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Zhu YB, Liu TL, Dai Q, Liu SF, Xiong P, Huang H, Yuan Y, Zhang TN, Chen Y. Characteristics and Risk Factors for Pediatric Sepsis. Curr Med Sci 2024; 44:648-656. [PMID: 38748371 DOI: 10.1007/s11596-024-2870-6] [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: 11/17/2023] [Accepted: 03/22/2024] [Indexed: 06/29/2024]
Abstract
OBJECTIVE Sepsis is considered a major cause of health loss in children and had high mortality and morbidity. Currently, there is no reliable model for predicting the prognosis of pediatric patients with sepsis. This study aimed to analyze the clinical characteristics of sepsis in children and assess the risk factors associated with poor prognosis in pediatric sepsis patients to identify timely interventions and improve their outcomes. METHODS This study analyzed the clinical indicators and laboratory results of septic patients hospitalized in the Pediatric Intensive Care Unit of Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China, from January 1, 2019, to December 31, 2021. Risk factors for sepsis were identified by logistic regression analyses. RESULTS A total of 355 children with sepsis were enrolled, with 333 children (93.8%) in the good prognosis group, and 22 children (6.2%) in the poor prognosis group. Among them, there were 255 patients (71.8%) in the sepsis group, and 100 patients (28.2%) in the severe sepsis group. The length of hospital stay in the poor prognosis group was longer than that in the good prognosis group (P<0.01). The levels of interleukin 1β (IL-1β) in the poor prognosis group were higher than those in the good prognosis group (P>0.05), and the platelet (PLT), albumin (ALB), and hemoglobin (Hb) levels were lower in the poor prognosis group (P<0.01). The IL-8 levels in the severe sepsis group were higher than those in the sepsis group (P<0.05). Multiple logistic regression analysis suggested that lower Hb levels, ALB levels, peak PLT counts, and higher IL-1β levels were independent risk factors for poor prognosis in children with sepsis. CONCLUSION Lower Hb, ALB, and PLT counts and elevated IL-1β are independent risk factors for poor prognosis in children with sepsis.
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Affiliation(s)
- Yong-Bing Zhu
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Tong-Lin Liu
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Qi Dai
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Shu-Fan Liu
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Peng Xiong
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hao Huang
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yi Yuan
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Tian-Nan Zhang
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yu Chen
- Department of Pediatric Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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Saleh RO, Jasim SA, Kadhum WR, Hjazi A, Faraz A, Abid MK, Yumashev A, Alawadi A, Aiad IAZ, Alsalamy A. Exploring the detailed role of interleukins in cancer: A comprehensive review of literature. Pathol Res Pract 2024; 257:155284. [PMID: 38663179 DOI: 10.1016/j.prp.2024.155284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/25/2024] [Accepted: 03/30/2024] [Indexed: 05/12/2024]
Abstract
The cancer cells that are not normal can grow into tumors, invade surrounding tissues, and travel to other parts of the body via the lymphatic or circulatory systems. Interleukins, a vital class of signaling proteins, facilitate cell-to-cell contact within the immune system. A type of non-coding RNA known as lncRNAs mediates its actions by regulating miRNA-mRNA roles (Interleukins). Because of their dual function in controlling the growth of tumors and altering the immune system's response to cancer cells, interleukins have been extensively studied concerning cancer. Understanding the complex relationships between interleukins, the immune system, the tumor microenvironment, and the components of interleukin signaling pathways that impact the miRNA-mRNA axis, including lncRNAs, has advanced significantly in cancer research. Due to the significant and all-encompassing influence of interleukins on the immune system and the development and advancement of cancers, lncRNAs play a crucial role in cancer research by modulating interleukins. Their diverse effects on immune system regulation, tumor growth encouragement, and tumor inhibition make them appealing candidates for potential cancer treatments and diagnostics. A deeper understanding of the relationship between the biology of interleukin and lncRNAs will likely result in more effective immunotherapy strategies and individualized cancer treatments.
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Affiliation(s)
- Raed Obaid Saleh
- Department of Medical Laboratory Techniques, Al-Maarif University College, Al-Anbar, Iraq
| | - Saade Abdalkareem Jasim
- Pharmacy Department, Al-Huda University College, Anbar, Iraq; Biotechnology Department, College of Applied Science, Fallujah University, Anbar, Iraq.
| | - Wesam R Kadhum
- Department of Pharmacy, Kut University College, Kut, Wasit 52001, Iraq; Advanced Research Center, Kut University College, Kut, Wasit 52001, Iraq
| | - Ahmed Hjazi
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Ali Faraz
- Department of Basic Medical Sciences, College of Medicine, Majmaah University, Majmaah 11952, Saudi Arabia.
| | - Mohammed Kadhem Abid
- Department of Anesthesia, College of Health & Medical Technology, Al-Ayen University, Thi-Qar, Iraq
| | - Alexey Yumashev
- Department of Prosthetic Dentistry, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Ahmed Alawadi
- College of Technical Engineering, the Islamic University, Najaf, Iraq; College of Technical Engineering, the Islamic University of Al Diwaniyah, Iraq; College of Technical Engineering, the Islamic University of Babylon, Iraq
| | - Ibrahim Ahmed Zaki Aiad
- Department of Pediatrics, General Medicine Practice Program, Batterjee Medical College, Jeddah 21442, Saudi Arabia
| | - Ali Alsalamy
- College of Technical Engineering, Imam Ja'afar Al-Sadiq University, Al-Muthanna 66002, Iraq
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Eckhart L, Fischer H. Caspase-5: Structure, Pro-Inflammatory Activity and Evolution. Biomolecules 2024; 14:520. [PMID: 38785927 PMCID: PMC11117641 DOI: 10.3390/biom14050520] [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: 04/04/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024] Open
Abstract
Caspase-5 is a protease that induces inflammation in response to lipopolysaccharide (LPS), a component of the cell envelope of Gram-negative bacteria. The expression level of the CASP5 gene is very low in the basal state, but strongly increases in the presence of LPS. Intracellular LPS binds to the caspase activation and recruitment domain (CARD) of caspase-5, leading to the formation of a non-canonical inflammasome. Subsequently, the catalytic domain of caspase-5 cleaves gasdermin D and thereby facilitates the formation of cell membrane pores through which pro-inflammatory cytokines of the interleukin-1 family are released. Caspase-4 is also able to form a non-canonical inflammasome upon binding to LPS, but its expression is less dependent on LPS than the expression of caspase-5. Caspase-4 and caspase-5 have evolved via the duplication of a single ancestral gene in a subclade of primates, including humans. Notably, the main biomedical model species, the mouse, has only one ortholog, namely caspase-11. Here, we review the structural features and the mechanisms of regulation that are important for the pro-inflammatory roles of caspase-5. We summarize the interspecies differences and the evolution of pro-inflammatory caspases in mammals and discuss the potential roles of caspase-5 in the defense against Gram-negative bacteria and in sepsis.
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Affiliation(s)
- Leopold Eckhart
- Department of Dermatology, Medical University of Vienna, 1090 Vienna, Austria
| | - Heinz Fischer
- Division of Cell and Developmental Biology, Center for Anatomy and Cell Biology, Medical University of Vienna, 1090 Vienna, Austria;
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Zhu C, Xu S, Jiang R, Yu Y, Bian J, Zou Z. The gasdermin family: emerging therapeutic targets in diseases. Signal Transduct Target Ther 2024; 9:87. [PMID: 38584157 PMCID: PMC10999458 DOI: 10.1038/s41392-024-01801-8] [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: 01/15/2024] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 04/09/2024] Open
Abstract
The gasdermin (GSDM) family has garnered significant attention for its pivotal role in immunity and disease as a key player in pyroptosis. This recently characterized class of pore-forming effector proteins is pivotal in orchestrating processes such as membrane permeabilization, pyroptosis, and the follow-up inflammatory response, which are crucial self-defense mechanisms against irritants and infections. GSDMs have been implicated in a range of diseases including, but not limited to, sepsis, viral infections, and cancer, either through involvement in pyroptosis or independently of this process. The regulation of GSDM-mediated pyroptosis is gaining recognition as a promising therapeutic strategy for the treatment of various diseases. Current strategies for inhibiting GSDMD primarily involve binding to GSDMD, blocking GSDMD cleavage or inhibiting GSDMD-N-terminal (NT) oligomerization, albeit with some off-target effects. In this review, we delve into the cutting-edge understanding of the interplay between GSDMs and pyroptosis, elucidate the activation mechanisms of GSDMs, explore their associations with a range of diseases, and discuss recent advancements and potential strategies for developing GSDMD inhibitors.
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Affiliation(s)
- Chenglong Zhu
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China
| | - Sheng Xu
- National Key Laboratory of Immunity & Inflammation, Naval Medical University, Shanghai, 200433, China
| | - Ruoyu Jiang
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Naval Medical University, Shanghai, 200433, China
| | - Yizhi Yu
- National Key Laboratory of Immunity & Inflammation, Naval Medical University, Shanghai, 200433, China.
| | - Jinjun Bian
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
| | - Zui Zou
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China.
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Manchikalapati R, Schening J, Farias AJ, Sacco KA. CLINICAL UTILITY OF INTERLEUKIN-1 INHIBITORS IN PEDIATRIC SEPSIS. Shock 2024; 61:340-345. [PMID: 37695659 DOI: 10.1097/shk.0000000000002223] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
ABSTRACT The pathophysiology of pediatric sepsis is characterized by increased innate immune activation earlier in life. Interleukin-1 is a proinflammatory cytokine implicated in the pathophysiology of sepsis, and ferritin is a stable surrogate biomarker for elevated IL-1 levels. Data in adult sepsis have shown that use of anakinra, an anti-IL-1 receptor antagonist, led to improved clinical outcomes in patients with features of macrophage activation and hyperferritinemia. However, data in pediatric sepsis are lacking. Our narrative review sought to highlight the current understanding of using IL-1 inhibitors in pediatric sepsis. We identified five studies including one case report and four retrospective case series that described clinical outcomes in relation to use of anakinra for secondary hemophagocytic lymphohistiocytosis (HLH). A few patients in this pooled heterogenous cohort of 72 patients had concomitant infection meeting the criteria for sepsis. All studies measured ferritin levels and reported a decrease in ferritin after initiating anakinra. Twelve patients died after treatment initiation. There was no clear comparison in clinical outcomes between infected and noninfected patients. The pathophysiology of pediatric sepsis suggests that there is a need for blinded clinical trials using targeted immunomodulation such as IL-1 inhibitors in pediatric sepsis cohort with an immunophenotype suggesting increased innate immune activation.
