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Therapeutic role of recurrent ESR1-CCDC170 gene fusions in breast cancer endocrine resistance.

Li Li | Ling Lin | Jamunarani Veeraraghavan | Yiheng Hu | Xian Wang | Sanghoon Lee | Ying Tan | Rachel Schiff | Xiao-Song Wang
Breast cancer research : BCR | 2020

Endocrine therapy is the most common treatment for estrogen receptor (ER)-positive breast cancer, but its effectiveness is limited by high rates of primary and acquired resistance. There are likely many genetic causes, and recent studies suggest the important role of ESR1 mutations and fusions in endocrine resistance. Previously, we reported a recurrent ESR1 fusion called ESR1-CCDC170 in 6-8% of the luminal B breast cancers that has a worse clinical outcome after endocrine therapy. Despite being the most frequent ESR1 fusion, its functional role in endocrine resistance has not been studied in vivo, and the engaged mechanism and therapeutic relevance remain uncharacterized.

Pubmed ID: 32771039

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None found

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Associated grants

  • Agency: NCI NIH HHS, United States
    Id: R01 CA181368
  • Agency: NCI NIH HHS, United States
    Id: R01 CA183976
  • Agency: NCI NIH HHS, United States
    Id: P30 CA125123
  • Agency: NCI NIH HHS, United States
    Id: P30 CA008748
  • Agency: NIH HHS, United States
    Id: 1R01 CA183976
  • Agency: NCI NIH HHS, United States
    Id: P50 CA097190
  • Agency: NCI NIH HHS, United States
    Id: R21 CA237964
  • Agency: NIH HHS, United States
    Id: 1R01 CA181368

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