NIH R01 · 2024
Developmental control of chromatin states in cancer
SUMMARY Ewing sarcoma, a cancer of the bone and soft tissue of children and young adults, remains a highly lethal cancer despite the use of aggressive chemotherapy, radiation, and surgery. The tumor is dependent on the development of a hybrid gene that brings together parts of two different genes, EWSR1 and FLI1, through chromosomal translocation or chromoplexy. The resulting EWS-FLI1 fusion oncoprotein acts as a transcriptional and chromatin regulator. Building from the work of our lab and others demonstrating that EWS-FLI1 gains neomorphic activity to regulates chromatin state at microsatellite coopted to become enhancers in tumor cells. However, we have shown that the activity and…
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