Pgc1α loss promotes lung cancer metastasis through epithelial-mesenchymal transition

  • Taek In Oh
  • , Mingyu Lee
  • , Yoon Mi Lee
  • , Geon Hee Kim
  • , Daekee Lee
  • , Jueng Soo You
  • , Sun Ha Kim
  • , Minyoung Choi
  • , Hyonchol Jang
  • , Yeong Min Park
  • , Hyun Woo Shin
  • , Dong Hoon Shin
  • , Ji Hong Lim

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

PGC1α oppositely regulates cancer metastasis in melanoma, breast, and pancreatic cancer; however, little is known about its impact on lung cancer metastasis. Transcriptome and in vivo xenograft analysis show that a decreased PGC1α correlates with the epithelial–mesenchymal transition (EMT) and lung cancer metastasis. The deletion of a single Pgc1α allele in mice promotes bone metastasis of KrasG12D-driven lung cancer. Mechanistically, PGC1α predominantly activates ID1 expression, which interferes with TCF4-TWIST1 cooperation during EMT. Bioinformatic and clinical studies have shown that PGC1α and ID1 are downregulated in lung cancer, and correlate with a poor survival rate. Our study indicates that TCF4-TWIST1-mediated EMT, which is regulated by the PGC1α-ID1 transcriptional axis, is a potential diagnostic and therapeutic target for metastatic lung cancer.

Original languageEnglish
Article number1772
JournalCancers
Volume13
Issue number8
DOIs
StatePublished - 2 Apr 2021

Bibliographical note

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • EMT
  • ID1
  • Lung cancer
  • Metastasis
  • PGC1α
  • TCF4
  • TWIST1

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