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Liu L, Ma C, Ji J, Gao R, Li D. Role of antidiarrheal agents nifuroxazide in antitumor multi‑target anticancer, multi‑mechanism anticancer drug (Review). Oncol Lett 2025; 29:260. [PMID: 40230426 PMCID: PMC11995686 DOI: 10.3892/ol.2025.15006] [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: 10/04/2024] [Accepted: 01/07/2025] [Indexed: 04/16/2025] Open
Abstract
Nifuroxazide (NFZ) is an antimicrobial drug, which has been found to be a promising antitumor agent in recent years. In addition to being a classic STAT3 inhibitor, NFZ can also act on IL-6 and exert an anti-tumor role through inflammatory factor pathways. It can also bind to target proteins of aldehyde dehydrogenase 1, one of the families of E-twenty-six transcription factors and ubiquitin-specific protease 21 to play an anti-tumor role in different pathways. NFZ is able to act on the tumor cell microenvironment to inhibit tumor angiogenesis and tumor cell migration, enhance tumor immune cells, increase the cytotoxicity of tumor cells and enhance the anti-tumor effect of other drugs. Furthermore, it has high safety with few toxic side effects. The anti-tumor mechanisms of NFZ were described in the current review, aiming to provide insight and a reference for future studies promoting the implementation of NFZ as an anti-tumor drug in the clinic.
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Affiliation(s)
- Liping Liu
- Oncology Department, Qingdao Endocrine and Diabetes Hospital, Qingdao, Shandong 266000, P.R. China
| | - Chengshan Ma
- Department of Orthopedic Surgery, Affiliated Hospital of Shandong First Medical University, Jinan, Shandong 250000, P.R. China
| | - Jinfeng Ji
- Oncology Department, Qingdao Endocrine and Diabetes Hospital, Qingdao, Shandong 266000, P.R. China
| | - Rong Gao
- Oncology Department, Qingdao Endocrine and Diabetes Hospital, Qingdao, Shandong 266000, P.R. China
| | - Deliang Li
- Emergency Department, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
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Van Damme J, Struyf S, Proost P, Opdenakker G, Gouwy M. Functional Interactions Between Recombinant Serum Amyloid A1 (SAA1) and Chemokines in Leukocyte Recruitment. Int J Mol Sci 2025; 26:2258. [PMID: 40076881 PMCID: PMC11900440 DOI: 10.3390/ijms26052258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2024] [Revised: 02/20/2025] [Accepted: 02/26/2025] [Indexed: 03/14/2025] Open
Abstract
The acute phase response is a hallmark of all inflammatory reactions and acute phase reactants, such as C-reactive protein (CRP) and serum amyloid A (SAA) proteins, are among the most useful plasma and serum markers of inflammation in clinical medicine. Although it is well established that inflammatory cytokines, mainly interleukin-1 (IL-1), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) induce SAA in the liver, the biological functions of elicited SAA remain an enigma. By the classical multi-step protein purification studies of chemotactic factors present in plasma or serum, we discovered novel chemokines and SAA1 fragments, which are induced during inflammatory reactions. In contrast to earlier literature, pure SAA1 fails to induce chemokines, an ascribed function that most probably originates from contaminating lipopolysaccharide (LPS). However, intact SAA1 and fragments thereof synergize with CXC and CC chemokines to enhance chemotaxis. Natural SAA1 fragments are generated by inflammatory proteinases such as matrix metalloproteinase-9 (MMP-9). They mediate synergy with chemokines by the interaction with cognate G protein-coupled receptors (GPCRs), formyl peptide receptor 2 (FPR2) and (CC and CXC) chemokine receptors. In conclusion, SAA1 enforces the action of many chemokines and assists in local leukocyte recruitment, in particular, when the concentrations of specifically-induced chemokines are still low.
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Affiliation(s)
| | | | | | | | - Mieke Gouwy
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, KU Leuven, 3000 Leuven, Belgium; (J.V.D.); (S.S.); (P.P.); (G.O.)
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Tokeshi S, Suzuki-Narita M, Tajiri I, Inage K, Takeuchi J, Arai T, Kawarai Y, Terakawa H, Ohtori S, Orita S. Comparison of effects of intra-articular diclofenac etalhyaluronate and hyaluronic acid in a monoiodoacetate rat osteoarthritis model. J Orthop Res 2025; 43:557-566. [PMID: 39528346 DOI: 10.1002/jor.26012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 08/30/2024] [Accepted: 10/27/2024] [Indexed: 11/16/2024]
Abstract
Diclofenac etalhyaluronate (DF-HA) sustained diclofenac release with the effects of hyaluronic acid (HA), offering long-term analgesia in osteoarthritis. In this study, the effects of DF-HA on pain improvement and osteoarthritis were evaluated in a rat knee monoiodoacetate-induced osteoarthritis model compared to HA. Eight rats per group had been injected with monoiodoacetate (2.0 mg) or saline in the right knee for 4 weeks and were injected with either DF-HA (1.25 mg/kg; 0.5 mg), HA (0.5 mg), vehicle which was a substrate without DF-HA (50 μL), or saline and followed for 4 weeks. Mechanical plantar skin sensitivity was assessed weekly using the von Frey assay. Osteoarthritis changes were monitored with Larsen scores via CT imaging at every 2 weeks. The articular cartilage was analyzed using OARSI scores through H&E, Safranin-O staining at 8 weeks. The percentage of Iba-1 positive microglia in the spinal dorsal horn and of FG + CGRP-labeled cells among FG-positive cells in the dorsal root ganglion were evaluated by immunohistochemical staining. TNF-α and IL-6 mRNA expression levels in the knee synovium were evaluated by PCR. The DF-HA showed significantly improved pain hypersensitivity compared with the HA at 6-8 weeks. The percentage of Iba-1-positive microglia was significantly lower than that in the vehicle and the percentage of FG + CGRP/FG was significantly lower than that in the HA. OARSI scores did not differ among treatment groups, Larsen scores indicated lower in the DF-HA than in the vehicle. DF-HA was as effective as HA in joint protection and significantly improved inflammatory pain compared to HA.
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Affiliation(s)
- Soichiro Tokeshi
- Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chuo-ku, Japan
| | - Miyako Suzuki-Narita
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University, Chuo‑ku, Japan
| | - Ikuko Tajiri
- Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chuo-ku, Japan
| | - Kazuhide Inage
- Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chuo-ku, Japan
| | - Jun Takeuchi
- Medical Affairs, Seikagaku Corporation, Chiyoda-ku, Japan
| | - Takahito Arai
- Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chuo-ku, Japan
| | - Yuya Kawarai
- Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chuo-ku, Japan
| | - Hiroakira Terakawa
- Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chuo-ku, Japan
| | - Seiji Ohtori
- Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chuo-ku, Japan
| | - Sumihisa Orita
- Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, Chuo-ku, Japan
- Center for Frontier Medical Engineering, Chiba University, Inage‑ku, Japan
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4
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Zhan H, Cheng L, Chen H, Liu Y, Feng X, Li H, Li Z, Li Y. Evaluation of inflammatory-thrombosis panel as a diagnostic tool for vascular Behçet's disease. Clin Rheumatol 2025; 44:1279-1291. [PMID: 39890672 DOI: 10.1007/s10067-025-07301-6] [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: 05/22/2024] [Revised: 11/26/2024] [Accepted: 12/26/2024] [Indexed: 02/03/2025]
Abstract
OBJECTIVES Vascular Behçet's disease (VBD) is prevalent in 40% of BD, but lacks laboratory biomarker for timely diagnosis. We aimed to establish a diagnostic panel for discerning VBD and non-VBD patients and identify hemostatic-thrombotic markers most related to VBD pathogenesis using machine learning algorithm. OBJECTIVES A total of 338 BD patients comprising 123 VBD and 215 non-VBD were enrolled. Twenty-six clinical and laboratory features selected from LassoCV were included in multiple classifier to choose the optimal model for VBD differentiation. The Shapley Additive exPlanations (SHAP) was employed to interpret the contribution of model features for VBD prediction. Logistic regression analysis and nomogram were conducted to screen risk factors of VBD. RESULTS Inflammatory (neutrophils%, NK cells, IL-6), hematological (hemoglobin, hemoglobin distribution width (HDW)) and thrombosis (activated partial thromboplastin clotting time (APTT), D-dimer) parameters were elevated in VBD. Then we chose top contributors from XGBoost model and performed ten-fold cross validation, the diagnostic accuracy of which exceeded 0.90. Utilizing SHAP method, we identified higher incidence of arterial thrombosis or aneurysm and deep vein thrombosis, upregulated NK cell count, HDW, APTT and D-dimer, downregulated reticulocyte%, B cell count, red blood cell distribution width, cellular hemoglobin (CH) and TNF-α would ultimately generate the phenotype of VBD. Severity, hemoglobin, mean corpuscular hemoglobin, CH, HDW, APTT and D-dimer were found as potential risk factors for vascular outcomes among BD. RESULTS Our study developed a well-performed model leveraging clinical and laboratory parameters for differentiating VBD. Inflammatory and thrombotic risk factors are potential contributors to VBD. Key Points • Inflammatory (neutrophils%, NK cells, IL-6), hematological (HGB, HDW) and thrombosis (APTT, D-dimer) parameters were elevated in VBD. • We firstly developed an inflammatory-thrombosis model as a diagnostic tool for VBD. • HGB, MCH, CH, HDW, APTT and D-dimer are potential risk factors for VBD.
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Affiliation(s)
- Haoting Zhan
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Linlin Cheng
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Haizhen Chen
- Department of Laboratory Medicine, The First Hospital of Jilin University, Jilin, China
| | - Yongmei Liu
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Xinxin Feng
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Haolong Li
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Zhan Li
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yongzhe Li
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
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Margiotta RG, Sozio E, Del Ben F, Beltrami AP, Cesselli D, Comar M, Devito A, Fabris M, Curcio F, Tascini C, Sanguinetti G. Investigating the relationship between the immune response and the severity of COVID-19: a large-cohort retrospective study. Front Immunol 2025; 15:1452638. [PMID: 39845955 PMCID: PMC11750771 DOI: 10.3389/fimmu.2024.1452638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Accepted: 11/11/2024] [Indexed: 01/24/2025] Open
Abstract
The COVID-19 pandemic has left an indelible mark globally, presenting numerous challenges to public health. This crisis, while disruptive and impactful, has provided a unique opportunity to gather precious clinical data extensively. In this observational, case-control study, we utilized data collected at the Azienda Sanitaria Universitaria Friuli Centrale, Italy, to comprehensively characterize the immuno-inflammatory features in COVID-19 patients. Specifically, we employed multicolor flow cytometry, cytokine assays, and inflammatory biomarkers to elucidate the interplay between the infectious agent and the host's immune status. We characterized immuno-inflammatory profiles within the first 72 hours of hospital admission, stratified by age, disease severity, and time elapsed since symptom onset. Our findings indicate that patients admitted to the hospital shortly after symptom onset exhibit a distinct pattern compared to those who arrive later, characterized by a more active immune response and heightened cytokine activity, but lower markers of tissue damage. We used univariate and multivariate logistic regression models to identify informative markers for outcome severity. Predictors incorporating the immuno-inflammatory features significantly outperformed standard baselines, identifying up to 59% of patients with positive outcomes while maintaining a false omission rate as low as 4%. Overall, our study sheds light on the immuno-inflammatory aspects observed in COVID-19 patients prior to vaccination, providing insights for guiding the clinical management of first-time infections by a novel virus.
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Affiliation(s)
| | - Emanuela Sozio
- Infectious Disease Unit, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy
| | - Fabio Del Ben
- Department of Medicine (DMED), University of Udine, Udine, Italy
- Department of Laboratory Medicine, ASU FC, Udine, Italy
| | - Antonio Paolo Beltrami
- Department of Medicine (DMED), University of Udine, Udine, Italy
- Department of Laboratory Medicine, ASU FC, Udine, Italy
| | - Daniela Cesselli
- Department of Medicine (DMED), University of Udine, Udine, Italy
- Department of Laboratory Medicine, ASU FC, Udine, Italy
| | - Marco Comar
- Department of Medicine (DMED), University of Udine, Udine, Italy
| | | | - Martina Fabris
- Department of Medicine (DMED), University of Udine, Udine, Italy
- Department of Laboratory Medicine, ASU FC, Udine, Italy
| | - Francesco Curcio
- Department of Medicine (DMED), University of Udine, Udine, Italy
- Department of Laboratory Medicine, ASU FC, Udine, Italy
| | - Carlo Tascini
- Infectious Disease Unit, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy
- Department of Medicine (DMED), University of Udine, Udine, Italy
| | - Guido Sanguinetti
- Physics Department, International School for Advanced Studies (SISSA), Trieste, Italy
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Tashiro H, Kuwahara Y, Kurihara Y, Takahashi K. Molecular mechanisms and clinical impact of biologic therapies in severe asthma. Respir Investig 2025; 63:50-60. [PMID: 39642687 DOI: 10.1016/j.resinv.2024.11.015] [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: 09/30/2024] [Revised: 11/18/2024] [Accepted: 11/27/2024] [Indexed: 12/09/2024]
Abstract
Severe asthma is a critical condition for patients with asthma, characterized by frequent exacerbations, decreased pulmonary function, and unstable symptoms related to asthma. Consequently, the administration of systemic corticosteroids, which cause secondary damage because of their adverse effects, is considered. Recently, several types of molecular-targeted biological therapies have become available for patients with severe asthma, and they have a capacity to improve the pathophysiology of severe asthma. However, several clinical reports indicate that the effects differ depending on the biological targets of asthma in individual patients. In this review, the molecular mechanisms and clinical impact of biologic therapies in severe asthma are described. In addition, molecules targeted by possible future biologics are also addressed. Better understanding of the mechanistic basis for the role of biologics in severe asthma could lead to new therapeutic options for these patients.
