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Ali HN, Niranji SS, Al‐Jaf SMA. Association of tumor necrosis factor alpha ‐308 single nucleotide polymorphism with SARS CoV‐2 infection in an Iraqi Kurdish population. J Clin Lab Anal 2022; 36:e24400. [PMID: 35373411 PMCID: PMC9102518 DOI: 10.1002/jcla.24400] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 12/26/2022] Open
Abstract
Uncovering risk factors playing roles in the severity of Coronavirus disease 2019 (Covid‐19) are important for understanding pathoimmunology of the disease caused by severe acute respiratory syndrome Coronavirus 2 (SARS CoV‐2). Genetic variations in innate immune genes have been found to be associated with Covid‐19 infections. A single‐nucleotide polymorphism (SNP) in a promoter region of tumor necrosis factor alpha (TNF‐α) gene, TNF‐α −308G>A, increases expression of TNF‐α protein against infectious diseases leading to immune dysregulations and organ damage. This study aims to discover associations between TNF‐α −308G>A SNP and Covid‐19 infection. Polymerase chain reaction‐restriction fragment length polymorphism (PCR‐RFLP) was used for genotyping a general Kurdish population and Covid‐19 patients. The homozygous mutant (AA) genotype was found to be rare in the current studied population. Interestingly, the heterozygous (GA) genotype was significantly (p value = 0.0342) higher in the Covid‐19 patients than the general population. This suggests that TNF‐α −308G>A SNP might be associated with Covid‐19 infections. Further studies with larger sample sizes focusing on different ethnic populations are recommended.
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Affiliation(s)
| | - Sherko S. Niranji
- College of Medicine University of Garmian Kalar Iraq
- Coronavirus Research and Identification Laboratory University of Garmian Kalar Iraq
- Department of Biology College of Education University of Garmian Kalar Iraq
| | - Sirwan M. A. Al‐Jaf
- College of Medicine University of Garmian Kalar Iraq
- Coronavirus Research and Identification Laboratory University of Garmian Kalar Iraq
- Department of Biology College of Education University of Garmian Kalar Iraq
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Fishchuk L, Rossokha Z, Pokhylko V, Cherniavska Y, Tsvirenko S, Kovtun S, Medvedieva N, Vershyhora V, Gorovenko N. Modifying effects of TNF-α, IL-6 and VDR genes on the development risk and the course of COVID-19. Pilot study. Drug Metab Pers Ther 2021; 37:133-139. [PMID: 34860474 DOI: 10.1515/dmpt-2021-0127] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 11/03/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVES COVID-19 continues to range around the world and set morbidity and mortality antirecords. Determining the role of genetic factors in the development of COVID-19 may contribute to the understanding of the pathogenetic mechanisms that lead to the development of complications and fatalities in this disease. The aim of our study was to analyze the effect of TNF-α (rs1800629), IL-6 (rs1800795) and VDR (rs731236 and rs1544410) genes variants on the development risk and the course of COVID-19 in intensive care patients. METHODS The study group included 31 patients with diagnosis "viral COVID-19 pneumonia". All patients underwent standard daily repeated clinical, instrumental and laboratory examinations. Determination of IL-6, TNF-α, and VDR genes variants was performed using the PCR-RFLP method. RESULTS It was found a significant increase in the rate of the CC genotype and C allele (38.7 vs. 12.0% and 0.6 vs. 0.4%, respectively) of the IL-6 gene in all patients of the study in comparison with population frequencies. There was a significantly higher rate of heterozygous genotypes TC and GA of the VDR gene in group of died patients. The rs1800629 variant of the TNF-α gene is associated with the need for respiratory support and its longer duration in patients with COVID-19. CONCLUSIONS The obtained results support a hypothesis about the influence of variants of IL-6, TNF-α and VDR genes on severity of COVID-19. However, in order to draw definite conclusions, further multifaceted research in this area are need.
