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Shoko Okitsu

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Dinh Nguyen Tran; Thi Thu Loan Tran; Lay-Myint Yoshida; Thi Kim Huyen Dang; Manh Tuan Ha; Satoshi Hayakawa; Masashi Mizuguchi; Shoko Okitsu; Thi Minh Hong Pham; Hiroshi Ushijima
Molecular epidemiology and disease severity of human respiratory syncytial virus in Vietnam.
Pattara Khamrin; Hideaki Kikuta; Masaaki Kobayashi; Niwat Maneekarn; Shuichi Nishimura; Shoko Okitsu; Hiroyuki Shimizu; Kumiko Sugita; Aksara Thongprachum; Tsuneyoshi Baba; Satoshi Hayakawa; Atsuko Yamamoto; Hiroshi Ushijima
Three clusters of Saffold viruses circulating in children with diarrhea in Japan.
Aksara Thongprachum; Atsuko Yamamoto; Tsuneyoshi Baba; Wisoot Chan-it; Satoshi Hayakawa; Pattara Khamrin; Hideaki Kikuta; Niwat Maneekarn; Masashi Mizuguchi; Shuichi Nishimura; Shoko Okitsu; Kumiko Sugita; Hiroshi Ushijima
Reemergence of new variant G3 rotavirus in Japanese pediatric patients, 2009-2011.

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All Publications

2013: Dinh Nguyen Tran; Thi Thu Loan Tran; Lay-Myint Yoshida; Thi Kim Huyen Dang; Manh Tuan Ha; Satoshi Hayakawa; Masashi Mizuguchi; Shoko Okitsu; Thi Minh Hong Pham; Hiroshi Ushijima
Molecular epidemiology and disease severity of human respiratory syncytial virus in Vietnam.
PloS one 2013;8(1):e45436.
2013: Pattara Khamrin; Hideaki Kikuta; Masaaki Kobayashi; Niwat Maneekarn; Shuichi Nishimura; Shoko Okitsu; Hiroyuki Shimizu; Kumiko Sugita; Aksara Thongprachum; Tsuneyoshi Baba; Satoshi Hayakawa; Atsuko Yamamoto; Hiroshi Ushijima
Three clusters of Saffold viruses circulating in children with diarrhea in Japan.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2013;13():339-43.
2013: Aksara Thongprachum; Atsuko Yamamoto; Tsuneyoshi Baba; Wisoot Chan-it; Satoshi Hayakawa; Pattara Khamrin; Hideaki Kikuta; Niwat Maneekarn; Masashi Mizuguchi; Shuichi Nishimura; Shoko Okitsu; Kumiko Sugita; Hiroshi Ushijima
Reemergence of new variant G3 rotavirus in Japanese pediatric patients, 2009-2011.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2013;13():168-74.
2012: Wisoot Chan-It; Pattara Khamrin; Masaaki Kobayashi; Masashi Mizuguchi; Shoko Okitsu; Aksara Thongprachum; Hiroshi Ushijima
Emergence of a new norovirus GII.6 variant in Japan, 2008-2009.
Journal of medical virology 2012;84(7):1089-96.
2012: Pattara Khamrin; Niwat Maneekarn; Masashi Mizuguchi; Shoko Okitsu; Hiroyuki Shimizu; Aksara Thongprachum; Satoshi Hayakawa; Hiroshi Ushijima
Detection of human bocavirus 1 and 2 from children with acute gastroenteritis in Japan.
Journal of medical virology 2012;84(6):901-5.
2012: Pattara Khamrin; Tipachan Kongsricharoern; Rungnapa Malasao; Natthawan Chaimongkol; Satoshi Hayakawa; Shoko Okitsu; Nuthapong Ukarapol; Hiroshi Ushijima; Niwat Maneekarn
Circulating of human bocavirus 1, 2, 3, and 4 in pediatric patients with acute gastroenteritis in Thailand.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2012;12(3):565-9.
2012: Pattara Khamrin; Tipachan Kongsricharoern; Rungnapa Malasao; Shoko Okitsu; Wilaiporn Saikhruang; Hiroyuki Shimizu; Boonpa Suantai; Nuthapong Ukarapol; Hiroshi Ushijima; Natthawan Chaimongkol; Satoshi Hayakawa; Niwat Maneekarn
Detection and molecular characterization of cosavirus in adults with diarrhea, Thailand.
Virus genes 2012;44(2):244-6.
2012: Aksara Thongprachum; Dinh Nguyen Tran; Satoshi Hayakawa; Pattara Khamrin; Niwat Maneekarn; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Evaluation and comparison of the efficiency of immunochromatography methods for norovirus detection.
Clinical laboratory 2012;58(5-6):489-93.
2012: Shuvra Kanti Dey; Masashi Mizuguchi; T D Nguyen; Shoko Okitsu; O Phathammavong; A Thongprachum; W Chan-It; Hiroshi Ushijima
Seasonal pattern and genotype distribution of sapovirus infection in Japan, 2003-2009.
Epidemiology and infection 2012;140(1):74-7.
2011: Pattara Khamrin; Niwat Maneekarn; Shoko Okitsu; Aksara Thongprachum; Dinh Nguyen Tran; Wisoot Chan-it; Hiroshi Ushijima
Comparison of the rapid methods for screening of group a rotavirus in stool samples.
