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Studying Triple Negative Breast Cancer Using Orthotopic Breast Cancer Model
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Triple negative breast cancer: new therapeutic approaches and BRCA status

Gamze Guney Eskiler1, Gulsah Cecener2, Unal Egeli2

  • 1Deparment of Medical Biology, Faculty of Medicine, Sakarya University, Sakarya, Turkey.

APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica
|April 27, 2018
PubMed

Insights

Triple negative breast cancer (TNBC) treatment is challenging, but understanding BRCA mutations and TNBC subtypes guides new therapies like PARP inhibitors. This review highlights their potential for TNBC patients.

Area of Science:

  • Oncology
  • Genetics
  • Pharmacology

Background:

  • Triple-negative breast cancer (TNBC) presents significant treatment challenges due to resistance to standard therapies.
  • Understanding TNBC's unique clinical and pathological features, especially its association with BRCA mutations, is crucial for developing effective treatments.

Purpose of the Study:

  • To review the definition, characteristics, and subtypes of TNBC.
  • To summarize current clinical trials of novel targeted therapies, focusing on Poly (ADP-ribose) polymerase inhibitors (PARPi).
  • To examine the prevalence and types of BRCA1/2 mutations in breast cancer and their association with TNBC.

Main Methods:

  • Review of existing literature on TNBC characteristics and treatment strategies.
  • Analysis of clinical trial data for novel targeted therapies, particularly PARP inhibitors.
  • Examination of studies investigating BRCA1/2 mutation prevalence and types in breast cancer patients.

Main Results:

  • TNBC subtypes have predictive value for developing new therapeutic agents.
  • PARP inhibitors show promise as potent targeted therapies for TNBC.
  • BRCA1/2 mutations are significantly associated with TNBC, with prevalence potentially influenced by ethnic origin.

Conclusions:

  • Subtyping TNBC is vital for personalized therapeutic development.
  • Targeted therapies, especially PARP inhibitors, offer new hope for TNBC treatment.
  • BRCA-related pathway mutations and ethnic background may influence TNBC risk and treatment response.
Keywords:
BRCA1/2PARP inhibitorsTriple negative breast cancersynthetic lethalitytherapeutic agents

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