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Zhou W, Fan M, Li X, Yu F, Zhou E, Han X. Molecular mechanism of Xuebijing in treating pyogenic liver abscess complicated with sepsis. World J Emerg Med 2024; 15:35-40. [PMID: 38188548 PMCID: PMC10765075 DOI: 10.5847/wjem.j.1920-8642.2024.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 11/28/2023] [Indexed: 01/09/2024] Open
Abstract
BACKGROUND Xuebijing (XBJ) can alleviate the inflammatory response, improve organ function, and shorten the intensive care unit (ICU) stay in patients with pyogenic liver abscess (PLA) complicated with sepsis, but the molecular mechanisms have not been elucidated. This study aimed to explore the molecular mechanism of XBJ in treating PLA complicated with sepsis using a network pharmacology approach. METHODS The active ingredients and targets of XBJ were retrieved from the ETCM database. Potential targets related to PLA and sepsis were retrieved from the GeneCards, PharmGKB, DisGeNet, Online Mendelian Inheritance in Man (OMIM), Therapeutic Targets Database (TTD), and DrugBank databases. The targets of PLA complicated with sepsis were mapped to the targets of XBJ to identify potential treatment targets. Protein-protein interaction networks were analyzed using the STRING database. Potential treatment targets were imported into the Metascape platform for Gene Ontology (GO) functional enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses. Molecular docking was performed to validate the interactions between active ingredients and core targets. RESULTS XBJ was found to have 54 potential treatment targets for PLA complicated with sepsis. Interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor (TNF) were identified as core targets. KEGG enrichment analysis revealed important pathways, including the interleukin-17 (IL-17) signaling pathway, the TNF signaling pathway, the nuclear factor-kappa B (NF-κB) signaling pathway, and the Toll-like receptor (TLR) signaling pathway. Molecular docking experiments indicated stable binding between XBJ active ingredients and core targets. CONCLUSION XBJ may exert therapeutic effects on PLA complicated with sepsis by modulating signaling pathways, such as the IL-17, TNF, NF-κB, and TLR pathways, and targeting IL-1β, IL-6, and TNF.
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Affiliation(s)
- Wei Zhou
- Department of Emergency Medicine, the First Affiliated Hospital of Hunan Normal University/ Hunan Provincial People’s Hospital, Changsha 410005, China
| | - Maiying Fan
- Department of Emergency Medicine, the First Affiliated Hospital of Hunan Normal University/ Hunan Provincial People’s Hospital, Changsha 410005, China
| | - Xiang Li
- Department of Emergency Medicine, the First Affiliated Hospital of Hunan Normal University/ Hunan Provincial People’s Hospital, Changsha 410005, China
| | - Fang Yu
- Department of Emergency Medicine, the First Affiliated Hospital of Hunan Normal University/ Hunan Provincial People’s Hospital, Changsha 410005, China
| | - En Zhou
- Department of Otolaryngology-head and Neck Surgery, the First Affiliated Hospital of Hunan Normal University/Hunan Provincial People’s Hospital, Changsha 410005, China
| | - Xiaotong Han
- Department of Emergency Medicine, the First Affiliated Hospital of Hunan Normal University/ Hunan Provincial People’s Hospital, Changsha 410005, China
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Zülfikaroğlu B, Akkurt G, Akın M, İşman FK, Yastı AÇ, Özmen MM. Role of serum levels of tumour necrosis factor-like weak inducer of apoptosis (TWEAK) in predicting severity of acute appendicitis. Turk J Surg 2023; 39:121-127. [PMID: 38026909 PMCID: PMC10681112 DOI: 10.47717/turkjsurg.2023.5747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 03/23/2023] [Indexed: 12/01/2023]
Abstract
Objectives One of the most prevalent abdominal crises is acute appendicitis (AA). Clinical diagnosis, even for skilled surgeons, is frequently challenging, as indicated by the high proportion of negative investigations. The purpose of this study was to see if serum TWEAK levels might be used to diagnose acute appendicitis. Material and Methods Between June 2017 and May 2019, all patients who had surgery with the original diagnosis of AA were included in the study. TWEAK, WBC, CRP, and bilirubin levels were compared. Results The levels of WBC, CRP, and bilirubin were compared to pathology. All three blood indicators increased significantly in AA patients. However, no statistically significant difference in the levels of all three blood indicators was seen between individuals with simple AA and those with severe AA. TWEAK plasma concentrations were considerably greater in patients with severe AA than in the healthy control and NAA groups. TWEAK levels were significantly greater in individuals with severe AA compared to patients with simple AA. Conclusion Serum TWEAK levels that are elevated may be used to diagnose acute appendicitis as well as prognostic indicators for the severity of appendicitis.
