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Published on: July 29, 2018
Isolation of multilineage progenitors from mouse brain
Chiann-Chyi Chen1, Hsing-I Huang, Cassandra L Louis
1Department of Molecular Genetics, Microbiology and Immunology, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, New Brunswick, NJ, USA.
Summary
Brain-derived fibroblast-like cells exhibit remarkable multipotency, differentiating into various cell types across germ layers. These findings challenge traditional views on tissue-specific stem cell potential.
Area of Science:
- Stem cell biology
- Developmental biology
- Neuroscience
Background:
- Stem cells possess self-renewal and differentiation capabilities.
- Tissue-specific stem cells were traditionally considered to have limited differentiation potential.
- Mesenchymal stem cells (MSCs) are known for multipotency.
Purpose of the Study:
- To investigate the differentiation potential of fibroblast-like cells isolated from the mouse brain.
- To determine if these brain-derived cells possess cross-germ layer differentiation abilities.
Main Methods:
- Isolation and culture of fibroblast-like cells from mouse brain.
- Characterization of cell surface markers (CD44, CD29, CD105).
- Induction of differentiation under defined conditions towards various cell lineages.
Main Results:
- Brain-derived cells expressed typical mesenchymal stem cell markers.
- Cells demonstrated stable passaging (>50 times).
- Induced differentiation into adipocytes, osteocytes, astrocytes, neurons, and hepatocyte-like cells.
Conclusions:
- Fibroblast-like cells from the mouse brain possess three-germ-layer differentiation potential.
- These cells challenge the notion of limited differentiation capacity in tissue-specific stem cells.
- Discovery of brain cells with broad differentiation potential opens new avenues in regenerative medicine.
