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Updated: Jul 11, 2026
10:51
Mammosphere Formation Assay from Human Breast Cancer Tissues and Cell Lines
Published on: March 22, 2015
Mammary stem and progenitor cell regulation.
Robert I Glazer1, Xiaoyang Wang, Hongyan Yuan
1Department of Oncology, Georgetown University Medical Center, and Lombardi Comprehensive Cancer Center, Washington, DC 20007, USA. glazerr@georgetown.edu
Cancer Biomarkers : Section a of Disease Markers
|October 6, 2007
Summary
Recent research clarifies mammary stem and progenitor cell regulation and hierarchy. This review explores distinguishing features, signaling pathways, and therapeutic potential of targeting Notch and Wnt pathways for self-renewal control.
Area of Science:
- Developmental Biology
- Stem Cell Biology
- Cellular Signaling
Background:
- Mammary stem cells were identified nearly 20 years ago.
- Recent advancements have deepened our understanding of mammary stem and progenitor cell characterization in mice and humans.
- The developmental hierarchy of these cells is crucial for mammary gland development and function.
Purpose of the Study:
- To review the distinguishing characteristics of mammary stem, progenitor, and differentiated cells.
- To discuss the signal transduction pathways involved in multilineage expansion.
- To explore the therapeutic potential of modulating stem cell self-renewal via Notch and Wnt pathway inhibition.
Main Methods:
- Literature review and synthesis of current research on mammary stem and progenitor cells.
- Analysis of molecular and cellular parameters defining stem and progenitor cell populations.
- Examination of signaling pathways, including Notch and Wnt, in the context of mammary development.
Main Results:
- Identification of key parameters differentiating stem, progenitor, and differentiated mammary cells.
- Elucidation of signal transduction pathways driving multilineage expansion.
- Demonstration of the role of Notch and Wnt pathways in regulating mammary stem cell self-renewal.
Conclusions:
- Mammary stem and progenitor cell regulation is complex and involves distinct molecular signatures.
- Signal transduction pathways critically control cell fate decisions and expansion.
- Targeting Notch and Wnt pathways offers a promising strategy for therapeutic interventions in mammary gland disorders.
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