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Intra-Arterial Delivery of Neural Stem Cells to the Rat and Mouse Brain: Application to Cerebral Ischemia
Published on: June 26, 2020
Leptomeningeal-derived doublecortin-expressing cells in poststroke brain
Stem Cells and Development
|February 21, 2012
Summary
Neural stem/progenitor cells (NSPCs) in the brain's leptomeninges become active after stroke. These cells express immature neuronal markers and migrate into damaged cortical areas, suggesting a role in central nervous system repair.
Area of Science:
- Neuroscience
- Stem Cell Biology
- Regenerative Medicine
Background:
- Neural stem/progenitor cells (NSPCs) are found in various central nervous system (CNS) regions, including the subventricular zone and hippocampus.
- Previous research demonstrated NSPC activity in the leptomeninges (pia mater) following cortical infarction in mice.
- These pial-ischemia-induced NSPCs exhibited self-renewal and differentiation potential but differed from previously characterized NSPCs.
Discussion:
- This study investigated leptomeningeal cell behavior in the poststroke brain.
- Leptomeningeal cells were found to express nestin and doublecortin, markers associated with neural progenitor cells and immature neurons.
- These cells demonstrated migratory capacity into the infarcted cortex.
Key Insights:
- Leptomeningeal cells in the poststroke brain express immature neuronal markers (doublecortin) and NSPC markers (nestin).
- These cells are capable of migrating into the damaged cortical tissue.
- The findings suggest that leptomeningeal cells may contribute to CNS repair after ischemic injury.
Outlook:
- Further research is needed to elucidate the precise mechanisms of leptomeningeal cell activation and their contribution to neurorestoration.
- Investigating the therapeutic potential of targeting leptomeningeal cells for stroke recovery.
- Understanding the unique characteristics of leptomeningeal NSPCs compared to other CNS NSPC populations.
