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Tkachenko E, Balkina A, Trankvilevsky D, Kolyasnikova N, Teodorovich R, Vorovich M, Popova Y, Kurashova S, Egorova M, Belyakova A, Tkachenko P, Ishmukhametov A, Dzagurova T. The Specificity of Epizootic and Epidemiological Processes in Natural Foci of Hemorrhagic Fever with Renal Syndrome and Tick-Borne Encephalitis in Russia, as the Basis for the Prospects of Creating a Combined Vaccine for the Prevention of These Infections. Viruses 2024; 16:1292. [PMID: 39205266 PMCID: PMC11359185 DOI: 10.3390/v16081292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2024] [Revised: 08/08/2024] [Accepted: 08/10/2024] [Indexed: 09/04/2024] Open
Abstract
Hemorrhagic fever with renal syndrome (HFRS) and tick-borne encephalitis (TBE) are the most common viral diseases in Russia. HFRS is caused by six different types of hantaviruses: Hantaan, Amur, Seoul, Puumala, Kurkino, and Sochi, which are transmitted to humans through small mammals of the Muridae and Cricetidae families. TBE is caused by viruses belonging to five different phylogenetic subtypes. The similarities in the ecology of HFRS and TBE pathogens is presented here. Hantavirus-infected small mammals can transmit the virus to uninfected animals, and ticks can also transmit hantavirus to other ticks and mammals. Hantavirus transmission from ticks to humans is possible only hypothetically based on indirect data. Over the past 23 years, 164,582 cases of HFRS (4.9 per 105 people) and 71,579 cases of TBE (2.5 per 105 people) were registered in Russia. The mortality rate was 0.4% (668 cases) in HFRS and 1.6% deaths (1136 cases) in TBE. There were 4030 HFRS (2.5%) and 9414 TBE (13%) cases in children under 14 years old. HFRS and TBE cases were registered in 42 out of 85 Russian regions; in 18-only HFRS, in 13-only TBE, and 12 had no reported cases. The prospects of applying a combined vaccine for HFRS and TBE prevention are shown in this paper.
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Affiliation(s)
- Evgeniy Tkachenko
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
| | - Alexandra Balkina
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
| | | | - Nadezda Kolyasnikova
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
| | - Rostislav Teodorovich
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
| | - Mikhail Vorovich
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
- Department of Internal Disease Propaedeutics, Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Yulia Popova
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
| | - Svetlana Kurashova
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
| | - Maria Egorova
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
| | - Alla Belyakova
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
| | - Petr Tkachenko
- Department of Internal Disease Propaedeutics, Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Aydar Ishmukhametov
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
- Department of Internal Disease Propaedeutics, Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Tamara Dzagurova
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia (N.K.)
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Tomljenovic M, Lakoseljac D, Knezevic L, Batista M, Vilibic-Cavlek T, Kaic B, Hansen L, Rode OĐ. Spread of Puumala Hantavirus to New Areas in a Large Croatian Outbreak of Hemorrhagic Fever with Renal Syndrome, 2021. Vector Borne Zoonotic Dis 2024. [PMID: 38989602 DOI: 10.1089/vbz.2024.0032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2024] Open
Abstract
Background: The largest documented outbreak of hemorrhagic fever with renal syndrome occurred in Primorje-Gorski Kotar County, Croatia, in 2021, marking the first-time cases of hantavirus infection recorded outside of the known endemic region in the north of the county. Aim: To identify the factors contributing to the spread of the outbreak and to compare risk factors for acquiring hantavirus infection in the endemic and newly affected regions. Methods and Results: A total of 189 cases were confirmed by positive Puumala IgM/IgG antibodies (93.6%), and 13 probable cases were identified by clinical and epidemiological data (6.4%) using a structured questionnaire. Of the 179 cases with available clinical data, 59 (33.0%) were hospitalized. Three cases received hemodialysis, and no deaths were reported. Among 170 cases with information on exposures, 66 (38.8%) reported occupational risk. Cases in the northern part of county were more likely to have been infected in early spring (OR 27.1, 95% CI 2.93-250.7), to report seeing a rodent (OR 6.5; 95%CI 2.3-18.4), and to know someone with hemorrhagic fever with renal syndrome (HFRS) (OR 3.0; 95%CI 1.2-8.0) than cases from the southern part of the county. Data from Croatian Forests Ltd. suggested that an unusually good production of beech seeds in 2020 may have contributed to an increased rodent population in 2021. However, average temperature, rainfall, and humidity data from 2021 did not illustrate a significant difference from previous years (Kruskal-Wallis p = 0.837, p = 0.999, p = 0.108). Conclusion: The 2021 HFRS outbreak was likely fueled by an abundant rodent population and virus transmission in rodent hosts. Human activity, environmental factors, and the ensuing animal-human interactions have spread hantavirus infection from Croatia's mountainous region to a previously nonendemic coastal area with a Mediterranean climate.
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Affiliation(s)
- Morana Tomljenovic
- Department of Social Medicine and Epidemiology, Faculty of Medicine University of Rijeka, Rijeka, Croatia, Faculty of Medicine, Rijeka, Croatia
- Department of Epidemiology, Teaching Institute of Public Health of the Primorje-Gorski Kotar County, Rijeka, Croatia
| | - Danijela Lakoseljac
- Department of Epidemiology, Teaching Institute of Public Health of the Primorje-Gorski Kotar County, Rijeka, Croatia
- Department of Public Health, Faculty of Health Studies, University of Rijeka, Rijeka, Croatia
| | - Lucija Knezevic
- Department of Epidemiology, Teaching Institute of Public Health of the Primorje-Gorski Kotar County, Rijeka, Croatia
| | - Marko Batista
- Department of Epidemiology, Teaching Institute of Public Health of the Primorje-Gorski Kotar County, Rijeka, Croatia
| | - Tatjana Vilibic-Cavlek
- Department of Virology, Croatian Institute of Public Health, Zagreb, Croatia
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Bernad Kaic
- Department of Epidemiology, Croatian Institute of Public Health, Zagreb, Croatia
| | - Lisa Hansen
- Office of the Chief Science Officer, Office of the President, Public Health Agency of Canada, Ottawa, Canada
| | - Oktavija Đakovic Rode
- Department of Virology, University Hospital for Infectious Diseases "Dr. Fran Mihaljević", Zagreb, Croatia
- School of Dental Medicine, University of Zagreb, Zagreb, Croatia
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Wu D, Zhang C, Liu Y, Yao J, Yang X, Wu S, Du J, Yang X. Beyond faecal microbiota transplantation, the non-negligible role of faecal virome or bacteriophage transplantation. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2023; 56:893-908. [PMID: 36890066 DOI: 10.1016/j.jmii.2023.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/09/2023] [Accepted: 02/18/2023] [Indexed: 02/27/2023]
Abstract
Intestinal microbiota, which contains bacteria, archaea, fungi, protists, and viruses including bacteriophages, is symbiotic and evolves together with humans. The balanced intestinal microbiota plays indispensable roles in maintaining and regulating host metabolism and health. Dysbiosis has been associated with not only intestinal diseases but other diseases such as neurology disorders and cancers. Faecal microbiota transplantation (FMT) or faecal virome or bacteriophage transplantation (FVT or FBT), transfers faecal bacteria or viruses, with a focus on bacteriophage, from one healthy individual to another individual (normally unhealthy condition), and aims to restore the balanced gut microbiota and assist in subduing diseases. In this review, we summarized the applications of FMT and FVT in clinical settings, discussed the advantages and challenges of FMT and FVT currently and proposed several considerations prospectively. We further provided our understanding of why FMT and FVT have their limitations and raised the possible future development strategy of FMT and FVT.
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Affiliation(s)
- Dengyu Wu
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.
| | - Chenguang Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.
| | - Yanli Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.
| | - Junhu Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.
| | - Shengru Wu
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.
| | - Juan Du
- Centre for Translational Microbiome Research, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden.
| | - Xin Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.
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Cekinović Grbeša Đ, Zahirović N, Flego V, Livajić M, Rončević Filipović M, Knežević S, Slavuljica I. Epidemiology and Clinical Course of Haemorrhagic Fever with Renal Syndrome in New Endemic Area for Hantavirus Infection in Croatia. Life (Basel) 2023; 13:1767. [PMID: 37629623 PMCID: PMC10455941 DOI: 10.3390/life13081767] [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: 07/18/2023] [Revised: 08/10/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND Hantaviruses remain an important case of emerging and re-emerging infections in human medicine. This study aimed to analyse the epidemiology, clinical presentation, and outcome of hantavirus infections in the western part of Republic of Croatia, a new geographical area for hantavirus infections. METHODS Retrospective analysis of medical records of patients treated for hemorrhagic fever with renal syndrome (HFRS) at the infectious diseases Clinic of the Clinical Hospital Center in Rijeka, Croatia, from 1 January 2014, to 31 December 2021. RESULTS During the eight-year period, 251 patients were hospitalized and treated for HFRS, with epidemic outbreaks in years 2014 and 2021. Most patients had a typical clinical course of HFRS and received supportive care. Serological analysis revealed the Puumala Virus (PUUV) as the predominant etiology of the disease. Epidemiological analysis revealed clustering of infections in the region of Gorski Kotar and spread to the area on the Mediterranean coast (Adriatic Sea), which was previously considered an area free from hantavirus infections. CONCLUSIONS The presented results indicate the spread of hantavirus infections in Croatia from the central low-lying parts of the country to the tourist-attractive western area adjacent to the Mediterranean coast, which was previously considered free of hantavirus infections.
