期刊
CELL REPORTS
卷 37, 期 4, 页码 -出版社
CELL PRESS
DOI: 10.1016/j.celrep.2021.109900
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类别
资金
- Cancer Research UK Programme Foundation
- MRC PhD studentship
- Edinburgh MRC Centre for Regenerative Medicine [MR/K017047/1]
- MRC [MR/K017047/1] Funding Source: UKRI
This study reveals the unique biology of infant MLL-AF4-driven acute lymphoblastic leukemia, especially its prenatal origin, providing new insights and directions for the treatment of this disease.
Infant MLL-AF4-driven acute lymphoblastic leukemia (ALL) is a devastating disease with dismal prognosis. A lack of understanding of the unique biology of this disease, particularly its prenatal origin, has hindered improvement of survival. We perform multiple RNA sequencing experiments on fetal, neonatal, and adult hematopoietic stem and progenitor cells from human and mouse. This allows definition of a conserved fetal transcriptional signature characterized by a prominent proliferative and oncogenic nature that persists in infant ALL blasts. From this signature, we identify a number of genes in functional validation studies that are critical for survival of MLL-AF4+ ALL cells. Of particular interest are PLK1 because of the readily available inhibitor and ELOVL1, which highlights altered fatty acid metabolism as a feature of infant ALL. We identify which aspects of the disease are residues of its fetal origin and potential disease vulnerabilities.
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