Journal of tropical pediatrics 2011;57(5):375-7.
2011: Pattara Khamrin; Nattika Nantachit; Shoko Okitsu; Hiroshi Ushijima; Natthawan Chaimongkol; Niwat Maneekarn
Saffold cardioviruses in children with diarrhea, Thailand.
Emerging infectious diseases 2011;17(6):1150-2.
2011: Pattara Khamrin; Makiko Okame; Aksara Thongprachum; Nattika Nantachit; Shuichi Nishimura; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
A single-tube multiplex PCR for rapid detection in feces of 10 viruses causing diarrhea.
Journal of virological methods 2011;173(2):390-3.
2011: Wisoot Chan-it; Aksara Thongprachum; Shuvra Kanti Dey; Tung Gia Phan; Pattara Khamrin; Shoko Okitsu; Shuichi Nishimura; Masaaki Kobayashi; Hideaki Kikuta; Tsuneyoshi Baba; Atsuko Yamamoto; Kumiko Sugita; Shintaro Hashira; Takeshi Tajima; Shinichi Ishida; Masashi Mizuguchi; Hiroshi Ushijima
Detection and genetic characterization of rotavirus infections in non-hospitalized children with acute gastroenteritis in Japan, 2007-2009.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2011;11(2):415-22.
2011: Ngan Thi Kim Pham; Wisoot Chan-It; Pattara Khamrin; Shuichi Nishimura; Hideaki Kikuta; Kumiko Sugita; Tsuneyoshi Baba; Atsuko Yamamoto; Hideaki Shimizu; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Detection of human parechovirus in stool samples collected from children with acute gastroenteritis in Japan during 2007-2008.
Journal of medical virology 2011;83(2):331-6.
2011: Ngan Thi Kim Pham; Quang Duy Trinh; Wisoot Chan-It; Pattara Khamrin; Shuichi Nishimura; Kumiko Sugita; Niwat Maneekarn; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Human bocavirus infection in children with acute gastroenteritis in Japan and Thailand.
Journal of medical virology 2011;83(2):286-90.
2011: Wisoot Chan-It; Aksara Thongprachum; Shoko Okitsu; Shuichi Nishimura; Hideaki Kikuta; Tsuneyoshi Baba; Atsuko Yamamoto; Kumiko Sugita; Shintaro Hashira; Takeshi Tajima; Masashi Mizuguchi; Hiroshi Ushijima
Detection and genetic characterization of norovirus infections in children with acute gastroenteritis in Japan, 2007-2009.
Clinical laboratory 2011;57(3-4):213-20.
2011: Shuvra Kanti Dey; Tung Gia Phan; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Genetic diversity and emergence of norovirus GII/4-2006b in Japan during 2006-2007.
Clinical laboratory 2011;57(3-4):193-9.
2011: Shuvra Kanti Dey; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Novel recombinant sapovirus in Bangladesh.
Clinical laboratory 2011;57(1-2):91-4.
2011: Shoko Okitsu; Pattara Khamrin; Aksara Thongprachum; Niwat Maneekarn; Masashi Mizuguchi; Hiroshi Ushijima
Predominance of porcine P[23] genotype rotaviruses in piglets with diarrhea in northern Thailand.
Journal of clinical microbiology 2011;49(1):442-5.
2011: Ngan Thi Kim Pham; Sayaka Takanashi; Dinh Nguyen Tran; Quang Duy Trinh; Chandra Abeysekera; Asiri Abeygunawardene; Pattara Khamrin; Shoko Okitsu; Hiroyuki Shimizu; Masashi Mizuguchi; Hiroshi Ushijima
Human parechovirus infection in children hospitalized with acute gastroenteritis in Sri Lanka.
Journal of clinical microbiology 2011;49(1):364-6.
2010: Aksara Thongprachum; Pattara Khamrin; Natthawan Chaimongkol; Rungnapa Malasao; Shoko Okitsu; Masashi Mizuguchi; Niwat Maneekarn; Hiroshi Ushijima
Evaluation of an immunochromatography method for rapid detection of noroviruses in clinical specimens in Thailand.
Journal of medical virology 2010;82(12):2106-9.
2010: Ngan Thi Kim Pham; Quang Duy Trinh; Wisoot Chan-It; Pattara Khamrin; Hideaki Shimizu; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
A novel RT-multiplex PCR for detection of Aichi virus, human parechovirus, enteroviruses, and human bocavirus among infants and children with acute gastroenteritis.
Journal of virological methods 2010;169(1):193-7.
2010: Pattara Khamrin; Niwat Maneekarn; Satoshi Hidaka; Seigo Kishikawa; Kyoko Ushijima; Shoko Okitsu; Hiroshi Ushijima
Molecular detection of kobuvirus sequences in stool samples collected from healthy pigs in Japan.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2010;10(7):950-4.
2010: Wisoot Chan-it; Aksara Thongprachum; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Epidemiology and molecular characterization of sapovirus and astrovirus in Japan, 2008-2009.
Japanese journal of infectious diseases 2010;63(4):302-3.
