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KAKEN_15K20112seika  
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Title
Title 尿路上皮癌におけるEZH2制御による抗腫瘍効果の検討  
Kana ニョウロ ジョウヒガン ニ オケル EZH2 セイギョ ニ ヨル コウシュヨウ コウカ ノ ケントウ  
Romanization Nyoro johigan ni okeru EZH2 seigyo ni yoru koshuyo koka no kento  
Other Title
Title Antitumor effect by regulation of EZH2 on urothelial carcinoma  
Kana  
Romanization  
Creator
Name 早川, 望  
Kana ハヤカワ, ノゾミ  
Romanization Hayakawa, Nozomi  
Affiliation 慶應義塾大学・医学部・助手  
Affiliation (Translated)  
Role Research team head  
Link 科研費研究者番号 : 10528441

Name 菊地, 栄次  
Kana キクチ, エイジ  
Romanization Kikuchi, Eiji  
Affiliation 慶應義塾大学・医学部・講師  
Affiliation (Translated)  
Role Research team member  
Link  

Name 宮嶋, 哲  
Kana ミヤジマ, アキラ  
Romanization Miyajima, Akira  
Affiliation 慶應義塾大学・医学部・准教授  
Affiliation (Translated)  
Role Research team member  
Link  

Name 大家, 基嗣  
Kana オオヤ, モトツグ  
Romanization Oya, Mototsugu  
Affiliation 慶應義塾大学・医学部・教授  
Affiliation (Translated)  
Role Research team member  
Link  
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Issued (from:yyyy) 2017  
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1 pdf  
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Name 科学研究費補助金研究成果報告書  
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Year 2016  
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Abstract
EZH2の選択的メチル化抑制阻害剤である GSK126を用いて直接的な抗腫瘍効果の検討を行った。ウエスタンブロット法にて, ヒト膀胱癌細胞株(UMUC3, KU19-19, T24, 5637)におけるEZH2の発現は確認できたが, GSK126投与後のH3K27me3発現の変化は認められなかった。さらにWSTアッセイでは濃度・時間依存ともにGSK126の有効な殺細胞効果は認められなかった。EZH2抑制と免疫チェックポイント阻害との相乗効果が検討されているが, 上部尿路上皮癌検体においてPD-1発現を検討したところ, 腫瘍内部のPD-1強陽性が独立して上部尿路上皮癌死と関連していた。
We examined direct antitumor effect for urothelial carcinoma by using GSK126, which is an inhibitor of selective methylation of EZH2. Expression of EZH2 could be confirmed in human bladder cancer cell lines (UMUC3, KU19-19, T24, 5637) by the Western blotting method, whereas expression of H3K27me3 after administration of GSK126 in vitro was no change in the expression level compared with the control. Furthermore, we examined the effect of GSK on cell growth by WST assay, and no effective decrease of cell viability in either concentration dependence or time dependence. Recently, a synergistic effect between inhibition of EZH2 and immunocheckpoint inhibitor has been studied.We examined the role of PD-1 expression on the clinical outcome of upper tract urothelial carcinoma. PD-1 positivity in the tumor inside could be a strong predictor for a worse clinical outcome.
 
Table of contents

 
Keyword
EZH2  

尿路上皮癌  

H3K27me3  

PD-1  
NDC
 
Note
研究種目 : 若手研究(B)
研究期間 : 2015~2016
課題番号 : 15K20112
研究分野 : 泌尿器悪性腫瘍
 
Language
日本語  

英語  
Type of resource
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Genre
Research Paper  
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Last modified date
Sep 21, 2017 15:40:55  
Creation date
Sep 21, 2017 15:40:55  
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/ Public / Grants-in-Aid for Scientific Research / Fiscal year 2016 / Japan Society for the Promotion of Science
 
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