Stem Cell Zone Model
Stem Cell Zone Model - Related Videos
09:24
Isolation and Culture of Adult Neural Stem Cells from the Mouse Subcallosal Zone
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Cited by 9 •
2016
Establishing culture systems for the expansion of adult neural stem cells (aNSCs) allows for the examination and application of aNSCs for therapy. The subcallosal zone (SCZ) has recently been recognized as a novel neuroblast-forming region in adult mice. Here, methods for the isolation, expansion, and differentiation of SCZ-aNSCs are described.
05:31
Isolation and Culturing of Adult Neural Stem Cells from the Mouse Subcallosal Zone
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2025
The video demonstrates the process of isolating and culturing neural stem cells from the mouse brain's subcallosal zone. It involves dissecting tissue, enzymatic dissociation, and culturing them with differentiation factors to develop into mature neural cells.
22:06
Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells
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Cited by 8 •
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.
09:27
Cell Sorting of Neural Stem and Progenitor Cells from the Adult Mouse Subventricular Zone and Live-imaging of their Cell Cycle Dynamics
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Cited by 30 •
2015
We report a Fluorescent Activated Cell Sorting (FACS)-based method to isolate neural stem cells (NSCs) and their progeny from the subventricular zone (SVZ) of the adult mouse brain. Applied to Fluorescence Ubiquitination Cell Cycle Indicator (FUCCI) transgenic mice, it allows the study of cell cycle progression by live imaging.
09:52
One Mouse, Two Cultures: Isolation and Culture of Adult Neural Stem Cells from the Two Neurogenic Zones of Individual Mice
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Cited by 154 •
2014
Here we describe a detailed protocol for the simultaneous generation of neural precursor cell cultures, as either adherent monolayers or neurospheres, from the subventricular zone and dentate gyrus of individual adult mice.
FAQs
A tissue can contain spatially distinct regions that expose stem cells to different combinations of signaling molecules, neighboring cells, and extracellular matrix conditions. These local differences influence whether cells retain self-renewal or move toward differentiation. Consequently, cells with similar stem-cell properties may behave differently when positioned in separate zones of the same tissue.
They form part of the local environment that regulates stem-cell behavior. Neighboring cells can contribute interactions, while the extracellular matrix provides surrounding conditions that vary between zones. Along with signaling molecules, these influences help establish whether a local region supports continued stem-cell maintenance or favors differentiation, linking cellular behavior to tissue organization.
Changing a zone can disturb the local combination of signals, cellular interactions, or matrix conditions that normally regulates stem-cell fate. The balance between self-renewal and differentiation may then shift, affecting tissue maintenance or regeneration. This mechanism provides a framework for relating altered microenvironments to disease and abnormal developmental processes.
The model connects niche organization with homeostasis by showing how local environments help regulate the replacement and differentiation of cells within a tissue. Spatial control of stem-cell behavior supports tissue maintenance over time. It therefore places stem-cell activity within the broader organization of the tissue rather than treating self-renewal as an isolated cellular property.
Researchers use the model to interpret how the position of stem cells and the surrounding zone affect regenerative responses. They can relate spatial organization to the preservation of stem-cell populations, the production of differentiated cells, and restoration of tissue structure. This approach helps explain why regeneration depends on both stem cells and their microenvironment.
After injury, the model provides a way to consider how a changed tissue environment influences stem-cell behavior. Researchers can examine whether local conditions support continued maintenance, encourage differentiation, or disturb normal tissue organization. These interpretations help connect injury-related changes in the microenvironment with differences in regenerative outcomes.
It offers a spatial explanation for how altered microenvironments may contribute to disease or changed developmental processes. If signaling, neighboring-cell interactions, or extracellular matrix conditions differ from their usual organization, stem-cell fate decisions may also change. The model therefore helps relate tissue-level disruption to abnormal maintenance, differentiation, or developmental behavior.