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Affiliation(s)
| | - Jonathon Schening
- Division of Pulmonology, Section of Allergy-Immunology, Phoenix Children's Hospital, Phoenix, Arizona
| | - Andrew J Farias
- Division of Critical Care, Phoenix Children's Hospital, Phoenix, Arizona
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Papareddy P, Selle M, Partouche N, Legros V, Rieu B, Olinder J, Ryden C, Bartakova E, Holub M, Jung K, Pottecher J, Herwald H. Identifying biomarkers deciphering sepsis from trauma-induced sterile inflammation and trauma-induced sepsis. Front Immunol 2024; 14:1310271. [PMID: 38283341 PMCID: PMC10820703 DOI: 10.3389/fimmu.2023.1310271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/22/2023] [Indexed: 01/30/2024] Open
Abstract
Objective The purpose of this study was to identify a panel of biomarkers for distinguishing early stage sepsis patients from non-infected trauma patients. Background Accurate differentiation between trauma-induced sterile inflammation and real infective sepsis poses a complex life-threatening medical challenge because of their common symptoms albeit diverging clinical implications, namely different therapies. The timely and accurate identification of sepsis in trauma patients is therefore vital to ensure prompt and tailored medical interventions (provision of adequate antimicrobial agents and if possible eradication of infective foci) that can ultimately lead to improved therapeutic management and patient outcome. The adequate withholding of antimicrobials in trauma patients without sepsis is also important in aspects of both patient and environmental perspective. Methods In this proof-of-concept study, we employed advanced technologies, including Matrix-Assisted Laser Desorption/Ionization (MALDI) and multiplex antibody arrays (MAA) to identify a panel of biomarkers distinguishing actual sepsis from trauma-induced sterile inflammation. Results By comparing patient groups (controls, infected and non-infected trauma and septic shock patients under mechanical ventilation) at different time points, we uncovered distinct protein patterns associated with early trauma-induced sterile inflammation on the one hand and sepsis on the other hand. SYT13 and IL1F10 emerged as potential early sepsis biomarkers, while reduced levels of A2M were indicative of both trauma-induced inflammation and sepsis conditions. Additionally, higher levels of TREM1 were associated at a later stage in trauma patients. Furthermore, enrichment analyses revealed differences in the inflammatory response between trauma-induced inflammation and sepsis, with proteins related to complement and coagulation cascades being elevated whereas proteins relevant to focal adhesion were diminished in sepsis. Conclusions Our findings, therefore, suggest that a combination of biomarkers is needed for the development of novel diagnostic approaches deciphering trauma-induced sterile inflammation from actual infective sepsis.
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Affiliation(s)
- Praveen Papareddy
- Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Michael Selle
- Genomics and Bioinformatics of Infectious Diseases, Institute for Animal Genomics, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Nicolas Partouche
- Hôpitaux Universitaires de Strasbourg, Service d’Anesthésie-Réanimation & Médecine Péri-opératoire - Université de Strasbourg, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Vincent Legros
- Département d’Anesthésie-Réanimation et Médecine Peri-Operatoire, Centre Hospitalier et Universitaire (CHU) de Reims, Université de Reims Champagne-Ardenne, Reims, France
| | - Benjamin Rieu
- Réanimation Médico-Chirurgicale, Trauma Center, Pôle Médecine Péri-Opératoire, Centre Hospitalier et Universitaire (CHU) de Clermont-Ferrand, Clermont Ferrand, France
| | - Jon Olinder
- Division of Infection Medicine, Helsingborg Hospital and Department of Clinical Sciences Helsingborg, Lund University, Helsingborg, Sweden
| | - Cecilia Ryden
- Division of Infection Medicine, Helsingborg Hospital and Department of Clinical Sciences Helsingborg, Lund University, Helsingborg, Sweden
| | - Eva Bartakova
- Department of Infectious Diseases, First Faculty of Medicine, Charles University and Military University Hospital Prague, Prague, Czechia
| | - Michal Holub
- Department of Infectious Diseases, First Faculty of Medicine, Charles University and Military University Hospital Prague, Prague, Czechia
| | - Klaus Jung
- Genomics and Bioinformatics of Infectious Diseases, Institute for Animal Genomics, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Julien Pottecher
- Hôpitaux Universitaires de Strasbourg, Service d’Anesthésie-Réanimation & Médecine Péri-opératoire - Université de Strasbourg, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Heiko Herwald
- Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden
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Ding Y, Shao J, Liu C, Li Z, Zhang Y, Jie L, Zhu X, Liang B, Yu Q, Wu J. Whether full-length IL-38 acts as a promoter or inhibitor in activating rheumatoid arthritis fibroblast-like synoviocytes depends on IL-1β. Int J Rheum Dis 2024; 27:e15020. [PMID: 38287552 DOI: 10.1111/1756-185x.15020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/06/2023] [Accepted: 12/18/2023] [Indexed: 01/31/2024]
Abstract
AIM IL-38 is a recently discovered inflammatory factor that belongs to the IL-1 family and has full-length and truncated forms. Clinical findings demonstrated that serum IL-38 levels in people with infectious and autoimmune diseases are significantly different from those in healthy people, but the form remains unclear. We are keenly interested in learning more about the regulatory role of full-length IL-38 in rheumatoid arthritis (RA), a classic autoimmune disease. METHODS RA-fibroblast-like synoviocytes (RA-FLS) were isolated from six RA patients and stimulated with full-length IL-38 to observe IL-6 and IL-8 secretion. Then, the migration and invasion functions of FLS were assessed. Next, the protein expressions of the MAPK, NF-κB, and JAK pathways were evaluated. In addition, we examined the effect of full-length IL-38 on FLS functions in the presence of IL-1β. The function of FLS affected by full-length IL-38 was also examined after blocking IL-1 and IL-36 receptors. RESULTS The functions of FLS were activated after the cells were stimulated with full-length IL-38. IL-6 and IL-8 levels increased with an increase in the full-length IL-38 concentration, and full-length IL-38 induced the acceleration of FLS migration and invasion functions. In addition, the levels of proteins in the MAPK signaling pathway increased after stimulation with full-length IL-38 and depended on its concentration. However, when the FLS were stimulated by IL-38 and IL-1β simultaneously, all experiments generated opposite results. Full-length IL-38 inhibited FLS function in the presence of IL-1β. IL-1R and IL-36R blockers terminated all effects of full-length IL-38 on RA-FLS. CONCLUSION Full-length IL-38 activates FLS functions and acts as a promoter in RA, whereas it inhibits FLS functions and acts as an inhibitor of RA in the presence of IL-1β. The function of full-length IL-38 can be blocked by IL-1Ra and IL-36Ra.
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Affiliation(s)
- Yudan Ding
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Ju Shao
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Cai Liu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Zhengtong Li
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Yuping Zhang
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Ligang Jie
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Xiaotong Zhu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Bibo Liang
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Qinghong Yu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Jing Wu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
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Monaco MH, Wang M, Hauser J, Yan J, Dilger RN, Donovan SM. Formula supplementation with human and bovine milk oligosaccharides modulates blood IgG and T-helper cell populations, and ex vivo LPS-stimulated cytokine production in a neonatal preclinical model. Front Immunol 2023; 14:1327853. [PMID: 38179055 PMCID: PMC10765566 DOI: 10.3389/fimmu.2023.1327853] [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: 10/25/2023] [Accepted: 12/06/2023] [Indexed: 01/06/2024] Open
Abstract
Introduction Human milk contains structurally diverse oligosaccharides (HMO), which are multifunctional modulators of neonatal immune development. Our objective was to investigate formula supplemented with fucosylated (2'FL) + neutral (lacto-N-neotetraose, LNnt) oligosaccharides and/or sialylated bovine milk oligosaccharides (BMOS) on immunological outcomes. Methods Pigs (n=46) were randomized at 48h of age to four diets: sow milk replacer formula (CON), BMOS (CON + 6.5 g/L BMOS), HMO (CON + 1.0 g/L 2'FL + 0.5 g/L LNnT), or BMOS+HMO (CON + 6.5 g/L BMOS + 1.0 g/L 2'FL + 0.5 g/L LNnT). Blood and tissues were collected on postnatal day 33 for measurement of cytokines and IgG, phenotypic identification of immune cells, and ex vivo lipopolysaccharide (LPS)-stimulation of immune cells. Results Serum IgG was significantly lower in the HMO group than BMOS+HMO but did not differ from CON or BMOS. The percentage of PBMC T-helper cells was lower in BMOS+HMO than the other groups. Splenocytes from the BMOS group secreted more IL-1β when stimulated ex vivo with LPS compared to CON or HMO groups. For PBMCs, a statistical interaction of BMOS*HMO was observed for IL-10 secretion (p=0.037), with BMOS+HMO and HMO groups differing at p=0.1. Discussion The addition of a mix of fucosylated and sialylated oligosaccharides to infant formula provides specific activities in the immune system that differ from formulations supplemented with one oligosaccharide structure.
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Affiliation(s)
- Marcia H. Monaco
- Department of Food Science and Human Nutrition, University of Illinois at Urbana Champaign, Urbana, IL, United States
| | - Mei Wang
- Department of Food Science and Human Nutrition, University of Illinois at Urbana Champaign, Urbana, IL, United States
| | - Jonas Hauser
- Brain Health Department, Nestlé Institute of Health Sciences, Société des Produits Nestlé SA, Lausanne, Switzerland
| | - Jian Yan
- Nestlé Product Technology Center Nutrition, Vevey, Switzerland
| | - Ryan N. Dilger
- Department of Animal Sciences, University of Illinois at Urbana Champaign, Urbana, IL, United States
| | - Sharon M. Donovan
- Department of Food Science and Human Nutrition, University of Illinois at Urbana Champaign, Urbana, IL, United States
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Wang H, Wang M, Chen J, Hou H, Guo Z, Yang H, Tang H, Chen B. Interleukin-36 is overexpressed in human sepsis and IL-36 receptor deletion aggravates lung injury and mortality through epithelial cells and fibroblasts in experimental murine sepsis. Crit Care 2023; 27:490. [PMID: 38093296 PMCID: PMC10717293 DOI: 10.1186/s13054-023-04777-z] [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: 09/06/2023] [Accepted: 12/11/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Sepsis is defined as a life-threatening syndrome caused by an unbalanced host response to infection. The role of interleukin (IL)-36 cytokines binding to the IL-36 receptor (IL-36R) in host response during sepsis remains unknown. METHODS Serum IL-36 level was measured in 47 septic patients sampled on the day of intensive care unit (ICU) and emergency department admission, 21 non-septic ICU patient controls, and 21 healthy volunteers. In addition, the effects of IL-36R deletion on host inflammatory response in cecal ligation and puncture (CLP)-induced polymicrobial sepsis was determined. RESULTS On the day of ICU and emergency department admission, the patients with sepsis showed a significant increase in serum IL-36 levels compared with ICU patient controls and healthy volunteers, and the serum IL-36 levels were related to the severity of sepsis. Non-survivors of septic patients displayed significantly lower serum IL-36 levels compared with survivors. A high serum IL-36 level in ICU and emergency department admission was associated with 28-day mortality, and IL-36 was found to be an independent predictor of 28-day mortality in septic patients by logistic regression analysis. Furthermore, IL-36R deletion increased lethality in CLP-induced polymicrobial sepsis. Septic mice with IL-36R deletion had higher bacterial load and demonstrated more severe multiple organ injury (including lung, liver, and kidney) as indicated by clinical chemistry and histopathology. Mechanistically, IL-36R ligands released upon lung damage activated IL-36R+lung fibroblasts thereby inducing expression of the antimicrobial protein lipocalin 2. Moreover, they induced the apoptosis of lung epithelial cells. CONCLUSIONS Septic patients had elevated serum IL-36 levels, which may correlate with disease severity and mortality. In experimental sepsis, we demonstrated a previously unrecognized role of IL-36R deletion in increasing lethality.