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Affiliation(s)
- Hiroki Tashiro
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Saga Prefecture, 849-8501, Japan
| | - Yuki Kuwahara
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Saga Prefecture, 849-8501, Japan
| | - Yuki Kurihara
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Saga Prefecture, 849-8501, Japan
| | - Koichiro Takahashi
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Saga Prefecture, 849-8501, Japan.
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Gholami A, Sohrabi M, Baradaran HR, Hariri M. Effect of Chromium Supplementation on Serum Levels of Inflammatory Mediators: An Updated Systematic Review and Meta-analysis on Randomized Clinical Trials. Biol Trace Elem Res 2024:10.1007/s12011-024-04486-w. [PMID: 39671146 DOI: 10.1007/s12011-024-04486-w] [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: 11/03/2024] [Accepted: 12/06/2024] [Indexed: 12/14/2024]
Abstract
Chromium has been recognized for its beneficial effects on inflammation reduction; therefore, we conducted a systematic review and meta-analysis to find the effect of chromium supplementation on serum levels of C-reactive protein (CRP), tumor necrosis factor-alpha (TNF-α), and interleukin-6 (IL-6) in subjects aged 18 years and older. Related articles were identified by searching databases such as the Cochrane Library, ClinicalTrials.gov, ISI Web of Science, Scopus, and PubMed up until Agust 2024. We computed the mean differences (MD) along with their standard deviations (SDs) to carry out the meta-analysis. Statistical heterogeneity of the intervention effects was assessed using I-squared statistics and Cochran's Q test. In total, twelve and eleven studies were included in the present systematic review and meta-analysis, respectively. The pooled results indicated that the differences in serum levels of CRP and TNF-α between chromium group and the comparison group were statistically significant (CRP: weighted mean difference (WMD) = -0.58 mg/L; 95% confidence interval (CI) = -0.95, -0.22 mg/L; P = 0.002; TNF-α: WMD = -1.22 pg/ml; 95% CI = -1.91, -0.53 pg/ml; p = 0.001). In contrast, chromium supplementation resulted in a non-significant decrease in serum levels of IL-6 (WMD = -0.63 pg/ml; 95% CI: -1.67, 0.4 pg/ml; P < 0.001). Our study supports the beneficial effect of chromium supplementation on serum concentration of CRP and TNF-α, but our results showed that chromium supplementation non-significantly reduced the serum levels of IL-6. However, it seems that chromium formulation, participants' BMI, sample size, and geographical region are strong variables that predict the effect of chromium supplementation on inflammatory mediators.
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Affiliation(s)
- Ali Gholami
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
- Department of Epidemiology and Biostatistics, School of Public Health, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Masoudreza Sohrabi
- Gastrointestinal and Liver Disease Research Center (GILDRC), Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Baradaran
- Ageing Clinical and Experimental Research Team, Institute of Applied Health Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
- Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mitra Hariri
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
- Healthy Ageing Research Centre, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Oikonomou I, Papageorgiou A, de Lastic AL, Moulias A, Georgopoulou GA, Mouzaki A, Koufou EE, Tsigkas G, Gogos C, Davlouros P, Assimakopoulos SF. Gut barrier dysfunction, endotoxemia and inflammatory response in STEMI patients and effect of primary PCI. Am J Med Sci 2024; 368:485-493. [PMID: 38969287 DOI: 10.1016/j.amjms.2024.07.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 06/05/2024] [Accepted: 07/01/2024] [Indexed: 07/07/2024]
Abstract
BACKGROUND Gut-derived bacterial and endotoxin translocation induce systemic inflammation, which exerts a pivotal pathogenetic role in all phases of atherosclerosis. OBJECTIVES To investigate prospectively the gut barrier function, endotoxin translocation and inflammatory response in ST-elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary artery intervention (PPCI). METHODS Twenty-seven patients with STEMI that underwent successful PPCI were subjected to peripheral blood sampling at 3-time points; before PPCI (day0), 24 h (day1) and 96 h (day4) after PPCI and were compared with 20 chronic coronary syndrome (CCS) patients and 11 healthy controls. Serum ZO-1, I-FABP and endotoxin concentrations were determined by ELISA. Concentrations of cytokines IL-1β, -6, -8, -10 and TNF-α were determined by flow cytometry. RESULTS Patients with STEMI before PPCI (day0) had increased serum ZO-1 and endotoxin, both at significantly higher levels compared to CCS patients. STEMI induced also significant increases of the cytokines IL-6, -8 and -10. After PPCI, a significant improvement of gut barrier integrity (ZO-1) and endotoxemia was observed from the first day. At day4 post PPCI, systemic endotoxin and cytokines IL-6, -8 and -10 levels were reduced to control levels. Serum ZO-1 levels were positively correlated with systemic IL-10 concentrations (r = 0.471). CONCLUSION STEMI is associated with gut barrier dysfunction, systemic endotoxemia and inflammatory response, which improve rapidly following successful PPCI.
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Affiliation(s)
- Ioanna Oikonomou
- Department of Internal Medicine and Division of Infectious Diseases, University of Patras Medical School, Patras, Greece
| | - Angeliki Papageorgiou
- Division of Cardiology, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Anne-Lise de Lastic
- Laboratory of Immunohematology, Division of Hematology, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Athanasios Moulias
- Division of Cardiology, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | | | - Athanasia Mouzaki
- Laboratory of Immunohematology, Division of Hematology, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Eleni-Evangelia Koufou
- Division of Cardiology, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Grigorios Tsigkas
- Division of Cardiology, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Charalambos Gogos
- Department of Internal Medicine and Division of Infectious Diseases, University of Patras Medical School, Patras, Greece
| | - Periklis Davlouros
- Division of Cardiology, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Stelios F Assimakopoulos
- Department of Internal Medicine and Division of Infectious Diseases, University of Patras Medical School, Patras, Greece.
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Park KT, Jo H, Jeon SH, Jeong K, Im M, Kim JW, Jung JP, Jung HC, Lee JH, Kim W. Analgesic Effect of Human Placenta Hydrolysate on CFA-Induced Inflammatory Pain in Mice. Pharmaceuticals (Basel) 2024; 17:1179. [PMID: 39338341 PMCID: PMC11435073 DOI: 10.3390/ph17091179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2024] [Revised: 08/30/2024] [Accepted: 09/05/2024] [Indexed: 09/30/2024] Open
Abstract
To evaluate the efficacy of human placenta hydrolysate (HPH) in a mice model of CFA-induced inflammatory pain. TNF-α, IL-1β, and IL-6 are key pro-inflammatory cytokine factors for relieving inflammatory pain. Therefore, this study investigates whether HPH suppresses CFA-induced pain and attenuates the inflammatory process by regulating cytokines. In addition, the relationship between neuropathic pain and HPH was established by staining GFAP and Iba-1 in mice spinal cord tissues. This study was conducted for a total of day 28, and inflammatory pain was induced in mice by injecting CFA into the right paw at day 0 and day 14, respectively. 100 μL of 20% glucose and polydeoxyribonucleotide (PDRN) and 100, 200, and 300 μL of HPH were administered intraperitoneally twice a week. In the CFA-induced group, cold and mechanical allodynia and pro-inflammatory cytokine factors in the spinal cord and plantar tissue were significantly increased. The five groups of drugs evenly reduced pain and gene expression of inflammatory factors, and particularly excellent effects were confirmed in the HPH 200 and 300 groups. Meanwhile, the expression of GFAP and Iba-1 in the spinal cord was increased by CFA administration but decreased by HPH administration, which was confirmed to suppress damage to peripheral ganglia. The present study suggests that HPH attenuates CFA-induced inflammatory pain through inhibition of pro-inflammatory cytokine factors and protection of peripheral nerves.
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Affiliation(s)
- Keun-Tae Park
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Heejoon Jo
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea
| | - So-Hyun Jeon
- Research and Development Center, Green Cross Wellbeing Corporation, Yongin 16950, Republic of Korea
| | - Kyeongsoo Jeong
- Research and Development Center, Green Cross Wellbeing Corporation, Yongin 16950, Republic of Korea
| | - Minju Im
- Research and Development Center, Green Cross Wellbeing Corporation, Yongin 16950, Republic of Korea
| | - Jae-Won Kim
- Research and Development Center, Green Cross Wellbeing Corporation, Yongin 16950, Republic of Korea
| | - Jong-Pil Jung
- Nuke Medical Society of Pain Research, Daejeon 35002, Republic of Korea
| | - Hoe Chang Jung
- Nuke Medical Society of Pain Research, Daejeon 35002, Republic of Korea
| | - Jae Hun Lee
- Nuke Medical Society of Pain Research, Daejeon 35002, Republic of Korea
| | - Woojin Kim
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea
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10
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Kaneko S, Asahina Y, Murakawa M, Ueyama S, Maeyashiki C, Watanabe H, Kusano-Kitazume A, Sato A, Uchidate K, Asakawa T, Watanabe S, Iizuka Y, Shibata I, Oooka S, Karakama Y, Fujii T, Watabe T, Akahoshi K, Tanabe M, Inada K, Mochida T, Watakabe K, Shimizu T, Tsuchiya J, Miyoshi M, Kitahata-Kawai F, Nitta S, Nakagawa M, Kakinuma S, Okamoto R. Prognostic significance of C-reactive protein in unresectable hepatocellular carcinoma treated with atezolizumab and bevacizumab. Hepatol Res 2024; 54:562-574. [PMID: 38133587 DOI: 10.1111/hepr.14001] [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: 09/26/2023] [Revised: 11/26/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023]
Abstract
AIM C-reactive protein (CRP) is both an inflammatory and prognostic marker in various cancers. This study aimed to elucidate the characteristics of CRP and the prognostic factors in patients who were administered with atezolizumab plus bevacizumab (ATZ + BEV) for unresectable hepatocellular carcinoma (HCC). METHODS A total of 213 patients who received ATZ + BEV for HCC from November 2020 to March 2023 at 15 hospitals were enrolled in this retrospective study. The prognosis was analyzed by subdividing the patients based on baseline characteristics, radiologic response, and treatment lines. Accuracy of survival prediction was assessed using CRP, alpha fetoprotein (AFP), C-reactive protein and alpha fetoprotein in immunotherapy (CRAFITY), and Glasgow Prognostic Score. RESULTS Compared with patients with baseline CRP <1 mg/dL, those with baseline CRP ≥1 mg/dL (n = 45) had a significantly higher baseline albumin-bilirubin score and AFP levels, significantly lower disease control rate (62.2%), and significantly shorter median overall survival (hazards ratios 2.292; 95% confidence interval 1.313-5.107; log-rank test, p < 0.001). Multivariate analysis identified CRP ≥1 mg/dL, AFP ≥100 ng/mL, and modified albumin-bilirubin grade as the significant prognostic factors. The baseline CRP, AFP, CRAFITY, and Glasgow Prognostic Score demonstrated higher discrimination for 1-year survival prediction after first-line ATZ + BEV administration, compared with beyond second line, with area under the receiver operating characteristic curves of 0.759, 0.761, 0.805, and 0.717, respectively. CONCLUSIONS CRP was a significant biomarker in patients treated with ATZ + BEV for HCC. Elevated CRP levels may indicate aggressive cancer progression and potential resistance to ATZ + BEV therapy.
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Affiliation(s)
- Shun Kaneko
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yasuhiro Asahina
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
- Department of Liver Disease Control, Tokyo Medical and Dental University, Tokyo, Japan
| | - Miyako Murakawa
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shunsuke Ueyama
- Department of Gastroenterology and Hepatology, Tsuchiura Kyodo General Hospital, Ibaraki, Japan
| | - Chiaki Maeyashiki
- Department of Gastroenterology and Hepatology, Musashino Red Cross Hospital, Tokyo, Japan
| | - Hideki Watanabe
- Department of Gastroenterology and Hepatology, Yokosuka Kyosai Hospital, Kanagawa, Japan
| | - Akiko Kusano-Kitazume
- Department of Gastroenterology and Hepatology, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan
| | - Ayako Sato
- Department of Gastroenterology and Hepatology, Tokyo Metropolitan Bokutoh Hospital, Tokyo, Japan
| | - Kozue Uchidate
- Department of Gastroenterology and Hepatology, JA Toride Medical Center, Ibaraki, Japan
| | - Takehito Asakawa
- Department of Gastroenterology and Hepatology, Yokohama City Minato Red Cross Hospital, Kanagawa, Japan
| | - Sho Watanabe
- Department of Gastroenterology and Hepatology, Soka Municipal Hospital, Saitama, Japan
| | - Yasuhiro Iizuka
- Department of Gastroenterology and Hepatology, Kashiwa Municipal Hospital, Chiba, Japan
| | - Isamu Shibata
- Department of Gastroenterology, National Hospital Organization Disaster Medical Center, Tokyo, Japan
| | - Shinya Oooka
- Department of Medical Oncology, Showa General Hospital, Tokyo, Japan
| | - Yuko Karakama
- Department of Gastroenterology and Hepatology, Tokyo Kyosai Hospital, Tokyo, Japan
| | - Takashi Fujii
- Department of Gastroenterology and Hepatology, Tokyo Metropolitan Hiroo Hospital, Tokyo, Japan
| | - Taro Watabe
- Department of Gastroenterology and Hepatology, Ome Municipal General Hospital, Tokyo, Japan
| | - Keiichi Akahoshi
- Department of Hepatobiliary and Pancreatic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Minoru Tanabe
- Department of Hepatobiliary and Pancreatic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kento Inada
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tomohiro Mochida
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Keiya Watakabe
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Taro Shimizu
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Jun Tsuchiya
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masato Miyoshi
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Fukiko Kitahata-Kawai
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Sayuri Nitta
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Mina Nakagawa
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
- Institute of Education, Tokyo Medical and Dental University, Tokyo, Japan
| | - Sei Kakinuma
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ryuichi Okamoto
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
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11
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Scheller J, Ettich J, Wittich C, Pudewell S, Floss DM, Rafii P. Exploring the landscape of synthetic IL-6-type cytokines. FEBS J 2024; 291:2030-2050. [PMID: 37467060 DOI: 10.1111/febs.16909] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/30/2023] [Accepted: 07/17/2023] [Indexed: 07/21/2023]
Abstract
Interleukin-6 (IL-6)-type cytokines not only have key immunomodulatory functions that affect the pathogenesis of diseases such as autoimmune diseases, chronic inflammatory conditions, and cancer, but also fulfill important homeostatic tasks. Even though the pro-inflammatory arm has hindered the development of therapeutics based on natural-like IL-6-type cytokines to date, current synthetic trends might pave the way to overcome these limitations and eventually lead to immune-inert designer cytokines to aid type 2 diabetes and brain injuries. Those synthetic biology approaches include mutations, fusion proteins, and inter-cytokine swapping, and resulted in IL-6-type cytokines with altered receptor affinities, extended target cell profiles, and targeting of non-natural cytokine receptor complexes. Here, we survey synthetic cytokine developments within the IL-6-type cytokine family and discuss potential clinical applications.
