1
|
Inoue Y, Kaku Y, Harada M, Ishijima K, Kuroda Y, Tatemoto K, Virhuez-Mendoza M, Nishino A, Yamamoto T, Inoue S, Matsuu A, Maeda K. Cross-Neutralization Activities of Antibodies against 18 Lyssavirus Glycoproteins. Jpn J Infect Dis 2024; 77:169-173. [PMID: 38171846 DOI: 10.7883/yoken.jjid.2023.400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Some lyssaviruses, including the rabies virus (RABV), cause lethal neurological symptoms in humans. However, the efficacy of commercial vaccines has only been evaluated against RABV. To assess cross-reactivity among lyssaviruses, including RABV, sera from rabbits inoculated with human and animal RABV vaccines and polyclonal antibodies from rabbits immunized with expression plasmids of the glycoproteins of all 18 lyssaviruses were prepared, and cross-reactivity was evaluated via virus-neutralization tests using Duvenhage lyssavirus (DUVV), European bat lyssavirus-1 (EBLV-1), Mokola lyssavirus (MOKV), Lagos bat lyssavirus (LBV), and RABV. The sera from rabbits inoculated with RABV vaccines showed cross-reactivity with EBLV-1 and DUVV, both belonging to phylogroup I. However, reactivity with MOKV and LBV in phylogroup II was notably limited or below the detection level. Next, we compared the cross-reactivity of the polyclonal antibodies against all lyssavirus glycoproteins. Polyclonal antibodies had high virus-neutralization titers against the same phylogroup but not different phylogroups. Our findings indicate that a new vaccine should be developed for pre- and post-exposure prophylaxis against lyssaviral infections.
Collapse
Affiliation(s)
- Yusuke Inoue
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Yoshihiro Kaku
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Michiko Harada
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | | | - Ayano Nishino
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Tsukasa Yamamoto
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Satoshi Inoue
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Aya Matsuu
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| | - Ken Maeda
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Japan
| |
Collapse
|
2
|
Kobayashi D, Inoue Y, Suzuki R, Matsuda M, Shimoda H, Faizah AN, Kaku Y, Ishijima K, Kuroda Y, Tatemoto K, Virhuez-Mendoza M, Harada M, Nishino A, Inumaru M, Yonemitsu K, Kuwata R, Takano A, Watanabe M, Higa Y, Sawabe K, Maeda K, Isawa H. Identification and epidemiological study of an uncultured flavivirus from ticks using viral metagenomics and pseudoinfectious viral particles. Proc Natl Acad Sci U S A 2024; 121:e2319400121. [PMID: 38687787 PMCID: PMC11087778 DOI: 10.1073/pnas.2319400121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 03/20/2024] [Indexed: 05/02/2024] Open
Abstract
During their blood-feeding process, ticks are known to transmit various viruses to vertebrates, including humans. Recent viral metagenomic analyses using next-generation sequencing (NGS) have revealed that blood-feeding arthropods like ticks harbor a large diversity of viruses. However, many of these viruses have not been isolated or cultured, and their basic characteristics remain unknown. This study aimed to present the identification of a difficult-to-culture virus in ticks using NGS and to understand its epidemic dynamics using molecular biology techniques. During routine tick-borne virus surveillance in Japan, an unknown flaviviral sequence was detected via virome analysis of host-questing ticks. Similar viral sequences have been detected in the sera of sika deer and wild boars in Japan, and this virus was tentatively named the Saruyama virus (SAYAV). Because SAYAV did not propagate in any cultured cells tested, single-round infectious virus particles (SRIP) were generated based on its structural protein gene sequence utilizing a yellow fever virus-based replicon system to understand its nationwide endemic status. Seroepidemiological studies using SRIP as antigens have demonstrated the presence of neutralizing antibodies against SAYAV in sika deer and wild boar captured at several locations in Japan, suggesting that SAYAV is endemic throughout Japan. Phylogenetic analyses have revealed that SAYAV forms a sister clade with the Orthoflavivirus genus, which includes important mosquito- and tick-borne pathogenic viruses. This shows that SAYAV evolved into a lineage independent of the known orthoflaviviruses. This study demonstrates a unique approach for understanding the epidemiology of uncultured viruses by combining viral metagenomics and pseudoinfectious viral particles.
Collapse
Affiliation(s)
- Daisuke Kobayashi
- Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Management Department of Biosafety, Laboratory Animal, and Pathogen Bank, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| | - Yusuke Inoue
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Ryosuke Suzuki
- Department of Virology II, National Institute of Infectious Diseases, Musashimurayama City, Tokyo208-0011, Japan
| | - Mami Matsuda
- Department of Virology II, National Institute of Infectious Diseases, Musashimurayama City, Tokyo208-0011, Japan
| | - Hiroshi Shimoda
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Astri Nur Faizah
- Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| | - Yoshihiro Kaku
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Milagros Virhuez-Mendoza
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Michiko Harada
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Ayano Nishino
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Mizue Inumaru
- Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| | - Kenzo Yonemitsu
- Management Department of Biosafety, Laboratory Animal, and Pathogen Bank, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Ryusei Kuwata
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
- Faculty of Veterinary Medicine, Okayama University of Science, Imabari City, Ehime794-8555, Japan
| | - Ai Takano
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Mamoru Watanabe
- Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| | - Yukiko Higa
- Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| | - Kyoko Sawabe
- Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Management Department of Biosafety, Laboratory Animal, and Pathogen Bank, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi City, Yamaguchi753-8515, Japan
| | - Haruhiko Isawa
- Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo162-8640, Japan
| |
Collapse
|
3
|
Inoue Y, Kaku Y, Harada M, Ishijima K, Kuroda Y, Tatemoto K, Virhuez-Mendoza M, Nishino A, Yamamoto T, Park ES, Inoue S, Matsuu A, Maeda K. Establishment of serological neutralizing tests using pseudotyped viruses for comprehensive detection of antibodies against all 18 lyssaviruses. J Vet Med Sci 2024; 86:128-134. [PMID: 38092389 PMCID: PMC10849863 DOI: 10.1292/jvms.23-0463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 11/18/2023] [Indexed: 01/30/2024] Open
Abstract
Rabies is a fatal zoonotic, neurological disease caused by rabies lyssavirus (RABV) and other lyssaviruses. In this study, we established novel serological neutralizing tests (NT) based on vesicular stomatitis virus pseudotypes possessing all 18 known lyssavirus glycoproteins. Applying this system to comparative NT against rabbit sera immunized with current RABV vaccines, we showed that the current RABV vaccines fail to elicit sufficient neutralizing antibodies against lyssaviruses other than to those in phylogroup I. Furthermore, comparative NT against rabbit antisera for 18 lyssavirus glycoproteins showed glycoproteins of some lyssaviruses elicited neutralizing antibodies against a broad range of lyssaviruses. This novel testing system will be useful to comprehensively detect antibodies against lyssaviruses and evaluate their cross-reactivities for developing a future broad-protective vaccine.
Collapse
Affiliation(s)
- Yusuke Inoue
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yoshihiro Kaku
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Michiko Harada
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | | | - Ayano Nishino
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Tsukasa Yamamoto
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Eun-Sil Park
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Satoshi Inoue
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Aya Matsuu
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Ken Maeda
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| |
Collapse
|
4
|
Yamada S, Katano H, Sato Y, Suzuki T, Uda A, Ishijima K, Suzuki M, Yamada D, Harada S, Kinoshita H, Nguyen PHA, Ebihara H, Maeda K, Saijo M, Fukushi S. Macacine alphaherpesvirus 1 (B Virus) Infection in Humans, Japan, 2019. Emerg Infect Dis 2024; 30:177-179. [PMID: 38086399 PMCID: PMC10756385 DOI: 10.3201/eid3001.230435] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2023] Open
Abstract
Two human patients with Macacine alphaherpesvirus 1 infection were identified in Japan in 2019. Both patients had worked at the same company, which had a macaque facility. The rhesus-genotype B virus genome was detected in cerebrospinal fluid samples from both patients.
