miPred

miPred classifies genuine microRNA precursors (pre-miRNAs) versus pseudo pre-miRNAs to distinguish functional miRNA precursors for studies of miRNA-mediated gene regulation.


Key Features:

  • Hybrid Feature Integration: Combines local contiguous structure-sequence composition, minimum free energy (MFE) of secondary structures, and P-values from randomization tests to distinguish real and pseudo pre-miRNAs.
  • Machine Learning Algorithm - Random Forest (RF): Employs a Random Forest (RF) classifier that outperforms the Triplet-SVM-classifier with nearly a 10% increase in total accuracy.
  • High Specificity and Sensitivity: Reports a specificity of 98.21% and a sensitivity of 95.09% for pre-miRNA classification.

Scientific Applications:

  • miRNA discovery: Identification of genuine pre-miRNAs in genomic and transcriptomic datasets to expand miRNA catalogs.
  • Gene regulation studies: Enabling analysis of miRNA-mediated regulation by distinguishing functional miRNA precursors from structural mimics.
  • Disease research: Supporting investigation of miRNA roles in diseases such as cancer by providing high-confidence pre-miRNA predictions.
  • Therapeutic research: Informing development of targeted therapeutic strategies that involve validated miRNA precursors.
  • Large-scale and functional genomics: Facilitating large-scale miRNA studies and functional genomics analyses through high-accuracy precursor classification.

Methodology:

Integrates local contiguous structure-sequence composition with minimum free energy (MFE) calculations and P-values from randomization tests, and classifies sequences using the Random Forest (RF) algorithm.

Topics

Details

Tool Type:
web application
Added:
2/10/2017
Last Updated:
11/25/2024

Operations

Publications

Jiang P, Wu H, Wang W, Ma W, Sun X, Lu Z. MiPred: classification of real and pseudo microRNA precursors using random forest prediction model with combined features. Nucleic Acids Research. 2007;35(Web Server):W339-W344. doi:10.1093/nar/gkm368. PMID:17553836. PMCID:PMC1933124.