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Hu Y, Liu C, Yang J, Zhong M, Qian B, Chen J, Zhang Y, Song J. HMGB1 is involved in viral replication and the inflammatory response in coxsackievirus A16-infected 16HBE cells via proteomic analysis and identification. Virol J 2023; 20:178. [PMID: 37559147 PMCID: PMC10410909 DOI: 10.1186/s12985-023-02150-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 08/02/2023] [Indexed: 08/11/2023] Open
Abstract
Coxsackievirus A16 (CV-A16) is still an important pathogen that causes hand, foot and mouth disease (HFMD) in young children and infants worldwide. Previous studies indicated that CV-A16 infection is usually mild or self-limiting, but it was also found that CV-A16 infection can trigger severe neurological complications and even death. However, there are currently no vaccines or antiviral compounds available to either prevent or treat CV-A16 infection. Therefore, investigation of the virus‒host interaction and identification of host proteins that play a crucial regulatory role in the pathogenesis of CV-A16 infection may provide a novel strategy to develop antiviral drugs. Here, to increase our understanding of the interaction of CV-A16 with the host cell, we analyzed changes in the proteome of 16HBE cells in response to CV-A16 using tandem mass tag (TMT) in combination with LC‒MS/MS. There were 6615 proteins quantified, and 172 proteins showed a significant alteration during CV-A16 infection. These differentially regulated proteins were involved in fundamental biological processes and signaling pathways, including metabolic processes, cytokine‒cytokine receptor interactions, B-cell receptor signaling pathways, and neuroactive ligand‒receptor interactions. Further bioinformatics analysis revealed the characteristics of the protein domains and subcellular localization of these differentially expressed proteins. Then, to validate the proteomics data, 3 randomly selected proteins exhibited consistent changes in protein expression with the TMT results using Western blotting and immunofluorescence methods. Finally, among these differentially regulated proteins, we primarily focused on HMGB1 based on its potential effects on viral replication and virus infection-induced inflammatory responses. It was demonstrated that overexpression of HMGB1 could decrease viral replication and upregulate the release of inflammatory cytokines, but deletion of HMGB1 increased viral replication and downregulated the release of inflammatory cytokines. In conclusion, the results from this study have helped further elucidate the potential molecular pathogenesis of CV-A16 based on numerous protein changes and the functions of HMGB1 Found to be involved in the processes of viral replication and inflammatory response, which may facilitate the development of new antiviral therapies as well as innovative diagnostic methods.
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Affiliation(s)
- Yajie Hu
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Chen Liu
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Jinghui Yang
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
- Department of Pediatrics, The First People's Hospital of Yunnan Province, Kunming, China
| | - Mingmei Zhong
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Baojiang Qian
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Juan Chen
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yunhui Zhang
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Yunnan Province, Kunming, China.
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China.
| | - Jie Song
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China.
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Fiestas Solórzano VE, de Lima RC, de Azeredo EL. The Role of Growth Factors in the Pathogenesis of Dengue: A Scoping Review. Pathogens 2022; 11:pathogens11101179. [PMID: 36297236 PMCID: PMC9608673 DOI: 10.3390/pathogens11101179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/30/2022] [Accepted: 10/06/2022] [Indexed: 12/07/2022] Open
Abstract
Growth factors (GFs) have a role in tissue repair and in the modulation of the expression of inflammatory cells in damage caused by pathogens. This study aims to systematize the evidence on the role of GFs in the pathogenesis of dengue. This scoping review considered all published peer-reviewed studies in the MEDLINE and Embase databases. Ultimately, 58 studies that analyzed GFs in dengue patients, published between 1998 and 2021, were included. DENV-2 infection and secondary infection were more frequent in the patients studied. ELISA and multiplex immunoassay (Luminex) were the most used measurement techniques. Increased levels of vascular endothelial growth factor, granulocyte–macrophage colony-stimulating factor, granulocyte colony-stimulating factor, transforming growth factor beta, and hepatocyte growth factor as well as reduced levels of platelet-derived growth factor and epidermal growth factor were observed in severe dengue in most studies. Vascular endothelial growth factor and hepatocyte growth factor were identified as biomarkers of severity. In addition, there is evidence that the dengue virus can use the growth factor pathway to facilitate its entry into the cell and promote its viral replication. The use of tyrosine kinase inhibitors is an alternative treatment for dengue that is being studied.
