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Updated: Jul 17, 2026

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
Published on: January 7, 2014
Parkinson's disease pathogenesis, evolution and alternative pathways: A review.
A Alexoudi1, I Alexoudi2, S Gatzonis1
1Department of Neurosurgery, University of Athens, School of Medicine, Evangelismos Hospital, Ipsilantou 45-47, 10676 Athens, Greece.
Parkinson's disease (PD) may be linked to the gastrointestinal tract and skin. These organs share developmental pathways, suggesting a role in PD pathogenesis and offering new research avenues.
Area of Science:
- Neuroscience
- Gastroenterology
- Dermatology
Background:
- Sporadic Parkinson's disease (PD) is a common neurodegenerative disorder in the elderly.
- Previous research on PD biomarkers focused on tissue biopsies.
- Emerging studies link PD with skin disorders (seborrheic dermatitis, rosacea) and Crohn's disease.
Purpose of the Study:
- To explore the hypothesis of a link between the gastrointestinal tract, skin, and PD development.
- To investigate shared embryological origins and pathogenic pathways.
Main Methods:
- Review of scientific literature on PD, gastrointestinal disorders, and skin conditions.
- Analysis of shared molecular networks and embryological development.
Main Results:
- Established connections between PD and specific skin and gastrointestinal diseases.
- Identified analogous embryological development and common pathogenic pathways in the nervous system, gut, and skin.
Conclusions:
- The gastrointestinal tract and skin may play a role in the pathogenesis of Parkinson's disease.
- An evolutionary perspective can guide future research into neurological, gastrointestinal, and skin disorder overlaps.
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