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Affiliation(s)
- Liliia Fishchuk
- State Institution "Reference-Centre for Molecular Diagnostic of Public Health Ministry of Ukraine", Kyiv, Ukraine
| | - Zoia Rossokha
- State Institution "Reference-Centre for Molecular Diagnostic of Public Health Ministry of Ukraine", Kyiv, Ukraine
| | - Valeriy Pokhylko
- Department of Pediatrics № 1 with Propedeutics and Neonatology, Ukrainian Medical Stomatological Academy, Poltava, Ukraine
| | - Yuliia Cherniavska
- Department of Pediatrics № 1 with Propedeutics and Neonatology, Ukrainian Medical Stomatological Academy, Poltava, Ukraine
| | - Svitlana Tsvirenko
- Department of Pediatrics № 1 with Propedeutics and Neonatology, Ukrainian Medical Stomatological Academy, Poltava, Ukraine
| | - Serhii Kovtun
- Poltava Regional Clinical Infectious Diseases Hospital of Poltava Regional Council, Poltava, Ukraine
| | - Nataliia Medvedieva
- State Institution "Reference-Centre for Molecular Diagnostic of Public Health Ministry of Ukraine", Kyiv, Ukraine
| | - Viktoriia Vershyhora
- State Institution "Reference-Centre for Molecular Diagnostic of Public Health Ministry of Ukraine", Kyiv, Ukraine
| | - Nataliia Gorovenko
- Department of Medical and Laboratory Genetics, Shupyk National Healthcare University of Ukraine, Kyiv, Ukraine
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Georgescu AM, Banescu C, Azamfirei R, Hutanu A, Moldovan V, Badea I, Voidazan S, Dobreanu M, Chirtes IR, Azamfirei L. Evaluation of TNF-α genetic polymorphisms as predictors for sepsis susceptibility and progression. BMC Infect Dis 2020; 20:221. [PMID: 32171247 PMCID: PMC7071754 DOI: 10.1186/s12879-020-4910-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 02/19/2020] [Indexed: 12/12/2022] Open
Abstract
Background The goal of the study was to evaluate a potential role for tumor necrosis factor alpha (TNF-α) genetic variability as biomarker in sepsis. In particular, we aimed to determine if single nucleotide polymorphisms (SNPs) of TNF-α gene are associated with sepsis in terms of risk, severity and outcome. Methods We performed a prospective study on 163 adult critically ill septic patients (septic shock 65, sepsis 98, further divided in 40 survivors and 123 deceased) and 232 healthy controls. Genotyping of TNF-α SNPs (-308G/A, -238G/A, -376G/A and +489G/A) was performed for all patients and controls and plasma cytokine levels were measured during the first 24 h after sepsis onset. Results TNF-α +489G/A A-allele carriage was associated with significantly lower risk of developing sepsis and sepsis shock (AA+AG vs GG: OR = 0.53; p = 0.004; 95% CI = 0.34–0.82 and OR = 0.39; p = 0.003; 95% CI = 0.21–0.74, respectively) but not with sepsis-related outcomes. There was no significant association between any of the other TNF-α promoter SNPs, or their haplotype frequencies and sepsis or septic shock risk. Circulating TNF-α levels were higher in septic shock; they were not correlated with SNP genotype distribution; GG homozygosity for each polymorphism was correlated with higher TNF-α levels in septic shock. Conclusions TNF-α +489G/A SNP A-allele carriage may confer protection against sepsis and septic shock development but apparently does not influence sepsis-related mortality. Promoter TNF-α SNPs did not affect transcription and were not associated with distinct sepsis, septic shock risk or outcomes.
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Affiliation(s)
- Anca Meda Georgescu
- Infectious Diseases Clinic, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Claudia Banescu
- Genetics Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania.
