Related Experiment Video
Updated: Jul 4, 2026
12:38
Cortical Neurogenesis: Transitioning from Advances in the Laboratory to Cell-Based Therapies
Published on: July 19, 2007
Brain repair how stem cells are changing neurology
1Centre for the Cellular Basis of Behaviour, Kings College London, Institute of Psychiatry, London, UK. mike.modo@iop.kcl.ac.uk
Bulletin De La Societe Des Sciences Medicales Du Grand-Duche De Luxembourg
|June 20, 2008
Summary
Stem cells offer new hope for repairing the central nervous system (CNS). Research shows neural stem cells (NSCs) can regenerate brain tissue and restore function, advancing treatments for neurodegenerative diseases.
Area of Science:
- Neuroscience
- Regenerative Medicine
- Stem Cell Biology
Background:
- The central nervous system (CNS) was historically considered incapable of regeneration.
- Emerging research highlights the potential of stem cells for CNS repair.
- Neural stem cells (NSCs) are key progenitor cells for the CNS.
Purpose of the Study:
- To review the preclinical and clinical applications of various stem cell sources for CNS repair.
- To discuss the potential of neural stem cells (NSCs) in treating brain damage and neurodegenerative conditions.
- To identify challenges and considerations for translating stem cell therapies from laboratory research to clinical practice.
Main Methods:
- Review of preclinical studies demonstrating stem cell transplantation for brain damage.
- Analysis of clinical trial data for stem cell therapies in neurodegenerative diseases, including Parkinson's disease.
- Discussion of stem cell differentiation and transplantation strategies.
Main Results:
- Preclinical models show diverse stem cell sources can treat brain damage.
- Transplanted NSCs differentiate into appropriate phenotypes and restore function.
- Early clinical studies in Parkinson's disease confirm the principle of stem cell therapy efficacy.
Conclusions:
- Stem cell therapy, particularly using neural stem cells (NSCs), shows significant promise for treating CNS damage.
- Successful translation requires addressing challenges in stem cell sourcing, differentiation, and clinical application.
- Further research is crucial to optimize stem cell therapies for neurodegenerative diseases and brain injury.
Related Concept Videos
01:15Neurogenesis and Regeneration of Nervous Tissue
In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
01:01Neuroplasticity
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
01:22iPS Cell Differentiation
The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
01:17Stem Cell Culture
Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
01:23Tissue Renewal without Stem Cells
After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...
However, failure of such a system...
01:21Stem Cell Therapy for Tissue Regeneration
Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...