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Advanced three-dimensional in vitro models for Parkinson's disease research
Anabela Moreira1,2,3,4, James B Phillips3,4, António J Salgado1,2
1Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, Braga, Portugal.
Neural Regeneration Research
|March 4, 2026
Summary
Advanced in vitro 3D models using human cells offer new ways to study Parkinson's disease (PD). These models mimic PD features, aiding the development of personalized, disease-modifying therapies and reducing animal testing.
Area of Science:
- Neuroscience
- Stem Cell Biology
- Biotechnology
Background:
- Parkinson's disease (PD) is a common neurodegenerative disorder with limited treatment options.
- Current PD management focuses on symptoms, not disease progression.
- A lack of human-relevant preclinical models hinders therapeutic development.
Purpose of the Study:
- To review advanced in vitro 3D models for Parkinson's disease research.
- To highlight human cellular models that recapitulate key PD pathologies.
- To discuss the potential for personalized medicine in PD treatment.
Main Methods:
- Focus on in vitro 3D models: spheroids, organoids, scaffold-based systems, and microfluidic platforms.
- Utilizing induced pluripotent stem cells and gene editing technologies.
- Developing patient-specific cellular models.
Main Results:
- These advanced models replicate crucial PD features in vitro, including dopaminergic neuron loss and alpha-synuclein aggregation.
- Models exhibit mitochondrial dysfunction, glial activation, and blood-brain barrier disruption.
- They serve as valuable tools for pharmacological and toxicological studies.
Conclusions:
- Advanced in vitro 3D models represent a significant advancement in Parkinson's disease research.
- They offer human-specific cellular responses, aiding the translation of new therapies.
- These models contribute to reducing animal use in preclinical research.
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