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Affiliation(s)
- Barış Zülfikaroğlu
- Clinic of General Surgery, Ankara Numune Training and Research Hospital, Ankara, Türkiye
| | - Gökhan Akkurt
- Clinic of General Surgery, Ankara Numune Training and Research Hospital, Ankara, Türkiye
| | - Merve Akın
- Clinic of General Surgery, Ankara Numune Training and Research Hospital, Ankara, Türkiye
| | - Ferruh Kemal İşman
- Clinic of Clinical Chemistry, Göztepe Training and Research Hospital, İstanbul, Türkiye
| | - Ahmet Çınar Yastı
- Clinic of General Surgery, Ankara Numune Training and Research Hospital, Ankara, Türkiye
| | - Mehmet Mahir Özmen
- Department of Surgery, İstinye University Faculty of Medicine, İstanbul, Türkiye
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Zhang C, Shang X, Yuan Y, Li Y. Platelet‑related parameters as potential biomarkers for the prognosis of sepsis. Exp Ther Med 2023; 25:133. [PMID: 36845958 PMCID: PMC9947577 DOI: 10.3892/etm.2023.11832] [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: 08/17/2022] [Accepted: 01/11/2023] [Indexed: 02/12/2023] Open
Abstract
Early diagnosis and accurate prognosis are key for reducing the fatality rate and medical expenses associated with sepsis. Platelets are involved in the delayed tissue injury that occurs during sepsis. Therefore, the aim of the present study was to investigate the usefulness of platelets and associated parameters as prognostic markers of sepsis. The present study collected patient samples based on The Third International Consensus Definitions for Sepsis and Septic Shock criteria. Platelet-associated parameters were detected by flow cytometry and their correlation with clinical scores and prognoses was analyzed. Considering the association between endothelial cells and platelet activation, levels of plasma tumor necrosis factor-like weak inducer of apoptosis (TWEAK) and angiopoietin-2 (Ang-2) were analyzed by ELISA. The results showed significant differences in platelet P-selectin expression and phosphatidylserine exposure, mitochondrial membrane potential (Mmp)-Index values and plasma levels of TWEAK and Ang-2 between patients and healthy controls (P<0.05). Except for P-selectin and TWEAK levels, all parameters were correlated with clinical scores (acute physiology and chronic health evaluation II and sequential/sepsis-related organ failure assessment). Additionally, platelet Mmp-Index between admission and the end of therapy was only different in non-survivors (P<0.001) and platelet phosphatidylserine exposure was significantly lower in survivors (P=0.006). Therefore, of the parameters tested, the dynamic monitoring of phosphatidylserine exposure, platelet Mmp-Index values and plasma Ang-2 levels had the most potential for the assessment of disease severity and clinical outcomes.
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Affiliation(s)
- Chao Zhang
- Hebei Key Laboratory of Nerve Injury and Repair, Institute of Basic Medicine, Chengde Medical University, Chengde, Hebei 067000, P.R. China
| | - Xueyi Shang
- Department of Critical Care Medicine, The Fifth Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100071, P.R. China
| | - Yuan Yuan
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, P.R. China,Correspondence to: Dr Yuan Yuan, State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 20 Dongdajie Street, Fengtai, Beijing 100071, P.R. China
| | - Yan Li
- Department of Critical Care Medicine, The Fifth Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100071, P.R. China,Respiratory Department, Hebei Hua'Ao Hospital, Zhangjiakou, Hebei 075000, P.R. China,Correspondence to: Dr Yuan Yuan, State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 20 Dongdajie Street, Fengtai, Beijing 100071, P.R. China
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Lei W, Ren Z, Su J, Zheng X, Gao L, Xu Y, Deng J, Xiao C, Sheng S, Cheng Y, Ma T, Liu Y, Wang P, Luo OJ, Chen G, Wang Z. Immunological risk factors for sepsis-associated delirium and mortality in ICU patients. Front Immunol 2022; 13:940779. [PMID: 36203605 PMCID: PMC9531264 DOI: 10.3389/fimmu.2022.940779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 08/22/2022] [Indexed: 11/22/2022] Open
Abstract
Background A major challenge in intervention of critical patients, especially sepsis-associated delirium (SAD) intervention, is the lack of predictive risk factors. As sepsis and SAD are heavily entangled with inflammatory and immunological processes, to identify the risk factors of SAD and mortality in the intensive care unit (ICU) and determine the underlying molecular mechanisms, the peripheral immune profiles of patients in the ICU were characterized. Methods This study contains a cohort of 52 critical patients who were admitted to the ICU of the First Affiliated Hospital of Jinan University. Comorbidity, including sepsis and SAD, of this cohort was diagnosed and recorded. Furthermore, peripheral blood samples were collected on days 1, 3, and 5 of admission for peripheral immune profiling with blood routine examination, flow cytometry, ELISA, RNA-seq, and qPCR. Results The patients with SAD had higher mortality during ICU admission and within 28 days of discharge. Compared with survivors, nonsurvivors had higher neutrophilic granulocyte percentage, higher CRP concentration, lower monocyte count, lower monocyte percentage, lower C3 complement level, higher CD14loCD16+ monocytes percentage, and higher levels of IL-6 and TNFα. The CD14hiCD16- monocyte percentage manifested favorable prediction values for the occurrence of SAD. Differentially expressed genes between the nonsurvival and survival groups were mainly associated with immune response and metabolism process. The longitudinal expression pattern of SLC2A1 and STIMATE were different between nonsurvivors and survivors, which were validated by qPCR. Conclusions Nonsurvival critical patients have a distinct immune profile when compared with survival patients. CD14hiCD16- monocyte prevalence and expression levels of SLC2A1 and STIMATE may be predictors of SAD and 28-day mortality in ICU patients.
