Evidence map›Paper›PMID 39141121›Full record

ReviewActa neuropathologica2024

Current insights and assumptions on α-synuclein in Lewy body disease.

Rehana K Leak, Rachel N Clark, Muslim Abbas, Fei Xu, Jeffrey L Brodsky, Jun Chen, Xiaoming Hu, Kelvin C Luk

Abstract readReview
In one paragraph

Review in Acta neuropathologica, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed.

  1. Article
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  7. Effects of α-synuclein pathology on synaptic dysfunction and clinical outcomes in normal aging.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
  8. Article
  9. Article
  10. The spleen-brain axis in Alzheimer's disease and related dementias: Integrating immune and metabolic regulation.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Review
  11. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Rehana K LeakGraduate School of Pharmaceutical Sciences, Duquesne University, 418C Mellon Hall, 913 Bluff Street, Pittsburgh, PA, 15219, USA. leakr@duq.edu.ORCID 0000-0003-2817-7417
Rachel N ClarkGraduate School of Pharmaceutical Sciences, Duquesne University, 418C Mellon Hall, 913 Bluff Street, Pittsburgh, PA, 15219, USA.
Muslim AbbasGraduate School of Pharmaceutical Sciences, Duquesne University, 418C Mellon Hall, 913 Bluff Street, Pittsburgh, PA, 15219, USA.
Fei XuDepartment of Neurology, University of Pittsburgh, Pittsburgh, PA, USA.
Jeffrey L BrodskyDepartment of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, USA.
Jun ChenDepartment of Neurology, University of Pittsburgh, Pittsburgh, PA, USA.
Xiaoming HuDepartment of Neurology, University of Pittsburgh, Pittsburgh, PA, USA.
Kelvin C LukDepartment of Pathology and Laboratory Medicine, University of Pennsylvania, Pennsylvania, PA, USA.

Funding

Modulating Hsp70-dependent proteostasis in Alzheimer's DiseaseR35GM131732 · NIGMS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI JEFFREY L. BRODSKY · 2019 to 2026
$3.4M
Myelination and Resilience Against Limbic Alpha-SynucleinopathyR15NS130532 · NINDS · DUQUESNE UNIVERSITY · PI LEAK, REHANA KHAN · 2022 to 2022
$447k
Repopulation of the Microglia/Macrophage Niche in Experimental Lewy Body DiseaseR21NS141002 · NINDS · DUQUESNE UNIVERSITY · PI HU, XIAOMING, LEAK, REHANA K · 2024 to 2025
$420k
BLRD VA I01 BX003377NIGMS NIH HHS GM 131732NIGMS NIH HHS R35 GM131732NINDS NIH HHS R15 NS130532NINDS NIH HHS R15 NS130532-01NINDS NIH HHS R21 NS141002
6 · The paper itself

Abstract

Lewy body disorders are heterogeneous neurological conditions defined by intracellular inclusions composed of misshapen α-synuclein protein aggregates. Although α-synuclein aggregates are only one component of inclusions and not strictly coupled to neurodegeneration, evidence suggests they seed the propagation of Lewy pathology within and across cells. Genetic mutations, genomic multiplications, and sequence polymorphisms of the gene encoding α-synuclein are also causally linked to Lewy body disease. In nonfamilial cases of Lewy body disease, the disease trigger remains unidentified but may range from industrial/agricultural toxicants and natural sources of poisons to microbial pathogens. Perhaps due to these peripheral exposures, Lewy inclusions appear at early disease stages in brain regions connected with cranial nerves I and X, which interface with inhaled and ingested environmental elements in the nasal or gastrointestinal cavities. Irrespective of its identity, a stealthy disease trigger most likely shifts soluble α-synuclein (directly or indirectly) into insoluble, cross-β-sheet aggregates. Indeed, β-sheet-rich self-replicating α-synuclein multimers reside in patient plasma, cerebrospinal fluid, and other tissues, and can be subjected to α-synuclein seed amplification assays. Thus, clinicians should be able to capitalize on α-synuclein seed amplification assays to stratify patients into potential responders versus non-responders in future clinical trials of α-synuclein targeted therapies. Here, we briefly review the current understanding of α-synuclein in Lewy body disease and speculate on pathophysiological processes underlying the potential transmission of α-synucleinopathy across the neuraxis.

Indexed as

alpha-SynucleinLewy Body DiseaseAnimalsBrainHumansLewy Bodiesalpha-SynucleinDementiaLewy bodyNeurodegenerationParkinson’s diseasePrionSynuclein

Identifiers

PMID39141121
PMCPMC11324801

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.