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Affiliation(s)
- Huachen Wang
- Institute of Infectious Diseases, The Second Hospital of Tianjin Medical University, 23 Pingjiang Road, Tianjin, 300211, People's Republic of China
- Intensive Care Unit, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Meixiang Wang
- The First Affiliated Hospital of Shandong First Medical University, Jinan, China
| | - Junlan Chen
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Hongda Hou
- Institute of Infectious Diseases, The Second Hospital of Tianjin Medical University, 23 Pingjiang Road, Tianjin, 300211, People's Republic of China
- Intensive Care Unit, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Zheng Guo
- Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, 2525 West End Ave, Nashville, TN, USA
| | - Hong Yang
- Intensive Care Unit, The Second Hospital of Tianjin Medical University, Tianjin, China
- The Province and Ministry Co-Sponsored Collaborative Innovation Center for Medical Epigenetics, Department of Pharmacology, School of Basic Medical Sciences, Tianjin Medical University, No. 22 Qixiangtai Road, Heping District, Tianjin, China
| | - Hua Tang
- Department of Rheumatology and Autoimmunology, Shandong Provincial Key Laboratory for Rheumatic Disease and Translational Medicine, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, 250014, Shandong, China.
- Institute of Infection and Immunity, Medical Science and Technology Innovation Center, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250000, Shandong, China.
| | - Bing Chen
- Institute of Infectious Diseases, The Second Hospital of Tianjin Medical University, 23 Pingjiang Road, Tianjin, 300211, People's Republic of China.
- Intensive Care Unit, The Second Hospital of Tianjin Medical University, Tianjin, China.
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Fu X, Liu Z, Wang Y. Advances in the Study of Immunosuppressive Mechanisms in Sepsis. J Inflamm Res 2023; 16:3967-3981. [PMID: 37706064 PMCID: PMC10497210 DOI: 10.2147/jir.s426007] [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: 06/15/2023] [Accepted: 08/29/2023] [Indexed: 09/15/2023] Open
Abstract
Sepsis is a life-threatening disease caused by a systemic infection that triggers a dysregulated immune response. Sepsis is an important cause of death in intensive care units (ICUs), poses a major threat to human health, and is a common cause of death in ICUs worldwide. The pathogenesis of sepsis is intricate and involves a complex interplay of pro- and anti-inflammatory mechanisms that can lead to excessive inflammation, immunosuppression, and potentially long-term immune disorders. Recent evidence highlights the importance of immunosuppression in sepsis. Immunosuppression is recognized as a predisposing factor for increased susceptibility to secondary infections and mortality in patients. Immunosuppression due to sepsis increases a patient's chance of re-infection and increases organ load. In addition, antibiotics, fluid resuscitation, and organ support therapy have limited impact on the prognosis of septic patients. Therapeutic approaches by suppressing excessive inflammation have not achieved the desired results in clinical trials. Research into immunosuppression has brought new hope for the treatment of sepsis, and a number of therapeutic approaches have demonstrated the potential of immunostimulatory therapies. In this article, we will focus on the mechanisms of immunosuppression and markers of immune monitoring in sepsis and describe various targets for immunostimulatory therapy in sepsis.
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Affiliation(s)
- Xuzhe Fu
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Zhi Liu
- Department of Ophthalmology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Yu Wang
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
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Chen X, Yuan S, Mi L, Long Y, He H. Pannexin1: insight into inflammatory conditions and its potential involvement in multiple organ dysfunction syndrome. Front Immunol 2023; 14:1217366. [PMID: 37711629 PMCID: PMC10498923 DOI: 10.3389/fimmu.2023.1217366] [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: 05/09/2023] [Accepted: 08/10/2023] [Indexed: 09/16/2023] Open
Abstract
Sepsis represents a global health concern, and patients with severe sepsis are at risk of experiencing MODS (multiple organ dysfunction syndrome), which is associated with elevated mortality rates and a poorer prognosis. The development of sepsis involves hyperactive inflammation, immune disorder, and disrupted microcirculation. It is crucial to identify targets within these processes to develop therapeutic interventions. One such potential target is Panx1 (pannexin-1), a widely expressed transmembrane protein that facilitates the passage of molecules smaller than 1 KDa, such as ATP. Accumulating evidence has implicated the involvement of Panx1 in sepsis-associated MODS. It attracts immune cells via the purinergic signaling pathway, mediates immune responses via the Panx1-IL-33 axis, promotes immune cell apoptosis, regulates blood flow by modulating VSMCs' and vascular endothelial cells' tension, and disrupts microcirculation by elevating endothelial permeability and promoting microthrombosis. At the level of organs, Panx1 contributes to inflammatory injury in multiple organs. Panx1 primarily exacerbates injury and hinders recovery, making it a potential target for sepsis-induced MODS. While no drugs have been developed explicitly against Panx1, some compounds that inhibit Panx1 hemichannels have been used extensively in experiments. However, given that Panx1's role may vary during different phases of sepsis, more investigations are required before interventions against Panx1 can be applied in clinical. Overall, Panx1 may be a promising target for sepsis-induced MODS. Nevertheless, further research is needed to understand its complex role in different stages of sepsis fully and to develop suitable pharmaceutical interventions for clinical use.
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Affiliation(s)
| | | | | | - Yun Long
- Department of Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Huaiwu He
- Department of Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
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Wang CB, Yan X, Wang GH, Liu WQ, Wang Y, Hao DF, Liu HM, Zhang M. NKHs27, a sevenband grouper NK-Lysin peptide that possesses immunoregulatory and antimicrobial activity. FISH & SHELLFISH IMMUNOLOGY 2023; 136:108715. [PMID: 37001746 DOI: 10.1016/j.fsi.2023.108715] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 03/22/2023] [Accepted: 03/26/2023] [Indexed: 06/19/2023]
Abstract
As an effective and broad-spectrum antimicrobial peptide, NK-Lysin is attracted more and more attention at present. However, the functions and action mechanism of NK-Lysin peptides are still not comprehensive enough at present. In this study, a sevenband grouper (Hyporthodus septemfasciatus) NK-Lysin peptide, NKHs27, was identified and synthesized, and its biological functions were studied. The results indicated that NKHs27 shares 44.44%∼88.89% overall sequence identities with other teleost NK-Lysin peptides. The following antibacterial activity assay exhibited that NKHs27 was active against both Gram-negative and Gram-positive bacteria, including Staphylococcus aureus, Listonella anguillarum, Vibrio parahaemolyticus and Vibrio vulnificus. Additionally, NKHs27 showed a synergistic effect when it was combined with rifampicin or erythromycin. In the process of interaction with the L. anguillarum cells, NKHs27 changed the cell membrane permeability and retained its morphological integrity, then penetrated into the cytoplasm to act on genomic DNA or total RNA. Then, in vitro studies showed that NKHs27 could enhance the respiratory burst ability of macrophages and upregulate immune-related genes expression in it. Moreover, NKHs27 incubation improved the proliferation of peripheral blood leukocytes significantly. Finally, in vivo studies showed that administration of NKHs27 prior to bacterial infection significantly reduced pathogen dissemination and replication in tissues. In summary, these results provide new insights into the function of NK-Lysin peptides in teleost and support that NKHs27, as a novel broad-spectrum antibacterial peptide, has potential applications in aquaculture against pathogenic infections.
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Affiliation(s)
- Chang-Biao Wang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Xue Yan
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Guang-Hua Wang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Wen-Qing Liu
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Yue Wang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Dong-Fang Hao
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Hong-Mei Liu
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Min Zhang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, Shandong Province, 266109, China.
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Wu S, Chen X, Cai R, Chen X, Zhang J, Xie J, Shen M. Sulfated Chinese Yam Polysaccharides Alleviate LPS-Induced Acute Inflammation in Mice through Modulating Intestinal Microbiota. Foods 2023; 12:foods12091772. [PMID: 37174310 PMCID: PMC10178587 DOI: 10.3390/foods12091772] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 04/14/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
This study aimed to test the preventive anti-inflammatory properties of Chinese yam polysaccharides (CYP) and sulfated Chinese yam polysaccharides (SCYP) on LPS-induced systemic acute inflammation in mice and investigate their mechanisms of action. The results showed that SCYP can efficiently reduce plasma TNF-α and IL-6 levels, exhibiting an obvious anti-inflammation ability. Moreover, SCYP reduced hepatic TNF-α, IL-6, and IL-1β secretion more effectively than CYP, and significantly altered intestinal oxidative stress levels. In addition, a 16S rRNA gene sequencing analysis showed that CYP regulated the gut microbiota by decreasing Desulfovibrio and Sutterella and increasing Prevotella. SCYP changed the gut microbiota by decreasing Desulfovibrio and increasing Coprococcus, which reversed the microbiota dysbiosis caused by LPS. Linear discriminant analysis (LDA) effect size (LEfSe) revealed that treatment with CYP and SCYP can produce more biomarkers of the gut microbiome that can promote the proliferation of polysaccharide-degrading bacteria and facilitate the intestinal de-utilization of polysaccharides. These results suggest that SCYP can differentially regulate intestinal flora, and that they exhibit anti-inflammatory effects, thus providing a new reference to rationalize the exploitation of sulfated yam polysaccharides.
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Affiliation(s)
- Shihua Wu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Xianxiang Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Ruixin Cai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Xiaodie Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Jian Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Mingyue Shen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
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Mansilla-Roselló A, Hernández-Magdalena J, Domínguez-Bastante M, Olmedo-Martín C, Comino-Pardo A, Escames G, Acuña-Castroviejo D. A phase II, single-center, double-blind, randomized placebo-controlled trial to explore the efficacy and safety of intravenous melatonin in surgical patients with severe sepsis admitted to the intensive care unit. J Pineal Res 2023; 74:e12845. [PMID: 36428216 PMCID: PMC10078138 DOI: 10.1111/jpi.12845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 11/09/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022]
Abstract
To determine whether IV melatonin therapy improves redox status and inflammatory responses in surgical patients with severe sepsis, a unicenter, phase II double-blind, randomized, placebo-controlled trial was carried out. The study included patients with severe sepsis marked by infectious systemic inflammatory response syndrome (SIRS), associated with organ dysfunction, hypoperfusion or hypotension requiring surgical intervention. IV melatonin at a daily dose of 60 mg, which was dissolved in 500 ml of 5% dextrose serum, was continuously administered to the patients for over 30 min starting on the day of the diagnoses during a 5-day period. A total of 14 patients received a placebo treatment and 15 melatonin doses. Redox status decreased in melatonin-treated patients during the 5 days of treatment as compared to the placebo-treated patients. Procalcitonin performed better in the melatonin group, whose neutrophil to lymphocyte ratio was also significantly reduced, resulting in an improved evolution of the disease. Moreover, hospital stays decreased by 19.60% from 26.64 days for the placebo group to 21.42 days for the melatonin group. The placebo group recorded five mortalities, as compared to three for the melatonin group. IV melatonin administration improved the course of the disease in surgical patients with severe sepsis, with no side effects. Additional studies with higher doses of melatonin and a long duration of therapy need to be carried out to assess its clinical use.
