Related Experiment Video
Updated: May 7, 2026
04:51
Mouse Mammary Epithelial Cells form Mammospheres During Lactogenic Differentiation
Published on: October 6, 2009
14.0K
Shaping Cell Identity: Global Transcriptome and Pathway Shifts during Mouse Mammary Epithelial Cell Differentiation
Waqar Ahmad1, Neena Gopinathan Panicker1, Tahir A Rizvi2,3
1Department of Biochemistry and Molecular Biology, College of Medicine & Health Sciences (CMHS), United Arab Emirates (UAE) University, Al Ain, UAE.
Summary
This study reveals key gene expression changes during mouse mammary cell differentiation. It identifies crucial genes and pathways involved in the transition to a milk-producing state.
Area of Science:
- Cell Biology
- Molecular Biology
- Genomics
Background:
- Mammary gland regeneration involves complex differentiation processes.
- Understanding lactogenic differentiation is crucial for mammary gland biology.
Purpose of the Study:
- To comprehensively profile the transcriptome of HC11 mouse mammary epithelial cells during lactogenic differentiation.
- To identify key genes, pathways, and transcription factors regulating this process.
Main Methods:
- RNA sequencing and integrative bioinformatics analysis.
- Gene set enrichment analysis (GSEA).
- Protein-protein interaction (PPI) network analysis.
Main Results:
- Identified 566 differentially expressed genes, including key differentiation markers (Wap, Csn2, Gata3).
- Revealed enrichment of mTOR, prolactin, and autophagy pathways, with down-regulation of p53 and Wnt pathways.
- Identified 10 hub genes (Agt, Ccnd1, Igf1, Mki67, Myc, Calm4, Rasgrp1, Cd69, Il6, Pecam1) as central drivers of differentiation.
Conclusions:
- Defined a comprehensive transcriptional framework for HC11 cell lactogenic differentiation.
- Highlighted the dynamic regulation of transcription factors and epigenetic modifiers.
- Provided insights into milk synthesis, protease activity, and lineage stabilization during differentiation.
