OCSVM

OCSVM identifies disease-associated genes from gene expression data using one-class support vector machine classification to prioritize known disease-causing genes, with demonstrated application to acute myeloid leukemia (AML) datasets.


Key Features:

  • One-Class Classification Focus: Uses one-class support vector machines to model only known disease genes and detect anomalous (disease-associated) patterns without requiring labeled non-disease genes.
  • Enhanced Sensitivity and Precision: Prioritization of known disease genes improves accuracy metrics, with reported gains in precision, recall, and F-measure on AML gene expression datasets.
  • Benchmarking and Validation: Performance was evaluated using a benchmark dataset derived from gene expression profiles associated with acute myeloid leukemia to assess robustness.

Scientific Applications:

  • Gene Prioritization in Genomics: Streamlines identification of genes implicated in diseases such as acute myeloid leukemia from gene expression data.
  • Therapeutic Target Nomination: Narrows candidate genes for therapeutic intervention by improving precision and recall in disease-gene detection.
  • AML Expression Analysis: Applicable to analysis and interpretation of acute myeloid leukemia gene expression datasets for disease-associated signal detection.

Methodology:

Constructs a model using one-class support vector machines applied to gene expression profiles to distinguish normal versus anomalous (disease-associated) patterns without requiring negative training samples.

Topics

Details

Tool Type:
command-line tool
Programming Languages:
MATLAB
Added:
1/14/2020
Last Updated:
1/4/2021

Operations

Publications

Vasighizaker A, Sharma A, Dehzangi A. A novel one-class classification approach to accurately predict disease-gene association in acute myeloid leukemia cancer. PLOS ONE. 2019;14(12):e0226115. doi:10.1371/journal.pone.0226115. PMID:31825992. PMCID:PMC6905554.

PMID: 31825992
PMCID: PMC6905554
Funding: - National Institute of General Medical Sciences: UL1GM118973