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Affiliation(s)
- Jürgen Scheller
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Julia Ettich
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Christoph Wittich
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Silke Pudewell
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Doreen M Floss
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Puyan Rafii
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
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12
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Khan S. Interleukin 6 Antagonists in Severe COVID-19 Disease: Cardiovascular and Respiratory Outcomes. Protein Pept Lett 2024; 31:178-191. [PMID: 38375841 DOI: 10.2174/0109298665266730240118054023] [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: 07/18/2023] [Revised: 12/17/2023] [Accepted: 12/27/2023] [Indexed: 02/21/2024]
Abstract
BACKGROUND Inhibitors of interleukin 6 [IL-6] have been utilized to treat severe COVID-19 disease. Their immunosuppressive or immunomodulating impact may be beneficial in COVID-19. OBJECTIVES To discuss the role of IL-6 inhibitors and assess various trials conducted to evaluate the efficacy of IL-6 inhibitors in COVID-19 disease. SUMMARY Two of the most common causes of mortality in COVID-19-infected critically ill individuals are acute respiratory distress syndrome (ARDS) and multiorgan failure. Increased levels of inflammatory cytokines suggest that a cytokine storm, also known as cytokine release syndrome (CRS), is involved in the etiology of COVID-19. Most tissue damage, sepsis, and pulmonary and cardiovascular problems are caused mainly by the host defense system. Therefore, regulating this inflammatory cascade using immunomodulators is a prudent strategy. Although corticosteroids, as immunomodulators, are routinely used in COVID-19 management, interleukin (IL) inhibitors, especially IL-6 inhibitors, are also tested in many trials. Many studies have demonstrated that IL-6 inhibitors improve disease outcomes and decrease mortality, whereas others have shown that they are ineffective. In this paper, we briefly examined the role of IL-6 in COVID-19 pathogenesis and trials that support or refute the use of IL-6 inhibitors in treating COVID-19 disease. RESULTS Though mixed results are coming from trials regarding the adjuvant use of IL-6 inhibitors and standard anti-viral therapy with dexamethasone, a consensus favors using IL-6 inhibitors in severely ill COVID-19 patients regardless of the outcome.
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Affiliation(s)
- Shahzad Khan
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al Hofuf, Saudi Arabia
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13
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Staudner ST, Leininger SB, Vogel MJ, Mustroph J, Hubauer U, Meindl C, Wallner S, Lehn P, Burkhardt R, Hanses F, Zimmermann M, Scharf G, Hamer OW, Maier LS, Hupf J, Jungbauer CG. Dipeptidyl-peptidase 3 and IL-6: potential biomarkers for diagnostics in COVID-19 and association with pulmonary infiltrates. Clin Exp Med 2023; 23:4919-4935. [PMID: 37733154 PMCID: PMC10725357 DOI: 10.1007/s10238-023-01193-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 09/08/2023] [Indexed: 09/22/2023]
Abstract
Coronavirus SARS-CoV-2 spread worldwide, causing a respiratory disease known as COVID-19. The aim of the present study was to examine whether Dipeptidyl-peptidase 3 (DPP3) and the inflammatory biomarkers IL-6, CRP, and leucocytes are associated with COVID-19 and able to predict the severity of pulmonary infiltrates in COVID-19 patients versus non-COVID-19 patients. 114 COVID-19 patients and 35 patients with respiratory infections other than SARS-CoV-2 were included in our prospective observational study. Blood samples were collected at presentation to the emergency department. 102 COVID-19 patients and 28 non-COVID-19 patients received CT imaging (19 outpatients did not receive CT imaging). If CT imaging was available, artificial intelligence software (CT Pneumonia Analysis) was used to quantify pulmonary infiltrates. According to the median of infiltrate (14.45%), patients who obtained quantitative CT analysis were divided into two groups (> median: 55 COVID-19 and nine non-COVID-19, ≤ median: 47 COVID-19 and 19 non-COVID-19). DPP3 was significantly elevated in COVID-19 patients (median 20.85 ng/ml, 95% CI 18.34-24.40 ng/ml), as opposed to those without SARS-CoV-2 (median 13.80 ng/ml, 95% CI 11.30-17.65 ng/ml; p < 0.001, AUC = 0.72), opposite to IL-6, CRP (each p = n.s.) and leucocytes (p < 0.05, but lower levels in COVID-19 patients). Regarding binary logistic regression analysis, higher DPP3 concentrations (OR = 1.12, p < 0.001) and lower leucocytes counts (OR = 0.76, p < 0.001) were identified as significant and independent predictors of SARS-CoV-2 infection, as opposed to IL-6 and CRP (each p = n.s.). IL-6 was significantly increased in patients with infiltrate above the median compared to infiltrate below the median both in COVID-19 (p < 0.001, AUC = 0.78) and in non-COVID-19 (p < 0.05, AUC = 0.81). CRP, DPP3, and leucocytes were increased in COVID-19 patients with infiltrate above median (each p < 0.05, AUC: CRP 0.82, DPP3 0.70, leucocytes 0.67) compared to infiltrate below median, opposite to non-COVID-19 (each p = n.s.). Regarding multiple linear regression analysis in COVID-19, CRP, IL-6, and leucocytes (each p < 0.05) were associated with the degree of pulmonary infiltrates, as opposed to DPP3 (p = n.s.). DPP3 showed the potential to be a COVID-19-specific biomarker. IL-6 might serve as a prognostic marker to assess the extent of pulmonary infiltrates in respiratory patients.
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Affiliation(s)
- Stephan T Staudner
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany.
| | - Simon B Leininger
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Manuel J Vogel
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Julian Mustroph
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Ute Hubauer
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Christine Meindl
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Stefan Wallner
- Department of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Petra Lehn
- Department of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Ralph Burkhardt
- Department of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Frank Hanses
- Emergency Department, University Hospital Regensburg, Regensburg, Germany
- Department of Infection Prevention and Infectious Diseases, University Hospital Regensburg, Regensburg, Germany
| | - Markus Zimmermann
- Emergency Department, University Hospital Regensburg, Regensburg, Germany
| | - Gregor Scharf
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - Okka W Hamer
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - Lars S Maier
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - Julian Hupf
- Emergency Department, University Hospital Regensburg, Regensburg, Germany
| | - Carsten G Jungbauer
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
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14
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Nepal D, Gazeley D. Role of IL-6 and IL-6 targeted therapy in systemic lupus erythematosus. Rheumatology (Oxford) 2023; 62:3804-3810. [PMID: 37594751 DOI: 10.1093/rheumatology/kead416] [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: 02/07/2023] [Revised: 07/13/2023] [Accepted: 07/16/2023] [Indexed: 08/19/2023] Open
Abstract
Interleukin-6 (IL-6) is one of the cytokines implicated in murine and human SLE. Only a few small studies have investigated IL-6 inhibition in human SLE. Currently, there are no studies registered in clinicaltrials.gov to assess the IL-6 targeted therapy in SLE, yet its role in the future remains to be defined. This narrative review analyses these and potential areas of future studies with IL-6 targeted therapy in SLE.
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Affiliation(s)
- Desh Nepal
- Division of Rheumatology, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - David Gazeley
- Division of Rheumatology, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
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15
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Surandran S, Ahmed S, Walton T, Nikiphorou E, Dey M. Multimorbidity in rheumatoid arthritis: common mechanistic links and impact and challenges in routine clinical practice. Rheumatology (Oxford) 2023; 62:SI260-SI270. [PMID: 37871920 DOI: 10.1093/rheumatology/kead489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/13/2023] [Indexed: 10/25/2023] Open
Abstract
Early identification and management of multimorbidity in patients with rheumatic and musculoskeletal diseases (RMDs), such as RA, is an integral, but often neglected, aspect of care. The prevalence and incidence of conditions such as osteoporosis, cardiovascular disease, pulmonary disease and malignancies, often co-existing with RA, continues to have significant implications for the management of this patient group. Multimorbidity in RMDs can be associated with inflammatory disease activity and target organ damage. Lifestyle factors, such as smoking and inactivity, further contribute to the burden of disease. Inflammation is the underlying factor, not just in RA but also many comorbidities. The current framework of a treat-to-target approach focuses on achieving early remission and inflammatory activity suppression. We describe how the comorbidity burden in people with RMDs impacts on disease outcome and treatment response. The importance of addressing comorbidity at an early stage and adopting a patient centred approach is critical in modern practice.
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Affiliation(s)
| | - Saad Ahmed
- Department of Rheumatology, Colchester General Hospital, Colchester, UK
| | - Tom Walton
- Department of Rheumatology, Colchester General Hospital, Colchester, UK
| | - Elena Nikiphorou
- Centre for Rheumatic Diseases, King's College London, London, UK
- Rheumatology Department, King's College Hospital, London, UK
| | - Mrinalini Dey
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
- Department of Rheumatology, Countless of Chester Hospital NHS Foundation Trust, Chester, UK
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16
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Rose-John S, Jenkins BJ, Garbers C, Moll JM, Scheller J. Targeting IL-6 trans-signalling: past, present and future prospects. Nat Rev Immunol 2023; 23:666-681. [PMID: 37069261 PMCID: PMC10108826 DOI: 10.1038/s41577-023-00856-y] [Citation(s) in RCA: 197] [Impact Index Per Article: 98.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2023] [Indexed: 04/19/2023]
Abstract
Interleukin-6 (IL-6) is a key immunomodulatory cytokine that affects the pathogenesis of diverse diseases, including autoimmune diseases, chronic inflammatory conditions and cancer. Classical IL-6 signalling involves the binding of IL-6 to the membrane-bound IL-6 receptor α-subunit (hereafter termed 'mIL-6R') and glycoprotein 130 (gp130) signal-transducing subunit. By contrast, in IL-6 trans-signalling, complexes of IL-6 and the soluble form of IL-6 receptor (sIL-6R) signal via membrane-bound gp130. A third mode of IL-6 signalling - known as cluster signalling - involves preformed complexes of membrane-bound IL-6-mIL-6R on one cell activating gp130 subunits on target cells. Antibodies and small molecules have been developed that block all three forms of IL-6 signalling, but in the past decade, IL-6 trans-signalling has emerged as the predominant pathway by which IL-6 promotes disease pathogenesis. The first selective inhibitor of IL-6 trans-signalling, sgp130, has shown therapeutic potential in various preclinical models of disease and olamkicept, a sgp130Fc variant, had promising results in phase II clinical studies for inflammatory bowel disease. Technological developments have already led to next-generation sgp130 variants with increased affinity and selectivity towards IL-6 trans-signalling, along with indirect strategies to block IL-6 trans-signalling. Here, we summarize our current understanding of the biological outcomes of IL-6-mediated signalling and the potential for targeting this pathway in the clinic.
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Affiliation(s)
- Stefan Rose-John
- Biochemical Institute, Medical Faculty, Christian-Albrechts-University, Kiel, Germany
| | - Brendan J Jenkins
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Molecular and Translational Science, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Victoria, Australia
| | - Christoph Garbers
- Department of Pathology, Otto-von-Guericke-University Magdeburg, Medical Faculty, Magdeburg, Germany
- Health Campus Immunology, Infectiology and Inflammation (GC:I3), Otto-von-Guericke-University, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Jens M Moll
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Jürgen Scheller
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany.
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17
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Mazzocco YL, Bergero G, Del Rosso S, Eberhardt N, Sola C, Saka HA, Villada SM, Bocco JL, Aoki MP. Differential expression patterns of purinergic ectoenzymes and the antioxidative role of IL-6 in hospitalized COVID-19 patient recovery. Front Immunol 2023; 14:1227873. [PMID: 37818368 PMCID: PMC10560791 DOI: 10.3389/fimmu.2023.1227873] [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: 05/23/2023] [Accepted: 08/31/2023] [Indexed: 10/12/2023] Open
Abstract
Introduction We have acquired significant knowledge regarding the pathogenesis of severe acute respiratory syndrome caused by coronavirus 2 (SARS-CoV-2). However, the underlying mechanisms responsible for disease recovery still need to be fully understood. Methods To gain insights into critical immune markers involved in COVID-19 etiopathogenesis, we studied the evolution of the immune profile of peripheral blood samples from patients who had recovered from COVID-19 and compared them to subjects with severe acute respiratory illness but negative for SARS-CoV-2 detection (controls). In addition, linear and clustered correlations between different parameters were determined. Results The data obtained revealed a significant reduction in the frequency of inflammatory monocytes (CD14+CD16+) at hospital discharge vs. admission. Remarkably, nitric oxide (NO) production by the monocyte compartment was significantly reduced at discharge. Furthermore, interleukin (IL)-6 plasma levels were negatively correlated with the frequency of NO+CD14+CD16+ monocytes at hospital admission. However, at the time of hospital release, circulating IL-6 directly correlated with the NO production rate by monocytes. In line with these observations, we found that concomitant with NO diminution, the level of nitrotyrosine (NT) on CD8 T-cells significantly diminished at the time of hospital release. Considering that purinergic signaling constitutes another regulatory system, we analyzed the kinetics of CD39 and CD73 ectoenzyme expression in CD8 T-cells. We found that the frequency of CD39+CD8+ T-cells significantly diminished while the percentage of CD73+ cells increased at hospital discharge. In vitro, IL-6 stimulation of PBMCs from COVID-19 patients diminished the NT levels on CD8 T-cells. A clear differential expression pattern of CD39 and CD73 was observed in the NT+ vs. NT-CD8+ T-cell populations. Discussion The results suggest that early after infection, IL-6 controls the production of NO, which regulates the levels of NT on CD8 T-cells modifying their effector functions. Intriguingly, in this cytotoxic cell population, the expression of purinergic ectoenzymes is tightly associated with the presence of nitrated surface molecules. Overall, the data obtained contribute to a better understanding of pathogenic mechanisms associated with COVID-19 outcomes.
