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Blockade of EGFR signaling promotes glioma stem-like cell invasiveness by abolishing ID3-mediated inhibition of p27(KIP1) and MMP3 expression
- Authors
- Jin, Xun; Jin, Xiong; Sohn, Young-Woo; Yin, Jinlong; Kim, Sung-Hak; Joshi, Kaushal; Nam, Do-Hyun; Nakano, Ichiro; Kim, Hyunggee
- Issue Date
- 28-Jan-2013
- Publisher
- ELSEVIER IRELAND LTD
- Keywords
- Glioma stem cells; Glioblastoma; EGFR; ID3; Invasion
- Citation
- CANCER LETTERS, v.328, no.2, pp.235 - 242
- Indexed
- SCIE
SCOPUS
- Journal Title
- CANCER LETTERS
- Volume
- 328
- Number
- 2
- Start Page
- 235
- End Page
- 242
- ISSN
- 0304-3835
- Abstract
- Aberrant epidermal growth factor receptor (EGFR) signaling is a typical oncogenic signature in glioblastoma. Here, we show that EGFR inhibition in primary glioma stem cells (GSCs) with oncogenic EGFRvIII and EGFRvIII-transduced glioma stem-like cells promotes invasion by decreasing ID3 levels. ID3 suppresses GSC invasiveness by inhibiting p27(KIP1)-RhoA-dependent migration and MMP3 expression. Xenograft and human glioblastoma specimens show that ID3 localizes within glioblastoma cores, whereas p27(KIP1) and MMP3 are predominantly expressed in glioma cells in invasive fronts. Together, our findings show that EGFR inhibition induces GSC invasiveness by abolishing ID3-mediated inhibition of p27(KIP1) and MMP3 expression. (C) 2012 Elsevier Ireland Ltd. All rights reserved.
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Related Researcher
- Kim, Hyung gee
- Department of Biotechnology