In vivo models in breast cancer research: progress, challenges and future directions

Ingunn Holen, Valerie Speirs, Bethny Morrissey, Karen Blyth

Research output: Contribution to journalReview article

32 Citations (Scopus)
7 Downloads (Pure)

Abstract

Research using animal model systems has been instrumental in delivering improved therapies for breast cancer, as well as in generating new insights into the mechanisms that underpin development of the disease. A large number of different models are now available, reflecting different types and stages of the disease; choosing which one to use depends on the specific research question(s) to be investigated. Based on presentations and discussions from leading experts who attended a recent workshop focused on in vivo models of breast cancer, this article provides a perspective on the many varied uses of these models in breast cancer research, their strengths, associated challenges and future directions. Among the questions discussed were: how well do models represent the different stages of human disease; how can we model the involvement of the human immune system and microenvironment in breast cancer; what are the appropriate models of metastatic disease; can we use models to carry out preclinical drug trials and identify pathways responsible for drug resistance; and what are the limitations of patient-derived xenograft models? We briefly outline the areas where the existing breast cancer models require improvement in light of the increased understanding of the disease process, reflecting the drive towards more personalised therapies and identification of mechanisms of drug resistance.

Original languageEnglish
Pages (from-to)359-371
Number of pages13
JournalDisease Models & Mechanisms
Volume10
Issue number4
DOIs
Publication statusPublished - 1 Apr 2017

Keywords

  • Animals
  • Biomedical Research
  • Breast Neoplasms
  • Disease Models, Animal
  • Drug Resistance, Neoplasm
  • Female
  • Genetic Engineering
  • Humans
  • Molecular Targeted Therapy
  • Journal Article
  • Review
  • Research Support, Non-U.S. Gov't

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