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Zhong H, Liu T, Shang Y, Huang C, Pan S. Breaking the vicious cycle: Targeting the NLRP3 inflammasome for treating sepsis-associated encephalopathy. Biomed Pharmacother 2024; 177:117042. [PMID: 39004064 DOI: 10.1016/j.biopha.2024.117042] [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: 03/25/2024] [Revised: 06/21/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Sepsis-associated encephalopathy (SAE) is a collection of clinical syndromes resulting from sepsis and characterized by widespread brain dysfunction. The high prevalence of SAE has adverse outcomes on the clinical management and prognosis of sepsis patients. However, currently, there are no effective treatments to ameliorate SAE. The pathogenesis of SAE is complex, including neuroinflammation and microglia activation, destruction of the blood-brain barrier (BBB), neurotransmitter dysfunction, cerebral metabolism and mitochondrial impairment, accumulation of amyloid beta and tauopathy, complement activation, among others. Furthermore, these mechanisms intertwine with each other, further complicating the comprehension of SAE. Among them, neuroinflammation mediated by hyperactivated microglia is considered the primary etiology of SAE. This instigates a detrimental cycle wherein BBB permeability escalates, facilitating direct damage to the central nervous system (CNS) by various neurotoxic substances. Activation of the NLRP3 inflammasome, situated within microglia, can be triggered by diverse danger signals, leading to cell pyroptosis, apoptosis, and tauopathy. These complex processes intricately regulate the onset and progression of neuroinflammation. In this review, we focus on elucidating the inhibitory regulatory mechanism of the NLRP3 inflammasome in microglia, which ultimately manifests as suppression of the inflammatory response. Our ultimate objective is to augment comprehension regarding the role of microglial NLRP3 inflammasome as we explore potential targets for therapeutic interventions against SAE.
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Affiliation(s)
- Hui Zhong
- Wuhan Jinyintan Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences, ,; Hubei Clinical Research Center for Infectious Diseases, ,; Wuhan Research Center for Communicable Disease Diagnosis and Treatment, Chinese Academy of Medical Sciences, ,; Joint Laboratory of Infectious Diseases and Health, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences,
| | - Tianshu Liu
- Department of Ultrasound Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology,
| | - You Shang
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology,
| | - Chaolin Huang
- Wuhan Jinyintan Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences, ,; Hubei Clinical Research Center for Infectious Diseases, ,; Wuhan Research Center for Communicable Disease Diagnosis and Treatment, Chinese Academy of Medical Sciences, ,; Joint Laboratory of Infectious Diseases and Health, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences, ,.
| | - Shangwen Pan
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, ,.
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Lessey BA, Dong A, Deaton JL, Angress D, Savaris RF, Walker SJ. Inflammatory Changes after Medical Suppression of Suspected Endometriosis for Implantation Failure: Preliminary Results. Int J Mol Sci 2024; 25:6852. [PMID: 38999962 PMCID: PMC11241468 DOI: 10.3390/ijms25136852] [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: 04/22/2024] [Revised: 06/10/2024] [Accepted: 06/13/2024] [Indexed: 07/14/2024] Open
Abstract
Unexplained euploid embryo transfer failure (UEETF) is a frustrating and unanswered conundrum accounting for 30 to 50% of failures in in vitro fertilization using preimplantation genetic testing for aneuploidy (PGT-A). Endometriosis is thought by many to account for most of such losses and menstrual suppression or surgery prior to the next transfer has been reported to be beneficial. In this study, we performed endometrial biopsy in a subset of women with UEETF, testing for the oncogene BCL6 and the histone deacetylase SIRT1. We compared 205 PGT-A cycles outcomes and provide those results following treatment with GnRH agonist versus controls (no treatment). Based on these and previous promising results, we next performed a pilot randomized controlled trial comparing the orally active GnRH antagonist, elagolix, to oral contraceptive pill (OCP) suppression for 2 months before the next euploid embryo transfer, and monitored inflammation and miRNA expression in blood, before and after treatment. These studies support a role for endometriosis in UEETF and suggest that medical suppression of suspected disease with GnRH antagonist prior to the next transfer could improve success rates and address underlying inflammatory and epigenetic changes associated with UEETF.
