Cited by 74Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingNeurological disorders and treatments

The pathology roadmap in Parkinson disease

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Surmeier, D. James, Sulzer, David·2013·Prion

Abstract

An under-appreciated clue about pathogenesis in Parkinson disease (PD) is the distribution of pathology in the early and middle stages of the disease. This pathological 'roadmap' shows that in addition to dopaminergic neurons in the substantia nigra pars compacta (SNc), a significant number of other central and peripheral neuronal populations exhibit Lewy pathology, phenotypic dysregulation or frank degeneration in PD patients. This spatially distributed, at-risk population of neurons shares a number of features, including autonomously generated activity, broad action potentials, low intrinsic calcium buffering capacity and long, poorly myelinated, highly branched axons. Many, and perhaps all, of these traits add to the metabolic burden in these neurons, suggesting that mitochondrial deficits could drive pathogenesis in PD-in agreement with a large segment of the literature. What is less clear is how this neuronal phenotype might shape the susceptibility to proteostatic dysfunction or to the spread of α-synuclein fibrils deposited in the extracellular space. The review explores the literature on these issues and their translational implications.

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  • Parkinson's disease is proposed to start with CNS inflammation low in the brainstem, as in the Braak hypothesis, or with excitotoxic events anywhere, producing microglial •NO and O2•− and causing α-synuclein aggregates and Lewy bodies.

    “Summarizing, the proposal is that Parkinson’s disease starts with CNS inflammation low in the brainstem, as in the Braak hypothesis (246), or with excitotoxic events anywhere, producing microglial •NO and O2•− and causing α-synuclein aggregates and Lewy bodies.”

    From Chemiexcitation: Mammalian Photochemistry in the Dark<sup>†</sup> (2023) · cites this paper as [246]

    The Introduction (page unavailable) describes early Parkinson’s pathology in the brainstem and says Braak and collaborators suggest that neurons in the dorsal motor nucleus of the vagus are first to degenerate. That supports the citation’s brainstem-starting comparison, but the paper does not describe CNS inflammation as the initiating event. The citation is attached to the Braak comparison, not the sentence’s later proposed microglial mechanism. (LLM, conf=0.85)

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Research works printed but not linked: 1

  1. Goldberg JA, Guzman JN, Estep CM, Ilijic E, Kondapalli J, Sanchez-Padilla J, et al. Calcium entry induces mitochondrial oxidant stress in vagal neu- rons at risk in Parkinson's disease. Nat Neurosci 2012; 15:1414-21; PMID:22941107; http://dx.doi. org/10.1038/nn.3209. · DOI

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Authors
Surmeier, D. J., & Sulzer, D.
Affiliations
  • Northwestern University (US)
  • Columbia University (US)
Corresponding author
Surmeier, D. James
Venue
Prion
Published
2013-01
Volume
7
Issue
1
Pages
85-91
ISSN
  • 1933-6896 (ISSN-L)
  • 1933-690X
OpenAlex
W1981573235
Cited by
74
References
118
Citations by year
2026: 3 · 2025: 5 · 2024: 4 · 2023: 5 · 2022: 4 · 2021: 2 · 2020: 6 · 2019: 11 · 2018: 3 · 2017: 7 · 2016: 4 · 2015: 7 · 2014: 8 · 2013: 5
FWCI
1.04
Type
journal article
Language
en
Open access
Locations
  • Prion (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (P50-NS38370, P50NS038370, P50NS047085)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
Parkinson's disease, Lewy body pathology, Lewy bodies, Lewy neurites, dopaminergic neurons, substantia nigra pars compacta, neuronal vulnerability, mitochondrial dysfunction, calcium buffering, axon morphology, pathogenesis, neurodegeneration
MeSH terms
Animals, Brain, Calcium, Humans, Mitochondria, Neurons, Parkinson Disease, Substantia Nigra, Oxidative Stress, alpha-Synuclein

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