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Gautam N, Shrestha N, Bhandari S, Thapaliya S. Severe dengue infection unmasking drug-induced liver injury: Successful management with N-acetylcysteine. Clin Case Rep 2024; 12:e8578. [PMID: 38469128 PMCID: PMC10925800 DOI: 10.1002/ccr3.8578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 03/13/2024] Open
Abstract
Key Clinical Message Clinicians in tuberculosis and dengue endemic regions should have heightened vigilance for drug-induced liver injury (DILI) overlapping with active infections, enabling prompt recognition and life-saving conservative management. Abstract Severe dengue and drug-induced liver injury (DILI) are significant independent risk factors for acute liver failure. The co-occurrence of these conditions significantly complicates clinical management. Here, we describe the case of a 21-year-old Nepali female who developed acute liver failure during antitubercular therapy (ATT). The patient, presenting with fever and nausea after 3 weeks of ATT, subsequently received a diagnosis of severe dengue. Laboratory evidence indicated markedly elevated transaminases (AST 4335 U/L, ALT 1958 U/L), total bilirubin (72 μmol/L), and INR (>5). Prompt discontinuation of first-line ATT, initiation of a modified ATT regimen, and N-acetylcysteine (NAC) infusion facilitated the patient's recovery after a week of intensive care. This case underscores the potential for synergistic hepatotoxicity in regions where multiple endemic illnesses coincide. Early recognition of DILI, cessation of offending agents, and comprehensive intensive care are crucial interventions. While the definitive efficacy of NAC remains under investigation, its timely administration in these complex cases warrants exploration for its potential lifesaving benefits.
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Affiliation(s)
| | | | - Sanjeev Bhandari
- Department of Internal MedicineTribhuvan University Teaching HospitalKathmanduNepal
| | - Sabin Thapaliya
- Department of Internal MedicineTribhuvan University Teaching HospitalKathmanduNepal
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Lai JH, Wu DW, Wu CH, Hung LF, Huang CY, Ka SM, Chen A, Ho LJ. USP18 enhances dengue virus replication by regulating mitochondrial DNA release. Sci Rep 2023; 13:20126. [PMID: 37978268 PMCID: PMC10656416 DOI: 10.1038/s41598-023-47584-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 11/14/2023] [Indexed: 11/19/2023] Open
Abstract
Dengue virus (DENV) infection remains a challenging health threat worldwide. Ubiquitin-specific protease 18 (USP18), which preserves the anti-interferon (IFN) effect, is an ideal target through which DENV mediates its own immune evasion. However, much of the function and mechanism of USP18 in regulating DENV replication remains incompletely understood. In addition, whether USP18 regulates DENV replication merely by causing IFN hyporesponsiveness is not clear. In the present study, by using several different approaches to block IFN signaling, including IFN neutralizing antibodies (Abs), anti-IFN receptor Abs, Janus kinase inhibitors and IFN alpha and beta receptor subunit 1 (IFNAR1)knockout cells, we showed that USP18 may regulate DENV replication in IFN-associated and IFN-unassociated manners. Localized in mitochondria, USP18 regulated the release of mitochondrial DNA (mtDNA) to the cytosol to affect viral replication, and mechanisms such as mitochondrial reactive oxygen species (mtROS) production, changes in mitochondrial membrane potential, mobilization of calcium into mitochondria, 8-oxoguanine DNA glycosylase 1 (OGG1) expression, oxidation and fragmentation of mtDNA, and opening of the mitochondrial permeability transition pore (mPTP) were involved in USP18-regulated mtDNA release to the cytosol. We therefore identify mitochondrial machineries that are regulated by USP18 to affect DENV replication and its association with IFN effects.
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Affiliation(s)
- Jenn-Haung Lai
- Department of Rheumatology, Allergy and Immunology, Department of Internal Medicine, Chang Gung Memorial Hospital, Lin-Kou, Tao-Yuan, Taiwan, ROC.
| | - De-Wei Wu
- Department of Rheumatology, Allergy and Immunology, Department of Internal Medicine, Chang Gung Memorial Hospital, Lin-Kou, Tao-Yuan, Taiwan, ROC
| | - Chien-Hsiang Wu
- Department of Rheumatology, Allergy and Immunology, Department of Internal Medicine, Chang Gung Memorial Hospital, Lin-Kou, Tao-Yuan, Taiwan, ROC
| | - Li-Feng Hung
- Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, Taiwan, ROC
| | - Chuan-Yueh Huang
- Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, Taiwan, ROC
| | - Shuk-Man Ka
- Graduate Institute of Aerospace and Undersea Medicine, Department of Medicine, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Ann Chen
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Ling-Jun Ho
- Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, Taiwan, ROC.
