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Hao YP. Evaluating the role of interleukin-2 and interleukin-12 in pediatric patients with concurrent Mycoplasma pneumoniae and Epstein-Barr virus infections. World J Clin Cases 2024; 12:5346-5353. [DOI: 10.12998/wjcc.v12.i23.5346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 05/24/2024] [Accepted: 06/11/2024] [Indexed: 07/05/2024] Open
Abstract
BACKGROUND Mycoplasma pneumoniae (MP) frequently causes respiratory infections in children, whereas Epstein-Barr virus (EBV) typically presents subclinical manifestations in immunocompetent pediatric populations. The incidence of MP and EBV co-infections is often overlooked clinically, with the contributory role of EBV in pulmonary infections alongside MP remaining unclear.
AIM To evaluate the serum concentrations of interleukin-2 (IL-2) and interleukin-12 (IL-12) in pediatric patients with MP pneumonia co-infected with EBV and assess their prognostic implications.
METHODS We retrospectively analyzed clinical data from patients diagnosed with MP and EBV co-infection, isolated MP infection, and a control group of healthy children, spanning from January 1, 2018 to December 31, 2021. Serum IL-2 and IL-12 levels were quantified using enzyme-linked immunosorbent assay. Logistic regression was employed to identify factors influencing poor prognosis, while receiver operating characteristic (ROC) curves evaluated the prognostic utility of serum IL-2 and IL-12 levels in co-infected patients.
RESULTS The co-infection group exhibited elevated serum IL-2 and C-reactive protein (CRP) levels compared to both the MP-only and control groups, with a reverse trend observed for IL-12 (P < 0.05). In the poor prognosis cohort, elevated CRP and IL-2 levels, alongside prolonged fever duration, contrasted with reduced IL-12 levels (P < 0.05). Logistic regression identified elevated IL-2 as an independent risk factor and high IL-12 as a protective factor for adverse outcomes (P < 0.05). ROC analysis indicated that the area under the curves for IL-2, IL-12, and their combination in predicting poor prognosis were 0.815, 0.895, and 0.915, respectively.
CONCLUSION Elevated serum IL-2 and diminished IL-12 levels in pediatric patients with MP and EBV co-infection correlate with poorer prognosis, with combined IL-2 and IL-12 levels offering enhanced predictive accuracy.
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Affiliation(s)
- Yan-Ping Hao
- Department of Pediatrics, Maternal and Child Health Hospital, Shaoxing 312400, Zhejiang Province, China
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2
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Xie Y, Hu Q, Jiang W, Ji W, Chen S, Jin Y, Duan G. Laboratory Indicators for Identifying Hand, Foot, and Mouth Disease Severity: A Systematic Review and Meta-Analysis. Vaccines (Basel) 2022; 10:1829. [PMID: 36366337 PMCID: PMC9694715 DOI: 10.3390/vaccines10111829] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 10/21/2023] Open
Abstract
OBJECTIVE The purpose of this study is to study laboratory indicators for the identification of hand, foot, and mouth disease (HFMD) severity. METHODS We searched PubMed, Embase, and the Web of Science for literature that was published before May 2022. The main results are presented as forest plots. Subgroup analyses, sensitivity analyses, and publication bias were also performed. RESULTS Our study indicated that white blood cells (WBC) (95%CI: 0.205-0.778), blood glucose (95%CI: 0.505-0.778), lymphocytes (95%CI: 0.072-0.239), creatinine (95%CI: 0.024-0.228), interleukin (IL)-2 (95%CI: 0.192-1.642), IL-6 (95%CI: 0.289-0.776), IL-8 (95%CI: 0.499-0.867), IL-10 (95%CI: 0.226-0.930), interferon-γ (IFN-γ) (95%CI: 0.193-2.584), tumor necrosis factor-α (TNF-α) (95%CI: 1.078-2.715), and creatine kinase MB isoenzyme (CK-MB) (95%CI: 0.571-1.459) were associated with an increased risk of HFMD severity, and the results of the sensitivity analysis of these indicators were stable and free of publication bias. CONCLUSIONS Our results suggest that various deleterious immune and metabolic changes can increase the risk of HFMD severity, which can provide a basis for predicting the prognosis and useful evidence for clinicians to manage patients efficiently.