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Affiliation(s)
- Bruce A Lessey
- Department of OBGYN, Atrium Health Wake Forest Baptist, Winston-Salem, NC 27157, USA
| | - Allan Dong
- Department of OBGYN, Atrium Health Wake Forest Baptist, Winston-Salem, NC 27157, USA
| | - Jeffrey L Deaton
- Department of OBGYN, Atrium Health Wake Forest Baptist, Winston-Salem, NC 27157, USA
| | | | - Ricardo F Savaris
- Department of OBGYN, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil
| | - Stephen J Walker
- Wake Forest Institute for Regenerative Medicine, Winston-Salem, NC 27101, USA
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Yu Z, Shi H, Zhang J, Ma C, He C, Yang F, Zhao L. ROLE OF MICROGLIA IN SEPSIS-ASSOCIATED ENCEPHALOPATHY PATHOGENESIS: AN UPDATE. Shock 2024; 61:498-508. [PMID: 38150368 DOI: 10.1097/shk.0000000000002296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
ABSTRACT Sepsis-associated encephalopathy (SAE) is a serious complication of sepsis, which is characterized by cognitive dysfunction, a poor prognosis, and high incidences of morbidity and mortality. Substantial levels of systemic inflammatory factors induce neuroinflammatory responses during sepsis, ultimately disrupting the central nervous system's (CNS) homeostasis. This disruption results in brain dysfunction through various underlying mechanisms, contributing further to SAE's development. Microglia, the most important macrophage in the CNS, can induce neuroinflammatory responses, brain tissue injury, and neuronal dysregulation, resulting in brain dysfunction. They serve an important regulatory role in CNS homeostasis and can be activated through multiple pathways. Consequently, activated microglia are involved in several pathogenic mechanisms related to SAE and play a crucial role in its development. This article discusses the role of microglia in neuroinflammation, dysfunction of neurotransmitters, disruption of the blood-brain barrier, abnormal control of cerebral blood flow, mitochondrial dysfunction, and reduction in the number of good bacteria in the gut as main pathogenic mechanisms of SAE and focuses on studies targeting microglia to ameliorate SAE to provide a theoretical basis for targeted microglial therapy for SAE.
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Affiliation(s)
| | - Hui Shi
- Department of Critical Care Medicine, Chifeng Municipal Hospital, Chifeng Clinical Medical College of Inner Mongolia Medical University, Chifeng, China
| | - Jingjing Zhang
- Department of Central Laboratory, Chifeng Municipal Hospital, Chifeng Clinical Medical College of Inner Mongolia Medical University, Chifeng, China
| | - Chunhan Ma
- Chifeng Clinical Medical College of Inner Mongolia Medical University, Hohhot, China
| | - Chen He
- Chifeng Clinical Medical College of Inner Mongolia Medical University, Hohhot, China
| | - Fei Yang
- Department of Critical Care Medicine, Chifeng Municipal Hospital, Chifeng Clinical Medical College of Inner Mongolia Medical University, Chifeng, China
| | - Lina Zhao
- Department of Critical Care Medicine, General Hospital of Tianjin Medical University, Tianjin, China
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Tian M, Zhan Y, Cao J, Gao J, Sun J, Zhang L. Targeting blood-brain barrier for sepsis-associated encephalopathy: Regulation of immune cells and ncRNAs. Brain Res Bull 2024; 209:110922. [PMID: 38458135 DOI: 10.1016/j.brainresbull.2024.110922] [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: 10/21/2023] [Revised: 02/14/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
Sepsis causes significant morbidity and mortality worldwide, most surviving patients show acute or chronic mental disorders, which are known as sepsis-associated encephalopathy (SAE). SAE involves many pathological processes, including the blood-brain barrier (BBB) damage. The BBB is located at the interface between the central nervous system and the surrounding environment, which protects the central nervous system (CNS) from the invasion of exogenous molecules, harmful substances or microorganisms in the blood. Recently, a growing number of studies have indicated that the BBB destruction was involved in SAE and played an important role in SAE-induced brain injury. In the present review, we firstly reveal the pathological processes of SAE such as the neurotransmitter disorders, oxidative stress, immune dysfunction and BBB destruction. Moreover, we introduce the structure of BBB, and describe the immune cells including microglia and astrocytes that participate in the BBB destruction after SAE. Furthermore, in view of the current research on non-coding RNAs (ncRNAs), we explain the regulatory mechanism of ncRNAs including long noncoding RNAs (lncRNAs), microRNAs (miRNAs) and circular RNAs (circRNAs) on BBB in the processes of SAE. Finally, we propose some challenges and perspectives of regulating BBB functions in SAE. Hence, on the basis of these effects, both immune cells and ncRNAs may be developed as therapeutic targets to protect BBB for SAE patients.