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Affiliation(s)
- Đurđica Cekinović Grbeša
- Clinic for Infectious Diseases, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia; (V.F.); (M.L.); (M.R.F.); (S.K.); (I.S.)
- Department for Infectious Diseases, School of Medicine, University of Rijeka, 51000 Rijeka, Croatia;
| | - Nino Zahirović
- Department for Infectious Diseases, School of Medicine, University of Rijeka, 51000 Rijeka, Croatia;
| | - Viktorija Flego
- Clinic for Infectious Diseases, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia; (V.F.); (M.L.); (M.R.F.); (S.K.); (I.S.)
| | - Marija Livajić
- Clinic for Infectious Diseases, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia; (V.F.); (M.L.); (M.R.F.); (S.K.); (I.S.)
- Department for Infectious Diseases, School of Medicine, University of Rijeka, 51000 Rijeka, Croatia;
| | - Mari Rončević Filipović
- Clinic for Infectious Diseases, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia; (V.F.); (M.L.); (M.R.F.); (S.K.); (I.S.)
- Department for Infectious Diseases, School of Medicine, University of Rijeka, 51000 Rijeka, Croatia;
| | - Samira Knežević
- Clinic for Infectious Diseases, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia; (V.F.); (M.L.); (M.R.F.); (S.K.); (I.S.)
| | - Irena Slavuljica
- Clinic for Infectious Diseases, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia; (V.F.); (M.L.); (M.R.F.); (S.K.); (I.S.)
- Department for Infectious Diseases, School of Medicine, University of Rijeka, 51000 Rijeka, Croatia;
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Tkachenko E, Kurashova S, Balkina A, Ivanov A, Egorova M, Leonovich O, Popova Y, Teodorovich R, Belyakova A, Tkachenko P, Trankvilevsky D, Blinova E, Ishmukhametov A, Dzagurova T. Cases of Hemorrhagic Fever with Renal Syndrome in Russia during 2000-2022. Viruses 2023; 15:1537. [PMID: 37515224 PMCID: PMC10383633 DOI: 10.3390/v15071537] [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: 05/26/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
During 2000-2022, a total of 69 of Russia's 85 administrative regions reported 164,580 hemorrhagic fever with renal syndrome (HFRS) cases, with an annual average rate of 4.9 cases/100,000 population (105 popul.). European Russia reported 162,045 (98.5%) cases in 53/60 regions with 9.7 cases/105 popul. Asian Russia reported 2535 (1.5%) cases in 16/25 regions with 0.6 cases/105 popul. In the same period, Russia reported 668 (0.4%) fatal HFRS cases, and 4030 (2.4%) cases among children under the age of 14 years. Most HFRS cases occurred during autumn and winter. The incidence among rural residents was 6.7 per 105 popul., higher than the urban 4.4 per 105 popul.; however, among HFRS patients, rural and urban residents account for 35% and 65%, respectively. Six hantaviruses, causing HFRS of different clinical severity, were recognized as pathogens: Hantaan (HTNV) and Amur (AMUV) of Orthohantavirus hantanense species, Seoul (SEOV) of Orthohantavirus seoulense species, Puumala (PUUV) of Orthohantavirus puumalaense species, and Kurkino (KURV) and Sochi (SOCV) of Orthohantavirus dobravaense species, with the principal hosts Apodemus agrarius coreae, Apodemus peninsulae, Rattus norvegicus, Myodes glareolus, Apodemus agrarius agrarius, and Sylvaemus ponticus, respectively. It was found that 97.7% of HFRS cases are caused by PUUV, therefore, this virus plays the main role in the HFRS morbidity structure in Russia.
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Affiliation(s)
- Evgeniy Tkachenko
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Svetlana Kurashova
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Alexandra Balkina
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Alexander Ivanov
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Mariya Egorova
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Oksana Leonovich
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Yulia Popova
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Rostislav Teodorovich
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Alla Belyakova
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
| | - Petr Tkachenko
- Department of Internal Disease Propaedeutics, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | | | - Ekaterina Blinova
- Department of Genetic Engineering and Biotechnology, Central Research Institute of Epidemiology, 111123 Moscow, Russia
| | - Aydar Ishmukhametov
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
- Department of Internal Disease Propaedeutics, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Tamara Dzagurova
- FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences" (Institute of Poliomyelitis), 108819 Moscow, Russia
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Schlohsarczyk EK, Drewes S, Koteja P, Röhrs S, Ulrich RG, Teifke JP, Herden C. Tropism of Puumala orthohantavirus and Endoparasite Coinfection in the Bank Vole Reservoir. Viruses 2023; 15:v15030612. [PMID: 36992321 PMCID: PMC10058470 DOI: 10.3390/v15030612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 02/08/2023] [Accepted: 02/12/2023] [Indexed: 02/25/2023] Open
Abstract
In Europe, most cases of human hantavirus disease are caused by Puumala orthohantavirus (PUUV) transmitted by bank voles (Clethrionomys glareolus, syn. Myodes glareolus), in which PUUV causes inconspicuous infection. Little is known about tropism and endoparasite coinfections in PUUV-infected reservoir and spillover-infected rodents. Here, we characterized PUUV tropism, pathological changes and endoparasite coinfections. The voles and some non-reservoir rodents were examined histologically, immunohistochemically, by in situ hybridization, indirect IgG enzyme-linked immunosorbent assay and reverse transcription-polymerase chain reaction. PUUV RNA and anti-PUUV antibodies were detected simultaneously in a large proportion of the bank voles, indicating persistent infection. Although PUUV RNA was not detected in non-reservoir rodents, the detection of PUUV-reactive antibodies suggests virus contact. No specific gross and histological findings were detected in the infected bank voles. A broad organ tropism of PUUV was observed: kidney and stomach were most frequently infected. Remarkably, PUUV was detected in cells lacking the typical secretory capacity, which may contribute to the maintenance of virus persistence. PUUV-infected wild bank voles were found to be frequently coinfected with Hepatozoon spp. and Sarcocystis (Frenkelia) spp., possibly causing immune modulation that may influence susceptibility to PUUV infection or vice versa. The results are a prerequisite for a deeper understanding of virus–host interactions in natural hantavirus reservoirs.
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Affiliation(s)
- Elfi K. Schlohsarczyk
- Institute of Veterinary Pathology, FB10—Veterinary Medicine, Justus-Liebig-University Giessen, 35392 Giessen, Germany
- Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany
| | - Stephan Drewes
- Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany
| | - Paweł Koteja
- Institute of Environmental Sciences, Faculty of Biology, Jagiellonian University, 30-387 Kraków, Poland
| | - Susanne Röhrs
- Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany
| | - Rainer G. Ulrich
- Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany
| | - Jens P. Teifke
- Institute of Veterinary Pathology, FB10—Veterinary Medicine, Justus-Liebig-University Giessen, 35392 Giessen, Germany
- Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany
| | - Christiane Herden
- Institute of Veterinary Pathology, FB10—Veterinary Medicine, Justus-Liebig-University Giessen, 35392 Giessen, Germany
- Correspondence: ; Tel.: +49-6419938201
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7
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He J, Zhang Y, Hu Z, Zhang L, Shao G, Xie Z, Nie Y, Li W, Li Y, Chen L, Huang B, Chu F, Feng K, Lin W, Li H, Chen W, Zhang X, Xie Q. Recombinant Muscovy Duck Parvovirus Led to Ileac Damage in Muscovy Ducklings. Viruses 2022; 14:v14071471. [PMID: 35891451 PMCID: PMC9315717 DOI: 10.3390/v14071471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 06/29/2022] [Accepted: 06/29/2022] [Indexed: 02/04/2023] Open
Abstract
Waterfowl parvovirus (WPFs) has multiple effects on the intestinal tract, but the effects of recombinant Muscovy duck parvovirus (rMDPV) have not been elucidated. In this study, 48 one-day-old Muscovy ducklings were divided into an infected group and a control group. Plasma and ileal samples were collected from both groups at 2, 4, 6, and 8 days post-infection (dpi), both six ducklings at a time. Next, we analyzed the genomic sequence of the rMDPV strain. Results showed that the ileal villus structure was destroyed seriously at 4, 6, 8 dpi, and the expression of ZO-1, Occludin, and Claudin-1 decreased at 4, 6 dpi; 4, 6, 8 dpi; and 2, 6 dpi, respectively. Intestinal cytokines IFN-α, IL-1β and IL-6 increased at 6 dpi; 8 dpi; and 6, 8 dpi, respectively, whereas IL-2 decreased at 6, 8 dpi. The diversity of ileal flora increased significantly at 4 dpi and decreased at 8 dpi. The bacteria Ochrobactrum and Enterococcus increased and decreased at 4, 8 dpi; 2, 4 dpi, respectively. Plasma MDA increased at 2 dpi, SOD, CAT, and T-AOC decreased at 2, 4, 8 dpi; 4, 8 dpi; and 4, 6, 8 dpi, respectively. These results suggest that rMDPV infection led to early intestinal barrier dysfunction, inflammation, ileac microbiota disruption, and oxidative stress.
