Mammary Stem Cells
Mammary Stem Cells - Related Videos
12:41
A Novel Mammary Fat Pad Transplantation Technique to Visualize the Vessel Generation of Vascular Endothelial Stem Cells
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Cited by 1 •
2017
This work demonstrates a novel approach to assess the proliferation, differentiation, and vessel-forming potential of vascular endothelial stem cells (VESCs) through mammary fat pad transplantation followed by whole-mount tissue preparation for microscopic observation. A lineage tracing strategy to investigate the behavior of VESCs in vivo is also presented.
09:59
Transfer of Mammary Gland-forming Ability Between Mammary Basal Epithelial Cells and Mammary Luminal Cells via Extracellular Vesicles/Exosomes
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Cited by 8 •
2017
This protocol describes methods for purifying, quantitating, and characterizing extracellular vesicles (EVs)/exosomes from non-adherent/mesenchymal mammary epithelial cells and for using them to transfer mammary gland-forming ability to luminal mammary epithelial cells. EVs/exosomes derived from stem-like mammary epithelial cells can transfer this cell property to cells that ingest the EVs/exosomes.
22:06
Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells
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Cited by 7 •
2007
This protocol details the derivation of transplantable hematopoietic stem cells from mouse embryonic stem cells (ESC) and their subsequent injection into lethally irradiated recipient mice. Briefly, ESC are differentiated as embryoid bodies, which are then infected with retroviral HoxB4 and co-cultured with OP9 stromal cells and hematopoietic cytokines.
11:47
Time-lapse Imaging of Primary Preneoplastic Mammary Epithelial Cells Derived from Genetically Engineered Mouse Models of Breast Cancer
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Cited by 4 •
2013
Time-lapse imaging is used to assess behavior of primary preneoplastic mammary epithelial cells derived from genetically engineered mouse models of breast cancer risk to determine if there are correlations between specific behavioral parameters and distinct genetic lesions.
13:01
Mammary Transplantation of Stromal Cells and Carcinoma Cells in C57BL/6J Mice
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Cited by 14 •
2011
In this report, we demonstrate a system to isolate and culture donor cells from the mouse mammary gland, and orthotopically transplant these cells in recipient mice to analyze stromal: epithelial interactions during mammary tumor development.
FAQs
Local signals within the mammary tissue and hormones circulating through the body provide complementary regulatory inputs. Together, they influence whether mammary stem cells proliferate, maintain their stem-cell state, or differentiate into epithelial cell types. This coordination allows gland growth and remodeling to match developmental conditions such as puberty, pregnancy, and tissue repair rather than proceeding independently of the organism.
Their developmental importance lies in producing the two major epithelial lineages of the gland: luminal and myoepithelial cells. The balance between self-renewal and differentiation helps maintain organized tissue architecture while supplying cells needed for gland function and repair. Examining these lineage outcomes reveals how cellular decisions contribute to the structural organization of mammary epithelium.
These morphogenetic events provide visible developmental outcomes of regulated stem-cell activity. Ductal elongation and branching support formation of the gland, while remodeling enables the tissue to change during later developmental and repair processes. Linking stem-cell behavior to these structural changes helps developmental biologists understand how cell-level decisions produce an adaptable mammary gland.
When the controls governing proliferation, self-renewal, and differentiation become disrupted, mammary stem-cell activity may no longer remain coordinated with normal tissue needs. Studying this relationship connects developmental biology with breast cancer research, because abnormal growth control can affect lineage organization and tissue remodeling. The comparison also helps distinguish regulated development from disease-associated changes in the gland.
Puberty, pregnancy, and tissue repair are especially informative because the mammary gland undergoes substantial growth or remodeling during each condition. Comparing stem-cell activity across these stages can reveal how local signals, systemic hormones, proliferation, self-renewal, and differentiation are adjusted to changing developmental demands. This stage-based perspective connects cellular behavior with whole-tissue morphogenesis.
Research on these cells helps explain normal mammary gland development, epithelial lineage organization, and tissue homeostasis. The same framework supports investigation of how abnormal growth control may contribute to breast cancer. It also informs tissue regeneration studies and breast disease models, where understanding developmental regulation provides context for interpreting altered growth or repair.