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Klinkmann G, Brabandt S, Möller M, Wild T, Heskamp B, Schewe JC, Sauer M, Altrichter J, Mitzner S. Purified granulocytes in extracorporeal cell therapy: A multifaceted approach to combat sepsis-induced immunoparalysis. Int J Artif Organs 2024:3913988241262901. [PMID: 39041351 DOI: 10.1177/03913988241262901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
BACKGROUND Immune cell dysfunction plays a central role in sepsis-induced immunoparalysis. Targeted treatment using healthy donor immune cell transfusions, particularly granulocyte concentrates (GC) potentially induces tissue damage. Initial trials using GC in an extracorporeal immune cell perfusion system provided evidence for beneficial effects with fewer side effects, by separating patient and donor immune cell compartments. A multicenter clinical trial is exploring feasibility and effects of a 6-h treatment (NCT06143137). This ex vivo study examines technical feasibility and cellular effects of an extended treatment interval up to 24 h. METHODS Standard GC were purified to increase the potential storage time and subsequently implemented in the extracorporeal immune cell perfusion system. Parameters assessed included cell viability, phagocytosis activity, oxidative burst, cytokine release, and metabolic parameters of purified. GC during an extended circulation time of up to 24 h. RESULTS After storage of 72 h granulocytes were viable throughout the study period and exhibited preserved functionality and metabolic activity. The findings highlight a time-dependent nature of cytokine release by neutrophils in the extracorporeal circuit, as cytokine secretion patterns showed IL-8 peaking within 6 h, while MCP-1, IL-6, IL-1β, and TNF-α increased after 24 h of circulation. CONCLUSION Purified GC remain functional after 72 h of storage and additional 24 h in the circulating treatment model. Cytokine secretion patterns revealed a significant increase, especially between 10 and 24 h of treatment. Extending treatment time holds promise for enhancing immune response against sepsis-induced immunoparalysis. These findings provide valuable insights for optimizing immune-targeted therapeutic interventions.
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Affiliation(s)
- Gerd Klinkmann
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University of Rostock, Rostock, Germany
- Department of Extracorporeal Therapy Systems, Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
- International Renal Research Institute of Vicenza, Vicenza, Italy
| | - Sophie Brabandt
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University of Rostock, Rostock, Germany
| | - Marlene Möller
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University of Rostock, Rostock, Germany
| | | | | | - Jens-Christian Schewe
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University of Rostock, Rostock, Germany
| | - Martin Sauer
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University of Rostock, Rostock, Germany
- Center for Anesthesiology and Intensive Care Medicine, Hospital of Magdeburg, Magdeburg, Germany
| | - Jens Altrichter
- Department of Extracorporeal Therapy Systems, Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Steffen Mitzner
- Department of Extracorporeal Therapy Systems, Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
- Department of Medicine, Division of Nephrology, Medical Faculty, University of Rostock, Rostock, Germany
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Haller K, Doß S, Sauer M. In Vitro Hepatotoxicity of Routinely Used Opioids and Sedative Drugs. Curr Issues Mol Biol 2024; 46:3022-3038. [PMID: 38666919 PMCID: PMC11049542 DOI: 10.3390/cimb46040189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/17/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
A hepatocyte cell line was used to determine the hepatotoxicity of sedatives and opioids, as the hepatotoxicity of these drugs has not yet been well characterized. This might pose a threat, especially to critically ill patients, as they often receive high cumulative doses for daily analgosedation and often already have impaired liver function due to an underlying disease or complications during treatment. A well-established biosensor based on HepG2/C3A cells was used for the determination of the hepatotoxicity of commonly used sedatives and opioids in the intensive care setting (midazolam, propofol, s-ketamin, thiopental, fentanyl, remifentanil, and sufentanil). The incubation time was 2 × 3 days with clinically relevant (Cmax) and higher concentrations (C5× and C10×) of each drug in cell culture