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Affiliation(s)
- Wen Lei
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
| | - Zhiyao Ren
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
- Department of Systems Biomedical Sciences, School of Medicine, Jinan University, Guangzhou, China
- National Health Commission (NHC) Key Laboratory of Male Reproduction and Genetics, Guangzhou, China
- Department of Central Laboratory, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, China
| | - Jun Su
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
- Department of Sonograph, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Xinglong Zheng
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
- Department of Critical Care Medicine, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Lijuan Gao
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
| | - Yudai Xu
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
| | - Jieping Deng
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
| | - Chanchan Xiao
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
| | - Shuai Sheng
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
| | - Yu Cheng
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
| | - Tianshun Ma
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
| | - Yu Liu
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
| | - Pengcheng Wang
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
| | - Oscar Junhong Luo
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
- Department of Systems Biomedical Sciences, School of Medicine, Jinan University, Guangzhou, China
- *Correspondence: Zhigang Wang, ; Guobing Chen, ; Oscar Junhong Luo,
| | - Guobing Chen
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, China
- Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
- Department of Sonograph, The First Affiliated Hospital, Jinan University, Guangzhou, China
- *Correspondence: Zhigang Wang, ; Guobing Chen, ; Oscar Junhong Luo,
| | - Zhigang Wang
- Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Jinan University, Guangzhou, China
- Department of Critical Care Medicine, The First Affiliated Hospital, Jinan University, Guangzhou, China
- *Correspondence: Zhigang Wang, ; Guobing Chen, ; Oscar Junhong Luo,
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Kyriakoudi A, Rovina N, Koltsida O, Kostakou E, Konstantelou E, Kardara M, Kompoti M, Palamidas A, Kaltsakas G, Koutsoukou A. Weaning Failure in Critically Ill Patients Is Related to the Persistence of Sepsis Inflammation. Diagnostics (Basel) 2021; 12:diagnostics12010092. [PMID: 35054259 PMCID: PMC8774440 DOI: 10.3390/diagnostics12010092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/16/2021] [Accepted: 12/25/2021] [Indexed: 12/02/2022] Open
Abstract
Introduction: Septic patients undergoing mechanical ventilation (MV) often experience difficulty in weaning. Th aim of this study was to determine whether inflammatory biomarkers of sepsis could be indicative of the failure or success of spontaneous breathing trial (SBT) in these patients. Methods: Sixty-five patients on MV (42 septic and 23 intubated for other reasons) fulfilling the criteria for SBT were included in the study. Blood samples were collected right before, at the end of (30 min) and 24 h after the SBT. Serum inflammatory mediators associated with sepsis (IL-18, IL-18BP, TNF) were determined and correlated with the outcome of SBT. Results: A successful SBT was achieved in 45 patients (69.2%). Septic patients had a higher percentage of SBT failure as compared to non-septic patients (85% vs. 15%, p = 0.026), with an odds ratio for failing 4.5 times (OR = 4.5 95%CI: 1.16–17.68, p 0.022). IL-18 levels and the relative mRNA expression in serum were significantly higher in septic as compared to non-septic patients (p < 0.05). Sepsis was independently associated with higher serum IL-18 and TNF levels in two time-point GEE models (53–723, p = 0.023 and 0.3–64, p = 0.048, respectively). IL-18BP displayed independent negative association with rapid shallow breathing index (RSBI) (95% CI: −17.6 to −4, p = 0.002). Conclusion: Sustained increased levels of IL-18 and IL-18BP, acknowledged markers of sepsis, were found to be indicative of SBT failure in patients recovering from sepsis. Our results show that, although subclinical, remaining septic inflammation that sustaines for a long time complicates the weaning procedure. Biomarkers for the estimation of the septic burden and the right time for weaning are needed.
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Affiliation(s)
- Anna Kyriakoudi
- 1st Department of Respiratory Medicine, Medical School, National and Kapodistrian University of Athens and “Sotiria” Chest Disease Hospital, 11527 Athens, Greece; (A.K.); (O.K.); (E.K.); (E.K.); (A.P.); (G.K.); (A.K.)
| | - Nikoletta Rovina
- 1st Department of Respiratory Medicine, Medical School, National and Kapodistrian University of Athens and “Sotiria” Chest Disease Hospital, 11527 Athens, Greece; (A.K.); (O.K.); (E.K.); (E.K.); (A.P.); (G.K.); (A.K.)
