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Ambikan AT, Elaldi N, Svensson-Akusjärvi S, Bagci B, Pektas AN, Hewson R, Bagci G, Arasli M, Appelberg S, Mardinoglu A, Sood V, Végvári Á, Benfeitas R, Gupta S, Cetin I, Mirazimi A, Neogi U. Systems-level temporal immune-metabolic profile in Crimean-Congo hemorrhagic fever virus infection. Proc Natl Acad Sci U S A 2023; 120:e2304722120. [PMID: 37669378 PMCID: PMC10500270 DOI: 10.1073/pnas.2304722120] [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: 03/22/2023] [Accepted: 07/21/2023] [Indexed: 09/07/2023] Open
Abstract
Crimean-Congo hemorrhagic fever (CCHF) caused by CCHF virus (CCHFV) is one of the epidemic-prone diseases prioritized by the World Health Organisation as public health emergency with an urgent need for accelerated research. The trajectory of host response against CCHFV is multifarious and remains unknown. Here, we reported the temporal spectrum of pathogenesis following the CCHFV infection using genome-wide blood transcriptomics analysis followed by advanced systems biology analysis, temporal immune-pathogenic alterations, and context-specific progressive and postinfection genome-scale metabolic models (GSMM) on samples collected during the acute (T0), early convalescent (T1), and convalescent-phase (T2). The interplay between the retinoic acid-inducible gene-I-like/nucleotide-binding oligomerization domain-like receptor and tumor necrosis factor signaling governed the trajectory of antiviral immune responses. The rearrangement of intracellular metabolic fluxes toward the amino acid metabolism and metabolic shift toward oxidative phosphorylation and fatty acid oxidation during acute CCHFV infection determine the pathogenicity. The upregulation of the tricarboxylic acid cycle during CCHFV infection, compared to the noninfected healthy control and between the severity groups, indicated an increased energy demand and cellular stress. The upregulation of glycolysis and pyruvate metabolism potentiated energy generation through alternative pathways associated with the severity of the infection. The downregulation of metabolic processes at the convalescent phase identified by blood cell transcriptomics and single-cell type proteomics of five immune cells (CD4+ and CD8+ T cells, CD14+ monocytes, B cells, and NK cells) potentially leads to metabolic rewiring through the recovery due to hyperactivity during the acute phase leading to post-viral fatigue syndrome.
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Affiliation(s)
- Anoop T. Ambikan
- The Systems Virology Lab, Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, ANA Futura, Stockholm-14152, Sweden
| | - Nazif Elaldi
- Department of Infectious Diseases and Clinical Microbiology, Medical Faculty, Sivas Cumhuriyet University, Sivas58140, Turkey
| | - Sara Svensson-Akusjärvi
- The Systems Virology Lab, Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, ANA Futura, Stockholm-14152, Sweden
| | - Binnur Bagci
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Sivas Cumhuriyet University, Sivas, Turkey
| | - Ayse Nur Pektas
- Cumhuriyet University Advanced Technology Application and Research Center, Sivas Cumhuriyet University, Sivas58140, Turkey
| | - Roger Hewson
- United Kingdom Health Security Agency, Porton Down, Salisbury, WiltshireSP4 0JG, United Kingdom
- Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, LondonWC1E 7HT, United Kingdom
| | - Gokhan Bagci
- Department of Biochemistry, Faculty of Medicine, Altinbas University, Istanbul34147, Turkey
| | - Mehmet Arasli
- Department of Immunology, Medical Faculty, Bulent Ecevit University, Zonguldak67600, Turkey
| | - Sofia Appelberg
- Public Health Agency of Sweden, Solna, Stockholm-17165, Sweden
| | - Adil Mardinoglu
- Science for Life Laboratory, Kungliga Tekniska Högskolan–Royal Institute of Technology, Stockholm-17121, Sweden
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King’s College London, LondonWC2R 2LS, United Kingdom
| | - Vikas Sood
- The Systems Virology Lab, Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, ANA Futura, Stockholm-14152, Sweden
