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Related Concept Videos

The Mammary Glands01:12

The Mammary Glands

The female breast is a hemispheric projection of variable size positioned anterior to the pectoralis major and serratus anterior muscles. A fascia layer composed of dense, irregular connective tissue connects it to these muscles.
Each breast features a pigmented projection known as the nipple, through which milk emerges via closely spaced openings of ducts, referred to as lactiferous ducts. Surrounding the nipple is a circular pigmented area of skin named the areola, which appears rough due to...

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A Hormone-responsive 3D Culture Model of the Human Mammary Gland Epithelium
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Modeling Mammary Organogenesis from Biological First Principles: A Systems Biology Approach.

Cheryl M Schaeberle1, Victoria A Bouffard1, Carlos Sonnenschein1

  • 1Tufts University School of Medicine, Boston, MA, USA.

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Researchers developed new 3D models to study mammary gland development and breast cancer. These models mimic in vivo structures and respond to hormonal cues, aiding research.

Keywords:
Breast developmentCalcitriolCarcinogenesisCollagenMorphogenesisVitamin D

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Area of Science:

  • Cell biology
  • Developmental biology
  • Cancer research

Background:

  • Stromal-epithelial interactions are crucial for mammary gland development and breast cancer.
  • In vitro models are needed to study these complex interactions.
  • Existing models may lack the fidelity to accurately represent in vivo conditions.

Purpose of the Study:

  • To develop novel 3D in vitro models of mammary gland structures.
  • To create models that mimic in vivo mammary gland development.
  • To establish models responsive to hormonal regulation for studying morphogenesis.

Main Methods:

  • Development of novel 3D in vitro culture systems.
  • Utilizing mammary epithelial and stromal cells.
  • Incorporating hormonal stimuli to mimic physiological conditions.

Main Results:

  • Successfully established 3D mammary gland structures in vitro.
  • Models closely resemble in vivo mammary gland architecture.
  • Demonstrated responsiveness of the models to hormonal cues regulating morphogenesis.

Conclusions:

  • The novel 3D in vitro models accurately recapitulate mammary gland development.
  • These models provide a simplified, real-time visualization platform for studying stromal-epithelial interactions.
  • The models are suitable for conceptual and mathematical modeling of mammary gland biology and breast cancer.