- Correspondence: ; Tel.: +30-210-7763650
| | - Ourania Koltsida
- 1st Department of Respiratory Medicine, Medical School, National and Kapodistrian University of Athens and “Sotiria” Chest Disease Hospital, 11527 Athens, Greece; (A.K.); (O.K.); (E.K.); (E.K.); (A.P.); (G.K.); (A.K.)
| | - Eirini Kostakou
- 1st Department of Respiratory Medicine, Medical School, National and Kapodistrian University of Athens and “Sotiria” Chest Disease Hospital, 11527 Athens, Greece; (A.K.); (O.K.); (E.K.); (E.K.); (A.P.); (G.K.); (A.K.)
| | - Elissavet Konstantelou
- 1st Department of Respiratory Medicine, Medical School, National and Kapodistrian University of Athens and “Sotiria” Chest Disease Hospital, 11527 Athens, Greece; (A.K.); (O.K.); (E.K.); (E.K.); (A.P.); (G.K.); (A.K.)
| | - Matina Kardara
- 1st Department of Critical Care Medicine & Pulmonary Services, National and Kapodistrian University of Athens, Medical School, Evangelismos Hospital, 10676 Athens, Greece;
| | - Maria Kompoti
- Intensive Care Unit, General Hospital of Eleusis Thriasio, 13674 Athens, Greece;
| | - Anastasios Palamidas
- 1st Department of Respiratory Medicine, Medical School, National and Kapodistrian University of Athens and “Sotiria” Chest Disease Hospital, 11527 Athens, Greece; (A.K.); (O.K.); (E.K.); (E.K.); (A.P.); (G.K.); (A.K.)
| | - Georgios Kaltsakas
- 1st Department of Respiratory Medicine, Medical School, National and Kapodistrian University of Athens and “Sotiria” Chest Disease Hospital, 11527 Athens, Greece; (A.K.); (O.K.); (E.K.); (E.K.); (A.P.); (G.K.); (A.K.)
| | - Antonia Koutsoukou
- 1st Department of Respiratory Medicine, Medical School, National and Kapodistrian University of Athens and “Sotiria” Chest Disease Hospital, 11527 Athens, Greece; (A.K.); (O.K.); (E.K.); (E.K.); (A.P.); (G.K.); (A.K.)
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Georgescu AM, Banescu C, Azamfirei R, Hutanu A, Moldovan V, Badea I, Voidazan S, Dobreanu M, Chirtes IR, Azamfirei L. Evaluation of TNF-α genetic polymorphisms as predictors for sepsis susceptibility and progression. BMC Infect Dis 2020; 20:221. [PMID: 32171247 PMCID: PMC7071754 DOI: 10.1186/s12879-020-4910-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 02/19/2020] [Indexed: 12/12/2022] Open
Abstract
Background The goal of the study was to evaluate a potential role for tumor necrosis factor alpha (TNF-α) genetic variability as biomarker in sepsis. In particular, we aimed to determine if single nucleotide polymorphisms (SNPs) of TNF-α gene are associated with sepsis in terms of risk, severity and outcome. Methods We performed a prospective study on 163 adult critically ill septic patients (septic shock 65, sepsis 98, further divided in 40 survivors and 123 deceased) and 232 healthy controls. Genotyping of TNF-α SNPs (-308G/A, -238G/A, -376G/A and +489G/A) was performed for all patients and controls and plasma cytokine levels were measured during the first 24 h after sepsis onset. Results TNF-α +489G/A A-allele carriage was associated with significantly lower risk of developing sepsis and sepsis shock (AA+AG vs GG: OR = 0.53; p = 0.004; 95% CI = 0.34–0.82 and OR = 0.39; p = 0.003; 95% CI = 0.21–0.74, respectively) but not with sepsis-related outcomes. There was no significant association between any of the other TNF-α promoter SNPs, or their haplotype frequencies and sepsis or septic shock risk. Circulating TNF-α levels were higher in septic shock; they were not correlated with SNP genotype distribution; GG homozygosity for each polymorphism was correlated with higher TNF-α levels in septic shock. Conclusions TNF-α +489G/A SNP A-allele carriage may confer protection against sepsis and septic shock development but apparently does not influence sepsis-related mortality. Promoter TNF-α SNPs did not affect transcription and were not associated with distinct sepsis, septic shock risk or outcomes.
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Affiliation(s)
- Anca Meda Georgescu
- Infectious Diseases Clinic, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Claudia Banescu
- Genetics Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania.