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Hashmi MF, Khan F, Matevosyan G, Asoyan V, Hovhannisyan A. Uncovering the Hidden Threat: A Case Report of Suspected Dengue Fever in Armenia. Cureus 2023; 15:e40722. [PMID: 37485179 PMCID: PMC10360365 DOI: 10.7759/cureus.40722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2023] [Indexed: 07/25/2023] Open
Abstract
Dengue is a viral infection transmitted by mosquitoes that causes fever, headache, joint pain, nausea, vomiting, and pain behind the eyes. In severe cases, it can progress to dengue hemorrhagic fever and dengue shock syndrome, which can be life-threatening. Armenia has not reported a single case of dengue to date and is non-endemic for this disease. However, it has been found that the vector of the disease, Aedes albopictus, is present in Armenia since 2016. The aim of this report is to present the imported case of suspected dengue hemorrhagic fever. A 23-year-old female who was admitted to the University Hospital experienced symptoms of general weakness, fever, joint pain, and chills after her return from Bali and had a three-day febrile period. A thorough examination revealed mosquito bites on her skin. On the fourth day of hospitalization, the patient's condition deteriorated. She started experiencing vaginal bleeding. On the same day, the patient noted a small petechiae rash sized 1-2 mm in diameter in the upper and lower extremities. The patient deteriorated, with progressive leukopenia and thrombocytopenia, and hypertransaminasemia. Screening tests for HIV and hepatitis A, B, C, and E were performed, and the results showed that the anti-hepatitis C antibody was positive, while the hepatitis C virus polymerase chain reaction was negative. The case was reported to the National Center for Disease Control and Prevention as an imported case of hemorrhagic fever. Unfortunately, no lab test was available there for confirmation of the diagnosis. The patient received IV infusion and symptomatic treatment. Her condition improved, and upon discharge, she was in a state of recovery. This case report highlights the importance of early diagnosis and appropriate treatment for hemorrhagic fevers, particularly dengue fever. The unavailability of diagnostic kits for dengue in Armenia highlights the need to invest in improving their availability. It also emphasizes the importance of maintaining dengue surveillance in non-endemic nations and carefully evaluating and monitoring febrile patients who have returned from dengue-endemic countries.
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Affiliation(s)
- Md Foorquan Hashmi
- Department of General Medicine, Yerevan State Medical University, Yerevan, ARM
| | - Fiza Khan
- Department of General Medicine, Yerevan State Medical University, Yerevan, ARM
| | - Gohar Matevosyan
- Department of Infectious Diseases, Yerevan State Medical University, Yerevan, ARM
| | - Vigen Asoyan
- Department of Infectious Diseases, Yerevan State Medical University, Yerevan, ARM
| | - Alvard Hovhannisyan
- Department of Infectious Diseases, Yerevan State Medical University, Yerevan, ARM
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Kaagaard MD, Matos LO, Evangelista MVP, Wegener A, Holm AE, Vestergaard LS, Do Valle SCN, Silvestre OM, Lacerda MVG, de Souza RM, Barreto Dos Santos F, Biering-Sørensen T, Brainin P. Frequency of pleural effusion in dengue patients by severity, age and imaging modality: a systematic review and meta-analysis. BMC Infect Dis 2023; 23:327. [PMID: 37189054 PMCID: PMC10184094 DOI: 10.1186/s12879-023-08311-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/06/2023] [Indexed: 05/17/2023] Open
Abstract
BACKGROUND Identification of pleural effusion (PE) in dengue infection is an objective measure of plasma leakage and may predict disease progression. However, no studies have systematically assessed the frequency of PE in patients with dengue, and whether this differs across age and imaging modality. METHODS We searched Pubmed, Embase Web of Science and Lilacs (period 1900-2021) for studies reporting on PE in dengue patients (hospitalized and outpatient). We defined PE as fluid in the thoracic cavity detected by any imaging test. The study was registered in PROSPERO (CRD42021228862). Complicated dengue was defined as hemorrhagic fever, dengue shock syndrome or severe dengue. RESULTS The search identified 2,157 studies of which 85 studies were eligible for inclusion. The studies (n = 31 children, n = 10 adults, n = 44 mixed age) involved 12,800 patients (30% complicated dengue). The overall frequency of PE was 33% [95%CI: 29 to 37%] and the rate of PE increased significantly with disease severity (P = 0.001) such that in complicated vs. uncomplicated dengue the frequencies were 48% and 17% (P < 0.001). When assessing all studies, PE occurred significantly more often in children compared to adults (43% vs. 13%, P = 0.002) and lung ultrasound more frequently detected PE than conventional chest X-ray (P = 0.023). CONCLUSIONS We found that 1/3 of dengue patients presented with PE and the frequency increased with severity and younger age. Importantly, lung ultrasound demonstrated the highest rate of detection. Our findings suggest that PE is a relatively common finding in dengue and that bedside imaging tools, such as lung ultrasound, potentially may enhance detection.