Collapse
|
5
|
Ishijima K, Phichitraslip T, Naimon N, Ploypichai P, Kriebkajon B, Chinarak T, Sridaphan J, Kritiyakan A, Prasertsincharoen N, Jittapalapong S, Tangcham K, Rerkamnuaychoke W, Kuroda Y, Taira M, Tatemoto K, Park E, Virhuez-Mendoza M, Inoue Y, Harada M, Yamamoto T, Nishino A, Matsuu A, Maeda K. High Seroprevalence of Severe Fever with Thrombocytopenia Syndrome Virus Infection among the Dog Population in Thailand. Viruses 2023; 15:2403. [PMID: 38140644 PMCID: PMC10747823 DOI: 10.3390/v15122403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Severe fever with thrombocytopenia syndrome (SFTS) is an emerging tick-borne zoonotic disease caused by the SFTS virus (SFTSV). In Thailand, three human cases of SFTS were reported in 2019 and 2020, but there was no report of SFTSV infection in animals. Our study revealed that at least 16.6% of dogs in Thailand were seropositive for SFTSV infection, and the SFTSV-positive dogs were found in several districts in Thailand. Additionally, more than 70% of the serum samples collected at one shelter possessed virus-neutralization antibodies against SFTSV and the near-complete genome sequences of the SFTSV were determined from one dog in the shelter. The dog SFTSV was genetically close to those from Thailand and Chinese patients and belonged to genotype J3. These results indicated that SFTSV has already spread among animals in Thailand.
Collapse
Affiliation(s)
- Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
| | - Thanmaporn Phichitraslip
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Nattakarn Naimon
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Preeyaporn Ploypichai
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Benyapa Kriebkajon
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Torntun Chinarak
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Jirasin Sridaphan
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Anamika Kritiyakan
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Noppadol Prasertsincharoen
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Sathaporn Jittapalapong
- Faculty of Veterinary Technology, Kasetsart University, Bangkok 10900, Thailand; (T.P.); (N.N.); (P.P.); (B.K.); (T.C.); (J.S.); (A.K.); (N.P.); (S.J.)
| | - Kanate Tangcham
- Office of Veterinary Public Health, Department of Health, Bangkok 10400, Thailand;
| | - Worawut Rerkamnuaychoke
- Faculty of Veterinary Medicine, Rajamangala University of Technology Tawan-ok, Chonburi 20110, Thailand;
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
| | - Masakatsu Taira
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
| | - Eunsil Park
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
| | - Milagros Virhuez-Mendoza
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
| | - Yusuke Inoue
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi 753-8515, Japan
| | - Michiko Harada
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi 753-8515, Japan
| | - Tsukasa Yamamoto
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi 753-8515, Japan
| | - Ayano Nishino
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi 753-8515, Japan
| | - Aya Matsuu
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Tokyo 162-8640, Japan; (K.I.); (Y.K.); (M.T.); (K.T.); (E.P.); (M.V.-M.); (Y.I.); (M.H.); (T.Y.); (A.N.); (A.M.)
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi 753-8515, Japan
| |
Collapse
|
6
|
Kuroda Y, Watanabe K, Yamamoto T, Suzuki H, Park ES, Ishijima K, Tatemoto K, Virhuez-Mendoza M, Inoue Y, Harada M, Nishino A, Sekizuka T, Kuroda M, Fujimoto T, Ishihara G, Horie R, Kawamoto K, Maeda K. Pet Animals Were Infected with SARS-CoV-2 from Their Owners Who Developed COVID-19: Case Series Study. Viruses 2023; 15:2028. [PMID: 37896805 PMCID: PMC10612050 DOI: 10.3390/v15102028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 09/12/2023] [Accepted: 09/26/2023] [Indexed: 10/29/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection among pets owned by coronavirus disease 2019 (COVID-19) patients has been reported around the world. However, how often the animals are exposed to SARS-CoV-2 by their owners is still unclear. We have collected swab samples from COVID-19 patients' pets and performed real-time RT-PCR to detect the viral genome. In total, 8 of 53 dogs (15.1%) and 5 of 34 cats (14.7%) tested positive for the SARS-CoV-2 N gene. The result of a virus neutralization (VN) test also showed VN antibodies in four cats and six dogs. Our results indicate that the virus often passed from infected owners to their pets, which then excreted the virus despite having no or mild clinical signs.
Collapse
Affiliation(s)
- Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Kei Watanabe
- Anicom Specialty Medical Institute Inc., Nishi-shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Tsukasa Yamamoto
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Hiroki Suzuki
- Anicom Specialty Medical Institute Inc., Nishi-shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Eun-sil Park
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Milagros Virhuez-Mendoza
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Yusuke Inoue
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yoshida, Yamaguchi 753-8515, Japan
| | - Michiko Harada
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yoshida, Yamaguchi 753-8515, Japan
| | - Ayano Nishino
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yoshida, Yamaguchi 753-8515, Japan
| | - Tsuyoshi Sekizuka
- Pathogen Genomics Center, NIID, Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Makoto Kuroda
- Pathogen Genomics Center, NIID, Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Tsuguto Fujimoto
- Department of Fungal Infection, NIID, Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Genki Ishihara
- Anicom Specialty Medical Institute Inc., Nishi-shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Ryo Horie
- Anicom Specialty Medical Institute Inc., Nishi-shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Kosuke Kawamoto
- Anicom Specialty Medical Institute Inc., Nishi-shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases (NIID), Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yoshida, Yamaguchi 753-8515, Japan
| |
Collapse
|
7
|
Ishijima K, Yokono K, Park E, Taira M, Tatemoto K, Kuroda Y, Mendoza MV, Inoue Y, Harada M, Matsuu A, Morikawa S, Fukushi S, Maeda K. Simple and rapid detection of severe fever with thrombocytopenia syndrome virus in cats by reverse transcription-loop-mediated isothermal amplification (RT-LAMP) assay using a dried reagent. J Vet Med Sci 2023; 85:329-333. [PMID: 36653150 PMCID: PMC10076197 DOI: 10.1292/jvms.22-0523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Severe fever with thrombocytopenia syndrome virus (SFTSV) causes lethal hemorrhagic diseases in human, cats, and dogs. Several human cases involving direct transmission of SFTSV from diseased animals have been reported. Therefore, rapid diagnosis in veterinary clinics is important for preventing animal-to-human transmission. Previously, we developed a simplified reverse transcription-loop-mediated isothermal amplification (RT-LAMP) assay for human that does not require RNA extraction for detecting the SFTSV genome. In this study, we improved the simplified RT-LAMP assay for cats by introducing a dried reaction reagent and investigated the applicability of this method for diagnosing SFTS in cats. SFTSV RNA was detected in 11 of 12 cats naturally infected with SFTSV by RT-LAMP assay using both liquid and dried reagents. The RT-LAMP assay using liquid and dried reagents was also applicable to the detection of SFTSV genes 3-4 days after challenge in cats experimentally infected with SFTSV. The minimum copy number of SFTSV genes for 100% detection using the RT-LAMP assay with liquid and dried reagents was 4.3 × 104 and 9.6 × 104 copies/mL, respectively. Although the RT-LAMP assay using the dried reagent was less sensitive than that using the liquid reagent, it was sufficiently sensitive to detect SFTSV genes in cats with acute-phase SFTS. As the simplified RT-LAMP assay using a dried reagent enables detection of SFTSV genes more readily than the assay using a liquid reagent, it is applicable for use in veterinary clinics.
