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Hirai Itaru  平井 到

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平井 到  ヒライ イタル

HIRAI Itaru  平井 到

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Researcher Number 00359994
Other IDs
Affiliation (Current) 2025: 琉球大学, 医学部, 教授
Affiliation (based on the past Project Information) *help 2023: 琉球大学, 医学部, 教授
2017 – 2020: 琉球大学, 医学部, 教授
2013 – 2015: 琉球大学, 医学部, 教授
2012: 大阪大学, グローバルコラボレーションセンター, 特任教授
2012: 大阪大学, 学内共同利用施設等, 教授 … More
2012: 大阪大学, 学内共同研究利用施設等, 教授
2011: 大阪大学, 医学(系)研究科(研究院), 准教授
2011: 大阪大学, 大学院・医学系研究科, 准教授
2010 – 2011: 大阪大学, 医学系研究科, 准教授
2008: Osaka University, 大学院・医学系研究科, 准教授
2007 – 2008: Osaka University, 医学系研究科, 准教授
2006: Osaka University, Graduate School of Medicine, Associate Professor, 医学系研究科, 助教授
2004 – 2005: 札幌医科大学, 附属がん研究所, 助手
2003: 札幌医科大学, 医学部付属がん研究所, 助手 Less
Review Section/Research Field
Principal Investigator
Bacteriology (including Mycology) / Basic Section 58020:Hygiene and public health-related: including laboratory approach / Hygiene and public health / General medical chemistry / Bacteriology (including mycology) / Experimental pathology
Except Principal Investigator
Medical sociology / Laboratory medicine
Keywords
Principal Investigator
遺伝子 / 薬剤耐性菌 / 肺炎クラミジア / 微生物 / シグナル伝達 / 細胞周期 / ベトナム / 遺伝学的多様性 / 抗生物質 / 感染症 … More / 健康保菌 / cell cycle / cancer / gene / 生体分子 / 癌 / 遺伝子導入 / 組み換えファージシステム / 細菌 / チェックポイント … More
Except Principal Investigator
健常人 / 薬剤耐性腸内細菌 / 日本 / 腸内細菌 / 薬剤耐性菌 / ベトナム / タイ / ESBL産生腸内細菌 Less
  • Research Projects

    (9 results)
  • Research Products

    (85 results)
  • Co-Researchers

    (4 People)
  •  Genetic diversity of antimicrobial-resistant bacteria spreading in rural areas of VietnamPrincipal Investigator

    • Principal Investigator
      平井 到
    • Project Period (FY)
      2023 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 58020:Hygiene and public health-related: including laboratory approach
    • Research Institution
      University of the Ryukyus
  •  Elucidating the meaning of healthy carrier of drug-resistant bacteria in the community for contain the spread of drug-resistant bacteriaPrincipal Investigator

    • Principal Investigator
      Hirai Itaru
    • Project Period (FY)
      2017 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Hygiene and public health
    • Research Institution
      University of the Ryukyus
  •  Establishing of Chlamydia phage mediated novel gene transfer system for Chlamydia pneumoniae.Principal Investigator

    • Principal Investigator
      Hirai Itaru
    • Project Period (FY)
      2014 – 2015
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Bacteriology (including mycology)
    • Research Institution
      University of the Ryukyus
  •  Effect of a potential Chlamydial effecter protein, CpB0850 on cell cycle progression of host cellsPrincipal Investigator

    • Principal Investigator
      HIRAI Itaru
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Bacteriology (including Mycology)
    • Research Institution
      University of the Ryukyus
      Osaka University
  •  Study on spreading mechanisms of antibiotic-resistant bacteria in Thailand

    • Principal Investigator
      YAMAMOTO Yoshimasa
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Laboratory medicine
    • Research Institution
      Osaka Prefectural Institute of Public Health
      Osaka University
  •  Study of the widespread of drug-resistant Enterobacteriaceae among healthy people in Japan

    • Principal Investigator
      YAMAMOTO Yoshimasa
    • Project Period (FY)
      2010 – 2011
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Medical sociology
    • Research Institution
      Osaka Prefectural Institute of Public Health
      Osaka University
  •  Biochemical analysis of the effect of Chlamydia pneumoniae infectionon miRNA expression and host cellular functions.Principal Investigator

    • Principal Investigator
      HIRAI Itaru
    • Project Period (FY)
      2007 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Bacteriology (including Mycology)
    • Research Institution
      Osaka University
  •  Analysis of roles of checkpoint protein complex 9-1-1 on cell cycle regulationPrincipal Investigator

    • Principal Investigator
      HIRAI Itaru
    • Project Period (FY)
      2005 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General medical chemistry
    • Research Institution
      Osaka University
      Sapporo Medical University
  •  細胞周期チェックポイント制御に関わるヒトRad9の関与するシグナル伝達と機能制御Principal Investigator

    • Principal Investigator
      平井 到
    • Project Period (FY)
      2003 – 2004
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Experimental pathology
    • Research Institution
      Sapporo Medical University

All 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2009 2008 2007 2005 2004 2003 Other