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Affiliation(s)
- Alfonso Mansilla-Roselló
- General and Digestive Surgery Department, Virgen de las Nieves University Hospital, Granada, Spain
| | | | | | - Carmen Olmedo-Martín
- Experimental Surgery Unit, Virgen de las Nieves University Hospital, Granada, Spain
| | - Ana Comino-Pardo
- Experimental Surgery Unit, Virgen de las Nieves University Hospital, Granada, Spain
| | - Germaine Escames
- Departamento de Fisiología, Centro de Investigación Biomédica, Instituto de Biotecnología, Facultad de Medicina, Parque Tecnológico de Ciencias de la Salud, Universidad de Granada, Granada, Spain
- Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERfes, ISCIII), Centro de Investigación Biomédica, Parque Tecnológico de Ciencias de la Salud, Universidad de Granada, Granada, Spain
- Instituto Biosanitario de Granada (Ibs.Granada), Hospital Universitario San Cecilio, Granada, Spain
| | - Darío Acuña-Castroviejo
- Departamento de Fisiología, Centro de Investigación Biomédica, Instituto de Biotecnología, Facultad de Medicina, Parque Tecnológico de Ciencias de la Salud, Universidad de Granada, Granada, Spain
- Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERfes, ISCIII), Centro de Investigación Biomédica, Parque Tecnológico de Ciencias de la Salud, Universidad de Granada, Granada, Spain
- Instituto Biosanitario de Granada (Ibs.Granada), Hospital Universitario San Cecilio, Granada, Spain
- UGC de Laboratorios Clínicos, Hospital Universitario San Cecilio, Granada, Spain
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Li X, Ji L, Men X, Chen X, Zhi M, He S, Chen S. Pyroptosis in bone loss. Apoptosis 2023; 28:293-312. [PMID: 36645574 PMCID: PMC9842222 DOI: 10.1007/s10495-022-01807-z] [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] [Accepted: 12/28/2022] [Indexed: 01/17/2023]
Abstract
Pyroptosis could be responsible for the bone loss from bone metabolic diseases, leading to the negative impact on people's health and life. It has been shown that osteoclasts, osteoblasts, macrophages, chondrocytes, periodontal and gingival cells may be involved in bone loss linked with pyroptosis. So far, the involved mechanisms have not been fully elucidated. In this review, we introduced the related cells involved in the pyroptosis associated with bone loss and summarized the role of these cells in the bone metabolism during the process of pyroptosis. We also discuss the clinical potential of targeting mechanisms in the osteoclasts, osteoblasts, macrophages, chondrocytes, periodontal and gingival cells touched upon pyroptosis to treat bone loss from bone metabolic diseases as well as the challenges of avoiding potential side effects and producing efficient treatment methods.
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Affiliation(s)
- Xinyi Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan China
| | - Ling Ji
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan China
| | - Xinrui Men
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan China
| | - Xinyi Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan China
| | - Maohui Zhi
- Functional Laboratory, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan China
| | - Shushu He
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan China
| | - Song Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan China
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Zhang P, Zhu H. Cytokines in Thyroid-Associated Ophthalmopathy. J Immunol Res 2022; 2022:2528046. [PMID: 36419958 PMCID: PMC9678454 DOI: 10.1155/2022/2528046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 09/07/2023] Open
Abstract
Thyroid-associated ophthalmopathy (TAO), also known as thyroid eye disease (TED) or Graves' orbitopathy (GO), is a complex autoimmune condition causing visual impairment, disfigurement, and harm to patients' physical and mental health. The pathogenesis of TAO has not been fully elucidated, and the mainstream view is that coantigens shared by the thyroid and orbit trigger remodeling of extraocular muscles and orbital connective tissues through an inflammatory response. In recent years, cytokines and the immune responses they mediate have been crucial in disease progression, and currently, common evidence has shown that drugs targeting cytokines, such as tocilizumab, infliximab, and adalimumab, may be novel targets for therapy. In this review, we summarize the research development of different cytokines in TAO pathogenesis in the hope of discovering new therapeutic targets.
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Affiliation(s)
- Pengbo Zhang
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Huang Zhu
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
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lncRNA IL-17RA-1 Attenuates LPS-Induced Sepsis via miR-7847-3p/PRKCG-Mediated MAPK Signaling Pathway. Mediators Inflamm 2022; 2022:9923204. [PMID: 36274974 PMCID: PMC9584741 DOI: 10.1155/2022/9923204] [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: 08/30/2022] [Revised: 09/23/2022] [Accepted: 09/27/2022] [Indexed: 12/02/2022] Open
Abstract
Sepsis represents a syndrome of systemic inflammatory response, which is mostly a result of infection with various pathogenic microorganisms, characterized by an uncontrolled infection response of the organism leading to life-threatening organ dysfunction. Long noncoding RNA (lncRNA), as competing endogenous RNA, can affect the binding of microRNA (miRNA) to mRNA, thus influencing the development of sepsis. In this study, based on transcriptome data from GEO database, we screened differentially expressed lncRNAs and constructed lncRNA-miRNA-mRNA network. And pathway IL-17RA-1/miR-7847-3p/protein kinase C gamma (PRKCG) coexpression network was successfully sorted out. The effect of this network on LPS-induced sepsis model in THP-1 cells was also verified by CCK-8, scratch, ELISA, Western blot, and qRT-PCR assays. Corresponding binding sites of miR-7847-3p to IL-17RA-1 and miR-7847-3p to PRKCG were verified using dual luciferase gene reporter assays, respectively. Compared with control, si-IL-17RA-1 significantly inhibited the cell viability and migration ability of THP-1, and levels of proinflammatory factors IL-6, IL-1β, and TNF-α secreted were markedly decreased, and the expression of IL-17RA-1, PRKCG, p-MEKK1, and p-JNK were markedly reduced. In addition, IL-17RA-1 could target binding to miR-7847-3p and inhibit its expression, and miR-7847-3p could also bind to PRKCG. Our experiments demonstrate that IL17-RA-1 attenuates the sepsis response through the miR-7847-3p/MAPK pathway, and this competing endogenous RNA (ceRNA) network may be a potential approach to predict and combat sepsis.
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Liu D, Huang SY, Sun JH, Zhang HC, Cai QL, Gao C, Li L, Cao J, Xu F, Zhou Y, Guan CX, Jin SW, Deng J, Fang XM, Jiang JX, Zeng L. Sepsis-induced immunosuppression: mechanisms, diagnosis and current treatment options. Mil Med Res 2022; 9:56. [PMID: 36209190 PMCID: PMC9547753 DOI: 10.1186/s40779-022-00422-y] [Citation(s) in RCA: 71] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 09/27/2022] [Indexed: 12/02/2022] Open
Abstract
Sepsis is a common complication of combat injuries and trauma, and is defined as a life-threatening organ dysfunction caused by a dysregulated host response to infection. It is also one of the significant causes of death and increased health care costs in modern intensive care units. The use of antibiotics, fluid resuscitation, and organ support therapy have limited prognostic impact in patients with sepsis. Although its pathophysiology remains elusive, immunosuppression is now recognized as one of the major causes of septic death. Sepsis-induced immunosuppression is resulted from disruption of immune homeostasis. It is characterized by the release of anti-inflammatory cytokines, abnormal death of immune effector cells, hyperproliferation of immune suppressor cells, and expression of immune checkpoints. By targeting immunosuppression, especially with immune checkpoint inhibitors, preclinical studies have demonstrated the reversal of immunocyte dysfunctions and established host resistance. Here, we comprehensively discuss recent findings on the mechanisms, regulation and biomarkers of sepsis-induced immunosuppression and highlight their implications for developing effective strategies to treat patients with septic shock.
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Affiliation(s)
- Di Liu
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China
| | - Si-Yuan Huang
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China
| | - Jian-Hui Sun
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China
| | - Hua-Cai Zhang
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China
| | - Qing-Li Cai
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China
| | - Chu Gao
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China
| | - Li Li
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Ju Cao
- Department of Laboratory Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Fang Xu
- Department of Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Yong Zhou
- Department of Physiology, School of Basic Medicine Science, Central South University, Changsha, 410078, China
| | - Cha-Xiang Guan
- Department of Physiology, School of Basic Medicine Science, Central South University, Changsha, 410078, China
| | - Sheng-Wei Jin
- Department of Anesthesia and Critical Care, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Zhejiang, 325027, Wenzhou, China
| | - Jin Deng
- Department of Emergency, the Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, 550001, Guiyang, China
| | - Xiang-Ming Fang
- Department of Anesthesiology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310052, China.
| | - Jian-Xin Jiang
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China.
| | - Ling Zeng
- Department of Trauma Medical Center, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, 400042, China.
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Matarazzo L, Hernandez Santana YE, Walsh PT, Fallon PG. The IL-1 cytokine family as custodians of barrier immunity. Cytokine 2022; 154:155890. [DOI: 10.1016/j.cyto.2022.155890] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 03/31/2022] [Accepted: 04/13/2022] [Indexed: 12/12/2022]
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The Interleukin-1 (IL-1) Superfamily Cytokines and Their Single Nucleotide Polymorphisms (SNPs). J Immunol Res 2022; 2022:2054431. [PMID: 35378905 PMCID: PMC8976653 DOI: 10.1155/2022/2054431] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/24/2022] [Accepted: 03/08/2022] [Indexed: 12/19/2022] Open
Abstract
Interleukins (ILs)—which are important members of cytokines—consist of a vast group of molecules, including a wide range of immune mediators that contribute to the immunological responses of many cells and tissues. ILs are immune-glycoproteins, which directly contribute to the growth, activation, adhesion, differentiation, migration, proliferation, and maturation of immune cells; and subsequently, they are involved in the pro and anti-inflammatory responses of the body, by their interaction with a wide range of receptors. Due to the importance of immune system in different organisms, the genes belonging to immune elements, such as ILs, have been studied vigorously. The results of recent investigations showed that the genes pertaining to the immune system undergo progressive evolution with a constant rate. The occurrence of any mutation or polymorphism in IL genes may result in substantial changes in their biology and function and may be associated with a wide range of diseases and disorders. Among these abnormalities, single nucleotide polymorphisms (SNPs) can represent as important disruptive factors. The present review aims at concisely summarizing the current knowledge available on the occurrence, properties, role, and biological consequences of SNPs within the IL-1 family members.