Collapse
Affiliation(s)
- Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | | | - Eunsil Park
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Masakatsu Taira
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan.,Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Japan
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Milagros Virhuez Mendoza
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan.,Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Japan
| | - Yusuke Inoue
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan.,Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Japan
| | - Michiko Harada
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan.,Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Japan
| | - Aya Matsuu
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Shigeru Morikawa
- Faculty of Veterinary Medicine, Okayama University of Science, Ehime, Japan
| | - Shuetsu Fukushi
- Department of Virology 1, National Institute of Infectious Diseases, Tokyo, Japan
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan.,Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Japan
| |
Collapse
|
8
|
Matsuu A, Doi K, Ishijima K, Tatemoto K, Koshida Y, Yoshida A, Kiname K, Iwashita A, Hayama SI, Maeda K. Increased Risk of Infection with Severe Fever with Thrombocytopenia Virus among Animal Populations on Tsushima Island, Japan, Including an Endangered Species, Tsushima Leopard Cats. Viruses 2022; 14:v14122631. [PMID: 36560635 PMCID: PMC9781851 DOI: 10.3390/v14122631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
To investigate the seroprevalence of severe fever with thrombocytopenia syndrome (SFTS) among wild and companion animals on Tsushima Island, Japan, SFTS virus (SFTSV)-specific ELISA and virus-neutralizing tests were conducted on 50 wild boars, 71 Sika deer, 84 dogs, 323 domestic cats, and 6 Tsushima leopard cats. In total, 1 wild boar (1.8%), 2 dogs (2.4%), 7 domestic cats (2.2%), and 1 Tsushima leopard cat (16.7%) were positive for anti-SFTSV antibodies. Among the 11 positive animals, 10 were collected after 2019, and all were found on the southern part of the island. SFTSV, thus far, seems to be circulating within a limited area of Tsushima Island. To protect humans and animals, including endangered Tsushima leopard cats, from SFTSV infection, countermeasures are needed to prevent the spread of SFTSV on Tsushima Island.
Collapse
Affiliation(s)
- Aya Matsuu
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Transboundary Animal Diseases Research Center, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Kandai Doi
- Laboratory of Wildlife Medicine, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonancho, Musashino, Tokyo 180-8602, Japan
- Department of Wildlife Biology, Forestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba 305-8687, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Yushi Koshida
- Conservation and Animal Welfare Trust, Tsushima, 642-2 Kamiagata, Tsushima, Nagasaki 817-1602, Japan
| | - Ayako Yoshida
- Center for Animal Disease Control, Kibana Campus, University of Miyazaki, 1-1 Gakuen-kibanadai-nishi, Miyazaki 889-2192, Japan
| | - Kohei Kiname
- Tsushima Rangers Office, Ministry of Environment, 1249 Izuhara, Tsushima, Nagasaki 817-0154, Japan
| | - Akio Iwashita
- Tsushima Rangers Office, Ministry of Environment, 1249 Izuhara, Tsushima, Nagasaki 817-0154, Japan
| | - Shin-ichi Hayama
- Laboratory of Wildlife Medicine, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonancho, Musashino, Tokyo 180-8602, Japan
- Correspondence: (S.-i.H.); (K.M.)
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Correspondence: (S.-i.H.); (K.M.)
| |
Collapse
|
9
|
Ishijima K, Tatemoto K, Park E, Kimura M, Fujita O, Taira M, Kuroda Y, Mendoza MV, Inoue Y, Harada M, Matsuu A, Shimoda H, Kuwata R, Morikawa S, Maeda K. Lethal Disease in Dogs Naturally Infected with Severe Fever with Thrombocytopenia Syndrome Virus. Viruses 2022; 14:v14091963. [PMID: 36146769 PMCID: PMC9502089 DOI: 10.3390/v14091963] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
Severe fever with the thrombocytopenia syndrome virus (SFTSV) causes fatal disease in humans, cats, and cheetahs. In this study, the information on seven dogs with SFTS was summarized. All dogs showed anorexia, high fever, leukopenia, and thrombocytopenia, two dogs showed vomiting and loose stool, and five dogs had tick parasites. All dogs also had a history of outdoor activity. The SFTSV gene was detected in all dogs. Remarkably, three dogs (43%) died. SFTSV was isolated from six dogs and the complete genomes were determined. A significant increase in anti-SFTSV-IgG antibodies was observed in two dogs after recovery, and anti-SFTSV-IgM antibodies were detected in four dogs in the acute phase. Using an ELISA cut-off value of 0.410 to discriminate between SFTSV-negative and positive dogs, the detection of anti-SFTSV-IgM antibodies was useful for the diagnosis of dogs with acute-phase SFTS. Four out of the ninety-eight SFTSV-negative dogs possessed high anti-SFTSV IgG antibody titers, indicating that some dogs can recover from SFTSV infection. In conclusion, SFTSV is lethal in some dogs, but many dogs recover from SFTSV infection.
Collapse
Affiliation(s)
- Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Eunsil Park
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Masanobu Kimura
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Osamu Fujita
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Masakatsu Taira
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Milagros Virhuez Mendoza
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Yusuke Inoue
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Michiko Harada
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Aya Matsuu
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Hiroshi Shimoda
- Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Ryusei Kuwata
- Faculty of Veterinary Medicine, Okayama University of Science, 1-3 Ikoinooka, Imabari 794-8555, Japan
| | - Shigeru Morikawa
- Faculty of Veterinary Medicine, Okayama University of Science, 1-3 Ikoinooka, Imabari 794-8555, Japan
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
- Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
- Correspondence: ; Tel.: +81-3-4582-2750
| |
Collapse
|
10
|
Tatemoto K, Mendoza MV, Ishijima K, Kuroda Y, Inoue Y, Taira M, Kuwata R, Takano A, Morikawa S, Shimoda H. Risk assessment of infection with severe fever with thrombocytopenia syndrome virus based on a 10-year serosurveillance in Yamaguchi Prefecture. J Vet Med Sci 2022; 84:1142-1145. [PMID: 35793949 PMCID: PMC9412060 DOI: 10.1292/jvms.22-0255] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
In Japan, the first patient with severe fever with thrombocytopenia syndrome was reported
in Yamaguchi in 2012. To understand the severe fever with thrombocytopenia syndrome virus
(SFTSV) infection in this region, a retrospective surveillance in sika deer and wild boars
in Yamaguchi was conducted using a virus-neutralizing (VN) test. The result revealed that
510 of the 789 sika deer and 199 of the 517 wild boars were positive for anti-SFTSV
antibodies. Interestingly, seroprevalence in sika deer increased significantly from
2010–2013 to 2015–2020. The SFTSV gene was detected in one of the 229 serum samples
collected from sika deer, but not from wild boars. In conclusion, SFTSV had spread among
wild animals before 2012 and expanded gradually around 2013–2015 in Yamaguchi.
Collapse
Affiliation(s)
- Kango Tatemoto
- Joint Graduate School of Veterinary Medicine, Yamaguchi University.,Department of Veterinary Science, National Institute of Infectious Diseases
| | - Milagros Virhuez Mendoza
- Joint Graduate School of Veterinary Medicine, Yamaguchi University.,Department of Veterinary Science, National Institute of Infectious Diseases
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases
| | - Yusuke Inoue
- Joint Graduate School of Veterinary Medicine, Yamaguchi University.,Department of Veterinary Science, National Institute of Infectious Diseases
| | - Masakatsu Taira
- Department of Veterinary Science, National Institute of Infectious Diseases
| | - Ryusei Kuwata
- Faculty of Veterinary Medicine, Okayama University of Science
| | - Ai Takano
- Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | | | - Hiroshi Shimoda
- Joint Graduate School of Veterinary Medicine, Yamaguchi University
| |
Collapse
|
11
|
Tatemoto K, Ishijima K, Kuroda Y, Mendoza MV, Inoue Y, Park E, Shimoda H, Sato Y, Suzuki T, Suzuki K, Morikawa S, Maeda K. Roles of raccoons in the transmission cycle of severe fever with thrombocytopenia syndrome virus. J Vet Med Sci 2022; 84:982-991. [PMID: 35650167 PMCID: PMC9353098 DOI: 10.1292/jvms.22-0236] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The present study investigated severe fever with thrombocytopenia syndrome virus (SFTSV) infection in raccoons in Wakayama Prefecture from 2007 to 2019. To perform surveillance, an
enzyme-linked immunosorbent assay (ELISA) was established, and the sensitivity and specificity of the ELISA were 100% in comparison with a 50% focus-reduction neutralization assay. Using the
established ELISA, we performed serosurveillance of SFTSV infection in 2,299 raccoons in Tanabe region, Wakayama Prefecture from 2007 to 2019. The first anti-SFTSV-positive raccoon was
captured in October 2009. The seroprevalence of SFTSV infection was <10% between April 2009 and March 2013, 23.9% between April 2013 and March 2014, 37.5% between April, 2014 and March
2015, and over 50% from April 2015. Next, we performed detection of SFTSV genes in sera of raccoons captured in Wakayama Prefecture after April 2013. The results indicated that 2.4% of
raccoons were positive for SFTSV genes and that the frequency of SFTSV infection among raccoons between January and March (0.7%) was lower than that between April and June (3.4%). In
addition, virus genes were detected from many specimens, including sera and feces of two raccoons, and viral antigens were detected in lymphoid cells in lymphoid follicles in the colon by
immunohistochemical staining. In conclusion, SFTSV had recently invaded the area and had rapidly spread among wild animals. The first patient in this area was reported in June 2014,
indicating that raccoons are good sentinels for assessing the risk of SFTSV in humans.