- Department of Biochemistry, School of Chemical and Life Sciences, Jamia Hamdard University, Delhi110062, India
| | - Ákos Végvári
- Division of Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm-17177, Sweden
| | - Rui Benfeitas
- The Systems Virology Lab, Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, ANA Futura, Stockholm-14152, Sweden
| | - Soham Gupta
- The Systems Virology Lab, Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, ANA Futura, Stockholm-14152, Sweden
| | - Ilhan Cetin
- Department of Public Health, Medical Faculty, Sivas Cumhuriyet University, Sivas 58140, Turkey
| | - Ali Mirazimi
- Public Health Agency of Sweden, Solna, Stockholm-17165, Sweden
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, Stockholm-14152, Sweden
- National Veterinary Institute, Uppsala-75189, Sweden
| | - Ujjwal Neogi
- The Systems Virology Lab, Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, ANA Futura, Stockholm-14152, Sweden
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Structural characterization of protective non-neutralizing antibodies targeting Crimean-Congo hemorrhagic fever virus. Nat Commun 2022; 13:7298. [PMID: 36435827 PMCID: PMC9701186 DOI: 10.1038/s41467-022-34923-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 11/10/2022] [Indexed: 11/28/2022] Open
Abstract
Crimean-Congo Hemorrhagic Fever Virus (CCHFV) causes a life-threatening disease with up to a 40% mortality rate. With no approved medical countermeasures, CCHFV is considered a public health priority agent. The non-neutralizing mouse monoclonal antibody (mAb) 13G8 targets CCHFV glycoprotein GP38 and protects mice from lethal CCHFV challenge when administered prophylactically or therapeutically. Here, we reveal the structures of GP38 bound with a human chimeric 13G8 mAb and a newly isolated CC5-17 mAb from a human survivor. These mAbs bind overlapping epitopes with a shifted angle. The broad-spectrum potential of c13G8 and CC5-17 and the practicality of using them against Aigai virus, a closely related nairovirus were examined. Binding studies demonstrate that the presence of non-conserved amino acids in Aigai virus corresponding region prevent CCHFV mAbs from binding Aigai virus GP38. This information, coupled with in vivo efficacy, paves the way for future mAb therapeutics effective against a wide swath of CCHFV strains.
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Recent advances in treatment Crimean-Congo hemorrhagic fever virus: A concise overview. Microb Pathog 2022; 169:105657. [PMID: 35753597 DOI: 10.1016/j.micpath.2022.105657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 05/19/2022] [Accepted: 06/22/2022] [Indexed: 11/22/2022]
Abstract
The Crimean Congo Hemorrhagic Fever Virus (CCHFV) is widespread in Africa, Asia, and Europe, among other places. The disease was initially discovered in the Crimean cities of the Soviet Union and the Congo, and it was given the name Crimean Congo because it induces hemorrhagic fever. According to studies, when the virus enters the body, it settles in immune cells such as macrophages and dendritic cells, causing them to malfunction and secrete inflammatory cytokines such as TNF-alpha, IL1, and IL6, resulting in cytokine storms that induces shock via endothelial activation and vascular leakage, while on the other hand, clots and disseminated intravascular coagulation (DIC) formation causes massive defects in various organs such as the liver and kidneys, as well as fatal bleeding. Disease prevention and treatment are crucial since no other effective vaccination against the disease has yet been developed. Immunotherapy is utilized as a consequence. One of the most effective treatments, when combined with compensatory therapies such as blood and platelet replacement, water, electrolytes, Fresh Frozen Plasma (FFP) replacement, and other compensatory therapies, is one of the most effective treatments. Studies; show that immunotherapy using IVIG and neutralizing and non-neutralizing monoclonal antibodies; cytokine therapy, and anti-inflammatory therapy using corticosteroids are effective ways to treat the disease.
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