| | - Razvan Azamfirei
- Johns Hopkins School of Medicine, Johns Hopkins University, 733 N Broadway, Baltimore, MD, 21202, USA
| | - Adina Hutanu
- Immunology Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Valeriu Moldovan
- Genetics Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Iudita Badea
- Department of Anesthesiology and Intensive Care, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Septimiu Voidazan
- Department of Epidemiology, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Minodora Dobreanu
- Immunology Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Ioana Raluca Chirtes
- Infectious Diseases Clinic, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Leonard Azamfirei
- Department of Anesthesiology and Intensive Care, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
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Ma S, Zhao ML, Wang K, Yue YF, Sun RQ, Zhang RM, Wang SF, Sun G, Xie HQ, Yu Y, Wang L, Zhang WP, Wang SJ, Zhu HC, Wang L. Association of Ang-2, vWF, and EVLWI with risk of mortality in sepsis patients with concomitant ARDS: A retrospective study. J Formos Med Assoc 2019; 119:950-956. [PMID: 31822372 DOI: 10.1016/j.jfma.2019.11.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 07/18/2019] [Accepted: 11/12/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND/PURPOSE This study aimed to determine the potential effects of angiopoietin-2 (Ang-2), von Willebrand factor (vWF), and extravascular lung water index (EVLWI) on the risk of mortality in sepsis patients with concomitant acute respiratory distress syndrome (ARDS). METHODS This retrospective study recruited 41 sepsis patients with concomitant ARDS from January 2015 to June 2018. Data of Ang-2 and vWF levels, EVLWI, and sequential organ failure assessment scores were collected at 0, 24, and 48 h after admission to the hospital. RESULTS The length of intensive care unit stay (P = 0.041) and Acute Physiology and Chronic Health Evaluation-2 (APACHE II) score (P = 0.003) were associated with the risk of mortality. Furthermore, increased Ang-2 levels and EVLWI at 24 h and 48 h were associated with an increased risk of mortality. Moreover, the APACHE II score at hospital admission significantly predicted the risk of mortality (area under the curve [AUC], 0.834; 95% confidence interval [CI], 0.665-0.983). Finally, the models containing a combination of Ang-2 level and EVLWI at 24 h (AUC, 0.908; 95% CI, 0.774-0.996) and Ang-2 level and EVLWI at 48 h (AUC, 0.981; 95% CI, 0.817-1.000) had high diagnostic values for predicting risk of mortality. CONCLUSION The study findings indicate that Ang-2 levels and EVLWI at 24 h and 48 h after admission are significantly associated with the risk of mortality.
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Affiliation(s)
- Shuang Ma
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Mei-Ling Zhao
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Kai Wang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China.
| | - Yi-Feng Yue
- Department of Anesthesiology, Zibo Central Hospital, Zibo, 255000, Shandong Province, China.
| | - Rong-Qing Sun
- Department of Critical Care Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China
| | - Ru-Min Zhang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Shi-Fu Wang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Guang Sun
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Hong-Qiang Xie
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Yong Yu
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Lin Wang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Wei-Ping Zhang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Shou-Jun Wang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Hong-Chang Zhu
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
| | - Lei Wang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, 255000, Shandong Province, China
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Serum Levels of miR-143 Predict Survival in Critically Ill Patients. DISEASE MARKERS 2019; 2019:4850472. [PMID: 31772686 PMCID: PMC6854254 DOI: 10.1155/2019/4850472] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 07/27/2019] [Accepted: 09/07/2019] [Indexed: 12/31/2022]
Abstract
Background and Aims Recent data suggested a potential role of miR-143 as a biomarker for systemic inflammation and infection. However, its role in critical illness and sepsis is only poorly understood. Methods We determined circulating levels of miR-143 in 218 critically ill patients, of which 135 fulfilled sepsis criteria, and compared them to 76 healthy controls. Results were correlated with clinical records. Results In the total cohort of critically ill patients from a medical intensive care unit (ICU), miR-143 serum levels tended to be lower compared to healthy control samples, but this difference did not reach statistical significance. In ICU patients, serum levels of miR-143 were independent of disease etiology, including the presence of sepsis, or severity of disease. Importantly, low miR-143 serum levels were associated with an unfavorable short- and long-term prognosis in ICU patients. Our study identified different optimal cut-off values at which low miR-143 serum levels predicted mortality with a high diagnostic accuracy. In line with this, concentrations of circulating miR-143 correlated with markers of organ failure such as creatinine, bilirubin, or lactate in our cohort of critically ill patients. Conclusion Low miR-143 serum levels are indicative for an unfavorable short- and long-term prognosis in critically ill patients admitted to a medical ICU. Our data suggest a previously unrecognized role for miR-143 measurements as a novel prognostic marker in critically ill patients.
