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Lineage Commitment

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The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...

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Related Experiment Video

Updated: Feb 24, 2026

Lineage Tracing of Inducible Fluorescently-Labeled Stem Cells in the Adult Mouse Brain

Lineage Tracing of Inducible Fluorescently-Labeled Stem Cells in the Adult Mouse Brain

Published on: May 20, 2022

The Future Vocation of Neural Stem Cells: Lineage Commitment in Brain Development and Evolution.

Tadashi Nomura¹, Hitoshi Gotoh², Katsuhiko Ono²

¹Developmental Neurobiology, Kyoto Prefectural University of Medicine, INAMORI Memorial Building, 1-5 Shimogamo-hangi cho, Sakyoku, Kyoto, 606-0823, Japan. tadnom@koto.kpu-m.ac.jp.

Neurochemical Research

|August 25, 2017

Summary

Neural stem cell heterogeneity in developing brains remains debated. This review examines lineage-tracing studies in the mouse neocortex, discussing stem cell diversity from evolutionary and comparative perspectives.

Keywords:

Evolution Lineage commitment Neocortex Neural stem cells

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Area of Science:

Neuroscience
Developmental Biology
Stem Cell Biology

Background:

Neural stem cell fate commitment is crucial for understanding brain development.
Genetic lineage-tracing is a key method for studying stem cell heterogeneity.
Controversial data exists regarding neural stem cell heterogeneity in the developing mouse neocortex.

Purpose of the Study:

To review lineage-tracing studies of the developing neocortex.
To discuss neural stem cell heterogeneity.
To provide an evolutionary and comparative biology perspective on stem cell diversity.

Main Methods:

Literature review of lineage-tracing analyses.
Comparative analysis of developmental data.
Evolutionary biology perspective.

Main Results:

Lineage-tracing studies reveal insights into neural stem cell behavior.
Existing data presents conflicting conclusions on neocortical stem cell heterogeneity.
Comparative and evolutionary viewpoints offer a framework for interpretation.

Conclusions:

Further research is needed to resolve debates on neural stem cell heterogeneity.
An evolutionary perspective may help reconcile conflicting findings.
Understanding stem cell diversity is vital for regenerative medicine and neuroscience.