miRDB: A microRNA target prediction and functional annotation database with a wiki interface

Xiaowei Wang

Research output: Contribution to journalArticlepeer-review

568 Scopus citations

Abstract

MicroRNAs (miRNAs) are short noncoding RNAs that are involved in the regulation of thousands of gene targets. Recent studies indicate that miRNAs are likely to be master regulators of many important biological processes. Due to their functional importance, miRNAs are under intense study at present, and many studies have been published in recent years on miRNA functional characterization. The rapid accumulation of miRNA knowledge makes it challenging to properly organize and present miRNA function data. Although several miRNA functional databases have been developed recently, this remains a major bioinformatics challenge to miRNA research community. Here, we describe a new online database system, miRDB, on miRNA target prediction and functional annotation. Flexible web search interface was developed for the retrieval of target prediction results, which were generated with a new bioinformatics algorithm we developed recently. Unlike most other miRNA databases, miRNA functional annotations in miRDB are presented with a primary focus on mature miRNAs, which are the functional carriers of miRNA-mediated gene expression regulation. In addition, a wiki editing interface was established to allow anyone with Internet access to make contributions on miRNA functional annotation. This is a new attempt to develop an interactive community-annotated miRNA functional catalog. All data stored in miRDB are freely accessible at http://mirdb.org. Published by Cold Spring Harbor Laboratory Press.

Original languageEnglish
Pages (from-to)1012-1017
Number of pages6
JournalRNA
Volume14
Issue number6
DOIs
StatePublished - Jun 2008

Keywords

  • Database
  • Functional annotation
  • Target prediction
  • Wiki
  • microRNA

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