In Vivo Profiling of Leukemic Stem Cell Fitness
收藏干细胞与再生医学数据中心2022-02-20 更新2024-03-06 收录
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By transplanting in competition multiple pre-leukemic clones in a cohort of primary recipients, we observed emergence of dominant clones during the development of AML. By sampling âwinnerâ clones at different time points, we could observe the gradual acquisition a of cell-intrinsic growth advantage that was preserved in secondary transplantation, whereas control âloserâ clones grew at a significantly lower rate. Functional characterization of the winner clones demonstrated a higher engraftment rate in vivo, whereas the self-renewal potential and growth rate in vitro was similar among winner and loser clones. By comparing the gene expression profile of leukemic stem cells isolated from various clones, we observed that the most aggressive clones share a common signature characterized by activation of multiple metabolic pathways, such as steroid biosynthesis and response to oxidative stress.
提供机构：
dana farber cancer institute
创建时间：
2022-02-20