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A Journey to the Central Nervous System: Routes of Flaviviral Neuroinvasion in Human Disease. Viruses 2022; 14:v14102096. [PMID: 36298652 PMCID: PMC9611789 DOI: 10.3390/v14102096] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 11/17/2022] Open
Abstract
Many arboviruses, including viruses of the Flavivirus genera, are known to cause severe neurological disease in humans, often with long-lasting, debilitating sequalae in surviving patients. These emerging pathogens impact millions of people worldwide, yet still relatively little is known about the exact mechanisms by which they gain access to the human central nervous system. This review focusses on potential haematogenous and transneural routes of neuroinvasion employed by flaviviruses and identifies numerous gaps in knowledge, especially regarding lesser-studied interfaces of possible invasion such as the blood–cerebrospinal fluid barrier, and novel routes such as the gut–brain axis. The complex balance of pro-inflammatory and antiviral immune responses to viral neuroinvasion and pathology is also discussed, especially in the context of the hypothesised Trojan horse mechanism of neuroinvasion. A greater understanding of the routes and mechanisms of arboviral neuroinvasion, and how they differ between viruses, will aid in predictive assessments of the neuroinvasive potential of new and emerging arboviruses, and may provide opportunity for attenuation, development of novel intervention strategies and rational vaccine design for highly neurovirulent arboviruses.
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Immunomodulatory Potential of Non-Classical HLA-G in Infections including COVID-19 and Parasitic Diseases. Biomolecules 2022; 12:biom12020257. [PMID: 35204759 PMCID: PMC8961671 DOI: 10.3390/biom12020257] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/23/2022] [Accepted: 01/31/2022] [Indexed: 02/04/2023] Open
Abstract
Human Leukocyte Antigen-G (HLA-G), a polymorphic non-classical HLA (HLA-Ib) with immune-regulatory properties in cancers and infectious diseases, presents both membrane-bound and soluble (sHLA-G) isoforms. Polymorphism has implications in host responses to pathogen infections and in pathogenesis. Differential expression patterns of HLA-G/sHLA-G or its polymorphism seem to be related to different pathological conditions, potentially acting as a disease progression biomarker. Pathogen antigens might be involved in the regulation of both membrane-bound and sHLA-G levels and impact immune responses during co-infections. The upregulation of HLA-G in viral and bacterial infections induce tolerance to infection. Recently, sHLA-G was found useful to identify the prognosis of Coronavirus disease 2019 (COVID-19) among patients and it was observed that the high levels of sHLA-G are associated with worse prognosis. The use of pathogens, such as Plasmodium falciparum, as immune modulators for other infections could be extended for the modulation of membrane-bound HLA-G in COVID-19-infected tissues. Overall, such information might open new avenues concerning the effect of some pathogens such as parasites in decreasing the expression level of HLA-G to restrict pathogenesis in some infections or to influence the immune responses after vaccination among others.
