Stem cell grafting in parkinsonism--why, how and when
Johannes P J M de Munter1, Eldad Melamed, Erik Ch Wolters
1University Maastricht, Department of Mental Health and Neuroscience (MHeNS), Maastricht, The Netherlands; Amarna Stem Cells, Maastricht, The Netherlands.
Parkinsonism & Related Disorders
|November 23, 2013
Summary
Pluripotent stem cells show promise for Parkinson's disease (PD) treatment by differentiating into dopamine-producing cells and modulating immune responses. Further research is needed to optimize clinical trials and delivery methods for effective disease modification.
Area of Science:
- Neuroscience
- Regenerative Medicine
- Immunology
Background:
- Parkinson's disease (PD) is a progressive neurodegenerative disorder with no current disease-modifying treatments.
- Pluripotent stem cells (PSCs) offer potential therapeutic benefits for PD.
- Preclinical and some clinical data suggest PSC grafting is effective in animal models and patients with motor parkinsonism.
Purpose of the Study:
- To explore the potential of pluripotent stem cells in treating Parkinson's disease.
- To investigate PSC utilization in immunomodulation, transdifferentiation into dopamine-producing cells, and trophic factor secretion.
- To review clinical trial design, safe stem cell usage, induction methods, and delivery techniques for PD treatment.
Main Methods:
- Review of preclinical and clinical data on pluripotent stem cell grafting for Parkinson's disease.
- Exploration of PSC mechanisms including immunomodulation (B-cells, T-cells, NK-cells), transdifferentiation into dopamine-producing cells (DA-cells), and secretion of neurotrophic factors (e.g., BDNF, GDNF).
- Discussion of clinical trial considerations: stem cell safety, pre-application induction, delivery methods (intravasal, intrathecal, intracerebral), and objective result recording.
Main Results:
- Pluripotent stem cells can differentiate into neural cells, including dopamine-producing cells.
- PSCs can modulate immune responses by regulating B-cells, T-cells, and NK-cells.
- PSCs secrete various trophic factors (BDNF, GDNF, NGF, TGF-β, IGF-1, NT-3, SCF-1) that influence neural plasticity.
Conclusions:
- Pluripotent stem cells hold significant therapeutic potential for Parkinson's disease.
- PSC-based therapies may offer disease-modifying strategies through cell replacement, immunomodulation, and neurotrophic support.
- Further research and carefully designed clinical trials are essential to translate PSC potential into effective PD treatments.
More Related Videos
09:44Chemogenetic Regulation in Reprogrammed Stem Cell-derived Precursor Cells in Treating Neurodegenerative Diseases
Published on: May 2, 2025
779
06:12Intracerebral Transplantation and In Vivo Bioluminescence Tracking of Human Neural Progenitor Cells in the Mouse Brain
Published on: January 27, 2022
4.8K
Related Concept Videos
01:21EPS and iPS Cells in Disease Research
3.2K
Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...
3.2K
01:24Parkinson Disease ll: Pathophysiology
34
Parkinson disease (PD) is a progressive neurodegenerative disorder primarily affecting movement, with additional non-motor features. Its pathophysiology involves complex interactions among genetic susceptibility, environmental exposures, and cellular dysfunction, including dopaminergic neuron loss, protein aggregation, and mitochondrial impairment.Selective NeurodegenerationA key feature is the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to reduced...
34
01:24Parkinson's Disease: Treatment
1.4K
Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
1.4K
01:13Induced Pluripotent Stem Cells
23.0K
Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore...
23.0K
01:06Induced Pluripotent Stem Cells
4.8K
Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic...
Somatic...
4.8K
01:24Parkinson Disease l: Introduction
28
Parkinson’s disease is a chronic, progressive neurodegenerative disorder that primarily affects movement. It is characterized by motor symptoms such as resting tremors, muscle rigidity, bradykinesia (slowness of movement), and postural instability. Patients may notice hand tremors at rest, stiffness during movement, or a shuffling gait. In addition to motor features, non-motor symptoms include sleep disturbances, mood and behavioral changes, constipation, and cognitive impairment, all of...
28