2010: Shuvra Kanti Dey; Gia Tung Phan; Shuichi Nishimura; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Molecular and epidemiological trend of sapovirus, and astrovirus infection in Japan.
Journal of tropical pediatrics 2010;56(3):205-7.
2010: Quang Duy Trinh; Ngan Thi Kim Pham; Tuan Anh Nguyen; Tung Gia Phan; Hainian Yan; Le Phuc Hoang; Pattara Khamrin; Niwat Maneekarn; Yan Li; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Sequence analysis of the VP7 gene of human rotaviruses G2 and G4 isolated in Japan, China, Thailand, and Vietnam during 2001-2003.
Journal of medical virology 2010;82(5):878-85.
2010: Shuvra Kanti Dey; Outavong Phathammavong; Shoko Okitsu; Masashi Mizuguchi; Yoshimi Ohta; Hiroshi Ushijima
Seasonal pattern and genotype distribution of norovirus infection in Japan.
The Pediatric infectious disease journal 2010;29(5):e32-4.
2010: Pattara Khamrin; Shuvra Kanti Dey; Wisoot Chan-it; Aksara Thongprachum; Kenji Satou; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Evaluation of a rapid immunochromatography strip test for detection of astrovirus in stool specimens.
Journal of tropical pediatrics 2010;56(2):129-31.
2010: Pattara Khamrin; Niwat Maneekarn; Aksara Thongprachum; Natthawan Chaimongkol; Shoko Okitsu; Hiroshi Ushijima
Emergence of new norovirus variants and genetic heterogeneity of noroviruses and sapoviruses in children admitted to hospital with diarrhea in Thailand.
Journal of medical virology 2010;82(2):289-96.
2010: Ngan Thi Kim Pham; Quang Duy Trinh; Sayaka Takanashi; Chandra Abeysekera; Asiri Abeygunawardene; Hideaki Shimizu; Pattara Khamrin; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Novel human parechovirus, Sri Lanka.
Emerging infectious diseases 2010;16(1):130-2.
2010: Ngan Thi Kim Pham; Quang Duy Trinh; Pattara Khamrin; Niwat Maneekarn; Hideaki Shimizu; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Diversity of human parechoviruses isolated from stool samples collected from Thai children with acute gastroenteritis.
Journal of clinical microbiology 2010;48(1):115-9.
2009: Pattara Khamrin; Niwat Maneekarn; Aphisek Kongkaew; Sompreeya Kongkaew; Shoko Okitsu; Hiroshi Ushijima
Porcine kobuvirus in piglets, Thailand.
Emerging infectious diseases 2009;15(12):2075-6.
2009: Pattara Khamrin; Aksara Thongprachum; Natthawan Chaimongkol; Pattranuch Chusri; Shoko Okitsu; Hiroshi Ushijima; Niwat Maneekarn
Evolutionary consequences of G9 rotaviruses circulating in Thailand.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2009;9(6):1394-9.
2009: Shuvra Kanti Dey; Aksara Thongprachum; Yoshimi Ota; Tung Gia Phan; Shuichi Nishimura; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Molecular and epidemiological trend of rotavirus infection among infants and children in Japan.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2009;9(5):955-61.
2009: Shuvra Kanti Dey; Aksara Thongprachum; Abm Rafiqul Islam; Gia Tung Phan; Majibur Rahman; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Molecular analysis of G3 rotavirus among infants and children in Dhaka City, Bangladesh after 1993.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2009;9(5):983-6.
2009: Wisoot Chanit; Aksara Thongprachum; Pattara Khamrin; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Intergenogroup recombinant sapovirus in Japan, 2007-2008.
Emerging infectious diseases 2009;15(7):1084-7.
2009: Shuvra Kanti Dey; Hideaki Shimizu; Tung Gia Phan; Yuko Hayakawa; Abul Islam; Abul Faiz Mohammad Salim; Anisur Rahman Khan; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Molecular epidemiology of adenovirus infection among infants and children with acute gastroenteritis in Dhaka City, Bangladesh.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2009;9(4):518-22.
2009: Pattara Khamrin; Sayaka Takanashi; Wisoot Chan-It; Masaaki Kobayashi; Syuichi Nishimura; Noriko Katsumata; Shoko Okitsu; Niwat Maneekarn; Osamu Nishio; Hiroshi Ushijima
Immunochromatography test for rapid detection of norovirus in fecal specimens.
Journal of virological methods 2009;157(2):219-22.
2009: Ngan Thi Kim Pham; Quang Duy Trinh; Tuan Anh Nguyen; Shuvra Kanti Dey; Tung Gia Phan; Le Phuc Hoang; Pattara Khamrin; Niwat Maneekarn; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Development of genotype-specific primers for differentiation of genotypes A and B of Aichi viruses.
Journal of virological methods 2009;156(1-2):107-10.
2009: Sayaka Takanashi; Shintaro Hashira; Teiichi Matsunaga; Akira Yoshida; Tomoyuki Shiota; Phan Gia Tung; Pattara Khamrin; Shoko Okitsu; Masashi Mizuguchi; Takashi Igarashi; Hiroshi Ushijima
Detection, genetic characterization, and quantification of norovirus RNA from sera of children with gastroenteritis.
Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology 2009;44(2):161-3.