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Affiliation(s)
- Yaqi Xie
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Quanman Hu
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Wenjie Jiang
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Wangquan Ji
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Shuaiyin Chen
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yuefei Jin
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Guangcai Duan
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou 450001, China
- Henan Key Laboratory of Molecular Medicine, Zhengzhou University, Zhengzhou 450001, China
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3
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Abnormalities of ILC1 in children with hand, foot and mouth disease during enterovirus 71 infection. Virology 2020; 551:36-45. [PMID: 33011521 DOI: 10.1016/j.virol.2020.08.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 08/30/2020] [Accepted: 08/31/2020] [Indexed: 02/01/2023]
Abstract
Children with HFMD due to EV71 infection are more likely to suffer from neurogenic complications, leading to higher morbidity and mortality. ILCs play crucial roles in the initiation of host immunity. However, the contribution of ILCs to the occurrence and development of HFMD due to EV71 infection remains to be explored. The results of our study showed that the levels of peripheral ILC1s and Th1 cells were increased in children with severe HFMD compared to healthy children, as were ILC1- and Th1-related cytokines and transcription factors. Furthermore, HFMD children with a higher frequency of circulating ILC1s exhibited a 2.9-fold greater risk of severity when HFMD was accompanied by VEM. Our study is the first to show that ILC1 abnormalities contribute to the pathogenesis of the severity of HFMD, in which ILC1s are aberrant increased and affect the cellular and humoral immunity. ILC1s could be used in the diagnosis of HFMD.
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Wiatr M, Figueiredo R, Stump-Guthier C, Winter P, Ishikawa H, Adams O, Schwerk C, Schroten H, Rudolph H, Tenenbaum T. Polar Infection of Echovirus-30 Causes Differential Barrier Affection and Gene Regulation at the Blood-Cerebrospinal Fluid Barrier. Int J Mol Sci 2020; 21:E6268. [PMID: 32872518 PMCID: PMC7503638 DOI: 10.3390/ijms21176268] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/26/2020] [Accepted: 08/26/2020] [Indexed: 12/13/2022] Open
Abstract
Echovirus-30 (E-30) is responsible for the extensive global outbreaks of meningitis in children. To gain access to the central nervous system, E-30 first has to cross the epithelial blood-cerebrospinal fluid barrier. Several meningitis causing bacteria preferentially infect human choroid plexus papilloma (HIBCPP) cells in a polar fashion from the basolateral cell side. Here, we investigated the polar infection of HIBCPP cells with E-30. Both apical and basolateral infections caused a significant decrease in the transepithelial electrical resistance of HIBCPP cells. However, to reach the same impact on the barrier properties, the multiplicity of infection of the apical side had to be higher than that of the basolateral infection. Furthermore, the number of infected cells at respective time-points after basolateral infection was significantly higher compared to apical infection. Cytotoxic effects of E-30 on HIBCPP cells during basolateral infection were observed following prolonged infection and appeared more drastically compared to the apical infection. Gene expression profiles determined by massive analysis of cDNA ends revealed distinct regulation of specific genes depending on the side of HIBCPP cells' infection. Altogether, our data highlights the polar effects of E-30 infection in a human in vitro model of the blood-cerebrospinal fluid barrier leading to central nervous system inflammation.
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Affiliation(s)
- Marie Wiatr
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany; or (C.S.-G.); (C.S.); (H.S.); or
| | - Ricardo Figueiredo
- GenXpro GmbH, 60438 Frankfurt am Main, Germany; (R.F.); (P.W.)
- Johann Wolfgang Goethe University Frankfurt, 60438 Frankfurt Am Main, Germany
| | - Carolin Stump-Guthier
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany; or (C.S.-G.); (C.S.); (H.S.); or
| | - Peter Winter
- GenXpro GmbH, 60438 Frankfurt am Main, Germany; (R.F.); (P.W.)
| | - Hiroshi Ishikawa
- Department of Clinical Regenerative Medicine, Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Tennodai, Tsukuba, Ibaraki 305-0005, Japan;
| | - Ortwin Adams
- Institute for Virology, Heinrich Heine University, 40225 Düsseldorf, Germany;
| | - Christian Schwerk
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany; or (C.S.-G.); (C.S.); (H.S.); or
| | - Horst Schroten
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany; or (C.S.-G.); (C.S.); (H.S.); or
| | - Henriette Rudolph
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany; or (C.S.-G.); (C.S.); (H.S.); or
| | - Tobias Tenenbaum
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany; or (C.S.-G.); (C.S.); (H.S.); or
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5
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Wang Y, Li Y, Yang Y, Peng C, Fu X, Gu X, Gao H. Virological investigation of genetic variation of enterovirus type 71 in hand, foot and mouth disease. Exp Ther Med 2020; 20:543-549. [PMID: 32537012 PMCID: PMC7281934 DOI: 10.3892/etm.2020.8728] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 04/01/2020] [Indexed: 12/23/2022] Open
Abstract
The aim of the present study was to analyze the sequence of the VP1 gene in enterovirus 71 (EV71) isolates and to explore their genetic evolution, so as to provide a scientific basis for the clinical prevention and treatment of hand, foot and mouth disease. The fecal samples of 590 patients with suspected hand, foot and mouth disease treated at Yan'an Hospital (Kunming, China) between January 2015 and December 2016 were collected and EV71 nucleic acid was detected by fluorescence PCR. The viral RNA of EV71-positive samples was extracted, the VP1 gene was amplified by PCR and the products were sequenced. The VP1 gene sequence was analyzed using DNAMAN and MEGA (version 4.0) software and homologous modeling was performed using Pymol software. A total of 50 EV71-positive samples were identified and the detection rate was 8.47% (50/590 cases). All of the 50 EV71 strains were of the C4 subtype. The genetic distance between the strains detected in the present study and EV71 strains detected in Beijing, Anhui and Malaysia was 0.01-0.03, while that between the strains detected in the present study and Australian strains was 2.11. Homologous modeling indicated that the amino acid sequence of the VP1 gene of the detected strains had a H144Y mutation. There was no significant genetic variation in the EV71 strain within the 2-year period. In conclusion, the EV71 strains detected in the present study was similar to that detected in Beijing, Anhui and Malaysia but different to that from Australia. A point mutation was present in the amino acid sequence of the VP1 gene.
