Cited by 48Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingAlzheimer's disease research and treatments

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Early and Persistent Expression of Phosphorylated α-Synuclein in the Enteric Nervous System of A53T Mutant Human α-Synuclein Transgenic Mice

Bencsik, Anna, Muselli, Letizia, Leboidre, Mikael, Lakhdar, Latifa, Baron, Thierry·2014·Journal of Neuropathology & Experimental Neurology

Abstract

Alpha-synuclein is a key protein in Parkinson disease (PD) and dementia with Lewy bodies. It is found in Lewy bodies in the brains of PD patients and has been reported in the peripheral nervous system in postmortem tissues from PD patients and in biopsies from patients in the preclinical phase of PD. Here, we used a transgenic mouse model of human synucleinopathies expressing the A53T mutant α-synuclein (TgM83) in which a neurodegenerative process associated with α-synuclein occurs spontaneously and increases with age. In particular, α-synuclein protein phosphorylated at serine 129 (pSer129 α-synuclein) naturally and progressively increases in diseased brains. We examined the time course of pSer129 α-synuclein presence in the gut of these mice between 1.5 and 22 months of age using immunohistochemistry and paraffin-embedded tissue blots. The pSer129 α-synuclein accumulated early (before the onset of motor signs) and persistently in the enteric nervous system and was concomitantly found in the brain. These results suggest that the accumulation of phosphorylated α-synuclein in the enteric and central nervous systems may result from parallel pathologic processes when the disease is linked to a mutation of α-synuclein.

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Crossref · 10.1097/nen.0000000000000137

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Metadata

Authors
Bencsik, A., Muselli, L., Leboidre, M., Lakhdar, L., & Baron, T.
Affiliations
Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail (FR)
Corresponding author
Bencsik, Anna
Venue
Journal of Neuropathology & Experimental Neurology
Published
2014-12
Volume
73
Issue
12
Pages
1144-1151
ISSN
  • 0022-3069 (ISSN-L)
  • 1554-6578
OpenAlex
W2091489444
Cited by
48
References
51
Citations by year
2025: 2 · 2024: 7 · 2023: 3 · 2022: 4 · 2021: 5 · 2020: 6 · 2019: 10 · 2018: 5 · 2017: 3 · 2016: 2 · 2015: 1
FWCI
1.30
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neuropathology & Experimental Neurology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail
Topics
  • Health Sciences › Medicine › Clinical Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Receptors and Signaling
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
Keywords
alpha-synuclein, A53T mutant, phosphorylated alpha-synuclein, enteric nervous system, Parkinson's disease, dementia with Lewy bodies, synucleinopathies, Lewy bodies, gut-brain axis, neurodegeneration
MeSH terms
Animals, Gene Expression Regulation, Humans, Mice, Inbred C57BL, Mice, Transgenic, Mutation, Parkinson Disease, Phosphorylation, Enteric Nervous System, Mice, alpha-Synuclein

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