| | - Razvan Azamfirei
- Johns Hopkins School of Medicine, Johns Hopkins University, 733 N Broadway, Baltimore, MD, 21202, USA
| | - Adina Hutanu
- Immunology Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Valeriu Moldovan
- Genetics Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Iudita Badea
- Department of Anesthesiology and Intensive Care, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Septimiu Voidazan
- Department of Epidemiology, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Minodora Dobreanu
- Immunology Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Ioana Raluca Chirtes
- Infectious Diseases Clinic, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
| | - Leonard Azamfirei
- Department of Anesthesiology and Intensive Care, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gh. Marinescu St, 540139, Targu Mures, Romania
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Pan J, Hu J, Qi X, Xu L. Association study of a functional variant of TNF-α gene and serum TNF-α level with the susceptibility of congenital heart disease in a Chinese population. Postgrad Med J 2019; 95:547-551. [PMID: 31324728 DOI: 10.1136/postgradmedj-2019-136621] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 05/31/2019] [Accepted: 06/23/2019] [Indexed: 12/28/2022]
Abstract
BACKGROUND Congenital heart disease (CHD) is among the leading causes of infant death worldwide. Although shortage of folate has been found potentially to contribute to CHD in the embryo, the aetiology of CHD was not completely understood. Inflammation and altered immune processes are involved in all forms of cardiac malformation, including CHD. Tumour necrosis factor-α (TNF-α), was involved in the pathogenesis of multiple kinds of heart diseases. However, no studies have systematically evaluated the associations of genetic variants of TNF-α with susceptibility of CHD. METHODS A case-control study was conducted to evaluate the associations between tagSNPs of TNF-α and CHD susceptibility. Serum level of TNF-α was assessed using ELISA. The dual luciferase reporter assay was used to evaluate the functional significance of variant rs1800629 on TNF-α transcriptional activity. RESULTS We found rs1800629 was significantly correlated with increased CHD susceptibility (OR: 1.72, 95% CI 1.26 to 2.36, p=0.001). Serum levels of TNF-α were significantly higher in CHD group (9.09±1.90 pg/mL) than that in control group (6.12±1.56 pg/mL, p<0.001). The AA genotype and AG genotype of rs1800629 was associated with higher serum TNF-α level, compared with GG genotype. The dual luciferase reporter assay showed that promoter activity was significantly increased by 57% and 76% for plasmids containing the minor A allele compared with the major G allele in H9c2 and HEK 293T, respectively. CONCLUSION These results indicate that higher level of serum TNF-α increases risk of CHD, while TNF-α rs1800629 A allele might contribute to higher risk for CHD due to the increase in TNF-α expression.
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Affiliation(s)
- Jun Pan
- Pediatrics, Taihe Hospital, Shiyan, China
| | - Jiang Hu
- Oncology, Taihe Hospital, Shiyan, China
| | - Xusheng Qi
- Pediatrics, Taihe Hospital, Shiyan, China
| | - Liqin Xu
- Pediatrics, Taihe Hospital, Shiyan, China
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Chen Y, Hu Y, Song Z. The association between interleukin-6 gene -174G/C single nucleotide polymorphism and sepsis: an updated meta-analysis with trial sequential analysis. BMC MEDICAL GENETICS 2019; 20:35. [PMID: 30782124 PMCID: PMC6379942 DOI: 10.1186/s12881-019-0766-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 02/14/2019] [Indexed: 12/21/2022]
Abstract
Background This article intends to explore the association between interleukin-6 gene (IL-6) -174 G/C single nucleotide polymorphism (SNP) and the risk and mortality of sepsis by conducting this updated meta-analysis with trial sequential analysis. Methods References were made to PubMed, Web of Science, China National Knowledge Infrastructure for studies available by September 2018. Each publication was screened for its eligibility and data accessible. Statistical analysis was conducted on Stata 14.1 and TSA software 0.9.5.10 Beta Results Twenty studies (including 3282 cases and 4926 controls) and eight studies (including 610 cases and 1856 controls) were respectively enrolled in the analysis on the association between IL-6-174 G/C polymorphism and the risk and mortality of sepsis. The results did not present any association between IL-6-174 G/C polymorphism and the risk and mortality of sepsis. An exception was that IL-6-174 G/C polymorphism was correlated with worse outcome in non-adults in recessive model, co-dominant model (CC vs. GG) and allelic model, while trial sequential analysis revealed it could be a false positive result nevertheless. Conclusions IL-6-174 G/C polymorphism is not associated with the risk and mortality of sepsis. Trial sequential analysis showed that a large sample size was needed to get a more reliable result of the association between IL-6-174 G/C polymorphism and sepsis in non-adults. Electronic supplementary material The online version of this article (10.1186/s12881-019-0766-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yao Chen
- Department of Emergency Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Yanyan Hu
- Department of Emergency Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Zhenju Song
- Department of Emergency Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.
