ABO blood group and risk of pancreatic carcinogenesis in intraductal papillary mucinous Neoplasms

Tsuyoshi Hamada, Hiroki Oyama, Yousuke Nakai, Minoru Tada, Hideo Koh, Keisuke Tateishi, Junichi Arita, Ryunosuke Hakuta, Hideaki Ijichi, Kazunaga Ishigaki, Yoshikuni Kawaguchi, Hirofumi Kogure, Suguru Mizuno, Teppei Morikawa, Kei Saito, Tomotaka Saito, Tatsuya Sato, Kaoru Takagi, Naminatsu Takahara, Ryota TakahashiAtsushi Tanaka, Mariko Tanaka, Tetsuo Ushiku, Kiyoshi Hasegawa, Kazuhiko Koike

研究成果: ジャーナルへの寄稿記事査読

5 被引用数 (Scopus)

抄録

Background: ABO blood group has been associated with risks of various malignancies, including pancreatic cancer. No study has evaluated the association of ABO blood group with incidence of pancreatic carcinogenesis during follow-up of patients with intraductal papillary mucinous neoplasms (IPMN). Methods: Among 3,164 patients diagnosed with pancreatic cysts at the University of Tokyo (Tokyo, Japan) from 1994 through 2019, we identified 1,815 patients with IPMN with available data on ABO blood group. We studied the association of ABO blood group with incidence of pancreatic carcinoma, overall and by carcinoma types [IPMN-derived carcinoma or concomitant pancreatic ductal adenocarcinoma (PDAC)]. Utilizing competing-risks proportional hazards models, we estimated subdistribution hazard ratios (SHR) for incidence of pancreatic carcinoma with adjustment for potential confounders, including cyst characteristics. Results: During 11,518 person-years of follow-up, we identified 97 patients diagnosed with pancreatic carcinoma (53 with IPMN-derived carcinoma and 44 with concomitant PDAC). Compared with patients with blood group O, patients with blood groups A, B, and AB had multivariable SHRs (95% confidence intervals) for pancreatic carcinoma of 2.25 (1.25–4.07; P ¼ 0.007), 2.09 (1.08–4.05; P ¼ 0.028), and 1.17 (0.43–3.19; P ¼ 0.76), respectively. We observed no differential association of ABO blood group with pancreatic carcinoma incidence by carcinoma types. Conclusions: In this large long-term study, patients with IPMN with blood group A or B appeared to be at higher risk of pancreatic carcinoma compared with those with blood group O. Impact: ABO blood group can be a biomarker for pancreatic cancer risk among patients with IPMNs.

本文言語英語
ページ(範囲)102-1028
ページ数927
ジャーナルCancer Epidemiology Biomarkers and Prevention
30
5
DOI
出版ステータス出版済み - 1 5月 2021
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