defense and inflammatory pathologies alike. A wide range of pathogen- and host-derived factors are known to induce NETs, yet the knowledge about specific receptor-ligand interactions in this response is limited. We previously reported that macrophage-inducible C-type lectin (Mincle) regulates NET formation. In this article, we identify glycosphingolipid β-glucosylceramide (β-GlcCer) as a specific NET-inducing ligand of Mincle. We found that purified β-GlcCer induced NETs in mouse primary neutrophils in vitro and in vivo, and this effect was abrogated in Mincle deficiency. Cell-free β-GlcCer accumulated in the lungs of pneumonic mice, which correlated with pulmonary NET formation in wild-type, but not in Mincle-/-, mice infected intranasally with Klebsiella pneumoniae Although leukocyte infiltration by β-GlcCer administration in vivo did not require Mincle, NETs induced by this sphingolipid were important for bacterial clearance during Klebsiella infection. Mechanistically, β-GlcCer did not activate reactive oxygen species formation in neutrophils but required autophagy and glycolysis for NET formation, because ATG4 inhibitor NSC185058, as well as glycolysis inhibitor 2-deoxy-d-glucose, abrogated β-GlcCer-induced NETs. Forced autophagy activation by tamoxifen could overcome the inhibitory effect of glycolysis blockage on β-GlcCer-mediated NET formation, suggesting that autophagy activation is sufficient to induce NETs in response to this metabolite in the absence of glycolysis. Finally, β-GlcCer accumulated in the plasma of patients with systemic inflammatory response syndrome, and its levels correlated with the extent of systemic NET formation in these patients. Overall, our results posit β-GlcCer as a potent NET-inducing ligand of Mincle with diagnostic and therapeutic potential in inflammatory disease settings.
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Affiliation(s)
- Atul Sharma
- Department of Biomedical Sciences, School of Medicine & Health Sciences, The University of North Dakota, Grand Forks, ND; and
| | - Arun Chauhan
- Department of Biomedical Sciences, School of Medicine & Health Sciences, The University of North Dakota, Grand Forks, ND; and
| | - Pooja Chauhan
- Department of Biomedical Sciences, School of Medicine & Health Sciences, The University of North Dakota, Grand Forks, ND; and
| | - Dustin L Evans
- Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, Grand Forks, ND
| | - Randolph E Szlabick
- Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, Grand Forks, ND
| | - Mary O Aaland
- Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, Grand Forks, ND
| | - Bibhuti B Mishra
- Department of Biomedical Sciences, School of Medicine & Health Sciences, The University of North Dakota, Grand Forks, ND; and
| | - Jyotika Sharma
- Department of Biomedical Sciences, School of Medicine & Health Sciences, The University of North Dakota, Grand Forks, ND; and
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Ding J, Hostallero DE, El Khili MR, Fonseca GJ, Milette S, Noorah N, Guay-Belzile M, Spicer J, Daneshtalab N, Sirois M, Tremblay K, Emad A, Rousseau S. A network-informed analysis of SARS-CoV-2 and hemophagocytic lymphohistiocytosis genes' interactions points to Neutrophil extracellular traps as mediators of thrombosis in COVID-19. PLoS Comput Biol 2021; 17:e1008810. [PMID: 33684134 PMCID: PMC7971900 DOI: 10.1371/journal.pcbi.1008810] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 03/18/2021] [Accepted: 02/17/2021] [Indexed: 01/10/2023] Open
Abstract
Abnormal coagulation and an increased risk of thrombosis are features of severe COVID-19, with parallels proposed with hemophagocytic lymphohistiocytosis (HLH), a life-threating condition associated with hyperinflammation. The presence of HLH was described in severely ill patients during the H1N1 influenza epidemic, presenting with pulmonary vascular thrombosis. We tested the hypothesis that genes causing primary HLH regulate pathways linking pulmonary thromboembolism to the presence of SARS-CoV-2 using novel network-informed computational algorithms. This approach led to the identification of Neutrophils Extracellular Traps (NETs) as plausible mediators of vascular thrombosis in severe COVID-19 in children and adults. Taken together, the network-informed analysis led us to propose the following model: the release of NETs in response to inflammatory signals acting in concert with SARS-CoV-2 damage the endothelium and direct platelet-activation promoting abnormal coagulation leading to serious complications of COVID-19. The underlying hypothesis is that genetic and/or environmental conditions that favor the release of NETs may predispose individuals to thrombotic complications of COVID-19 due to an increase risk of abnormal coagulation. This would be a common pathogenic mechanism in conditions including autoimmune/infectious diseases, hematologic and metabolic disorders.