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Li F, Zhang Y, Yu B, Zhang Z, Fan Y, Wang L, Cheng M, Yan P, Zhao W. Evaluation of the diagnostic and prognostic values of serum HSP90α in sepsis patients: a retrospective study. PeerJ 2022; 10:e12997. [PMID: 35291488 PMCID: PMC8918145 DOI: 10.7717/peerj.12997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 02/02/2022] [Indexed: 01/11/2023] Open
Abstract
Background Sepsis is a serious syndrome that is caused by immune responses dysfunction and leads to high mortality. The abilities of heat shock protein 90α (HSP90α) in assessing the diagnosis and prognosis in patients with sepsis remain ill-defined to date. We conducted a study to reveal the possible clinical applications of HSP90α as biomarker for the diagnosis and prognosis in patients with sepsis. Methods In total, 150 patients of sepsis, 110 patients without sepsis admitted to ICU and 110 healthy subjects were involved in this study. The serum HSP90α contents, sequential organ failure assessment (SOFA) scores, procalcitonin (PCT), and short-term survival status of the participants were measured and compared. Logistic and linear regression models adjusting for potential confounders were used to examine the association of HSP90α with sepsis survival. Moreover, serum IL-1β, IL-18, MIP-3α, and ENA-78 were also determined. Finally, Spearman correlation analysis was employed to reveal a possible mechanism that HSP90α contributed to the short-term deaths. Results Serum HSP90α levels in sepsis patients were higher than those in ICU controls and healthy controls (P < 0.001), and even increased in patients who died within 28 days (P < 0.001). Logistic and linear regression models identified HSP90α was an independent risk factors for sepsis mortality. Receiver operating characteristic (ROC) analysis displayed that HSP90α had a considerable predictive performance for sepsis outcome, with an area under curve (AUC) value up to 0.79. Survival analysis demonstrated that the mortality of sepsis individuals at 28 days was positively associated with HSP90α levels, especially the levels of HSP90α were greater than 120 ng/mL (P < 0.001). Moreover, among sepsis patients, those who died had notably elevated cytokines, IL-1β, IL-18, and chemokines, MIP-3α, ENA-78, relative to survivors. Further correlation analysis demonstrated that there was a nominally positive correlation between HSP90α and IL-1β, IL-18, and MIP-3α. Conclusion HSP90α is of favorable clinical significance in sepsis diagnosis and prognosis, laying a foundation for future clinical applications.
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Affiliation(s)
- Fuxing Li
- Department of Clinical Laboratory, School of Clinical Medicine, Dali University, Dali, Yunnan, China
| | - Yulin Zhang
- Department of Clinical Laboratory, School of Clinical Medicine, Dali University, Dali, Yunnan, China
| | - Bocheng Yu
- Department of Clinical Laboratory, School of Clinical Medicine, Dali University, Dali, Yunnan, China
| | - Zihua Zhang
- Department of Clinical Laboratory, School of Clinical Medicine, Dali University, Dali, Yunnan, China
| | - Yujuan Fan
- Department of Clinical Laboratory, School of Clinical Medicine, Dali University, Dali, Yunnan, China
| | - Li Wang
- Department of Clinical Laboratory, School of Clinical Medicine, Dali University, Dali, Yunnan, China
| | - Mingjing Cheng
- Department of Clinical Laboratory, School of Clinical Medicine, Dali University, Dali, Yunnan, China
| | - Ping Yan
- Department of Gastroenterology, The First Affiliated Hospital of Dali University, Dali, Yunnan, China
| | - Weidong Zhao
- Department of Clinical Laboratory, School of Clinical Medicine, Dali University, Dali, Yunnan, China,Institute of Translational Medicine for Metabolic Diseases, Dali University, Dali, Yunnan, China
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22
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Huang G, Li M, Tian X, Jin Q, Mao Y, Li Y. The emerging roles of IL-36, IL-37, and IL-38 in diabetes mellitus and its complications. Endocr Metab Immune Disord Drug Targets 2022; 22:997-1008. [PMID: 35049442 DOI: 10.2174/1871530322666220113142533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/15/2021] [Accepted: 12/30/2021] [Indexed: 11/22/2022]
Abstract
Diabetes mellitus is a metabolic disease caused by a combination of genetics and environmental factors. The importance of the inflammatory response occurring in the pancreas and adipose tissue in the occurrence and progression of diabetes has been gradually accepted. Excess blood glucose and free fatty acids produce large amounts of inflammatory cytokines and chemokines through oxidative stress and endoplasmic reticulum stress. There is sufficient evidence that proinflammatory mediators, such as interleukin (IL)-1β, IL-6, macrophage chemotactic protein-1, and tumor necrosis factor-α, are engaged in the insulin resistance in peripheral adipose tissue and the apoptosis of pancreatic β-cells. IL-36, IL-37, and IL-38, as new members of the IL-1 family, play an indispensable effect in the regulation of immune system homeostasis and are involved in the pathogenesis of inflammatory and autoimmune diseases. Recently, the abnormal expression of IL-36, IL-37, and IL-38 in diabetes has been reported. In this review, we discuss the emerging functions, potential mechanisms, and future research directions on the role of IL-36, IL-37, and IL-38 in diabetes mellitus and its complications.
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Affiliation(s)
- Guoqing Huang
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
| | - Mingcai Li
- School of Medicine, Ningbo University, Ningbo 315211, China
| | - Xiaoqing Tian
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
| | - Qiankai Jin
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
| | - Yushan Mao
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
| | - Yan Li
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
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IL-38 Alleviates Inflammation in Sepsis in Mice by Inhibiting Macrophage Apoptosis and Activation of the NLRP3 Inflammasome. Mediators Inflamm 2021; 2021:6370911. [PMID: 34955683 PMCID: PMC8709774 DOI: 10.1155/2021/6370911] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/05/2021] [Accepted: 12/06/2021] [Indexed: 12/27/2022] Open
Abstract
Interleukin- (IL-) 38 is an emerging cytokine with multiple functions involved in infection and immunity. However, the potential role of IL-38 in the host immune response during sepsis remains elusive. Herein, we investigated if macrophages in septic mice express IL-38, the molecular mechanisms behind its expression, and the downstream effects of its expression. In mouse peritoneal macrophages, lipopolysaccharide (LPS) upregulated IL-38 and its receptor IL-36R, and the resulting IL-38 shifted macrophages from a M1 to M2 phenotype. Moreover, exposure to IL-38 alone was sufficient to inhibit macrophage apoptosis and LPS-driven activation of the NOD-, LRR-, and pyrin domain-containing 3 (NLRP3) inflammasome. These effects were partly abrogated by IL-38 downregulation. In septic mice, IL-38 markedly lowered serum concentrations of proinflammatory cytokines and greatly improved survival. Conversely, IL-38 blockade aggravated their mortality. Collectively, these findings present IL-38 as a potent immune modulator that restrains the inflammatory response by suppressing macrophage apoptosis and activation of the NLRP3 inflammasome. IL-38 may help protect organs from sepsis-related injury.
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Esmaeilzadeh A, Bahmaie N, Nouri E, Hajkazemi MJ, Zareh Rafie M. Immunobiological Properties and Clinical Applications of Interleukin-38 for Immune-Mediated Disorders: A Systematic Review Study. Int J Mol Sci 2021; 22:12552. [PMID: 34830435 PMCID: PMC8625918 DOI: 10.3390/ijms222212552] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/18/2021] [Accepted: 10/19/2021] [Indexed: 12/20/2022] Open
Abstract
Exponential growth in the usage of "cytokines" (as seroimmunobiomarkers) has facilitated more accurate prognosis, early diagnosis, novel, and efficient immunotherapeutics. Numerous studies have reported immunopathophysiological and immunopathological processes of interleukin-38 (IL-38). Therefore, in this systematic review article, the authors aimed to present an updated comprehensive overview on the immunobiological mechanisms, diagnostic, and immune gene-based therapeutic potentials of IL-38. According to our inclusion and exclusion criteria, a total of 216 articles were collected from several search engines and databases from the January 2012 to July 2021 time interval by using six main keywords. Physiologic or pathologic microenvironments, optimal dosage, and involved receptors affect the functionalities of IL-38. Alterations in serum levels of IL-38 play a major role in the immunopathogenesis of a wide array of immune-mediated disorders. IL-38 shows anti-inflammatory activities by reduction or inhibition of pro-inflammatory cytokines, supporting the therapeutic aspects of IL-38 in inflammatory autoimmune diseases. According to the importance of pre-clinical studies, it seems that manipulation of the immune system by immunomodulatory properties of IL-38 can increase the accuracy of diagnosis, and decipher optimal clinical outcomes. To promote our knowledge, more collaboration is highly recommended among laboratory scientists, internal/infectious diseases specialists, oncologists, immunologists, diseases-specific biomarkers scientists, and basic medical researchers.
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Affiliation(s)
- Abdolreza Esmaeilzadeh
- Department of Immunology, School of Medicine, Zanjan University of Medical Sciences, Zanjan 4513956111, Iran
- Cancer Gene Therapy Research Center (CGRC), Zanjan University of Medical Sciences, Zanjan 4513956111, Iran
- Immunotherapy Research & Technology Group, Zanjan University of Medical Sciences, Zanjan 4513956111, Iran
| | - Nazila Bahmaie
- Department of Allergy and Immunology, Faculty of Medicine, Graduate School of Health Science, Near East University (NEU), Nicosia 99138, Cyprus;
- Pediatric Ward, Department of Allergy and Immunology, Near East University affiliated Hospital, Nicosia 99138, Cyprus
- Serology and Immunology Ward, Clinical Diagnosis Laboratory, Private Baskent Hospital, Nicosia 99138, Cyprus
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran 1419733151, Iran
| | - Elham Nouri
- School of Paramedicine, Zanjan University of Medical Sciences, Zanjan 4513956111, Iran;
- Shahid Beheshti University Affiliated Hospital, Zanjan University of Medical Sciences, Zanjan 4513956111, Iran
| | - Mohammad Javad Hajkazemi
- School of Medicine, Zanjan University of Medical Sciences, Zanjan 4513956111, Iran; (M.J.H.); (M.Z.R.)
| | - Maryam Zareh Rafie
- School of Medicine, Zanjan University of Medical Sciences, Zanjan 4513956111, Iran; (M.J.H.); (M.Z.R.)
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25
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Hu X, Miao H. MiR-539-5p inhibits the inflammatory injury in septic H9c2 cells by regulating IRAK3. Mol Biol Rep 2021; 49:121-130. [PMID: 34757596 PMCID: PMC8748371 DOI: 10.1007/s11033-021-06849-1] [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: 05/18/2021] [Accepted: 10/15/2021] [Indexed: 11/30/2022]
Abstract
Background MicroRNAs (miRNAs) have been confirmed to play a potential role in sepsis, but little is known about their role in sepsis-induced cardiomyopathy (SIC). Methods The model of septic cardiomyopathy was constructed with H9c2 cells induced by lipopolysaccharide (LPS), and the expression of miR-539-5p was detected by qRT-PCR assay. ELISA, CCK-8, EdU TUNEL analysis were performed to evaluate the role of miR-539-5p in inflammation response, viability, proliferation and apoptosis of LPS-treated H9c2 cells. Moreover, miRWalk and TargetScan prediction, and dual-luciferase reporter gene assays were carried out to predict and confirm the target of miR-539-5p. Furthermore, the effects of target on inflammation response, proliferation and apoptosis of LPS-induced H9c2 cells mediated by miR-539-5p was further explored. Results The expression of miR-539-5p was obviously down-regulated in LPS-induced H9c2 cells. In addition, over-expression of miR-539-5p significantly inhibited the inflammation response, promoted viability and proliferation, and suppressed apoptosis of LPS-treated H9c2 cells. Moreover, interleukin-1 receptor-associated kinase 3 (IRAK3) was verified as a target of miR-539-5p by dual-luciferase reporter gene assay. Besides, IRAK3 was highly expressed in H9c2 cells transfected with miR-539-5p inhibitor detected with qRT-PCR and western blot assays. Furthermore, over-expression of IRAK3 partially weakened the effects of miR-539-5p mimic on the inflammation response, proliferation and apoptosis of LPS-induced H9c2 cells. Conclusions MiR-539-5p potentially plays an important role in the pathogenesis of LPS-induced sepsis by targeting IRAK3, suggesting that miR-539-5p may be a potential new target for the treatment of LPS-induced sepsis.