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Affiliation(s)
- Mi Tian
- Department of Anesthesiology, Affiliated Zhongda Hospital of Southeast University, Nanjing, Jiangsu Province, China
| | - Yunliang Zhan
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Jinyuan Cao
- Department of Anesthesiology, Affiliated Zhongda Hospital of Southeast University, Nanjing, Jiangsu Province, China
| | - Jinqi Gao
- Department of Anesthesiology, Affiliated Zhongda Hospital of Southeast University, Nanjing, Jiangsu Province, China
| | - Jie Sun
- Department of Anesthesiology, Affiliated Zhongda Hospital of Southeast University, Nanjing, Jiangsu Province, China.
| | - Li Zhang
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, China.
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Ravichandran KA, Heneka MT. Inflammasomes in neurological disorders - mechanisms and therapeutic potential. Nat Rev Neurol 2024; 20:67-83. [PMID: 38195712 DOI: 10.1038/s41582-023-00915-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2023] [Indexed: 01/11/2024]
Abstract
Inflammasomes are molecular scaffolds that are activated by damage-associated and pathogen-associated molecular patterns and form a key element of innate immune responses. Consequently, the involvement of inflammasomes in several diseases that are characterized by inflammatory processes, such as multiple sclerosis, is widely appreciated. However, many other neurological conditions, including Alzheimer disease, Parkinson disease, amyotrophic lateral sclerosis, stroke, epilepsy, traumatic brain injury, sepsis-associated encephalopathy and neurological sequelae of COVID-19, all involve persistent inflammation in the brain, and increasing evidence suggests that inflammasome activation contributes to disease progression in these conditions. Understanding the biology and mechanisms of inflammasome activation is, therefore, crucial for the development of inflammasome-targeted therapies for neurological conditions. In this Review, we present the current evidence for and understanding of inflammasome activation in neurological diseases and discuss current and potential interventional strategies that target inflammasome activation to mitigate its pathological consequences.
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Affiliation(s)
- Kishore Aravind Ravichandran
- Department of Neuroinflammation, Institute of innate immunity, University of Bonn Medical Center Bonn, Bonn, Germany
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Michael T Heneka
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Esch-sur-Alzette, Esch-sur-Alzette, Luxembourg.
- Department of Infectious Diseases and Immunology, University of Massachusetts Medical School, North Worcester, MA, USA.
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Vianello E, Persson J, Andersson B, van Veen S, Dias TL, Santoro F, Östensson M, Obudulu O, Agbajogu C, Torkzadeh S, Nakaya HI, Medaglini D, Siegrist CA, Ottenhoff TH, Harandi AM. Global blood miRNA profiling unravels early signatures of immunogenicity of Ebola vaccine rVSVΔG-ZEBOV-GP. iScience 2023; 26:108574. [PMID: 38162033 PMCID: PMC10755791 DOI: 10.1016/j.isci.2023.108574] [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: 04/11/2023] [Revised: 10/27/2023] [Accepted: 11/21/2023] [Indexed: 01/03/2024] Open
Abstract
The vectored Ebola vaccine rVSVΔG-ZEBOV-GP elicits protection against Ebola Virus Disease (EVD). In a study of forty-eight healthy adult volunteers who received either the rVSVΔG-ZEBOV-GP vaccine or placebo, we profiled intracellular microRNAs (miRNAs) from whole blood cells (WB) and circulating miRNAs from serum-derived extracellular vesicles (EV) at baseline and longitudinally following vaccination. Further, we identified early miRNA signatures associated with ZEBOV-specific IgG antibody responses at baseline and up to one year post-vaccination, and pinpointed target mRNA transcripts and pathways correlated to miRNAs whose expression was altered after vaccination by using systems biology approaches. Several miRNAs were differentially expressed (DE) and miRNA signatures predicted high or low IgG ZEBOV-specific antibody levels with high classification performance. The top miRNA discriminators were WB-miR-6810, EV-miR-7151-3p, and EV-miR-4426. An eight-miRNA antibody predictive signature was associated with immune-related target mRNAs and pathways. These findings provide valuable insights into early blood biomarkers associated with rVSVΔG-ZEBOV-GP vaccine-induced IgG antibody responses.