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Affiliation(s)
- Yang Wang
- Department of Laboratory, Kunming Yanan Hospital, Kunming, Yunnan 650051, P.R. China
| | - Yi Li
- Department of Laboratory, Kunming Yanan Hospital, Kunming, Yunnan 650051, P.R. China
| | - Yuling Yang
- Department of Cell Biology and Genetics, Kunming Medical University, Chenggong, Kunming, Yunnan 650500, P.R. China
| | - Chuanmei Peng
- Department of Laboratory, Kunming Yanan Hospital, Kunming, Yunnan 650051, P.R. China
| | - Xiaoye Fu
- Department of Laboratory, Kunming Yanan Hospital, Kunming, Yunnan 650051, P.R. China
| | - Xin Gu
- Department of Laboratory, Kunming Yanan Hospital, Kunming, Yunnan 650051, P.R. China
| | - Hui Gao
- Department of Laboratory, Kunming Yanan Hospital, Kunming, Yunnan 650051, P.R. China
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6
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Majer A, McGreevy A, Booth TF. Molecular Pathogenicity of Enteroviruses Causing Neurological Disease. Front Microbiol 2020; 11:540. [PMID: 32328043 PMCID: PMC7161091 DOI: 10.3389/fmicb.2020.00540] [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: 11/26/2019] [Accepted: 03/12/2020] [Indexed: 12/12/2022] Open
Abstract
Enteroviruses are single-stranded positive-sense RNA viruses that primarily cause self-limiting gastrointestinal or respiratory illness. In some cases, these viruses can invade the central nervous system, causing life-threatening neurological diseases including encephalitis, meningitis and acute flaccid paralysis (AFP). As we near the global eradication of poliovirus, formerly the major cause of AFP, the number of AFP cases have not diminished implying a non-poliovirus etiology. As the number of enteroviruses linked with neurological disease is expanding, of which many had previously little clinical significance, these viruses are becoming increasingly important to public health. Our current understanding of these non-polio enteroviruses is limited, especially with regards to their neurovirulence. Elucidating the molecular pathogenesis of these viruses is paramount for the development of effective therapeutic strategies. This review summarizes the clinical diseases associated with neurotropic enteroviruses and discusses recent advances in the understanding of viral invasion of the central nervous system, cell tropism and molecular pathogenesis as it correlates with host responses.
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Affiliation(s)
- Anna Majer
- Viral Diseases Division, National Microbiology Laboratory, Winnipeg, MB, Canada
| | - Alan McGreevy
- Viral Diseases Division, National Microbiology Laboratory, Winnipeg, MB, Canada.,Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada.,Department of Biology, University of Winnipeg, Winnipeg, MB, Canada
| | - Timothy F Booth
- Viral Diseases Division, National Microbiology Laboratory, Winnipeg, MB, Canada.,Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
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7
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Xu Y, Li S, Liu J, Zhou J, Jin F, Chen X, Wang Y, Jiang Y, Chen Z. Impact of Epstein-Barr virus coinfection in Mycoplasma pneumoniae pneumonia. Medicine (Baltimore) 2020; 99:e19792. [PMID: 32311992 PMCID: PMC7440268 DOI: 10.1097/md.0000000000019792] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Mycoplasma pneumoniae (MP) is one of the most common pathogens of respiratory infection in children, while Epstein-Barr virus (EBV) infection is usually subclinical in immunocompetent children. Although single MP infection is common enough, MP and EBV coinfection have received little attention. Especially, the pathogenic role of EBV in lung when coinfection with MP, has not been clarified. The purpose of this study was to investigate the impact of EBV on MP pneumonia (MPP) in hospitalized children. We retrospectively reviewed the clinical data of MPP children who underwent screening for EBV by polymerase chain reaction in bronchoalveolar lavage fluid during hospitalization in 2014. Of total 147 patients, 68 patients were in the MP group and 79 were in the MP/EBV coinfection group. We found longer fever duration and higher CRP, IgA, IgG, interleukin-2 (IL-2), percentage of peripheral neutrophils levels, higher incidence of pulmonary consolidation and percentage of refractory MPP in coinfection group, when compared to those in MP group. In ROC curve analysis, IL-2 was useful for differentiating patients with coinfection from those with MP infection. Logistic regression analysis showed that the IL-2 ≥ 3.35 pg/ml (OR = 3.677) was a significant predictor regarding to MP/EBV coinfection. In conclusion, coinfection of EBV and MP poses a higher risk for prolonged symptoms. IL-2 could be used as a good predictor of coinfection.