medium or human plasma. Afterward, we measured the cell count, vitality, lactate dehydrogenase (LDH), mitochondrial dehydrogenase activity, cytochrome P 450 1A2 (CYP1A2), and albumin synthesis. All tested substances reduced the viability of hepatocyte cells, but sufentanil and remifentanil showed more pronounced effects. The cell count was diminished by sufentanil in both the medium and plasma and by remifentanil only in plasma. Sufentanil and remifentanil also led to higher values of LDH in the cell culture supernatant. A reduction of mitochondrial dehydrogenase activity was seen with the use of midazolam and s-ketamine. Microalbumin synthesis was reduced in plasma after its incubation with higher concentrations of sufentanil and remifentanil. Remifentanil and s-ketamine reduced CYP1A2 activity, while propofol and thiopental increased it. Our findings suggest that none of the tested sedatives and opioids have pronounced hepatotoxicity. Sufentanil, remifentanil, and s-ketamine showed moderate hepatotoxic effects in vitro. These drugs should be given with caution to patients vulnerable to hepatotoxic drugs, e.g., patients with pre-existing liver disease or liver impairment as part of their underlying disease (e.g., hypoxic hepatitis or cholestatic liver dysfunction in sepsis). Further studies are indicated for this topic, which may use more complex cell culture models and global pharmacovigilance reports, addressing the limitation of the used cell model: HepG2/C3A cells have a lower metabolic capacity due to their low levels of CYP enzymes compared to primary hepatocytes. However, while the test model is suitable for parental substances, it is not for toxicity testing of metabolites.
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Affiliation(s)
- Katharina Haller
- Department of Anesthesiology and Intensive Care Medicine, Charité Campus Benjamin Franklin, Hindenburgdamm 30, 12203 Berlin, Germany;
| | - Sandra Doß
- Department Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, 18057 Rostock, Germany;
| | - Martin Sauer
- Department Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, 18057 Rostock, Germany;
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Schillingallee 35, 18057 Rostock, Germany
- Center for Anesthesiology and Intensive Care Medicine, Hospital of Magdeburg, Birkenallee 34, 39130 Magdeburg, Germany
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3
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Klinkmann G, Wild T, Heskamp B, Doss F, Doss S, Milej M, Thiele LM, Goudeva L, Blasczyk R, Reuter DA, Altrichter J, Mitzner S. Extracorporeal therapy of sepsis by purified granulocyte concentrates-ex vivo circulation model. Artif Organs 2023. [PMID: 36740583 DOI: 10.1111/aor.14507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 01/16/2023] [Accepted: 01/24/2023] [Indexed: 02/07/2023]
Abstract
BACKGROUND Immune cell dysfunction is a central part of immune paralysis in sepsis. Granulocyte concentrate (GC) transfusions can induce tissue damage via local effects of neutrophils. The hypothesis of an extracorporeal plasma treatment with granulocytes is to show beneficial effects with fewer side effects. Clinical trials with standard GC have supported this approach. This ex vivo study investigated the functional properties of purified granulocyte preparations during the extracorporeal plasma treatment. METHODS Purified GC were stored for up to 3 days and compared with standard GC in an immune cell perfusion therapy model. The therapy consists of a plasma separation device and an extracorporeal circuit. Plasma is perfused through the tubing system with donor immune cells of the GC, and only the treated plasma is filtered for re-transfusion. The donor immune cells are retained in the extracorporeal system and discarded after treatment. Efficacy of granulocytes regarding phagocytosis, oxidative burst as well as cell viability and metabolic parameters were assessed. RESULTS In pGC, the metabolic surrogate parameters of cell functionality showed comparable courses even after a storage period of 72 h. In particular, glucose and oxygen consumption were lower after extended storage. The course of lactate dehydrogenase concentration yields no indication of cell impairment in the extracorporeal circulation. The cells were viable throughout the entire study period and exhibited preserved phagocytosis and oxidative burst functionality. CONCLUSION The granulocytes demonstrated full functionality in the 6 h extracorporeal circuits after 3 days storage and in septic shock plasma. This is demonstrating the functionality of the system and encourages further clinical studies.
