Research theme for competitive and other funds (7)：
2018 - 2022 Elucidation of factors that cause the biennial epidemic of influenza C virus and factors that make infected children more severe
2014 - 2018 Biennial epidemics and clinical features of influenza C virus infections.
2009 - 2011 Establishment of diagnosis of influenza C virus infection
2000 - 2001 C型インフルエンザの疫学におけるNS遺伝子の重要性
1999 - 2001 Do oligosaccharide chains of the hemagglutinin-esterase (HE) protein of influenza C virus affect the formation of the intramolecular disulfide bonds?
1999 - 2000 Studies on the ion channel activity of influenza C virus CM2 protein
1998 - 1999 海外からのウイルス侵入によるC型インフルエンザの生態変化
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Papers (116)：
Yoko Matsuzaki, Kanetsu Sugawara, Yuko Kidoguchi, Yoko Kadowaki, Yoshitaka Shimotai, Yuriko Katsushima, Fumio Katsushima, Shizuka Tanaka, Yohei Matoba, Kenichi Komabayashi, et al. Genetic Reassortment in a Child Coinfected with Two Influenza B Viruses, B/Yamagata Lineage and B/Victoria-Lineage Strains. Viruses. 2024. 16. 6
Yoko Matsuzaki, Suguru Ohmiya, Reiko Ota, Yuki Kitai, Oshi Watanabe, Setsuko Kitaoka, Satoru Kumaki, Ryoichi Onuma, Yohei Watanabe, Yukio Nagai, et al. Epidemiologic, clinical, and genetic characteristics of influenza C virus infections among outpatients and inpatients in Sendai, Japan from 2006 to 2020. Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology. 2023. 162. 105429-105429
Ko Sato, Hideki Hayashi, Yoshitaka Shimotai, Mutsuo Yamaya, Seiji Hongo, Kazuyoshi Kawakami, Yoko Matsuzaki, Hidekazu Nishimura. TMPRSS2 activates hemagglutinin-esterase glycoprotein of influenza C virus. Journal of virology. 2021. JVI0129621
Yoko Matsuzaki, Kanetsu Sugawara, Yoshitaka Shimotai, Yoko Kadowaki, Seiji Hongo, Katsumi Mizuta, Hidekazu Nishimura. Growth kinetics of influenza c virus antigenic mutants that escaped from anti-hemagglutinin esterase monoclonal antibodies and viral antigenic changes found in field isolates. Viruses. 2021. 13. 3
Kenichi Komabayashi, Yohei Matoba, Shizuka Tanaka, Junji Seto, Yoko Aoki, Tatsuya Ikeda, Yoshitaka Shimotai, Yoko Matsuzaki, Tsutomu Itagaki, Katsumi Mizuta. Longitudinal epidemiology of human coronavirus OC43 in Yamagata, Japan, 2010-2017: Two groups based on spike gene appear one after another. Journal of medical virology. 2021. 93. 2. 945-951