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Affiliation(s)
- Molly D Kaagaard
- Multidisciplinary Center, Federal University of Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil.
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev-Gentofte University Hospital, Hellerup, Denmark.
| | - Luan Oliveira Matos
- Multidisciplinary Center, Federal University of Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
| | - Marliton V P Evangelista
- Multidisciplinary Center, Federal University of Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
| | - Alma Wegener
- Multidisciplinary Center, Federal University of Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev-Gentofte University Hospital, Hellerup, Denmark
| | - Anna Engell Holm
- Multidisciplinary Center, Federal University of Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev-Gentofte University Hospital, Hellerup, Denmark
| | - Lasse S Vestergaard
- Department of Bacteria, Parasites and Fungi, National Malaria Reference Laboratory, Statens Serum Institut, Copenhagen, Denmark
| | - Suiane C N Do Valle
- Multidisciplinary Center, Federal University of Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
| | - Odilson M Silvestre
- Health and Sport Science Center, Federal University of Acre, Rio Branco, Acre, Brazil
| | | | - Rodrigo Medeiros de Souza
- Multidisciplinary Center, Federal University of Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
| | | | - Tor Biering-Sørensen
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev-Gentofte University Hospital, Hellerup, Denmark
- Faculty of Biomedical Sciences, Copenhagen University, Copenhagen, Denmark
| | - Philip Brainin
- Multidisciplinary Center, Federal University of Acre, Campus Floresta, Cruzeiro do Sul, Acre, Brazil
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev-Gentofte University Hospital, Hellerup, Denmark
- Sound Bioventures, Hellerup, Denmark
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Brunetti JE, Kitsera M, Muñoz-Fontela C, Rodríguez E. Use of Hu-PBL Mice to Study Pathogenesis of Human-Restricted Viruses. Viruses 2023; 15:228. [PMID: 36680271 PMCID: PMC9866769 DOI: 10.3390/v15010228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/07/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023] Open
Abstract
Different humanized mouse models have been developed to study human diseases such as autoimmune illnesses, cancer and viral infections. These models are based on the use of immunodeficient mouse strains that are transplanted with human tissues or human immune cells. Among the latter, mice transplanted with hematopoietic stem cells have been widely used to study human infectious diseases. However, mouse models built upon the transplantation of donor-specific mature immune cells are still under development, especially in the field of viral infections. These models can retain the unique immune memory of the donor, making them suitable for the study of correlates of protection upon natural infection or vaccination. Here, we will review some of these models and how they have been applied to virology research. Moreover, the future applications and the potential of these models to design therapies against human viral infections are discussed.
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Affiliation(s)
| | - Maksym Kitsera
- Bernhard-Nocht Institute for Tropical Medicine, 20359 Hamburg, Germany
| | - César Muñoz-Fontela
- Bernhard-Nocht Institute for Tropical Medicine, 20359 Hamburg, Germany
- German Center for Infection Research, Partner Site Hamburg-Borstel-Lübeck, 38124 Braunschweig, Germany
| | - Estefanía Rodríguez
- Bernhard-Nocht Institute for Tropical Medicine, 20359 Hamburg, Germany
- German Center for Infection Research, Partner Site Hamburg-Borstel-Lübeck, 38124 Braunschweig, Germany
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Liu X, Zhang A, Dong N, Wang Z, Chang X. Expression of TLR4 Is Upregulated in Patients with Sporadic Acute Stanford Type A Aortic Dissection. Cardiol Res Pract 2022; 2022:1-11. [DOI: 10.1155/2022/3806462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 08/31/2022] [Indexed: 11/17/2022] Open
Abstract
Sporadic acute Stanford type A aortic dissection (TAAD) is a serious condition that requires urgent treatment to avoid catastrophic consequences. The purpose of the present study was to explore, firstly, whether TLR4-regulated immune signalling molecules were activated in TAAD patients and, secondly, whether TLR4-regulated inflammatory products interleukin-1β (IL-1β) and CC chemokine ligand 5 (CCL5) could be a promising biomarker for diagnosis in patients with TAAD. Full-thickness ascending aortic wall specimens from TAAD patients (n = 12) and control donors (n = 12) were examined for the expression of TLR4 and its major signalling molecules, in terms of immunity and inflammation. Blood samples from TAAD (n = 49) and control patients (n = 53) were collected to detect the circulating plasma cytokine levels of IL-1β and CCL5. We demonstrated that expression levels of TLR4 and its downstream signalling cascade molecules were significantly elevated. Furthermore, receiver operating characteristic curve analyses showed that elevated IL-1β levels and decreased plasma CCL5 may have diagnostic value for TAAD. In summary, this current study suggests a more generalized pattern of inflammation in TAAD. In addition, TLR4-mediated inflammatory product, such as IL-1β and CCL5, could be novel and promising biomarkers with important diagnostic and predictive value in the identification of sporadic TAAD diseases.
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