MERIDA

MERIDA predicts drug sensitivity in cancer cells by learning interpretable Boolean logic rules from multi-omics (genetic and molecular) data using a modified integer linear programming formulation.


Key Features:

  • Interpretable Models: Generates Boolean logic-based models to represent rules that link molecular features to drug sensitivity or resistance.
  • Enhanced Computational Efficiency: Alters logical rules from the LOBICO method to achieve accelerated running times and enable larger input feature sets.
  • Comprehensive Modeling: Supports integration of diverse multi-omics data to model mechanisms related to cancer initiation, progression, and drug response.
  • Incorporation of A Priori Knowledge: Enables inclusion of existing biomarker databases or iteratively acquired knowledge from previous runs to inform model construction.
  • Identification of Biomarkers: Identifies potential sensitivity and resistance biomarkers from the learned logical rules.

Scientific Applications:

  • Personalized oncology: Tailors drug-sensitivity predictions to genetic and molecular profiles of cancer samples for individualized treatment stratification.
  • Biomarker discovery: Discovers candidate sensitivity and resistance biomarkers from multi-omics-derived logical rules.
  • Modeling cancer mechanisms: Models interactions among molecular features to study processes related to cancer initiation and progression.
  • Method benchmarking: Provides a framework for comparing predictive performance against other machine learning or rule-based methods.

Methodology:

Uses a modified integer linear programming formulation built on and altering LOBICO, constructs Boolean logic-based rule models, and supports iterative refinement through successive runs and incorporation of prior biomarker knowledge.

Topics

Details

License:
GPL-3.0
Cost:
Free of charge
Tool Type:
command-line tool
Operating Systems:
Mac, Linux, Windows
Programming Languages:
Python, C++, R
Added:
1/14/2022
Last Updated:
1/14/2022

Operations

Publications

Lenhof K, Gerstner N, Kehl T, Eckhart L, Schneider L, Lenhof H. MERIDA: a novel Boolean logic-based integer linear program for personalized cancer therapy. Bioinformatics. 2021;37(21):3881-3888. doi:10.1093/bioinformatics/btab546. PMID:34352075. PMCID:PMC8570817.