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Affiliation(s)
- Jiahui He
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Yukun Zhang
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Zezhong Hu
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Luxuan Zhang
- School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou 510006, China;
| | - Guanming Shao
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Zi Xie
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Yu Nie
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Wenxue Li
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Yajuan Li
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Liyi Chen
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Benli Huang
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Fengsheng Chu
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
| | - Keyu Feng
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangzhou 510642, China
| | - Wencheng Lin
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangzhou 510642, China
| | - Hongxin Li
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangzhou 510642, China
| | - Weiguo Chen
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangzhou 510642, China
| | - Xinheng Zhang
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangzhou 510642, China
- Correspondence: (X.Z.); (Q.X.)
| | - Qingmei Xie
- Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (J.H.); (Y.Z.); (Z.H.); (G.S.); (Z.X.); (Y.N.); (W.L.); (Y.L.); (L.C.); (B.H.); (F.C.); (K.F.); (W.L.); (H.L.); (W.C.)
- Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangzhou 510642, China
- Correspondence: (X.Z.); (Q.X.)
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8
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Mustonen J, Henttonen H, Vaheri A, Zöller L, Krüger DH. [Infection outbreak among German and Finish troups in Eastern Lapland during World War II - First description of hantavirus disease in the German language area]. Dtsch Med Wochenschr 2022; 147:1629-1634. [PMID: 35732176 DOI: 10.1055/a-1817-5129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Eight decades ago, a report on "a swamp fever-like disease in German troups in Lapland" was published in this journal. The disease outbreak had occurred in 1942 and affected more than 1000 soldiers at the Finish front. The published, precise analysis of the clinical picture was obviously the first description of hantavirus disease in the German language area. Nowadays, hantavirus disease - in Central and Northern Europe also known as Nephropathia epidemica - is one of the most frequent notifiable virus diseases in Germany and Finland.
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Affiliation(s)
- Jukka Mustonen
- Faculty of Medicine and Health Technology, Tampere University, Finland.,Department of Internal Medicine, Tampere University Hospital, Finland
| | | | - Antti Vaheri
- Department of Virology, Medicum, University of Helsinki, Finland
| | | | - Detlev H Krüger
- Institut für Virologie, Charité - Universitätsmedizin Berlin, Gliedkörperschaft der Freien Universität Berlin und der Humboldt-Universität zu Berlin, Berlin
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9
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Harlow J, Dallner M, Nasheri N. Protective Effect of Food Against Inactivation of Human Coronavirus OC43 by Gastrointestinal Fluids. FOOD AND ENVIRONMENTAL VIROLOGY 2022; 14:212-216. [PMID: 35320506 PMCID: PMC8941299 DOI: 10.1007/s12560-022-09520-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
The involvement of the gastrointestinal (GI) tract in severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection has been reported in multiple studies. Since it has been demonstrated that human intestinal epithelial cells support productive viral replication and that a substantial portion of infected individuals shed the virus in feces, the possibility of fecal-oral and fecal-respiratory modes of transmission have been proposed for SARS-CoV-2. In order to establish viral replication in the intestine, enteric viruses need to retain their infectivity in often low pH gastric fluids, and in intestinal fluids, which contain digestive enzymes and bile salts. In this study, we examined whether human coronaviruses OC43 (HCoV-OC43) can remain infectious in simulated GI fluids that models human fasting-state and fed-state, in the presence or absence of food. We demonstrated that except for fasting-state gastric fluid (pH 1.6), the virus can remain infectious in all other gastrointestinal fluids for 1 h. Furthermore, we demonstrated that presence of food could significantly improve viral survival in gastric fluids. Therefore, this study provides evidence that ingestion with food could protect the virus against inactivation by the GI fluids.
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Affiliation(s)
- Jennifer Harlow
- National Food Virology Reference Centre, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada
| | - Matthew Dallner
- National Food Virology Reference Centre, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada
| | - Neda Nasheri
- National Food Virology Reference Centre, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada.
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada.
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10
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Hofmann J, Loyen M, Faber M, Krüger DH. [Hantavirus Disease: An Update]. Dtsch Med Wochenschr 2022; 147:312-318. [PMID: 35291036 DOI: 10.1055/a-1664-7259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
In addition to the well-known clinical early symptoms of hantavirus disease (fever, flank and abdominal pain as well as arthralgia), unusual neurological changes in the context of infection come into focus. The spectrum of neurological symptoms ranges from transient myopia to severe pareses in the context of Guillain-Barré syndrome. In endemic areas, rapid IgM tests for initial assessment are of certain value for differential diagnosis. For therapeutic approaches, only supportive measures up to transient dialysis are available.Molecular genetic analysis and comparison of hantavirus strains of patients and mice from the same geographical area allowed molecular characterization of different outbreak regions. In the meantime, the Puumala viruses of the main outbreak regions in Germany are molecularly well characterized; therefore, the nucleotide sequence of the virus strain detected in a patient makes it possible to draw conclusions about the geographic region where the patient's infection took place.The human pathogenic hantaviruses being prevalent in Germany are the Puumala virus (reservoir: bank vole) and the Dobrava-Belgrade virus, genotype Kurkino (reservoir: striped field mouse). Recently, the molecular detection of further hantaviruses in patients with hantavirus disease was achieved. It can be concluded that also the Seoul virus (reservoir: rats) and the Tulavirus (reservoir: field mouse and related species) occasionally cause hantavirus disease in Germany.New results revealed that human infections can occur not only by the generally accepted route of inhalation of virus-containing aerosols, but also by ingestion of virus-containing materials.For patients with hantavirus infection or disease, it can be assumed that they are not infectious for their environment. A new systematic review could not confirm a human-to-human transmission previously postulated for South American hantaviruses.While all known human pathogenic hantaviruses are transmitted by rodents, other hantaviruses have been recently detected in shrews, moles, and bats. The clinical significance of these new viruses is quite unclear as yet.
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Affiliation(s)
- Jörg Hofmann
- Institut für Virologie, Helmut-Ruska-Haus, Charité - Universitätsmedizin Berlin, 10117 Berlin
| | - Martin Loyen
- Klinik für Innere Medizin, Nephrologie und Dialyse, Herz-Jesu-Krankenhaus, Münster-Hiltrup
| | - Mirko Faber
- Abteilung für Infektionsepidemiologie, Robert Koch-Institut, Berlin
| | - Detlev H Krüger
- Institut für Virologie, Helmut-Ruska-Haus, Charité - Universitätsmedizin Berlin, 10117 Berlin
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11
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Du H, Zhang L, Zhang X, Yun F, Chang Y, Tuersun A, Aisaiti K, Ma Z. Metagenome-Assembled Viral Genomes Analysis Reveals Diversity and Infectivity of the RNA Virome of Gerbillinae Species. Viruses 2022; 14:356. [PMID: 35215951 PMCID: PMC8874536 DOI: 10.3390/v14020356] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/04/2022] [Accepted: 02/06/2022] [Indexed: 11/21/2022] Open
Abstract
Rodents are a known reservoir for extensive zoonotic viruses, and also possess a propensity to roost in human habitation. Therefore, it is necessary to identify and catalogue the potentially emerging zoonotic viruses that are carried by rodents. Here, viral metagenomic sequencing was used for zoonotic virus detection and virome characterization on 32 Great gerbils of Rhombomys opimus, Meriones meridianus, and Meiiones Unguiculataus species in Xinjiang, Northwest China. In total, 1848 viral genomes that are potentially pathogenic to rodents and humans, as well as to other wildlife, were identified namely Retro-, Flavi-, Pneumo-, Picobirna-, Nairo-, Arena-, Hepe-, Phenui-, Rhabdo-, Calici-, Reo-, Corona-, Orthomyxo-, Peribunya-, and Picornaviridae families. In addition, a new genotype of rodent Hepacivirus was identified in heart and lung homogenates of seven viscera pools and phylogenetic analysis revealed the closest relationship to rodent Hepacivirus isolate RtMm-HCV/IM2014 that was previously reported to infect rodents from Inner Mongolia, China. Moreover, nine new genotype viral sequences that corresponded to Picobirnaviruses (PBVs), which have a bi-segmented genome and belong to the family Picobirnaviridae, comprising of three segment I and six segment II sequences, were identified in intestines and liver of seven viscera pools. In the two phylogenetic trees that were constructed using ORF1 and ORF2 of segment I, the three segment I sequences were clustered into distinct clades. Additionally, phylogenetic analysis showed that PBV sequences were distributed in the whole tree that was constructed using the RNA-dependent RNA polymerase (RdRp) gene of segment II with high diversity, sharing 68.42-82.67% nucleotide identities with other genogroup I and genogroup II PBV strains based on the partial RdRp gene. By RNA sequencing, we found a high degree of biodiversity of Retro-, Flavi-, Pneumo-, and Picobirnaridae families and other zoonotic viruses in gerbils, indicating that zoonotic viruses are a common presence in gerbils from Xinjiang, China. Therefore, further research is needed to determine the zoonotic potential of these viruses that are carried by other rodent species from different ecosystems and wildlife in general.
