Insights into breast cancer phenotying through molecular omics approaches and therapy response

Jose E Belizario1, Angela F Loggulo2

  • 1Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, Avenida Lineu Prestes, 1524, São Paulo, CEP 05508-900, Brazil.

Insights

This review explores how integrative omics and computational analyses reveal breast cancer subtypes and treatment responses. Understanding intratumoral heterogeneity is key to developing more effective, less toxic breast cancer therapies.

Area of Science:

  • Oncology
  • Genomics
  • Bioinformatics

Background:

  • Breast cancer is the most common malignancy globally, with ~30% of early-stage cases progressing to metastasis despite diagnostic advancements.
  • Distinct molecular subtypes of breast cancer exhibit variable responses to therapies, and tumor heterogeneity often drives treatment resistance.
  • Current therapeutic strategies require refinement to improve efficacy and minimize toxicity, particularly for heterogeneous tumors.

Purpose of the Study:

  • To review integrative omics approaches and computational analyses for understanding breast cancer heterogeneity.
  • To highlight how these methods provide insights into molecular differences across breast cancer subtypes.
  • To demonstrate the clinical relevance of these approaches in predicting patient response to therapies.

Main Methods:

  • Integrative omics approaches including genome, epigenome, transcriptome, and immune profiling.
  • Application of mathematical and computational analyses to interpret complex biological data.
  • Examination of intratumoral heterogeneity in the context of clinical and molecular characteristics.

Main Results:

  • Integrative omics combined with computational analysis can elucidate mechanistic insights into breast cancer subtypes.
  • These approaches offer a deeper understanding of the molecular drivers of treatment response and resistance.
  • Identification of key differences in breast cancer subtypes and their implications for therapy selection.

Conclusions:

  • Integrative omics and computational methods are crucial for dissecting breast cancer heterogeneity.
  • These advanced analyses provide clinically relevant insights for personalized treatment strategies.
  • Further investigation into these technologies promises to enhance breast cancer treatment efficacy and reduce toxicity.

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