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Different histological types of non-small cell lung cancer have distinct folate and DNA methylation levels
http://hdl.handle.net/2297/20147
http://hdl.handle.net/2297/20147add47496-26d1-4dfb-82cb-7d2817383fd6
名前 / ファイル | ライセンス | アクション |
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CA-PR-KAWAKAMI-K-2325.pdf (275.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-05 | |||||
タイトル | ||||||
タイトル | Different histological types of non-small cell lung cancer have distinct folate and DNA methylation levels | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Jin, Ming Ji
× Jin, Ming Ji× Kawakami, Kazuyuki× Fukui, Yousuke× Tsukioka, Sayaka× Oda, Makoto× Watanabe, Go× Takechi, Teiji× Oka, Toshinori× Minamoto, Toshinari |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学がん研究所分子標的がん医療研究開発センター | |||||
書誌情報 |
Cancer Science 巻 100, 号 12, p. 2325-2330, 発行日 2009-12-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1347-9032 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11808050 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1111/j.1349-7006.2009.01321.x | |||||
出版者 | ||||||
出版者 | Japanese Cancer Association = 日本癌学会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Aberrant DNA methylation is a commonly observed epigenetic change in lung cancer. Folate has been suggested to play a role in the homeostasis of DNA methylation and has also been implicated in cancer chemotherapy. We investigated a possible role for folate in DNA methylation by measuring folate concentrations in tumors and adjacent normal tissues from 72 non-small cell lung cancer (NSCLC) patients. These were compared to DNA methylation levels and to clinicopathological features. Folate concentrations were determined as the sum of 5,10-methylenetetrahydrofolate and tetrahydrofolate. The MethyLight assay was used to quantitate methylation in promoter regions of P16(CDKN2A), APC, CDH13, RARB, RASSF1, RUNX3, and MYOD1. Methylation of LINE-1 repeats was used as a surrogate for global methylation. Folate levels in tumors correlated positively with LINE-1, CDH13, and RUNX3 methylation. Folate concentrations and methylation of LINE-1, RASSF1, and RUNX3 were significantly higher in adenocarcinoma compared to squamous cell carcinoma (SCC). Two sets of array-based data retrieved from the Gene Expression Omnibus consistently showed that expression of FOLR1, a folate transport enzyme, and GGH, an enzyme that prevents folate retention, were higher and lower, respectively, in adenocarcinomas compared to SCC. This was independently validated by quantitative RT-PCR in 26 adenocarcinomas and 13 SCC. Our results suggest that folate metabolism plays a role in aberrant DNA methylation in NSCLC. The histological subtype differences in folate concentration and DNA methylation observed here were associated with distinct expression patterns for folate metabolizing enzymes. These findings may have clinical applications for histology-directed chemotherapy with fluoropyrimidine and anti-folates in NSCLC. © 2009 Japanese Cancer Association. | |||||
権利 | ||||||
権利情報 | The definitive version is available at www.blackwell-synergy.com | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www3.interscience.wiley.com/journal/122577084/abstract |