Collapse
Affiliation(s)
- Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases.,Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Science, Yamaguchi University
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases
| | - Milagros Virhuez Mendoza
- Department of Veterinary Science, National Institute of Infectious Diseases.,Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Science, Yamaguchi University
| | - Yusuke Inoue
- Department of Veterinary Science, National Institute of Infectious Diseases.,Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Science, Yamaguchi University
| | - Eunsil Park
- Department of Veterinary Science, National Institute of Infectious Diseases
| | - Hiroshi Shimoda
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Science, Yamaguchi University
| | - Yuko Sato
- Department of Pathology, National Institute of Infectious Diseases
| | - Tadaki Suzuki
- Department of Pathology, National Institute of Infectious Diseases
| | | | - Shigeru Morikawa
- Department of Microbiology, Faculty of Veterinary Medicine, Okayama University of Science
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases.,Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Science, Yamaguchi University
| |
Collapse
|
12
|
Oshima H, Okumura H, Maeda K, Ishijima K, Yoshikawa T, Kurosu T, Fukushi S, Shimojima M, Saijo M. A Patient with Severe Fever with Thrombocytopenia Syndrome (SFTS) Infected from a Sick Dog with SFTS Virus Infection. Jpn J Infect Dis 2022; 75:423-426. [DOI: 10.7883/yoken.jjid.2021.796] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
| | | | - Ken Maeda
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Japan
| | - Keita Ishijima
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Japan
| | - Tomoki Yoshikawa
- Department of Virology 1, National Institute of Infectious Diseases, Japan
| | - Takeshi Kurosu
- Department of Virology 1, National Institute of Infectious Diseases, Japan
| | - Shuetsu Fukushi
- Department of Virology 1, National Institute of Infectious Diseases, Japan
| | - Masayuki Shimojima
- Department of Virology 1, National Institute of Infectious Diseases, Japan
| | - Masayuki Saijo
- Department of Virology 1, National Institute of Infectious Diseases, Japan
| |
Collapse
|
13
|
Tran NTB, Shimoda H, Ishijima K, Yonemitsu K, Minami S, Kuroda Y, Tatemoto K, Mendoza MV, Kuwata R, Takano A, Muto M, Sawabe K, Isawa H, Hayasaka D, Maeda K. Zoonotic Infection with Oz Virus, a Novel Thogotovirus. Emerg Infect Dis 2022; 28:436-439. [PMID: 35075999 PMCID: PMC8798690 DOI: 10.3201/eid2802.211270] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Oz virus is a novel thogotovirus isolated from ticks that causes lethal infection in mice. We conducted serosurveillance of Oz virus infection among humans and wild mammals in Japan using virus-neutralization tests and ELISAs. Results showed that Oz virus may be naturally infecting humans and other mammalian hosts.
Collapse
|
14
|
Kirino Y, Yamanaka A, Ishijima K, Tatemoto K, Maeda K, Okabayashi T. Retrospective study on the possibility of an SFTS outbreak associated with undiagnosed febrile illness in veterinary professionals and a family with sick dogs in 2003. J Infect Chemother 2022; 28:753-756. [DOI: 10.1016/j.jiac.2022.02.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 02/08/2022] [Accepted: 02/13/2022] [Indexed: 11/29/2022]
|
15
|
Tran NTB, Shimoda H, Mizuno J, Ishijima K, Yonemitsu K, Minami S, Kuroda Y, Tatemoto K, Mendoza MV, Takano A, Muto M, Isawa H, Sawabe K, Hayasaka D, Maeda K. Epidemiological study of Kabuto Mountain virus, a novel uukuvirus, in Japan. J Vet Med Sci 2021; 84:82-89. [PMID: 34819413 PMCID: PMC8810333 DOI: 10.1292/jvms.21-0577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Kabuto Mountain virus (KAMV), the new member of the genus Uukuvirus, was isolated from the tick Haemaphysalis flava in 2018 in Japan. To date, there is no
information on KAMV infection in human and animals. Therefore, serological surveillance of the infection among humans and wild mammals was conducted by virus-neutralization (VN) test and
indirect immunofluorescence assay (IFA). Sera of 24 humans, 59 monkeys, 171 wild boars, 233 Sika deer, 7 bears, and 27 nutria in Yamaguchi Prefecture were analyzed by VN test. The positive
ratio of humans, monkeys, wild boars, and Sika deer were 20.8%, 3.4%, 33.9% and 4.7%, respectively. No positive samples were detected in bears and nutria. The correlation coefficients
between VN test and IFA in human, monkey, wild boar, and Sika deer sera were 0.5745, 0.7198, 0.9967 and 0.9525, respectively. In addition, KAMV was detected in one pool of
Haemaphysalis formosensis ticks in Wakayama Prefecture. These results indicated that KAMV or KAMV-like virus is circulating among many wildlife and ticks, and that this
virus incidentally infects humans.
Collapse
Affiliation(s)
- Ngo T B Tran
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | - Hiroshi Shimoda
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | - Junko Mizuno
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases
| | - Kenzo Yonemitsu
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | - Shohei Minami
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | -
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | - Yudai Kuroda
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University.,Department of Veterinary Science, National Institute of Infectious Diseases
| | - Kango Tatemoto
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University.,Department of Veterinary Science, National Institute of Infectious Diseases
| | - Milagros V Mendoza
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University.,Department of Veterinary Science, National Institute of Infectious Diseases
| | - Ai Takano
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | | | - Haruhiko Isawa
- Department of Entomology, National Institute of Infectious Diseases
| | - Kyoko Sawabe
- Department of Entomology, National Institute of Infectious Diseases
| | - Daisuke Hayasaka
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University
| | - Ken Maeda
- Laboratory of Veterinary Microbiology, Joint Graduate School of Veterinary Medicine, Yamaguchi University.,Department of Veterinary Science, National Institute of Infectious Diseases
| |
Collapse
|
16
|
Sakai Y, Kuwabara Y, Ishijima K, Kagimoto S, Mura S, Tatemoto K, Kuwata R, Yonemitsu K, Minami S, Kuroda Y, Baba K, Okuda M, Shimoda H, Sakurai M, Morimoto M, Maeda K. Histopathological Characterization of Cases of Spontaneous Fatal Feline Severe Fever with Thrombocytopenia Syndrome, Japan. Emerg Infect Dis 2021; 27:1068-1076. [PMID: 33754983 PMCID: PMC8007303 DOI: 10.3201/eid2704.204148] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Severe fever with thrombocytopenia syndrome (SFTS) is an emerging tickborne infectious disease caused by SFTS virus (SFTSV). We report 7 cases of spontaneous fatal SFTS in felines. Necropsies revealed characteristic lesions, including necrotizing lymphadenitis in 5 cases and necrotizing splenitis and SFTSV-positive blastic lymphocytes in all cases. We detected hemorrhagic lesions in the gastrointestinal tract in 6 cases and lungs in 3 cases, suggesting a more severe clinical course of SFTS in felids than in humans. We noted necrotic or ulcerative foci in the gastrointestinal tract in 3 cases, the lung in 2 cases, and the liver in 4 cases. We clarified that blastic lymphocytes are predominant targets of SFTSV and involved in induction of necrotic foci. We also found that thymic epithelial cells were additional targets of SFTSV. These results provide insights for diagnosing feline SFTS during pathological examination and demonstrate the similarity of feline and human SFTS cases.
