Masataka Yokode, Masahiro Shiokawa, Hisato Kawakami, Takeshi Kuwada, Yoshihiro Nishikawa, Yuya Muramoto, Hiroki Kitamoto, Makoto Okabe, Hajime Yamazaki, Norihiro Okamoto, Toshihiro Morita, Kazuya Ohno, Risa Nakanishi, Ikuhisa Takimoto, Muneji Yasuda, Koki Chikugo, Shimpei Matsumoto, Hiroyuki Yoshida, Sakiko Ota, Takeharu Nakamura, Hirokazu Okada, Tomonori Hirano, Nobuyuki Kakiuchi, Tomoaki Matsumori, Shuji Yamamoto, Norimitsu Uza, Makoto Ooi, Yuzo Kodama, Tsutomu Chiba, Hidetoshi Hayashi, Hiroshi Seno
BACKGROUND: No specific biomarker for immune checkpoint inhibitor (ICI)-induced colitis has been established. Previously, we identified anti-integrin αvβ6 autoantibodies in >90% of patients with ulcerative colitis (UC). Given that a subset of ICI-induced colitis is similar to UC, we aimed to clarify the relationship between such autoantibodies and ICI-induced colitis. METHODS: Serum anti-integrin αvβ6 autoantibody levels were compared between 26 patients with ICI-induced colitis and 157 controls...
March 9, 2024: British Journal of Cancer