2009: Masashi Usami; Quang Duy Trinh; Fumihiro Yagyu; Yuuko Hayakawa; Noriyuki Inaba; Shoko Okitsu; Tung Gia Phan; Hiroshi Ushijima
Throughput expression of multiple G-protein coupled receptors for HIV infection in choriocarcinoma cells, trophoblasts, and breast milk cells.
Clinical laboratory 2009;55(1-2):23-30.
2009: Shuvra Kanti Dey; Yuko Hayakawa; Majibur Rahman; Rafiqul Islam; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
G2 strain of rotavirus among infants and children, Bangladesh.
Emerging infectious diseases 2009;15(1):91-4.
2009: Pattara Khamrin; Niwat Maneekarn; Supatra Peerakome; Rungnapa Malasao; Aksara Thongprachum; Wisoot Chan-It; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Molecular characterization of VP4, VP6, VP7, NSP4, and NSP5/6 genes identifies an unusual G3P[10] human rotavirus strain.
Journal of medical virology 2009;81(1):176-82.
2008: Pattara Khamrin; Supatra Peerakome; R Malasao; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima; Niwat Maneekarn
Genetic characterization of group C rotavirus isolated from a child hospitalized with acute gastroenteritis in Chiang Mai, Thailand.
Virus genes 2008;37(3):314-21.
2008: Shuvra Kanti Dey; Abul Islam; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Epidemiological and molecular analysis of astrovirus gastroenteritis in Dhaka City, Bangladesh.
Journal of tropical pediatrics 2008;54(6):423-5.
2008: Ngan Thi Kim Pham; Quang Duy Trinh; Pattara Khamrin; Le Phuc Hoang; Shuvra Kanti Dey; Tung Gia Phan; Le Phuc Hoang; Niwat Maneekarn; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Sequence analysis of the capsid gene of Aichi viruses detected from Japan, Bangladesh, Thailand, and Vietnam.
Journal of medical virology 2008;80(7):1222-7.
2008: Pattara Khamrin; Niwat Maneekarn; Supatra Peerakome; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Bovine kobuviruses from cattle with diarrhea.
Emerging infectious diseases 2008;14(6):985-6.
2008: Pattara Khamrin; Shoko Okitsu; Hiroshi Ushijima; Niwat Maneekarn
Novel nonstructural protein 4 genetic group in rotavirus of porcine origin.
Emerging infectious diseases 2008;14(4):686-8.
2008: Le Phuc Hoang; LePhuc Hoang; Le Duc Pham; Kim Trong Hoang; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima
Norovirus and sapovirus infections among children with acute gastroenteritis in Ho Chi Minh City during 2005-2006.
Journal of tropical pediatrics 2008;54(2):102-13.
2008: Tuan Anh Nguyen; Le Phuc Hoang; L D Pham; Kim Trong Hoang; Shoko Okitsu; M Mizuguchi; Hiroshi Ushijima
Use of sequence analysis of the VP4 gene to classify recent Vietnamese rotavirus isolates.
Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases 2008;14(3):235-41.
2008: Sayaka Takanashi; Michio Okame; Tomoyuki Shiota; Makiko Takagi; Fumihiro Yagyu; Phan Gia Tung; Syuichi Nishimura; Noriko Katsumata; Takashi Igarashi; Shoko Okitsu; Hiroshi Ushijima
Development of a rapid immunochromatographic test for noroviruses genogroups I and II.
Journal of virological methods 2008;148(1-2):1-8.
2008: Le Phuc Hoang; LePhuc Hoang; Le Duc Pham; Kim Trong Hoang; Misashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Identification of human astrovirus infections among children with acute gastroenteritis in the Southern Part of Vietnam during 2005-2006.
Journal of medical virology 2008;80(2):298-305.
2008: Pattara Khamrin; Tuan Anh Nguyen; Tung Gia Phan; Kenji Satou; Yuichi Masuoka; Shoko Okitsu; Niwat Maneekarn; Osamu Nishio; Hiroshi Ushijima
Evaluation of immunochromatography and commercial enzyme-linked immunosorbent assay for rapid detection of norovirus antigen in stool samples.
Journal of virological methods 2008;147(2):360-3.
2007: Le Phuc Hoang; Pattara Khamrin; Quang Duy Trinh; Tung Gia Phan; Le Duc Pham; Le Phuc Hoang; Kim Trong Hoang; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Sequence analysis of Vietnamese P[6] rotavirus strains suggests evidence of interspecies transmission.
Journal of medical virology 2007;79(12):1959-65.
2007: Pattara Khamrin; Niwat Maneekarn; Supatra Peerakome; Supin Tonusin; Rungnapa Malasao; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Genetic diversity of noroviruses and sapoviruses in children hospitalized with acute gastroenteritis in Chiang Mai, Thailand.
Journal of medical virology 2007;79(12):1921-6.
2007: Shuvra Kanti Dey; Tuan Anh Nguyen; Tung Gia Phan; Osamu Nishio; Abul Faiz Mohammad Salim; Majibur Rahman; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Molecular and epidemiological trend of norovirus associated gastroenteritis in Dhaka City, Bangladesh.
Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology 2007;40(3):218-23.