All Journal Article Presentation Other

  • [Journal Article] Comparison of species, virulence genes and clones of Aeromonas isolates from clinical specimens and well water in Okinawa Prefecture, Japan2021

    • Author(s)
      Miyagi K.、Shimoji N.、Shimoji S.、Tahara R.、Uechi A.、Tamaki I.、Oshiro H.、Komiyama A.、Tedokon M.、Hirai I.
    • Journal Title

      Journal of Applied Microbiology

      Volume: - Issue: 3 Pages: 1515-1530

    • DOI

      10.1111/jam.15038

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Journal Article] A high-throughput sequencing determination method for upstream genetic structure (UGS) of ISEcp1-blaCTX-M transposition unit and application of the UGS to classification of bacterial isolates possessing blaCTX-M2021

    • Author(s)
      Yagi Nobuyoshi、Hamamoto Kouta、Thi Bui Kim Ngan、Ueda Shuhei、Tawata Saki、Le Danh Tuyen、Thi Bui Mai Huong、Hirai Itaru
    • Journal Title

      Journal of Infection and Chemotherapy

      Volume: - Issue: 9 Pages: 1288-1294

    • DOI

      10.1016/j.jiac.2021.04.001

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Journal Article] Characterization of blaCTX-M-14 transposition from plasmid to chromosome in Escherichia coli experimental strain2020

    • Author(s)
      Hamamoto Kouta、Tokunaga Toshiro、Yagi Nobuyoshi、Hirai Itaru
    • Journal Title

      International Journal of Medical Microbiology

      Volume: 310 Issue: 2 Pages: 151395-151395

    • DOI

      10.1016/j.ijmm.2020.151395

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H04663, KAKENHI-PROJECT-17J08848
  • [Journal Article] Characterization of CTX-M-type-extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae isolated from Indonesian undergraduate medical students of a university in Surabaya, Indonesia2020

    • Author(s)
      Rosantia Sarassari、Higa Takuya、Yagi Nobuyoshi、Tokunaga Toshiro、Higa Seina、Yakabi Yasuaki、Shirakawa Toshiro、Kuntaman Kuntaman、Hirai Itaru
    • Journal Title

      Journal of Infection and Chemotherapy

      Volume: - Issue: 6 Pages: 575-581

    • DOI

      10.1016/j.jiac.2020.01.010

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Journal Article] High Prevalence of Colistin-Resistant Escherichia coli with Chromosomally Carried mcr-1 in Healthy Residents in Vietnam2020

    • Author(s)
      Yamaguchi Takahiro、Kawahara Ryuji、Hamamoto Kouta、Hirai Itaru、Khong Diep Thi、Nguyen Thang Nam、Tran Hoa Thi、Motooka Daisuke、Nakamura Shota、Yamamoto Yoshimasa
    • Journal Title

      mSphere

      Volume: 5 Issue: 2

    • DOI

      10.1128/msphere.00117-20

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04663, KAKENHI-PROJECT-17J08848, KAKENHI-PROJECT-17H01687
  • [Journal Article] A survey of extended-spectrum β-lactamase-producing Enterobacteriaceae in environmental water in Okinawa Prefecture of Japan and relationship with indicator organisms2019

    • Author(s)
      Miyagi Kazufumi、Hirai Itaru
    • Journal Title

      Environmental Science and Pollution Research

      Volume: 26 Issue: 8 Pages: 7697-7710

    • DOI

      10.1007/s11356-019-04189-z

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Journal Article] Characterisation of chromosomally-located blaCTX-M and its surrounding sequence in CTX-M-type extended-spectrum β-lactamase-producing Escherichia coli isolates2019

    • Author(s)
      Hamamoto Kouta、Hirai Itaru
    • Journal Title

      Journal of Global Antimicrobial Resistance

      Volume: 17 Pages: 53-57

    • DOI

      10.1016/j.jgar.2018.11.006

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H04663, KAKENHI-PROJECT-17J08848
  • [Journal Article] Wide dissemination of colistin-resistant Escherichia coli with the mobile resistance gene mcr in healthy residents in Vietnam2019

    • Author(s)
      Yamamoto, Y.,Kawahara, R., Fujiya, Y., Sasaki, T., Hirai, I., Khong, D. T., Nguyen, T. N., Nguyen, B. X.
    • Journal Title

      J Antimicrob Chemother

      Volume: 74 Issue: 2 Pages: 523-524

    • DOI

      10.1093/jac/dky435

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01687, KAKENHI-PROJECT-17H04663
  • [Journal Article] Characterization of CTX-M type ESBL-producing Enterobacteriaceae isolated from asymptomatic healthy individuals who live in a community of the Okinawa prefecture, Japan2019

    • Author(s)
      Higa Seina、Sarassari Rosantia、Hamamoto Kouta、Yakabi Yasuaki、Higa Kanta、Koja Yasuko、Hirai Itaru
    • Journal Title

      Journal of Infection and Chemotherapy

      Volume: 25 Issue: 4 Pages: 314-317

    • DOI

      10.1016/j.jiac.2018.09.005

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H04663, KAKENHI-PROJECT-17J08848
  • [Journal Article] Sanitary evaluation of domestic water supply facilities with storage tanks and detection of Aeromonas, enteric and related bacteria in domestic water facilities in Okinawa Prefecture of Japan.2017

    • Author(s)
      Miyagi K, Sano K, Hirai I
    • Journal Title

      Water Res.

