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Kanda T, Sasaki-Tanaka R, Ishii K, Suzuki R, Inoue J, Tsuchiya A, Nakamoto S, Abe R, Fujiwara K, Yokosuka O, Li TC, Kunita S, Yotsuyanagi H, Okamoto H. Recent advances in hepatitis A virus research and clinical practice guidelines for hepatitis A virus infection in Japan. Hepatol Res 2024; 54:4-23. [PMID: 37906585 DOI: 10.1111/hepr.13983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/06/2023] [Accepted: 10/23/2023] [Indexed: 11/02/2023]
Abstract
In 2018, there was a hepatitis A outbreak in Japan, and hepatitis A virus (HAV) infection is considered a sexually transmitted disease. In general, patients with hepatitis A should be given attention, and this disease should be prevented more than ever. The Japan Agency for Medical Research and Development (AMED) Hepatitis A and E viruses (HAV and HEV) Study Group has worked on the project to create "Recent Advances in Hepatitis A Virus (HAV) Research and Clinical Practice Guidelines for HAV Infection in Japan". The group consists of expert hepatologists and virologists who gathered at virtual meeting on August 5, 2023. Data about the pathogenesis, infection routes, diagnosis, complications, several factors for the severities, vaccination, and current and future treatments for hepatitis A were discussed and debated for a draft version. The participants assessed the quality of cited studies. The finalized recommendations are presented in this review. The recent advances in HAV research and clinical practice for HAV infection in Japan, have been reviewed by the AMED HAV and HEV Study Group.
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Affiliation(s)
- Tatsuo Kanda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Reina Sasaki-Tanaka
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Koji Ishii
- Department of Quality Assurance and Radiological Protection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Ryosuke Suzuki
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Jun Inoue
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Atsunori Tsuchiya
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Shingo Nakamoto
- Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Ryuzo Abe
- Department of Emergency Medicine, Oita University, Yufu, Oita, Japan
| | - Keiichi Fujiwara
- Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Osamu Yokosuka
- Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Tian-Cheng Li
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Satoshi Kunita
- Center for Experimental Medicine, Jichi Medical University School of Medicine, Shimotsuke, Tochigi, Japan
| | - Hiroshi Yotsuyanagi
- Division of Infectious Diseases, Advanced Clinical Research Center, Institute of Medical Science, University of Tokyo, Tokyo, Japan
- Department of Infectious Diseases and Applied Immunology, Hospital of the Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Hiroaki Okamoto
- Division of Virology, Department of Infection and Immunity, Jichi Medical University School of Medicine, Shimotsuke, Tochigi, Japan
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Kim J, Park K, Kim K, Noh J, Kim SG, Yang E, Cho HK, Lee SH, No JS, Lee GY, Lee D, Song DH, Gu SH, Park MS, Cho NH, Jeong ST, Kim WK, Song JW. High-resolution phylogeographical surveillance of Hantaan orthohantavirus using rapid amplicon-based Flongle sequencing, Republic of Korea. J Med Virol 2024; 96:e29346. [PMID: 38178580 DOI: 10.1002/jmv.29346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/04/2023] [Accepted: 12/14/2023] [Indexed: 01/06/2024]
Abstract
Orthohantaviruses, etiological agents of hemorrhagic fever with renal syndrome (HFRS) and hantavirus cardiopulmonary syndrome, pose a critical public health threat worldwide. Hantaan orthohantavirus (HTNV) outbreaks are particularly endemic in Gyeonggi Province in northern area of the Republic of Korea (ROK). Small mammals were collected from three regions in the Gyeonggi Province during 2017 and 2018. Serological and molecular prevalence of HTNV was 25/201 (12.4%) and 10/25 (40%), respectively. A novel nanopore-based diagnostic assay using a cost-efficient Flongle chip was developed to rapidly and sensitively detect HTNV infection in rodent specimens within 3 h. A rapid phylogeographical surveillance of HTNV at high-resolution phylogeny was established using the amplicon-based Flongle sequencing. In total, seven whole-genome sequences of HTNV were newly obtained from wild rodents collected in Paju-si (Gaekhyeon-ri) and Yeoncheon-gun (Hyeonga-ri and Wangnim-ri), Gyeonggi Province. Phylogenetic analyses revealed well-supported evolutionary divergence and genetic diversity, enhancing the resolution of the phylogeographic map of orthohantaviruses in the ROK. Incongruences in phylogenetic patterns were identified among HTNV tripartite genomes, suggesting differential evolution for each segment. These findings provide crucial insights into on-site diagnostics, genome-based surveillance, and the evolutionary dynamics of orthohantaviruses to mitigate hantaviral outbreaks in HFRS-endemic areas in the ROK.
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Affiliation(s)
- Jongwoo Kim
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
- BK21 Graduate Program, Korea University College of Medicine, Seoul, Republic of Korea
| | - Kyungmin Park
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
- BK21 Graduate Program, Korea University College of Medicine, Seoul, Republic of Korea
| | - Kijin Kim
- Centre for Infectious Disease Genomics and One Health, Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
- Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Juyoung Noh
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
- BK21 Graduate Program, Korea University College of Medicine, Seoul, Republic of Korea
| | - Seong-Gyu Kim
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
- BK21 Graduate Program, Korea University College of Medicine, Seoul, Republic of Korea
| | - Eunyoung Yang
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
- BK21 Graduate Program, Korea University College of Medicine, Seoul, Republic of Korea
| | - Hee-Kyung Cho
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
- BK21 Graduate Program, Korea University College of Medicine, Seoul, Republic of Korea
| | - Seung-Ho Lee
- Chem-Bio Technology Center, Agency for Defense Development, Daejeon, Republic of Korea
| | - Jin Sun No
- Division of High-Risk Pathogens, Bureau of Infectious Diseases Diagnosis Control, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea
| | - Geum-Young Lee
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
| | - Daesang Lee
- Chem-Bio Technology Center, Agency for Defense Development, Daejeon, Republic of Korea
| | - Dong-Hyun Song
- Chem-Bio Technology Center, Agency for Defense Development, Daejeon, Republic of Korea
| | - Se Hun Gu
- Chem-Bio Technology Center, Agency for Defense Development, Daejeon, Republic of Korea
| | - Man-Seong Park
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
- BK21 Graduate Program, Korea University College of Medicine, Seoul, Republic of Korea
- Department of Microbiology, Institute for Viral Diseases, College of Medicine, Korea University, Seoul, Republic of Korea
| | - Nam-Hyuk Cho
- Department of Microbiology and Immunology, College of Medicine, Seoul National University, Seoul, Republic of Korea
- Department of Biomedical Sciences, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Seong Tae Jeong
- Chem-Bio Technology Center, Agency for Defense Development, Daejeon, Republic of Korea
| | - Won-Keun Kim
- Department of Microbiology, Hallym University, Chuncheon, Republic of Korea
- Institute of Medical Research, Hallym University, Chuncheon, Republic of Korea
| | - Jin-Won Song
- Department of Microbiology, Korea University College of Medicine, Seoul, Republic of Korea
- BK21 Graduate Program, Korea University College of Medicine, Seoul, Republic of Korea
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