K
Koichi Hirata
Researcher at Sapporo Medical University
Publications - 735
Citations - 21379
Koichi Hirata is an academic researcher from Sapporo Medical University. The author has contributed to research in topics: Cancer & Breast cancer. The author has an hindex of 68, co-authored 717 publications receiving 18834 citations. Previous affiliations of Koichi Hirata include Showa University.
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Health insurance and payment systems for severe acute pancreatitis.
Masahiro Yoshida,Tadahiro Takada,Koichi Hirata,Toshihiko Mayumi,Satoru Shikata,Kunihiro Shirai,Yasutoshi Kimura,Keita Wada,Hodaka Amano,Shinju Arata,Masahiko Hirota,Kazunori Takeda,Toshifumi Gabata,Morihisa Hirota,Masamichi Yokoe,Seiki Kiriyama,Miho Sekimoto +16 more
TL;DR: The medical insurance system of Japan is based on the Universal Medical Care System guaranteed by the provision of the Article 25 of the Constitution of Japan, which states that “All the people shall have the right to live a healthy, cultural and minimum standard of life.”
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A case of intraductal papillary mucinous tumor associated with pancreas divisum.
Emi Akizuki,Yasutoshi Kimura,Mitsuhiro Mukaiya,Toshio Honnma,Kazumitsu Koito,Tadashi Katsuramaki,Koichi Hirata +6 more
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Correlation between nm23 Protein and Several Cell Adhesion Molecules in Human Gastric Carcinoma
TL;DR: Results suggest that reduced nm23 expression may promote the metastatic properties of cancer cells in concert with increased sLex expression, which was observed in the metastasized secondary tumors.
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Frequent epigenetic inactivation of Wnt antagonist genes in breast cancer (British Journal of Cancer (2008) 98, (1147-1156) DOI: 10.1038/sj.bjc.6604259)
Hiromu Suzuki,M Toyota,H. Carraway,E. Gabrielson,Tousei Ohmura,Tomoko Fujikane,Noriko Nishikawa,Yohei Sogabe,Masanori Nojima,Tomoko Sonoda,Masaki Mori,Koichi Hirata,Kohzoh Imai,Yasuhisa Shinomura,Stephen B. Baylin,Takashi Tokino +15 more
TL;DR: The results confirm the frequent methylation and silencing of Wnt antagonist genes in breast cancer, and suggest that their loss of function contributes to activation of WNT signalling in breast carcinogenesis.
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New technique of extracorporeal hepatic inflow control for pure laparoscopic liver resection.
TL;DR: The new Pringle maneuver by clamping outside the abdominal wall for pure laparoscopic liver resection (pure Lap) successfully controls bleeding and enables pure Lap to be completed without any events, even for a large tumor.