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Affiliation(s)
- Gerd Klinkmann
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University of Rostock, Rostock, Germany
| | | | | | | | - Sandra Doss
- ARTCLINE GmbH, Rostock, Germany.,Department of Extracorporeal Immunomodulation, Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | | | - Lea-Marie Thiele
- Department of Medicine, Division of Nephrology, Medical Faculty, University of Rostock, Rostock, Germany
| | - Lilia Goudeva
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Hannover, Germany
| | - Rainer Blasczyk
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Hannover, Germany
| | - Daniel A Reuter
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University of Rostock, Rostock, Germany
| | | | - Steffen Mitzner
- Department of Extracorporeal Immunomodulation, Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany.,Department of Medicine, Division of Nephrology, Medical Faculty, University of Rostock, Rostock, Germany
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Klinkmann G, Altrichter J, Reuter DA, Mitzner S. Therapeutic apheresis in sepsis. Ther Apher Dial 2022; 26 Suppl 1:64-72. [PMID: 36468315 DOI: 10.1111/1744-9987.13815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 02/07/2022] [Indexed: 12/12/2022]
Abstract
Sepsis is a leading cause of morbidity and mortality worldwide. Dysregulated immune response to infection is a hallmark of sepsis, leading to life-threatening organ dysfunction or even death. Advancing knowledge of the complex pathophysiological mechanisms has been a strong impetus for the development of therapeutic strategies aimed at rebalancing the immune response by modulating the excess of both pro- and anti-inflammatory mediators. There is a wealth of preclinical data suggesting clinical benefits of various extracorporeal techniques in an attempt to modulate the exaggerated host inflammatory response. However, the evidence base is often weak. Owing to both an advancing comprehension of the pathophysiology and the increased quality of clinical trials, progress has been made in establishing extracorporeal therapies as part of the general therapeutic canon in sepsis. We aim for a comprehensive overview of the technical aspects and clinical applications in the context of the latest evidence concerning these techniques.
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Affiliation(s)
- Gerd Klinkmann
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Rostock, Rostock, Germany
| | - Jens Altrichter
- Department of Extracorporeal Immunomodulation, Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Daniel A Reuter
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Rostock, Rostock, Germany
| | - Steffen Mitzner
- Department of Extracorporeal Immunomodulation, Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany.,Department of Medicine, Division of Nephrology, University Medical Center Rostock, Rostock, Germany
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Influence of Antibiotics on Functionality and Viability of Liver Cells In Vitro. Curr Issues Mol Biol 2022; 44:4639-4657. [PMID: 36286032 PMCID: PMC9600611 DOI: 10.3390/cimb44100317] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 09/17/2022] [Accepted: 09/22/2022] [Indexed: 11/22/2022] Open
Abstract
(1) Antibiotics are an important weapon in the fight against serious bacterial infections and are considered a common cause of drug-induced liver injury (DILI). The hepatotoxicity of many drugs, including antibiotics, is poorly analyzed in human in vitro models. (2) A standardized assay with a human hepatoma cell line was used to test the hepatotoxicity of various concentrations (Cmax, 5× Cmax, and 10× Cmax) of antibiotics. In an ICU, the most frequently prescribed antibiotics, ampicillin, cefepime, cefuroxime, levofloxacin, linezolid, meropenem, rifampicin, tigecycline, and vancomycin, were incubated with HepG2/C3A cells for 6 days. Cell viability (XTT assay, LDH release, and vitality), albumin synthesis, and cytochrome 1A2 activity were determined in cells. (3) In vitro, vancomycin, rifampicin, and tigecycline showed moderate hepatotoxic potential. The antibiotics ampicillin, cefepime, cefuroxime, levofloxacin, linezolid, and meropenem were associated with mild hepatotoxic reactions in test cells incubated with the testes Cmax concentration. Rifampicin and cefuroxime showed significantly negative effects on the viability of test cells. (4) Further in vitro studies and global pharmacovigilance reports should be conducted to reveal underlying mechanism of the hepatotoxic action of vancomycin, rifampicin, tigecycline, and cefuroxime, as well as the clinical relevance of these findings.