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Affiliation(s)
- Xiaochen Hu
- Department of Emergency, Children's Hospital of Nanjing Medical University, No. 72 Guangzhou Road, Gulou District, Nanjing, Jiangsu, 210008, China
| | - Hongjun Miao
- Department of Emergency, Children's Hospital of Nanjing Medical University, No. 72 Guangzhou Road, Gulou District, Nanjing, Jiangsu, 210008, China.
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26
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Discovery of Novel Pterostilbene Derivatives That Might Treat Sepsis by Attenuating Oxidative Stress and Inflammation through Modulation of MAPKs/NF-κB Signaling Pathways. Antioxidants (Basel) 2021; 10:antiox10091333. [PMID: 34572964 PMCID: PMC8470242 DOI: 10.3390/antiox10091333] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/20/2021] [Accepted: 08/20/2021] [Indexed: 12/12/2022] Open
Abstract
Sepsis remains one of the most common life-threatening illnesses that is characterized by a systemic inflammatory response syndrome (SIRS) and usually arises following severe trauma and various septic infections. It is still in urgent need of new effective therapeutic agents, and chances are great that some candidates can be identified that can attenuate oxidative stress and inflammatory responses. Pterostilbene, which exerts attractive anti-oxidative and anti-inflammatory activities, is a homologue of natural polyphenolic derivative of resveratrol. Starting from it, we have made several rounds of rational optimizations. Firstly, based on the strategy of pharmacophore combination, indanone moiety was introduced onto the pterostilbene skeleton to generate a novel series of pterostilbene derivatives (PIF_1–PIF_16) which could possess both anti-oxidative and anti-inflammatory activities for sepsis treatment. Then, all target compounds were subjected to their structure–activity relationships (SAR) screening of anti-inflammatory activity in mouse mononuclear macrophage RAW264.7 cell line, and their cytotoxicities were determined after. Finally, an optimal compound, PIF_9, was identified. It decreased the mRNA levels of lipopolysaccharide (LPS)-induced interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), inducible nitric oxide synthase (iNOS), and cyclooxygenase 2 (COX2). We also found that the anti-inflammatory effects might be contributed by its suppression on the nuclear factor-κB (NF-κB) and MAPKs signaling pathway. Moreover, PIF_9 also demonstrated potent anti-oxidative activity in RAW264.7 macrophages and the sepsis mouse model. Not surprisingly, with the benefits mentioned above, it ameliorated LPS-induced sepsis in C57BL/6J mice and reduced multi-organ toxicity. Taken together, PIF_9 was identified as a potential sepsis solution, targeting inflammation and oxidative stress through modulating MAPKs/NF-κB.
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27
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Zhang Z, Miao L, Ren Z, Tang F, Li Y. Gene-Edited Interleukin CAR-T Cells Therapy in the Treatment of Malignancies: Present and Future. Front Immunol 2021; 12:718686. [PMID: 34386015 PMCID: PMC8353254 DOI: 10.3389/fimmu.2021.718686] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 07/09/2021] [Indexed: 01/05/2023] Open
Abstract
In recent years, chimeric antigen receptor T cells (CAR-T cells) have been faced with the problems of weak proliferation and poor persistence in the treatment of some malignancies. Researchers have been trying to perfect the function of CAR-T by genetically modifying its structure. In addition to the participation of T cell receptor (TCR) and costimulatory signals, immune cytokines also exert a decisive role in the activation and proliferation of T cells. Therefore, genetic engineering strategies were used to generate cytokines to enhance tumor killing function of CAR-T cells. When CAR-T cells are in contact with target tumor tissue, the proliferation ability and persistence of T cells can be improved by structurally or inductively releasing immunoregulatory molecules to the tumor region. There are a large number of CAR-T cells studies on gene-edited cytokines, and the most common cytokines involved are interleukins (IL-7, IL-12, IL-15, IL-18, IL-21, IL-23). Methods for the construction of gene-edited interleukin CAR-T cells include co-expression of single interleukin, two interleukin, interleukin combined with other cytokines, interleukin receptors, interleukin subunits, and fusion inverted cytokine receptors (ICR). Preclinical and clinical trials have yielded positive results, and many more are under way. By reading a large number of literatures, we summarized the functional characteristics of some members of the interleukin family related to tumor immunotherapy, and described the research status of gene-edited interleukin CAR-T cells in the treatment of malignant tumors. The objective is to explore the optimized strategy of gene edited interleukin-CAR-T cell function.
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Affiliation(s)
- Zhengchao Zhang
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China.,Key Laboratory of Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Lele Miao
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China.,Key Laboratory of Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Zhijian Ren
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China.,Key Laboratory of Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Futian Tang
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China.,Key Laboratory of Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Yumin Li
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China.,Key Laboratory of Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
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Jiang N, An J, Yang K, Liu J, Guan C, Ma C, Tang X. NLRP3 Inflammasome: A New Target for Prevention and Control of Osteoporosis? Front Endocrinol (Lausanne) 2021; 12:752546. [PMID: 34646239 PMCID: PMC8502943 DOI: 10.3389/fendo.2021.752546] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 09/13/2021] [Indexed: 01/10/2023] Open
Abstract
Osteoporosis is a systemic bone metabolism disease that often causes complications, such as fractures, and increases the risk of death. The nucleotide-binding oligomerization domain-like-receptor family pyrin domain-containing 3 (NLRP3) inflammasome is an intracellular multiprotein complex that regulates the maturation and secretion of Caspase-1 dependent proinflammatory cytokines interleukin (IL)-1β and IL-18, mediates inflammation, and induces pyroptosis. The chronic inflammatory microenvironment induced by aging or estrogen deficiency activates the NLRP3 inflammasome, promotes inflammatory factor production, and enhances the inflammatory response. We summarize the related research and demonstrate that the NLRP3 inflammasome plays a vital role in the pathogenesis of osteoporosis by affecting the differentiation of osteoblasts and osteoclasts. IL-1β and IL-18 can accelerate osteoclast differentiation by expanding inflammatory response, and can also inhibit the expression of osteogenic related proteins or transcription factors. In vivo and in vitro experiments showed that the overexpression of NLRP3 protein was closely related to aggravated bone resorption and osteogenesis deficiency. In addition, abnormal activation of NLRP3 inflammasome can not only produce inflammation, but also lead to pyroptosis and dysfunction of osteoblasts by upregulating the expression of Caspase-1 and gasdermin D (GSDMD). In conclusion, NLRP3 inflammasome overall not only accelerates bone resorption, but also inhibits bone formation, thus increasing the risk of osteoporosis. Thus, this review highlights the recent studies on the function of NLRP3 inflammasome in osteoporosis, provides information on new strategies for managing osteoporosis, and investigates the ideal therapeutic target to treat osteoporosis.
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Affiliation(s)
- Na Jiang
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Jinyang An
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Kuan Yang
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Jinjin Liu
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Conghui Guan
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Chengxu Ma
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Xulei Tang
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, China
- *Correspondence: Xulei Tang,
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Cytokine release syndrome: inhibition of pro-inflammatory cytokines as a solution for reducing COVID-19 mortality. Eur Cytokine Netw 2020; 31:81-93. [PMID: 33361013 PMCID: PMC7792554 DOI: 10.1684/ecn.2020.0451] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Coronavirus disease (COVID-19) reached pandemic proportions at the beginning of 2020 and continues to be a worldwide concern. End organ damage and acute respiratory distress syndrome are the leading causes of death in severely or critically ill patients. The elevated cytokine levels in severe patients in comparison with mildly affected patients suggest that cytokine release syndrome (CRS) occurs in the severe form of the disease. In this paper, the significant role of pro-inflammatory cytokines, including IL-1, IL-6, and TNF-alpha, and their mechanism of action in the CRS cascade is explained. Potential therapeutic approaches involving anti-IL-6 and anti-TNF-alpha antibodies to fight COVID-19 and reduce mortality rate in severe cases are also discussed.
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30
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Azimzadeh Irani M, Ejtehadi MR. Glycan-mediated functional assembly of IL-1RI: structural insights into completion of the current description for immune response. J Biomol Struct Dyn 2020; 40:2575-2585. [PMID: 33124956 DOI: 10.1080/07391102.2020.1841027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Interleukin 1 Receptor type I (IL-1RI) is a multi-domain transmembrane receptor that triggers the inflammatory response. Understanding its detailed mechanism of action is crucial for treating immune disorders. IL-1RI is activated upon formation of its functional assembly that occurs by binding of the IL-1 cytokine and the accessory protein (Il-1RAcP) to it. X-ray crystallography, small-Angle X-ray Scattering and molecular dynamics simulation studies showed that IL-1RI adopts two types of 'compact' and 'extended' conformational states in its dynamical pattern. Furthermore, glycosylation has shown to play a critical role in its activation process. Here, classical and accelerated atomistic molecular dynamics were carried out to examine the role of full glycosylation of IL-1RI and IL-1RAcP in arrangement of the functional assembly. Simulations showed that the 'compact' and 'extended' IL-1RI form two types of 'cytokine-inaccessible-non-signaling' and 'cytokine-accessible-signaling' assemblies with the IL-1RacP, respectively that are both abiding in the presence of glycans. Suggesting that the cytokine binding to IL-1RI is not required for the formation of IL-1RI-IL-1RAcP complex and the 'compact' complex could act as a down-regulatory mechanism. The 'extended' complex is maintained by formation of several persistent hydrogen bonds between the IL-1RI-IL-1RAcP inter-connected glycans. Taken together, it was shown that full glycosylation regulates formation of the IL-1RI functional assembly and play critical role in cytokine biding and triggering the IL-1RI involved downstream pathways in the cell.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Maryam Azimzadeh Irani
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
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31
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Sohn KM, Lee SG, Kim HJ, Cheon S, Jeong H, Lee J, Kim IS, Silwal P, Kim YJ, Paik S, Chung C, Park C, Kim YS, Jo EK. COVID-19 Patients Upregulate Toll-like Receptor 4-mediated Inflammatory Signaling That Mimics Bacterial Sepsis. J Korean Med Sci 2020; 35:e343. [PMID: 32989935 PMCID: PMC7521960 DOI: 10.3346/jkms.2020.35.e343] [Citation(s) in RCA: 131] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 09/08/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Observational studies of the ongoing coronavirus disease 2019 (COVID-19) outbreak suggest that a 'cytokine storm' is involved in the pathogenesis of severe illness. However, the molecular mechanisms underlying the altered pathological inflammation in COVID-19 are largely unknown. We report here that toll-like receptor (TLR) 4-mediated inflammatory signaling molecules are upregulated in peripheral blood mononuclear cells (PBMCs) from COVID-19 patients, compared with healthy controls (HC). METHODS A total of 48 subjects including 28 COVID-19 patients (8 severe/critical vs. 20 mild/moderate cases) admitted to Chungnam National University Hospital, and age/sex-matched 20 HC were enrolled in this study. PBMCs from the subjects were processed for nCounter Human Immunology gene expression assay to analyze the immune related transcriptome profiles. Recombinant proteins of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) were used to stimulate the PBMCs and monocyte-derived macrophages, and real-time polymerase chain reaction was performed to quantify the mRNA expressions of the pro-inflammatory cytokines/chemokines. RESULTS Among the most highly increased inflammatory mediators in severe/critically ill patients, S100A9, an alarmin and TLR4 ligand, was found as a noteworthy biomarker, because it inversely correlated with the serum albumin levels. We also observed that recombinant S2 and nucleocapsid proteins of SARS-CoV-2 significantly increased pro-inflammatory cytokines/chemokines and S100A9 in human primary PBMCs. CONCLUSION These data support a link between TLR4 signaling and pathological inflammation during COVID-19 and contribute to develop therapeutic approaches through targeting TLR4-mediated inflammation.
