Interplay of the iron-regulated metastasis suppressor NDRG1 with epidermal growth factor receptor (EGFR) and oncogenic signaling.

J Biol Chem

Molecular Pharmacology and Pathology Program, Department of Pathology, Bosch Institute, University of Sydney, Sydney, New South Wales 2006, Australia. Electronic address:

Published: August 2017

AI Article Synopsis

  • NDRG1 is a metastasis suppressor that inhibits various cancer signaling pathways, particularly those induced by the ErbB family of receptors.
  • It works by preventing the formation of key receptor dimers (EGFR/HER2 and HER2/HER3) and promoting the degradation of the EGFR.
  • Gaining insights into the relationship between NDRG1, iron, and ErbB signaling could lead to new and effective cancer treatment options.

Article Abstract

The iron-regulated metastasis suppressor N-myc downstream-regulated gene 1 (NDRG1) has been shown to inhibit numerous oncogenic signaling pathways in cancer cells. Recent findings have demonstrated that NDRG1 inhibits the ErbB family of receptors, which function as key inducers of carcinogenesis. NDRG1 attenuates ErbB signaling by inhibiting formation of epidermal growth factor receptor (EGFR)/human epidermal growth factor receptor 2 (HER2) and HER2/HER3 heterodimers and by down-regulating EGFR via a mechanism involving its degradation. Understanding the complex interplay between NDRG1, iron, and ErbB signaling is vital for identifying novel, more effective targets for cancer therapy.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5546018PMC
http://dx.doi.org/10.1074/jbc.R117.776393DOI Listing

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