G-Protein Coupled Estrogen Receptor in Breast Cancer

Li Han Hsu, Nei Min Chu, Yung Feng Lin, Shu Huei Kao

Research output: Contribution to journalReview articlepeer-review

52 Citations (Scopus)


The G-protein coupled estrogen receptor (GPER), an alternate estrogen receptor (ER) with a structure distinct from the two canonical ERs, being ERα, and ERβ, is expressed in 50% to 60% of breast cancer tissues and has been presumed to be associated with the development of tamoxifen resistance in ERα positive breast cancer. On the other hand, triple-negative breast cancer (TNBC) constitutes 15% to 20% of breast cancers and frequently displays a more aggressive behavior. GPER is prevalent and involved in TNBC and can be a therapeutic target. However, contradictory results exist regarding the function of GPER in breast cancer, proliferative or pro-apoptotic. A better understanding of the GPER, its role in breast cancer, and the interactions with the ER and epidermal growth factor receptor will be beneficial for the disease management and prevention in the future.

Original languageEnglish
JournalInternational Journal of Molecular Sciences
Issue number2
Publication statusPublished - Jan 14 2019


  • breast cancer
  • epidermal growth factor receptor
  • estrogen
  • estrogen receptor
  • G-protein coupled estrogen receptor

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry


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