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Affiliation(s)
- Yanina Luciana Mazzocco
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Córdoba, Argentina
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Bioquímica Clínica, Córdoba, Argentina
| | - Gastón Bergero
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Córdoba, Argentina
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Bioquímica Clínica, Córdoba, Argentina
| | - Sebastian Del Rosso
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Córdoba, Argentina
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Bioquímica Clínica, Córdoba, Argentina
| | - Natalia Eberhardt
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Córdoba, Argentina
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Bioquímica Clínica, Córdoba, Argentina
| | - Claudia Sola
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Córdoba, Argentina
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Bioquímica Clínica, Córdoba, Argentina
| | - Héctor Alex Saka
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Córdoba, Argentina
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Bioquímica Clínica, Córdoba, Argentina
| | - Sofía María Villada
- Servicio de Enfermedades Infecciosas, Hospital Privado Universitario de Córdoba, Córdoba, Argentina
| | - José Luis Bocco
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Córdoba, Argentina
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Bioquímica Clínica, Córdoba, Argentina
| | - Maria Pilar Aoki
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Córdoba, Argentina
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Bioquímica Clínica, Córdoba, Argentina
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Rafiqi K, Hoeks CB, Løfgren B, Mortensen MB, Bruun JM. Diagnostic Impact of Hs-CRP and IL-6 for Acute Coronary Syndrome in Patients Admitted to the ED with Chest Pain: Added Value to the HEART Score? Open Access Emerg Med 2023; 15:333-342. [PMID: 37753377 PMCID: PMC10519209 DOI: 10.2147/oaem.s425319] [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: 07/04/2023] [Accepted: 09/18/2023] [Indexed: 09/28/2023] Open
Abstract
Objective To investigate whether hs-CRP and IL-6 provide additional diagnostic value beyond that achieved by the HEART score in patients with chest pain suggestive of acute coronary syndrome (ACS) admitted to the emergency department (ED). Methods This was a post hoc analysis using data from the RACING-MI study. Baseline data, including hs-CRP and IL-6 levels, were analyzed using the plasma from the biobank. A total of 818 patients with chest pain suggestive of ACS were included in this analysis. Of these, 98 were diagnosed with ACS (12%). Logistic regression was used to identify the independent predictors of ACS development in patients with chest pain. Results hs-CRP levels >2 mg/L were observed in 50% of all ACS cases. IL-6 levels >1.3 pg/mL were observed in 71% of all ACS cases. hs-CRP had a sensitivity of 50% and specificity of 51% for the diagnosis of ACS, whereas IL-6 had a sensitivity of 71% and specificity of 29%. The diagnostic likelihood ratios for ACS was 1.0 for hs-CRP>2 mg/L and IL-6 > 1.3 pg/mL, respectively. Logistic regression analysis revealed that age, male gender, and ongoing smoking were associated with ACS in patients with acute chest pain. No association was found between IL-6 or hs-CRP level and ACS. This was observed for both IL-6 and hs-CRP, whether assessed on a continuous scale or using prespecified cut-off values. Conclusion Among the 818 patients admitted to the ED with chest pain suggestive of ACS, neither hs-CRP nor IL-6 provided an independent added diagnostic value. Our results suggest that inflammatory markers have limited diagnostic value in detecting patients with ACS in the ED.
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Affiliation(s)
- Khalil Rafiqi
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
- Emergency Department, Aarhus University Hospital, Aarhus, Denmark
| | - Camilla Bang Hoeks
- Department of Internal Medicine, Randers Regional Hospital, Randers, Denmark
| | - Bo Løfgren
- Department of Internal Medicine, Randers Regional Hospital, Randers, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Martin Bødtker Mortensen
- Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark
- Ciccarone Center for Prevention of Heart Disease, Johns Hopkins, Baltimore, MD, USA
| | - Jens M Bruun
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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Mercader-Salvans J, García-González M, Gómez-Bernal F, Quevedo-Abeledo JC, de Vera-González A, González-Delgado A, López-Mejías R, Martín-González C, González-Gay MÁ, Ferraz-Amaro I. Relationship between Disease Characteristics and Circulating Interleukin 6 in a Well-Characterized Cohort of Patients with Systemic Lupus Erythematosus. Int J Mol Sci 2023; 24:14006. [PMID: 37762312 PMCID: PMC10531425 DOI: 10.3390/ijms241814006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Interleukin-6 (IL-6) is a proinflammatory cytokine that mediates pleiotropic functions in immune responses and inflammatory diseases. The literature lacks studies, with a clinical perspective, on the relationship between IL-6 serum levels and the characteristics of the disease in patients with systemic lupus erythematosus (SLE). In the present work, we aimed to analyze the association between circulating IL-6 and disease manifestations in a well-characterized series of patients with SLE. Serum IL-6 levels and disease activity (SLEDAI-2K), severity (Katz) and damage index (SLICC-DI), complete lipid profile, and subclinical carotid atherosclerosis were evaluated in 284 patients with SLE. In addition, a complete characterization of the complement system was performed in samples from patients with SLE. A multivariate linear regression analysis was carried out to study the relationship between clinical and laboratory characteristics of the disease and IL-6 levels. Age (beta coef. 0.07 [95%CI 0.01-0.1] pg/mL, p = 0.014), C-reactive protein (beta coef. 0.21 [95%CI 0.16-0.25] pg/mL, p < 0.01), and male gender (beta coef. 2 [95%CI 0.3-0.5] pg/mL, p = 0.024), were positively associated with higher IL-6 levels in SLE patients. Most disease characteristics and damage and activity indices did not show significant relationships with IL-6. However, after multivariate analysis, IL-6 was associated with lower serum levels of HDL cholesterol (beta coef. -0.04 [95%CI -0.08-(-0.1)] pg/mL, p = 0.011), and apolipoprotein A1 (beta coef. -0.02 [95%CI -0.04-(-0.001)] pg/mL, p = 0.035). In contrast, the alternative complement cascade, C1inh, and C3a were all positively and independently associated with higher serum levels of IL-6. Moreover, stratification of the Systematic Coronary Risk Assessment 2 (SCORE2) results according to different categories of cardiovascular risk was associated with higher circulating serum IL-6 levels (beta coef. 0.2 [95%CI 0.02-0.4], pg/mL, p = 0.028). In conclusion, in a large series of SLE patients, IL-6 was not associated with disease-related features of SLE, including damage, severity, or activity indices. However, an association was found between serum IL-6 levels and circulating C3a and cardiovascular risk. Our study emphasizes the importance that IL-6 could have in cardiovascular disease and complement system disruption of SLE patients. Therapies targeting IL-6 could have a role in these two clinical manifestations of patients with SLE.
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Affiliation(s)
| | - María García-González
- Division of Rheumatology, Hospital Universitario de Canarias, 38320 Tenerife, Spain;
| | - Fuensanta Gómez-Bernal
- Division of Central Laboratory, Hospital Universitario de Canarias, 38320 Tenerife, Spain; (F.G.-B.); (A.d.V.-G.); (A.G.-D.)
| | | | - Antonia de Vera-González
- Division of Central Laboratory, Hospital Universitario de Canarias, 38320 Tenerife, Spain; (F.G.-B.); (A.d.V.-G.); (A.G.-D.)
| | - Alejandra González-Delgado
- Division of Central Laboratory, Hospital Universitario de Canarias, 38320 Tenerife, Spain; (F.G.-B.); (A.d.V.-G.); (A.G.-D.)
| | - Raquel López-Mejías
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, IDIVAL, 39011 Santander, Spain;
| | - Candelaria Martín-González
- Division of Internal Medicine, Hospital Universitario de Canarias, 38320 Tenerife, Spain;
- Department of Internal Medicine, University of La Laguna (ULL), 38200 Tenerife, Spain
| | - Miguel Á. González-Gay
- Division of Rheumatology, IIS-Fundación Jiménez Díaz, 28040 Madrid, Spain
- Department of Medicine, University of Cantabria, 39005 Santander, Spain
| | - Iván Ferraz-Amaro
- Division of Rheumatology, Hospital Universitario de Canarias, 38320 Tenerife, Spain;
- Department of Internal Medicine, University of La Laguna (ULL), 38200 Tenerife, Spain
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20
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Main EN, Cruz TM, Bowlin GL. Mitochondria as a therapeutic: a potential new frontier in driving the shift from tissue repair to regeneration. Regen Biomater 2023; 10:rbad070. [PMID: 37663015 PMCID: PMC10468651 DOI: 10.1093/rb/rbad070] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/12/2023] [Accepted: 08/08/2023] [Indexed: 09/05/2023] Open
Abstract
Fibrosis, or scar tissue development, is associated with numerous pathologies and is often considered a worst-case scenario in terms of wound healing or the implantation of a biomaterial. All that remains is a disorganized, densely packed and poorly vascularized bundle of connective tissue, which was once functional tissue. This creates a significant obstacle to the restoration of tissue function or integration with any biomaterial. Therefore, it is of paramount importance in tissue engineering and regenerative medicine to emphasize regeneration, the successful recovery of native tissue function, as opposed to repair, the replacement of the native tissue (often with scar tissue). A technique dubbed 'mitochondrial transplantation' is a burgeoning field of research that shows promise in in vitro, in vivo and various clinical applications in preventing cell death, reducing inflammation, restoring cell metabolism and proper oxidative balance, among other reported benefits. However, there is currently a lack of research regarding the potential for mitochondrial therapies within tissue engineering and regenerative biomaterials. Thus, this review explores these promising findings and outlines the potential for mitochondrial transplantation-based therapies as a new frontier of scientific research with respect to driving regeneration in wound healing and host-biomaterial interactions, the current successes of mitochondrial transplantation that warrant this potential and the critical questions and remaining obstacles that remain in the field.
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Affiliation(s)
- Evan N Main
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN 38152, USA
| | - Thaiz M Cruz
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN 38152, USA
| | - Gary L Bowlin
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN 38152, USA
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21
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Zhu X, Liu Y, Xu N, Ai X, Yang Y. Molecular Characterization and Expression Analysis of IL-10 and IL-6 in Channel Catfish ( Ictalurus punctatus). Pathogens 2023; 12:886. [PMID: 37513733 PMCID: PMC10384647 DOI: 10.3390/pathogens12070886] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/25/2023] [Accepted: 06/27/2023] [Indexed: 07/30/2023] Open
Abstract
IL-10 and IL-6 play important roles in protecting against inflammation and clearing pathogens from the body. In this study, homologous compounds of IL-10 and IL-6 were identified in channel catfish, and their immune responses were analyzed. The CDS sequences of IL-10 and IL-6 were 549 bp and 642 bp, respectively, and showed the highest homology with Ameiurus melas. In addition, the expression of the IL-10 and IL-6 genes was ubiquitous in 10 tissues examined. IL-10 is highly expressed in the liver and slightly expressed in the gill. The high expression of the IL-6 gene was observed in the spleen, heart, and gonad, with the lowest levels in the liver. LPS, Poly(I:C), PHA, and PMA showed a highly significant increase in IL-10 and IL-6 expression 48 h after CCK stimulation (p < 0.01). Otherwise, Yersinia ruckeri, Streptococcus iniae, channel catfish virus, and deltamethrin induced IL-10 and IL-6 expression, varying in intensity between different organs. Our results suggest that IL-10 and IL-6 are involved in the immune response of the host against the pathogen.
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Affiliation(s)
- Xia Zhu
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
| | - Yongtao Liu
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
| | - Ning Xu
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
| | - Xiaohui Ai
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
| | - Yibin Yang
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
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22
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Jayaprakash AD, Ronk AJ, Prasad AN, Covington MF, Stein KR, Schwarz TM, Hekmaty S, Fenton KA, Geisbert TW, Basler CF, Bukreyev A, Sachidanandam R. Marburg and Ebola Virus Infections Elicit a Complex, Muted Inflammatory State in Bats. Viruses 2023; 15:350. [PMID: 36851566 PMCID: PMC9958679 DOI: 10.3390/v15020350] [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: 12/09/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 01/28/2023] Open
Abstract
The Marburg and Ebola filoviruses cause a severe, often fatal, disease in humans and nonhuman primates but have only subclinical effects in bats, including Egyptian rousettes, which are a natural reservoir of Marburg virus. A fundamental question is why these viruses are highly pathogenic in humans but fail to cause disease in bats. To address this question, we infected one cohort of Egyptian rousette bats with Marburg virus and another cohort with Ebola virus and harvested multiple tissues for mRNA expression analysis. While virus transcripts were found primarily in the liver, principal component analysis (PCA) revealed coordinated changes across multiple tissues. Gene signatures in kidney and liver pointed at induction of vasodilation, reduction in coagulation, and changes in the regulation of iron metabolism. Signatures of immune response detected in spleen and liver indicated a robust anti-inflammatory state signified by macrophages in the M2 state and an active T cell response. The evolutionary divergence between bats and humans of many responsive genes might provide a framework for understanding the differing outcomes upon infection by filoviruses. In this study, we outline multiple interconnected pathways that respond to infection by MARV and EBOV, providing insights into the complexity of the mechanisms that enable bats to resist the disease caused by filoviral infections. The results have the potential to aid in the development of new strategies to effectively mitigate and treat the disease caused by these viruses in humans.