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6
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Klinkmann G, Wild T, Heskamp B, Doss F, Doss S, Arseniev L, Aleksandrova K, Sauer M, Reuter DA, Mitzner S, Altrichter J. Extracorporeal immune cell therapy of sepsis: ex vivo results. Intensive Care Med Exp 2022; 10:26. [PMID: 35708856 PMCID: PMC9202321 DOI: 10.1186/s40635-022-00453-8] [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: 03/19/2022] [Accepted: 05/20/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Immune cell dysfunction plays a central role in sepsis-associated immune paralysis. The transfusion of healthy donor immune cells, i.e., granulocyte concentrates (GC) potentially induces tissue damage via local effects of neutrophils. Initial clinical trials using standard donor GC in a strictly extracorporeal bioreactor system for treatment of septic shock patients already provided evidence for beneficial effects with fewer side effects, by separating patient and donor immune cells using plasma filters. In this ex vivo study, we demonstrate the functional characteristics of a simplified extracorporeal therapy system using purified granulocyte preparations. METHODS Purified GC were used in an immune cell perfusion model prefilled with human donor plasma simulating a 6-h treatment. The extracorporeal circuit consisted of a blood circuit and a plasma circuit with 3 plasma filters (PF). PF1 is separating the plasma from the patient's blood. Plasma is then perfused through PF2 containing donor immune cells and used in a dead-end mode. The filtrated plasma is finally retransfused to the blood circuit. PF3 is included in the plasma backflow as a redundant safety measure. The donor immune cells are retained in the extracorporeal system and discarded after treatment. Phagocytosis activity, oxidative burst and cell viability as well as cytokine release and metabolic parameters of purified GCs were assessed. RESULTS Cells were viable throughout the study period and exhibited well-preserved functionality and efficient metabolic activity. Course of lactate dehydrogenase and free hemoglobin concentration yielded no indication of cell impairment. The capability of the cells to secret various cytokines was preserved. Of particular interest is equivalence in performance of the cells on day 1 and day 3, demonstrating the sustained shelf life and performance of the immune cells in the purified GCs. CONCLUSION Results demonstrate the suitability of a simplified extracorporeal system. Furthermore, granulocytes remain viable and highly active during a 6-h treatment even after storage for 3 days supporting the treatment of septic patients with this system in advanced clinical trials.
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Affiliation(s)
- Gerd Klinkmann
- Department of Anaesthesiology and Intensive Care Medicine, University of Rostock, Schillingallee 35, 18055, Rostock, Germany. .,Department of Anesthesiology and Intensive Care Medicine, University Medical Center Rostock, Schillingallee 35, 18057, Rostock, Germany.
| | - Thomas Wild
- ARTCLINE GmbH, Schillingallee 68, 18057, Rostock, Germany
| | | | - Fanny Doss
- ARTCLINE GmbH, Schillingallee 68, 18057, Rostock, Germany
| | - Sandra Doss
- ARTCLINE GmbH, Schillingallee 68, 18057, Rostock, Germany.,Department of Extracorporeal Therapy Systems, Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, 18057, Rostock, Germany
| | - Lubomir Arseniev
- Cellular Therapy Centre (CTC), Medizinische Hochschule Hannover, Feodor-Lynen-Str. 21, 30625, Hannover, Germany
| | - Krasimira Aleksandrova
- Cellular Therapy Centre (CTC), Medizinische Hochschule Hannover, Feodor-Lynen-Str. 21, 30625, Hannover, Germany
| | - Martin Sauer
- Center for Anesthesiology and Intensive Care Medicine, Hospital of Magdeburg, Birkenallee 34, 39130, Magdeburg, Germany
| | - Daniel A Reuter
- Department of Anaesthesiology and Intensive Care Medicine, University of Rostock, Schillingallee 35, 18055, Rostock, Germany
| | - Steffen Mitzner
- Division of Nephrology, Department of Medicine, Medical Faculty, University of Rostock, Ernst-Heydemann-Str. 6, 18057, Rostock, Germany.,Department of Extracorporeal Therapy Systems, Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, 18057, Rostock, Germany
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7