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Affiliation(s)
| | | | | | | | | | | | | | - Zhenghai Ma
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China; (H.D.); (L.Z.); (X.Z.); (F.Y.); (Y.C.); (A.T.); (K.A.)
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12
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Van de Perre P, Molès J, Nagot N, Tuaillon E, Ceccaldi P, Goga A, Prendergast AJ, Rollins N. Revisiting Koch's postulate to determine the plausibility of viral transmission by human milk. Pediatr Allergy Immunol 2021; 32:835-842. [PMID: 33594740 PMCID: PMC8359252 DOI: 10.1111/pai.13473] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/09/2021] [Accepted: 02/12/2021] [Indexed: 12/18/2022]
Abstract
As breastfeeding is of utmost importance for child development and survival, identifying whether breast milk is a route of transmission for human viruses is critical. Based on the principle of Koch's postulate, we propose an analytical framework to determine the plausibility of viral transmission by breast milk. This framework is based on five criteria: viral infection in children receiving breast milk from infected mothers; the presence of virus, viral antigen, or viral genome in the breast milk of infected mothers; the evidence for the virus in breast milk being infectious; the attempts to rule out other transmission modalities; and the reproduction of viral transmission by oral inoculation in an animal model. We searched for evidence in published reports to determine whether the 5 criteria are fulfilled for 16 human viruses that are suspected to be transmissible by breast milk. We considered breast milk transmission is proven if all 5 criteria are fulfilled, as probable if 4 of the 5 criteria are met, as possible if 3 of the 5 criteria are fulfilled, and as unlikely if less than 3 criteria are met. Only five viruses have proven transmission through breast milk: human T-cell lymphotropic virus 1, human immunodeficiency virus, human cytomegalovirus, dengue virus, and Zika virus. The other 11 viruses fulfilled some but not all criteria and were categorized accordingly. Our framework analysis is useful for guiding public health recommendations and for identifying knowledge gaps amenable to original experiments.
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Affiliation(s)
- Philippe Van de Perre
- Pathogenesis and Control of Chronic and Emerging InfectionsUniversity of MontpellierINSERMEtablissement Français du SangAntilles UniversityMontpellierFrance
- CHU MontpellierMontpellierFrance
| | - Jean‐Pierre Molès
- Pathogenesis and Control of Chronic and Emerging InfectionsUniversity of MontpellierINSERMEtablissement Français du SangAntilles UniversityMontpellierFrance
- CHU MontpellierMontpellierFrance
| | - Nicolas Nagot
- Pathogenesis and Control of Chronic and Emerging InfectionsUniversity of MontpellierINSERMEtablissement Français du SangAntilles UniversityMontpellierFrance
- CHU MontpellierMontpellierFrance
| | - Edouard Tuaillon
- Pathogenesis and Control of Chronic and Emerging InfectionsUniversity of MontpellierINSERMEtablissement Français du SangAntilles UniversityMontpellierFrance
- CHU MontpellierMontpellierFrance
| | - Pierre‐Emmanuel Ceccaldi
- Unité Epidémiologie et Physiopathologie des Virus OncogènesCNRS UMR 3569Institut PasteurUniversité de ParisParisFrance
| | - Ameena Goga
- HIV Prevention Research UnitSouth African Medical Research CouncilCape TownSouth Africa
- Department of Paediatrics and Child HealthUniversity of PretoriaPretoriaSouth Africa
| | - Andrew J. Prendergast
- Blizard InstituteQueen Mary University of LondonUK
- Zvitambo Institute for Maternal and Child Health ResearchHarareZimbabwe
| | - Nigel Rollins
- Department of Maternal, Newborn, Child and Adolescent Health and AgeingWorld Health OrganizationGenevaSwitzerland
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13
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Ferrés M, Martínez-Valdebenito C, Angulo J, Henríquez C, Vera-Otárola J, Vergara MJ, Pérez J, Fernández J, Sotomayor V, Valdés MF, González-Candia D, Tischler ND, Vial C, Vial P, Mertz G, Le Corre N. Mother-to-Child Transmission of Andes Virus through Breast Milk, Chile 1. Emerg Infect Dis 2021; 26:1885-1888. [PMID: 32687024 PMCID: PMC7392419 DOI: 10.3201/eid2608.200204] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Andes virus (ANDV) is the only hantavirus transmitted between humans through close contact. We detected the genome and proteins of ANDV in breast milk cells from an infected mother in Chile who transmitted the virus to her child, suggesting gastrointestinal infection through breast milk as a route of ANDV person-to-person transmission.
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14
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O'Brien B, Goodridge L, Ronholm J, Nasheri N. Exploring the potential of foodborne transmission of respiratory viruses. Food Microbiol 2021; 95:103709. [PMID: 33397626 PMCID: PMC8035669 DOI: 10.1016/j.fm.2020.103709] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 02/07/2023]
Abstract
The ongoing pandemic involving severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has raised the question whether this virus, which is known to be spread primarily though respiratory droplets, could be spread through the fecal-oral route or via contaminated food. In this article, we present a critical review of the literature exploring the potential foodborne transmission of several respiratory viruses including human coronaviruses, avian influenza virus (AVI), parainfluenza viruses, human respiratory syncytial virus, adenoviruses, rhinoviruses, and Nipah virus. Multiple lines of evidence, including documented expression of receptor proteins on gastrointestinal epithelial cells, in vivo viral replication in gastrointestinal epithelial cell lines, extended fecal shedding of respiratory viruses, and the ability to remain infectious in food environments for extended periods of time raises the theoretical ability of some human respiratory viruses, particularly human coronaviruses and AVI, to spread via food. However, to date, neither epidemiological data nor case reports of clear foodborne transmission of either viruses exist. Thus, foodborne transmission of human respiratory viruses remains only a theoretical possibility.
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Affiliation(s)
- Bridget O'Brien
- Faculty of Agricultural and Environmental Sciences, Macdonald Campus, McGill University, Ste Anne de Bellevue, Québec, Canada
| | | | - Jennifer Ronholm
- Faculty of Agricultural and Environmental Sciences, Macdonald Campus, McGill University, Ste Anne de Bellevue, Québec, Canada
| | - Neda Nasheri
- Food Virology Laboratory, Bureau of Microbial Hazards, Health Canada, Ottawa, Ontario, Canada; Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, ON, Canada.
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15
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Madrières S, Tatard C, Murri S, Vulin J, Galan M, Piry S, Pulido C, Loiseau A, Artige E, Benoit L, Leménager N, Lakhdar L, Charbonnel N, Marianneau P, Castel G. How Bank Vole-PUUV Interactions Influence the Eco-Evolutionary Processes Driving Nephropathia Epidemica Epidemiology-An Experimental and Genomic Approach. Pathogens 2020; 9:E789. [PMID: 32993044 PMCID: PMC7599775 DOI: 10.3390/pathogens9100789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/21/2020] [Accepted: 09/23/2020] [Indexed: 11/16/2022] Open
Abstract
In Europe, Puumala virus (PUUV) is responsible for nephropathia epidemica (NE), a mild form of hemorrhagic fever with renal syndrome (HFRS). Despite the presence of its reservoir, the bank vole, on most of French territory, the geographic distribution of NE cases is heterogeneous and NE endemic and non-endemic areas have been reported. In this study we analyzed whether bank vole-PUUV interactions could partly shape these epidemiological differences. We performed crossed-experimental infections using wild bank voles from French endemic (Ardennes) and non-endemic (Loiret) areas and two French PUUV strains isolated from these areas. The serological response and dynamics of PUUV infection were compared between the four cross-infection combinations. Due to logistical constraints, this study was based on a small number of animals. Based on this experimental design, we saw a stronger serological response and presence of PUUV in excretory organs (bladder) in bank voles infected with the PUUV endemic strain. Moreover, the within-host viral diversity in excretory organs seemed to be higher than in other non-excretory organs for the NE endemic cross-infection but not for the NE non-endemic cross-infection. Despite the small number of rodents included, our results showed that genetically different PUUV strains and in a lesser extent their interaction with sympatric bank voles, could affect virus replication and diversity. This could impact PUUV excretion/transmission between rodents and to humans and in turn at least partly shape NE epidemiology in France.
