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Dive into the research topics where Hisaichi Bannai is active.

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Featured researches published by Hisaichi Bannai.


Respirology | 2008

Comparison of serological tests for detection of immunoglobulin M antibodies to Chlamydophila pneumoniae

Naoyuki Miyashita; Kazunobu Ouchi; Kozo Kawasaki; Hayashi Komura; Yasuhiro Kawai; Naoki Tsumura; Hisaichi Bannai; Satoshi Iwata; Mikio Oka

Background and objective:  To evaluate an enzyme immunoassay (EIA) (AniLab C. pneumoniae) for detecting anti‐Chlamydophila pneumoniae‐specific IgM antibody, by comparing it with an ELISA, Hitazyme C. pneumoniae, and a micro‐immunofluorescence (MIF) test.


Clinical and Vaccine Immunology | 2008

Rapid and Simple Diagnosis of Chlamydophila pneumoniae Pneumonia by an Immunochromatographic Test for Detection of Immunoglobulin M Antibodies

Naoyuki Miyashita; Kazunobu Ouchi; Fumio Kishi; Mitsuaki Tabuchi; Naoki Tsumura; Hisaichi Bannai; Satoshi Iwata; Toshihiro Tanaka; Mikio Oka

ABSTRACT To evaluate a newly developed immunochromatographic test (the MySet test) for the detection of Chlamydophila pneumoniae-specific immunoglobulin M antibodies, the results obtained by the MySet test were compared with those obtained by two serological tests. The sensitivity and specificity of the MySet test were 100% and 92.9%, respectively. The MySet test is rapid and simple to use and is thought to be a useful tool for the selection of appropriate antibiotic therapy.


The Journal of the Japanese Society of Clinical Cytology | 1997

Morphological study of inclusion in Chlamydia pneumoniae infected cells.

Midori Ono; Yoshio Shiina; Jun Kanemoto; Teruko Komoda; Hisaichi Bannai; Fumiaki Nisiyama

Human line (HL) 細胞を用いChlamydia pneumoniae (C. pneumoniae) 感染細胞に出現する封入体の形態学的観察を行った.その結果, 封入体の染色性はPapanicolaou染色ではヘマトキシリン好性, Giemsa染色では好塩基性を示した.封入体は感染初期で核に隣接した一側に局在し, 感染力価の高い菌液を使用した場合は同部位に複数個観察された. さらに複数個の封入体は直径約6μmまでは融合することなしに増大し, その後融合して1つの大型封入体になった. しかし, それら封入体は部分的に核を圧排するものの, 核を完全に圧排して印環型を呈するものはなかった. 封入体周囲に膜様構造はみられず, 細胞質と封入体の間に不染間隙を認めた. 封入体の形は円形が主体であったが, 崩壊過程の所見として中心部に空洞化を示すものも観察された.以上の所見より, Papanicolaou染色およびGiemsa染色において, C. pneumoniae感染による封入体の検出は可能であるが, 宿主細胞によってはその形態が異なる可能性がある点と封入体を形成する感染細胞の出現率が低い点を考慮する必要があるように思われた.


The Journal of the Japanese Association for Infectious Diseases | 1991

Isolation and identification of Chlamydia spp. from effusion of otitis media

Hisaichi Bannai; Teruko Komoda; Hiroshi Miyazawa; Yoshimori Ashihara; Toshikatsu Hagiwara; Sadashi Shiga


The Journal of the Japanese Association for Infectious Diseases | 2007

Detection of Antibodies by Immunoblotting Using Chlamydia trachomatis Serovars

Teruko Komoda; Toshifumi Ohshima; Ai Ashida; Hisaichi Bannai; Ryutaro Motomura; Hironobu Akita; Satoshi Iwata; Yoshitake Sato; Keisuke Sunakawa


The Journal of the Japanese Association for Infectious Diseases | 2000

Comparison of the morphology and the reactivity of Chlamydia pneumoniae isolated in north-Kanto Area, Ibaraki Prefecture, Japan

Teruko Komoda; Hisaichi Bannai; Hironobu Akita; Satoshi Iwata; Yoshitake Sato; Keisuke Sunakawa; Toshikatsu Hagiwara


The Journal of the Japanese Association for Infectious Diseases | 1989

[Immune response against Chlamydia trachomatis inoculation in mice--changes in interferon activity, antibody titers and weight of the spleen as parameters of infection].

Hitoshi Kikuchi; Hisaichi Bannai; Hiroshi Miyazawa; Yoshimori Ashihara


The Journal of the Japanese Association for Infectious Diseases | 2003

[Analysis of an antigen in Chlamydia trachomatis infected-cell extract which reacts with sera of patients with C. trachomatis infection].

Kozue Sato; Teruko Komoda; Hisaichi Bannai; Hironobu Akita; Satoshi Iwata; Yoshitake Sato; Keisuke Sunakawa


The Journal of the Japanese Association for Infectious Diseases | 1999

Detection of anti-Chlamydia trachomatis antibody by means of enzyme immunoassay using synthetic peptide antigen

Hisaichi Bannai; Teruko Komoda; Hironobu Akita; Satoshi Iwata; Yoshitake Sato; Keisuke Sunakawa


Japanese Journal of Chemotherapy | 1998

Antimicrobial susceptibility of Chlamydia pneumoniae isolates from children and their families

Teruko Komoda; Hisaichi Bannai; Toshikatsu Hagiwara; Satoshi Iwata; H. Akita; Yoshitake Satou; T. Yokota; Keisuke Sunakawa

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Toshikatsu Hagiwara

National Institutes of Health

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Mikio Oka

Kawasaki Medical School

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