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Affiliation(s)
- Yingchun Xu
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou
| | - Shuxian Li
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou
| | - Jinling Liu
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou
| | - Junfen Zhou
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou
- Department of Pediatrics, Wenling Maternal and Child Health Care Hospital, Wenling
| | - Fang Jin
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou
| | - Xiaoyang Chen
- Department of Developmental and Behavioral, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, Zhejiang, China
| | - Yingshuo Wang
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou
| | - Yuan Jiang
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou
| | - Zhimin Chen
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou
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8
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Xu Y, Li S, Cai C, Liu J, Wang Y, Jiang Y, Du L, Chen Z. Characterization of inflammatory cytokine profiles in cerebrospinal fluid of hand, foot, and mouth disease children with enterovirus 71-related encephalitis in Hangzhou, Zhejiang, China. Medicine (Baltimore) 2019; 98:e18464. [PMID: 31876729 PMCID: PMC6946215 DOI: 10.1097/md.0000000000018464] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Enterovirus 71 (EV71) is an important etiological agent of hand, foot, and mouth disease (HFMD), which can also lead to severe neurological complications (eg, encephalitis) in young children. Although a series of reports on EV71 infection have been published, the pathogenic mechanism of EV71 infection is still not fully understood.We evaluated the cerebrospinal fluid (CSF) levels of the inflammatory cytokines interleukin (IL)-8, IL-1β, IL-6, IL-10, tumor necrosis factor (TNF)-α, and IL-12p70 in 88 children with EV71-related encephalitis and 19 children with febrile convulsion (FC) with the use of commercial cytometric bead array kits.The levels of IL-8, IL-1β, IL-6, and IL-10 in CSF were significantly higher in encephalitis group when compared with those observed in FC group, while no significant changes were noted in the levels of TNF-α and IL-12p70. In addition, significant and positive correlations among CSF IL-8, IL-1β, IL-6, and IL-10 were observed in encephalitis group. Furthermore, receiver operator characteristic analysis determined a cut-off value of 10.62 pg/mL for IL-6 to discriminate encephalitis patients from FCs with the sensitivity and specificity of 89.8% and 84.2%, respectively. Moreover, logistic regression analyses revealed that IL-6 was an independent predictor of EV71-related encephalitis (odds ratio = 23.241, P < .001).Our results indicate that 4 inflammatory cytokines (IL-8, IL-1β, IL-6, and IL-10) play important roles in the pathogenesis of EV71 infection. IL-6 may be used for the evaluation of EV71-related encephalitis and as a potential therapy candidate for EV71 infection.
