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The EMT modulator SNAI1 contributes to AML pathogenesis via its interaction with LSD1

Authors
  • Carmichael, Catherine L.
  • Wang, Jueqiong
  • Nguyen, Thao
  • Kolawole, Oluseyi
  • Benyoucef, Aissa
  • De Mazière, Charlotte
  • Milne, Anna
  • Samuel, Sona
  • Gillinder, Kevin Robert
  • Hediyeh-zadeh, Soroor
  • Vo, Anh Ngoc Quynh
  • Huang, Yizhou
  • Knezevic, Kathy
  • McInnes, William R. L.
  • Shields, Benjamin J.
  • Mitchell, Helen
  • Ritchie, Matthew E.
  • Lammens, Tim
  • Lintermans, Béatrice
  • Van Vlierberghe, Pieter
  • And 17 more
Publication Date
Jan 01, 2020
Identifiers
DOI: 10.1182/blood.2019002548
OAI: oai:archive.ugent.be:8661620
Source
Ghent University Institutional Archive
Keywords
Language
English
License
White
External links

Abstract

Modulators of epithelial-to-mesenchymal transition (EMT) have recently emerged as novel players in the field of leukemia biology. The mechanisms by which EMT modulators contribute to leukemia pathogenesis, however, remain to be elucidated. Here we show that overexpression of SNAI1, a key modulator of EMT, is a pathologically relevant event in human acute myeloid leukemia (AML) that contributes to impaired differentiation, enhanced self-renewal, and proliferation of immature myeloid cells. We demonstrate that ectopic expression of Snai1 in hematopoietic cells predisposes mice to AML development. This effect is mediated by interaction with the histone demethylase KDM1A/LSD1. Our data shed new light on the role of SNAI1 in leukemia development and identify a novel mechanism of LSD1 corruption in cancer. This is particularly pertinent given the current interest surrounding the use of LSD1 inhibitors in the treatment of multiple different malignancies, including AML.

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