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MacKenzie M, Hall R. Pharmacogenomics and pharmacogenetics for the intensive care unit: a narrative review. Can J Anaesth 2016; 64:45-64. [PMID: 27752976 DOI: 10.1007/s12630-016-0748-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 08/31/2016] [Accepted: 09/30/2016] [Indexed: 12/17/2022] Open
Abstract
PURPOSE Knowledge of how alterations in pharmacogenomics and pharmacogenetics may affect drug therapy in the intensive care unit (ICU) has received little study. We review the clinically relevant application of pharmacogenetics and pharmacogenomics to drugs and conditions encountered in the ICU. SOURCE We selected relevant literature to illustrate the important concepts contained within. PRINCIPAL FINDINGS Two main approaches have been used to identify genetic abnormalities - the candidate gene approach and the genome-wide approach. Genetic variability in response to drugs may occur as a result of alterations of drug-metabolizing (cytochrome P [CYP]) enzymes, receptors, and transport proteins leading to enhancement or delay in the therapeutic response. Of relevance to the ICU, genetic variation in CYP-450 isoenzymes results in altered effects of midazolam, fentanyl, morphine, codeine, phenytoin, clopidogrel, warfarin, carvedilol, metoprolol, HMG-CoA reductase inhibitors, calcineurin inhibitors, non-steroidal anti-inflammatory agents, proton pump inhibitors, and ondansetron. Changes in cholinesterase enzyme function may affect the disposition of succinylcholine, benzylisoquinoline muscle relaxants, remifentanil, and hydralazine. Genetic variation in transport proteins leads to differences in the response to opioids and clopidogrel. Polymorphisms in drug receptors result in altered effects of β-blockers, catecholamines, antipsychotic agents, and opioids. Genetic variation also contributes to the diversity and incidence of diseases and conditions such as sepsis, malignant hyperthermia, drug-induced hypersensitivity reactions, cardiac channelopathies, thromboembolic disease, and congestive heart failure. CONCLUSION Application of pharmacogenetics and pharmacogenomics has seen improvements in drug therapy. Ongoing study and incorporation of these concepts into clinical decision making in the ICU has the potential to affect patient outcomes.
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Affiliation(s)
- Meghan MacKenzie
- Pharmacy Department, Nova Scotia Health Authority, Halifax, NS, Canada.,College of Pharmacy, Dalhousie University, Halifax, NS, Canada
| | - Richard Hall
- Departments of Anesthesia, Pain Management and Perioperative Medicine and Critical Care Medicine and Pharmacology, Dalhousie University and the Nova Scotia Health Authority, Halifax, NS, B3H 3A7, Canada.
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Franklin AL, Said M, Cappiello CD, Gordish-Dressman H, Tatari-Calderone Z, Vukmanovic S, Rais-Bahrami K, Luban NLC, Devaney JM, Sandler AD. Are Immune Modulating Single Nucleotide Polymorphisms Associated with Necrotizing Enterocolitis? Sci Rep 2015; 5:18369. [PMID: 26670709 PMCID: PMC4680983 DOI: 10.1038/srep18369] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 11/16/2015] [Indexed: 01/01/2023] Open
Abstract
Necrotizing enterocolitis (NEC) is a devastating gastrointestinal emergency. The purpose of this study is to determine if functional single nucleotide polymorphisms (SNPs) in immune-modulating genes pre-dispose infants to NEC. After Institutional Review Board approval and parental consent, buccal swabs were collected for DNA extraction. TaqMan allelic discrimination assays and BglII endonuclease digestion were used to genotype specific inflammatory cytokines and TRIM21. Statistical analysis was completed using logistic regression. 184 neonates were analyzed in the study. Caucasian neonates with IL-6 (rs1800795) were over 6 times more likely to have NEC (p = 0.013; OR = 6.61, 95% CI 1.48–29.39), and over 7 times more likely to have Stage III disease (p = 0.011; OR = 7.13, (95% CI 1.56–32.52). Neonates with TGFβ-1 (rs2241712) had a decreased incidence of NEC-related perforation (p = 0.044; OR = 0.28, 95% CI: 0.08–0.97) and an increased incidence of mortality (p = 0.049; OR = 2.99, 95% CI: 1.01 – 8.86). TRIM21 (rs660) was associated with NEC-related intestinal perforation (p = 0.038; OR = 4.65, 95% CI 1.09–19.78). In premature Caucasian neonates, the functional SNP IL-6 (rs1800795) is associated with both the development and increased severity of NEC. TRIM21 (rs660) and TGFβ-1 (rs2241712) were associated with NEC- related perforation in all neonates in the cohort. These findings suggest a possible genetic role in the development of NEC.