      Volume: 119 Pages: 171-177

    • DOI

      10.1016/j.watres.2017.04.002

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Journal Article] Potential transmission opportunity of CTX-M-producing Escherichia coli on a large-scale chicken farm in Vietnam.2017

    • Author(s)
      Bui TKN, Bui TMH, Ueda S, Le DT, Yamamoto Y, Hirai I
    • Journal Title

      J Glob Antimicrob Resist

      Volume: 13 Pages: 1-6

    • DOI

      10.1016/j.jgar.2017.09.014

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Journal Article] Current status of extended spectrum β-lactamase-producing Escherichia coli, Klebsiella pneumoniae and Proteus mirabilis in Okinawa prefecture, Japan.2016

    • Author(s)
      Nakama R, Shingaki A, Miyazato H, Higa R, Nagamoto C, Hamamoto K, Ueda S, Hachiman T, Touma Y, Miyagi K, Kawahara R, Toyosato T, Hirai I
    • Journal Title

      J Infect Chemother.

      Volume: S1341-321X Issue: 5 Pages: 00029-5

    • DOI

      10.1016/j.jiac.2016.01.008

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26670214
  • [Journal Article] High Prevalence of Chromosomal blaCTX-M-14 in Escherichia coli Isolates Possessing blaCTX-M-14.2016

    • Author(s)
      Hamamoto K, Ueda S, Toyosato T, Yamamoto Y, Hirai I
    • Journal Title

      Antimicrob Agents Chemother

      Volume: 60 Issue: 4 Pages: 2582-4

    • DOI

      10.1128/aac.00108-16

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26670214
  • [Journal Article] Carriage of Escherichia coli Producing CTX-M-Type Extended-Spectrum β-Lactamase in Healthy Vietnamese Individuals.2015

    • Author(s)
      Bui TM, Hirai I, Ueda S, Bui TK, Hamamoto K, Toyosato T, Le DT, Yamamoto Y
    • Journal Title

      Antimicrob Agents Chemother.

      Volume: 59 Issue: 10 Pages: 6611-4

    • DOI

      10.1128/aac.00776-15

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26670214
  • [Journal Article] Fecal carriage of CTX-M β-lactamase-producing Enterobacteriaceae in nursing homes in the Kinki region of Japan.2013

    • Author(s)
      Luvsansharav UO, Hirai I, Niki M, Nakata A, Yoshinaga A, Yamamoto A, Yamamoto M, Toyoshima H, Kawakami F, Matsuura N, Yamamoto Y.
    • Journal Title

      Infect Drug Resist.

      Volume: 6 Pages: 67-70

    • DOI

      10.2147/idr.s43868

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Chlamydophila pneumoniae in Human Immortal Jurkat cells and Primary Lymphocytes Uncontrolled by Interferon-γ2013

    • Author(s)
      Kasumi Ishida. Takeru Kubo, Ayumi Saeki, Chikayo Yamane, Junji Matsuo, Yimin, Shinji Nakamura, Yasuhiro Hayashi, Miyuki Kunichika, Mitsutaka Yoshida, Kaori Takahashi, Itaru Hirai, Yoshimasa Yamamoto, Kenichiro Shibata, Hiroyuki Yamaguchi
    • Journal Title

      Microbes and Infection

      Volume: 15 Issue: 3 Pages: 192-200

    • DOI

      10.1016/j.micinf.2012.11.006

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-12J03692, KAKENHI-PROJECT-23590505, KAKENHI-PROJECT-24659194, KAKENHI-PROJECT-24890006, KAKENHI-PUBLICLY-24117501
  • [Journal Article] Jurkat cell proliferation is suppressed by Chlamydia (Chlamydophila) pneumoniae infection accompanied with attenuation of phosphorylation at Thr389 of host cellular p70S6K.2013

    • Author(s)
      Hirai I, Ebara M, Nakanishi S, Yamamoto C, Sasaki T, Ikuta K, Yamamoto Y.
    • Journal Title

      Immunobiology.

      Volume: 218(4) Issue: 4 Pages: 527-532

    • DOI

      10.1016/j.imbio.2012.06.008

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Human monoclonal antibodies to neutralize all dengue virus serotypes using lymphocytes from patients at acute phase of the secondary infection2013

    • Author(s)
      Setthapramote C, Sasaki T, Puiprom O, Limkittikul K, Pitaksajjakul P, Pipattanaboon C, Sasayama M, Leuangwutiwong P, Phumratanaprapin W, Chamnachanan S, Kusolsuk T, Jittmittraphap A, Asai A, Arias JF, Hirai I, Kuhara M, Okuno Y, Kurosu T, Ramasoota P, Ikuta K
    • Journal Title

      Biochem Biophys Res Commun

      Volume: 432(1) Pages: 200-1

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Dengue virus neutralization and antibody-dependent enhancement activities of human monoclonal antibodies derived from dengue patients at acute phase of secondary infection2013