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Affiliation(s)
| | - Adam J. Ronk
- Department of Pathology, the University Texas Medical Branch, Galveston, TX 77555, USA
- Galveston National Laboratory, the University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Abhishek N. Prasad
- Department of Pathology, the University Texas Medical Branch, Galveston, TX 77555, USA
- Galveston National Laboratory, the University of Texas Medical Branch, Galveston, TX 77555, USA
| | | | - Kathryn R. Stein
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Toni M. Schwarz
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Saboor Hekmaty
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Karla A. Fenton
- Galveston National Laboratory, the University of Texas Medical Branch, Galveston, TX 77555, USA
- Department Microbiology & Immunology, the University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Thomas W. Geisbert
- Galveston National Laboratory, the University of Texas Medical Branch, Galveston, TX 77555, USA
- Department Microbiology & Immunology, the University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Christopher F. Basler
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Alexander Bukreyev
- Department of Pathology, the University Texas Medical Branch, Galveston, TX 77555, USA
- Galveston National Laboratory, the University of Texas Medical Branch, Galveston, TX 77555, USA
- Department Microbiology & Immunology, the University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Ravi Sachidanandam
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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Bruno L, Nappo MA, Ferrari L, Di Lecce R, Guarnieri C, Cantoni AM, Corradi A. Nipah Virus Disease: Epidemiological, Clinical, Diagnostic and Legislative Aspects of This Unpredictable Emerging Zoonosis. Animals (Basel) 2022; 13:ani13010159. [PMID: 36611767 PMCID: PMC9817766 DOI: 10.3390/ani13010159] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
Nipah virus (NiV) infection is a viral disease caused by a Henipavirus, belonging to the Paramyxoviridae family, responsible for a zoonosis. The course of the disease can be very serious and lead to death. NiV natural hosts are fruit bats (also known as megabats) belonging to the Pteropodidae family, especially those of the Pteropus genus. Natural infection in domestic animals has been described in farming pigs, horses, domestic and feral dogs and cats. Natural NiV transmission is possible intra-species (pig-to-pig, human-to-human) and inter-species (flying bat-to-human, pig-to-human, horse-to-human). The infection can be spread by humans or animals in different ways. It is peculiar how the viral transmission modes among different hosts also change depending on the geographical area for different reasons, including different breeding methods, eating habits and the recently identified genetic traits/molecular features of main virus proteins related to virulence. Outbreaks have been described in Malaysia, Singapore, Bangladesh, India and the Philippines with, in some cases, severe respiratory and neurological disease and high mortality in both humans and pigs. Diagnosis can be made using different methods including serological, molecular, virological and immunohistochemical methods. The cornerstones for control of the disease are biosecurity (via the correct management of reservoir and intermediate/amplifying hosts) and potential vaccines which are still under development. However, the evaluation of the potential influence of climate and anthropogenic changes on the NiV reservoir bats and their habitat as well as on disease spread and inter-specific infections is of great importance. Bats, as natural reservoirs of the virus, are responsible for the viral spread and, therefore, for the outbreaks of the disease in humans and animals. Due to the worldwide distribution of bats, potential new reports and spillovers are not to be dismissed in the future.
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Affiliation(s)
- Luigi Bruno
- Department of Prevention, Azienda Sanitaria Locale (A.S.L.) Napoli 3 Sud, 80053 Castellammare di Stabia, Italy
- Correspondence: (L.B.); (L.F.)
| | - Maria Anna Nappo
- Department of Prevention, Azienda Sanitaria Locale (A.S.L.) Napoli 3 Sud, 80053 Castellammare di Stabia, Italy
| | - Luca Ferrari
- Department of Veterinary Science, University of Parma, 43126 Parma, Italy
- Correspondence: (L.B.); (L.F.)
| | - Rosanna Di Lecce
- Department of Veterinary Science, University of Parma, 43126 Parma, Italy
| | - Chiara Guarnieri
- Department of Veterinary Science, University of Parma, 43126 Parma, Italy
| | - Anna Maria Cantoni
- Department of Veterinary Science, University of Parma, 43126 Parma, Italy
| | - Attilio Corradi
- Department of Veterinary Science, University of Parma, 43126 Parma, Italy
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24
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Non-alcoholic fatty liver disease and liver secretome. Arch Pharm Res 2022; 45:938-963. [PMCID: PMC9703441 DOI: 10.1007/s12272-022-01419-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 11/15/2022] [Indexed: 11/29/2022]
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25
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Lin X, Ding M, Chen T, Min S, Wang D, Jiang G. Peripheral blood IL-6 levels in systemic sclerosis patients: Correlation between IL-6 levels and clinical phenotypes. J Cosmet Dermatol 2022; 21:6086-6091. [PMID: 35634998 DOI: 10.1111/jocd.15133] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/28/2022] [Accepted: 05/24/2022] [Indexed: 12/27/2022]
Abstract
OBJECTIVE Detect the expression of Interleukin-6 (IL-6) in the serum of patients with systemic sclerosis (SSc) and assess its association with clinical and laboratory features of the disease. METHODS The clinical data from 50 patients with SSc in the affiliated hospital of Xuzhou Medical University, China were retrospectively analyzed. The level of IL-6 in peripheral blood of systemic sclerosis patients was compared between the different clinical phenotypes groups. Spearman correlation test was used to analyze the correlation of the IL-6 with C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), creatinine, and cystatin C. RESULTS Interleukin-6 increased in the disease course ≥5 years, systemic sclerosis-Interstitial lung disease (SSc-ILD), pulmonary arterial hypertension (PAH), gastrointestinal involvement, and cardiac involvement group compared with the group with disease course <5 years, no SSc-ILD, PAH, gastrointestinal involvement, and no cardiac involvement group. The differences were statistically significant (p < 0.05). Correlation analysis showed that IL-6 in the group with disease course ≥5 years had a positive correlation with ESR (Rs = 0.438, p = 0.022) and CRP (Rs = 0.825, P < 0.001), whereas it was negatively correlated with creatinine (Rs = -0.481, p = 0.011). Nevertheless, when it came to disease course <5 years, the figures had no statistically significant difference. CONCLUSION Serum IL-6 in patients with systemic sclerosis is related to different clinical phenotypes. IL-6 helps to diagnose various phases of diseases, monitor severities of diseases, and predict the prognosis of patients.
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Affiliation(s)
- Xiao Lin
- Department of dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Mingming Ding
- Department of dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Tan Chen
- Xuzhou Medical University, Xuzhou, China
| | - Shuhui Min
- Department of dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Danfeng Wang
- Department of dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Guan Jiang
- Department of dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
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Liu Y, Liu J, Liu A, Yin H, Burd I, Lei J. Maternal siRNA silencing of placental SAA2 mitigates preterm birth following intrauterine inflammation. Front Immunol 2022; 13:902096. [PMID: 36211368 PMCID: PMC9539923 DOI: 10.3389/fimmu.2022.902096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022] Open
Abstract
The placental inflammatory processes induced maternally result in preterm birth (PTB). Serum amyloid A (SAA) is a well-known biomarker of inflammation. The objective of this study was to investigate whether murine placental SAA isoforms (SAA1–4) participate in the mechanism of spontaneous PTB and whether maternal regulation of SAA production may serve as a therapeutic approach. During the gestation, all isoforms of SAA were detectable except SAA2. The mouse model of intrauterine inflammation was established using LPS infusion to the uterus. Following intrauterine inflammation, placental SAA2 increased significantly. Inhibition of Saa2, using siSaa2, markedly decreased PTB. The increased placental expression of pro-inflammatory cytokines Il1β, Il6, and Tnfα were downregulated by siSaa2 treatment. Maternal inhibition of Saa2 did not change the expression of Saa1–4 in the fetal brain. Explant inflammatory culture of placentas with siSaa2 showed similar results to our in vivo experiments. This study demonstrates the highly expressed placental SAA2 as a novel therapeutic target, and maternal administration of siRNA as a promising approach to alleviate PTB.
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Affiliation(s)
- Yang Liu
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Obstetrics and Gynecology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Jin Liu
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Anguo Liu
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Hillary Yin
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Irina Burd
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- *Correspondence: Irina Burd, ; Jun Lei,
| | - Jun Lei
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- *Correspondence: Irina Burd, ; Jun Lei,
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Aguilar-Cazares D, Chavez-Dominguez R, Marroquin-Muciño M, Perez-Medina M, Benito-Lopez JJ, Camarena A, Rumbo-Nava U, Lopez-Gonzalez JS. The systemic-level repercussions of cancer-associated inflammation mediators produced in the tumor microenvironment. Front Endocrinol (Lausanne) 2022; 13:929572. [PMID: 36072935 PMCID: PMC9441602 DOI: 10.3389/fendo.2022.929572] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/01/2022] [Indexed: 12/15/2022] Open
Abstract
The tumor microenvironment is a dynamic, complex, and redundant network of interactions between tumor, immune, and stromal cells. In this intricate environment, cells communicate through membrane-membrane, ligand-receptor, exosome, soluble factors, and transporter interactions that govern cell fate. These interactions activate the diverse and superfluous signaling pathways involved in tumor promotion and progression and induce subtle changes in the functional activity of infiltrating immune cells. The immune response participates as a selective pressure in tumor development. In the early stages of tumor development, the immune response exerts anti-tumor activity, whereas during the advanced stages, the tumor establishes mechanisms to evade the immune response, eliciting a chronic inflammation process that shows a pro-tumor effect. The deregulated inflammatory state, in addition to acting locally, also triggers systemic inflammation that has repercussions in various organs and tissues that are distant from the tumor site, causing the emergence of various symptoms designated as paraneoplastic syndromes, which compromise the response to treatment, quality of life, and survival of cancer patients. Considering the tumor-host relationship as an integral and dynamic biological system, the chronic inflammation generated by the tumor is a communication mechanism among tissues and organs that is primarily orchestrated through different signals, such as cytokines, chemokines, growth factors, and exosomes, to provide the tumor with energetic components that allow it to continue proliferating. In this review, we aim to provide a succinct overview of the involvement of cancer-related inflammation at the local and systemic level throughout tumor development and the emergence of some paraneoplastic syndromes and their main clinical manifestations. In addition, the involvement of these signals throughout tumor development will be discussed based on the physiological/biological activities of innate and adaptive immune cells. These cellular interactions require a metabolic reprogramming program for the full activation of the various cells; thus, these requirements and the by-products released into the microenvironment will be considered. In addition, the systemic impact of cancer-related proinflammatory cytokines on the liver-as a critical organ that produces the leading inflammatory markers described to date-will be summarized. Finally, the contribution of cancer-related inflammation to the development of two paraneoplastic syndromes, myelopoiesis and cachexia, will be discussed.
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Affiliation(s)
- Dolores Aguilar-Cazares
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - Rodolfo Chavez-Dominguez
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
- Posgrado en Ciencias Biologicas, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico
| | - Mario Marroquin-Muciño
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
- Laboratorio de Quimioterapia Experimental, Departamento de Bioquimica, Escuela Nacional de Ciencias Biologicas, Instituto Politecnico Nacional, Mexico City, Mexico
| | - Mario Perez-Medina
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
- Laboratorio de Quimioterapia Experimental, Departamento de Bioquimica, Escuela Nacional de Ciencias Biologicas, Instituto Politecnico Nacional, Mexico City, Mexico
| | - Jesus J. Benito-Lopez
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
- Posgrado en Ciencias Biologicas, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico
| | - Angel Camarena
- Laboratorio de Human Leukocyte Antigen (HLA), Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - Uriel Rumbo-Nava
- Clinica de Neumo-Oncologia, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - Jose S. Lopez-Gonzalez
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
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Singh E, Banerjee R. In vivo efficacy & phantom imaging connote the theranostic potential of a drug-loaded lipid nanobubble. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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29
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Goodla L, Xue X. The Role of Inflammatory Mediators in Colorectal Cancer Hepatic Metastasis. Cells 2022; 11:2313. [PMID: 35954156 PMCID: PMC9367504 DOI: 10.3390/cells11152313] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/24/2022] [Accepted: 07/26/2022] [Indexed: 01/27/2023] Open
Abstract
Colorectal cancer (CRC) is the second leading cause of death in cancer patients in the USA, whereas the major cause of CRC deaths is hepatic metastases. The liver is the most common site of metastasis in patients with CRC due to hepatic portal veins receiving blood from the digestive tract. Understanding the cellular and molecular mechanisms of hepatic metastases is of dire need for the development of potent targeted therapeutics. Immuno-signaling molecules including cytokines and chemokines play a pivotal role in hepatic metastases from CRC. This brief review discusses the involvement of three representative cytokines (TNF-α, IL-6 and IL-1β), a lipid molecule PGE2 and two chemokines (CXCL1 and CXCL2) in the process of CRC liver metastases.
