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논문 기본 정보

자료유형
학술저널
저자정보
Si-Qi Dong (Sun Yat-sen University Cancer Center Guangzhou China) Tong-Min Wang (Sun Yat-sen University Cancer Center Guangzhou China) Jiang-Bo Zhang (Sun Yat-sen University Cancer Center Guangzhou China) Yong-Qiao He (Sun Yat-sen University Cancer Center Guangzhou China) Wen-Qiong Xue (Sun Yat-sen University Cancer Center Guangzhou China) Zi-Yi Wu (Sun Yat-sen University Cancer Center Guangzhou China) Da-Wei Yang (Sun Yat-sen University Cancer Center Guangzhou China) Lian-Jing Cao (Sun Yat-sen University Cancer Center Guangzhou China) Jing-Wen Huang (Sun Yat?sen University Guangzhou China) Xi-Zhao Li (Sun Yat-sen University Cancer Center Guangzhou China) Pei-Fen Zhang (Sun Yat-sen University Cancer Center Guangzhou China) Xiao-Hui Zheng (Sun Yat-sen University Cancer Center Guangzhou China) Wei-Hua Jia (Sun Yat-sen University Cancer Center Guangzhou China)
저널정보
대한암학회 Cancer Research and Treatment Cancer Research and Treatment 제53권 제3호
발행연도
2021.1
수록면
724 - 732 (9page)

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Purpose Capecitabine is an extensively used oral prodrug of 5-fluorouracil in treatment of colon cancer and is known to cause hand-foot syndrome (HFS). As the target enzyme for capecitabine, thymidylate synthase (TYMS) plays a key role for 5-fluorouracil metabolism and has been associated with some side effects caused by capecitabine. The aim of our study is to identify the possible genetic predictors of capecitabine-induced HFS (CAP-HFS) in Chinese colorectal cancer patients.Materials and Methods Whole exons of TYMS were sequenced for 288 extreme phenotype HFS patients, including 144 severe or early-onset (first 2 cycles) moderate HFS extreme cases and 144 extreme controls with no reported HFS. The associations between polymorphisms and CAP-HFS were analyzed using logistic regression under an additive model.Results We identified a novel risk mutation (c.1A>G, chr18:657743), was associated with severe HFS in an extreme case who was affected during the first cycle of treatment. Moreover, we identified three new variants, rs3786362, rs699517, rs2790, and two previously reported variants, 5’VNTR 2R/3R and 3′-untranslated region 6-bp ins-del, which were significantly associated with CAP-HFS (p < 0.05). In silico analysis revealed that the effect of these polymorphisms in the TYMS region on the development of HFS might not be restricted solely to the regulation of TYMS expression, but also the TYMS catalytic activity through the indirect effect on ENOSF1 expression.Conclusion This study identified new polymorphisms in TYMS gene significantly associated with CAP-HFS, which may serve as useful genetic predictors for CAP-HFS and help to elucidate the underlying mechanism of HFS.

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