Abstract
In this issue of Blood Cancer Discovery, Xie and colleagues describe a novel function of sphingosine-1-phosphate receptor 3 (S1PR3) to regulate myeloid differentiation and activate inflammatory programs in both human hematopoietic stem cells and leukemic stem cells. They propose S1PR3 as a major downstream signaling pathway of a TNFα-NF-κB axis in this study and unlock potential therapeutic opportunities to improve outcomes of patients with acute myeloid leukemia by modulating sphingolipid signaling via S1PR3. See related article by Xie et al., p. 32.
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