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Affiliation(s)
- Yingchun Xu
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine
| | - Shuxian Li
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine
| | - Chunyan Cai
- Department of Infectious Disease, Hangzhou Children's Hospital
| | - Jinling Liu
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine
| | - Yingshuo Wang
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine
| | - Yuan Jiang
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine
| | - Lizhong Du
- Department of Neonatology, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhimin Chen
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine
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9
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Wiatr M, Stump-Guthier C, Latorre D, Uhlig S, Weiss C, Ilonen J, Engelhardt B, Ishikawa H, Schwerk C, Schroten H, Tenenbaum T, Rudolph H. Distinct migratory pattern of naive and effector T cells through the blood-CSF barrier following Echovirus 30 infection. J Neuroinflammation 2019; 16:232. [PMID: 31752904 PMCID: PMC6868812 DOI: 10.1186/s12974-019-1626-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 10/28/2019] [Indexed: 01/04/2023] Open
Abstract
Background Echovirus 30 (E-30) is one of the most frequently isolated pathogens in aseptic meningitis worldwide. To gain access to the central nervous system (CNS), E-30 and immune cells have to cross one of the two main barriers of the CNS, the epithelial blood–cerebrospinal fluid barrier (BCSFB) or the endothelial blood–brain barrier (BBB). In an in vitro model of the BCSFB, it has been shown that E-30 can infect human immortalized brain choroid plexus papilloma (HIBCPP) cells. Methods In this study we investigated the migration of different T cell subpopulations, naive and effector T cells, through HIBCPP cells during E-30 infection. Effects of E-30 infection and the migration process were evaluated via immunofluorescence and flow cytometry analysis, as well as transepithelial resistance and dextran flux measurement. Results Th1 effector cells and enterovirus-specific effector T cells migrated through HIBCPP cells more efficiently than naive CD4+ T cells following E-30 infection of HIBCPP cells. Among the different naive T cell populations, CD8+ T cells crossed the E-30-infected HIBCPP cell layer in a significantly higher number than CD4+ T cells. A large amount of effector T cells also remained attached to the basolateral side of the HIBCPP cells compared with naive T cells. Analysis of HIBCPP barrier function showed significant alteration after E-30 infection and trans- as well as paracellular migration of T cells independent of the respective subpopulation. Morphologic analysis of migrating T cells revealed that a polarized phenotype was induced by the chemokine CXCL12, but reversed to a round phenotype after E-30 infection. Further characterization of migrating Th1 effector cells revealed a downregulation of surface adhesion proteins such as LFA-1 PSGL-1, CD44, and CD49d. Conclusion Taken together these results suggest that naive CD8+ and Th1 effector cells are highly efficient to migrate through the BCSFB in an inflammatory environment. The T cell phenotype is modified during the migration process through HIBCPP cells.
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Affiliation(s)
- Marie Wiatr
- Pediatric Infectious Diseases, University Children's Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - Carolin Stump-Guthier
- Pediatric Infectious Diseases, University Children's Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - Daniela Latorre
- Institute for Research in Biomedicine, Università della Svizzera italiana, 6500, Bellinzona, Switzerland.,Institute of Microbiology, ETH Zurich, 8093, Zurich, Switzerland
| | - Stefanie Uhlig
- Flowcore Mannheim, Ludolf-Krehl-Strasse 13 - 17, 68167, Mannheim, Germany
| | - Christel Weiss
- Institute of Medical Statistics and Biomathematics, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Jorma Ilonen
- Immunogenetics Laboratory, Institute of Biomedicine, and Clinical Microbiology, Turku University Hospital, University of Turku, Turku, Finland
| | | | - Hiroshi Ishikawa
- Department of NDU Life Sciences, School of Life Dentistry, Nippon Dental University, Tokyo, Japan
| | - Christian Schwerk
- Pediatric Infectious Diseases, University Children's Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - Horst Schroten
- Pediatric Infectious Diseases, University Children's Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - Tobias Tenenbaum
- Pediatric Infectious Diseases, University Children's Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany.
| | - Henriette Rudolph
- Pediatric Infectious Diseases, University Children's Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
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10
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Interleukin-7 promotes CD8+ T cell activity in patients with enterovirus 71 associated encephalitis. Int Immunopharmacol 2019; 75:105773. [DOI: 10.1016/j.intimp.2019.105773] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 07/10/2019] [Accepted: 07/18/2019] [Indexed: 01/25/2023]
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11
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Wang H, Yuan M, Wang S, Zhang L, Zhang R, Zou X, Wang X, Chen D, Wu Z. STAT3 Regulates the Type I IFN-Mediated Antiviral Response by Interfering with the Nuclear Entry of STAT1. Int J Mol Sci 2019; 20:ijms20194870. [PMID: 31575039 PMCID: PMC6801597 DOI: 10.3390/ijms20194870] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 09/24/2019] [Accepted: 09/28/2019] [Indexed: 12/15/2022] Open
Abstract
Signal transducer and activator of transcription 3 (STAT3) is a multifunctional factor that regulates inflammation and immunity. Knowledge of its regulatory mechanisms is very limited. Here, we showed that enterovirus 71 (EV71) infection induced the phosphorylation of STAT3 and the expression of its downstream inflammatory regulators. Knockdown of STAT3 with siRNAs significantly restricted viral RNA and protein levels, and also reduced viral titers. With further investigation, we found that importin α family member Karyopherin-α1 (KPNA1) was employed by both STAT1 and STAT3 for their nuclear import. The phosphorylated and un-phosphorylated STAT3 competed with STAT1 for binding to the decreased KPNA1 post infection and repressed downstream ISG expression. STAT3 knockdown alleviated the repressed type I IFN-mediated antiviral response upon infection and led to decreased viral replication. Taken together, our data suggested the role of STAT3 in maintaining the balance of inflammation and antiviral responses in the central nervous system (CNS) upon infection.