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Affiliation(s)
- Kyung Mok Sohn
- Division of Infectious Diseases, Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Korea
| | - Sung Gwon Lee
- School of Biological Sciences and Technology, Chonnam National University, Gwangju, Korea
| | - Hyeon Ji Kim
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Shinhyea Cheon
- Division of Infectious Diseases, Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Korea
| | - Hyeongseok Jeong
- Division of Infectious Diseases, Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Korea
| | - Jooyeon Lee
- Division of Infectious Diseases, Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Korea
| | - In Soo Kim
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea
- Infection Control Convergence Research Center, Chungnam National University School of Medicine, Daejeon, Korea
| | - Prashanta Silwal
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea
- Infection Control Convergence Research Center, Chungnam National University School of Medicine, Daejeon, Korea
| | - Young Jae Kim
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea
- Infection Control Convergence Research Center, Chungnam National University School of Medicine, Daejeon, Korea
| | - Seungwha Paik
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea
- Infection Control Convergence Research Center, Chungnam National University School of Medicine, Daejeon, Korea
| | - Chaeuk Chung
- Division of Pulmonary and Critical Care, Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Korea
| | - Chungoo Park
- School of Biological Sciences and Technology, Chonnam National University, Gwangju, Korea.
| | - Yeon Sook Kim
- Division of Infectious Diseases, Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Korea.
| | - Eun Kyeong Jo
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea
- Infection Control Convergence Research Center, Chungnam National University School of Medicine, Daejeon, Korea.
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32
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Nunes CDR, Barreto Arantes M, Menezes de Faria Pereira S, Leandro da Cruz L, de Souza Passos M, Pereira de Moraes L, Vieira IJC, Barros de Oliveira D. Plants as Sources of Anti-Inflammatory Agents. Molecules 2020; 25:E3726. [PMID: 32824133 PMCID: PMC7465135 DOI: 10.3390/molecules25163726] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/29/2020] [Accepted: 08/05/2020] [Indexed: 02/08/2023] Open
Abstract
Plants represent the main source of molecules for the development of new drugs, which intensifies the interest of transnational industries in searching for substances obtained from plant sources, especially since the vast majority of species have not yet been studied chemically or biologically, particularly concerning anti-inflammatory action. Anti-inflammatory drugs can interfere in the pathophysiological process of inflammation, to minimize tissue damage and provide greater comfort to the patient. Therefore, it is important to note that due to the existence of a large number of species available for research, the successful development of new naturally occurring anti-inflammatory drugs depends mainly on a multidisciplinary effort to find new molecules. Although many review articles have been published in this regard, the majority presented the subject from a limited regional perspective. Thus, the current article presents highlights from the published literature on plants as sources of anti-inflammatory agents.
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Affiliation(s)
- Clara dos Reis Nunes
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Mariana Barreto Arantes
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Silvia Menezes de Faria Pereira
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Larissa Leandro da Cruz
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Michel de Souza Passos
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, UniversidadeEstadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (M.d.S.P.); (I.J.C.V.)
| | - Luana Pereira de Moraes
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, UniversidadeEstadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (M.d.S.P.); (I.J.C.V.)
| | - Daniela Barros de Oliveira
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
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Xie K, Kong S, Li F, Zhang Y, Wang J, Zhao W. Bioinformatics-Based Study to Investigate Potential Differentially Expressed Genes and miRNAs in Pediatric Sepsis. Med Sci Monit 2020; 26:e923881. [PMID: 32575108 PMCID: PMC7331480 DOI: 10.12659/msm.923881] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Sepsis is an extremely common health issue with a considerable mortality rate in children. Our understanding about the pathogenic mechanisms of sepsis is limited. The aim of this study was to identify the differential expression genes (DEGs) in pediatric sepsis through comprehensive analysis, and to provide specific insights for the clinical sepsis therapies in children. MATERIAL AND METHODS Three pediatric gene expression profiles (GSE25504, GSE26378, GSE26440) were downloaded from the Gene Expression Omnibus (GEO) database. The difference expression genes (DEGs) between pediatric sepsis and normal control group were screened with the GEO2R online tool. The Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses of the DEGs were performed. Cytoscape with CytoHubba were used to identify the hub genes. Finally, NetworkAnalyst was used to construct the targeted microRNAs (miRNAs) of the hub genes. RESULTS Totally, 160 overlapping upward genes and 61 downward genes were identified. In addition, 5 KEGG pathways, including hematopoietic cell lineage, Staphylococcus aureus infection, starch and sucrose metabolism, osteoclast differentiation, and tumor necrosis factor (TNF) signaling pathway, were significantly enriched using a database for labeling, visualization, and synthetic discovery. In combination with the results of the protein-protein interaction (PPI) network and CytoHubba, 9 hub genes including ITGAM, TLR8, IL1ß, MMP9, MPO, FPR2, ELANE, SPI1, and C3AR1 were selected. Combined with DEG-miRNAs visualization, 5 miRNAs, including has-miR-204-5p, has-miR-211-5p, has-miR-590-5p, and has-miR-21-5p, were predicted as possibly the key miRNAs. CONCLUSIONS Our findings will contribute to identification of potential biomarkers and novel strategies for pediatric sepsis treatment.
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Affiliation(s)
- Kexin Xie
- Laboratory Department, Dali University, Dali, Yunnan, China (mainland)
| | - Shan Kong
- Laboratory Department, Dali University, Dali, Yunnan, China (mainland)
| | - Fuxing Li
- Laboratory Department, Dali University, Dali, Yunnan, China (mainland)
| | - Yulin Zhang
- Laboratory Department, Dali University, Dali, Yunnan, China (mainland)
| | - Jing Wang
- School of Clinical Medicine, Dali University, Dali, Yunnan, China (mainland)
| | - Weidong Zhao
- Laboratory Department, Dali University, Dali, Yunnan, China (mainland)
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Kutlu Z, Celik M, Bilen A, Halıcı Z, Yıldırım S, Karabulut S, Karakaya S, Bostanlık DF, Aydın P. Effects of umbelliferone isolated from the Ferulago pauciradiata Boiss. & Heldr. Plant on cecal ligation and puncture-induced sepsis model in rats. Biomed Pharmacother 2020; 127:110206. [PMID: 32407990 DOI: 10.1016/j.biopha.2020.110206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 04/21/2020] [Accepted: 04/28/2020] [Indexed: 12/15/2022] Open
Abstract
Sepsis is a pathophysiological event involving systemic inflammatory response syndrome, multiple organ failure syndromes, and tissue damage. Overproduction of free radicals as a result of tissue damage during sepsis contributes to cellular toxicity, organ failure, and even mortality. Antioxidants, which scavenge free radicals, play a protective role against various diseases. Previous studies have shown that umbelliferone (UF) has antioxidant and anti-inflammatory effects. Since oxidative stress is naturally associated with sepsis-induced organ dysfunction, the application of antioxidant compounds could potentially illuminate the pathophysiology of sepsis, which does not yet have an effective treatment. The sepsis model induced by cecal ligation and puncture (CLP) was applied to rats. Different doses of UF (10░mg/kg, 20░mg/kg, and 40░mg/kg) on oxidant-antioxidant in septic rats, mRNA of inflammatory mediators such as tumor necrosis factor- α (TNF-α) and interleukin (IL)-1 its effects on expression levels were evaluated in lung, kidney, and liver tissues. When the lung, kidney, and liver tissues of septic rats were compared with those of the control group, it was found that UF administration increased dose-dependent superoxide dismutase activity and glutathione levels and significantly decreased malondialdehyde levels. The effects of UF administration on oxidative parameters were dose-dependent. The 40░mg/kg UF dose showed greater anti-oxidative properties than the 20░mg/kg and 10░mg/kg doses for all the evaluated parameters. Further, the TNF- α mRNA expression of the CLP +40░mg/kg group was reduced to a level comparable to that of the control group. UF has been found to be an effective molecule in reducing oxidative stress by supporting endogenous antioxidants and enhancing the scavenging effects of free radicals. The potent antioxidant property of UF may also be related to the suppression of the cytokine cascade during sepsis. The results suggest that UF administration may represent a new treatment for the prevention of lung, kidney and liver damage caused by septic conditions.
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Affiliation(s)
- Z Kutlu
- Department of Biochemistry, Faculty of Pharmacy, Atatürk University, Erzurum, 25240, Turkey.
| | - M Celik
- Department of Biochemistry, Faculty of Medicine, Atatürk University, Erzurum, 25240, Turkey.
| | - A Bilen
- Department of Internal Medicine, Faculty of Medicine, Atatürk University, Erzurum, 25240, Turkey.
| | - Z Halıcı
- Faculty of Medicine, Department of Pharmacology, Atatürk University, Erzurum, 25240, Turkey; Clinical Research, Development and Design Application and Research Center, Ataturk University, 25240, Erzurum, Turkey.
| | - S Yıldırım
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, 25240, Turkey.
| | - S Karabulut
- Health Services Vocational School, Bayburt University, Bayburt, 69000, Turkey.
| | - S Karakaya
- Department of Pharmacognosy, Faculty of Pharmacy, Ataturk University, Erzurum, 25240, Turkey.
| | | | - P Aydın
- Department of Anesthesia, Regional Education and Research Hospital, Erzurum, 25240, Turkey.
