Tetsuya Okayama

Phase I clinical trial of autologous NK cell therapy using novel expansion method in patients with advanced digestive cancer

Naoyuki Sakamoto, Takeshi Ishikawa, Satoshi Kokura et al. · Journal of Translational Medicine · 2015 · 266 citations · Full text

Pharmacy, Immunology, Oncology +17

The JAK/STAT pathway is involved in the upregulation of PD-L1 expression in pancreatic cancer cell lines

Toshifumi Doi, Takeshi Ishikawa, Tetsuya Okayama et al. · Oncology Reports · 2017 · 147 citations · Full text

Medicine, Molecular Biology, Oncology +12

Linked color imaging improves endoscopic diagnosis of active Helicobacter pylori infection

Osamu Dohi, Nobuaki Yagi, Yuriko Onozawa et al. · Endoscopy International Open · 2016 · 130 citations · Full text

Medicine, Infectious Diseases, Diagnostic Imaging +14

The influence of long-term use of proton pump inhibitors on the gut microbiota: an age-sex-matched case-control study

Tomohisa Takagi, Yuji Naito, Ryo Inoüe et al. · Journal of Clinical Biochemistry and Nutrition · 2017 · 121 citations · Full text

Life Sciences, Microbiology, Gastroenterology +15

Ability of a novel blue laser imaging system for the diagnosis of colorectal polyps

Naohisa Yoshida, Nobuaki Yagi, Yutaka Inada et al. · Digestive Endoscopy · 2013 · 115 citations · Full text

Medicine, Oncology, Pathology +17