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Affiliation(s)
- Sarah Madrières
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
- ANSES—Laboratoire de Lyon, Unité Virologie, 69007 Lyon, France; (S.M.); (J.V.); (P.M.)
| | - Caroline Tatard
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
| | - Séverine Murri
- ANSES—Laboratoire de Lyon, Unité Virologie, 69007 Lyon, France; (S.M.); (J.V.); (P.M.)
| | - Johann Vulin
- ANSES—Laboratoire de Lyon, Unité Virologie, 69007 Lyon, France; (S.M.); (J.V.); (P.M.)
| | - Maxime Galan
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
| | - Sylvain Piry
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
| | - Coralie Pulido
- ANSES—Laboratoire de Lyon, Plateforme d’Expérimentation Animale, 69007 Lyon, France; (C.P.); (L.L.)
| | - Anne Loiseau
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
| | - Emmanuelle Artige
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
| | - Laure Benoit
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
| | - Nicolas Leménager
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
| | - Latifa Lakhdar
- ANSES—Laboratoire de Lyon, Plateforme d’Expérimentation Animale, 69007 Lyon, France; (C.P.); (L.L.)
| | - Nathalie Charbonnel
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
| | - Philippe Marianneau
- ANSES—Laboratoire de Lyon, Unité Virologie, 69007 Lyon, France; (S.M.); (J.V.); (P.M.)
| | - Guillaume Castel
- CBGP, INRAE, CIRAD, IRD, Institut Agro, Université Montpellier, 34000 Montpellier, France; (S.M.); (C.T.); (M.G.); (S.P.); (A.L.); (E.A.); (L.B.); (N.L.); (N.C.)
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16
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D'Souza MH, Patel TR. Biodefense Implications of New-World Hantaviruses. Front Bioeng Biotechnol 2020; 8:925. [PMID: 32850756 PMCID: PMC7426369 DOI: 10.3389/fbioe.2020.00925] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/17/2020] [Indexed: 01/20/2023] Open
Abstract
Hantaviruses, part of the Bunyaviridae family, are a genus of negative-sense, single-stranded RNA viruses that cause two major diseases: New-World Hantavirus Cardiopulmonary Syndrome and Old-World Hemorrhagic Fever with Renal Syndrome. Hantaviruses generally are found worldwide with each disease corresponding to their respective hemispheres. New-World Hantaviruses spread by specific rodent-host reservoirs and are categorized as emerging viruses that pose a threat to global health and security due to their high mortality rate and ease of transmission. Incidentally, reports of Hantavirus categorization as a bioweapon are often contradicted as both US National Institute of Allergy and Infectious Diseases and the Centers for Disease Control and Prevention refer to them as Category A and C bioagents respectively, each retaining qualitative levels of importance and severity. Concerns of Hantavirus being engineered into a novel bioagent has been thwarted by Hantaviruses being difficult to culture, isolate, and purify limiting its ability to be weaponized. However, the natural properties of Hantaviruses pose a threat that can be exploited by conventional and unconventional forces. This review seeks to clarify the categorization of Hantaviruses as a bioweapon, whilst defining the practicality of employing New-World Hantaviruses and their effect on armies, infrastructure, and civilian targets.
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Affiliation(s)
- Michael Hilary D'Souza
- Department of Chemistry and Biochemistry, Alberta RNA Research and Training Institute, University of Lethbridge, Lethbridge, AB, Canada
| | - Trushar R Patel
- Department of Chemistry and Biochemistry, Alberta RNA Research and Training Institute, University of Lethbridge, Lethbridge, AB, Canada.,Department of Microbiology, Immunology and Infectious Disease, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Li Ka Shing Institute of Virology and Discovery Lab, University of Alberta, Edmonton, AB, Canada
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17
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Faber M, Krüger DH, Auste B, Stark K, Hofmann J, Weiss S. Molecular and epidemiological characteristics of human Puumala and Dobrava-Belgrade hantavirus infections, Germany, 2001 to 2017. ACTA ACUST UNITED AC 2020; 24. [PMID: 31411134 PMCID: PMC6693291 DOI: 10.2807/1560-7917.es.2019.24.32.1800675] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction Two hantavirus species, Puumala (PUUV) and Dobrava-Belgrade (DOBV) virus (genotype Kurkino), are endemic in Germany. Recent PUUV outbreaks raised questions concerning increasing frequency of outbreaks and expansion of PUUV endemic areas. Aims To describe the epidemiology of human PUUV and DOBV infections in Germany. Methods We conducted an observational retrospective study analysing national hantavirus surveillance data notified to the national public health institute and hantavirus nucleotide sequences from patients collected at the national consultation laboratory between 2001 and 2017. Matching molecular sequences with surveillance data, we conducted epidemiological, phylogenetic and phylogeographic analyses. Results In total, 12,148 cases of symptomatic hantavirus infection were notified 2001–17 (mean annual incidence: 0.87/100,000; range: 0.09–3.51). PUUV infections showed a highly variable space-time disease incidence pattern, causing large outbreaks every 2–3 years with peaks in early summer and up to 3,000 annually reported cases. Sex-specific differences in disease presentation were observed. Of 202 PUUV nucleotide sequences obtained from cases, 189 (93.6%) fall into well-supported phylogenetic clusters corresponding to different endemic areas in Germany. DOBV infections caused few, mostly sporadic cases in autumn and winter in the north and east of Germany. Conclusions The frequency of PUUV outbreaks increased between 2001 and 2017 but our data does not support the suggested expansion of endemic areas. The epidemiology of PUUV and DOBV-Kurkino infections differs in several aspects. Moreover, the latter are relatively rare and combining efforts and data of several countries to identify risk factors and develop specific recommendations for prevention could be worthwhile.
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Affiliation(s)
- Mirko Faber
- Department for Infectious Disease Epidemiology, Robert Koch Institute, Berlin, Germany
| | - Detlev H Krüger
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, Berlin, Germany
| | - Brita Auste
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, Berlin, Germany
| | - Klaus Stark
- Department for Infectious Disease Epidemiology, Robert Koch Institute, Berlin, Germany
| | - Jörg Hofmann
- These authors contributed equally and share last authorship.,Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, Berlin, Germany
| | - Sabrina Weiss
- These authors contributed equally and share last authorship.,Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, Berlin, Germany
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18
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Macropinocytosis and Clathrin-Dependent Endocytosis Play Pivotal Roles for the Infectious Entry of Puumala Virus. J Virol 2020; 94:JVI.00184-20. [PMID: 32350075 DOI: 10.1128/jvi.00184-20] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 04/25/2020] [Indexed: 12/20/2022] Open
Abstract
Viruses from the family Hantaviridae are encountered as emerging pathogens causing two life-threatening human zoonoses: hemorrhagic fever with renal syndrome (HFRS) and hantavirus cardiopulmonary syndrome (HCPS), with case fatality rates of up to 50%. Here, we comprehensively investigated entry of the Old World hantavirus Puumala virus (PUUV) into mammalian cells, showing that upon treatment with pharmacological inhibitors of macropinocytosis and clathrin-mediated endocytosis, PUUV infections are greatly reduced. We demonstrate that the inhibitors did not interfere with viral replication and that RNA interference, targeting cellular mediators of macropinocytosis, decreases PUUV infection levels significantly. Moreover, we established lipophilic tracer staining of PUUV particles and show colocalization of stained virions and markers of macropinosomes. Finally, we report a significant increase in the fluid-phase uptake of cells infected with PUUV, indicative of a virus-triggered promotion of macropinocytosis.IMPORTANCE The family Hantaviridae comprises a diverse group of virus species and is considered an emerging global public health threat. Individual hantavirus species differ considerably in terms of their pathogenicity but also in their cell biology and host-pathogen interactions. In this study, we focused on the most prevalent pathogenic hantavirus in Europe, Puumala virus (PUUV), and investigated the entry and internalization of PUUV into mammalian cells. We show that both clathrin-mediated endocytosis and macropinocytosis are cellular pathways exploited by the virus to establish productive infections and demonstrate that pharmacological inhibition of macropinocytosis or a targeted knockdown using RNA interference significantly reduced viral infections. We also found indications of an increase of macropinocytic uptake upon PUUV infection, suggesting that the virus triggers specific cellular mechanisms in order to stimulate its own internalization, thus facilitating infection.
