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Isoform-specific and signaling-dependent propagation of acute myeloid leukemia by Wilms tumor 1

  • Sandeep Potluri
  • , Salam A Assi
  • , Paulynn S Chin
  • , Dan J L Coleman
  • , Anna Pickin
  • , Shogo Moriya
  • , Naohiko Seki
  • , Olaf Heidenreich
  • , Peter N Cockerill
  • , Constanze Bonifer

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

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 languageEnglish
Article number109010
Pages (from-to)109010
JournalCell reports
Volume35
Issue number3
DOIs
Publication statusPublished - 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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