Tackling triple negative breast cancer with HDAC inhibitors: 6 is the isoform!

Anna Guadagni1, Simona Barone1, Antonella Ilenia Alfano1

  • 1Department of Pharmacy (DoE 2023-2027), University of Naples Federico II, via D. Montesano 49, 80131, Naples, Italy.

PubMed

Insights

Triple negative breast cancer (TNBC) is aggressive with limited treatments. Targeting histone deacetylase 6 (HDAC6) shows promise as a novel therapeutic strategy for TNBC, offering new hope for patients.

Area of Science:

  • Oncology
  • Epigenetics
  • Molecular Biology

Background:

  • Triple negative breast cancer (TNBC) is an aggressive subtype lacking standard therapeutic targets.
  • TNBC is associated with poor survival rates due to its invasiveness and limited treatment options.
  • Epigenetic modifications play a crucial role in cancer progression, including TNBC.

Purpose of the Study:

  • To review the role of histone deacetylase 6 (HDAC6) in TNBC.
  • To highlight novel HDAC6 inhibitors with potential efficacy in TNBC models.
  • To explore targeting HDAC6 as an innovative therapeutic strategy for TNBC.

Main Methods:

  • Literature review of recent studies on HDAC6 and TNBC.
  • Analysis of evidence linking HDAC6 to TNBC-related cancer pathways.
  • Examination of preclinical data for novel HDAC6 inhibitors in TNBC models.

Main Results:

  • HDAC6 is implicated in key cancer pathways driving TNBC proliferation, epithelial-to-mesenchymal transition, and metastasis.
  • Emerging HDAC6 inhibitors have demonstrated significant efficacy in preclinical TNBC models.
  • Targeting HDAC6 represents a promising avenue for novel TNBC therapies.

Conclusions:

  • HDAC6 is a critical epigenetic regulator in triple negative breast cancer.
  • Novel HDAC6 inhibitors offer a potential new therapeutic approach for TNBC.
  • Targeting HDAC6 could improve treatment outcomes for patients with this aggressive cancer subtype.