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Li ZH, Xie ZY, Ouyang XX, Huang KZ, Yu XP, Zhao YL, Zhang YH, Zhu DH, Yu J, Li LJ. Assessment of biological functions for C3A cells interacting with adverse environments of liver failure plasma. Hepatobiliary Pancreat Dis Int 2020; 19:129-137. [PMID: 31704080 DOI: 10.1016/j.hbpd.2019.10.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Accepted: 10/21/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND For its better differentiated hepatocyte phenotype, C3A cell line has been utilized in bioartificial liver system. However, up to now, there are only a few of studies working at the metabolic alternations of C3A cells under the culture conditions with liver failure plasma, which mainly focus on carbohydrate metabolism, total protein synthesis and ureagenesis. In this study, we investigated the effects of acute liver failure plasma on the growth and biological functions of C3A cells, especially on CYP450 enzymes. METHODS C3A cells were treated with fresh DMEM medium containing 10% FBS, fresh DMEM medium containing 10% normal plasma and acute liver failure plasma, respectively. After incubation, the C3A cells were assessed for cell viabilities, lactate dehydrogenase leakage, gene transcription, protein levels, albumin secretion, ammonia metabolism and CYP450 enzyme activities. RESULTS Cell viabilities decreased 15%, and lactate dehydrogenase leakage had 1.3-fold elevation in acute liver failure plasma group. Gene transcription exhibited up-regulation, down-regulation or stability for different hepatic genes. In contrast, protein expression levels for several CYP450 enzymes kept constant, while the CYP450 enzyme activities decreased or remained stable. Albumin secretion reduced about 48%, and ammonia accumulation increased approximately 41%. CONCLUSIONS C3A cells cultured with acute liver failure plasma showed mild inhibition of cell viabilities, reduction of albumin secretion, and increase of ammonia accumulation. Furthermore, CYP450 enzymes demonstrated various alterations on gene transcription, protein expression and enzyme activities.
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Affiliation(s)
- Zu-Hong Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Zhong-Yang Xie
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xiao-Xi Ouyang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Kai-Zhou Huang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xiao-Peng Yu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Ya-Lei Zhao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Yan-Hong Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Dan-Hua Zhu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Jiong Yu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Lan-Juan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
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8
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Applefeld WN, Wang J, Sun J, Solomon SB, Feng J, Risoleo T, Cortés-Puch I, Gouél-Cheron A, Klein HG, Natanson C. In canine bacterial pneumonia circulating granulocyte counts determine outcome from donor cells. Transfusion 2020; 60:698-712. [PMID: 32086946 PMCID: PMC10802110 DOI: 10.1111/trf.15727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/13/2020] [Accepted: 01/15/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND In experimental canine septic shock, depressed circulating granulocyte counts were associated with a poor outcome and increasing counts with prophylactic granulocyte colony-stimulating factor (G-CSF) improved outcome. Therapeutic G-CSF, in contrast, did not improve circulating counts or outcome, and therefore investigation was undertaken to determine whether transfusing granulocytes therapeutically would improve outcome. STUDY DESIGN AND METHODS Twenty-eight purpose-bred beagles underwent an intrabronchial Staphylococcus aureus challenge and 4 hours later were randomly assigned to granulocyte (40-100 × 109 cells) or plasma transfusion. RESULTS Granulocyte transfusion significantly expanded the low circulating counts for hours compared to septic controls but was not associated with significant mortality benefit (1/14, 7% vs. 2/14, 14%, respectively; p = 0.29). Septic animals with higher granulocyte count at 4 hours (median [interquartile range] of 3.81 3.39-5.05] vs. 1.77 [1.25-2.50]) had significantly increased survival independent of whether they were transfused with granulocytes. In a subgroup analysis, animals with higher circulating granulocyte counts receiving donor granulocytes had worsened lung injury compared to septic controls. Conversely, donor granulocytes decreased lung injury in septic animals with lower counts. CONCLUSION During bacterial pneumonia, circulating counts predict the outcome of transfusing granulocytes. With low but normal counts, transfusing granulocytes does not improve survival and injures the lung, whereas for animals with very low counts, but not absolute neutropenia, granulocyte transfusion improves lung function.