Collapse
|
17
|
Moriyama S, Adachi Y, Sato T, Tonouchi K, Sun L, Fukushi S, Yamada S, Kinoshita H, Nojima K, Kanno T, Tobiume M, Ishijima K, Kuroda Y, Park ES, Onodera T, Matsumura T, Takano T, Terahara K, Isogawa M, Nishiyama A, Kawana-Tachikawa A, Shinkai M, Tachikawa N, Nakamura S, Okai T, Okuma K, Matano T, Fujimoto T, Maeda K, Ohnishi M, Wakita T, Suzuki T, Takahashi Y. Temporal maturation of neutralizing antibodies in COVID-19 convalescent individuals improves potency and breadth to circulating SARS-CoV-2 variants. Immunity 2021; 54:1841-1852.e4. [PMID: 34246326 PMCID: PMC8249673 DOI: 10.1016/j.immuni.2021.06.015] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/03/2021] [Accepted: 06/18/2021] [Indexed: 12/22/2022]
Abstract
Antibody titers against SARS-CoV-2 slowly wane over time. Here, we examined how time affects antibody potency. To assess the impact of antibody maturation on durable neutralizing activity against original SARS-CoV-2 and emerging variants of concern (VOCs), we analyzed receptor binding domain (RBD)-specific IgG antibodies in convalescent plasma taken 1-10 months after SARS-CoV-2 infection. Longitudinal evaluation of total RBD IgG and neutralizing antibody revealed declining total antibody titers but improved neutralization potency per antibody to original SARS-CoV-2, indicative of antibody response maturation. Neutralization assays with authentic viruses revealed that early antibodies capable of neutralizing original SARS-CoV-2 had limited reactivity toward B.1.351 (501Y.V2) and P.1 (501Y.V3) variants. Antibodies from late convalescents exhibited increased neutralization potency to VOCs, suggesting persistence of cross-neutralizing antibodies in plasma. Thus, maturation of the antibody response to SARS-CoV-2 potentiates cross-neutralizing ability to circulating variants, suggesting that declining antibody titers may not be indicative of declining protection.
Collapse
Affiliation(s)
- Saya Moriyama
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Yu Adachi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Takashi Sato
- Tokyo Shinagawa Hospital, Tokyo, 140-8522, Japan
| | - Keisuke Tonouchi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan; Department of Life Science and Medical Bioscience, Waseda University, Tokyo, 162-8480, Japan
| | - Lin Sun
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Shuetsu Fukushi
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Souichi Yamada
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Hitomi Kinoshita
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Kiyoko Nojima
- Department of Safety Research on Blood and Biological Products, National Institute of Infectious Diseases, Tokyo, 208-0011, Japan
| | - Takayuki Kanno
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Minoru Tobiume
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Eun-Sil Park
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Taishi Onodera
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Takayuki Matsumura
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Tomohiro Takano
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Kazutaka Terahara
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Masanori Isogawa
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Ayae Nishiyama
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Ai Kawana-Tachikawa
- AIDS Research Center, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | | | - Natsuo Tachikawa
- Yokohama Municipal Citizen's Hospital, Kanagawa, 221-0855, Japan
| | | | | | - Kazu Okuma
- Department of Safety Research on Blood and Biological Products, National Institute of Infectious Diseases, Tokyo, 208-0011, Japan
| | - Tetsuro Matano
- AIDS Research Center, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Tsuguto Fujimoto
- Center for Emergency Preparedness and Response, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Makoto Ohnishi
- National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Takaji Wakita
- National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Tadaki Suzuki
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Yoshimasa Takahashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan.
| |
Collapse
|
18
|
Rattanatumhi K, Prasertsincharoen N, Naimon N, Kuwata R, Shimoda H, Ishijima K, Yonemitsu K, Minami S, Supriyono, Tran NTB, Kuroda Y, Tatemoto K, Virhuez Mendoza M, Hondo E, Rerkamnuaychoke W, Maeda K, Phichitraslip T. A serological survey and characterization of Getah virus in domestic pigs in Thailand, 2017-2018. Transbound Emerg Dis 2021; 69:913-918. [PMID: 33617130 DOI: 10.1111/tbed.14042] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 01/25/2021] [Accepted: 02/20/2021] [Indexed: 12/01/2022]
Abstract
Getah virus (GETV) is a mosquito-borne RNA virus belonging to the family Togaviridae, genus Alphavirus. GETV infection causes diarrhoea and death in piglets, and reproductive failure and abortion in sows. This study conducted a serological survey of GETV infection among domestic pig populations in Thailand. ELISA was used to analyse 1,188 pig serum samples collected from 11 provinces of Thailand during 2017-2018, with 23.1% of the samples being positive for anti-GETV antibodies. The positive ratio of anti-GETV antibodies was significantly higher in nursery (67.9%) and older stages (84.5%) of pigs than in finishing stage (14.2%). Furthermore, we successfully isolated GETV from one pig serum, designated as GETV strain GETV/SW/Thailand/2017, and determined the complete genome sequence (11,689 nt). Phylogenetic analysis demonstrated that our isolate was different from the recent GETV group spreading among pig populations in East Asia and formed a cluster with two GETV strains, namely YN12031 (China, 2015) and LEIV16275Mar (Far-East Russia, 2007). We concluded that two different GETV groups are currently spreading among pig populations in Asian countries.
Collapse
Affiliation(s)
| | | | - Nattakarn Naimon
- Faculty of Veterinary Technology, Kasetsart University, Bangkok, Thailand
| | - Ryusei Kuwata
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan.,Faculty of Veterinary Medicine, Okayama University of Science, Ehime, Japan
| | - Hiroshi Shimoda
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Kenzo Yonemitsu
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Shohei Minami
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Supriyono
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Ngo Thuy Bao Tran
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Yudai Kuroda
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan.,Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Kango Tatemoto
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan.,Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Milagros Virhuez Mendoza
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan.,Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Eiichi Hondo
- Division of Biofunctional Development, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Worawut Rerkamnuaychoke
- Faculty of Veterinary Medicine, Rajamankala University of Technology Tawan-ok, Chonburi, Thailand
| | - Ken Maeda
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan.,Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | | |
Collapse
|
19
|
Kirino Y, Ishijima K, Miura M, Nomachi T, Mazimpaka E, Sudaryatma PE, Yamanaka A, Maeda K, Sugimoto T, Saito A, Mekata H, Okabayashi T. Seroprevalence of Severe Fever with Thrombocytopenia Syndrome Virus in Small-Animal Veterinarians and Nurses in the Japanese Prefecture with the Highest Case Load. Viruses 2021; 13:v13020229. [PMID: 33540629 PMCID: PMC7912989 DOI: 10.3390/v13020229] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 01/28/2021] [Accepted: 01/29/2021] [Indexed: 11/16/2022] Open
Abstract
Severe fever with thrombocytopenia syndrome virus (SFTSV) is the causative agent of SFTS, an emerging tick-borne disease in East Asia, and is maintained in enzootic cycles involving ticks and a range of wild animal hosts. Direct transmission of SFTSV from cats and dogs to humans has been identified in Japan, suggesting that veterinarians and veterinary nurses involved in small-animal practice are at occupational risk of SFTSV infection. To characterize this risk, we performed a sero-epidemiological survey in small-animal-practice workers and healthy blood donors in Miyazaki prefecture, which is the prefecture with the highest per capita number of recorded cases of SFTS in Japan. Three small-animal-practice workers were identified as seropositive by ELISA, but one had a negative neutralization-test result and so was finally determined to be seronegative, giving a seropositive rate of 2.2% (2 of 90), which was significantly higher than that in healthy blood donors (0%, 0 of 1000; p < 0.05). The seroprevalence identified here in small-animal-practice workers was slightly higher than that previously reported in other high-risk workers engaged in agriculture and forestry in Japan. Thus, enhancement of small-animal-practice workers’ awareness of biosafety at animal hospitals is necessary for control of SFTSV.