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Affiliation(s)
- Huanru Wang
- Center for Public Health Research, Medical School, Nanjing University, Nanjing 210093, China.
| | - Meng Yuan
- Center for Public Health Research, Medical School, Nanjing University, Nanjing 210093, China.
| | - Shuaibo Wang
- Jinling College, Nanjing University, Nanjing 210089, China.
| | - Li Zhang
- Center for Public Health Research, Medical School, Nanjing University, Nanjing 210093, China.
| | - Rui Zhang
- Center for Public Health Research, Medical School, Nanjing University, Nanjing 210093, China.
| | - Xue Zou
- Center for Public Health Research, Medical School, Nanjing University, Nanjing 210093, China.
| | - Xiaohui Wang
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
| | - Deyan Chen
- Center for Public Health Research, Medical School, Nanjing University, Nanjing 210093, China.
| | - Zhiwei Wu
- Center for Public Health Research, Medical School, Nanjing University, Nanjing 210093, China.
- State Key Lab of Analytical Chemistry for Life Science, Nanjing University, Nanjing 210023, China.
- Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing 210093, China.
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12
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Characterization of lymphocyte subsets in peripheral blood cells of children with EV71 infection. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2019; 53:705-714. [PMID: 30914258 DOI: 10.1016/j.jmii.2019.03.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/23/2019] [Accepted: 03/07/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Enterovirus 71 (EV71) is one of the major causative pathogens of hand, foot, and mouth disease (HFMD). Immune cells play a critical role in determining the outcomes of virus infection. We aimed to characterize the lymphocyte subsets and transcriptional levels of T lymphocytes-associated transcription factors in peripheral blood cells of children with EV71 infection. METHODS Peripheral blood samples from 32 children with EV71 infection and 32 control subjects were included in this study. The frequencies of T-, B-lymphocytes, and their subsets were determined by flow cytometry. The expression of transcription factors, including T-bet, Gata3, ROR γ t, Foxp3, TCF-1, and BCL-6 in the whole blood cells were evaluated by real-time reverse-transcription quantitative polymerase chain reaction (RT-qPCR). RESULTS The frequencies of T cells, helper T cells (Th), cytotoxic T cells (Tc), IFN-γ+ Th1, IFN-γ+ Tc1, and regulatory T (Treg) cells were significantly decreased (P < 0.01) in children with EV71 infection. As for IL-4+ Th2, IL-4+ Tc2, IL-17+ Th17, IL-17+ Tc17, follicular helper T cells (Tfh), CD3+CD8+IL-21+ T cells, CD19+ B cells, and CD19+IL-10+ B10 cells, their frequencies were significantly increased in the EV71 group (P < 0.01). The EV71 group had lower mRNA expressions of T-bet, Gata3, and Foxp3 than the control group (P < 0.05), whereas the expressions of ROR γ t, TCF-1, and BCL-6 showed no significant difference between two groups. CONCLUSIONS EV71 infection in children caused a decreased frequency of total Th, Tc and Treg cells, and increased percentages of B cell, Th2 and Th17 cells in blood.
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Savarin C, Bergmann CC. Fine Tuning the Cytokine Storm by IFN and IL-10 Following Neurotropic Coronavirus Encephalomyelitis. Front Immunol 2018; 9:3022. [PMID: 30619363 PMCID: PMC6306494 DOI: 10.3389/fimmu.2018.03022] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 12/06/2018] [Indexed: 12/13/2022] Open
Abstract
The central nervous system (CNS) is vulnerable to several viral infections including herpes viruses, arboviruses and HIV to name a few. While a rapid and effective immune response is essential to limit viral spread and mortality, this anti-viral response needs to be tightly regulated in order to limit immune mediated tissue damage. This balance between effective virus control with limited pathology is especially important due to the highly specialized functions and limited regenerative capacity of neurons, which can be targets of direct virus cytolysis or bystander damage. CNS infection with the neurotropic strain of mouse hepatitis virus (MHV) induces an acute encephalomyelitis associated with focal areas of demyelination, which is sustained during viral persistence. Both innate and adaptive immune cells work in coordination to control virus replication. While type I interferons are essential to limit virus spread associated with early mortality, perforin, and interferon-γ promote further virus clearance in astrocytes/microglia and oligodendrocytes, respectively. Effective control of virus replication is nonetheless associated with tissue damage, characterized by demyelinating lesions. Interestingly, the anti-inflammatory cytokine IL-10 limits expansion of tissue lesions during chronic infection without affecting viral persistence. Thus, effective coordination of pro- and anti-inflammatory cytokines is essential during MHV induced encephalomyelitis in order to protect the host against viral infection at a limited cost.
