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Mulder PPG, Hooijmans CR, Vlig M, Middelkoop E, Joosten I, Koenen HJPM, Boekema BKHL. Kinetics of Inflammatory Mediators in the Immune Response to Burn Injury: Systematic Review and Meta-Analysis of Animal Studies. J Invest Dermatol 2024; 144:669-696.e10. [PMID: 37806443 DOI: 10.1016/j.jid.2023.09.269] [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: 05/25/2023] [Revised: 08/31/2023] [Accepted: 09/20/2023] [Indexed: 10/10/2023]
Abstract
Burns are often accompanied by a dysfunctional immune response, which can lead to systemic inflammation, shock, and excessive scarring. The objective of this study was to provide insight into inflammatory pathways associated with burn-related complications. Because detailed information on the various inflammatory mediators is scattered over individual studies, we systematically reviewed animal experimental data for all reported inflammatory mediators. Meta-analyses of 352 studies revealed a strong increase in cytokines, chemokines, and growth factors, particularly 19 mediators in blood and 12 in burn tissue. Temporal kinetics showed long-lasting surges of proinflammatory cytokines in blood and burn tissue. Significant time-dependent effects were seen for IL-1β, IL-6, TGF-β1, and CCL2. The response of anti-inflammatory mediators was limited. Burn technique had a profound impact on systemic response levels. Large burn size and scalds further increased systemic, but not local inflammation. Animal characteristics greatly affected inflammation, for example, IL-1β, IL-6, and TNF-α levels were highest in young, male rats. Time-dependent effects and dissimilarities in response demonstrate the importance of appropriate study design. Collectively, this review presents a general overview of the burn-induced immune response exposing inflammatory pathways that could be targeted through immunotherapy for burn patients and provides guidance for experimental set-ups to advance burn research.
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Affiliation(s)
- Patrick P G Mulder
- Preclinical Research, Association of Dutch Burn Centres (ADBC), Beverwijk, The Netherlands; Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Carlijn R Hooijmans
- Meta-Research Team, Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Marcel Vlig
- Preclinical Research, Association of Dutch Burn Centres (ADBC), Beverwijk, The Netherlands
| | - Esther Middelkoop
- Preclinical Research, Association of Dutch Burn Centres (ADBC), Beverwijk, The Netherlands; Department of Plastic, Reconstructive and Hand Surgery, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands; Tissue Function and Regeneration, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Irma Joosten
- Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Hans J P M Koenen
- Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Bouke K H L Boekema
- Preclinical Research, Association of Dutch Burn Centres (ADBC), Beverwijk, The Netherlands; Department of Plastic, Reconstructive and Hand Surgery, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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Burmeister DM, Gómez BI, Dubick MA. Molecular mechanisms of trauma-induced acute kidney injury: Inflammatory and metabolic insights from animal models. Biochim Biophys Acta Mol Basis Dis 2017; 1863:2661-2671. [DOI: 10.1016/j.bbadis.2017.04.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 02/14/2017] [Accepted: 04/10/2017] [Indexed: 12/19/2022]
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Parecoxib reduces systemic inflammation and acute lung injury in burned animals with delayed fluid resuscitation. Int J Inflam 2014; 2014:972645. [PMID: 24579056 PMCID: PMC3918702 DOI: 10.1155/2014/972645] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Revised: 11/20/2013] [Accepted: 11/20/2013] [Indexed: 11/17/2022] Open
Abstract
Burn injuries result in the release of proinflammatory mediators causing both local and systemic inflammation. Multiple organ dysfunctions secondary to systemic inflammation after severe burn contribute to adverse outcome, with the lungs being the first organ to fail. In this study, we evaluate the anti-inflammatory effects of Parecoxib, a parenteral COX-2 inhibitor, in a delayed fluid resuscitation burned rat model. Anaesthetized Sprague Dawley rats were inflicted with 45% total body surface area full-thickness scald burns and subsequently subjected to delayed resuscitation with Hartmann's solution. Parecoxib (0.1, 1.0, and 10 mg/kg) was delivered intramuscularly 20 min after injury followed by 12 h interval and the rats were sacrificed at 6 h, 24 h, and 48 h. Burn rats developed elevated blood cytokines, transaminase, creatinine, and increased lung MPO levels. Animals treated with 1 mg/kg Parecoxib showed significantly reduced plasma level of CINC-1, IL-6, PGEM, and lung MPO. Treatment of 1 mg/kg Parecoxib is shown to mitigate systemic and lung inflammation without significantly affecting other organs. At present, no specific therapeutic agent is available to attenuate the systemic inflammatory response secondary to burn injury. The results suggest that Parecoxib may have the potential to be used both as an analgesic and ameliorate the effects of lung injury following burn.
