Koji Okabayashi
Keio University
148 Papers
212 Citations
Koji Okabayashi is an academic researcher from Keio University. The author has contributed to research in topics: Medicine & Colorectal cancer. The author has an hindex of 23, co-authored 103 publications.
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Papers
The Worse Prognosis of Right-Sided Compared with Left-Sided Colon Cancers: a Systematic Review and Meta-analysis
TL;DR: It is demonstrated that tumor location is associated with prognosis in colorectal cancer patients, and those with RCC have a significantly worse prognosis than those with LCC in terms of OS.
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The liver-brain-gut neural arc maintains the Treg cell niche in the gut.
Toshiaki Teratani,Yohei Mikami,Nobuhiro Nakamoto,Takahiro Suzuki,Yosuke Harada,Koji Okabayashi,Yuya Hagihara,Nobuhito Taniki,Keita Kohno,Shinsuke Shibata,Kentaro Miyamoto,Harumichi Ishigame,Po Sung Chu,Tomohisa Sujino,Wataru Suda,Masahira Hattori,Minoru Matsui,Takaharu Okada,Hideyuki Okano,Masayuki Inoue,Toshihiko Yada,Yuko Kitagawa,Akihiko Yoshimura,Mamoru Tanida,Makoto Tsuda,Yusaku Iwasaki,Takanori Kanai,Takanori Kanai +27 more
TL;DR: It is demonstrated that the novel vago-vagal liver-brain-gut reflex arc tunes the number of pTreg cells and maintains the gut homeostasis, which could help develop new therapeutic strategies to treat or prevent immunological disorders of the gut.
177
Characteristics of Early-Onset vs Late-Onset Colorectal Cancer A Review
Reacct Collaborative,Alexandra M Zaborowski,Ahmed Abdile,Michel Adamina,Felix Aigner,Laura D’Allens,Caterina Allmer,Andrea Álvarez,Rocio Anula,Mihailo Andric,Sam Atallah,Simon P. Bach,Miklosh Bala,Marie Barussaud,Augustinas Bausys,Brendan Bebington,Andrew D Beggs,Felipe Bellolio,Melissa-Rose Bennett,Anton Berdinskikh,Vicki Bevan,Sebastiano Biondo,G Bislenghi,Marc Bludau,Adam Boutall,Nelleke P.M. Brouwer,Carl J. Brown,Christiane Bruns,Daniel D. Buchanan,Pamela Buchwald,Jacobus W A Burger,Nikita Burlov,Michela Campanelli,Maylis Capdepont,Michele Carvello,Hwee-Hoon Chew,Dimitri Christoforidis,David A. Clark,Marta Climent,Kyle G. Cologne,Tomas Contreras,Roland Croner,Ian R. Daniels,Giovanni Dapri,Justin Davies,Paolo Delrio,Quentin Denost,Michael Deutsch,Andre Dias,André D'Hoore,Evgeniy Drozdov,Daniel Duek,Malcolm G. Dunlop,Adam Dziki,Aleksandra Edmundson,S. K. Efetov,Alaa El-Hussuna,Brodie Elliot,Sameh Hany Emile,Eloy Espin,M. Evans,Seraina Faes,Omar Faiz,Fergal J. Fleming,Caterina Foppa,George E Fowler,Matteo Frasson,Nuno Figueiredo,Tim Forgan,Frank A. Frizelle,Shamil Gadaev,Jose Gellona,Tamara Glyn,Jianping Gong,Barisic Goran,Emma Greenwood,Marianne Grønlie Guren,Stephanie Guillon,Ida Gutlic,Dieter Hahnloser,Heather Hampel,Ann Hanly,Hirotoshi Hasegawa,Lene Hjerrild Iversen,Andrew G. Hill,James Hill,Jiri Hoch,Michael Hoffmeister,Roel Hompes,Luis Hurtado,Fabiano Iaquinandi,Ugne Imbrasaite,Rumana Islam,Mehrenah Dorna Jafari,Yukihide Kanemitsu,Aleksei Karachun,Ahmer A. Karimuddin,Deborah S. Keller,Justin Kelly,Rory Kennelly,Gleb