    • Author(s)
      Sasaki T, Setthapramote C, Kurosu T, Nishimura M, Asai A, Omokoko MD, Pipattanaboon C, Pitaksajjakul P, Limkittikul K, Subchareon A, Chaichana P, Okabayashi T, Hirai I, Leuangwutiwong P, Misaki R, Fujiyama K, Ono KI, Okuno Y, Ramasoota P, Ikuta K
    • Journal Title

      Antiviral Res

      Volume: 98(3) Pages: 423-31

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Chlamydophila pneumoniae in human immortal Jurkat cells and primary lymphocytes uncontrolled by interferon-γ2013

    • Author(s)
      Ishida K, Kubo T, Saeki A, Yamane C, Matsuo J, Yimin, Nakamura S, Hayashi Y, Kunichika M, Yoshida M, Takahashi K, Hirai I, Yamamoto Y, Shibata K, Yamaguchi H
    • Journal Title

      Microbes Infect

      Volume: 15(3) Pages: 192-200

    • NAID

      120005228354

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Detection of chromosomal blaCTX-M-15 in Escherichia coli O25b-B2-ST131 isolates from the Kinki region of Japan2013

    • Author(s)
      Hirai I, Fukui N, Taguchi M, Yamauchi K, Nakamura T, Okano S, Yamamoto Y
    • Journal Title

      Int J Antimicrob Agents

      Volume: 42(6) Pages: 500-6

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Jurkat cell proliferation is suppressed by Chlamydia (Chlamydophila) pneumoniae infection accompanied with attenuation of phosphorylation at Thr389 of host cellular p70S6 K2013

    • Author(s)
      Hirai I, Ebara M, Nakanishi M, Yamamoto C, Sasaki T, Ikuta K, Yamamoto Y
    • Journal Title

      Immunobiology

      Volume: 218(4) Pages: 527-532

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Fecal carriage of CTX-Mβ-lactamase-producing Enterobacteriaceae in nursing homes in the Kinki region of Japan2013

    • Author(s)
      Luvsansharav UO, Hirai I, Niki M, Nakata A, Yoshinaga A, Yamamoto A, Yamamoto M, Toyoshima H, Kawakami F, Matsuura N, Yamamoto Y
    • Journal Title

      Infect Drug Resist

      Volume: 22;6 Pages: 67-70

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Detection of chromosomal blaCTX-M-15 in Escherichia coli O25b-B2-ST131 isolates from the Kinki region of Japan.2013

    • Author(s)
      Hirai I, Fukui N, Taguchi M, Yamauchi K, Nakamura T, Okano S, Yamamoto Y.
    • Journal Title

      Int J Antimicrob Agents.

      Volume: 42(6) Issue: 6 Pages: 500-506

    • DOI

      10.1016/j.ijantimicag.2013.08.005

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Prevalence of and risk factors associated with faecal carriage of CTX-M beta-lactamase-producing Enterobacteriaceae in rural Thai communities2012

    • Author(s)
      Ulzii-Orshikh Luvsansharav
    • Journal Title

      Journal of Antimicrobial Chemotherapy

      Volume: 67 Issue: 7 Pages: 1769-1774

    • DOI

      10.1093/jac/dks118

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22406015, KAKENHI-PROJECT-23590505
  • [Journal Article] Chlamydia trachomatis serovar L2 Infection Model Using Human Lymphoid Jurkat cells.2012

    • Author(s)
      Takeru Kubo, Kasumi Ishida. Junji Matsuo, Shinji Nakamura, Yasuhiro Hayashi, Haruna Sakai, Mitsutaka Yoshida, Kaori Takahashi, Itaru Hirai, Yoshimasa Yamamoto, Hiroyuki
    • Journal Title

      Microbial Pathogenesis

      Volume: 53 Issue: 1 Pages: 41-285

    • DOI

      10.1016/j.micpath.2012.02.005

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-12J03692, KAKENHI-PROJECT-21590474, KAKENHI-PROJECT-23590505
  • [Journal Article] Prevalence of and risk factors associated with fecal carriage of CTX-Mβ-lactamase-producing Enterobacteriaceae in rural Thai communities2012

    • Author(s)
      Luvsansharav UO, Hirai I, Nakata A, Imura K, Yamauchi K, Niki M, Komalamisra C, Kusolsuk T, Yamamoto Y
    • Journal Title

      J Antimicrob Chemother

      Volume: 67(7) Pages: 1769-74

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Chlamydia trachomatis serovar L2 infection model using human lymphoid Jurkat cells2012

    • Author(s)
      Kubo T, Ishida K, Matsuo J, Nakamura S, Hayashi Y, Sakai H, Yoshida M, Takahashi K, Hirai I, Yamamoto Y, Yamaguchi Y
    • Journal Title

      Microb Pathog

      Volume: 53(1) Pages: 1-11

    • NAID

      120005946711

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Epidemiology of Escherichia coli, Klebsiella Species, and Proteus mirabilis Strains Producing Extended-Spectrumβ-Lactamases From Clinical Samples in the Kinki Region of Japan2012