2007: Tomoyuki Shiota; Michio Okame; Sayaka Takanashi; Pattara Khamrin; Makiko Takagi; Kenji Satou; Yuichi Masuoka; Fumihiro Yagyu; Yuko Shimizu; Hideki Kohno; Masashi Mizuguchi; Shoko Okitsu; Hiroshi Ushijima
Characterization of a broadly reactive monoclonal antibody against norovirus genogroups I and II: recognition of a novel conformational epitope.
Journal of virology 2007;81(22):12298-306.
2007: Pattara Khamrin; Supatra Peerakome; Supin Tonusin; Rungnapa Malasao; Shoko Okitsu; Masashi Mizuguchi; Hiroshi Ushijima; Niwat Maneekarn
Changing pattern of rotavirus G genotype distribution in Chiang Mai, Thailand from 2002 to 2004: decline of G9 and reemergence of G1 and G2.
Journal of medical virology 2007;79(11):1775-82.
2007: Quang Duy Trinh; Ngan Thi Kim Pham; Tuan Anh Nguyen; Tung Gia Phan; Pattara Khamrin; Hainian Yan; Le Phuc Hoang; Niwat Maneekarn; Yan Li; Vladimir Kozlov; Alexei Kozlov; Shoko Okitsu; Hiroshi Ushijima
Amino acid substitutions in the VP7 protein of human rotavirus G3 isolated in China, Russia, Thailand, and Vietnam during 2001-2004.
Journal of medical virology 2007;79(10):1611-6.
2007: Tung Gia Phan; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Evidence of intragenic recombination in G1 rotavirus VP7 genes.
Journal of virology 2007;81(18):10188-94.
2007: Tung Gia Phan; Kunio Kaneshi; Yuichi Ueda; Shigekazu Nakaya; Shuichi Nishimura; Atsuko Yamamoto; Kumiko Sugita; Sayaka Takanashi; Shoko Okitsu; Hiroshi Ushijima
Genetic heterogeneity, evolution, and recombination in noroviruses.
Journal of medical virology 2007;79(9):1388-400.
2007: Tung Gia Phan; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Genetic heterogeneity, evolution and recombination in emerging G9 rotaviruses.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2007;7(5):656-63.
2007: Michio Okame; Tomoyuki Shiota; Grant S Hansman; Makiko Takagi; Fumihiro Yagyu; Sayaka Takanashi; Tung Gia Phan; Yuko Shimizu; Hideki Kohno; Shoko Okitsu; Hiroshi Ushijima
Anti-norovirus polyclonal antibody and its potential for development of an antigen-ELISA.
Journal of medical virology 2007;79(8):1180-6.
2007: Le Phuc Hoang; Pattara Khamrin; Sayaka Takanashi; Phuc Le Hoang; Le Duc Pham; Kim Trong Hoang; Kenji Satou; Yuichi Masuoka; Shoko Okitsu; Hiroshi Ushijima
Evaluation of immunochromatography tests for detection of rotavirus and norovirus among Vietnamese children with acute gastroenteritis and the emergence of a novel norovirus GII.4 variant.
Journal of tropical pediatrics 2007;53(4):264-9.
2007: Ngan Thi Kim Pham; Pattara Khamrin; Tuan Anh Nguyen; Dey Shuvra Kanti; Tung Gia Phan; Shoko Okitsu; Hiroshi Ushijima
Isolation and molecular characterization of Aichi viruses from fecal specimens collected in Japan, Bangladesh, Thailand, and Vietnam.
Journal of clinical microbiology 2007;45(7):2287-8.
2007: Quang Duy Trinh; Tuan Anh Nguyen; Tung Gia Phan; Pattara Khamrin; Hainian Yan; Le Phuc Hoang; Niwat Maneekarn; Yan Li; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Sequence analysis of the VP7 gene of human rotavirus G1 isolated in Japan, China, Thailand, and Vietnam in the context of changing distribution of rotavirus G-types.
Journal of medical virology 2007;79(7):1009-16.
2007: Tung Gia Phan; Pattara Khamrin; Trinh Duy Quang; Shuvra Kanti Dey; Sayaka Takanashi; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Emergence of intragenotype recombinant sapovirus in Japan.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2007;7(4):542-6.
2007: Tung Gia Phan; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima; Zhao-Jun Duan
Possible misidentification of GSP[6] rotavirus as a novel strain detected in humans for the first time.
Journal of clinical microbiology 2007;45(6):2098; author reply 2099.
2007: Pattara Khamrin; Niwat Maneekarn; Supatra Peerakome; Supin Tonusin; Tung Gia Phan; Shoko Okitsu; Hiroshi Ushijima
Molecular characterization of rare G3P[9] rotavirus strains isolated from children hospitalized with acute gastroenteritis.
Journal of medical virology 2007;79(6):843-51.
2007: Pattara Khamrin; Niwat Maneekarn; Supatra Peerakome; Wisoot Chan-it; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Novel porcine rotavirus of genotype P[27] shares new phylogenetic lineage with G2 porcine rotavirus strain.
Virology 2007;361(2):243-52.
2007: Shuvra Kanti Dey; Tung Gia Phan; Tuan Anh Nguyen; Osamu Nishio; Abul Faiz Mohammad Salim; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Prevalence of sapovirus infection among infants and children with acute gastroenteritis in Dhaka City, Bangladesh during 2004-2005.