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Shao R, Yang Y, Zhang Y, Zhao S, Zheng Z, Chen G. The expression of thioredoxin-1 and inflammatory cytokines in patients with sepsis. Immunopharmacol Immunotoxicol 2020; 42:280-285. [PMID: 32326777 DOI: 10.1080/08923973.2020.1755309] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ruifei Shao
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Yan Yang
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Yixin Zhang
- The Emergency Intensive Care Unit, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Shimin Zhao
- The Emergency Intensive Care Unit, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Zhirong Zheng
- The Emergency Intensive Care Unit, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Guobing Chen
- Medical School, Kunming University of Science and Technology, Kunming, China
- The Emergency Intensive Care Unit, The First People’s Hospital of Yunnan Province, Kunming, China
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36
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Crosstalk between Dendritic Cells and Immune Modulatory Agents against Sepsis. Genes (Basel) 2020; 11:genes11030323. [PMID: 32197507 PMCID: PMC7140865 DOI: 10.3390/genes11030323] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/06/2020] [Accepted: 03/16/2020] [Indexed: 12/22/2022] Open
Abstract
Dendritic cells (DCs) play a critical role in the immune system which sense pathogens and present their antigens to prime the adaptive immune responses. As the progression of sepsis occurs, DCs are capable of orchestrating the aberrant innate immune response by sustaining the Th1/Th2 responses that are essential for host survival. Hence, an in-depth understanding of the characteristics of DCs would have a beneficial effect in overcoming the obstacle occurring in sepsis. This paper focuses on the role of DCs in the progression of sepsis and we also discuss the reverse sepsis-induced immunosuppression through manipulating the DC function. In addition, we highlight some potent immunotherapies that could be used as a novel strategy in the early treatment of sepsis.
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Zhang YF, Sun CC, Duan JX, Yang HH, Zhang CY, Xiong JB, Zhong WJ, Zu C, Guan XX, Jiang HL, Hammock BD, Hwang SH, Zhou Y, Guan CX. A COX-2/sEH dual inhibitor PTUPB ameliorates cecal ligation and puncture-induced sepsis in mice via anti-inflammation and anti-oxidative stress. Biomed Pharmacother 2020; 126:109907. [PMID: 32114358 DOI: 10.1016/j.biopha.2020.109907] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 12/31/2019] [Accepted: 12/31/2019] [Indexed: 12/14/2022] Open
Abstract
Arachidonic acid can be metabolized to prostaglandins and epoxyeicosatrienoic acids (EETs) by cyclooxygenase-2 (COX-2) and cytochrome P450 (CYP), respectively. While protective EETs are degraded by soluble epoxide hydrolase (sEH) very fast. We have reported that dual inhibition of COX-2 and sEH with specific inhibitor PTUPB shows anti-pulmonary fibrosis and renal protection. However, the effect of PTUPB on cecal ligation and puncture (CLP)-induced sepsis remains unclear. The current study aimed to investigate the protective effects of PTUPB against CLP-induced sepsis in mice and the underlying mechanisms. We found that COX-2 expressions were increased, while CYPs expressions were decreased in the liver, lung, and kidney of mice undergone CLP. PTUPB treatment significantly improved the survival rate, reduced the clinical scores and systemic inflammatory response, alleviated liver and kidney dysfunction, and ameliorated the multiple-organ injury of the mice with sepsis. Besides, PTUPB treatment reduced the expression of hypoxia-inducible factor-1α in the liver, lung, and kidney of septic mice. Importantly, we found that PTUPB treatment suppressed the activation of NLRP3 inflammasome in the liver and lung of septic mice. Meanwhile, we found that PTUPB attenuated the oxidative stress, which contributed to the activation of NLRP3 inflammasome. Altogether, our data, for the first time, demonstrate that dual inhibition of COX-2 and sEH with PTUPB ameliorates the multiple organ dysfunction in septic mice.
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Affiliation(s)
- Yan-Feng Zhang
- Department of Cardiovascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China
| | - Chen-Chen Sun
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
| | - Jia-Xi Duan
- Department of Pulmonary and Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Research Unit of Respiratory Disease, Central South University, Changsha, Hunan 410011, China; Hunan Diagnosis and Treatment Center of Respiratory Disease, Central South University, Changsha, Hunan 410011, China
| | - Hui-Hui Yang
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
| | - Chen-Yu Zhang
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
| | - Jian-Bing Xiong
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
| | - Wen-Jing Zhong
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
| | - Cheng Zu
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
| | - Xin-Xin Guan
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
| | - Hui-Ling Jiang
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
| | - Bruce D Hammock
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, CA 95616, USA
| | - Sung Hee Hwang
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, CA 95616, USA
| | - Yong Zhou
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China.
| | - Cha-Xiang Guan
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China.
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38
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Tao Z, Wang J, Wen K, Yao R, Da W, Zhou S, Meng Y, Qiu S, Yang K, Zhu Y, Tao L. Pyroptosis in Osteoblasts: A Novel Hypothesis Underlying the Pathogenesis of Osteoporosis. Front Endocrinol (Lausanne) 2020; 11:548812. [PMID: 33488513 PMCID: PMC7821870 DOI: 10.3389/fendo.2020.548812] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022] Open
Abstract
Osteoporosis has become a worldwide disease characterized by a reduction in bone mineral density and the alteration of bone architecture leading to an increased risk of fragility fractures. And an increasing number of studies have indicated that osteoblasts undergo a large number of programmed death events by many different causes in osteoporosis and release NLRP3 and interleukin (e.g., inflammatory factors), which play pivotal roles in contributing to excessive differentiation of osteoclasts and result in exaggerated bone resorption. NLRP3 is activated during pyroptosis and processes the precursors of IL-1β and IL-18 into mature forms, which are released into the extracellular milieu accompanied by cell rupture. All of these compounds are the classical factors of pyroptosis. The cellular effects of pyroptosis are commonly observed in osteoporosis. Although many previous studies have focused on the pathogenesis of these inflammatory factors in osteoporosis, pyroptosis has not been previously evaluated. In this review, pyroptosis is proposed as a novel hypothesis of osteoporosis pathogenesis for the first time, thus providing a new direction for the treatment of osteoporosis in the future.
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Affiliation(s)
- Zhengbo Tao
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Jinpeng Wang
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Kaicheng Wen
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Renqi Yao
- Department of Burn Surgery, Changhai Hospital, the Naval Medical University, Shanghai, China
| | - Wacili Da
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Siming Zhou
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yan Meng
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Shui Qiu
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Keda Yang
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yue Zhu
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Lin Tao
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, China
- *Correspondence: Lin Tao,
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Ge Y, Huang M, Wu Y, Dong N, Yao YM. Interleukin-38 protects against sepsis by augmenting immunosuppressive activity of CD4 + CD25 + regulatory T cells. J Cell Mol Med 2019; 24:2027-2039. [PMID: 31880383 PMCID: PMC6991686 DOI: 10.1111/jcmm.14902] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 09/22/2019] [Accepted: 10/27/2019] [Indexed: 01/14/2023] Open
Abstract
Naturally occurring CD4+ CD25+ regulatory T cells (Tregs) are required to limit immune-induced pathology and to maintain homeostasis during the early-phase of sepsis. This study aimed to investigate the role of interleukin (IL)-38, a newly described member of the IL-1 cytokine family, in mediated immune response of CD4+ CD25+ Tregs in sepsis. Here, we provide evidence that expressions of IL-38 and its receptor were detected in murine CD4+ CD25+ Tregs. Stimulation of CD4+ CD25+ Tregs with LPS markedly up-regulated the expression of IL-38. Treatment with rmIL-38 dramatically enhanced the immunosuppressive activity of CD4+ CD25+ Tregs after LPS stimulation and in septic mice induced by CLP, resulting in amplification of helper T cell (Th) 2 response and reduction in the proliferation of effector T cells. These effects were robustly abrogated when anti-IL-38 antibody was administered. Administration of rmIL-38 improved the survival rate of CLP mice. In addition, CD4+ CD25+ Tregs depletion before the onset of sepsis obviously abolished IL-38-mediated protective response. These findings suggest that IL-38 enhances the immunosuppressive activity of CD4+ CD25+ Tregs, which might contribute to the improvement of host immune function and prognosis in the setting of sepsis.
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Affiliation(s)
- Yun Ge
- Department of General Intensive Care Unit, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Man Huang
- Department of General Intensive Care Unit, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Yao Wu
- Trauma Research Center, Fourth Medical Center of The Chinese PLA General Hospital, Beijing, China
| | - Ning Dong
- Trauma Research Center, Fourth Medical Center of The Chinese PLA General Hospital, Beijing, China
| | - Yong-Ming Yao
- Department of General Intensive Care Unit, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China.,Trauma Research Center, Fourth Medical Center of The Chinese PLA General Hospital, Beijing, China.,State Key Laboratory of Kidney Disease, The Chinese PLA General Hospital, Beijing, China
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40
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Conway EM. Thrombin: Coagulation's master regulator of innate immunity. J Thromb Haemost 2019; 17:1785-1789. [PMID: 31429203 DOI: 10.1111/jth.14586] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 07/24/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Edward M Conway
- Centre for Blood Research, Life Sciences Institute, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
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41
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miR-23b Negatively Regulates Sepsis-Induced Inflammatory Responses by Targeting ADAM10 in Human THP-1 Monocytes. Mediators Inflamm 2019; 2019:5306541. [PMID: 31780861 PMCID: PMC6875296 DOI: 10.1155/2019/5306541] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 09/08/2019] [Accepted: 09/12/2019] [Indexed: 12/15/2022] Open
Abstract
Background Previous studies have demonstrated pivotal roles of disintegrin and metalloproteinase 10 (ADAM10) in the pathogenesis of sepsis. MicroRNA- (miR-) 23b has emerged as an anti-inflammatory factor that prevents multiple autoimmune diseases. However, the underlying mechanisms of miR-23b in the regulation of ADAM10 and sepsis remain uncharacterized. Methods The expression levels of ADAM10 and miR-23b were detected by quantitative RT-PCR and western blot analysis. Cytokine production and THP-1 cell apoptosis were measured by enzyme-linked immunosorbent and annexin V apoptosis assays. Bioinformatics analyses and qRT-PCR, western blot, and luciferase reporter assays were performed to identify ADAM10 as the target gene of miR-23b. Results miR-23b expression was downregulated in the peripheral blood mononuclear cells of sepsis patients and LPS-induced THP-1 cells and was negatively correlated with the expression of ADAM10 and inflammatory cytokines. miR-23b regulated ADAM10 expression by directly binding to the 3′-UTR of ADAM10 mRNA. The overexpression of miR-23b alleviated the LPS-stimulated production of inflammatory cytokines (TNF-α, IL-1β, and IL-6) and apoptosis by targeting ADAM10 in THP-1 cells. The inhibitor or knockdown of ADAM10 elicited effects similar to those of miR-23b on THP-1 cells upon LPS stimulation. Conclusions The present study demonstrated that miR-23b negatively regulated LPS-induced inflammatory responses by targeting ADAM10. The molecular regulatory mechanism of miR-23b in ADAM10 expression and sepsis-induced inflammatory consequences may provide potential therapeutic targets for sepsis.
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