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Affiliation(s)
- Willard N. Applefeld
- Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Jeffrey Wang
- Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Junfeng Sun
- Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Steven B. Solomon
- Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Jing Feng
- Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, Maryland
| | | | - Irene Cortés-Puch
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California Davis Medical Center, Sacramento, California
| | - Aurélie Gouél-Cheron
- Department of Anesthesiology and Intensive Care, Bichat University Hospital, Assistance Publique-Hôpitaux de Paris, Université de Paris, Paris, France
| | - Harvey G. Klein
- Department of Transfusion Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Charles Natanson
- Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, Maryland
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9
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Sauer M, Haubner C, Richter G, Ehler J, Mencke T, Mitzner S, Margraf S, Altrichter J, Doß S, Nöldge-Schomburg G. Impaired Cell Viability and Functionality of Hepatocytes After Incubation With Septic Plasma-Results of a Second Prospective Biosensor Study. Front Immunol 2018; 9:1448. [PMID: 29988573 PMCID: PMC6026797 DOI: 10.3389/fimmu.2018.01448] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 06/11/2018] [Indexed: 12/14/2022] Open
Abstract
Liver dysfunction (LD) and liver failure are associated with poor outcome in critically ill patients. In patients with severe sepsis or septic shock, LD occurred in nearly 19% of patients. An early diagnosis of LD at time of initial damage of the liver can lead to a better prognosis of these patients because an early start of therapy is possible. We performed a second prospective study with septic patients to test a new cell-based cytotoxicity device (biosensor) to evaluate clinical relevance for early diagnosis of LD and prognostic capacity. In the clinical study, 99 intensive care unit patients were included in two groups. From the patients of the septic group (n = 51, SG), and the control (non-septic) group [n = 49, control group (CG)] were drawn 20 ml blood at inclusion, after 3, and 7 days for testing with the biosensor. Patients’ data were recorded for hospital survival, organ function, and demographic data, illness severity [acute physiology and chronic health evaluation (APACHE) II-, sepsis-related organ failure assessment (SOFA) scores], cytokines, circulating-free deoxyribonucleic acid/neutrophil-derived extracellular traps (cf-DNA/NETs), microbiological results, and pre-morbidity. For the developed cytotoxicity test, the human liver cell line HepG2/C3A was used. Patients’ plasma was incubated in a microtiter plate assay with the test cells and after 6 days incubation the viability (trypan blue staining, XTT-test) and functionality (synthesis of albumin, cytochrome 1A2 activity) was analyzed. An impairment of viability and functionality of test cells was only seen in the SG compared with the CG. The plasma of non-survivors in the SG led to a more pronounced impairment of test cells than the plasma of survivors at inclusion. In addition, the levels of cf-DNA/NETs were significantly higher in the SG at inclusion, after 3, and after 7 days compared with the CG. The SG showed an in-hospital mortality of 24% and the values of bilirubin, APACHE II-, and SOFA scores were markedly higher at inclusion than in the CG. Hepatotoxicity of septic plasma was already detected with the liver cell-based biosensor at inclusion and also in the course of disease. The biosensor may be a tool for early diagnosis of LD in septic patients and may have prognostic relevance.
