miRNA expression atlas in male rat.

miRNA expression atlas in male rat.
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DOI:
10.1038/sdata.2014.5
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发表时间:
2014
期刊:
影响因子:
9.8
通讯作者:
Urushidani, Tetsuro
Urushidani, Tetsuro
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Minami, Keiichi;Uehara, Takeki;Morikawa, Yuji;Omura, Ko;Kanki, Masayuki;Horinouchi, Akira;Ono, Atsushi;Yamada, Hiroshi;Ohno, Yasuo;Urushidani, Tetsuro

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MicroRNAs (miRNAs)是一种小的(约22个核苷酸)非编码rna,在基因表达调控中起关键作用。mirna作为循环生物标志物的价值现已得到广泛认可;这种组织特异性生物标志物可用于监测组织损伤和器官中的几种病理生理状况。此外,正常器官和组织的miRNA谱对于更好地了解血液中miRNA调节的来源以及这些调节如何反映各种生理和毒理学条件非常重要。这项工作旨在创建大鼠miRNA图谱,作为与日本毒物基因组学信息学项目(TGP2)合作努力的一部分。我们使用miRNA阵列分析了从正常雄性大鼠获得的55种不同器官和组织的全基因组miRNA谱。本文介绍的工作代表了一个综合数据集,来自于单一研究中的正常样本。在这里,我们展示了整个数据集,包括多个器官的miRNA谱,以及在该数据集中鉴定的实验程序和器官特异性miRNA的精确信息。
MicroRNAs (miRNAs) are small (~22 nucleotide) noncoding RNAs that play pivotal roles in regulation of gene expression. The value of miRNAs as circulating biomarkers is now broadly recognized; such tissue-specific biomarkers can be used to monitor tissue injury and several pathophysiological conditions in organs. In addition, miRNA profiles of normal organs and tissues are important for obtaining a better understanding of the source of modulated miRNAs in blood and how those modulations reflect various physiological and toxicological conditions. This work was aimed at creating an miRNA atlas in rats, as part of a collaborative effort with the Toxicogenomics Informatics Project in Japan (TGP2). We analyzed genome-wide miRNA profiles of 55 different organs and tissues obtained from normal male rats using miRNA arrays. The work presented herein represents a comprehensive dataset derived from normal samples profiled in a single study. Here we present the whole dataset with miRNA profiles of multiple organs, as well as precise information on experimental procedures and organ-specific miRNAs identified in this dataset.
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