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Affiliation(s)
- Carine Savarin
- Department of Neuroscience, Cleveland Clinic Foundation, Lerner Research Institute, Cleveland, OH, United States
| | - Cornelia C Bergmann
- Department of Neuroscience, Cleveland Clinic Foundation, Lerner Research Institute, Cleveland, OH, United States
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Pranzatelli MR. Advances in Biomarker-Guided Therapy for Pediatric- and Adult-Onset Neuroinflammatory Disorders: Targeting Chemokines/Cytokines. Front Immunol 2018; 9:557. [PMID: 29670611 PMCID: PMC5893838 DOI: 10.3389/fimmu.2018.00557] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/05/2018] [Indexed: 12/26/2022] Open
Abstract
The concept and recognized components of “neuroinflammation” are expanding at the intersection of neurobiology and immunobiology. Chemokines (CKs), no longer merely necessary for immune cell trafficking and positioning, have multiple physiologic, developmental, and modulatory functionalities in the central nervous system (CNS) through neuron–glia interactions and other mechanisms affecting neurotransmission. They issue the “help me” cry of neurons and astrocytes in response to CNS injury, engaging invading lymphoid cells (T cells and B cells) and myeloid cells (dendritic cells, monocytes, and neutrophils) (adaptive immunity), as well as microglia and macrophages (innate immunity), in a cascade of events, some beneficial (reparative), others destructive (excitotoxic). Human cerebrospinal fluid (CSF) studies have been instrumental in revealing soluble immunobiomarkers involved in immune dysregulation, their dichotomous effects, and the cells—often subtype specific—that produce them. CKs/cytokines continue to be attractive targets for the pharmaceutical industry with varying therapeutic success. This review summarizes the developing armamentarium, complexities of not compromising surveillance/physiologic functions, and insights on applicable strategies for neuroinflammatory disorders. The main approach has been using a designer monoclonal antibody to bind directly to the chemo/cytokine. Another approach is soluble receptors to bind the chemo/cytokine molecule (receptor ligand). Recombinant fusion proteins combine a key component of the receptor with IgG1. An additional approach is small molecule antagonists (protein therapeutics, binding proteins, and protein antagonists). CK neutralizing molecules (“neutraligands”) that are not receptor antagonists, high-affinity neuroligands (“decoy molecules”), as well as neutralizing “nanobodies” (single-domain camelid antibody fragment) are being developed. Simultaneous, more precise targeting of more than one cytokine is possible using bispecific agents (fusion antibodies). It is also possible to inhibit part of a signaling cascade to spare protective cytokine effects. “Fusokines” (fusion of two cytokines or a cytokine and CK) allow greater synergistic bioactivity than individual cytokines. Another promising approach is experimental targeting of the NLRP3 inflammasome, amply expressed in the CNS and a key contributor to neuroinflammation. Serendipitous discovery is not to be discounted. Filling in knowledge gaps between pediatric- and adult-onset neuroinflammation by systematic collection of CSF data on CKs/cytokines in temporal and clinical contexts and incorporating immunobiomarkers in clinical trials is a challenge hereby set forth for clinicians and researchers.
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Affiliation(s)
- Michael R Pranzatelli
- National Pediatric Neuroinflammation Organization, Inc., Orlando, FL, United States.,College of Medicine, University of Central Florida, Orlando, FL, United States
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Cerebrospinal fluid chemokine patterns in children with enterovirus 71-related encephalitis. Sci Rep 2018; 8:1658. [PMID: 29374213 PMCID: PMC5786096 DOI: 10.1038/s41598-018-19988-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 01/09/2018] [Indexed: 01/01/2023] Open
Abstract
Enterovirus 71 (EV71) is a major pathogen that causes hand, foot and mouth disease (HFMD) as well as neurological complications, such as encephalitis. The chemokines involved in the migration of leukocytes have increasingly been implicated in infectious diseases of the central nervous system. Few studies have evaluated the levels of chemokines in HMFD children with EV71-related encephalitis. In the present study, we evaluated the cerebrospinal fluid (CSF) levels of the chemokines IL-8, RANTES, MIG, MCP-1 and IP-10 in 99 children with EV71-related encephalitis and 22 children with febrile convulsion (FC). We found that the concentrations of IL-8, RANTES, MIG and IP-10 were significantly higher in HFMD children with encephalitis compared to patients with FC. Additionally, these four chemokines were dramatically reduced during convalescence. Inversely, the level of MCP-1 was lower in encephalitis patients than FC patients and was not significantly reduced during convalescence. Additionally, MIG was strongly correlated with IP-10 in encephalitis patients. Furthermore, the area under the ROC curve (AUC) of CSF MIG and IP-10 in distinguishing encephalitis from FC were 0.869 and 0.876, and the corresponding sensitivities/specificities were 67.7%/100.0% and 67.7%/95.5%, respectively. In conclusion, our results indicate that chemokines play important roles in the pathogenesis of EV71 infection.
