LungDWM

LungDWM integrates weakly paired multiomics data to improve lung cancer subtype diagnosis by extracting omics-specific and shared features, imputing missing omics views, and fusing resulting representations.


Key Features:

  • Attention-Based Feature Encoders: Employs attention-based encoders tailored to each omics modality to identify diagnostic features and extract shared and complementary information across omics layers.
  • Generative Adversarial Learning for Data Imputation: Uses generative adversarial learning (GANs) to impute missing omics data from available views using extracted features.
  • Individual Loss Function: Incorporates an individual loss function to preserve omics-specific characteristics during feature learning.
  • Fusion of Extracted and Imputed Features: Fuses extracted and imputed features to produce integrated representations for lung cancer subtype classification.

Scientific Applications:

  • Precision Oncology: Supports molecular stratification of lung cancer subtypes to inform treatment decisions and personalized therapy selection.
  • Multiomics Integration with Incomplete Data: Enables diagnostic analysis and subtype classification using incomplete, weakly paired multiomics datasets common in clinical settings.

Methodology:

Applies attention mechanisms and attention-based encoders, generative adversarial networks (GANs) for imputation, an individual loss function to retain omics-specific information, and fusion of extracted and imputed features to handle weakly paired multiomics data.

Topics

Details

Cost:
Free of charge
Tool Type:
command-line tool, library
Programming Languages:
Python
Added:
11/8/2022
Last Updated:
11/24/2024

Operations

Publications

Wang X, Yu G, Wang J, Zain AM, Guo W. Lung cancer subtype diagnosis using weakly-paired multi-omics data. Bioinformatics. 2022;38(22):5092-5099. doi:10.1093/bioinformatics/btac643. PMID:36130063.

PMID: 36130063
Funding: - National Natural Science Foundation of China: 61872300, 62072380, 62272276 - Major Scientific and Technological Innovation Project: 2021CXGC010506