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19
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Perley CC, Brocato RL, Wu H, Bausch C, Karmali PP, Vega JB, Cohen MV, Somerville B, Kwilas SA, Principe LM, Shamblin J, Chivukula P, Sullivan E, Hooper JW. Anti-HFRS Human IgG Produced in Transchromosomic Bovines Has Potent Hantavirus Neutralizing Activity and Is Protective in Animal Models. Front Microbiol 2020; 11:832. [PMID: 32508764 PMCID: PMC7252588 DOI: 10.3389/fmicb.2020.00832] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Accepted: 04/07/2020] [Indexed: 11/13/2022] Open
Abstract
We explored an emerging technology to produce anti-Hantaan virus (HTNV) and anti-Puumala virus (PUUV) neutralizing antibodies for use as pre- or post-exposure prophylactics. The technology involves hyperimmunization of transchomosomic bovines (TcB) engineered to express human polyclonal IgG antibodies with HTNV and PUUV DNA vaccines encoding GnGc glycoproteins. For the anti-HTNV product, TcB was hyperimmunized with HTNV DNA plus adjuvant or HTNV DNA formulated using lipid nanoparticles (LNP). The LNP-formulated vaccine yielded fivefold higher neutralizing antibody titers using 10-fold less DNA. Human IgG purified from the LNP-formulated animal (SAB-159), had anti-HTNV neutralizing antibody titers >100,000. SAB-159 was capable of neutralizing pseudovirions with monoclonal antibody escape mutations in Gn and Gc demonstrating neutralization escape resistance. SAB-159 protected hamsters from HTNV infection when administered pre- or post-exposure, and limited HTNV infection in a marmoset model. An LNP-formulated PUUV DNA vaccine generated purified anti-PUUV IgG, SAB-159P, with a neutralizing antibody titer >600,000. As little as 0.33 mg/kg of SAB-159P protected hamsters against PUUV infection for pre-exposure and 10 mg/kg SAB-159P protected PUUV-infected hamsters post-exposure. These data demonstrate that DNA vaccines combined with the TcB-based manufacturing platform can be used to rapidly produce potent, human, polyclonal, escape-resistant anti-HTNV, and anti-PUUV neutralizing antibodies that are protective in animal models.
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Affiliation(s)
- Casey C Perley
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Rebecca L Brocato
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Hua Wu
- SAB Biotherapeutics Inc., Sioux Falls, SD, United States
| | | | | | - Jerel B Vega
- Arcturus Therapeutics Inc., San Diego, CA, United States
| | - Melanie V Cohen
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Brandon Somerville
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Steven A Kwilas
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Lucia M Principe
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Joshua Shamblin
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | | | - Eddie Sullivan
- SAB Biotherapeutics Inc., Sioux Falls, SD, United States
| | - Jay W Hooper
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
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20
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Maleki KT, García M, Iglesias A, Alonso D, Ciancaglini M, Hammar U, Ljunggren HG, Schierloh P, Martínez VP, Klingström J. Serum Markers Associated with Severity and Outcome of Hantavirus Pulmonary Syndrome. J Infect Dis 2020; 219:1832-1840. [PMID: 30698699 PMCID: PMC6500549 DOI: 10.1093/infdis/jiz005] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 12/11/2018] [Indexed: 12/11/2022] Open
Abstract
Background Hantavirus pulmonary syndrome (HPS) is caused by Andes virus (ANDV) and related hantaviruses in the Americas. Despite a fatality rate of 40%, the pathogenesis of HPS is poorly understood and factors associated with severity, fatality, and survival remain elusive. Methods Ninety-three ANDV-infected HPS patients, of whom 34 had a fatal outcome, were retrospectively studied. Serum levels of cytokines and other inflammation-associated markers were analyzed using multiplex immunoassay and enzyme-linked immunosorbent assay. Associations with disease severity, fatal outcome, and survival were identified using logistic regression. Results HPS patients exhibited increased serum levels of markers associated with inflammation, intestinal damage, and microbial translocation compared to controls. Patients with fatal outcome displayed higher levels of interleukin (IL) 6, IL-10, interferon-γ, soluble tumor necrosis factor-related apoptosis-inducing ligand, and intestinal fatty acid–binding protein (I-FABP) than survivors. Levels of complement factor 5/5a were higher in survivors compared with fatal cases. IL-6 and I-FABP, the latter a marker for intestinal damage, were by multivariate analyses identified as independent markers associated with disease severity (odds ratio [OR], 2.25; 95% confidence interval [CI], 1.01–5.01) and fatal outcome (OR, 1.64; 95% CI, 1.01–2.64), respectively. Conclusions HPS patients displayed a multifaceted, systemic inflammatory response, with IL-6 and I-FABP as independent markers of disease severity and fatality, respectively.
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Affiliation(s)
- Kimia T Maleki
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Marina García
- Laboratorio de Inmunología de Enfermedades Respiratorias, Instituto de Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina
| | - Ayelén Iglesias
- Laboratorio Nacional de Referencia para Hantavirus, Servicio de Biología Molecular, Instituto Nacional de Enfermedades Infecciosas, Administración Nacional de Laboratorios e Institutos de Salud, "Dr Carlos G. Malbrán," Buenos Aires, Argentina
| | - Daniel Alonso
- Laboratorio Nacional de Referencia para Hantavirus, Servicio de Biología Molecular, Instituto Nacional de Enfermedades Infecciosas, Administración Nacional de Laboratorios e Institutos de Salud, "Dr Carlos G. Malbrán," Buenos Aires, Argentina
| | - Matías Ciancaglini
- Laboratorio Nacional de Referencia para Hantavirus, Servicio de Biología Molecular, Instituto Nacional de Enfermedades Infecciosas, Administración Nacional de Laboratorios e Institutos de Salud, "Dr Carlos G. Malbrán," Buenos Aires, Argentina
| | - Ulf Hammar
- Unit of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Hans-Gustaf Ljunggren
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Pablo Schierloh
- Laboratorio de Microscopía Aplicada a Estudios Moleculares y Celulares, Instituto de Investigación y Desarrollo en Bioingeniería y Bioinformática, CONICET, Facultad de Ingeniería, Universidad Nacional de Entre Ríos, Argentina
| | - Valeria P Martínez
- Laboratorio Nacional de Referencia para Hantavirus, Servicio de Biología Molecular, Instituto Nacional de Enfermedades Infecciosas, Administración Nacional de Laboratorios e Institutos de Salud, "Dr Carlos G. Malbrán," Buenos Aires, Argentina
| | - Jonas Klingström
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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21
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Ma Y, Tang K, Zhang Y, Zhang C, Zhang Y, Jin B, Ma Y. Design and synthesis of HLA-A*02-restricted Hantaan virus multiple-antigenic peptide for CD8 + T cells. Virol J 2020; 17:15. [PMID: 32005266 PMCID: PMC6995102 DOI: 10.1186/s12985-020-1290-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 01/22/2020] [Indexed: 02/02/2023] Open
Abstract
Background Hantaan virus (HTNV) can cause hemorrhagic fever with renal syndrome (HFRS) in humans with severe morbidity and high mortality. Although inactivated HFRS vaccines are given annually for prevention in populations, China still has the highest number of HFRS cases and deaths worldwide. Consequently, vaccination for HFRS requires the development of novel, more effective vaccines. Epitope peptide vaccines have been developed rapidly in recent years and are considered a novel approach for the prevention of infection. Specifically, the multiple antigenic peptide (MAP) design with preferable immunogenicity can arouse a satisfactory immune response for vaccination. However, there are few reports on the design and evaluation of MAP for HTNV. Methods Three HLA-A*02-restricted 9-mer cytotoxic T lymphocyte (CTL) epitopes on HTNV glycoprotein and one HLA-A*02-restricted 9-mer CTL epitope on the HTNV nucleocapsid, which have been proven to be immunoprotective in our previous study, were selected for the design of HTNV MAP. A four-branched HTNV MAP was evaluated by the IFN-γ-secreting enzyme-linked immunospot assay and proliferation induction capacity of CD8+ T cells and compared with the single HTNV CTL epitope in 17 HLA-A*02+ patients with HFRS. The Mann–Whitney U test was used for comparison of parameters between different subject groups. Results The macromolecular HTNV MAP was designed with a polylysine core and four radially branched single CTL epitope chains. Importantly, HTNV MAP could stimulate CD8+ T cell secretion of IFN-γ in HLA-A*02+ patients with HFRS. The frequency of IFN-γ-secreting CD8+ T cells in the MAP stimulation group was significantly higher than that in the single HTNV CTL epitope stimulation groups (P < 0.005). Meanwhile, the activity of IFN-γ-secreting CD8+ T cells in the HTNV MAP group was also higher than that of the single CTL epitope groups (P < 0.05). Moreover, there was a much stronger ability of HTNV MAP to stimulate CD8+ T cell proliferation compared with that of a single HTNV CTL epitope. Conclusions The designed HTNV MAP could induce CTL responses ex vivo and may be considered a candidate for the design and development of novel HTNV peptide vaccines.
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Affiliation(s)
- Yan Ma
- The Fourth Team, Academy of Basic Medicine, the Fourth Military Medical University, Xi'an, 710032, China
| | - Kang Tang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Yusi Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Ying Ma
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China.