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Puccioni-Sohler M, da Silva SJ, Faria LCS, Cabral DCBI, Cabral-Castro MJ. Neopterin and CXCL-10 in Cerebrospinal Fluid as Potential Biomarkers of Neuroinvasive Dengue and Chikungunya. Pathogens 2021; 10:pathogens10121626. [PMID: 34959581 PMCID: PMC8706264 DOI: 10.3390/pathogens10121626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/29/2021] [Accepted: 12/10/2021] [Indexed: 11/20/2022] Open
Abstract
Dengue (DENV) and chikungunya viruses (CHIKV) cause severe neurological complications, sometimes undiagnosed. Therefore, the use of more accessible neuroinflammatory biomarkers can be advantageous considering their diagnostic and prognostic potential for aggravated clinical outcomes. In this study, we aimed to evaluate neopterin and C-X-C motif chemokine ligand 10 (CXCL-10) in cerebrospinal fluid (CSF) for the diagnosis of neuroinvasive DENV and CHIKV. We analyzed the CSF of 66 patients with neurological disorders, comprising 12 neuroinvasive DENV/CHIKV, 20 inflammatory control (viral, bacterial, and fungal meningitis, and autoimmune disorders), and 24 noninflammatory control (cerebrovascular disease, dementia, neoplasm). There was no difference between the concentration of CSF neopterin in the neuroinvasive DENV/CHIKV and control groups. However, there was a significant difference in the CXCL-10 level when comparing the neuroinvasive DENV/CHIKV group and the non-inflammatory control (p < 0.05). Furthermore, we found a linear correlation between neopterin and CXCL-10 CSF levels in the three groups. For the DENV/CHIKV neuroinvasive diagnosis, the ROC curve showed the best cut-off values for CSF neopterin at 11.23 nmol/L (sensitivity of 67% and specificity of 63%), and for CSF CXCL-10 at 156.5 pg/mL (91.7% sensitivity and specificity). These results show that CXCL-10 in CSF represents an accurate neuroinflammatory biomarker that may contribute to neuroinvasive DENV/CHIKV diagnosis.
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Affiliation(s)
- Marzia Puccioni-Sohler
- Post-Graduation Programme in Infectious and Parasitic Diseases, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil;
- Cerebrospinal Fluid Laboratory, Clementino Fraga Filho University Hospital, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil; (L.C.S.F.); (M.J.C.-C.)
- School of Medicine and Surgery, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro 20271-062, Brazil
- Correspondence:
| | - Samya J. da Silva
- Post-Graduation Programme in Infectious and Parasitic Diseases, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil;
| | - Luiz C. S. Faria
- Cerebrospinal Fluid Laboratory, Clementino Fraga Filho University Hospital, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil; (L.C.S.F.); (M.J.C.-C.)
| | - David C. B. I. Cabral
- Faculty of Medicine, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21942-959, Brazil;
| | - Mauro J. Cabral-Castro
- Cerebrospinal Fluid Laboratory, Clementino Fraga Filho University Hospital, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil; (L.C.S.F.); (M.J.C.-C.)
- Paulo de Góes Institute of Microbiology, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
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Araújo NM, Ferreira LC, Dantas DP, Silva DS, Dos Santos CA, Cipolotti R, Martins-Filho PR. First Report of SARS-CoV-2 Detection in Cerebrospinal Fluid in a Child With Guillain-Barré Syndrome. Pediatr Infect Dis J 2021; 40:e274-e276. [PMID: 33990525 DOI: 10.1097/inf.0000000000003146] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Underlying mechanisms on the association between severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and neurologic complications are still poorly understood. Cases of Guillain-Barré Syndrome (GBS) have been linked to the SARS-CoV-2 infection as the result of dysregulated immune response with damage in neuronal tissues. In the current report, we present the first pediatric case of GBS with detection of SARS-CoV-2 in the cerebrospinal fluid (CFS). This unique case of COVID-19-associated GBS with detection of SARS-CoV-2 RNA in the CSF indicates direct viral involvement inducing peripheral nerve inflammation.
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Affiliation(s)
- Naiana Mota Araújo
- From the Medical Residence Program, Fundação de Beneficência Hospital de Cirurgia
| | - Lis Campos Ferreira
- Neuroimmunology Clinic, Federal University of Sergipe
- Department of Medicine, Tiradentes University, Aracaju
- Health Sciences Graduate Program, Federal University of Sergipe
| | | | | | - Cliomar Alves Dos Santos
- Health Foundation Parreiras Horta, Central Laboratory of Public Health (LACEN/SE), Sergipe State Health Secretariat
| | | | - Paulo Ricardo Martins-Filho
- Health Sciences Graduate Program, Federal University of Sergipe
- Investigative Pathology Laboratory, Federal University of Sergipe, Aracaju, Sergipe, Brazil
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