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9
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Schenck EJ, Ma KC, Price DR, Nicholson T, Oromendia C, Gentzler ER, Sanchez E, Baron RM, Fredenburgh LE, Huh JW, Siempos II, Choi AM. Circulating cell death biomarker TRAIL is associated with increased organ dysfunction in sepsis. JCI Insight 2019; 4:127143. [PMID: 31045578 DOI: 10.1172/jci.insight.127143] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 04/02/2019] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND In sepsis, there may be dysregulation in programed cell death pathways, typified by apoptosis and necroptosis. Programmed cell death pathways may contribute to variability in the immune response. TRAIL is a potent inducer of apoptosis. Receptor-interacting serine/threonine protein kinase-3 (RIPK3) is integral to the execution of necroptosis. We explored whether plasma TRAIL levels were associated with in-hospital mortality, organ dysfunction, and septic shock. We also explored the relationship between TRAIL and RIPK3. METHODS We performed an observational study of critically ill adults admitted to intensive care units at 3 academic medical centers across 2 continents, using 1 as derivation and the other 2 as validation cohorts. Levels of TRAIL were measured in the plasma of 570 subjects by ELISA. RESULTS In all cohorts, lower (<28.5 pg/ml) versus higher levels of TRAIL were associated with increased organ dysfunction (P ≤ 0.002) and septic shock (P ≤ 0.004). Lower TRAIL levels were associated with in-hospital mortality in 2 of 3 cohorts (Weill Cornell-Biobank of Critical Illness, P = 0.012; Brigham and Women's Hospital Registry of Critical Illness, P = 0.011; Asan Medical Center, P = 0.369). Lower TRAIL was also associated with increased RIPK3 (P ≤ 0.001). CONCLUSION Lower levels of TRAIL were associated with septic shock and organ dysfunction in 3 independent ICU cohorts. TRAIL was inversely associated with RIPK3 in all cohorts. FUNDING NIH (R01-HL055330 and KL2-TR002385).
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Affiliation(s)
- Edward J Schenck
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA.,New York-Presbyterian Hospital Weill Cornell Medical Center, New York, New York, USA
| | - Kevin C Ma
- Section of Interventional Pulmonology and Thoracic Oncology, Division of Pulmonary, Allergy and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - David R Price
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA.,New York-Presbyterian Hospital Weill Cornell Medical Center, New York, New York, USA
| | - Thomas Nicholson
- New York-Presbyterian Hospital Weill Cornell Medical Center, New York, New York, USA
| | - Clara Oromendia
- Department of Healthcare Policy and Research, Division of Biostatistics and Epidemiology, Weill Cornell Medicine, New York, New York, USA
| | - Eliza Rose Gentzler
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Elizabeth Sanchez
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Rebecca M Baron
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Laura E Fredenburgh
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jin-Won Huh
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Ulsan, South Korea
| | - Ilias I Siempos
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA.,First Department of Critical Care Medicine and Pulmonary Services, Evangelismos Hospital, University of Athens Medical School, Athens, Greece
| | - Augustine Mk Choi
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA.,New York-Presbyterian Hospital Weill Cornell Medical Center, New York, New York, USA
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10
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Increased Serum Concentrations of TNF-Like Weak Inducer of Apoptosis Predict Higher 28-Day Mortality in Patients with Sepsis. Emerg Med Int 2019; 2019:7238705. [PMID: 30733876 PMCID: PMC6348793 DOI: 10.1155/2019/7238705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 11/24/2018] [Accepted: 12/31/2018] [Indexed: 12/29/2022] Open
Abstract
We performed the current study to explore potential predictive value of serum Tumor Necrosis Factor- (TNF-) like weak inducer of apoptosis (TWEAK) concentrations for 28-day mortality in patients with sepsis. Adult septic patients (age≥18 years) admitted to a general ICU between November 2016 and October 2017 were consecutively included in our prospective observational study. TWEAK concentrations were detected in septic patients and healthy controls. Dynamic changes of TWEAK concentrations between 1st day and 3rd day of admission to ICU (ΔTWEAK concentrations) were also measured. A total of 79 septic patients were included and 19 of them (24.1%) died after a follow-up period of 28 days. We identified arterial lactate, NT-proBNP, and male gender as independent factors for 28-day mortality of patients with sepsis. The serum levels of TWEAK were significantly lower in septic patients compared to controls (417.4 ± 196.7 pg/ml versus 1243.8 ± 174.3 pg/ml, p<0.001). We found a positive correlation between TWEAK concentrations and SOFA score (Spearman correlation coefficient 0.235, p=0.037). Area under the receiver operating characteristic curve (AUROC) of ΔTWEAK concentrations for 28-day mortality was 0.754 (95% CI 0.645-0.844). We also evaluated the diagnostic performance of combinative index (ΔTWEAK concentrations and lactate) and obtained an AUROC of 0.860 (95% CI 0.763-0.928). In conclusion, our study found lower TWEAK concentrations in septic patients than those in healthy controls. Furthermore, the increased TWEAK concentrations during disease process predict higher 28-day mortality in septic patients. Dynamic changes of TWEAK should be an important supplement for current prognostic markers.