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Affiliation(s)
| | - Xiang Xue
- Department of Biochemistry and Molecular Biology, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA;
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Rossi JF, Chiang HC, Lu ZY, Levon K, van Rhee F, Kanhai K, Fajgenbaum DC, Klein B. Optimisation of anti-interleukin-6 therapy: Precision medicine through mathematical modelling. Front Immunol 2022; 13:919489. [PMID: 35928820 PMCID: PMC9345304 DOI: 10.3389/fimmu.2022.919489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 06/27/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundDysregulated interleukin (IL)-6 production can be characterised by the levels present, the kinetics of its rise and its inappropriate location. Rapid, excessive IL-6 production can exacerbate tissue damage in vital organs. In this situation, therapy with an anti-IL-6 or anti-IL-6 receptor (IL-6R) monoclonal antibody, if inappropriately dosed, may be insufficient to fully block IL-6 signalling and normalise the immune response.MethodsWe analysed inhibition of C-reactive protein (CRP) – a biomarker for IL-6 activity – in patients with COVID-19 or idiopathic multicentric Castleman disease (iMCD) treated with tocilizumab (anti-IL-6R) or siltuximab (anti-IL-6), respectively. We used mathematical modelling to analyse how to optimise anti-IL-6 or anti-IL-6R blockade for the high levels of IL-6 observed in these diseases.ResultsIL-6 signalling was insufficiently inhibited in patients with COVID-19 or iMCD treated with standard doses of anti-IL-6 therapy. Patients whose disease worsened throughout therapy had only partial inhibition of CRP production. Our model demonstrated that, in a scenario representative of iMCD with persistent high IL-6 production not controlled by a single dose of anti-IL-6 therapy, repeated administration more effectively inhibited IL-6 activity. In a situation with rapid, high, dysregulated IL-6 production, such as severe COVID-19 or a cytokine storm, repeated daily administration of an anti-IL-6/anti-IL-6R agent, or alternating daily doses of anti-IL-6 and anti-IL-6R therapies, could neutralise IL-6 activity.ConclusionIn clinical practice, IL-6 inhibition should be individualised based on pathophysiology to achieve full blockade of CRP production.FundingEUSA Pharma funded medical writing assistance and provided access to the phase II clinical data of siltuximab for analysis.
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Affiliation(s)
- Jean-François Rossi
- Hématologie-Immunothérapie, Institut du Cancer Avignon-Provence, Sainte Catherine, Avignon, France
- Faculté de Médecine Montpellier, Université de Montpellier, Montpellier, France
- *Correspondence: Jean-François Rossi,
| | - Hao-Chun Chiang
- New York University (NYU) Tandon School of Engineering, Brooklyn, NY, United States
| | - Zhao-Yang Lu
- Unité de Thérapie Cellulaire, CHU Montpellier Saint-Eloi, Montpellier, France
| | - Kalle Levon
- New York University (NYU) Tandon School of Engineering, Brooklyn, NY, United States
| | - Frits van Rhee
- Myeloma Center, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Karan Kanhai
- Medical Affairs, EUSA Pharma, Hemel Hempstead, United Kingdom
| | - David C. Fajgenbaum
- Center for Cytokine Storm Treatment & Laboratory, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
- Division of Translational Medicine and Human Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Bernard Klein
- Faculté de Médecine Montpellier, Université de Montpellier, Montpellier, France
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Maioli G, Caporali R, Favalli EG. Lessons learned from the preclinical discovery and development of sarilumab for the treatment of rheumatoid arthritis. Expert Opin Drug Discov 2022; 17:799-813. [PMID: 35757853 DOI: 10.1080/17460441.2022.2093852] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Rheumatoid arthritis (RA) pathogenesis is driven by a complex network of proinflammatory cytokines, among which interleukin-6 (IL-6) plays a key role in inducing and perpetuating chronic inflammation. Targeting the IL-6 pathway has shown to be an invaluable treatment strategy, as demonstrated by the results accrued in the last decade with the first IL-6 inhibitor, tocilizumab. More recently, a second monoclonal antibody blocking IL-6, sarilumab, has enriched our armamentarium by proving outstanding efficacy in RA treatment. AREAS COVERED After exploring the IL-6 pathway under physiological conditions and in the RA pathogenesis, in this review we discuss the pharmacologic properties of sarilumab and the clinical trials that constitute the sarilumab development program and have enabled its licensed application. EXPERT OPINION Results from clinical trials confirmed the efficacy and safety of sarilumab for the treatment of RA, similar to its precursor tocilizumab. Blocking IL-6 pathway results in comprehensive control of the disease, from both physician's and patient's perspective, and of RA comorbidities and extra-articular manifestations which are largely IL-6 driven. Finally, the proven efficacy of sarilumab as monotherapy arises the drug as a required therapeutic alternative considering the large proportion of patients intolerant or inadequate to receive conventional synthetic disease-modifying drugs (csDMARDs).
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Affiliation(s)
- Gabriella Maioli
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, Milan, Italy.,Department of Clinical Sciences and Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy
| | - Roberto Caporali
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, Milan, Italy.,Department of Clinical Sciences and Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy
| | - Ennio Giulio Favalli
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, Milan, Italy.,Department of Clinical Sciences and Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy
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32
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Kim JW, Jung JY, Suh CH, Kim HA. Flare of adult-onset Still's disease following mRNA COVID-19 vaccination: a case report and review of literature. Clin Rheumatol 2022; 41:1583-1589. [PMID: 35182269 PMCID: PMC8857632 DOI: 10.1007/s10067-022-06106-1] [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: 12/24/2021] [Revised: 02/02/2022] [Accepted: 02/15/2022] [Indexed: 11/30/2022]
Abstract
The upheaval caused by the coronavirus disease 2019 (COVID-19) pandemic has allowed to large population to use new vaccines urgently. Although vaccine development programs and available epidemiological data reassure us, there are concerns about specific risks associated with vaccinations in patients with autoimmune-autoinflammatory diseases. These patients have the potential to decrease humoral and cellular immune responses caused by biologic agents and develop an acute flare of underlying disease following vaccination. We herein present a rare case of a 49-year-old female with a flare of adult-onset Still's disease (AOSD) after the first dose of BNT162b2 mRNA COVID-19 vaccination. She had been diagnosed with AOSD 7 years earlier and had achieved remission with tocilizumab. This patient came to the emergency room with fever and nausea that occurred 4 days after the first vaccination. Based on laboratory results and clinical manifestations, we suspected AOSD flare and was treated with steroid pulse therapy. In this report, we also discuss possible mechanisms linking vaccination with a flare of AOSD. Considering the close time relationship between COVID-19 vaccinations and a flare of AOSD, physicians should be aware of adverse events from this new vaccination and evaluate the benefits and risks of vaccination for each patient. KEY POINTS: • COVID-19 vaccination may cause an AOSD flare in patients who are in remission with tocilizumab.
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Affiliation(s)
- Ji-Won Kim
- Department of Rheumatology, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea
| | - Ju-Yang Jung
- Department of Rheumatology, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea
| | - Chang-Hee Suh
- Department of Rheumatology, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea
| | - Hyoun-Ah Kim
- Department of Rheumatology, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea.
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Manore SG, Doheny DL, Wong GL, Lo HW. IL-6/JAK/STAT3 Signaling in Breast Cancer Metastasis: Biology and Treatment. Front Oncol 2022; 12:866014. [PMID: 35371975 PMCID: PMC8964978 DOI: 10.3389/fonc.2022.866014] [Citation(s) in RCA: 141] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 02/16/2022] [Indexed: 12/12/2022] Open
Abstract
Breast cancer is the most commonly diagnosed cancer in women. Metastasis is the primary cause of mortality for breast cancer patients. Multiple mechanisms underlie breast cancer metastatic dissemination, including the interleukin-6 (IL-6)-mediated signaling pathway. IL-6 is a pleiotropic cytokine that plays an important role in multiple physiological processes including cell proliferation, immune surveillance, acute inflammation, metabolism, and bone remodeling. IL-6 binds to the IL-6 receptor (IL-6Rα) which subsequently binds to the glycoprotein 130 (gp130) receptor creating a signal transducing hexameric receptor complex. Janus kinases (JAKs) are recruited and activated; activated JAKs, in turn, phosphorylate signal transducer and activator of transcription 3 (STAT3) for activation, leading to gene regulation. Constitutively active IL-6/JAK/STAT3 signaling drives cancer cell proliferation and invasiveness while suppressing apoptosis, and STAT3 enhances IL-6 signaling to promote a vicious inflammatory loop. Aberrant expression of IL-6 occurs in multiple cancer types and is associated with poor clinical prognosis and metastasis. In breast cancer, the IL-6 pathway is frequently activated, which can promote breast cancer metastasis while simultaneously suppressing the anti-tumor immune response. Given these important roles in human cancers, multiple components of the IL-6 pathway are promising targets for cancer therapeutics and are currently being evaluated preclinically and clinically for breast cancer. This review covers the current biological understanding of the IL-6 signaling pathway and its impact on breast cancer metastasis, as well as, therapeutic interventions that target components of the IL-6 pathway including: IL-6, IL-6Rα, gp130 receptor, JAKs, and STAT3.
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Affiliation(s)
- Sara G Manore
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Daniel L Doheny
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Grace L Wong
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Hui-Wen Lo
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States.,Wake Forest Baptist Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC, United States
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Felcher CM, Bogni ES, Kordon EC. IL-6 Cytokine Family: A Putative Target for Breast Cancer Prevention and Treatment. Int J Mol Sci 2022; 23:ijms23031809. [PMID: 35163731 PMCID: PMC8836921 DOI: 10.3390/ijms23031809] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 12/11/2022] Open
Abstract
The IL-6 cytokine family is a group of signaling molecules with wide expression and function across vertebrates. Each member of the family signals by binding to its specific receptor and at least one molecule of gp130, which is the common transmembrane receptor subunit for the whole group. Signal transduction upon stimulation of the receptor complex results in the activation of multiple downstream cascades, among which, in mammary cells, the JAK-STAT3 pathway plays a central role. In this review, we summarize the role of the IL-6 cytokine family—specifically IL-6 itself, LIF, OSM, and IL-11—as relevant players during breast cancer progression. We have compiled evidence indicating that this group of soluble factors may be used for early and more precise breast cancer diagnosis and to design targeted therapy to treat or even prevent metastasis development, particularly to the bone. Expression profiles and possible therapeutic use of their specific receptors in the different breast cancer subtypes are also described. In addition, participation of these cytokines in pathologies of the breast linked to lactation and involution of the gland, as post-partum breast cancer and mastitis, is discussed.
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Affiliation(s)
- Carla M. Felcher
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Universidad de Buenos Aires—Consejo Nacional de Investigaciones Científicas y Técnicas (IFIBYNE-UBA-CONICET), Ciudad Autónoma de Buenos Aires (CABA) 1428, Argentina; (C.M.F.); (E.S.B.)
| | - Emilia S. Bogni
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Universidad de Buenos Aires—Consejo Nacional de Investigaciones Científicas y Técnicas (IFIBYNE-UBA-CONICET), Ciudad Autónoma de Buenos Aires (CABA) 1428, Argentina; (C.M.F.); (E.S.B.)
| | - Edith C. Kordon
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Universidad de Buenos Aires—Consejo Nacional de Investigaciones Científicas y Técnicas (IFIBYNE-UBA-CONICET), Ciudad Autónoma de Buenos Aires (CABA) 1428, Argentina; (C.M.F.); (E.S.B.)
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires (CABA) 1428, Argentina
- Correspondence:
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35
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Li B, Zhang L, Liu Y, Xiao J, Wang X, Wei Y, Fan L, Duan Y, Li G, Kong Y, Zhao H. Manifestations and Related Risk Factors of Thrombocyte Abnormalities in HIV-Positive Patients Before and After the Initiation of ART. Infect Drug Resist 2021; 14:4809-4819. [PMID: 34819736 PMCID: PMC8607126 DOI: 10.2147/idr.s334046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 11/04/2021] [Indexed: 01/20/2023] Open
Abstract
Background At present, the thrombocyte abnormality is not well described before and after the initiation of antiretroviral therapy (ART). The purpose of this research is to investigate the dynamic changes and related risk factors of thrombocytopenia and thrombocytosis in HIV-infected individuals. Methods We performed a real-world observational study among 6637 HIV patients who started ART from January, 2013 to August, 2020 at the Beijing Ditan Hospital. Hazard indicators linked with thrombocytopenia and thrombocytosis were analyzed by logistic/Cox regression. Results The prevalence of thrombocytopenia and thrombocytosis was 2.65% and 5.85% among ART-naïve patients, respectively. Correlated risk factors: (thrombocytopenia) older age, coinfection with HBV, leucopenia, anemia, and CD4 count <350 cells/uL; (thrombocytosis) WBC level ≥4.0 x 109/L, anemia, NLR ≥2.0, and CD4 count ≥350 cells/uL. As for the recovery rate, it was 86.6/54.2, 83.4/46.3, 66.0/35.1, and 65.3/ 33.9 per 100 PYFU in thrombocytopenia/thrombocytosis at different treatment period (12m, 24m, 36m, and 48m). While the new-onset incidence of thrombocytopenia/thrombocytosis at different ART period (12m, 24m, 36m, 48m, 60m, 72m, and 84m) was 0.25/7.2, 0.19/6.31, 0.16/4.74, 0.16/4.55, 0.16/4.48, 0.15/4.41, and 0.15/4.39. And the driving forces of thrombocytosis were antiretroviral treatment, female, overweight, and WBC level ≥ 4.0 x 109/L. Conclusion In the medical practice, while paying attention to thrombocytopenia, clinicians should be highly vigilant about the thrombocytosis of HIV/AIDS patients, and related treatment strategies need to be further studied.
