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MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
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MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After...
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TargetCompare: A web interface to compare simultaneous miRNAs targets.

Fabiano Cordeiro Moreira1, Bruno Dustan1, Igor G Hamoy2

  • 1Laboratorio de Genética Humana e Medica, Instituto de Ciências Biológicas, Universidade Federal do Para, Belem, PA, Brasil ; Centro Universitário do Pará - Área de Ciências Exatas e Tecnologia, , Belém, PA, Brasil.

Bioinformation
|October 30, 2014
PubMed
Summary
This summary is machine-generated.

This study introduces a web tool for analyzing multiple microRNA (miRNA) targets, aiding in the identification of key genes involved in cellular processes. The tool helps pinpoint significant miRNA-gene interactions for biological research.

Keywords:
BioinformaticsGastric CancerTarget GenesWeb toolmiRNA

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Area of Science:

  • Molecular Biology
  • Bioinformatics

Background:

  • MicroRNAs (miRNAs) are small non-coding RNA molecules crucial for gene expression regulation.
  • Complex cellular signaling networks involve numerous miRNA targets, necessitating simultaneous analysis.
  • Identifying key miRNAs and their targets is vital for understanding tissue-specific biological functions.

Purpose of the Study:

  • To develop and validate a web tool for analyzing multiple microRNA targets.
  • To facilitate the identification of significant miRNA-gene interactions within specific biological contexts.

Main Methods:

  • A Java-based web tool utilizing a MySQL database was developed.
  • The tool analyzes multiple targets for pre-selected microRNAs.
  • Cross-validation was performed using eight highly expressed miRNAs in the stomach antrum.

Main Results:

  • The tool successfully identified 43 potential target genes.
  • These genes are targeted by at least six of the analyzed microRNAs.
  • The findings reduce randomness in selecting candidate target genes and miRNAs.

Conclusions:

  • The developed web tool enhances the identification of significant miRNA-gene interactions.
  • It aids researchers in selecting strong candidate genes and miRNAs for functional studies.
  • This approach increases the efficiency of discovering biologically relevant miRNA roles in tissues.