    • Author(s)
      Nakamura T, Komatsu M, Yamasaki K, Fukuda S, Miyamoto Y, Higuchi T, Ono T, Nishio H, Sueyoshi N, Kida K, Satoh K, Toda H, Toyokawa M, Nishi I, Sakamoto M, Akagi M, Nakai I, Kofuku T, Orita T, Wada Y, Zikimoto T, Koike C, Kinoshita S, Hirai I, Takahashi H, Matsuura N, Yamamoto Y
    • Journal Title

      Am J Clin Pathol

      Volume: 137(4) Pages: 620-6

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Prevalence of and risk factors associated with faecal carriageof CTX-MK (3-lactamase-producing Enterobacteriaceae in rural Thai communities2012

    • Author(s)
      Luvsansharav, U. O. , Hirai, I. Nakata, A. , Imura, K. , Yamauchi, K., Niki, M., Komalamisra, C. , Kusolsuk, T., Yamamoto, Y
    • Journal Title

      J. Antimicrobial Chemotherapy

      Volume: 67 Pages: 1769-1774

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22406015
  • [Journal Article] Chlamydophila pneumoniae attachment and infection in low proteoglycan expressing human lymphoid Jurkat cells2011

    • Author(s)
      Kobayashi M, Ishida K, Matsuo J, Nakamura S, Nagasawa A, Motohashi K, Yao T, Hirai I, Yamamoto Y, Suzuki H, Shimizu C, Matsuno K, Yamaguchi H
    • Journal Title

      Microb Pathog

      Volume: 51(3) Pages: 209-16

    • NAID

      120003295071

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Extended-spectrum β-lactamase-producing Escherichia coli strains in the feces of carriers contribute substantially to urinary tract infections in these patients.2011

    • Author(s)
      Niki M, Hirai I, Yoshinaga A, Ulzii-Orshikh L, Nakata A, Yamamoto A, Yamamoto M, Yamamoto Y.
    • Journal Title

      Infection

      Volume: 39 Issue: 5 Pages: 467-471

    • DOI

      10.1007/s15010-011-0128-2

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Prevalence of fecal carriage of extended-spectrum β-lactamase-producing Enterobacteriaceae among healthy adult people in Japan.2011

    • Author(s)
      Luvsansharav UO, Hirai I, Niki M, Nakata A, Yoshinaga A, Moriyama T, Yamamoto Y.
    • Journal Title

      J Infect Chemother

      Volume: 17 Issue: 5 Pages: 722-725

    • DOI

      10.1007/s10156-011-0225-2

    • NAID

      10030225576

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Analysis of risk factors for a high prevalence of extended-spectrum {beta}-lactamase-producing Enterobacteriaceae in asymptomatic individuals in rural Thailand.2011

    • Author(s)
      Luvsansharav UO, Hirai I, Niki M, Sasaki T, Makimoto K, Komalamisra C, Maipanich W, Kusolsuk T, Sa-Nguankiat S, Pubampen S, Yamamoto Y.
    • Journal Title

      J Med Microbiol.

      Volume: 60 Issue: 5 Pages: 619-624

    • DOI

      10.1099/jmm.0.026955-0

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] 医療系学生における基質特異性拡張型βラクタマーゼ産生腸内細菌保持率2011

    • Author(s)
      仁木真理恵,平井到,山本容正
    • Journal Title

      日本環境感染学会誌

      Volume: 26(3) Pages: 154-156

    • NAID

      10030236799

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Analysis of risk factors for a high prevalence of extended-spectrum /3 -lactamase-producing Enterobacteriaceae in asymptomatic individuals in rural Thailand2011

    • Author(s)
      Luvsansharav, U. O. , Hirai, I. , Niki, M. , Sasaki, T., Makimoto, K., Komalamisra, C., Maipanich, W., Kusolsuk, T., Sa-nguankiat, S., Pubampen, S. , Yamamoto, Y
    • Journal Title

      J. Med. Mi crobiol

      Volume: 60 Pages: 619-624

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22406015
  • [Journal Article] Analysis of risk factors for a high prevalence of extended-spectrumβ-lactamase-producing Enterobacteriaceae in asymptomatic individuals in rural Thailand2011

    • Author(s)
      Luvsansharav UO, Hirai I, Niki M, Sasaki T, Makimoto K, Komalamisra C, Maipanich W, Kusolsuk T, Sa-Nguankiat S, Pubampen S, Yamamoto Y
    • Journal Title

      J Med Microbiol

      Volume: 60(Pt 5) Pages: 619-24

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Extended-spectrumβ-lactamase-producing Escherichia coli strains in the feces of carriers contribute substantially to urinary tract infections in these patients2011

    • Author(s)
      Niki M, Hirai I, Yoshinaga A, Ulzii-Orshikh L, Nakata A, Yamamoto A, Yamamoto M, Yamamoto Y
    • Journal Title

      Infection

      Volume: 39(5) Pages: 467-71

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] 医療系学生における基質特異性拡張型βラクタマーゼ産生腸内細菌保持率2011

