miRGator v2.0: an integrated system for functional investigation of microRNAs

被引：42

作者：

Cho, Sooyoung ^{[1
]}

Jun, Yukyung ^{[1
]}

Lee, Sanghyun ^{[1
]}

Choi, Hyung-Seok ^{[1
]}

Jung, Sungchul ^{[1
]}

Jang, Youngjun ^{[2
]}

Park, Charny ^{[1
]}

Kim, Sangok ^{[1
]}

Lee, Sanghyuk ^{[1
,2
]}

Kim, Wankyu ^{[1
]}

机构：

[1] Ewha Womans Univ, ERCSB, Seoul 120750, South Korea

[2] KOBIC, Taejon 305806, South Korea

来源：

NUCLEIC ACIDS RESEARCH | 2011年 / 39卷

关键词：

TARGET RECOGNITION; EXPRESSION; GENOMICS; DATABASE; ARCHIVE; TOOL;

D O I：

10.1093/nar/gkq1094

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

miRGator is an integrated database of microRNA (miRNA)-associated gene expression, target prediction, disease association and genomic annotation, which aims to facilitate functional investigation of miRNAs. The recent version of miRGator v2.0 contains information about (i) human miRNA expression profiles under various experimental conditions, (ii) paired expression profiles of both mRNAs and miRNAs, (iii) gene expression profiles under miRNA-perturbation (e.g. miRNA knockout and overexpression), (iv) known/predicted miRNA targets and (v) miRNA-disease associations. In total, > 8000 miRNA expression profiles, similar to 300 miRNA-perturbed gene expression profiles and similar to 2000 mRNA expression profiles are compiled with manually curated annotations on disease, tissue type and perturbation. By integrating these data sets, a series of novel associations (miRNA-miRNA, miRNA-disease and miRNA-target) is extracted via shared features. For example, differentially expressed genes (DEGs) after miRNA knockout were systematically compared against miRNA targets. Likewise, differentially expressed miRNAs (DEmiRs) were compared with disease-associated miRNAs. Additionally, miRNA expression and disease-phenotype profiles revealed miRNA pairs whose expression was regulated in parallel in various experimental and disease conditions. Complex associations are readily accessible using an interactive network visualization interface. The miRGator v2.0 serves as a reference database to investigate miRNA expression and function (http://miRGator.kobic.re.kr).

引用

页码：D158 / D162

页数：5

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