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Affiliation(s)
- Bei Li
- Clinical and Research Center of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Leidan Zhang
- Department of Infection, Beijing Ditan Hospital, Peking University, Beijing, People's Republic of China
| | - Ying Liu
- Clinical and Research Center of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Jing Xiao
- Department of Infection, Beijing Ditan Hospital, Peking University, Beijing, People's Republic of China
| | - Xinyue Wang
- Department of Infection, Beijing Ditan Hospital, Peking University, Beijing, People's Republic of China
| | - Yuqing Wei
- Clinical and Research Center of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Lina Fan
- Department of Infectious Disease, The Tianjin Second People's Hospital, Tianjin, People's Republic of China
| | - Yujiao Duan
- Clinical and Research Center of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Guoli Li
- Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Yaxian Kong
- Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Hongxin Zhao
- Clinical and Research Center of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, People's Republic of China
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Selective Inhibition of IL-6 Trans-Signaling Has No Beneficial Effect on the Posttraumatic Cytokine Release after Multiple Trauma in Mice. Life (Basel) 2021; 11:life11111252. [PMID: 34833127 PMCID: PMC8617644 DOI: 10.3390/life11111252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/02/2021] [Accepted: 11/13/2021] [Indexed: 12/26/2022] Open
Abstract
While improvements in pre-hospital and in-hospital care allow more multiple trauma patients to advance to intensive care, the incidence of posttraumatic multiple organ dysfunction syndrome (MODS) is on the rise. Herein, the influence of a selective IL-6 trans-signaling inhibition on posttraumatic cytokine levels was investigated as an approach to prevent MODS caused by a dysbalanced posttraumatic immune reaction. Therefore, the artificial IL-6 trans-signaling inhibitor sgp130Fc was deployed in a murine multiple trauma model (femoral fracture plus bilateral chest trauma). The traumatized mice were treated with sgp130Fc (FP) and compared to untreated mice (WT) and IL-6 receptor knockout mice (RKO), which received the same traumas. The overall trauma mortality was 4.4%. Microscopic pulmonary changes were apparent after multiple trauma and after isolated bilateral chest trauma. Elevated IL-6, MCP-3 and RANTES plasma levels were measured after trauma, indicating a successful induction of a systemic inflammatory reaction. Significantly reduced IL-6 and RANTES plasma levels were visible in RKO compared to WT. Only a little effect was visible in FP compared to WT. Comparable cytokine levels in WT and FP indicate neither a protective nor an adverse effect of sgp130Fc on the cytokine release after femoral fracture and bilateral chest trauma.
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37
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Jarlborg M, Gabay C. Systemic effects of IL-6 blockade in rheumatoid arthritis beyond the joints. Cytokine 2021; 149:155742. [PMID: 34688020 DOI: 10.1016/j.cyto.2021.155742] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 09/13/2021] [Accepted: 10/05/2021] [Indexed: 12/15/2022]
Abstract
Interleukin (IL)-6 is produced locally in response to an inflammatory stimulus, and is able to induce systemic manifestations at distance from the site of inflammation. Its unique signaling mechanism, including classical and trans-signaling pathways, leads to a major expansion in the number of cell types responding to IL-6. This pleiotropic cytokine is a key factor in the pathogenesis of rheumatoid arthritis (RA) and is involved in many extra-articular manifestations that accompany the disease. Thus, IL-6 blockade is associated with various biological effects beyond the joints. In this review, the systemic effects of IL-6 in RA comorbidities and the consequences of its blockade will be discussed, including anemia of chronic disease, cardiovascular risks, bone and muscle functions, and neuro-psychological manifestations.
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Affiliation(s)
- Matthias Jarlborg
- Division of Rheumatology, University Hospital of Geneva, and Department of Pathology and Immunology, University of Geneva School of Medicine, Geneva, Switzerland; VIB-UGent Center for Inflammation Research and Ghent University, Ghent, Belgium
| | - Cem Gabay
- Division of Rheumatology, University Hospital of Geneva, and Department of Pathology and Immunology, University of Geneva School of Medicine, Geneva, Switzerland.
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Morita A, Imagawa K, Ishiodori T, Tagawa M, Takada H. Kawasaki disease with dilatation of the common bile duct: A case report and review of literature. Int J Rheum Dis 2021; 24:1325-1330. [PMID: 34424609 DOI: 10.1111/1756-185x.14208] [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: 07/05/2021] [Revised: 07/20/2021] [Accepted: 08/12/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Kawasaki disease (KD) is a syndrome that results in acute systemic vasculitis and is a major cause of acquired heart disease in developed countries. KD is diagnosed based on certain characteristic symptoms and echocardiogram results. It has been reported that abdominal ultrasound is of value in supporting the diagnosis of KD. Nevertheless, abdominal ultrasound is not a routine procedure in KD. Moreover, dilatation of the common bile duct (CBD) has been rarely reported in previous cases. CASE PRESENTATION A 4-year-old boy presented with fever and markedly high transaminase level (aspartate aminotransferase, 5323 U/L; alanine aminotransferase, 1554 U/L). The patient was diagnosed as having KD based on characteristic symptoms and echocardiogram findings. Ultrasound revealed dilatation of the CBD as well as cervical lymphadenopathy resembling a cluster of grapes, thickening of the gallbladder wall, and increased periportal echogenicity throughout the liver parenchyma. The patient received initial treatment with intravenous immunoglobulin at day 4 of fever and second-line treatment with intravenous immunoglobulin and prednisolone because of recurrent fever on day 6. Dilatation of the CBD was improved from 6.6 mm on day 4 to 3.1 mm on day 8. Although re-dilatation was observed, it gradually diminished and normalized (4.3 mm on day 28, 4.0 mm on day 63, 3.3 mm on day 105, and 2.8 mm on day 182). CONCLUSION This case highlights the usefulness of abdominal ultrasound and the importance of considering dilatation of the CBD as one of the complications of KD.
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Affiliation(s)
- Atsushi Morita
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Japan
| | - Kazuo Imagawa
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Japan.,Department of Child Health, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Takumi Ishiodori
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Japan
| | - Manabu Tagawa
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Japan.,Department of Child Health, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Hidetoshi Takada
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Japan.,Department of Child Health, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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Su JH, Luo MY, Liang N, Gong SX, Chen W, Huang WQ, Tian Y, Wang AP. Interleukin-6: A Novel Target for Cardio-Cerebrovascular Diseases. Front Pharmacol 2021; 12:745061. [PMID: 34504432 PMCID: PMC8421530 DOI: 10.3389/fphar.2021.745061] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 08/09/2021] [Indexed: 12/18/2022] Open
Abstract
Cardio-Cerebrovascular Disease is a collective term for cardiovascular disease and cerebrovascular disease, being a serious threat to human health. A growing number of studies have proved that the content of inflammatory factors or mediators determines the stability of vascular plaque and the incidence of cardio-cerebrovascular event, and involves in the process of Cardio-Cerebrovascular Diseases. Interleukin-6 is a widely used cytokine that causes inflammation and oxidative stress, which would further result in cardiac and cerebral injury. The increased expression of interleukin-6 is closely related to atherosclerosis, myocardial infarction, heart failure and ischemic stroke. It is a key risk factor for these diseases by triggering inflammatory reaction and inducing other molecules release. Therefore, interleukin-6 may become a potential target for Cardio-Cerebrovascular Diseases in the future. This paper is aimed to discuss the expression changes and pathological mechanisms of interleukin-6 in Cardio-Cerebrovascular Diseases, and to provide a novel strategy for the prevention and treatment of Cardio-Cerebrovascular Diseases.
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Affiliation(s)
- Jian-Hui Su
- Institute of Clinical Research, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Meng-Yi Luo
- Institute of Clinical Research, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Na- Liang
- Department of Anesthesiology, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Hengyang, China
| | - Shao-Xin Gong
- Department of Pathology, First Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, China
| | - Wei Chen
- Institute of Clinical Research, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Wen-Qian Huang
- Institute of Clinical Research, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Ying Tian
- Institute of Clinical Research, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Hengyang, China
| | - Ai-Ping Wang
- Institute of Clinical Research, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
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Abstract
Dendritic cells (DCs) are efficient antigen-presenting cells that serve as a link between the innate and adaptive immune systems. These cells are broadly involved in cellular and humoral immune responses by presenting antigens to initiate T cell reactions, cytokine and chemokine secretion, T cell differentiation and expansion, B cell activation and regulation, and the mediation of immune tolerance. The functions of DCs depend on their activation status, which is defined by the stages of maturation, phenotype differentiation, and migration ability, among other factors. IL-6 is a soluble mediator mainly produced by a variety of immune cells, including DCs, that exerts pleiotropic effects on immune and inflammatory responses through interaction with specific receptors expressed on the surface of target cells. Here, we review the role of IL-6, when generated in an inflammatory context or as derived from DCs, in modulating the biologic function and activation status of DCs and emphasize the importance of searching for novel strategies to target the IL-6/IL-6 signaling pathway as a means to diminish the inflammatory activity of DCs in immune response or to prime the immunogenic activity of DCs in immunosuppressive conditions.
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Affiliation(s)
- Yu-Dong Xu
- Shanghai Research Institute of Acupuncture and Meridian, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Mi Cheng
- Shanghai Research Institute of Acupuncture and Meridian, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Pan-Pan Shang
- Shanghai Research Institute of Acupuncture and Meridian, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yong-Qing Yang
- Shanghai Research Institute of Acupuncture and Meridian, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Sivandzadeh GR, Askari H, Safarpour AR, Ejtehadi F, Raeis-Abdollahi E, Vaez Lari A, Abazari MF, Tarkesh F, Bagheri Lankarani K. COVID-19 infection and liver injury: Clinical features, biomarkers, potential mechanisms, treatment, and management challenges. World J Clin Cases 2021; 9:6178-6200. [PMID: 34434987 PMCID: PMC8362548 DOI: 10.12998/wjcc.v9.i22.6178] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 05/07/2021] [Accepted: 06/25/2021] [Indexed: 02/06/2023] Open
Abstract
It is hypothesized that liver impairment caused by coronavirus disease 2019 (COVID-19) infection might play a central role in severe clinical presentations. Liver injury is closely associated with severe disease and, even with antiviral drugs, have a poor prognosis in COVID-19 patients. In addition to the common hepatobiliary disorders caused by COVID-19, patients with pre-existing liver diseases demand special considerations during the current pandemic. Thus, it is vital that upon clinical presentation, patients with concurrent pre-existing liver disease associated with metabolic dysfunction and COVID-19 be managed properly to prevent liver failure. Careful monitoring and early detection of liver damage through biomarkers after hospitalization for COVID-19 is underscored in all cases, particularly in those with pre-existing metabolic liver injury. The purpose of this study was to determine most recent evidence regarding causality, potential risk factors, and challenges, therapeutic options, and management of COVID-19 infection in vulnerable patients with pre-existing liver injury. This review aims to highlight the current frontier of COVID-19 infection and liver injury and the direction of liver injury in these patients.
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Affiliation(s)
- Gholam Reza Sivandzadeh
- Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz 7193635899, Iran
| | - Hassan Askari
- Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz 7193635899, Iran
| | - Ali Reza Safarpour
- Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz 7193635899, Iran
| | - Fardad Ejtehadi
- Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz 7193635899, Iran
| | - Ehsan Raeis-Abdollahi
- Department of Medical Sciences, Qom Medical Branch, Islamic Azad University, Qom 1417613151, Iran
| | - Armaghan Vaez Lari
- Department of Physiology, School of Medicine, Ahvaz Jundishapur University of Medical Science, Ahvaz 6135715794, Iran
| | - Mohammad Foad Abazari
- Research Center for Clinical Virology, Tehran University of Medical Sciences, Tehran 1417653761, Iran
| | - Firoozeh Tarkesh
- Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz 7193635899, Iran
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42
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Nazet U, Neubert P, Schatz V, Grässel S, Proff P, Jantsch J, Schröder A, Kirschneck C. Differential gene expression response of synovial fibroblasts from temporomandibular joints and knee joints to dynamic tensile stress. J Orofac Orthop 2021; 83:361-375. [PMID: 34142176 PMCID: PMC9596579 DOI: 10.1007/s00056-021-00309-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 04/18/2021] [Indexed: 12/17/2022]
Abstract
Purpose Apart from other risk factors, mechanical stress on joints can promote the development of osteoarthritis (OA), which can also affect the temporomandibular joint (TMJ), resulting in cartilage degeneration and synovitis. Synovial fibroblasts (SF) play an important role in upkeeping joint homeostasis and OA pathogenesis, but mechanical stress as a risk factor might act differently depending on the type of joint. We thus investigated the relative impact of mechanical stress on the gene expression pattern of SF from TMJs and knee joints to provide new insights into OA pathogenesis. Methods Primary SF isolated from TMJs and knee joints of mice were exposed to mechanical strain of varying magnitudes. Thereafter, the expression of marker genes of the extracellular matrix (ECM), inflammation and bone remodelling were analysed by quantitative real-time polymerase chain reaction (RT-qPCR). Results SF from the knee joints showed increased expression of genes associated with ECM remodelling, inflammation and bone remodelling after mechanical loading, whereas TMJ-derived SF showed reduced expression of genes associated with inflammation and bone remodelling. SF from the TMJ differed from knee-derived SF with regard to expression of ECM, inflammatory and osteoclastogenesis-promoting marker genes during mechanical strain. Conclusions Osteoarthritis-related ECM remodelling markers experience almost no changes in strain-induced gene expression, whereas inflammation and bone remodelling processes seem to differ depending on synovial fibroblast origin. Our data indicate that risk factors for the development and progression of osteoarthritis such as mechanical overuse have a different pathological impact in the TMJ compared to the knee joint. Supplementary Information The online version of this article (10.1007/s00056-021-00309-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ute Nazet
- Department of Orthodontics, University Medical Centre of Regensburg, Regensburg, Germany.