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Affiliation(s)
- Ashanti L Franklin
- Division of General and Thoracic Surgery, Children's National Health System, 111 Michigan Ave NW, Washington, DC 20010
| | - Mariam Said
- Division of Neonatology, Children's National Health System, Washington, DC, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, 111 Michigan Ave NW, Washington, DC 20010
| | - Clint D Cappiello
- Division of General and Thoracic Surgery, Children's National Health System, 111 Michigan Ave NW, Washington, DC 20010
| | - Heather Gordish-Dressman
- Children's Research Institute, Children's National Health System, Washington, DC, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, 111 Michigan Ave NW, Washington, DC 20010
| | - Zohreh Tatari-Calderone
- Sheikh Zayed Institute, Children's National Health System, Washington, DC, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, 111 Michigan Ave NW, Washington, DC 20010
| | - Stanislav Vukmanovic
- Sheikh Zayed Institute, Children's National Health System, Washington, DC, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, 111 Michigan Ave NW, Washington, DC 20010
| | - Khodayar Rais-Bahrami
- Division of Neonatology, Children's National Health System, Washington, DC, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, 111 Michigan Ave NW, Washington, DC 20010
| | - Naomi L C Luban
- Department Laboratory Medicine, Children's National Health System Washington, DC, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, 111 Michigan Ave NW, Washington, DC 20010
| | - Joseph M Devaney
- Department of Genetic Medicine, Children's National Health System, 111 Michigan Ave NW, Washington, DC 20010
| | - Anthony D Sandler
- Division of General and Thoracic Surgery, Children's National Health System, Washington, DC, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, 111 Michigan Ave NW, Washington, DC 20010
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Christaki E, Giamarellos-Bourboulis EJ. The beginning of personalized medicine in sepsis: small steps to a bright future. Clin Genet 2014; 86:56-61. [PMID: 24579691 DOI: 10.1111/cge.12368] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 02/24/2014] [Accepted: 02/24/2014] [Indexed: 02/04/2023]
Abstract
There is a growing recognition that there is a need for a more personalized approach towards sepsis care. In most clinical trials investigating novel therapeutic interventions against sepsis, patients have been considered a rather homogeneous population. However, there is probably more individual variability between septic patients than previously considered. The pathophysiology of sepsis is a complex and dynamic process that originates from the host immune response to infection and varies according to the genetic predisposition, immune status and co-morbid conditions of the host, the type of pathogen and the site and extent of infection. Until now, efforts to stratify septic patients according to their immune profile were hampered by the lack of specific biomarkers. Recent advances in molecular medicine have made it possible to develop tools that will facilitate a faster and more precise diagnosis of infection. Individual variability between each patient's responses to infection can assist in tailoring therapeutic interventions to the individual's disease profile and monitoring treatment response. In this review, we describe those recent advances in genomics and theragnostics, which are slowly entering clinical practice and which will make possible a more personalized approach to each septic patient in the next decade.
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Affiliation(s)
- E Christaki
- First Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece; Infectious Diseases Division, Alpert School of Medicine of Brown University, Providence, RI, USA
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Chaudhry H, Zhou J, Zhong Y, Ali MM, McGuire F, Nagarkatti PS, Nagarkatti M. Role of cytokines as a double-edged sword in sepsis. In Vivo 2013; 27:669-684. [PMID: 24292568 PMCID: PMC4378830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND Sepsis is a deadly immunological disorder and its pathophysiology is still poorly understood. We aimed to determine if specific pro-inflammatory and anti-inflammatory cytokines can be used as diagnostic and therapeutic targets for sepsis. MATERIALS AND METHODS Recent publications in the MEDLINE database were searched for articles regarding the clinical significance of inflammatory cytokines in sepsis. RESULTS In response to pathogen infection, pro-inflammatory cytokines [interleukin-6 (IL-6), IL-8, IL-18 and tumor necrosis factor-α (TNF-α)] and anti-inflammatory cytokine (IL-10) increased in patients with sepsis. Importantly, a decrease in IL-6 was associated with a better prognosis and overproduction of IL-10 was found to be the main predictor of severity and fatal outcome. CONCLUSION Both pro-inflammatory and anti-inflammatory cytokines constitute a double-edged sword in sepsis; on one hand they are critical to eliminate the infection while on the other, excessive production can cause tissue and organ damage. Increase in cytokines such as IL-6, Il-8, IL-10, IL-18 and TNF-α may have implications in diagnosis and treatment of sepsis.
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Affiliation(s)
- Hina Chaudhry
- Institute for Tumor Immunology, Ludong University School of Life Sciences, 186 Hongqi Middle Road, Yantai, Shandong 264025, PR China.
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