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Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
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Modeling Breast Tumor Development with a Humanized Mouse Model.

Lisa M Arendt1

  • 1Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, 2015 Linden Drive, Madison, WI, 53706, USA. lmarendt@wisc.edu.

Methods in Molecular Biology (Clifton, N.J.)
|September 2, 2016
PubMed
Summary
This summary is machine-generated.

This study presents a new method to investigate breast cancer growth by examining interactions between human mammary epithelial and stromal cells. This approach helps understand tumor progression and therapeutic resistance.

Keywords:
Breast cancerHuman mammary epithelial cellsHuman-in-Mouse modelMammary glandStromaStromal–epithelial interactions

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Area of Science:

  • Oncology
  • Cell Biology
  • Cancer Research

Background:

  • The tumor microenvironment significantly influences breast cancer progression and metastasis.
  • Understanding stromal-epithelial interactions is crucial for deciphering tumor development.

Purpose of the Study:

  • To describe a novel method for examining stromal-epithelial interactions in breast cancer.
  • To provide a tool for dissecting signaling pathways involved in invasive tumor behavior and therapeutic resistance.

Main Methods:

  • Isolation of human mammary epithelial and breast stromal cells from reduction mammoplasty tissue.
  • Culture and genetic modification of cells using lentiviral technology.
  • Humanization and implantation of transformed epithelial cells into immunocompromised mouse mammary fat pads.

Main Results:

  • A reproducible method for studying human breast cancer in vivo was established.
  • The model allows for the investigation of cell-cell signaling in tumor formation and progression.

Conclusions:

  • This developed model system is a valuable tool for studying breast cancer.
  • It facilitates the dissection of signaling interactions contributing to invasive phenotypes and drug resistance.