Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Koo Nagasawa"'
Autor:
Koo Nagasawa, Mihoko Ohata, Ataru Igarashi, Takeshi Arashiro, Tomoko Ogawa, Misako Ohkusu, Noriko Takeuchi, Kenichi Shizuno, Erika Kurihara, Misato Yoshida, Takahiro Kodama, Katsuaki Abe, Tadashi Hoshino, Junko Arii, Kenichi Takeshita, Haruka Hishiki, Setsuo Ota, Yoshiko Takahashi, Yuko Omata, Tomoko Nakazawa, Tomohiro Someya, Naruhiko Ishiwada
Publikováno v:
International Journal of Infectious Diseases, Vol 149, Iss , Pp 107252- (2024)
Objectives: In Japan, population-based epidemiological data on respiratory syncytial virus (RSV) infections are limited. To elucidate the epidemiology of RSV before the introduction of new prophylactic drugs, we conducted a population-based study dur
Externí odkaz:
https://doaj.org/article/589295e40488456aa1267420731b4e67
Autor:
Mao Akagawa, Tatsuya Shirai, Mitsuru Sada, Norika Nagasawa, Mayumi Kondo, Makoto Takeda, Koo Nagasawa, Ryusuke Kimura, Kaori Okayama, Yuriko Hayashi, Toshiyuki Sugai, Takeshi Tsugawa, Haruyuki Ishii, Hisashi Kawashima, Kazuhiko Katayama, Akihide Ryo, Hirokazu Kimura
Publikováno v:
Viruses, Vol 14, Iss 11, p 2382 (2022)
Molecular interactions between respiratory syncytial virus (RSV) fusion protein (F protein) and the cellular receptor Toll-like receptor 4 (TLR4) and myeloid differentiation factor-2 (MD-2) protein complex are unknown. Thus, to reveal the detailed mo
Externí odkaz:
https://doaj.org/article/d167ac91160a426ba0477bb359765584
Autor:
Naoshi Ando, Tsuyoshi Sekizuka, Eiji Yokoyama, Yoshiyuki Aihara, Noriko Konishi, Yuko Matsumoto, Kumiko Ishida, Koo Nagasawa, Nathalie Jourdan-Da Silva, Motoi Suzuki, Hirokazu Kimura, Simon Le Hello, Koichi Murakami, Makoto Kuroda, Shinichiro Hirai, Setsuko Fukaya
Publikováno v:
Frontiers in Microbiology, Vol 12 (2021)
In Japan’s Kanto region, the number of Salmonella enterica serovar Chester infections increased temporarily between 2014 and 2016. Concurrently with this temporal increase in the Kanto region, S. Chester isolates belonging to one clonal group were
Externí odkaz:
https://doaj.org/article/01068042cfdd44e7a3bce6a3432cddf2
Autor:
Jumpei Aso, Hirokazu Kimura, Haruyuki Ishii, Takeshi Saraya, Daisuke Kurai, Yuki Matsushima, Koo Nagasawa, Akihide Ryo, Hajime Takizawa
Publikováno v:
Frontiers in Microbiology, Vol 10 (2020)
To elucidate the evolution of human respirovirus 3 (HRV3), we performed detailed genetic analyses of the F gene (full-length) detected from hundreds of HRV3 strains obtained from various geographic regions. First, we performed time-scaled evolutionar
Externí odkaz:
https://doaj.org/article/10a35e6898ce4ca1afb44059f472baa7
Autor:
Keita Ozaki, Yuki Matsushima, Koo Nagasawa, Jumpei Aso, Takeshi Saraya, Keisuke Yoshihara, Koichi Murakami, Takumi Motoya, Akihide Ryo, Makoto Kuroda, Kazuhiko Katayama, Hirokazu Kimura
Publikováno v:
Frontiers in Microbiology, Vol 10 (2020)
Noroviruses are a major cause of viral epidemic gastroenteritis in humans worldwide. The protease (Pro) encoded in open reading frame 1 (ORF1) is an essential enzyme for proteolysis of the viral polyprotein. Although there are some reports regarding
Externí odkaz:
https://doaj.org/article/f5b30e2208914520a77e5af7454a2020
Autor:
Naomi Sakon, Kenji Sadamasu, Takayuki Shinkai, Yousuke Hamajima, Hideaki Yoshitomi, Yuki Matsushima, Rika Takada, Fumio Terasoma, Asako Nakamura, Jun Komano, Koo Nagasawa, Hideaki Shimizu, Kazuhiko Katayama, Hirokazu Kimura
Publikováno v:
Emerging Infectious Diseases, Vol 24, Iss 5, Pp 920-923 (2018)
Seven foodborne norovirus outbreaks attributable to the GII.P17-GII.17 strain were reported across Japan in 2017, causing illness in a total of 2,094 persons. Nori (dried shredded seaweed) was implicated in all outbreaks and tested positive for norov
Externí odkaz:
https://doaj.org/article/e954d482e31b4cb4ac49857dee53fafd
Autor:
Koo Nagasawa, Yuki Matsushima, Takumi Motoya, Fuminori Mizukoshi, Yo Ueki, Naomi Sakon, Koichi Murakami, Tomomi Shimizu, Nobuhiko Okabe, Noriko Nagata, Komei Shirabe, Hiroto Shinomiya, Wataru Suzuki, Makoto Kuroda, Tsuyoshi Sekizuka, Akihide Ryo, Kiyotaka Fujita, Kazunori Oishi, Kazuhiko Katayama, Hirokazu Kimura
Publikováno v:
Emerging Infectious Diseases, Vol 24, Iss 1, Pp 144-148 (2018)
During the 2016–17 winter season in Japan, human norovirus GII.P16-GII.2 strains (2016 strains) caused large outbreaks of acute gastroenteritis. Phylogenetic analyses suggested that the 2016 strains derived from the GII.2 strains detected during 20
Externí odkaz:
https://doaj.org/article/f0d54d3813b9466587a2e2c48e139874
Autor:
Yuki Matsushima, Fuminori Mizukoshi, Naomi Sakon, Yen Hai Doan, Yo Ueki, Yasutaka Ogawa, Takumi Motoya, Hiroyuki Tsukagoshi, Noriko Nakamura, Naoki Shigemoto, Hideaki Yoshitomi, Reiko Okamoto-Nakagawa, Rieko Suzuki, Rika Tsutsui, Fumio Terasoma, Tomoko Takahashi, Kenji Sadamasu, Hideaki Shimizu, Nobuhiko Okabe, Koo Nagasawa, Jumpei Aso, Haruyuki Ishii, Makoto Kuroda, Akihide Ryo, Kazuhiko Katayama, Hirokazu Kimura
Publikováno v:
Frontiers in Microbiology, Vol 10 (2019)
Human norovirus (HuNoV) GII.P17-GII.17 (Kawasaki2014 variant) reportedly emerged in 2014 and caused gastroenteritis outbreaks worldwide. To clarify the evolution of both VP1 and RNA-dependent RNA polymerase (RdRp) regions of GII.P17-GII.17, we analyz
Externí odkaz:
https://doaj.org/article/6ee907a3a636484fa7a10093f0198c3c
Autor:
Hirokazu Kimura, Komei Shirabe, Makoto Takeda, Miho Kobayashi, Hiroyuki Tsukagoshi, Kaori Okayama, Akihide Ryo, Koo Nagasawa, Nobuhiko Okabe, Hiroko Minagawa, Kunihisa Kozawa
Publikováno v:
Frontiers in Microbiology, Vol 10 (2019)
Koplik spots are considered a disease-specific sign for measles, although comprehensive virological studies have not been conducted to date. In Japan, a national survey of 3023 measles and measles-suspected cases was conducted between 2009 and 2014 u
Externí odkaz:
https://doaj.org/article/ba686427e4b04f77ad322b4972e0609b
Molecular Evolutionary Analyses of the RNA-Dependent RNA Polymerase Region in Norovirus Genogroup II
Autor:
Keita Ozaki, Yuki Matsushima, Koo Nagasawa, Takumi Motoya, Akihide Ryo, Makoto Kuroda, Kazuhiko Katayama, Hirokazu Kimura
Publikováno v:
Frontiers in Microbiology, Vol 9 (2018)
Noroviruses are the leading cause of viral gastroenteritis in humans across the world. RNA-dependent RNA polymerase (RdRp) plays a critical role in the replication of the viral genome. Although there have been some reports on a limited number of geno
Externí odkaz:
https://doaj.org/article/5983b002fe864a14bdc57922cbc1d9ce