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Affiliation(s)
- Martin Sauer
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany.,Extracorporeal Immunomodulation (EXIM), Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Cristof Haubner
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | - Georg Richter
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | - Johannes Ehler
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | - Thomas Mencke
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | - Steffen Mitzner
- Extracorporeal Immunomodulation (EXIM), Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany.,Division of Nephrology, Department of Medicine, University Hospital of Rostock, Rostock, Germany
| | - Stefan Margraf
- Extracorporeal Immunomodulation (EXIM), Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Jens Altrichter
- Division of Nephrology, Department of Medicine, University Hospital of Rostock, Rostock, Germany
| | - Sandra Doß
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | - Gabriele Nöldge-Schomburg
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
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Sauer M, Richter G, Altrichter J, Wild T, Doß F, Mencke T, Ehler J, Doß S, Koch S, Schubert A, Nöldge-Schomburg G, Mitzner SR. Effects of Bioreactor-Oxygenation During Extracorporeal Granulocytes Treatment in Septic Patients. Ther Apher Dial 2018; 22:389-398. [PMID: 29418067 DOI: 10.1111/1744-9987.12657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Revised: 11/03/2017] [Accepted: 11/09/2017] [Indexed: 11/30/2022]
Abstract
A granulocyte bioreactor for the extracorporeal treatment was developed to enhance the immune cell function in patients with severe sepsis. The influence of oxygenation on the used cells was tested in a prospective clinical study. Ten patients with severe sepsis were treated twice with the granulocyte bioreactor. The used cells were screened for functionality; values of blood gases, glucose and lactate were obtained from the recirculating bioreactor circuit. Five patients were treated with an oxygenator setup (Oxy group), five without oxygenator (Non-Oxy group). The overall in-hospital mortality was 50%. Significantly lower values of oxygen saturation, partial oxygen pressure, lactate, oxyburst and phagocytosis were seen in the Non-Oxy group compared with the Oxy group in the bioreactor circuit. Further studies with this approach are encouraged and should focus on the influence of oxygenation on production of reactive oxygen species and cytokines of used cells.
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Affiliation(s)
- Martin Sauer
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany.,Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Georg Richter
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | | | - Thomas Wild
- Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Fanny Doß
- Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Thomas Mencke
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | - Johannes Ehler
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | - Sandra Doß
- Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Stephanie Koch
- Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
| | - Anton Schubert
- Department of Surgery, University Hospital of Rostock, Rostock, Germany
| | - Gabriele Nöldge-Schomburg
- Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany
| | - Steffen R Mitzner
- Department of Medicine (Division of Nephrology), University Hospital of Rostock, Rostock, Germany.,Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany
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11
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Tannert A, Ramoji A, Neugebauer U, Popp J. Photonic monitoring of treatment during infection and sepsis: development of new detection strategies and potential clinical applications. Anal Bioanal Chem 2017; 410:773-790. [PMID: 29214536 DOI: 10.1007/s00216-017-0713-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Revised: 10/06/2017] [Accepted: 10/17/2017] [Indexed: 01/02/2023]
Abstract
Despite the strong decline in the infection-associated mortality since the development of the first antibiotics, infectious diseases are still a major cause of death in the world. With the rising number of antibiotic-resistant pathogens, the incidence of deaths caused by infections may increase strongly in the future. Survival rates in sepsis, which occurs when body response to infections becomes uncontrolled, are still very poor if an adequate therapy is not initiated immediately. Therefore, approaches to monitor the treatment efficacy are crucially needed to adapt therapeutic strategies according to the patient's response. An increasing number of photonic technologies are being considered for diagnostic purpose and monitoring of therapeutic response; however many of these strategies have not been introduced into clinical routine, yet. Here, we review photonic strategies to monitor response to treatment in patients with infectious disease, sepsis, and septic shock. We also include some selected approaches for the development of new drugs in animal models as well as new monitoring strategies which might be applicable to evaluate treatment response in humans in the future. Figure Label-free probing of blood properties using photonics.
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Affiliation(s)
- Astrid Tannert
- Leibniz Institute of Photonic Technology, Albert-Einstein-Str. 9, 07745, Jena, Germany
- Jena Biophotonics and Imaging Laboratory, 07745, Jena, Germany
| | - Anuradha Ramoji
- Leibniz Institute of Photonic Technology, Albert-Einstein-Str. 9, 07745, Jena, Germany
- Center for Sepsis Control and Care, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
| | - Ute Neugebauer
- Leibniz Institute of Photonic Technology, Albert-Einstein-Str. 9, 07745, Jena, Germany.
- Jena Biophotonics and Imaging Laboratory, 07745, Jena, Germany.
- Center for Sepsis Control and Care, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany.
- Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany.
