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Updated: Jun 8, 2026

Next Generation Sequencing for the Detection of Actionable Mutations in Solid and Liquid Tumors
Published on: September 20, 2016
Mutated genes, pathways and processes in tumours
Anaïs Baudot1, Victor de la Torre, Alfonso Valencia
1Structural Computational Biology, and National Bioinformatic Institute Unit, Structural Biology and Biocomputing Programme, Spanish National Cancer Research Centre (CNIO), C/Melchor Fernández Almagro 3, Madrid E-28029, Spain.
Abstract:
Integration of the many available sources of cancer gene information--such as large-scale tumour-resequencing studies--identifies the 'usual suspect' genes, mutated in many tumour types, as well as different sets of mutated genes according to the specific tumour type. Scaling-up the analysis reveals that this large collection of mutated genes cluster into a smaller number of signalling pathways and processes. From this, we draw a map of the altered processes, and their combinations, in more than 10 tumours types. Literature searches identify pathways and processes that are covered sparsely in the literature, and invite the proposal of new hypotheses to investigate cancer initiation and progression.
Insights
Analyzing cancer gene data reveals common and tumor-specific mutations that cluster into key signaling pathways. This mapping across multiple cancer types aids in understanding cancer initiation and progression.
Area of Science:
- Oncology
- Genomics
- Bioinformatics
Background:
- Numerous cancer gene databases and large-scale tumor-resequencing studies provide extensive mutation data.
- Identifying recurring mutations ('usual suspects') and tumor-specific alterations is crucial for understanding cancer heterogeneity.
Purpose of the Study:
- To integrate diverse cancer gene information sources.
- To map altered signaling pathways and their combinations across more than 10 tumor types.
- To identify research gaps and propose new hypotheses for cancer initiation and progression.
Main Methods:
- Data integration from multiple cancer gene information sources.
- Analysis of large-scale tumor-resequencing data.
- Clustering of mutated genes into signaling pathways and biological processes.
- Literature review to identify research gaps.
Main Results:
- Identification of 'usual suspect' cancer genes mutated across many tumor types.
- Discovery of distinct sets of mutated genes specific to different tumor types.
- Clustering of a large number of mutated genes into a smaller set of signaling pathways and processes.
- Creation of a map detailing altered processes and their combinations in over 10 tumor types.
Conclusions:
- Cancer gene mutations converge into key signaling pathways, offering a simplified view of complex genomic alterations.
- The developed map highlights research gaps, suggesting novel hypotheses for investigating cancer initiation and progression.
- This integrated approach enhances our understanding of cancer biology and provides a framework for future research.
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