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Two major studies led by VHIO have established the largest public repository of whole-genome sequencing data for over 7,000 tumor samples across 71 cancer types. This comprehensive dataset allows researchers to compare primary and metastatic tumors, revealing that genomic differences vary significantly by cancer type. For instance, while some cancers show subtle changes, others exhibit substantial genomic divergence, indicating that metastasis results from complex evolutionary processes and environmental interactions rather than single genetic alterations. The research highlights that metastatic cells often acquire resistance to aggressive treatments through specific genomic alterations enriched in metastases. Furthermore, a parallel study identifies mechanisms tumors use to evade the immune system, finding that these capabilities are usually established in early stages rather than emerging only during metastasis. These insights into the biological evolution of cancer are crucial for understanding disease progression and developing more effective therapeutic strategies. This article is highly relevant to open data because it emphasizes that the entire genomic dataset is publicly available to researchers. By making such vast and detailed biological information freely accessible, the study exemplifies the power of open data in accelerating scientific discovery. It enables a global community to analyze tumor biology, compare patterns across diverse cancer types, and collaborate on creating new treatments without barriers to data access.

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Published on 2023-05-11

Open Data

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