Striatal Blood–Brain Barrier Permeability in Parkinson'S Disease
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In vivo studies have shown that blood-brain barrier (BBB) dysfunction is involved in the course of Parkinson's disease (PD). However, these have lacked either anatomic definition or the ability to recognize minute changes in BBB integrity. Here, using histologic markers of serum protein, iron, and erythrocyte extravasation, we have shown significantly increased permeability of the BBB in the postcommissural putamen of PD patients. The dense innervation of the striatum by PD-affected regions allows for exploitation of this permeability for therapeutic goals. These results are also discussed in the context of the retrograde trans-synaptic hypothesis of PD spread.
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In Parkinson's disease patients, histological analysis reveals blood-brain barrier breakdown in the striatum shown by capillary leakages, perivascular fibrin(ogen) and IgG deposits, hemosiderin, and RBC extravasation.
“Throughout the basal ganglia, histological analysis of PD patients reveals BBB breakdown in the striatum as shown by capillary leakages and accumulation of perivascular fibrin(ogen) (214) and IgG (473) deposits, hemosiderin (214, 373), and RBCs extravasation (214).”
From Blood-Brain Barrier: From Physiology to Disease and Back (2019) · cites this paper as [214]
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- Authors
- Gray, M. T., & Woulfe, J. M.
- Affiliations
- University of Ottawa (CA)
- Corresponding author
- Woulfe, John M
- Venue
- Journal of Cerebral Blood Flow & Metabolism
- Publisher
- SAGE Publications
- Published
- 2015-03-11
- Volume
- 35
- Issue
- 5
- Pages
- 747-750
- ISSN
- 0271-678X (ISSN-L)
- 1559-7016
- PMC
- PMC4420870
- OpenAlex
- W2079606458
- Cited by
- 409
- References
- 16
- Citations by year
- 2026: 32 · 2025: 44 · 2024: 45 · 2023: 43 · 2022: 50 · 2021: 64 · 2020: 39 · 2019: 31 · 2018: 29 · 2017: 14 · 2016: 9 · 2015: 7 · 2012: 1
- FWCI
- 10.49
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Cerebral Blood Flow & Metabolism (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institute on Aging (P30AG019610)
- National Institute of Neurological Disorders and Stroke (U24NS072026)
- Topics
- Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
- Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
- Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
- Keywords
- Parkinson's disease, blood-brain barrier permeability, striatum, putamen, erythrocyte extravasation, iron accumulation, neurodegeneration
- MeSH terms
- Aged, Aged, 80 and over, Blood Proteins, Blood-Brain Barrier, Capillary Permeability, Erythrocytes, Female, Humans, Iron, Male, Middle Aged, Parkinson Disease, Biomarkers
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