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11
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Differential Roles of Tumor Necrosis Factor Ligand Superfamily Members as Biomarkers in Pancreatic Cancer. J Clin Med 2018; 7:jcm7070175. [PMID: 30011858 PMCID: PMC6068811 DOI: 10.3390/jcm7070175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 07/04/2018] [Accepted: 07/12/2018] [Indexed: 12/18/2022] Open
Abstract
The tumor necrosis factor⁻related weak inducer of apoptosis (TWEAK) belongs to the tumor necrosis factor ligand superfamily, which was shown to play an important role in inflammatory and malignant gastrointestinal diseases, including colitis or colorectal cancer. However, in contrast to other members of the TNF ligand superfamily, its role as a biomarker in pancreatic cancer is currently unknown. We analyzed serum levels of A proliferation-inducing ligand (APRIL) and TWEAK in 134 patients with pancreatic cancer. Results were compared with 50 healthy controls and correlated with clinical data. Intratumoral expression of APRIL and TWEAK in pancreatic cancer was analysed using the datasets made available by the TCGA-LIHC project. APRIL serum levels were significantly elevated in patients with pancreatic cancer compared to healthy controls, which is in line with previous findings. Notably, the diagnostic accuracy of circulating APRIL levels was similar to CA19-9, an established tumor marker for pancreatic cancer. In contrast, serum concentrations of TWEAK were decreased in pancreatic cancer patients. Interestingly, no differences in TWEAK concentrations became apparent between different clinical subgroups of pancreatic cancer. Moreover, within our cohort of patients, TWEAK levels did not correlate with the patients' prognosis and the diagnostic as well as prognostic potential of TWEAK was lower than CA 19-9, when analyzed in this setting. Finally, using data from the TCGA-LIHC project, we demonstrate that expression levels of TWEAK and APRIL represent prognostic markers for patients' survival according to Kaplan-Meier curve analyses. TWEAK and APRIL serum concentrations are regulated differently in patients with pancreatic cancer, highlighting diverse roles of variant TNF ligands in this type of cancer.
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Wang L, Zhao H, Wang D. Inflammatory cytokine expression in patients with sepsis at an intensive care unit. Exp Ther Med 2018; 16:2126-2131. [PMID: 30186449 DOI: 10.3892/etm.2018.6376] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 01/18/2018] [Indexed: 12/24/2022] Open
Abstract
Sepsis is a systemic inflammatory response syndrome caused by infection of bacteria, fungi and/or viruses in clinical patients. It is known that inflammatory cytokine levels have an essential role in the progression of sepsis. The present study investigated the role of inflammatory markers in human peripheral blood mononuclear cells (hPBMCs) of patients with sepsis at an intensive care unit. In addition, the plasma levels of inflammatory cytokines were compared between sepsis patients and healthy individuals. The results demonstrated that the serum levels of interleukin-1, -17 and -6, as well as tumor necrosis factor-α, were upregulated in sepsis patients. The serum levels of high mobility group box 1 and C-reactive protein were increased in sepsis patients compared with those in healthy individuals. The expression levels of nuclear factor-κB-p65 and its inhibitor IκBα, as well as the ratio of CD25+ cells, and the levels of neutrophil gelatinase-associated lipocalin and peptidoglycan recognition protein were higher in hPBMCs in sepsis patients compared with those in healthy individuals. It was also indicated that balance of T helper type 1/2 cytokines was also disturbed in patients with sepsis compared with that in healthy individuals. In conclusion, these results indicated that inflammation is involved in the progression of sepsis by interfering with the expression of various molecules, suggesting a potential therapeutic strategy for the treatment of sepsis patients.
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Affiliation(s)
- Lili Wang
- Intensive Care Unit, Daqing Oil Field General Hospital, Daqing, Heilongjiang 163001, P.R. China
| | - Hongyan Zhao
- Intensive Care Unit, Daqing Oil Field General Hospital, Daqing, Heilongjiang 163001, P.R. China
| | - Dongxu Wang
- Intensive Care Unit, Daqing Oil Field General Hospital, Daqing, Heilongjiang 163001, P.R. China
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Li Y, Zhang F, Cong Y, Zhao Y. Identification of potential genes and miRNAs associated with sepsis based on microarray analysis. Mol Med Rep 2018; 17:6227-6234. [PMID: 29512785 PMCID: PMC5928603 DOI: 10.3892/mmr.2018.8668] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 09/18/2017] [Indexed: 12/14/2022] Open
Abstract
Sepsis is a type of systemic inflammatory response syndrome caused by infection. The present study aimed to examine key genes and microRNAs (miRNAs) involved in the pathogenesis of sepsis. The GSE13205 microarray dataset, downloaded from the Gene Expression Omnibus was analyzed using bioinformatics tools, and included muscle biopsy specimens of 13 patients with sepsis and eight healthy controls. The differentially expressed genes (DEGs) in samples from patients with sepsis were identified using the Linear Models for Microarray package in R language. Using the Database for Annotation, Visualization and Integration Discovery tool, functional and pathway enrichment analyses were performed to examine the potential functions of the DEGs. The protein-protein interaction (PPI) network was constructed with the DEGs using the Search Tool for the Retrieval of Interacting Genes, and the network topology was analyzed using CytoNCA. Subsequently, MCODE in Cytoscape was used to identify modules in the PPI network. Finally, the integrated regulatory network was constructed based on the DEGs, miRNAs and transcription factors (TFs). A total of 259 upregulated DEGs (MYC and BYSL) and 204 downregulated DEGs were identified in the patients with sepsis. NOP14, NOP2, AATF, GTPBP4, BYSL and TRMT6 were key genes in the MCODE module. In the integrated DEG-miRNA-TF regulatory network, hsa-miR-150 (target gene MYLK3) and 21 TFs, comprising 14 upregulated DEGs (including MYC) and seven downregulated DEGs, were identified. The results suggested that NOP14, NOP2, AATF, GTPBP4, BYSL, MYC, MYLK3 and miR-150 may be involved in the pathogenesis of sepsis.
