A urease-negative mutant of Helicobacter pylori constructed by allelic exchange mutagenesis lacks the ability to colonize the nude mouse stomach

Masataka Tsuda, Mikio Karita, Muhammad Morshed, +2

Infection and Immunity

GeneticsPathogenesisBacteriologyGastroenterologyMolecular Biology +9

Morphologic studies of the liver cell dysplasia

Seishiro Watanabe, K Okita, Toshinori Harada, +4

Cancer

PathologyCirrhosisHepatobiliary TumorLiver Cell DysplasiaMicroscopic Changes +16

Report of the 16th follow-up survey of primary liver cancer

Iwao Ikai, Shigeki Arii, Takafumi Ichida, +7

Hepatology Research

A blind comparison of the effectiveness of endoscopic ultrasonography and endoscopy in staging early gastric cancer

Hideo Yanai, Takayoshi Noguchi, S Mizumachi, +4

Gut

A Fundamental Study of Normal Layer Structure of the Gastrointestinal Wall Visualized by Endoscopic Ultrasonography

T. Aibe, Takeshi Fuji, K Okita, +1

Scandinavian Journal of Gastroenterology

Medical UltrasoundGastroenterologyPathologySurgeryAnatomy +19

New small animal model for human gastric Helicobacter pylori infection: success in both nude and euthymic mice.

Mikio Karita, Takashi Kouchiyama, K Okita, +1

PubMed

DysbiosisAllergyPathogenesisGastric MucusGastroenterology +12

Association between severity of type A hepatitis and nucleotide variations in the 5` non-translated region of hepatitis A virus RNA: strains from fulminant hepatitis have fewer nucleotide substitutions

Keiichi Fujiwara, Osamu Yokosuka, Toshiki Ehata, +6

Gut

Matrix metalloproteinase-7 and matrix metalloproteinase-9 are associated with unfavourable prognosis in superficial oesophageal cancer

Y Tanioka, Tomoharu Yoshida, Tomohito Yagawa, +6

British Journal of Cancer

Establishment of a small animal model for human Helicobacter pylori infection using germ-free mouse.

Mikio Karita, Qian Li, Domingo Cantero, +1

PubMed

Interferon treatment improves survival in chronic hepatitis C patients showing biochemical as well as virological responses by preventing liver‐related death

Akinori Kasahara, Hideo Tanaka, Takeshi Okanoue, +13

Journal of Viral Hepatitis