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Affiliation(s)
- Eleonora Vianello
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, the Netherlands
| | - Josefine Persson
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Björn Andersson
- Bioinformatics Core Facility, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Suzanne van Veen
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, the Netherlands
| | | | | | - Malin Östensson
- Bioinformatics Core Facility, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ogonna Obudulu
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Christopher Agbajogu
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Sara Torkzadeh
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | | | - Donata Medaglini
- Department of Medical Biotechnologies, University of Siena, Italy
| | - Claire-Anne Siegrist
- Centre for Vaccinology, University Hospitals of Geneva and Faculty of Medicine, Geneva, Switzerland
| | - Tom H.M. Ottenhoff
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, the Netherlands
| | - Ali M. Harandi
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Vaccine Evaluation Center, BC Children’s Hospital Research Institute, University of British Columbia, Vancouver, Canada
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Hua Z, Wang Y, Chen W, Li W, Shen J. Emodin protects against intestinal dysfunction and enhances survival in rat model of septic peritonitis through anti-inflammatory actions. Immun Inflamm Dis 2023; 11:e942. [PMID: 37647455 PMCID: PMC10461418 DOI: 10.1002/iid3.942] [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: 04/25/2023] [Revised: 06/27/2023] [Accepted: 07/06/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND Sepsis is a significant contributor to organ function damage or failure that results in intestinal dysfunction. Emodin (Emo) has received much attention for its notable anti-inflammatory and antibacterial properties. We aimed to explore the function of Emo on sepsis. METHODS Sprague Dawley (SD) rats were pretreated with 20 or 40 mg/kg of Emo, followed by using cecal ligation and perforation to establish sepsis models. Hereafter, blood glucose levels, biochemical parameters, and inflammatory cytokines were measured. Additionally, ileal myeloperoxidase (MPO) activity was also measured. Diamine oxidase (DAO) level in plasma, fluorescein isothiocyanate-dextran 40 (FD-40) level in serum, bacteria number in blood and peritoneal fluid, histopathological changes of ileum, and tight junction (TJ) protein expressions in ileum were tested to evaluate the barrier function. Furthermore, CD4+ and CD8+ T cells' percentages were evaluated by flow cytometry. Finally, rats' survival rate was calculated as live rats divided by the total number of rats. RESULTS Emo pretreatment not only decreased blood glucose level, but also downregulated triglyceride (TG), alanine aminotransferase (ALT), aspartate aminotransferase (AST), serum creatinine (SCr), blood urea nitrogen (BUN) contents for sepsis rats, especially for the high dose of Emo (p < .05). Furthermore, Emo inhibited MPO activity and inflammatory factor release (p < .05). Crucially, after Emo administration, the barrier function of ileum was enhanced, evidenced by the reduced DAO, FD-40 levels, decreased bacteria number, alleviated pathological damage in ileum and increased TJ protein expressions (p < .05). Rats treated with Emo exhibited increased percentages of CD8+ and CD4+ T cells (p < .05), as well as an improved survival rate. CONCLUSION Emo exhibited a remarkable ability to attenuate sepsis by restoring intestinal dysfunction and improving survival rates, and the mechanism was closely related to anti-inflammatory properties, which provided new solid evidence for the use of Emo in treating sepsis.