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Affiliation(s)
- Yin Li
- Emergency Department, Huadong Hospital, Shanghai 200040, P.R. China
| | - Fengxia Zhang
- Emergency Department, Huadong Hospital, Shanghai 200040, P.R. China
| | - Yan Cong
- Emergency Department, Huadong Hospital, Shanghai 200040, P.R. China
| | - Yun Zhao
- Emergency Department, Huadong Hospital, Shanghai 200040, P.R. China
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14
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Elevated Serum Levels of Mixed Lineage Kinase Domain-Like Protein Predict Survival of Patients during Intensive Care Unit Treatment. DISEASE MARKERS 2018; 2018:1983421. [PMID: 29606984 PMCID: PMC5828132 DOI: 10.1155/2018/1983421] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 12/25/2017] [Indexed: 12/17/2022]
Abstract
Mixed lineage kinase domain-like (MLKL), a crucial regulator of necroptotic cell death, was shown to play a role in inflammatory diseases. However, its role as a biomarker in critical illness and sepsis is currently unknown. We analyzed serum levels of MLKL in 136 critically ill patients at admission to the intensive care unit (ICU) and after three days of ICU treatment. Results were compared with 36 healthy controls and correlated with clinical and laboratory patients' data. MLKL serum levels of critically ill patients at admission to the ICU were similar compared to healthy controls. At ICU admission, MLKL serum concentrations were independent of disease severity, presence of sepsis, and etiology of critical illness. In contrast, median serum levels of MLKL after three days of ICU treatment were significantly lower compared to those at admission to the ICU. While serum levels of MLKL at admission were not predictive for short-term survival during ICU treatment, elevated MLKL concentrations at day three were an independent negative predictor of patients' ICU survival. Thus, elevated MLKL levels after three days of ICU treatment were predictive for patients' mortality, indicating that sustained deregulated cell death is associated with an adverse prognosis in critical illness.
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15
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Jan JS, Chou YC, Cheng YW, Chen CK, Huang WJ, Hsiao G. The Novel HDAC8 Inhibitor WK2-16 Attenuates Lipopolysaccharide-Activated Matrix Metalloproteinase-9 Expression in Human Monocytic Cells and Improves Hypercytokinemia In Vivo. Int J Mol Sci 2017; 18:ijms18071394. [PMID: 28661460 PMCID: PMC5535887 DOI: 10.3390/ijms18071394] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 06/19/2017] [Accepted: 06/26/2017] [Indexed: 12/29/2022] Open
Abstract
Dysregulated human monocytes/macrophages can synthesize and secrete matrix metalloproteinases (MMPs), which play important roles in the progression of sepsis. In this study, we investigated the effects and mechanism of a novel histone deacetylase (HDAC8) inhibitor, (E)-N-hydroxy-4-methoxy-2-(biphenyl-4-yl)cinnamide (WK2-16), on MMP-9 production and activation in stimulated human monocytic THP-1 cells. Our results demonstrated that the acetylation level of structural maintenance of chromosomes 3 (SMC3) was up-regulated by WK2-16 in THP-1 cells. Consistently, an in vitro enzyme study demonstrated that WK2-16 selectively inhibited HDAC8 activity. Moreover, the WK2-16 concentration dependently suppressed MMP-9-mediated gelatinolysis induced by tumor necrosis factor-α (TNF-α) or lipopolysaccharide (LPS). Additionally, WK2-16 significantly inhibited both MMP-9 protein and mRNA expression without cellular toxicity. Nevertheless, WK2-16 suppressed the extracellular levels of interleukin (IL)-6 from LPS-stimulated THP-1 cells. For the signaling studies, WK2-16 had no effect on LPS/TLR4 downstream signaling pathways, such as the NF-κB and ERK/JNK/P38 MAPK pathways. On the other hand, WK2-16 enhanced the recruitment of acetylated Yin Yang 1 (YY1) with HDAC1. Finally, in vivo studies indicated that WK2-16 could reduce the serum levels of TNF-α and IL-6 in endotoxemic mice. These results suggested that HDAC8 inhibition might provide a novel therapeutic strategy of hypercytokinemia in sepsis.
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Affiliation(s)
- Jing-Shiun Jan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.
- Department of Pharmacology, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.
| | - Yung-Chen Chou
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.
- Department of Pharmacology, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.
| | - Yu-Wen Cheng
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110, Taiwan.
| | - Chih-Kuang Chen
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
- School of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.
| | - Wei-Jan Huang
- Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei 110, Taiwan.
| | - George Hsiao
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.
- Department of Pharmacology, College of Medicine, Taipei Medical University, Taipei 110, Taiwan.
- Ph.D. Program in Biotechnology Research and Development, College of Pharmacy, Taipei Medical University, Taipei 110, Taiwan.
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