Khrykov,Peter Kocian,Cherry Koh,Neils Kok,Katrina Knight,Joep Knol,Christos Kontovounisios,Hartwig Kørner,Zoran Krivokapic,Irmgard Kronberger,Hidde M. Kroon,Marius Kryzauskas,Said Kural,Miranda Kusters,Zaher Lakkis,Timur Lankov,Dave Larson,György Lázár,Kai-Yin Lee,Suk Hwan Lee,Jérémie H. Lefevre,Anna Lepistö,Christopher H. Lieu,Lynette Loi,Craig Lynch,Helene Maillou-Martinaud,Annalisa Maroli,Sean T. Martin,Anna Martling,Klaus E. Matzel,Julio Mayol,F. McDermott,Guillaume Meurette,Monica Millan,Martin Mitteregger,Andrei Moiseenko,John R. T. Monson,Stefan Morarasu,Konosuke Moritani,Gabriela Möslein,Martino Munini,Caio Nahas,Sergio Nahas,Ionut Negoi,Anastasia Novikova,Misael Ocares,Koji Okabayashi,Alexandra Olkina,Luis Oñate-Ocaña,Jaime Otero,Cihan Ozen,Ugo Pace,Guilherme Pagin São Julião,Lidiia Panaiotti,Yves Panis,Demetris Papamichael,Jason Park,Swati G. Patel,Juan Carlos Patrón Uriburu,Miguel Pera,Rodrigo O Perez,Alexei Petrov,Frank Pfeffer,P Terry Phang,Tomas Poskus,Heather Pringle,David Proud,Ivana Raguz,Nuno Rama,Shahnawaz Rasheed,Manoj J. Raval,Daniela Rega,Christoph Reissfelder,Juan Carlos Reyes Meneses,Frederic Ris,Stefan Riss,Homero Rodriguez-Zentner,Campbell S.D. Roxburgh,Avanish Saklani,Andrea Jiménez Salido,Tarik Sammour,Deborah Saraste,Martin Schneider,Ryo Seishima,Aleksandar Sekulic,Toni T. Seppälä,Kieran Sheahan,Rebecca Shine,Alexandra Shlomina,Guiseppe S Sica,Tongplaew Singnomklao,Leandro Siragusa,Neil J. Smart,Alejandro Solis,Antonino Spinelli,Roxane D Staiger,Michael J. Stamos,Scott R. Steele,Michael Sunderland,Ker-Kan Tan,Pieter J. Tanis,Paris Tekkis,Biniam Teklay,Sabrina Tengku,Marta Jiménez-Toscano,Petr Tsarkov,Matthias Turina,Alexis Ulrich,Bruna B Vailati,Meike Van Harten,Cornelis Verhoef,Satish K Warrier,S. D. Wexner,Hans de Wilt,Benjamin A. Weinberg,Cameron Wells,Albert Wolthuis,Evangelos Xynos,Nancy You,Alexander Zakharenko,Justino Zeballos,Des Winter +221 more
TL;DR: Early-onset colorectal cancer (younger than 50 years) appears to represent a unique disease process with different clinical, pathological, and molecular characteristics compared with late-onset colon cancer, and sensitivity to conventional neoadjuvant and adjuvant therapy regimens appear to be unknown as mentioned in this paper.
172
Comparison of Preoperative Inflammation-based Prognostic Scores in Patients With Colorectal Cancer.
Yoshiyuki Suzuki,Koji Okabayashi,Hirotoshi Hasegawa,Masashi Tsuruta,Kohei Shigeta,Takayuki Kondo,Yuko Kitagawa +6 more
TL;DR: The systemic inflammation score (SIS) in colorectal cancer patients is an alternative inflammation-based biomarker, which may improve the prediction of clinical outcomes and is a novel prognostic factor in CRC patients.
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Laparoscopic surgery for recurrent Crohn's disease.
Hirotoshi Hasegawa,Masahiko Watanabe,Hideki Nishibori,Koji Okabayashi,Taizo Hibi,Masaki Kitajima +5 more
TL;DR: The aim of this study was to assess the feasibility of laparoscopic surgery for recurrent Crohn's disease, and the role of repeated laparoscopy in reoperation.
89