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22
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Sabino-Santos G, Ferreira FF, da Silva DJF, Machado DM, da Silva SG, São Bernardo CS, Dos Santos Filho M, Levi T, Figueiredo LTM, Peres CA, de Morais Bronzoni RV, Canale GR. Hantavirus antibodies among phyllostomid bats from the arc of deforestation in Southern Amazonia, Brazil. Transbound Emerg Dis 2019; 67:1045-1051. [PMID: 31793244 DOI: 10.1111/tbed.13442] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/19/2019] [Accepted: 11/25/2019] [Indexed: 12/15/2022]
Abstract
In order to determine whether southern Amazonian bats could harbour hantaviruses we, serologically and molecularly, screened blood, saliva, excreta and organ tissues of 47 bats captured from September to December 2015. We found that only phyllostomid bats presented antibodies against hantavirus. The seropositive bats belonged to two species of Phyllostomid bats: the greater spear-nosed bat Phyllostomus hastatus (omnivorous) and the gnome fruit-eating bat Dermanura gnoma. The overall seroprevalence was of 4.2%. Therefore, we show here that hantaviruses are circulating among phyllostomid bats in the Amazonian arc of deforestation.
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Affiliation(s)
- Gilberto Sabino-Santos
- Center for Virology Research, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto-SP, Brazil.,Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, United States
| | - Francimeire Fernandes Ferreira
- Biological Collection of Southern Amazon, Federal University of Mato Grosso, Sinop-MT, Brazil.,Graduate Program of Environmental Sciences, Department of Biological Sciences, State University of Mato Grosso, Caceres-MT, Brazil
| | - David José Ferreira da Silva
- Laboratory of Immunology and Virology, Veterinary Medicine Hospital, Federal University of Mato Grosso, Sinop-MT, Brazil
| | - Danilo Melo Machado
- Center for Virology Research, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto-SP, Brazil
| | - Sergio Gomes da Silva
- Laboratory of Biological and Ecological Sciences, Federal Institute of Sciences, Education and Technologies of Mato Grosso State, Pontes e Lacerda-MT, Brazil
| | | | - Manoel Dos Santos Filho
- Laboratory of Mammalogy, Department of Biological Sciences, State University of Mato Grosso, Caceres-MT, Brazil
| | - Taal Levi
- Laboratory of Quantitative Wildlife Ecology, Conservation, and Environmental Genetics, Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR, USA
| | | | - Carlos A Peres
- School of Environmental Sciences, University of East Anglia, Norwich, UK
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23
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Han X, Bertzbach LD, Veit M. Mimicking the passage of avian influenza viruses through the gastrointestinal tract of chickens. Vet Microbiol 2019; 239:108462. [PMID: 31767100 PMCID: PMC7126190 DOI: 10.1016/j.vetmic.2019.108462] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/11/2019] [Accepted: 10/15/2019] [Indexed: 12/27/2022]
Abstract
Avian viruses require neutralization of the gizzard fluid to prevent inactivation. Neutralization uncovers a trypsin-like activity that activates the virus. Viruses grow to high titers in a new epithelial cell line from chicken intestine. Intestinal fluid activate virus particles, but only if diluted. A duck derived virus is better adapted to the fluid compared to fowl plague virus.
In contrast to human influenza viruses that replicate in the respiratory tract and are airborne transmitted, avian viruses also replicate in gut epithelial cells and are transmitted via the fecal-oral route. On this route, the virus is exposed to destructive fluids of the digestive tract, which are acidic and contain the proteases pepsin (gizzard) or chymotrypsin and trypsin (intestine). Only the latter enzyme activates virus by cleaving hemagglutinin (HA) into HA1 and HA2 subunits. We mimicked the passage of viruses through the gastrointestinal tract by treating them with digestive fluids from chicken and determined titers and integrity of HA by western-blot. Gizzard fluid completely inactivated virions and degrades HA even at a high dilution, but only if the pH was kept acidic. If the fluid is diluted with neutral buffer (mimicking virus uptake with seawater) particles were more resistant. Virions containing an uncleaved HA were even activated suggesting that gastric juice contains a trypsin-like protease. Undiluted intestinal fluid inactivated particles and destroyed HA, but diluted fluid activated virions. A virus isolated from the duck´s intestine is more tolerant against intestinal fluid compared to fowl plague virus suggesting that the former is better adapted to grow in the intestine. We also demonstrate that influenza viruses replicate to high titers in a novel chicken epithelial gut cell line. While viruses with a monobasic HA cleavage site require addition of trypsin, these cells effectively process HA with a polybasic cleavage site, which could be blocked with an inhibitor of the cellular furin protease.
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Affiliation(s)
- Xuejiao Han
- Freie Universität Berlin, Faculty of Veterinary Medicine, Institute of Virology, Robert-von-Ostertag-Str. 7-13, Berlin, 14163, Germany
| | - Luca D Bertzbach
- Freie Universität Berlin, Faculty of Veterinary Medicine, Institute of Virology, Robert-von-Ostertag-Str. 7-13, Berlin, 14163, Germany
| | - Michael Veit
- Freie Universität Berlin, Faculty of Veterinary Medicine, Institute of Virology, Robert-von-Ostertag-Str. 7-13, Berlin, 14163, Germany.
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24
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Douglas KO, Samuels TA, Gittens-St Hilaire M. Serum LPS Associated with Hantavirus and Dengue Disease Severity in Barbados. Viruses 2019; 11:v11090838. [PMID: 31505806 PMCID: PMC6783883 DOI: 10.3390/v11090838] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 12/25/2022] Open
Abstract
Hantavirus and dengue virus (DENV) infections are caused by RNA viruses which infect immune systems’ cells including monocytes, macrophages and dendritic cells and occur year-round in Barbados. A retrospective serological study (2008–2015) was conducted on hantavirus and dengue patient sera confirmed by IgM and IgG ELISA, NS1 and RT-PCR using Limulus amoebocyte lysate (LAL) kinetic turbidimetric method to determine serum endotoxin levels. Hantavirus patients were categorized into two groups, namely (a) hospitalized and (b) non-hospitalized. Dengue patients were categorized into 3 groups using 2009 WHO dengue guidelines (a) severe dengue (SD), (b) hospitalized non-severe dengue (non-SD) and (c) non-hospitalized non-SD. Statistical analyses were conducted to determine the association of endotoxin levels with hantavirus disease severity based on hospitalization and dengue disease severity. Serum endotoxin levels are associated with hantavirus disease severity and hospitalization and dengue disease severity (p < 0.01). Similar studies have found an association of serum endotoxin levels with dengue disease severity but never with hantavirus infection. Co-detection of hantavirus- and DENV-specific IgM in some patients were observed with elevated serum endotoxin levels. In addition, previous studies observed hantavirus replication in the gut of patients, gastrointestinal tract as a possible entry route of infection and evidence of microbial translocation and its impact on hantavirus disease severity. A significant correlation of serum endotoxin and hantavirus disease severity and hospitalization in hantavirus infected patients is reported for the first time ever. In addition, serum endotoxin levels correlated with dengue disease severity. This study adds further support to the role of endotoxin in both hantavirus and dengue virus infection and disease severity and its role as a possible therapeutic target for viral haemorrhagic fevers (VHFs).
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Affiliation(s)
- Kirk Osmond Douglas
- Faculty of Medical Sciences, University of the West Indies, Cave Hill, BB11000 St. Michael, Barbados.
| | - Thelma Alafia Samuels
- Faculty of Medical Sciences, University of the West Indies, Cave Hill, BB11000 St. Michael, Barbados.
- George Alleyne Chronic Disease Research Centre (GA-CDRC), University of the West Indies, Cave Hill, BB11000 St. Michael, Barbados.
| | - Marquita Gittens-St Hilaire
- Faculty of Medical Sciences, University of the West Indies, Cave Hill, BB11000 St. Michael, Barbados.
- Best-Dos Santos Public Health Laboratory, University of the West Indies, Cave Hill, BB11000 St. Michael, Barbados.
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25
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Mittler E, Dieterle ME, Kleinfelter LM, Slough MM, Chandran K, Jangra RK. Hantavirus entry: Perspectives and recent advances. Adv Virus Res 2019; 104:185-224. [PMID: 31439149 DOI: 10.1016/bs.aivir.2019.07.002] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Hantaviruses are important zoonotic pathogens of public health importance that are found on all continents except Antarctica and are associated with hemorrhagic fever with renal syndrome (HFRS) in the Old World and hantavirus pulmonary syndrome (HPS) in the New World. Despite the significant disease burden they cause, no FDA-approved specific therapeutics or vaccines exist against these lethal viruses. The lack of available interventions is largely due to an incomplete understanding of hantavirus pathogenesis and molecular mechanisms of virus replication, including cellular entry. Hantavirus Gn/Gc glycoproteins are the only viral proteins exposed on the surface of virions and are necessary and sufficient to orchestrate virus attachment and entry. In vitro studies have implicated integrins (β1-3), DAF/CD55, and gC1qR as candidate receptors that mediate viral attachment for both Old World and New World hantaviruses. Recently, protocadherin-1 (PCDH1) was demonstrated as a requirement for cellular attachment and entry of New World hantaviruses in vitro and lethal HPS in vivo, making it the first clade-specific host factor to be identified. Attachment of hantavirus particles to cellular receptors induces their internalization by clathrin-mediated, dynamin-independent, or macropinocytosis-like mechanisms, followed by particle trafficking to an endosomal compartment where the fusion of viral and endosomal membranes can occur. Following membrane fusion, which requires cholesterol and acid pH, viral nucleocapsids escape into the cytoplasm and launch genome replication. In this review, we discuss the current mechanistic understanding of hantavirus entry, highlight gaps in our existing knowledge, and suggest areas for future inquiry.