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Gokakin AK, Deveci K, Kurt A, Karakus BC, Duger C, Tuzcu M, Topcu O. The protective effects of sildenafil in acute lung injury in a rat model of severe scald burn: A biochemical and histopathological study. Burns 2013; 39:1193-9. [DOI: 10.1016/j.burns.2012.12.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Revised: 10/31/2012] [Accepted: 12/15/2012] [Indexed: 12/31/2022]
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Zhang BQ, Wang G, Zhang JP, Hu JY, Xiao R, Lei ZY, Ruan J, Dang YM, Zhang DX, Bian XW, Huang YS. Protective effects of enalapril, an angiotensin-converting enzyme inhibitor, on multiple organ damage following scald injury in rats. Biotechnol Appl Biochem 2013; 59:307-13. [PMID: 23586864 DOI: 10.1002/bab.1027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2012] [Accepted: 06/14/2012] [Indexed: 01/11/2023]
Abstract
The aim of this study is to investigate the effects of enalapril, an angiotensin-converting enzyme inhibitor, on multiple organ damage after scald injury. Healthy adult rats (half male and half female; 8-12 weeks old) were randomly assigned to the following treatments: sham operation, scald injury, and intraperitoneal enalapril (1, 2, and 4 mg/kg body weight) treatment after scalding. At 1, 12, and 24 H postscald, left ventricular and aortic hemodynamics were measured using a multichannel physiological recorder. Functional and pathological changes of the heart, liver, and kidney were examined by biochemical and histological methods. Compared with sham controls, untreated scalded animals showed decreased hemodynamic parameters and increased myocardial angiotensin II, serum creatine kinase heart isoenzyme, and serum cardiac troponin I and histopathological inflammation in the myocardium 12 H postscald. These hemodynamic, functional, and pathological changes were attenuated by 1 mg/kg enalapril. Enalapril reversed scald-induced elevations in aspartate aminotransferase, alanine aminotransferase, blood urea nitrogen, and blood creatinine 12 H postscald, and ameliorated focal necrosis in the liver and erythrocyte cast formation in renal tubules. However, higher doses of enalapril yielded less or no improvement in organ dysfunction. Enalapril at 1 mg/kg attenuates scald-induced multiple organ damage in rats.
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Affiliation(s)
- Bing-Qian Zhang
- Institute of Burn Research of PLA, National Key Laboratory of Trauma, Burn and Combined Injury, Third Military Medical University, Chongqing, People's Republic of China
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Berdyshev AG, Gulaia AA, Chumak AA, Kindruk NL. [Effect of N-stearoylethanolamine on free amino acid levels in rat plasma and liver with burn]. BIOMEDITSINSKAIA KHIMIIA 2011; 57:446-454. [PMID: 22066270 DOI: 10.18097/pbmc20115704446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The effect of the endocannabinoid congener N-stearoylethanolamine (NSE) on the content of plasma and liver free amino acids in burned rats was studied. The animals after the thermal burn of the skin received per os during 7 days the water suspension of NSE in the doze 10 mg/kg of body weight. In the other group of rats the suspension was applied on the wound (the concentration of NSE was 10 mg/ml). In experimental animals the total amount of free amino acids in plasma decreased after burn while the total amount of free amino acids in liver significantly increased. In burn animals the ratio of plasma and liver Phe/Tyr and Gly/Val was found to be augmented while the Fischer ratio (Ile+Leu+Val/Phe+Tyr) diminished compared with intact rats. It was shown for the first time that NSE caused normalization of the concentration of some free amino acids and of Phe/Tyr, Gly/Val ratios, and the Fischer ratio in blood plasma and liver of rats with the burn injury. Altogether, these data demonstrate that NSE possesses adaptogenic properties, and is involved in the organism response to a burn. These findings suggest possibility of NSE usage for burn treatment.
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Zhang J, Sio SWS, Moochhala S, Bhatia M. Role of hydrogen sulfide in severe burn injury-induced inflammation in mice. Mol Med 2010; 16:417-24. [PMID: 20440442 DOI: 10.2119/molmed.2010.00027] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2010] [Accepted: 04/22/2010] [Indexed: 02/05/2023] Open
Abstract
Endogenous hydrogen sulfide (H(2)S) is naturally synthesized in many types of mammalian cells from L-cysteine in the reactions catalyzed by cystathionine-β-synthase and cystathionine-γ-lyase (CSE). H(2)S has been demonstrated to play a proinflammatory role in various animal models of hindpaw edema, acute pancreatitis, lipopolysaccharide-induced endotoxemia and cecal ligation, and puncture-induced sepsis. Full-thickness burns that exceed 25% of the total body surface area (TBSA) produce a profound systemic inflammatory reaction characterized by leukocyte activation and plasma leakage in the microvasculature of tissues and organs remote from the wound. The aim of this study was to investigate the effect of local burn injury on induced distant organ endogenous H(2)S release and expression of CSE. Male BALB/c mice were subjected to 30% TBSA full-thickness burn and treated with saline (administered intraperitoneally [i.p.]); DL-propargylglycine (PAG, 50 mg/kg i.p.), which is a CSE inhibitor; or sodium hydrosulfide (NaHS, 10 mg/kg i.p.), which is an H(2)S donor. PAG was administered either 1 h before or 1 h after the burn injury, whereas NaHS was given at the same time as the burn injury. Measurements of liver myeloperoxidase (MPO) activities, liver H(2)S-synthesizing activity, plasma H(2)S level and liver and lung CSE mRNA expression and histological examination of tissues were performed after burn injury. Burn injury significantly increased the plasma H(2)S level and liver H(2)S synthesis 8 h after burn compared with the sham group. Burn injury also resulted in a significant upregulation of CSE mRNA in liver and lung. Prophylactic as well as therapeutic administration of PAG significantly reduced burn-associated systemic inflammation, as evidenced by MPO activity and histological changes in liver and lung. Injection of NaHS significantly aggravated burn-associated systemic inflammation. Therefore, our findings show for the first time the role of H(2)S in contributing to inflammatory damage after burn injury.
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Affiliation(s)
- Jing Zhang
- Department of Pharmacology, National University of Singapore, Singapore
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