- InfectoGnostics Research Campus Jena, Philosophenweg 7, Jena, Germany.
| | - Jürgen Popp
- Leibniz Institute of Photonic Technology, Albert-Einstein-Str. 9, 07745, Jena, Germany
- Jena Biophotonics and Imaging Laboratory, 07745, Jena, Germany
- Center for Sepsis Control and Care, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
- Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- InfectoGnostics Research Campus Jena, Philosophenweg 7, Jena, Germany
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Hepatotoxicity of Antimycotics Used for Invasive Fungal Infections: In Vitro Results. BIOMED RESEARCH INTERNATIONAL 2017; 2017:9658018. [PMID: 28473992 PMCID: PMC5394398 DOI: 10.1155/2017/9658018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 02/17/2017] [Accepted: 03/21/2017] [Indexed: 12/11/2022]
Abstract
Purpose. Drug-induced liver injury (DILI) is the most common cause of liver injury and a serious clinical problem; antimycotics are involved in approximately 3% of all DILI cases. The hepatotoxicity of many drugs, including the antimycotics, is poorly screened in human models. Methods. In a standardized assay the cytotoxicity on hepatocytes of different concentrations (Cmax, 5x Cmax, and 10x Cmax) of the antimycotics used for systemic infections was tested. Anidulafungin (ANI), liposomal amphotericerin B (L-AmB), caspofungin (CASPO), fluconazole (FLUCO), and voriconazole (VORI) were incubated with HepG2/C3A cells. After incubation, the viability of cells (XTT test, LDH release, trypan blue staining), the synthesis of albumin, the cytochrome 1A2 activity, and the cell death (DNA fragmentation) were determined. Kruskal-Wallis and Mann-Whitney tests were used for statistical analyses. Results. L-AmB, ANI, and CASPO showed a mild hepatotoxicity in the Cmax concentrations. Higher concentrations of anidulafungin led to a severe impairment of hepatocyte viability and function. The azoles FLUCO and VORI had a higher hepatotoxic potential in all concentrations. Conclusion. Antimycotics, especially azoles, used for systemic infections should be given with caution in patient with liver insufficiency or liver failure or high risk for this; therefore, therapeutic drug monitoring should be used. Further studies with this approach are encouraged.
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Procalcitonin Impairs Liver Cell Viability and Function In Vitro: A Potential New Mechanism of Liver Dysfunction and Failure during Sepsis? BIOMED RESEARCH INTERNATIONAL 2017; 2017:6130725. [PMID: 28255555 PMCID: PMC5309405 DOI: 10.1155/2017/6130725] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Revised: 01/05/2017] [Accepted: 01/10/2017] [Indexed: 01/09/2023]
Abstract
Purpose. Liver dysfunction and failure are severe complications of sepsis and result in poor outcome and increased mortality. The underlying pathologic mechanisms of hepatocyte dysfunction and necrosis during sepsis are only incompletely understood. Here, we investigated whether procalcitonin, a biomarker of sepsis, modulates liver cell function and viability. Materials and Methods. Employing a previously characterized and patented biosensor system evaluating hepatocyte toxicity in vitro, human hepatocellular carcinoma cells (HepG2/C3A) were exposed to 0.01-50 ng/mL procalcitonin for 2 × 72 h and evaluated for proliferation, necrosis, metabolic activity, cellular integrity, microalbumin synthesis, and detoxification capacity. Acetaminophen served as positive control. For further standardization, procalcitonin effects were confirmed in a cellular toxicology assay panel employing L929 fibroblasts. Data were analyzed using ANOVA/Tukey's test. Results. Already at concentrations as low as 0.25 ng/mL, procalcitonin induced HepG2/C3A necrosis (P < 0.05) and reduced metabolic activity, cellular integrity, synthesis, and detoxification capacity (all P < 0.001). Comparable effects were obtained employing L929 fibroblasts. Conclusion. We provide evidence for procalcitonin to directly impair function and viability of human hepatocytes and exert general cytotoxicity in vitro. Therapeutical targeting of procalcitonin could thus display a novel approach to reduce incidence of liver dysfunction and failure during sepsis and lower morbidity and mortality of septic patients.
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