miRTar: an integrated system for identifying miRNA-target interactions in human

Area of Science:

• Genomics
• Bioinformatics
• Molecular Biology

Background:

• MicroRNAs (miRNAs) are small non-coding RNAs regulating gene expression.
• miRNAs influence a significant portion of human protein-coding genes.
• Understanding miRNA-target interactions is crucial for deciphering gene regulation.

Purpose of the Study:

• To develop an integrated system for identifying miRNA-target interactions.
• To investigate the influence of alternative splicing on miRNA regulation.
• To elucidate the biological functions of miRNAs in pathways.

Main Methods:

• Developed the miRTar integrated system.
• Employed various analyzing scenarios for miRNA-target identification (1:1, 1:N, N:1, N:M, etc.).
• Integrated pathway analysis (KEGG) and alternative splicing information.

Main Results:

• The miRTar system identifies putative miRNA target sites in various gene regions (3'UTR, 5'UTR, coding).
• miRTar highlights miRNA-regulated genes within specific KEGG pathways.
• The system provides insights into miRNA regulation affected by alternative splicing.

Conclusions:

• An integrated resource, miRTar, was developed for biologists.
• miRTar facilitates identification of biological functions and regulatory relationships.
• The system aids in exploring miRNA roles in biological pathways and alternative splicing.