Int J Cancer. 2021 Dec 18; doi: 10.1002/ijc.33912. Epub 2021 Dec 18.
Complexity against current cancer research: Are we on the wrong track?.
International journal of cancer
Yasenya Kasikci, Hinrich Gronemeyer
Affiliations
Affiliations
- Department of Functional Genomics and Cancer, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France.
- Centre National de la Recherche Scientifique, UMR7104, Illkirch, France.
- Institut National de la Santé et de la Recherche Médicale, U1258, Illkirch, France.
- Université de Strasbourg, Illkirch, France.
PMID: 34921726
DOI: 10.1002/ijc.33912
Abstract
Cancer genetics has led to major discoveries, including protooncogene and tumor-suppressor concepts, and cancer genomics generated concepts like driver and passenger genes, revealed tumor heterogeneity and clonal evolution. Reconstructing trajectories of tumorigenesis using spatial and single-cell genomics is possible. Patient stratification and prognostic parameters have been improved. Yet, despite these advances, successful translation into targeted therapies has been scarce and mostly limited to kinase inhibitors. Here, we argue that current cancer research may be on the wrong track, by considering cancer more as a "monogenic" disease, trying to extract common information from thousands of patients, while not properly considering complexity and individual diversity. We suggest to empower a systems cancer approach which reconstructs the information network that has been altered by the tumorigenic events, to analyze hierarchies and predict (druggable) key nodes that could interfere with/block the aberrant information transfer. We also argue that the interindividual variability between patients of similar cohorts is too high to extract common polygenic network information from large numbers of patients and argue in favor of an individualized approach. The analysis we propose would require a structured multinational and multidisciplinary effort, in which clinicians, and cancer, developmental, cell and computational biologists together with mathematicians and informaticians develop dynamic regulatory networks which integrate the entire information transfer in and between cells and organs in (patho)physiological conditions, revealing hierarchies and available drugs to interfere with key regulators. Based on this blueprint, the altered information transfer in individual cancers could be modeled and possible targeted (combo)therapies proposed.
© 2021 UICC.
Keywords: complexity challenge; conceptual problems in cancer genomics; information transfer; integrated network analysis
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