CRISPR Activation Tool Identifies Genes Linked to Lymphoma Drug Resistance and Tumor Growth
Researchers have utilized a novel whole-genome CRISPR screening platform, named Partita, to identify genes associated with drug resistance in lymphoma cells and those that accelerate tumor growth. This new CRISPR activation technology, unlike traditional CRISPR methods that disrupt genes, allows for the activation of every gene in the mouse genome, one at a time, in both cellular and live models. The study, published in Science Advances, revealed that activating the Irx5 gene in cancer cells led to resistance against venetoclax, a commonly used blood cancer drug, by increasing a protein involved in cell survival. In live mice, Partita helped identify three genes—Runx2, Runx3, and Csf1r—that accelerate the growth of MYC-driven lymphoma, a type of cancer that is currently challenging to treat. This research provides new insights into the mechanisms of cancer progression and drug resistance, offering potential targets for future therapeutic interventions.