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Japanese

Investigation of the Inhibitory Effect of Lansoprazole on Sessile Serrated Lesion Using Organoid Culturing Technology Koichi Okamoto 1 , Tomoyuki Kawaguchi 1 , Shota Fujimoto 1 , Sayaka Ohgimoto 1 , Takanori Yoshimoto 1 , Takeshi Mitsuhashi 1 , Hiroyuki Ueda 1 , Reiko Yokoyama 1 , Kaizo Kagemoto 1 , Yoshifumi Kida 1 , Yasuhiro Mitsui 1 , Masahiro Sogabe 1 , Hiroshi Miyamoto 1 , Yasushi Sato 1 , Katsuhisa Horimoto 2 , Tetsuji Takayama 1 1Department of Gastroenterology and Oncology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan 2SOCIUM Inc., Tokyo Keyword: SSL , serrated pathway , CMAP , オルガノイド , ランソプラゾール pp.201-209
Published Date 2025/2/25
DOI https://doi.org/10.11477/mf.053621800600020201
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 Although the serrated-neoplasia pathway reportedly accounts for 15-30% of colorectal cancers, no study has reported on the chemoprevention of sessile serrated lesions(SSLs). In the present study, among the 1,309 Food and Drug Administration-approved compounds, 17 candidate chemopreventive compounds against SSL were examined via a CMAP analysis. We ultimately identified lansoprazole as the most effective compound based on an in vitro evaluation using SSL-patient-derived organoids(PDOs). Furthermore, we also demonstrated the inhibitory effect of lansoprazole on SSL in vivo using a mouse model involving the orthotopic xenotransplantation of SSL-PDOs. We are now considering clinical trials to investigate LPZ's inhibitory effect on SSL.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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