Journal of medical virology 2007;79(5):633-8.
2007: Le Phuc Hoang; Fumihiro Yagyu; Michio Okame; Tung Gia Phan; Quang Duy Trinh; Hainian Yan; Kim Trong Hoang; Anh Thi Huynh Cao; Phuc Le Hoang; Shoko Okitsu; Hiroshi Ushijima
Diversity of viruses associated with acute gastroenteritis in children hospitalized with diarrhea in Ho Chi Minh City, Vietnam.
Journal of medical virology 2007;79(5):582-90.
2007: Tung Gia Phan; Pattara Khamrin; Trinh Duy Quang; Shuvra Kanti Dey; Sayaka Takanashi; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Detection and genetic characterization of group A rotavirus strains circulating among children with acute gastroenteritis in Japan.
Journal of virology 2007;81(9):4645-53.
2007: Hideaki Shimizu; Tung Gia Phan; Shuichi Nishimura; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
An outbreak of adenovirus serotype 41 infection in infants and children with acute gastroenteritis in Maizuru City, Japan.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2007;7(2):279-84.
2007: Tung Gia Phan; Pattara Khamrin; Duy Quang Trinh; Shuvra Kanti Dey; Fumihiro Yagyu; Shoko Okitsu; Osamu Nishio; Hiroshi Ushijima
Genetic characterization of group A rotavirus strains circulating among children with acute gastroenteritis in Japan in 2004-2005.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2007;7(2):247-53.
2007: Tung Gia Phan; Shuichi Nishimura; Kumiko Sugita; Tadafumi Nishimura; Shoko Okitsu; Hiroshi Ushijima
Multiple recombinant noroviruses in Japan.
Clinical laboratory 2007;53(9-12):567-70.
2007: Xiaojie Sang; Tung Gia Phan; Shinichi Sugihara; Fumihiro Yagyu; Shoko Okitsu; Niwat Maneekarn; Werner E G Müller; Hiroshi Ushijima
Photocatalytic inactivation of diarrheal viruses by visible-light-catalytic titanium dioxide.
Clinical laboratory 2007;53(7-8):413-21.
2007: Tung Gia Phan; Pattara Khamrin; Miho Akiyama; Fumihiro Yagyu; Shoko Okitsu; Niwat Maneekarn; Osamu Nishio; Hiroshi Ushijima
Detection and genetic characterization of norovirus in oysters from China and Japan.
Clinical laboratory 2007;53(7-8):405-12.
2007: Yoshitaka Terao; Hirotaka Takagi; Tung Gia Phan; Shoko Okitsu; Hiroshi Ushijima
Identification of antibody against porcine coronavirus in human milk.
Clinical laboratory 2007;53(3-4):129-30.
2007: Kohsuke Makita; Yuko Hayakawa; Michio Okame; Kazuhiro Homma; Tung Gia Phan; Shoko Okitsu; Hiroshi Ushijima
First detection of IgA against norovirus in breast milk.
Clinical laboratory 2007;53(3-4):125-8.
2007: Tung Gia Phan; Quang Duy Trinh; Pattara Khamrin; Kunio Kaneshi; Yuichi Ueda; Shigekazu Nakaya; Shuichi Nishimura; Kumiko Sugita; Tadashi Nishimura; Atsuko Yamamoto; Sayaka Takanashi; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Emergence of new variant rotavirus G3 among infants and children with acute gastroenteritis in Japan during 2003-2004.
Clinical laboratory 2007;53(1-2):41-8.
2007: Tung Gia Phan; Quang Duy Trinh; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Emergence of rare sapovirus genotype among infants and children with acute gastroenteritis in Japan.
European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology 2007;26(1):21-7.
2006: Michio Okame; Shiho Akihara; Grant S Hansman; Yan Hainian; Huy Tran; Tung Gia Phan; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Existence of multiple genotypes associated with acute gastroenteritis during 6-year survey of norovirus infection in Japan.
Journal of medical virology 2006;78(10):1318-24.
2006: Pattara Khamrin; Niwat Maneekarn; Supatra Peerakome; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima
Molecular characterization of a rare G3P[3] human rotavirus reassortant strain reveals evidence for multiple human-animal interspecies transmissions.
Journal of medical virology 2006;78(7):986-94.
2006: Tung Gia Phan; Toshimasa Kuroiwa; Kunio Kaneshi; Yuichi Ueda; Shigekazu Nakaya; Shuichi Nishimura; Atsuko Yamamoto; Kumiko Sugita; Tadashi Nishimura; Fumihiro Yagyu; Shoko Okitsu; Werner E G Müller; Niwat Maneekarn; Hiroshi Ushijima
Changing distribution of norovirus genotypes and genetic analysis of recombinant GIIb among infants and children with diarrhea in Japan.
Journal of medical virology 2006;78(7):971-8.
2006: Tung Gia Phan; Quang Duy Trinh; Fumihiro Yagyu; Kumiko Sugita; Shoko Okitsu; Werner E G Müller; Hiroshi Ushijima
Outbreak of sapovirus infection among infants and children with acute gastroenteritis in Osaka City, Japan during 2004-2005.
Journal of medical virology 2006;78(6):839-46.
