作者
Yuki Ozato,Yasuhiro Kojima,Yuta Kobayashi,Yuuichi Hisamatsu,Takeo Toshima,Yutaka Yonemura,Takaaki Masuda,Kouichi Kagawa,Yasuhiro Gotô,Mitsuaki Utou,Mituko Fukunaga,Ayako Gamachi,Kiyomi Imamura,Yuta Kuze,Junko Zenkoh,Ayako Suzuki,Atsushi Niida,Haruka Hirose,Shuto Hayashi,Junichi Koseki,Eiji Oki,Satoshi Fukuchi,Kazunari Murakami,Taro Tobo,Satoshi Nagayama,Mamoru Uemura,Takeharu Sakamoto,Masanobu Oshima,Yuichiro Doki,Hidetoshi Eguchi,Masaki Mori,Takeshi Iwasaki,Yoshinao Oda,Tatsuhiro Shibata,Yutaka Suzuki,Teppei Shimamura,Koshi Mimori
摘要
The cellular interactions in the tumor microenvironment of colorectal cancer (CRC) are poorly understood, hindering patient treatment. In the current study, we investigate whether events occurring at the invasion front are of particular importance for CRC treatment strategies. To this end, we analyze CRC tissues by combining spatial transcriptomics from patients with a public single-cell transcriptomic atlas to determine cell-cell interactions at the invasion front. We show that CRC cells are localized specifically at the invasion front. These cells induce human leukocyte antigen G (HLA-G) to produce secreted phosphoprotein 1 (SPP1)+ macrophages while conferring CRC cells with anti-tumor immunity, as well as proliferative and invasive properties. Taken together, these findings highlight the signaling between CRC cell populations and stromal cell populations at the cellular level.