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Updated: Aug 2, 2026
04:51
Mouse Mammary Epithelial Cells form Mammospheres During Lactogenic Differentiation
Published on: October 6, 2009
Signaling pathways in mammary gland development
1Laboratory of Genetics and Physiology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-0822, USA. henninghausen@nih.gov
Developmental Cell
|November 13, 2001
Summary
Mammary gland development and function rely on hormone-controlled signaling pathways. These pathways, shared with other cells, are adapted for the unique needs of this secretory tissue during pregnancy cycles.
Area of Science:
- Reproductive Biology
- Cellular Signaling
- Developmental Biology
Background:
- Mammary gland development primarily occurs postnatally, regulated by steroid and peptide hormones.
- The gland undergoes cyclical epithelial proliferation, differentiation, and apoptosis with each pregnancy.
Purpose of the Study:
- To discuss signaling pathways adopted by the mammary gland.
- To explain the functions these pathways perform in mammary gland biology.
Main Methods:
- Review of existing literature on mammary gland development and signaling.
- Analysis of conserved signaling pathways in the context of mammary gland function.
Main Results:
- Mammary gland utilizes common signaling pathways, not unique ones.
- These pathways are specifically adapted for the gland's secretory functions.
Conclusions:
- The mammary gland's unique developmental and functional cycles are orchestrated by adapted, shared signaling pathways.
- Understanding these pathways is crucial for comprehending mammary gland biology and potential therapeutic interventions.
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