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  1. 学位論文
  2. 博士論文(医学)
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CCNB2 and AURKA overexpression may cause atypical mitosis in Japanese cortisol-producing adrenocortical carcinoma with TP53 somatic variant

http://hdl.handle.net/10271/00003873
http://hdl.handle.net/10271/00003873
9b691b74-5bd0-49dd-a86a-04968b3bcc26
名前 / ファイル ライセンス アクション
DT_865ronbun.pdf 論文本文 (1.9 MB)
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Item type 学位論文 / Thesis or Dissertation(1)
公開日 2021-08-01
タイトル
タイトル CCNB2 and AURKA overexpression may cause atypical mitosis in Japanese cortisol-producing adrenocortical carcinoma with TP53 somatic variant
言語 en
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_db06
資源タイプ doctoral thesis
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
その他のタイトル
その他のタイトル CCNB2とAURKAの過剰発現はTP53体細胞変異を有する日本人コルチゾール産生副腎皮質がんにおいて異常核分裂像を惹起する可能性がある
著者 池谷, 章

× 池谷, 章

ja 池谷, 章

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書誌情報 en : PLOS ONE

巻 15, 号 4, p. e0231665, 発行日 2020-04-14
出版者
出版者 Public Library of Science (PLoS)
言語 en
権利
言語 en
権利情報 Copyright 2020 Ikeya et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
抄録
内容記述タイプ Abstract
内容記述 Background
Many genomic analyses of cortisol-producing adrenocortical carcinoma (ACC) have been reported, but very few have come from East Asia. The first objective of this study is to verify the genetic difference with the previous reports by analyzing targeted deep sequencing of 7 Japanese ACC cases using next-generation sequencing (NGS). The second objective is to compare the somatic variant findings identified by NGS analysis with clinical and pathological findings, aiming to acquire new knowledge about the factors that contribute to the poor prognosis of ACC and to find new targets for the treatment of ACC.
Method
DNA was extracted from ACC tissue of seven patients and two reference blood samples. Targeted deep sequencing was performed using the MiSeq system for 12 genes, and the obtained results were analyzed using MuTect2. The hypothesis was obtained by integrating the somatic variant findings with clinical and pathological data, and it was further verified using The Cancer Genome Atlas (TCGA) dataset for ACC.
Results
Six possible pathogenic and one uncertain significance somatic variants including a novel PRKAR1A (NM_002734.4):c.545C>A (p.T182K) variant were found in five of seven cases. By integrating these data with pathological findings, we hypothesized that cases with TP53 variants were more likely to show atypical mitotic figures. Using TCGA dataset, we found that atypical mitotic figures were associated with TP53 somatic variant, and mRNA expression of CCNB2 and AURKA was significantly high in TP53 mutated cases and atypical mitotic figure cases.
Conclusion
We believe this is the first report that discusses the relationship between atypical mitotic figures and TP53 somatic variant in ACC. We presumed that overexpression of CCNB2 and AURKA mRNA may cause atypical mitosis in TP53 somatic mutated cases. Because AURKA is highly expressed in atypical mitotic cases, it may be an appropriate indicator for AURKA inhibitors.
言語 en
学位名
学位名 博士(医学)
学位の区分
内容記述 doctoral
学位の分野
内容記述 医学系研究科
学位授与機関
学位授与機関識別子Scheme kakenhi
学位授与機関識別子 13802
学位授与機関名 浜松医科大学
学位授与年月日
学位授与年月日 2021-03-16
学位授与番号
学位授与番号 甲第865号
EISSN
収録物識別子タイプ EISSN
収録物識別子 1932-6203
PubMed番号
識別子タイプ PMID
関連識別子 32287321
出版社DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1371/journal.pone.0231665
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
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