Abstract
Acute myeloid leukemia (AML) is caused by recurrent mutations in members of the gene regulatory and signaling machinery that control hematopoietic progenitor cell growth and differentiation. Here, we show that the transcription factor WT1 forms a major node in the rewired mutation-specific gene regulatory networks of multiple AML subtypes. WT1 is frequently either mutated or upregulated in AML, and its expression is predictive for relapse. The WT1 protein exists as multiple isoforms. For two main AML subtypes, we demonstrate that these isoforms exhibit differential patterns of binding and support contrasting biological activities, including enhanced proliferation. We also show that WT1 responds to oncogenic signaling and is part of a signaling-responsive transcription factor hub that controls AML growth. WT1 therefore plays a central and widespread role in AML biology.
| Original language | English |
|---|---|
| Article number | 109010 |
| Pages (from-to) | 109010 |
| Journal | Cell reports |
| Volume | 35 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 20 Apr 2021 |
Keywords
- Base Sequence
- Cell Line, Tumor
- Cell Movement
- Cell Proliferation
- Chromatin/chemistry
- Chromosomes, Human, Pair 21
- Chromosomes, Human, Pair 8
- Core Binding Factor Alpha 2 Subunit/genetics
- Early Growth Response Protein 1/genetics
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic
- Gene Regulatory Networks
- HEK293 Cells
- Humans
- Leukemia, Myeloid, Acute/classification
- Lung Neoplasms/genetics
- Oncogene Proteins, Fusion/genetics
- Protein Isoforms/antagonists & inhibitors
- RNA, Small Interfering/genetics
- RUNX1 Translocation Partner 1 Protein/genetics
- Signal Transduction
- Sp1 Transcription Factor/genetics
- Translocation, Genetic
- WT1 Proteins/antagonists & inhibitors
- fms-Like Tyrosine Kinase 3/genetics
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