    • Author(s)
      仁木真理恵、平井到、山本容正
    • Journal Title

      環境感染誌

      Volume: 26 Pages: 154-156

    • NAID

      10030236799

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22659103
  • [Journal Article] Extended-spectrum beta-lactamase-producing Escherichia coli strains in the feces of carriers contribute substantially to urinary tract infections in these patients2011

    • Author(s)
      Niki, M., Hirai, I., Yoshinaga, A., Ulzii-Orshikh, L., Nakata, A., Yamamoto, A., Yamamoto, M., Yamamoto, Y.
    • Journal Title

      Infection

      Volume: 39 Pages: 467-471

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22659103
  • [Journal Article] Chlamydophila pneumoniae attachment and infection in low proteoglycan expressing human lymphoid Jurkat cells.2011

    • Author(s)
      Kobayashi M, Ishida K, Matsuo J, Nakamura S, Nagasawa A, Motohashi K, Yao T, Hirai I, Yamamoto Y, Suzuki H, Shimizu C, Matsuno K, Yamaguchi H.
    • Journal Title

      Microb Pathog.

      Volume: 51 Issue: 3 Pages: 209-216

    • DOI

      10.1016/j.micpath.2011.03.010

    • NAID

      120003295071

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Prevalence of fecal carriage of extended-spectrumβ-lactamase-producing Enterobacteriaceae among healthy adult people in Japan2011

    • Author(s)
      Luvsansharav UO, Hirai I, Niki M, Nakata A, Yoshinaga A, Moriyama T, Yamamoto Y
    • Journal Title

      J Infect Chemother

      Volume: 17(5) Pages: 722-5

    • NAID

      10030225576

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Journal Article] Prevalence of fecal carriage of extended-spectrum beta-lactamase-producing Enterobacteriaceae among healthy adult people in Japan2011

    • Author(s)
      Luvsansharav, U. O., Hirai, I., Niki, M., Nakata, A., Yoshinaga, A., Moriyama, T., Yamamoto, Y.
    • Journal Title

      J. Infect. Chemother

      Volume: 60 Pages: 619-624

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22659103
  • [Journal Article] A method for assessment of Helicobacter pylorigenotype using stool specimens2009

    • Author(s)
      Hirai I, Sasaki T, Fujimoto S, Moriyama T, Azuma T, Yamamoto Y
    • Journal Title

      FEMS Immunology & Medical Microbiology 56(1)

      Pages: 63-66

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Journal Article] 便中抗原検出及びPCR 法を用いたパナマ健常人におけるHelicobacter pylori感染の解析2009

    • Author(s)
      佐々木正大, 平井到, 山本容正
    • Journal Title

      感染症学雑誌 83(2)

      Pages: 127-132

    • NAID

      10024803517

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Journal Article] A method for assessment of Helicobacter pylori genotype using stool specimens2009

    • Author(s)
      Itaru Hirai
    • Journal Title

      FEMS Immunology and Medical Microbiology (印刷中)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Journal Article] Analysis ofHelicobacter pylori genotype in stoolspecimens of asymptomatic people.2009

    • Author(s)
      Sasaki T, Hirai I, Izurieta R, Kwa BH, Estevez E , Saldana A, Calzada JE, Fujimoto S, Yamamoto Y
    • Journal Title

      Labmedicine (accepted)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Journal Article] 食品由来ポリフェノールによるLegionella pneumophila 増殖抑制活性2009

    • Author(s)
      奥野真奈, 平井到, 佐々木正大, 山本容正
    • Journal Title

      医学と生物学 153(1)

      Pages: 1-6

    • NAID

      40016435971

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Journal Article] Immunosuppressive effect on T cell activation by interleukin-16- andinterleukin-10-cDNA-double-transfected human squamous cell line.2009

    • Author(s)
      Matsumoto Y, Fujita T, Hirai I, Sahara H, Torigoe T, Ezoe K, Saito T, Cruikshank WW, Yotsuyanagi T, Sato N
    • Journal Title

      Burns 35(3)

      Pages: 383-389

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Journal Article] 健常人保菌Helicobacter pylori の検出と病原因子遺伝子解析2008

    • Author(s)
      佐々木正大, 平井 到, Richard Izurieta, Boo Kwa, 山本容正
    • Journal Title

      臨床と微生物 35(5)

      Pages: 475-480

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Journal Article] Disruption ofthe association of 73 kDa heat shockcognate protein with transportersassociated with antigen processing (TAP)decreases TAP-dependent translocationof antigenic peptides into theendoplasmic reticulum2008

    • Author(s)
      Kamiguchi K, Torigoe T, Fujiwara O, Ohshima S, Hirohashi Y, Sahara H, Hirai I, Kohgo Y, Sato N
    • Journal Title

      Microbiol Immunol 52(2)

      Pages: 94-106

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Journal Article] Loss of RPA1 induces Chk2 phosphorylation through a caffeine-sensitive pathway2005

    • Author(s)
      Araya R, Hirai I, Meyerkord CL, Wang HG
    • Journal Title

      FEBS Lett 579・1

      Pages: 157-161

    • Data Source
      KAKENHI-PROJECT-15790204
  • [Journal Article] Human hRad1 but not hRad9 protects hHus1 from ubiquitin proteasomal degradation2004

