Research We Fund

T-ALL is an aggressive leukemia with limited treatment options. T-ALL cells resist to dying by suppressing their suicide pathways. BH3 mimetics reactivate the suicide mechanisms to induce cell death. We showed that these drugs are effective in T-ALL, but acquired resistance is due to the activation of growth-promoting signaling pathways. The proposed experiments will decipher the relationship between growth and death pathways, identifying unique combination therapies to improve disease outcomes.

Long non-protein coding RNAs (lncRNAs) are fundamental for proper cell function, but their purpose is poorly understood in multiple myeloma. To systematically identify myeloma-promoting lncRNAs, we integrated gene expression profiling of myeloma patients with high-throughput loss-of-function studies in cell lines. Moreover, we optimized strategies to antagonize myeloma-promoting lncRNAs, thus paving the way to developing lncRNA inhibitors as the next generation of therapy.

This research will test a promising new drug combination in acute myeloid leukemia (AML) carrying TP53 gene mutations, which is resistant to chemotherapy and has a median survival of less than 5 months. Our preliminary data show that TP53-mutated AML is selectively sensitive to the combination of an ATR inhibitor and decitabine. We will confirm activity of this novel drug combination using mouse models of leukemia and human AML samples and explore mechanisms of responsiveness.

The transcription factor MYB has long been associated with leukemia, but how it contributes to disease is poorly understood. Fusions of MYB to other proteins, causing MYB activation, are found in patients with Blastic Plasmacytoid Dendritic Cell Neoplasm (BPDCN), but rare in other leukemias. I am using recently developed techniques to gain insight into how MYB fusions cause BPDCN. This will enable both new treatments for BPDCN and better understanding of the role of MYB in other leukemias.