Kumiko Kurabayashi
Keio University
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Publication
Featured researches published by Kumiko Kurabayashi.
Antimicrobial Agents and Chemotherapy | 2006
Toshihiro Nishizawa; Hidekazu Suzuki; Kumiko Kurabayashi; Tatsuhiro Masaoka; Hiroe Muraoka; Mikiji Mori; Eisuke Iwasaki; Intetsu Kobayashi; Toshifumi Hibi
ABSTRACT A high resistance rate (47.9%) to gatifloxacin (GAT; 8-methoxy fluoroquinolone) in Helicobacter pylori (H. pylori) strains from 48 Japanese patients is observed after unsuccessful H. pylori eradication. A significant association between MICs for GAT equal to or above 1 μg/ml and mutations of the gyrA gene of H. pylori was demonstrated.
Helicobacter | 2005
Sachiko Nomura; Hidekazu Suzuki; Tatsuhiro Masaoka; Kumiko Kurabayashi; Hiromasa Ishii; Masaki Kitajima; Kikuo Nomoto; Toshifumi Hibi
Background and aim. Helicobacter pylori is known to be a major pathogenic factor in the development of gastritis, peptic ulcer disease and gastric cancer. Recently, chicken egg yolk immunoglobulin Y (IgY) has been recognized as an inexpensive antibody source for passive immunization against gastrointestinal infections. The present study was designed to investigate the effect of anti‐urease IgY on H. pylori infection in Mongolian gerbils.
Alimentary Pharmacology & Therapeutics | 2004
T. Masaoka; Hidekazu Suzuki; Kumiko Kurabayashi; A. G. Kamiya; Hiromasa Ishii
Background : After unsuccessful first‐line treatment of Helicobacter pylori infection, the percentage of clarithromycin‐resistant strains has been reported as between 30% and 70% in Japan and other countries. A high prevalence of clarithromycin‐resistant strains is reported to be associated with eradication failure.
Alimentary Pharmacology & Therapeutics | 2007
T. Masaoka; Hidekazu Suzuki; Kumiko Kurabayashi; Y. Nomoto; Toshihiro Nishizawa; Mikiji Mori; Taizo Hibi
Although resistance of Helicobacter pylori to metronidazole had been reported to be associated with mutations in the rdxA or the frxA gene, recent studies have indicated that they may contribute little to metronidazole resistance.
World Journal of Gastroenterology | 2005
Yuka Abiko; Hidekazu Suzuki; Tatsuhiro Masaoka; Sachiko Nomura; Kumiko Kurabayashi; Hiroshi Hosoda; Kenji Kangawa; Toshifumi Hibi
The Keio Journal of Medicine | 2003
Hidekazu Suzuki; Tatsuhiro Masaoka; Sachiko Nomura; Yoshinori Hoshino; Kumiko Kurabayashi; Yuriko Minegishi; Masayuki Suzuki; Hiromasa Ishii
Alimentary Pharmacology & Therapeutics | 2006
Tatsuhiro Masaoka; Hidekazu Suzuki; Kumiko Kurabayashi; Y. Nomoto; Toshihiro Nishizawa; Mikiji Mori; Toshifumi Hibi
Nihon rinsho. Japanese journal of clinical medicine | 2005
Hidekazu Suzuki; Kumiko Kurabayashi; Toshifumi Hibi
Gastroenterology | 2003
Tatsuhiro Masaoka; Hidekazu Suzuki; Kumiko Kurabayashi; Akitoshi Kamiya; Hiromasa Ishii
Gastroenterology | 2003
Hidekazu Suzuki; Masaharu Miyazawa; Tatsuhiro Masaoka; Sachiko Nomura; Kumiko Kurabayashi; Hiroshi Nagata; Soichiro Miura; Hiromasa Ishii