    • Author(s)
      Hirai I, Sasaki T, Wang HG
    • Journal Title

      Oncogene 23・30

      Pages: 5124-5130

    • Data Source
      KAKENHI-PROJECT-15790204
  • [Journal Article] Caspase-3-mediated cleavage of Rad9 during apoptosis.2003

    • Author(s)
      Lee MW, Hirai I, Wang HG
    • Journal Title

      Oncogene 22・41

      Pages: 6340-6346

    • Data Source
      KAKENHI-PROJECT-15790204
  • [Presentation] ESBL 遺伝子の上流遺伝子構造(ESBL-UGS)の解析によるプラ スミドの遺伝学的背景の推定2021

    • Author(s)
      屋宜 宣慶,多和田 早紀,平井 到
    • Organizer
      第94回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Aeromonas 属菌のflaA 遺伝子の病原性に関する遺伝子学的解析2021

    • Author(s)
      宮城 和文,平井 到
    • Organizer
      第94回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Upstream Gene Sequences of ISEcp1 in ESBL-Producing E. coli collected from Indonesia and Vietnam2021

    • Author(s)
      Fikri Sasongko Widyatama, Rosantia Sarassari, Nobuyoshi Yagi, Kuntaman Kuntaman, Itaru Hirai
    • Organizer
      第94回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Characterization of CTX-M type ESBL-producing E. coli from ICU and non-ICU ward in Indonesia2020

    • Author(s)
      Rosantia Sarassari,比嘉 祐也,屋宜 宣慶,Kuntaman Kuntaman,平井 到
    • Organizer
      第93回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] 家族内および家族間におけるblaCTX-M の伝播2020

    • Author(s)
      屋宜 宣慶,平井 到
    • Organizer
      第93回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] ISEcp1 による多様な右側末端配列を用いた薬剤耐性遺伝子の転移2020

    • Author(s)
      浜元 宏太,徳永 敏郎,屋宜 宣慶,平井 到
    • Organizer
      第93回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Characterization of ESBL-producing Escherichia coli in Surabaya, Indonesia2020

    • Author(s)
      Fikri Widyatama,Rosantia Sarassari,比嘉 祐也,浜元 宏太,Kuntaman Kuntaman,平井 到
    • Organizer
      第93回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Characterization of ESBL-producing Escherichia coli in medical Students.2019

    • Author(s)
      Rosantia Sarassari,Takuya Higa,Kuntaman Kuntaman,Itaru Hirai
    • Organizer
      第92回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] インドネシアの総合病院に入院するICU 患者と病棟患者が保有するESBL 産生大腸菌の比較2019

    • Author(s)
      比嘉 祐也,Rosantia Sarassari,Kuntaman Kuntaman,平井 到
    • Organizer
      第92回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] 臨床と環境由来Aeromonas菌種の病原性とクローン識別2019

    • Author(s)
      宮城和文, 下地省吾, 田原里奈, 下地法明, 玉城格, 上地あゆみ, 大城春奈, 込山麻美, 平井到
    • Organizer
      第92回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Molecular Feature in ISEcp1 Transposase as Potential Contributing Factor for High Transfer Frequency of blaCTX-M-14 Transposition Unit from Plasmid to Chromosome2019

    • Author(s)
      Kouta Hamamoto, Toshiro Tokunaga, Nobuyoshi Yagi, Itaru Hirai
    • Organizer
      ASM Microbe 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Clonal Diversity of blaCTX-M-Positive Escherichia coli Isolates Carried in Healthy Vietnamese Individuals.2019

    • Author(s)
      Bui Thi Kim Ngan, Shuhei Ueda, Nobuyoshi Yagi, Kouta Hamamoto, Le Danh Tuyen, Bui Thi Mai Huong, Itaru Hirai
    • Organizer
      ASM Microbe 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Nanopore sequencing によるblaCTX-M 存在位置の解析法の確立2019

    • Author(s)
      屋宜 宣慶,浜元 宏太,平井 到
    • Organizer
      第92回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] 抗菌薬選択圧非存在下における染色体性blaCTX-M の安定性2019

    • Author(s)
      徳永 敏郎,Rosantia Sarassari,屋嘉比 泰亮,平井 到
    • Organizer
      第92回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Escherichia coli モデル株を用いたISEcp1-blaCTX-M-14 のプラスミドから染色体への転移頻度の解析2019

    • Author(s)
      浜元 宏太,徳永 敏郎,屋宜 宣慶,平井 到
    • Organizer
      第92回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] 沖縄県の健常人由来基質特異性拡張型βラクタマーゼ産生菌の性状解析2018

    • Author(s)
      比嘉聖菜、浜元宏太、屋嘉比泰亮、Rosantia Sarassari、古謝安子、平井到
    • Organizer
      第91回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] 大腸菌におけるblaCTX-Mのプラスミドから染色体への転移頻度とその意義2018

    • Author(s)
      浜元宏太、徳永敏郎、屋宜宣慶、平井 到
    • Organizer
      第91回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] The Pattern of ESBL producing gut flora among hospitalized patients and community in Surabaya2018