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Affiliation(s)
- Eva Mittler
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Maria Eugenia Dieterle
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Lara M Kleinfelter
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Megan M Slough
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Kartik Chandran
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States.
| | - Rohit K Jangra
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, United States.
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26
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The Needs for Developing Experiments on Reservoirs in Hantavirus Research: Accomplishments, Challenges and Promises for the Future. Viruses 2019; 11:v11070664. [PMID: 31331096 PMCID: PMC6669540 DOI: 10.3390/v11070664] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 07/09/2019] [Accepted: 07/18/2019] [Indexed: 12/29/2022] Open
Abstract
Due to their large geographic distribution and potential high mortality rates in human infections, hantaviruses constitute a worldwide threat to public health. As such, they have been the subject of a large array of clinical, virological and eco-evolutionary studies. Many experiments have been conducted in vitro or on animal models to identify the mechanisms leading to pathogenesis in humans and to develop treatments of hantavirus diseases. Experimental research has also been dedicated to the understanding of the relationship between hantaviruses and their reservoirs. However, these studies remain too scarce considering the diversity of hantavirus/reservoir pairs identified, and the wide range of issues that need to be addressed. In this review, we present a synthesis of the experimental studies that have been conducted on hantaviruses and their reservoirs. We aim at summarizing the knowledge gathered from this research, and to emphasize the gaps that need to be filled. Despite the many difficulties encountered to carry hantavirus experiments, we advocate for the need of such studies in the future, at the interface of evolutionary ecology and virology. They are critical to address emerging areas of research, including hantavirus evolution and the epidemiological consequences of individual variation in infection outcomes.
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27
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Perley CC, Brocato RL, Kwilas SA, Daye S, Moreau A, Nichols DK, Wetzel KS, Shamblin J, Hooper JW. Three asymptomatic animal infection models of hemorrhagic fever with renal syndrome caused by hantaviruses. PLoS One 2019; 14:e0216700. [PMID: 31075144 PMCID: PMC6510444 DOI: 10.1371/journal.pone.0216700] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 04/26/2019] [Indexed: 12/22/2022] Open
Abstract
Hantaan virus (HTNV) and Puumala virus (PUUV) are rodent-borne hantaviruses that are the primary causes of hemorrhagic fever with renal syndrome (HFRS) in Europe and Asia. The development of well characterized animal models of HTNV and PUUV infection is critical for the evaluation and the potential licensure of HFRS vaccines and therapeutics. In this study we present three animal models of HTNV infection (hamster, ferret and marmoset), and two animal models of PUUV infection (hamster, ferret). Infection of hamsters with a ~3 times the infectious dose 99% (ID99) of HTNV by the intramuscular and ~1 ID99 of HTNV by the intranasal route leads to a persistent asymptomatic infection, characterized by sporadic viremia and high levels of viral genome in the lung, brain and kidney. In contrast, infection of hamsters with ~2 ID99 of PUUV by the intramuscular or ~1 ID99 of PUUV by the intranasal route leads to seroconversion with no detectable viremia, and a transient detection of viral genome. Infection of ferrets with a high dose of either HTNV or PUUV by the intramuscular route leads to seroconversion and gradual weight loss, though kidney function remained unimpaired and serum viremia and viral dissemination to organs was not detected. In marmosets a 1,000 PFU HTNV intramuscular challenge led to robust seroconversion and neutralizing antibody production. Similarly to the ferret model of HTNV infection, no renal impairment, serum viremia or viral dissemination to organs was detected in marmosets. This is the first report of hantavirus infection in ferrets and marmosets.
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Affiliation(s)
- Casey C. Perley
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
| | - Rebecca L. Brocato
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
| | - Steven A. Kwilas
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
| | - Sharon Daye
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
| | - Alicia Moreau
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
| | - Donald K. Nichols
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
| | - Kelly S. Wetzel
- Molecular and Translational Sciences Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
| | - Joshua Shamblin
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
| | - Jay W. Hooper
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Ft. Detrick, Maryland, United States of America
- * E-mail:
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28
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Girling SJ, McElhinney LM, Fraser MA, Gow D, Pizzi R, Naylor A, Cole G, Brown D, Rosell F, Schwab G, Campbell-Palmer R. Absence of hantavirus in water voles and Eurasian beavers in Britain. Vet Rec 2019; 184:253. [DOI: 10.1136/vr.105246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 01/06/2019] [Indexed: 12/23/2022]
Affiliation(s)
| | - Lorraine M McElhinney
- Wildlife Zoonoses and Vector Borne Disease Research Group; Animal and Plant Health Agency (APHA); New Haw UK
| | | | | | - Romain Pizzi
- Veterinary Department; Royal Zoological Society of Scotland; Edinburgh UK
| | - Adam Naylor
- Veterinary Department; Royal Zoological Society of Scotland; Edinburgh UK
| | - Georgina Cole
- Veterinary Department; Royal Zoological Society of Scotland; Edinburgh UK
| | - Donna Brown
- Veterinary Department; Royal Zoological Society of Scotland; Edinburgh UK
| | - Frank Rosell
- Faculty of Arts and Sciences, Department of Environmental Health Studies; Telemark University College; Bø Norway
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29
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Klempa B. Reassortment events in the evolution of hantaviruses. Virus Genes 2018; 54:638-646. [PMID: 30047031 PMCID: PMC6153690 DOI: 10.1007/s11262-018-1590-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 07/17/2018] [Indexed: 12/24/2022]
Abstract
Hantaviruses (order Bunyavirales, family Hantaviridae), known as important zoonotic human pathogens, possess the capacity to exchange genome segments via genetic reassortment due to their tri-segmented genome. Although not as frequent as in the arthropod-borne bunyaviruses, reports indicating reassortment events in the evolution of hantaviruses have been recently accumulating. The intra- and inter-lineage reassortment between closely related variants has been repeatedly reported for several hantaviruses including the rodent-borne human pathogens such as Sin Nombre virus, Puumala virus, Dobrava-Belgrade virus, or Hantaan virus as well as for the more recently recognized shrew-borne hantaviruses, Imjin and Seewis. Reassortment between more distantly related viruses was rarely found but seems to play a beneficial role in the process of crossing the host species barriers. Besides the findings based on phylogenetic studies of naturally occurring strains, hantavirus reassortants were generated also in in vitro studies. Interestingly, only reassortants with exchanged M segments could be generated suggesting that a high degree of genetic compatibility is required for the S and L segments while the exchange of M segment is better tolerated or is particularly beneficial. Altogether, the numerous reports on hantavirus reassortment, summarized in this review, clearly demonstrate that reassortment events play a significant role in hantavirus evolution and contributed to the currently recognized hantavirus diversity.
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Affiliation(s)
- Boris Klempa
- Biomedical Research Center, Institute of Virology, Slovak Academy of Sciences, Bratislava, Slovakia. .,Institute of Virology, Charité University Hospital, Helmut-Ruska-Haus, Berlin, Germany.
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30
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Reuter M, Krüger DH. The nucleocapsid protein of hantaviruses: much more than a genome-wrapping protein. Virus Genes 2017; 54:5-16. [PMID: 29159494 DOI: 10.1007/s11262-017-1522-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 11/11/2017] [Indexed: 12/11/2022]
Abstract
The nucleocapsid (N) protein of hantaviruses represents an impressive example of a viral multifunctional protein. It encompasses properties as diverse as genome packaging, RNA chaperoning, intracellular protein transport, DNA degradation, intervention in host translation, and restricting host immune responses. These functions all rely on the capability of N to interact with RNA and other viral and cellular proteins. We have compiled data on the N protein of different hantavirus species together with information of the recently published three-dimensional structural data of the protein. The array of diverse functional activities accommodated in the hantaviral N protein goes far beyond to be a static structural protein and makes it an interesting target in the development of antiviral therapeutics.
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Affiliation(s)
- Monika Reuter
- Institute of Virology, Helmut-Ruska-Haus, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117, Berlin, Germany.
| | - Detlev H Krüger
- Institute of Virology, Helmut-Ruska-Haus, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117, Berlin, Germany
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