991-Mapping Human Cell Genetic Interaction Network

This research presents a comprehensive map of the human genetic interaction network by utilizing CRISPR-Cas9 technology to analyze approximately four million gene pairs in HAP1 cells. The study identifies roughly 89,000 high-confidence interactions, revealing a hierarchical organization that connects genes to specific protein complexes, pathways, and cellular processes. By comparing these results to yeast models, the authors demonstrate that the fundamental principles and topology of genetic networks are conserved across species. Furthermore, this data complements the DepMap cancer dependency project by providing molecular insights into the genetic factors that drive cancer cell vulnerabilities. The findings establish a robust, data-driven framework for functional genomics, aiding in the discovery of roles for previously uncharacterized genes. Ultimately, this global network serves as a vital resource for understanding how gene-gene interactions influence human health, disease manifestation, and potential therapeutic strategies. References: • Billmann M, Costanzo M, Zhang X, et al. Global genetic interaction network of a human cell maps conserved principles and informs functional interpretation of gene co-essentiality profiles[J]. Cell, 2026.