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Affiliation(s)
- Jun Ding
- Computational Biology Department, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
| | - David Earl Hostallero
- Department of Electrical and Computer Engineering, McGill University, Montréal, Canada
| | - Mohamed Reda El Khili
- Department of Electrical and Computer Engineering, McGill University, Montréal, Canada
| | - Gregory Joseph Fonseca
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
| | - Simon Milette
- Goodman Cancer Research Centre, McGill University, Montréal, Canada
| | - Nuzha Noorah
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
| | - Myriam Guay-Belzile
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
| | - Jonathan Spicer
- Division of Thoracic and Upper Gastrointestinal Surgery, McGill University Health Centre Research Institute, Montréal, Canada
| | - Noriko Daneshtalab
- School of Pharmacy, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
| | - Martin Sirois
- Montreal Heart Institute and Department of pharmacology and physiology, Faculty of medicine, Université de Montréal, Montréal, Canada
| | - Karine Tremblay
- Pharmacology-physiology Department, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Centre intégré universitaire de santé et de services sociaux du Saguenay-Lac-Saint-Jean (Chicoutimi University Hospital) Research Center, Saguenay, Canada
| | - Amin Emad
- Department of Electrical and Computer Engineering, McGill University, Montréal, Canada
| | - Simon Rousseau
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
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Chen S, Shi W, Qian Y, Wang L, Zhang J, Li S, Chen Y, Chang C, Fei H, Zhang L, Huang H, Xu C. Preimplantation Genetic Testing for a Chinese Family With X-Linked Lymphoproliferative Syndrome Type 1. Front Genet 2020; 11:550507. [PMID: 33329693 PMCID: PMC7672036 DOI: 10.3389/fgene.2020.550507] [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: 04/09/2020] [Accepted: 09/10/2020] [Indexed: 11/13/2022] Open
Abstract
Background X-linked lymphoproliferative disease (XLP) is a rare primary immunodeficiency disorder. We performed experiments based on two strategies of preimplantation genetic testing (PGT) for a family with XLP caused by a mutation in SH2D1A (c.191G > A). Methods First, a single-cell polymerase chain reaction (PCR) protocol was established using single lymphocytes. A nested PCR experiment was performed with direct sequencing after whole genome amplification of single cells to assess the accuracy of the genetic diagnosis. Embryos obtained after intracytoplasmic sperm injection were biopsied on day 3 and detected using the established single-cell PCR protocol. In the second PGT cycle, targeted next generation sequencing (NGS) was performed and the single nucleotide polymorphism (SNP) markers flanking SH2D1A were selected to determine the disease-carrying haplotype phase in each embryo. Result In the first PGT cycle, six embryos were biopsied. Discounting an embryo from a single failed PCR experiment, five embryos were identified, including three unaffected and two hemizygous. After PCR, one normal embryo was transferred when it was developing into an early blastocyst. Although the ultrasound images indicated a viable singleton pregnancy, the implantation was on the cesarean scar. Therefore, an artificial abortion was performed. In the haplotyping cycle, six embryos were identified to have inherited a haplotype without pathogenic mutations. After the embryo implantation process failed twice, a successful singleton pregnancy was established, and subsequently, a healthy female child was born. Conclusion Targeted NGS with haplotyping analysis circumvents the laborious process of multiplex PCR and is more likely to ensure diagnostic accuracy. However, when a genetic recombination occurs close to the site of mutation, confirmed identification using selected SNP markers can be challenging.
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Affiliation(s)
- Songchang Chen
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Weihui Shi
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Yeqing Qian
- Key Laboratory of Reproductive Genetics (Zhejiang University), Ministry of Education, Hangzhou, China
| | - Liya Wang
- Key Laboratory of Reproductive Genetics (Zhejiang University), Ministry of Education, Hangzhou, China
| | - Junyu Zhang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Shuyuan Li
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Yiyao Chen
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Chunxin Chang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Hongjun Fei
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Lanlan Zhang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Hefeng Huang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Chenming Xu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
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