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Published on: May 17, 2019
PanDrugs2: prioritizing cancer therapies using integrated individual multi-omics data
María José Jiménez-Santos1, Alba Nogueira-Rodríguez2,3, Elena Piñeiro-Yáñez1
1Bioinformatics Unit, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain.
Abstract:
Genomics studies routinely confront researchers with long lists of tumor alterations detected in patients. Such lists are difficult to interpret since only a minority of the alterations are relevant biomarkers for diagnosis and for designing therapeutic strategies. PanDrugs is a methodology that facilitates the interpretation of tumor molecular alterations and guides the selection of personalized treatments. To do so, PanDrugs scores gene actionability and drug feasibility to provide a prioritized evidence-based list of drugs. Here, we introduce PanDrugs2, a major upgrade of PanDrugs that, in addition to somatic variant analysis, supports a new integrated multi-omics analysis which simultaneously combines somatic and germline variants, copy number variation and gene expression data. Moreover, PanDrugs2 now considers cancer genetic dependencies to extend tumor vulnerabilities providing therapeutic options for untargetable genes. Importantly, a novel intuitive report to support clinical decision-making is generated. PanDrugs database has been updated, integrating 23 primary sources that support >74K drug-gene associations obtained from 4642 genes and 14 659 unique compounds. The database has also been reimplemented to allow semi-automatic updates to facilitate maintenance and release of future versions. PanDrugs2 does not require login and is freely available at https://www.pandrugs.org/.
Insights
PanDrugs2 enhances tumor molecular alteration interpretation by integrating multi-omics data and cancer genetic dependencies. This provides personalized therapeutic strategies and an intuitive clinical decision-making report.
Area of Science:
- Computational biology
- Genomic medicine
- Bioinformatics
Background:
- Interpreting extensive tumor genomic alterations for personalized treatment is challenging.
- Identifying relevant biomarkers from complex molecular data requires advanced analytical tools.
Purpose of the Study:
- To introduce PanDrugs2, an upgraded methodology for interpreting tumor molecular alterations.
- To facilitate the selection of personalized therapeutic strategies by integrating multi-omics data and cancer genetic dependencies.
Main Methods:
- Integrated multi-omics analysis combining somatic and germline variants, copy number variation, and gene expression data.
- Incorporation of cancer genetic dependencies to identify novel therapeutic targets.
- Database update with >74K drug-gene associations from 23 sources.
Main Results:
- PanDrugs2 supports comprehensive analysis of somatic and germline variants, copy number variation, and gene expression.
- Identified therapeutic options for previously untargetable genes by considering cancer genetic dependencies.
- Generated an updated database with extensive drug-gene associations and a novel clinical decision-making report.
Conclusions:
- PanDrugs2 significantly advances the interpretation of tumor molecular alterations for personalized medicine.
- The integrated multi-omics approach and consideration of genetic dependencies offer broader therapeutic options.
- PanDrugs2 provides a valuable, freely accessible resource for clinical decision-making in oncology.
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