2006: Pattara Khamrin; Supatra Peerakome; Lumduan Wongsawasdi; Supin Tonusin; Penpuck Sornchai; Varunee Maneerat; Chantana Khamwan; Fumihiro Yagyu; Shoko Okitsu; Hiroshi Ushijima; Niwat Maneekarn
Emergence of human G9 rotavirus with an exceptionally high frequency in children admitted to hospital with diarrhea in Chiang Mai, Thailand.
Journal of medical virology 2006;78(2):273-80.
2006: Tung Gia Phan; Sayaka Takanashi; Kunio Kaneshi; Yuichi Ueda; Shigekazu Nakaya; Shuichi Nishimura; Kumiko Sugita; Tadashi Nishimura; Atsuko Yamamoto; Fumihiro Yagyu; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Detection and genetic characterization of norovirus strains circulating among infants and children with acute gastroenteritis in Japan during 2004-2005.
Clinical laboratory 2006;52(9-10):519-25.
2006: Tung Gia Phan; Hideaki Shimizu; Shuichi Nishimura; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Human adenovirus type 1 related to feline adenovirus: evidence of interspecies transmission.
Clinical laboratory 2006;52(9-10):515-8.
2006: Tung Gia Phan; Hainian Yan; Pattara Khamrin; Trinh Duy Quang; Shuvra Kanti Dey; Fumihiro Yagyu; Shoko Okitsu; Werner E G Müller; Hiroshi Ushijima
Novel intragenotype recombination in sapovirus.
Clinical laboratory 2006;52(7-8):363-6.
2006: Tung Gia Phan; Fumihiro Yagyu; Vladimir Kozlov; Alexei Kozlov; Shoko Okitsu; Werner E G Müller; Hiroshi Ushijima
Viral gastroenteritis and genetic characterization of recombinant norovirus circulating in Eastern Russia.
Clinical laboratory 2006;52(5-6):247-53.
2006: M Yoshinaga; Tung Gia Phan; Tuan Anh Nguyen; Hainian Yan; Fumihiro Yagyu; Shoko Okitsu; W E G Müller; Hiroshi Ushijima
Changing distribution of group A rotavirus G-types and genetic analysis of G9 circulating in Japan.
Archives of virology 2006;151(1):183-92.
2005: Shiho Akihara; Tung Gia Phan; Tuan Anh Nguyen; Fumihiro Yagyu; Shoko Okitsu; Werner E G Müller; Hiroshi Ushijima
Identification of sapovirus infection among Japanese infants in a day care center.
Journal of medical virology 2005;77(4):595-601.
2005: Tung Gia Phan; Tuan Anh Nguyen; Hideaki Shimizu; Fumihiro Yagyu; Shoko Okitsu; Werner E G Müller; Hiroshi Ushijima
Identification of enteroviral infection among infants and children admitted to hospital with acute gastroentritis in Ho Chi Minh City, Vietnam.
Journal of medical virology 2005;77(2):257-64.
2005: Shiho Akihara; Tung Gia Phan; Tuan Anh Nguyen; Grant S Hansman; Shoko Okitsu; Hiroshi Ushijima
Existence of multiple outbreaks of viral gastroenteritis among infants in a day care center in Japan.
Archives of virology 2005;150(10):2061-75.
2005: Tung Gia Phan; Tuan Anh Nguyen; Shuichi Nishimura; Tadashi Nishimura; Atsuko Yamamoto; Shoko Okitsu; Hiroshi Ushijima
Etiologic agents of acute gastroenteritis among Japanese infants and children: virus diversity and genetic analysis of sapovirus.
Archives of virology 2005;150(7):1415-24.
2005: Tung Gia Phan; Tuan Anh Nguyen; Hainian Yan; Shoko Okitsu; Hiroshi Ushijima
A novel RT-multiplex PCR for enteroviruses, hepatitis A and E viruses and influenza A virus among infants and children with diarrhea in Vietnam.
Archives of virology 2005;150(6):1175-85.
2005: Fumihiro Yagyu; Shoko Okitsu; Kenichi Tanamoto; Hiroshi Ushijima
Determination of HIV-1 subtypes (A-D, F, G, CRF01_AE) by PCR in the transmembrane region (gp41) with novel primers.
Journal of medical virology 2005;76(1):16-23.
2005: Hainian Yan; Toshiaki Abe; Tung Gia Phan; Tuan Anh Nguyen; Tatuya Iso; Yasunori Ikezawa; Kiyo Ishii; Shoko Okitsu; Hiroshi Ushijima
Outbreak of acute gastroenteritis associated with group A rotavirus and genogroup I sapovirus among adults in a mental health care facility in Japan.
Journal of medical virology 2005;75(3):475-81.
2005: Tung Gia Phan; Michio Okame; Tuan Anh Nguyen; Osamu Nishio; Shoko Okitsu; Hiroshi Ushijima
Genetic diversity of sapovirus in fecal specimens from infants and children with acute gastroenteritis in Pakistan.
Archives of virology 2005;150(2):371-7.