Collapse
Affiliation(s)
- Yumi Kirino
- Center for Animal Disease Control, University of Miyazaki, Miyazaki 889-2192, Japan; (Y.K.); (A.S.); (H.M.)
- Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo 162-8640, Japan; (K.I.); (K.M.)
| | - Miho Miura
- Department of Microbiology, Miyazaki Prefectural Institute for Public Health and Environment, Miyazaki 889-2155, Japan; (M.M.); (T.S.)
| | - Taro Nomachi
- Miyazaki Prefectural Miyakonojo Inspection Center, Miyazaki 885-0021, Japan;
| | - Eugene Mazimpaka
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-2192, Japan; (E.M.); (P.E.S.)
| | - Putu Eka Sudaryatma
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-2192, Japan; (E.M.); (P.E.S.)
| | - Atsushi Yamanaka
- Department of Internal Medicine, Miyazaki Prefectural Miyazaki Hospital, Miyazaki 880-8510, Japan;
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo 162-8640, Japan; (K.I.); (K.M.)
| | - Takayuki Sugimoto
- Department of Microbiology, Miyazaki Prefectural Institute for Public Health and Environment, Miyazaki 889-2155, Japan; (M.M.); (T.S.)
| | - Akatsuki Saito
- Center for Animal Disease Control, University of Miyazaki, Miyazaki 889-2192, Japan; (Y.K.); (A.S.); (H.M.)
- Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-2192, Japan; (E.M.); (P.E.S.)
| | - Hirohisa Mekata
- Center for Animal Disease Control, University of Miyazaki, Miyazaki 889-2192, Japan; (Y.K.); (A.S.); (H.M.)
| | - Tamaki Okabayashi
- Center for Animal Disease Control, University of Miyazaki, Miyazaki 889-2192, Japan; (Y.K.); (A.S.); (H.M.)
- Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-2192, Japan; (E.M.); (P.E.S.)
- Correspondence: ; Tel./Fax: +81-985-58-7575
| |
Collapse
|
20
|
Supriyono, Kuwata R, Torii S, Shimoda H, Ishijima K, Yonemitsu K, Minami S, Kuroda Y, Tatemoto K, Tran NTB, Takano A, Omatsu T, Mizutani T, Itokawa K, Isawa H, Sawabe K, Takasaki T, Yuliani DM, Abiyoga D, Hadi UK, Setiyono A, Hondo E, Agungpriyono S, Maeda K. Mosquito-borne viruses, insect-specific flaviviruses (family Flaviviridae, genus Flavivirus), Banna virus (family Reoviridae, genus Seadornavirus), Bogor virus (unassigned member of family Permutotetraviridae), and alphamesoniviruses 2 and 3 (family Mesoniviridae, genus Alphamesonivirus) isolated from Indonesian mosquitoes. J Vet Med Sci 2020; 82:1030-1041. [PMID: 32448813 PMCID: PMC7399325 DOI: 10.1292/jvms.20-0261] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Mosquitoes transmit many kinds of arboviruses (arthropod-borne viruses), and numerous arboviral diseases have become serious problems in Indonesia. In this study, we conducted surveillance of mosquito-borne viruses at several sites in Indonesia during 2016-2018 for risk assessment of arbovirus infection and analysis of virus biodiversity in mosquito populations. We collected 10,015 mosquitoes comprising at least 11 species from 4 genera. Major collected mosquito species were Culex quinquefasciatus, Aedes albopictus, Culex tritaeniorhynchus, Aedes aegypti, and Armigeres subalbatus. The collected mosquitoes were divided into 285 pools and used for virus isolation using two mammalian cell lines, Vero and BHK-21, and one mosquito cell line, C6/36. Seventy-two pools showed clear cytopathic effects only in C6/36 cells. Using RT-PCR and next-generation sequencing approaches, these isolates were identified as insect flaviviruses (family Flaviviridae, genus Flavivirus), Banna virus (family Reoviridae, genus Seadornavirus), new permutotetravirus (designed as Bogor virus) (family Permutotetraviridae, genus Alphapermutotetravirus), and alphamesoniviruses 2 and 3 (family Mesoniviridae, genus Alphamesonivirus). We believed that this large surveillance of mosquitoes and mosquito-borne viruses provides basic information for the prevention and control of emerging and re-emerging arboviral diseases.
Collapse
Affiliation(s)
- Supriyono
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Ryusei Kuwata
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan.,Faculty of Veterinary Medicine, Okayama University of Science, 1-3 Ikoino-oka, Imabari, Ehime 794-8555, Japan
| | - Shun Torii
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Hiroshi Shimoda
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Kenzo Yonemitsu
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Shohei Minami
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Kango Tatemoto
- Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Ngo Thuy Bao Tran
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Ai Takano
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Tsutomu Omatsu
- Research and Education Center for Prevention of Global Infectious Diseases of Animals, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8508, Japan
| | - Tetsuya Mizutani
- Research and Education Center for Prevention of Global Infectious Diseases of Animals, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8508, Japan
| | - Kentaro Itokawa
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Haruhiko Isawa
- Department of Medical Entomology, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Kyoko Sawabe
- Department of Medical Entomology, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Tomohiko Takasaki
- Kanagawa Prefectural Institute of Public Health, 1-3-1 Shimomachiya, Chigasaki, Kanagawa 253-0087, Japan
| | - Dewi Maria Yuliani
- Public Health Office of Tangerang District, Tigaraksa Subdistrict, Banten 15720, Indonesia
| | - Dimas Abiyoga
- Indonesian Research Center for Veterinary Sciences, Sesetan, Denpasar City, Bali 80223, Indonesia
| | - Upik Kesumawati Hadi
- Faculty of Veterinary Medicine, IPB University, Kampus IPB Dramaga, Bogor 16680, West Java, Indonesia
| | - Agus Setiyono
- Faculty of Veterinary Medicine, IPB University, Kampus IPB Dramaga, Bogor 16680, West Java, Indonesia
| | - Eiichi Hondo
- Department of Biological Mechanisms and Function, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
| | - Srihadi Agungpriyono
- Faculty of Veterinary Medicine, IPB University, Kampus IPB Dramaga, Bogor 16680, West Java, Indonesia
| | - Ken Maeda
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan.,Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| |
Collapse
|
21
|
Azaki M, Uda A, Tian D, Nakazato K, Hotta A, Kawai Y, Ishijima K, Kuroda Y, Maeda K, Morikawa S. Effective methods for the inactivation of Francisella tularensis. PLoS One 2019; 14:e0225177. [PMID: 31725770 PMCID: PMC6855423 DOI: 10.1371/journal.pone.0225177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 10/29/2019] [Indexed: 11/19/2022] Open
Abstract
Francisella tularensis (F. tularensis) is highly pathogenic to humans and must be handled under biosafety level 3 conditions. Samples used for the diagnosis and experimental analysis must be completely inactivated, although methods for the inactivation of F. tularensis are limited. In this study, effective methods for the inactivation of F. tularensis SCHU P9 and five other strains were determined by comparisons of colony-forming units between treated and control samples. The results showed that F. tularensis SCHU P9 was denatured by heat treatment (94°C for 3 min and 56°C for 30 min), filtration with a 0.22 μm filter, and the use of various solutions (i.e. >70% ethanol, methanol, acetone, and 4% paraformaldehyde). F. tularensis SCHU P9 remained viable after treatment with 50% ethanol for 1 min, filtration with a 0.45 μm filter, and treatments with detergents (i.e. 1% lithium dodecyl sulfate buffer, 1% Triton X-100 and 1% Nonidet P-40) at 4°C for 24 h. Additionally, F. tularensis SCHU P9 suspended in fetal bovine serum in plastic tubes was highly resistant to ultraviolet radiation compared to suspensions in water and chemically defined medium. The methods for inactivation of F. tularensis SCHU P9 was applicable to the other five strains of F. tularensis. The data presented in this study could be useful for the establishment of guidelines and standard operating procedures (SOP) to inactivate the contaminated samples in not only F. tularensis but also other bacteria.
