The DOI matches its Crossref record; 85 of the 86 references it cites were found in a registry or an index.
Synuclein activates microglia in a model of Parkinson's disease
Open accessAbstract
Parkinson's disease (PD) is the most common neurodegenerative movement disorder afflicting >500,000 patients in the United States alone. This age-related progressive disorder is typified by invariant loss of dopaminergic substantia nigra neurons (DAN), dystrophic neurites, the presence of alpha-synuclein (SYN) positive intracytoplasmic inclusions (Lewy bodies) in the remaining DAN, and activated microglia. As such, microglial activation and resultant increase in proinflammatory molecules have moved to the forefront of PD research as a potential pathobiologic mechanism of disease. Herein, we present data demonstrating early microglial activation in mice that over-express wild-type SYN, the release of SYN from a SYN overexpressing MN9D cell line, and dose-dependent SYN-mediated activation of primary microglial cultures with consequent increases in proinflammatory molecules. Furthermore, we provide evidence that the CD36 scavenger receptor and downstream kinases are involved in SYN-mediated microglial activation. Together, our data suggest an early role for SYN and inflammation in PD pathogenesis.
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“SR-B2 promotes α-synuclein–microglial interactions64 and senses misfolded mutant or oxidized SOD1 in diseased motor neurons or in the extracellular space, rendering these cells proinflammatory85.”
From Microglia in neurodegeneration (2018) · cites this paper as [64]
In the citing paper
“Microglia accumulate near α-synuclein deposits and become proinflammatory in a manner dependent on receptors that also bind Aβ, such as CD36 and TLR263–65.”
From Microglia in neurodegeneration (2018) · cites this paper as [64]
In the citing paper
“Microglia also phagocytose α-synuclein, the constituent protein of Lewy bodies in Parkinson’s and Lewy Body dementias, and become pro-inflammatory in the process, expressing cytokines (IL1β, IL6, TNFα), reactive oxygen species (ROS) and prostaglandin synthesising cyclooxygenase 2 (COX2) [24,25,26].”
From ROS Generation in Microglia: Understanding Oxidative Stress and Inflammation in Neurodegenerative Disease (2020) · cites this paper as [25]
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Neuroinflammation in Parkinson’s disease: A target for neuroprotection?
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“Similarly, exposure of primary microglial cells to recombinant aggregated or mutated alphasynuclein results in increased activated microglia and ROS production followed by the secretion of TNF-alpha, IL6 and IL-1beta [266] [272] [273] and the activation of intracellular pathways such as ERK1/2 and p38 MAPK [272].”
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“It has been reported that recombinant -synuclein can activate microglia cells (Zhang et al., 2005; Su et al., 2008).”
Background
Metadata
- Authors
- Su, X., Maguire-Zeiss, K. A., Giuliano, R., Prifti, L., Venkatesh, K., & Federoff, H. J.
- Affiliations
- University of Rochester Medicine (US)
- Corresponding author
- Federoff, Howard J.
- Venue
- Neurobiology of Aging
- Publisher
- Elsevier BV
- Published
- 2008-11
- Volume
- 29
- Issue
- 11
- Pages
- 1690-1701
- ISSN
- 0197-4580 (ISSN-L)
- PMC
- PMC2621109
- OpenAlex
- W2120997873
- Cited by
- 474
- References
- 86
- Citations by year
- 2026: 11 · 2025: 17 · 2024: 27 · 2023: 19 · 2022: 46 · 2021: 46 · 2020: 37 · 2019: 30 · 2018: 26 · 2017: 18 · 2016: 15 · 2015: 22 · 2014: 32 · 2013: 21 · 2012: 24
- FWCI
- 12.04
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Neurobiology of Aging (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute of Neurological Disorders and Stroke (T32NS007489)
- Topics
- Health Sciences › Medicine › Clinical Neurology › Parkinson's Disease Mechanisms and Treatments
- Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Receptors and Signaling
- Keywords
- Parkinson's disease, alpha-synuclein, microglial activation, neuroinflammation, CD36 scavenger receptor, proinflammatory molecules, Lewy bodies, MN9D cells, pathogenesis
- MeSH terms
- Animals, Cell Line, Disease Models, Animal, Humans, Male, Mice, Inbred C57BL, Mice, Transgenic, Cytokines, Microglia, Parkinsonian Disorders, Mice, Synucleins
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