Redefining Parkinson's disease research using induced pluripotent stem cells.
Jiali Pu1, Houbo Jiang, Baorong Zhang
1Department of Physiology and Biophysics, State University of New York at Buffalo, 124 Sherman Hall, Buffalo, NY 14214, USA.
Current Neurology and Neuroscience Reports
|May 25, 2012
Summary
Induced pluripotent stem cells (iPSCs) provide patient-specific neurons for Parkinson's disease (PD) research. This human cell model advances understanding of nigral dopaminergic neuron vulnerability and therapeutic discovery.
Area of Science:
- Neuroscience
- Stem Cell Biology
- Genetics
Background:
- Parkinson's disease (PD) involves the degeneration of nigral dopaminergic (DA) neurons.
- A major challenge in PD research is the absence of patient-specific DA neurons for study.
- Induced pluripotent stem cells (iPSCs) offer a solution for creating patient-specific models.
Purpose of the Study:
- To review recent advancements in generating and analyzing patient-specific iPSC-derived midbrain DA neurons.
- To highlight the potential of human cellular models in Parkinson's disease research.
- To discuss the future of PD research utilizing human model systems.
Main Methods:
- Generation of patient-specific iPSCs.
- Differentiation of iPSCs into midbrain dopaminergic (DA) neurons.
- Analysis of iPSC-derived DA neurons for disease modeling.
- Integration of genomic modification technologies and cell transplantation studies.
Main Results:
- Patient-specific iPSC-derived midbrain DA neurons provide a novel platform for PD research.
- These human cellular models offer insights into the unique vulnerabilities of nigral DA neurons.
- Advancements facilitate the identification of potential disease-modifying therapies.
Conclusions:
- iPSC technology has revolutionized Parkinson's disease research by enabling patient-specific modeling.
- Human cellular models are crucial for understanding PD mechanisms and developing targeted therapies.
- Future research will leverage these models for personalized medicine approaches in Parkinson's disease.
More Related Videos
Related Concept Videos
EPS and iPS Cells in Disease Research
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,...
Induced Pluripotent Stem Cells
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 called induced pluripotent stem...
Induced Pluripotent Stem Cells
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 cells are...
Somatic cells are...
Induced Pluripotent Stem Cells
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 called induced pluripotent stem...
iPS 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.
Somatic to iPS Cell Reprogramming
Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012 for this...