2005: Tung Gia Phan; Tuan Anh Nguyen; Hainian Yan; Fumihiro Yagyu; Vladimir Kozlov; Alexei Kozlov; Shoko Okitsu; Werner E G Müller; Hiroshi Ushuijma
Development of a novel protocol for RT-multiplex PCR to detect diarrheal viruses among infants and children with acute gastroenteritis in Eastern Russia.
Clinical laboratory 2005;51(7-8):429-35.
2005: Tung Gia Phan; Tuan Anh Nguyen; Toshimasa Kuroiwa; Kunio Kaneshi; Yuichi Ueda; Shigekazu Nakaya; Shuichi Nishimura; Tadashi Nishimura; Atsuko Yamamoto; Shoko Okitsu; Hiroshi Ushijima
Viral diarrhea in Japanese children: results from a one-year epidemiologic study.
Clinical laboratory 2005;51(3-4):183-91.
2005: Lei Li; Tung Gia Phan; Tuan Anh Nguyen; Kyo Sun Kim; Jeong Kee Seo; Hideaki Shimizu; Eiko Suzuki; Shoko Okitsu; Hiroshi Ushijima
Molecular epidemiology of adenovirus infection among pediatric population with diarrhea in Asia.
Microbiology and immunology 2005;49(2):121-8.
2004: Grant S Hansman; Lan Thi Phuong Doan; T A Kguyen; Shoko Okitsu; K Katayama; S Ogawa; Katsuro Natori; N Takeda; Y Kato; Osamu Nishio; M Noda; Hiroshi Ushijima
Detection of norovirus and sapovirus infection among children with gastroenteritis in Ho Chi Minh City, Vietnam.
Archives of virology 2004;149(9):1673-88.
2004: Lei Li; Hideaki Shimizu; Lan Thi Phuong Doan; Phan Gia Tung; Shoko Okitsu; Osamu Nishio; Eiko Suzuki; Jeong Kee Seo; Kyo Sun Kim; Werner E G Müller; Hiroshi Ushijima
Characterizations of adenovirus type 41 isolates from children with acute gastroenteritis in Japan, Vietnam, and Korea.
Journal of clinical microbiology 2004;42(9):4032-9.
2004: Tung Gia Phan; Shuichi Nishimura; Michio Okame; Tuan Anh Nguyen; Pattara Khamrin; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Virus diversity and an outbreak of group C rotavirus among infants and children with diarrhea in Maizuru city, Japan during 2002-2003.
Journal of medical virology 2004;74(1):173-9.
2004: Hainian Yan; Tuan Anh Nguyen; Tung Gia Phan; Shoko Okitsu; Yan Li; Hiroshi Ushijima
Development of RT-multiplex PCR assay for detection of adenovirus and group A and C rotaviruses in diarrheal fecal specimens from children in China.
Kansenshōgaku zasshi. The Journal of the Japanese Association for Infectious Diseases 2004;78(8):699-709.
2004: Tung Gia Phan; Michio Okame; Tuan Anh Nguyen; Niwat Maneekarn; Osamu Nishio; Shoko Okitsu; Hiroshi Ushijima
Human astrovirus, norovirus (GI, GII), and sapovirus infections in Pakistani children with diarrhea.
Journal of medical virology 2004;73(2):256-61.
2004: Grant S Hansman; Kazuhiko Katayama; Niwat Maneekarn; Supatra Peerakome; Pattara Khamrin; Supin Tonusin; Shoko Okitsu; Osamu Nishio; Naokazu Takeda; Hiroshi Ushijima
Genetic diversity of norovirus and sapovirus in hospitalized infants with sporadic cases of acute gastroenteritis in Chiang Mai, Thailand.
Journal of clinical microbiology 2004;42(3):1305-7.
2003: Tatsunori Sakamoto; Hiroshi Ushijima; Shoko Okitsu; Eiko Suzuki; Koji Sakai; Shigeru Morikawa; Werner E G Müller
Establishment of an HIV cell-cell fusion assay by using two genetically modified HeLa cell lines and reporter gene.
Journal of virological methods 2003;114(2):159-66.
2003: Hainian Yan; Fumihiro Yagyu; Shoko Okitsu; Osamu Nishio; Hiroshi Ushijima
Detection of norovirus (GI, GII), Sapovirus and astrovirus in fecal samples using reverse transcription single-round multiplex PCR.
Journal of virological methods 2003;114(1):37-44.
2003: Michio Okame; Hainen Yan; Shiho Akihara; Shoko Okitsu; Hideki Tani; Yoshiharu Matsuura; Hiroshi Ushijima
Evaluation of a newly developed immunochromatographic method for detection of norovirus.
Kansenshōgaku zasshi. The Journal of the Japanese Association for Infectious Diseases 2003;77(8):637-9.
2003: Lan Thi Phuong Doan; Shoko Okitsu; Osamu Nishio; Dung Trung Pham; Dung Hoang Nguyen; Hiroshi Ushijima
Epidemiological features of rotavirus infection among hospitalized children with gastroenteristis in Ho Chi Minh City, Vietnam.
Journal of medical virology 2003;69(4):588-94.
2003: Yumei Zhou; Lei Li; Shoko Okitsu; Niwat Maneekarn; Hiroshi Ushijima
Distribution of human rotaviruses, especially G9 strains, in Japan from 1996 to 2000.
Microbiology and immunology 2003;47(8):591-9.