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  1. 紀要
  2. Tumor Research
  3. Vol.36

Dried Feces Spots as an Alternative DNA Source : Detection of K-ras Mutations in Colorectal Cancer Screening

https://doi.org/10.15114/tr.36.7
https://doi.org/10.15114/tr.36.7
ee943ab3-35b8-4353-8603-81571ee70949
名前 / ファイル ライセンス アクション
n004140933617.pdf n004140933617.pdf (93.1 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2019-07-31
タイトル
タイトル Dried Feces Spots as an Alternative DNA Source : Detection of K-ras Mutations in Colorectal Cancer Screening
言語 en
言語
言語 eng
キーワード
言語 en
主題Scheme Other
主題 Stool
キーワード
言語 en
主題Scheme Other
主題 Noninvasive sample
キーワード
言語 en
主題Scheme Other
主題 Fecal occult blood
キーワード
言語 en
主題Scheme Other
主題 Colorectal cancer
キーワード
言語 en
主題Scheme Other
主題 K-ras mutation
キーワード
言語 en
主題Scheme Other
主題 Genetic screening
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 departmental bulletin paper
ID登録
ID登録 10.15114/tr.36.7
ID登録タイプ JaLC
著者 Yamaguchi, Akihiro

× Yamaguchi, Akihiro

Yamaguchi, Akihiro

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Hashimoto, Naoko

× Hashimoto, Naoko

Hashimoto, Naoko

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Tsutae, Wataru

× Tsutae, Wataru

Tsutae, Wataru

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Seino, Kuniyoshi

× Seino, Kuniyoshi

Seino, Kuniyoshi

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Osanai, Hiroyuki

× Osanai, Hiroyuki

Osanai, Hiroyuki

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Yamamoto, Naoya

× Yamamoto, Naoya

Yamamoto, Naoya

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Tokino, Takashi

× Tokino, Takashi

Tokino, Takashi

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Sato, Noriyuki

× Sato, Noriyuki

Sato, Noriyuki

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Kikuchi, Kokichi

× Kikuchi, Kokichi

Kikuchi, Kokichi

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抄録
内容記述タイプ Abstract
内容記述 Detection of genetic alterations in exfoliated intestinal cells into feces is expected to be a novel approach to colorectal cancer screening. We aimed here to detect cancer-related gene mutations in routine fecal specimen; dried feces spots (DFS) on a filter paper especially designated for an automated fecal occult blood (FOB) test. DNA was simply extracted from a 3 mm disc of DFS (including around 10 mg feces) with a boiling procedure followed by a cationic surfactant extraction. K-ras common mutations, as the typical cancer-related gene alterations, were detected with a nested allele specific PCR with microfluorometry (ASP/MFL). Adequate DNA was recovered from 363/451 (80.5%) DFS specimens tested. The K-ras mutations were detected in 2/24 (8.3%) from patients with colorectal cancer and 13/315 (4.1%) from screening participants with positive FOB. No mutations were detected in 24 DFS specimens with negative FOB. The results of K-ras mutation frequency were not encouraging to achieve practically a specific dreliable method for colorectal cancer screening. However this report, identifying for the first time a cancer related gene alteration in feces using identical samples with routine FOB test, will be a step to realize a molecular genetic testing for the cancer screening.
書誌情報 Tumor Research
en : Tumor Research

巻 36, p. 7-13, 発行日 2001
ISSN
収録物識別子タイプ ISSN
収録物識別子 0041-4093
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
出版者
出版者 Sapporo Medical University
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