Collapse
Affiliation(s)
- Mika Azaki
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo Japan
- Department of Correlative Study in Physics and Chemistry, Graduate School of Integrated Basic Sciences, Nihon University, Tokyo, Japan
| | - Akihiko Uda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo Japan
- * E-mail:
| | - Deyu Tian
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Katsuyoshi Nakazato
- Department of Correlative Study in Physics and Chemistry, Graduate School of Integrated Basic Sciences, Nihon University, Tokyo, Japan
| | - Akitoyo Hotta
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo Japan
| | - Yasuhiro Kawai
- Division of Biosafety Control and Research, National Institute of Infectious Diseases, Tokyo, Japan
| | - Keita Ishijima
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo Japan
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Yudai Kuroda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo Japan
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Ken Maeda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo Japan
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Shigeru Morikawa
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo Japan
| |
Collapse
|
22
|
Miyazawa H, Fujita Y, Iwata H, Ishikawa Y, Nishio S, Ishijima K, Shinmei Y, Takeichi T, Goto K, Oi R, Akiyama M, Shimizu H. Two cases of generalized pustular psoriasis complicated by IgG4-related disease. Br J Dermatol 2018; 179:537-539. [PMID: 29709076 DOI: 10.1111/bjd.16712] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- H Miyazawa
- Department of Dermatology, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Y Fujita
- Department of Dermatology, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan
| | - H Iwata
- Department of Dermatology, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Y Ishikawa
- Department of Rheumatology, Endocrinology and Nephrology, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan
| | - S Nishio
- Department of Rheumatology, Endocrinology and Nephrology, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan
| | - K Ishijima
- Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Y Shinmei
- Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan
| | - T Takeichi
- Department of Dermatology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - K Goto
- Department of Dermatology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - R Oi
- Department of Dermatology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - M Akiyama
- Department of Dermatology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - H Shimizu
- Department of Dermatology, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan
| |
Collapse
|
23
|
Schuck TJ, Ishijima K, Patra PK, Baker AK, Machida T, Matsueda H, Sawa Y, Umezawa T, Brenninkmeijer CAM, Lelieveld J. Distribution of methane in the tropical upper troposphere measured by CARIBIC and CONTRAIL aircraft. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/2012jd018199] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
24
|
Chiba T, Kashiwagi K, Chiba N, Ishijima K, Furuichi M, Kogure S, Abe K, Tsukahara S. Comparison of iridial pigmentation between latanoprost and isopropyl unoprostone: a long term prospective comparative study. Br J Ophthalmol 2003; 87:956-9. [PMID: 12881333 PMCID: PMC1771820 DOI: 10.1136/bjo.87.8.956] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIM To compare incidence of iridial pigmentation prospectively induced by long term treatment with latanoprost and isopropyl unoprostone (hereafter, unoprostone) in Japanese patients with glaucoma. METHODS Patients with glaucoma treated with prostaglandin (PG) related ophthalmic solutions were sequentially enrolled. Patients treated for more than 30 months with PG related ophthalmic solutions were subjected to analysis. The entry criteria were no history of intraocular surgery, laser iridotomy, and/or laser trabeculoplasty within 12 months before and after the enrolment; and no history of uveitis; no changes in antiglaucoma drugs within 6 months before and after the enrolment. Photographs of the irides were taken under the same conditions and three glaucoma specialists evaluated the iridial pigmentation with masking of patient information. The correlation of iridial pigmentation with the background factors and the reduction of intraocular pressure (IOP) before and after the treatment were investigated. RESULTS 48 eyes in 48 patients satisfied the enrolment criteria (25 eyes in the latanoprost group, 23 eyes in the unoprostone group). At the end of the follow up period, iridial pigmentation was present in 15 patients (60.0%) in the latanoprost group and seven patients (30.4%) in the unoprostone group. The correlation between development of iridial pigmentation and age, sex, concurrent use of other ophthalmic solutions, and IOP reduction was not significant. CONCLUSIONS The incidence of iridial pigmentation induced by latanoprost or unoprostone is high in the case of long term treatment. Iridial pigmentation did not affect PG related ophthalmic solution induced IOP reduction.
Collapse
Affiliation(s)
- T Chiba
- Department of Ophthalmology, Faculty of Medicine, University of Yamanashi, Tamaho Yamanashi, Japan
| | | | | | | | | | | | | | | |
Collapse
|
25
|
Kashiwagi K, Saito K, Wang YD, Takahashi H, Ishijima K, Tsukahara S. Safety of ozonated solution as an antiseptic of the ocular surface prior to ophthalmic surgery. Ophthalmologica 2001; 215:351-6. [PMID: 11528260 DOI: 10.1159/000050884] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
PURPOSE To evaluate the safety of an ozonated solution as an antiseptic of the ocular surface prior to ophthalmic surgery. METHODS In experiment 1, a primary culture of rabbit corneal epithelium was established. Then, 0, 4 and 10 ppm ozonated solution and 1.25% povidone-iodine, respectively, were applied to confluent cells on collagen-coated filter inserts (Millicell-CM) for 10 min followed by replacement with fresh medium. The transepithelial electrical resistance (TER), which is a good indicator of cell barrier function, was sequentially measured for 30 min. In experiment 2, adult pigmented rabbit eyes were washed with 20 ml of 4 ppm ozonated solution, 1.25% povidone-iodine solution or saline. Slitlamp examinations were performed before and after washing. RESULTS In experiment 1, 4 ppm ozonated solution did not change the TER as compared with the control. 10 ppm ozonated solution and 1.25% povidone-iodine similarly reduced the TER values significantly as compared with those of the control and 4 ppm ozonated solution. In experiment 2, 4 ppm ozonated solution and saline showed mild superficial punctate keratitis (SPK) in 8.3% of eyes. However, 1.25% povidone-iodine resulted in mild SPK in 17% of eyes and moderate SPK in 25% of eyes. The prevalence of SPK between two groups was significantly different (p = 0.03). CONCLUSION Ozonated solution may be safe and a useful antiseptic of the ocular surface prior to ophthalmic surgery.
Collapse
Affiliation(s)
- K Kashiwagi
- Department of Ophthalmology, Yamanashi Medical University, Yamanashi, Japan.
| | | | | | | | | | | |
Collapse
|
26
|
Mabuchi F, Yamagata Z, Kashiwagi K, Ishijima K, Tang S, Iijima H, Tsukahara S. A sequence change (Arg158Gln) in the leucine zipper-like motif region of the MYOC/TIGR protein. J Hum Genet 2001; 46:85-9. [PMID: 11281418 DOI: 10.1007/s100380170114] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The myocilin/trabecular meshwork-inducible glucocorticoid response (MYOC/TIGR) gene was identified as a gene that caused open angle glaucoma (OAG). Single-strand conformation polymorphism analysis and subsequent sequence analysis were performed for the MYOC/TIGR gene in 120 unrelated Japanese OAG patients with increased intraocular pressure (IOP), 116 unrelated OAG patients without increased IOP, and 106 unrelated control subjects without glaucoma. An Arg158Gln sequence change in the leucine zipper-like motif (LZM) region in the myosin-homology domain was found in 2 OAG patients with or without increased IOP, and in a 56-year-old control subject without glaucoma. This is the first report of missense sequence change in the LZM region of the MYOC/TIGR protein in subjects showing various phenotypes, including a control subject. These findings suggest that Arg158Gln in the LZM region is probably a rare nondisease-causing polymorphism, despite its important role in this region, because it was found in a control subject, although Arg158Gln was previously reported as a probable disease-causing mutation.