    • Author(s)
      Rosantia Sarassari、Usman Hadi、平井到、Kuntaman Kuntaman
    • Organizer
      第91回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Aeromonas の感染源の解明及び臨床と環境分離株の性状2018

    • Author(s)
      宮城和文、下地法明、玉城格、上地あゆみ、平井到
    • Organizer
      第91回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] The Role of Chromosomal blactx-m in Distribution of Escherichia coli Producing CTX-M Type Extended-Spectrum β-Lactamase Isolated from a Hospital of Okinawa, Japan2017

    • Author(s)
      K. Hamamoto, I. Hirai
    • Organizer
      ASM microbe 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04663
  • [Presentation] Dissemination of CTX-M type ESBL-producing bacteria in Southeast Asian countries2014

    • Author(s)
      Itaru Hirai
    • Organizer
      第87回日本細菌学会総会
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Presentation] 健常人由来CTX-M型ESBL産生菌株におけるESBL遺伝子の存在形態と地理的分布の関連性2013

    • Author(s)
      平井到,山内紘,山本容正
    • Organizer
      第86回日本西院学会総会
    • Place of Presentation
      千葉市
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Presentation] High Prevalence of Extended Spectrumβ-lactamase-producing Escherichia coli in Household Members of a Rural Area in Vietnam2013

    • Author(s)
      H. Bui, I. Hirai, T. Nguyen, V. Ha, N. Bui, H. Phan, T. Le, S. Ueda, H. Watabe, H. Le, Y. Yamamoto
    • Organizer
      53rd ICAAC
    • Place of Presentation
      Denver, CO
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Presentation] A sequencing analysis of genetic environment surrounding blaCTX-M-15 in Escherichia coli2012

    • Author(s)
      Naoki Fukui, Itaru Hirai, Arisa Nakata, Aya Yoshinaga, Ulzii-Orshikh Luvsansharav, Tatsuya Nakamura, Yoshimasa Yamamoto
    • Organizer
      第85回日本細菌学会総会
    • Place of Presentation
      長崎市
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Presentation] A 2-year trend of CTX-M beta-lactamase-producing Enterobacteriaceae in asymptomatic Thai people2012

    • Author(s)
      Ulzii-Orshikh Luvsansharav, Itaru Hirai, Arisa Nakata, Kaori Imura, Kou Yamauchi, Marie Niki, Chalit Komalamisra, Teera Kusolsuk, Yoshimasa Yamamoto
    • Organizer
      第85回日本細菌学会総会
    • Place of Presentation
      長崎市
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Presentation] CELL DIVISION OF INFECTED CELLS IS RETARDED BY SECRETION OF A NOVEL EFFECTER PROTEIN, CPB0850, OF CHLAMYDIA (CHLAMYDOPHILA) PNEUMONIAE2011

    • Author(s)
      Itaru Hirai, Masanori Matsuba, Yoshimasa Yamamoto
    • Organizer
      The IUMS 2011 Sapporo Congress
    • Place of Presentation
      札幌
    • Data Source
      KAKENHI-PROJECT-23590505
  • [Presentation] Genotyping of virulence gene cagA of Helicobacter pylori in stool specimens from asymptomatic volunteeres in Japan and Thailand.2008

    • Author(s)
      Itaru Hirai
    • Organizer
      48th Annual Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC) / the Infectious Diseases Society of America (IDSA) 46th Annual Meeting
    • Place of Presentation
      Washington DC, USA
    • Year and Date
      2008-10-26
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Presentation] Genotyping of virulencegene cagA of Helicobacter pylori in stool specimens from asymptomatic volunteeres in Japan and Thailand2008

    • Author(s)
      Itaru Hirai
    • Organizer
      48thAnnual Interscience Conference onAntimicrobial Agents and Chemotherapy(ICAAC)/ the Infectious DiseasesSociety of America (IDSA) 46th AnnualMeeting
    • Place of Presentation
      Washington DC, USA
    • Year and Date
      2008-10-26
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Presentation] Chlamydia pneumoniae感染による宿主細胞の変化の解析 アポトーシスとmiRNAの発現変化2007

    • Author(s)
      和田沙織、田中香苗、西村典孝、平井 到、山本容正
    • Organizer
      第50回 日本臨床検査医学会近畿支部総会
    • Place of Presentation
      大阪府大阪市大阪国際会議場
    • Year and Date
      2007-11-24
    • Data Source
      KAKENHI-PROJECT-19590447
  • [Presentation] Chlamydia pneumoniae感染による宿主細胞アポトーシスとmiRNA発現変化2007

    • Author(s)
      和田沙織、田中香苗、平井 到、山本容正
    • Organizer
      第60回日本細菌学会関西支部総会
    • Place of Presentation
      大阪府吹田市大阪大学銀杏会館
    • Year and Date
      2007-11-10
    • Data Source
      KAKENHI-PROJECT-19590447
  • []

  • 1.  YAMAMOTO Yoshimasa (20010100)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 37 results
  • 2.  YAMAMOTO Mayumi (40313879)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 3.  宮城 和文 (70372810)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 6 results
  • 4.  KAWAHARA Ryuji
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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