Drug Discoveries & Therapeutics
Online ISSN : 1881-784X
Print ISSN : 1881-7831
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Intratumor dihydropyrimidine dehydrogenase mRNA expression levels are decreased in extramammary Paget's disease
Yuki NakamuraIkko KajiharaSaori Yamada-KanazawaSaki Maeda-OtsukaTakamitsu JohnoJun AoiToshikatsu IgataShinichi MasuguchiSatoshi FukushimaMasatoshi JinninHironobu Ihn
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Volume 11 (2017) Issue 3 Pages 152-155

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Abstract

S-1, a 5-fluorouracil (5-FU)-based anti-cancer agent, is an important drug for treating metastatic extramammary Paget's disease (EMPD). Although intratumor expression levels of 5-FU metabolism enzymes have been studied widely in many solid tumors, no studies have examined on the expression levels of thymidylate synthase (TS), orotate phosphoribosyl-transferase (OPRT) or dihydropyrimidine dehydrogenase (DPD) in skin cancers. The aim of this study was to estimate the intratumoral mRNA expression levels of these genes in EMPD by real time PCR. Intratumoral DPD mRNA levels were decreased in EMPD compared to those in normal skin, but its intratumoral DPD mRNA expression levels were not correlated with clinical manifestations. Intratumoral DPD mRNA levels were positively correlated with OPRT mRNA levels in EMPD. Based on these results, low expression of intratumoral DPD mRNA in EMPD may contribute to the pathogenesis of this disease.

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© 2017 International Research and Cooperation Association for Bio & Socio-Sciences Advancement
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