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Zhang Z, Wang B, Wu S, Wen Y, Wang X, Song X, Zhang J, Hou L, Chen W. PD169316, a specific p38 inhibitor, shows antiviral activity against Enterovirus71. Virology 2017; 508:150-158. [PMID: 28545002 DOI: 10.1016/j.virol.2017.05.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 05/16/2017] [Accepted: 05/17/2017] [Indexed: 11/15/2022]
Abstract
Enterovirus71 (EV71) is the major causative agent of hand, foot and mouth disease, which threatens the health of infants and young children. The expression of inflammatory cytokines induced by this viral infection aggravate the illness. Here, we describe the anti-EV71 activity of a specific p38 inhibitor that regulates the p38-MAPK signaling pathway. PD169316 was specifically selected from a MAPK compound library due to its significant inhibitory effect on EV71 replication. PD169316 also reduced EV71-induced apoptosis. Animal experiments showed that PD169316 can dampen the replication of EV71, reduce tissue damage and inhibit the release of inflammatory cytokines, thereby alleviating the severe diseases caused by EV71 in suckling mice.
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Affiliation(s)
- Zhe Zhang
- Beijing Institute of Biotechnology, Beijing 100071, China
| | - Busen Wang
- Beijing Institute of Biotechnology, Beijing 100071, China
| | - Shipo Wu
- Beijing Institute of Biotechnology, Beijing 100071, China
| | - Yanbo Wen
- Beijing Institute of Biotechnology, Beijing 100071, China
| | - Xinyi Wang
- Beijing Institute of Biotechnology, Beijing 100071, China
| | - Xiaohong Song
- Beijing Institute of Biotechnology, Beijing 100071, China
| | - Jinlong Zhang
- Beijing Institute of Biotechnology, Beijing 100071, China
| | - Lihua Hou
- Beijing Institute of Biotechnology, Beijing 100071, China.
| | - Wei Chen
- Beijing Institute of Biotechnology, Beijing 100071, China.
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Liao YT, Hsieh MH, Yang YH, Wang YC, Tsai CS, Chen VCH, Gossop M. Association between depression and enterovirus infection: A nationwide population-based cohort study. Medicine (Baltimore) 2017; 96:e5983. [PMID: 28151890 PMCID: PMC5293453 DOI: 10.1097/md.0000000000005983] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Enterovirus (EV) infection is common among children and adolescents. Few studies have investigated the relationship of depression after EV infection. This study explores an association between EV infection and subsequent depression in children and adolescents and assesses the risk of depression after EV infection with central nervous system involvement in a nationwide population-based retrospective cohort.A random sample of 1,000,000 people was derived from Taiwan National Health Insurance Research Database and we identified enrollees less than 18 years with EV infection before 2005 and followed up until December 2009. A total 48,010 cases with EV infection and 48,010 healthy controls matched for sex, age, and residence were obtained. Association between EV infection and depression risk was assessed by Cox proportional hazards models to determine the hazard ratios (HRs) and confidence intervals (CIs). We further stratified EV infection into with central nervous system (CNS) involvement and without and compared with matched cohort.Children and adolescents with EV infection had no elevated risk of depression compared with healthy controls (adjusted HR, aHR = 1.00, 95% CI: 0.83-1.21). However, CNS EV infection was associated with increased risk of depression (aHR = 1.62, 95% CI: 1.02-2.58) in the fully adjusted Cox regression model.To the best of our knowledge, this is the first study investigating depression in children and adolescents with CNS EV infection. The results suggested that children and adolescents with CNS EV infection were a susceptible group for subsequent depressive disorders.
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Affiliation(s)
- Yin-To Liao
- Department of Psychiatry, Chung Shan Medical University Hospital
- Department of Psychiatry, School of Medicine, Chung Shan Medical University
| | - Ming-Hong Hsieh
- Department of Psychiatry, Chung Shan Medical University Hospital
- Department of Psychiatry, School of Medicine, Chung Shan Medical University
| | - Yao-Hsu Yang
- Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University, Taipei
- Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Puzi City, Chiayi
| | | | - Ching-Shu Tsai
- Chang Gung Medical Foundation, Chiayi Chang Gung Memorial Hospital Chiayi
- Chang Gung University, Taoyuan, Taiwan
| | - Vincent Chin-Hung Chen
- Chang Gung Medical Foundation, Chiayi Chang Gung Memorial Hospital Chiayi
- Chang Gung University, Taoyuan, Taiwan
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