Germline Mutation of Dihydropyrimidine Dehydrogenese Gene among a Japanese Population in Relation to Toxicity to 5‐Fluorouracil

Abstract excerpt

5-Fluorouracil (5FU) is most commonly used in chemotherapy for human malignancy. Over 80% of administered 5FU is metabolically degraded by dihydropyrimidine dehydrogenase (DPD), a primary and rate-limiting enzyme in the 5FU metabolic pathway. A DPD-deficient phenotype among cancer patients, which has posed a serious problem in 5FU-based chemotherapy, was reported to be in part ascribed to germline mutations in...

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