Collapse
Affiliation(s)
- F Mabuchi
- Department of Health Sciences, Yamanashi Medical University, Shimokato, Japan
| | | | | | | | | | | | | |
Collapse
|
27
|
Ishijima K, Sando I, Balaban C, Suzuki C, Takasaki K. Length of the eustachian tube and its postnatal development: computer-aided three-dimensional reconstruction and measurement study. Ann Otol Rhinol Laryngol 2000; 109:542-8. [PMID: 10855564 DOI: 10.1177/000348940010900603] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Eleven normal human temporal bone-eustachian tube (ET) specimens obtained from 11 individuals whose ages were 3 months to 88 years were studied to investigate the path length along the ET lumen and its postnatal development by means of a computer-aided 3-dimensional reconstruction and measurement method. The path length of the ET lumen of the 3-month-old infant was 21.2 mm, and its growth was in correlation with age to attain its adult length (average, 37.00 +/- 4.16 mm). The ratio of the length of the cartilaginous portion together with the junctional portion to the length of the bony portion was 8:1 in an infant at the age of 3 months and 4:1 in adults. That the bony portion of the ET develops relatively more than the cartilaginous and junctional portions may cause this finding. In addition, there is a developmental shift in the orientation of the cartilaginous portion with respect to the bony portion of the ET. In children, the cartilaginous and bony portions are both aligned with the line that connects the pharyngeal orifice and the tympanic orifice. In adults, however, the cartilaginous portion is angled inferiorly and laterally from the bony portion. This change may reflect the relative growth of the face.
Collapse
Affiliation(s)
- K Ishijima
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pennsylvania 15213, USA
| | | | | | | | | |
Collapse
|
28
|
Abstract
Infants with cleft palate (CP) display eustachian tube (ET) dysfunction. This study compared the postnatal development of the volume of ET cartilage in 34 normal cases and 10 CP cases using a personal computer. In cases with age under 1 month old, the total volume of ET cartilage was 61.94+/-20.89 mm(3) (mean+/-S.D.) in 16 normal control cases and 50.07+/-24.69 mm(3) in nine CP cases (t-test, not significantly different from normal). The ratio of lateral lamina (LL) to medial lamina (ML) volume (LL/ML) was reduced significantly (t-test, P<0.001) from 0.23+/-0.07 in 16 normal control cases to 0.09+/-0.05 in nine CP cases under 1 month old. In 34 normal ET cases whose ages were under 20 years, statistically significant positive correlations were found between the total volume of ET cartilage (y1) and age (x), volume of LL (y2) and age, and volume of ML (y3) and age (P<0.01, r=0.731, 0.614, 0.719). The regression lines were y1=20.37x+95.57, y2=2.02x+15.60, and y3=18. 35x+79.97. With the result obtained from this study, it is assumed that immaturity of the ET cartilage in infants, especially that of LL of the ET cartilage in CP infants, may be a significant risk factor for developing otitis media with effusion.
Collapse
Affiliation(s)
- K Takasaki
- The Elizabeth McCullough Knowles Otopathology Laboratory, Department of Otolaryngology, Division of Otopathology, University of Pittsburgh School of Medicine, Suite 153, Eye and Ear Institute Building, 203 Lothrop St., Pittsburgh, PA 15213, USA
| | | | | | | |
Collapse
|
29
|
Ishijima K, Sando I. Multiple temporal bone anomalies in isotretinoin syndrome: a temporal bone histopathologic case report. Arch Otolaryngol Head Neck Surg 1999; 125:1385-8. [PMID: 10604421 DOI: 10.1001/archotol.125.12.1385] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Vitamin A and its derivatives are known teratogens. To our knowledge, this is the second temporal bone histopathologic report on anomalies related to these substances. A white boy (aged 4 years 5 months at death) was born with a complex central nervous system dysgenesis related to his mother's use of isotretinoin (Accutane) early in pregnancy. Histopathologic examination revealed multiple anomalies in the temporal bones: a narrow external auditory canal, protrusion of bone marrow into the middle ear cavity, anomalies of the ossicles, hypoplasia of the facial nerve, absence of the chorda tympani nerve and the stapedius muscle, anomalies of the membranous labyrinth in the vestibule, a hypoplastic lateral semicircular canal, and a large vestibular aqueduct and endolymphatic sac.
Collapse
Affiliation(s)
- K Ishijima
- Department of Otolaryngology, University of Pittsburgh School of Medicine, PA 15213, USA
| | | |
Collapse
|
30
|
Affiliation(s)
- N Fujiki
- Department of Otolaryngology, Shizuoka City Hospital, Japan
| | | | | | | | | |
Collapse
|
31
|
Takasaki K, Sando I, Balaban CD, Haginomori S, Ishijima K, Kitagawa M. Histopathological changes of the eustachian tube cartilage and the tensor veli palatini muscle with aging. Laryngoscope 1999; 109:1679-83. [PMID: 10522942 DOI: 10.1097/00005537-199910000-00024] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVES The eustachian tube (ET) and the tensor veli palatini muscle (TVPM) are thought to play an important role in ventilatory function. Calcification of the ET cartilage and the replacement of TVPM by fat tissue are often observed histologically in elderly patients. To our knowledge, however, there are no quantitative studies of these pathological findings in relation to age. STUDY DESIGN The calcification of the ET cartilage and the atrophy of the TVPM in 36 normal human temporal bones obtained from 36 individuals with ages ranging from 2 days to 88 years were investigated. METHODS The number of calcified chondrocytes in the midportion of the ET cartilage was quantified as the average number of cells per square millimeter. Atrophy of the TVPM was evaluated at the midportion of the site where the TVPM is attached to the tip of lateral lamina of ET cartilage. A grade of 0, 1, 2, 3, or 4 was assessed for each section, which indicated approximately 0% to 5%, 5% to 30%, 30% to 70%, 70% to 95%, or 95% to 100% of the TVPM replacement by fat tissue, respectively. RESULTS A statistically significant correlation was found between the number of the calcified cells and aging (P < .001). A statistically significant correlation was also found between the degree of the atrophy of TVPM and aging (P < .001). CONCLUSIONS The calcification of the ET cartilage and the atrophy of the TVPM are closely associated with aging. Therefore, it is suggested that these two findings may be a predisposing factor for ET dysfunction in elderly adults.
Collapse
Affiliation(s)
- K Takasaki
- Elizabeth McCullough Knowles Otopathology Laboratory, Department of Otolaryngology, University of Pittsburgh School of Medicine, Pennsylvania, USA
| | | | | | | | | | | |
Collapse
|
32
|
Honjo I, Takahashi H, Sudo M, Ishijima K, Tanabe M. Pathophysiological and therapeutic considerations of otitis media with effusion from viewpoint of middle ear ventilation. Int J Pediatr Otorhinolaryngol 1998; 43:105-13. [PMID: 9578119 DOI: 10.1016/s0165-5876(97)00175-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Using nitrous oxide, we examined the gas exchange function through the middle ear mucosa in ears with otitis media with effusion (OME) in children, and found the function to be impaired in 50% of them. The size of the mastoid was significantly smaller in ears with negative gas exchange function than those with positive function, and the presence or absence of the function was even more significantly correlated with the presence or absence of aeration in the middle ear. Furthermore, the presence or absence of aeration in ears with OME was found to be significantly correlated with their prognosis (response of OME to antibiotics treatment) and also with the presence or absence of eardrum mobility examined by a pneumatic otoscope. Finally, after myringotomy and removal of effusion, the gas exchange function recovered in most of the ears with impaired function. These results indicate that the eardrum mobility test may serve as an appropriate indicator for the surgical treatment for OME.
Collapse
Affiliation(s)
- I Honjo
- Department of Hearing and Speech Science, Kyoto University Graduate School of Medicine, Japan
| | | | | | | | | |
Collapse
|
33
|
Nishiwaki M, Ishikure H, Ishijima K, Sugiura J. [Surgery of neonatal duodenal obstruction--4 cases reports]. Shujutsu 1968; 22:214-20. [PMID: 5684513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
|