| | - Patrick Neubert
- Institute of Clinical Microbiology and Hygiene, University Hospital of Regensburg, Regensburg, Germany
| | - Valentin Schatz
- Institute of Clinical Microbiology and Hygiene, University Hospital of Regensburg, Regensburg, Germany
| | - Susanne Grässel
- Department of Orthopaedic Surgery, Experimental Orthopaedics, Centre for Medical Biotechnology, University of Regensburg, Regensburg, Germany
| | - Peter Proff
- Department of Orthodontics, University Medical Centre of Regensburg, Regensburg, Germany
| | - Jonathan Jantsch
- Institute of Clinical Microbiology and Hygiene, University Hospital of Regensburg, Regensburg, Germany
| | - Agnes Schröder
- Department of Orthodontics, University Medical Centre of Regensburg, Regensburg, Germany
| | - Christian Kirschneck
- Department of Orthodontics, University Medical Centre of Regensburg, Regensburg, Germany
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43
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Reif A, Lam K, Weidler S, Lott M, Boos I, Lokau J, Bretscher C, Mönnich M, Perkams L, Schmälzlein M, Graf C, Fischer J, Lechner C, Hallstein K, Becker S, Weyand M, Steegborn C, Schultheiss G, Rose‐John S, Garbers C, Unverzagt C. Natural Glycoforms of Human Interleukin 6 Show Atypical Plasma Clearance. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Andreas Reif
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Kevin Lam
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Sascha Weidler
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Marie Lott
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Irene Boos
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Juliane Lokau
- Department of Pathology Medical Faculty Otto von Guericke University Magdeburg 39120 Magdeburg Germany
| | | | - Manuel Mönnich
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Lukas Perkams
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Marina Schmälzlein
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Christopher Graf
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Jan‐Patrick Fischer
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Carolin Lechner
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Kerstin Hallstein
- Protein Engineering & Antibody Technologies Merck Healthcare KGaA Frankfurter Str. 250 64293 Darmstadt Germany
| | - Stefan Becker
- Protein Engineering & Antibody Technologies Merck Healthcare KGaA Frankfurter Str. 250 64293 Darmstadt Germany
| | - Michael Weyand
- Department of Biochemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Clemens Steegborn
- Department of Biochemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | | | | | - Christoph Garbers
- Department of Pathology Medical Faculty Otto von Guericke University Magdeburg 39120 Magdeburg Germany
| | - Carlo Unverzagt
- Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
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Baroiu L, Dumitru C, Iancu A, Leșe AC, Drăgănescu M, Baroiu N, Anghel L. COVID-19 impact on the liver. World J Clin Cases 2021; 9:3814-3825. [PMID: 34141738 PMCID: PMC8180204 DOI: 10.12998/wjcc.v9.i16.3814] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/28/2021] [Accepted: 04/29/2021] [Indexed: 02/06/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic imposed arestructuring of global health systems by rethinking spaces used for the care of these patients and the additions of intensive care, infectious diseases and pneumology departments. This paper provides evidence on the presence of severe acute respiratory syndrome coronavirus 2 in hepatocytes and its direct cytopathic activity, as well as the degree of liver damage due to drug toxicity, inflammation and hypoxia in COVID-19. A review of clinical trials has quantified liver damage through both pathology and biochemistry studies. Additionally, we briefly present the results of a study conducted in our clinic on 849 patients admitted for COVID-19 treatment, of which 31 patients had pre-existing chronic liver disease and 388 patients had values above the normal limit for alanine aminotransferase, aspartate aminotransferase, and total bilirubin. It was observed that patients with abnormal liver tests were significantly statistically older, had more comorbidities and had a higher percentage of unfavourable evolution (death or transfer to intensive care). The conclusion of this paper is that the main causes of liver damage are direct viral aggression, coagulation dysfunction and endothelial damage, and patients with impaired liver function develop more severe forms of COVID-19 which requires special care by a multidisciplinary team that includes a hepatologist.
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Affiliation(s)
- Liliana Baroiu
- Clinical Medical Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University of Galati, Galati 800008, Romania
| | - Caterina Dumitru
- Pharmaceutical Sciences Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University of Galati, Galati 800008, Romania
| | - Alina Iancu
- Department of Morphological and Functional Sciences, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University of Galati, Galati 800008, Romania
| | - Ana-Cristina Leșe
- Design Department, Faculty of Visual Arts and Design, “George Enescu” National University of Arts, Iasi 700451, Romania
| | - Miruna Drăgănescu
- Clinical Medical Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University of Galati, Galati 800008, Romania
| | - Nicușor Baroiu
- Department of Manufacturing Engineering, Faculty of Engineering, “Dunarea de Jos” University of Galati, Galati 800008, Romania
| | - Lucreția Anghel
- Clinical Medical Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University of Galati, Galati 800008, Romania
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45
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Schmidt-Arras D, Rose-John S. Endosomes as Signaling Platforms for IL-6 Family Cytokine Receptors. Front Cell Dev Biol 2021; 9:688314. [PMID: 34141712 PMCID: PMC8204807 DOI: 10.3389/fcell.2021.688314] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 04/28/2021] [Indexed: 12/12/2022] Open
Abstract
Interleukin-6 (IL-6) is the name-giving cytokine of a family of eleven members, including IL-6, CNTF, LIF, and IL-27. IL-6 was first recognized as a B-cell stimulating factor but we now know that the cytokine plays a pivotal role in the orchestration of inflammatory processes as well as in inflammation associated cancer. Moreover, IL-6 is involved in metabolic regulation and it has been shown to be involved in major neural activities such as neuroprotection, which can help to repair and to reduce brain damage. Receptor complexes of all members formed at the plasma membrane contain one or two molecules of the signaling receptor subunit GP130 and the mechanisms of signal transduction are well understood. IL-6 type cytokines can also signal from endomembranes, in particular the endosome, and situations have been reported in which endocytosis of receptor complexes are a prerequisite of intracellular signaling. Moreover, pathogenic GP130 variants were shown to interfere with spatial activation of downstream signals. We here summarize the molecular mechanisms underlying spatial regulation of IL-6 family cytokine signaling and discuss its relevance for pathogenic processes.
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Affiliation(s)
- Dirk Schmidt-Arras
- Institute of Biochemistry, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Stefan Rose-John
- Institute of Biochemistry, Christian-Albrechts-University Kiel, Kiel, Germany
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46
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McElvaney OJ, Curley GF, Rose-John S, McElvaney NG. Interleukin-6: obstacles to targeting a complex cytokine in critical illness. THE LANCET. RESPIRATORY MEDICINE 2021; 9:643-654. [PMID: 33872590 PMCID: PMC8051931 DOI: 10.1016/s2213-2600(21)00103-x] [Citation(s) in RCA: 141] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/13/2021] [Accepted: 02/15/2021] [Indexed: 02/07/2023]
Abstract
Circulating concentrations of the pleiotropic cytokine interleukin-6 (IL-6) are known to be increased in pro-inflammatory critical care syndromes, such as sepsis and acute respiratory distress syndrome. Elevations in serum IL-6 concentrations in patients with severe COVID-19 have led to renewed interest in the cytokine as a therapeutic target. However, although the pro-inflammatory properties of IL-6 are widely known, the cytokine also has a series of important physiological and anti-inflammatory functions. An adequate understanding of the complex processes by which IL-6 signalling occurs is crucial for the correct interpretation of IL-6 concentrations in the blood or lung, the use of IL-6 as a critical care biomarker, or the design of effective anti-IL-6 strategies. Here, we outline the role of IL-6 in health and disease, explain the different types of IL-6 signalling and their contribution to the net biological effect of the cytokine, describe the approaches to IL-6 inhibition that are currently available, and discuss implications for the future use of treatments such as tocilizumab in the critical care setting.
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Affiliation(s)
- Oliver J McElvaney
- Department of Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Beaumont Hospital, Dublin, Ireland
| | - Gerard F Curley
- Beaumont Hospital, Dublin, Ireland; Department of Anaesthesia and Critical Care, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Stefan Rose-John
- Biochemical Institute, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Noel G McElvaney
- Department of Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Beaumont Hospital, Dublin, Ireland.
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47
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The two facets of gp130 signalling in liver tumorigenesis. Semin Immunopathol 2021; 43:609-624. [PMID: 34047814 PMCID: PMC8443519 DOI: 10.1007/s00281-021-00861-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 04/28/2021] [Indexed: 02/06/2023]
Abstract
The liver is a vital organ with multiple functions and a large regenerative capacity. Tumours of the liver are the second most frequently cause of cancer-related death and develop in chronically inflamed livers. IL-6-type cytokines are mediators of inflammation and almost all members signal via the receptor subunit gp130 and the downstream signalling molecule STAT3. We here summarize current knowledge on how gp130 signalling and STAT3 in tumour cells and cells of the tumour micro-environment drives hepatic tumorigenesis. We furthermore discuss very recent findings describing also anti-tumorigenic roles of gp130/STAT3 and important considerations for therapeutic interventions.
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48
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Rose-John S. Therapeutic targeting of IL-6 trans-signaling. Cytokine 2021; 144:155577. [PMID: 34022535 DOI: 10.1016/j.cyto.2021.155577] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/04/2021] [Accepted: 05/06/2021] [Indexed: 02/06/2023]
Abstract
Interleukin-6 (IL-6) is a cytokine, which is involved in innate and acquired immunity, in neural cell maintenance and in metabolism. IL-6 can be synthesized by many different cells including myeloid cells, fibroblasts, endothelial cells and lymphocytes. The synthesis of IL-6 is strongly stimulated by Toll like receptors and by IL-1. Therefore, IL-6 levels in the body are high during infection and inflammatory processes. Moreover, IL-6 is a prominent growth factor of tumor cells and plays a major role in inflammation associated cancer. On target cells, IL-6 binds to an IL-6 receptor, which is not signaling competent. The complex of IL-6 and IL-6 receptor associate with a second receptor subunit, glycoprotein gp130, which dimerizes and initiates intracellular signaling. Cells, which do not express the IL-6 receptor are not responsive to IL-6. They can, however, be stimulated by the complex of IL-6 and a soluble form of the IL-6 receptor, which is generated by limited proteolysis and to a lesser extent by translation from an alternatively spliced mRNA. This process has been named IL-6 trans-signaling. This review article will explain the biology of IL-6 trans-signaling and the specific inhibition of this mode of signaling, which has been recognized to be fundamental in inflammation and cancer.
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49
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Reif A, Lam K, Weidler S, Lott M, Boos I, Lokau J, Bretscher C, Mönnich M, Perkams L, Schmälzlein M, Graf C, Fischer JP, Lechner C, Hallstein K, Becker S, Weyand M, Steegborn C, Schultheiss G, Rose-John S, Garbers C, Unverzagt C. Natural Glycoforms of Human Interleukin 6 Show Atypical Plasma Clearance. Angew Chem Int Ed Engl 2021; 60:13380-13387. [PMID: 33756033 PMCID: PMC8251587 DOI: 10.1002/anie.202101496] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Indexed: 12/18/2022]
Abstract
A library of glycoforms of human interleukin 6 (IL‐6) comprising complex and mannosidic N‐glycans was generated by semisynthesis. The three segments were connected by sequential native chemical ligation followed by two‐step refolding. The central glycopeptide segments were assembled by pseudoproline‐assisted Lansbury aspartylation and subsequent enzymatic elongation of complex N‐glycans. Nine IL‐6 glycoforms were synthesized, seven of which were evaluated for in vivo plasma clearance in rats and compared to non‐glycosylated recombinant IL‐6 from E. coli. Each IL‐6 glycoform was tested in three animals and reproducibly showed individual serum clearances depending on the structure of the N‐glycan. The clearance rates were atypical, since the 2,6‐sialylated glycoforms of IL‐6 cleared faster than the corresponding asialo IL‐6 with terminal galactoses. Compared to non‐glycosylated IL‐6 the plasma clearance of IL‐6 glycoforms was delayed in the presence of larger and multibranched N‐glycans in most cases
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Affiliation(s)
- Andreas Reif
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Kevin Lam
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Sascha Weidler
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Marie Lott
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Irene Boos
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Juliane Lokau
- Department of Pathology, Medical Faculty, Otto von Guericke University Magdeburg, 39120, Magdeburg, Germany
| | | | - Manuel Mönnich
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Lukas Perkams
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Marina Schmälzlein
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Christopher Graf
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Jan-Patrick Fischer
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Carolin Lechner
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Kerstin Hallstein
- Protein Engineering & Antibody Technologies, Merck Healthcare KGaA, Frankfurter Str. 250, 64293, Darmstadt, Germany
| | - Stefan Becker
- Protein Engineering & Antibody Technologies, Merck Healthcare KGaA, Frankfurter Str. 250, 64293, Darmstadt, Germany
| | - Michael Weyand
- Department of Biochemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | - Clemens Steegborn
- Department of Biochemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
| | | | - Stefan Rose-John
- Department of Biochemistry, Kiel University, 24098, Kiel, Germany
| | - Christoph Garbers
- Department of Pathology, Medical Faculty, Otto von Guericke University Magdeburg, 39120, Magdeburg, Germany
| | - Carlo Unverzagt
- Bioorganic Chemistry, University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
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50
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Evaluation of cytokines and structural proteins to analyze the pathology of febrile central nervous system disease. Leg Med (Tokyo) 2021; 51:101864. [PMID: 33798967 DOI: 10.1016/j.legalmed.2021.101864] [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: 05/13/2020] [Revised: 02/02/2021] [Accepted: 02/09/2021] [Indexed: 12/26/2022]
Abstract
This study was designed to examine the pathophysiological differences in interleukin (IL) and structural protein levels between central nervous system (CNS) disorders associated with heat stroke and CNS stimulants. We measured the concentrations of IL-6, IL-8, neuron-specific enolase (NSE), and myelin basic protein (MBP) in blood and cerebrospinal fluid (CSF) from 87 autopsy cases. In addition, to examine changes in each marker, we cultured nerve cells at 40 °C as a heat stroke model and administered 4-aminopyridine and ephedrine in cultured cells as a CNS stimulant model. IL-6 levels in blood and CSF were significantly higher in the stimulant compared with the heat stroke group. IL-8 levels in blood and CSF were relatively high in the stimulant, heat stroke, and psychotropic addiction groups. NSE levels in blood were high in the stimulant and heat stroke groups, while those in CSF were significantly higher in the heat stroke group. MBP levels in blood were markedly higher in the stimulant and heat stroke groups, but no differences were seen in CSF. Compared with the CNS stimulant model, the heat stroke model with cultured human nerve cells showed high values for each marker. The results of the autopsy and laboratory tests in the present cases and those of cultured cell experiments indicated that CNS disorders caused by CNS stimulants such as amphetamines led to changes in IL-6 as an immune response, which suggests that IL-8 may help protect nerve cells in cases involving heat stroke and stimulants.
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