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Affiliation(s)
- Zhongjie Hua
- Department of Emergency MedicineThe First People's Hospital of PinghuPinghuZhejiangChina
| | - Yaqin Wang
- Department of Emergency MedicineThe First People's Hospital of PinghuPinghuZhejiangChina
| | - Weiping Chen
- Department of Emergency MedicineThe First People's Hospital of PinghuPinghuZhejiangChina
| | - Wei Li
- Department of Emergency MedicineThe First People's Hospital of PinghuPinghuZhejiangChina
| | - Jiali Shen
- Department of Emergency MedicineThe First People's Hospital of PinghuPinghuZhejiangChina
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Yuechen Z, Shaosong X, Zhouxing Z, Fuli G, Wei H. A summary of the current diagnostic methods for, and exploration of the value of microRNAs as biomarkers in, sepsis-associated encephalopathy. Front Neurosci 2023; 17:1125888. [PMID: 37008225 PMCID: PMC10060640 DOI: 10.3389/fnins.2023.1125888] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/02/2023] [Indexed: 03/18/2023] Open
Abstract
Sepsis-associated encephalopathy (SAE) is an acute neurological deficit caused by severe sepsis without signs of direct brain infection, characterized by the systemic inflammation and disturbance of the blood–brain barrier. SAE is associated with a poor prognosis and high mortality in patients with sepsis. Survivors may exhibit long-term or permanent sequelae, including behavioral changes, cognitive impairment, and decreased quality of life. Early detection of SAE can help ameliorate long-term sequelae and reduce mortality. Half of the patients with sepsis suffer from SAE in the intensive care unit, but its physiopathological mechanism remains unknown. Therefore, the diagnosis of SAE remains a challenge. The current clinical diagnosis of SAE is a diagnosis of exclusion; this makes the process complex and time-consuming and delays early intervention by clinicians. Furthermore, the scoring scales and laboratory indicators involved have many problems, including insufficient specificity or sensitivity. Thus, a new biomarker with excellent sensitivity and specificity is urgently needed to guide the diagnosis of SAE. MicroRNAs have attracted attention as putative diagnostic and therapeutic targets for neurodegenerative diseases. They exist in various body fluids and are highly stable. Based on the outstanding performance of microRNAs as biomarkers for other neurodegenerative diseases, it is reasonable to infer that microRNAs will be excellent biomarkers for SAE. This review explores the current diagnostic methods for sepsis-associated encephalopathy (SAE). We also explore the role that microRNAs could play in SAE diagnosis and if they can be used to make the SAE diagnosis faster and more specific. We believe that our review makes a significant contribution to the literature because it summarizes some of the important diagnostic methods for SAE, highlighting their advantages and disadvantages in clinical use, and could benefit the field as it highlights the potential of miRNAs as SAE diagnostic markers.
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He W, Dong H, Wu C, Zhong Y, Li J. The role of NLRP3 inflammasome in sepsis: A potential therapeutic target. Int Immunopharmacol 2023; 115:109697. [PMID: 37724951 DOI: 10.1016/j.intimp.2023.109697] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/28/2022] [Accepted: 01/03/2023] [Indexed: 01/22/2023]
Abstract
Sepsis is the host immune imbalance following infection and leads to organ dysfunction, with highly complicated pathophysiology. To date, sepsis still lacks effective therapies with high mortality rates. Recently, numerous studies have highlighted the potential of NLRP3 inflammasome as a therapeutic target during sepsis. NLRP3 inflammasome is a protein complex that could induce the activation of caspase-1 and the following release of pro-inflammatory cytokines such as IL-1β and IL-18. It was demonstrated that NLRP3 inflammasome was involved in the development and progression of sepsis. In contrast, inhibition of NLRP3 inflammasome activation could mitigate the inflammatory response, protect organ function, and improve outcomes and mortality. This paper illustrated the activation pathways of the NLRP3 inflammasome and its possible molecular mechanisms in the pathophysiology of sepsis. Meanwhile, the beneficial effects of inhibiting NLRP3 activation in sepsis-related organ damage were also presented. In addition, the diverse role of NLRP3 inflammasome in bacterial clearance was addressed. Of note, several herbal extracts targeting NLRP3 inflammasome in the treatment of sepsis were emphasized. We hope that this paper could provide a basis for further drug research targeting NLRP3 inflammasome.
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Affiliation(s)
- Wenfang He
- Department of Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Haiyun Dong
- Department of Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Chenfang Wu
- Department of Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yanjun Zhong
- Department of Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jinxiu Li
- Department of Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, China.
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