Parkinsonism and Frontotemporal Dementia: The Clinical Overlap
Open accessAbstract
Frontotemporal dementia is commonly associated with parkinsonism in several sporadic (i.e., progressive supranuclear palsy, corticobasal degeneration) and familial neurodegenerative disorders (i.e., frontotemporal dementia associated with parkinsonism and MAPT or progranulin mutations in chromosome 17). The clinical diagnosis of these disorders may be challenging in view of overlapping clinical features, particularly in speech, language, and behavior. The motor and cognitive phenotypes can be viewed within a spectrum of clinical, pathologic, and genetic disorders with no discrete clinicopathologic correlations but rather lying within a dementia-parkinsonism continuum. Neuroimaging and cerebrospinal fluid analysis can be helpful, but the poor specificity of clinical and imaging features has enormously challenged the development of biological markers that could differentiate these disorders premortem. This gap is critical to bridge in order to allow testing of novel biological therapies that may slow the progression of these proteinopathies.
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In cases of bvFTD-associated parkinsonism, tau is the most common underlying proteinopathy.
“In cases of bvFTD-associated parkinsonism, tau is the most common underlying proteinopathy [20].”
From Diagnosing the frontal variant of Alzheimer’s disease: a clinician’s yellow brick road (2017) · cites this paper as [20]
The Genetic Investigations section states that most cases of FTLD associated with parkinsonism are tauopathies. That supports the general point, but it does not establish that tau is the most common proteinopathy specifically in behavioral-variant FTD (bvFTD) with parkinsonism. (LLM, conf=0.85)
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Diagnosing the frontal variant of Alzheimer’s disease: a clinician’s yellow brick road
Sawyer, R. P., Rodriguez-Porcel, F., Hagen, M., Shatz, R., & Espay, A. J. (2017) · Journal of Clinical Movement Disorders · doi:10.1186/s40734-017-0052-4 · Cited by 40 · see citing works
“In cases of bvFTD-associated parkinsonism, tau is the most common underlying proteinopathy [20].”
BackgroundSelf-citationGossye, H., Van Broeckhoven, C., & Engelborghs, S. (2019) · Frontiers in Neuroscience · doi:10.3389/fnins.2019.00757 · Cited by 34 · see citing works
- Authors
- Espay, A. J., & Litvan, I.
- Affiliations
- University of Cincinnati (US)
- University of Louisville (US)
- Corresponding author
- Litvan, Irene
- Venue
- Journal of Molecular Neuroscience
- Published
- 2011-09-03
- Volume
- 45
- Issue
- 3
- Pages
- 343-349
- ISSN
- 0895-8696 (ISSN-L)
- 1559-1166
- PMC
- PMC3324113
- OpenAlex
- W2072609931
- Cited by
- 62
- References
- 2
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 5 · 2023: 4 · 2022: 2 · 2021: 8 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 2 · 2016: 3 · 2015: 4 · 2014: 11 · 2013: 5 · 2012: 3
- FWCI
- 4.18
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Journal of Molecular Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- U.S. Public Health Service (R01 PAS-03-092)
- National Institute of Mental Health (K23MH092735)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
- Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
- Keywords
- frontotemporal dementia, parkinsonism, progressive supranuclear palsy, corticobasal degeneration, MAPT mutations, progranulin mutations, diagnosis, differential diagnosis, biomarkers, cerebrospinal fluid analysis, neuroimaging, proteinopathies
- MeSH terms
- Progranulins, Humans, Supranuclear Palsy, Progressive, tau Proteins, Genetic Predisposition to Disease, Parkinsonian Disorders, Intercellular Signaling Peptides and Proteins, Frontotemporal Dementia
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