Cited by 245Alzheimer's disease research and treatmentsNeuroscience and Neuropharmacology ResearchNeuroinflammation and Neurodegeneration Mechanisms

Dendrite and dendritic spine alterations in alzheimer models

Moolman, Donna L., Vitolo, Ottavio V., Vonsattel, Jean-Paul G., Shelanski, Michael L.·2004·Journal of Neurocytology

Abstract

Synaptic damage and loss are factors that affect the degree of dementia experienced in Alzheimer disease (AD) patients. Multicolor DiOlistic labeling of the hippocampus has been undertaken which allows the full dendritic arbor of targeted neurons to be imaged. Using this labeling technique the neuronal morphology of two transgenic mouse lines (J20 and APP/PS1) expressing mutant forms of the Amyloid Precursor Protein (APP), at various ages, have been visualized and compared to Wild Type (WT) littermate controls. Swollen bulbous dystrophic neurites with loss of spines were apparent in the transgenic animals. Upon quantification, statistically significant reductions in the number of spines and total dendrite area was observed in both transgenic mouse lines at 11 months of age. Similar morphological abnormalities were seen in human AD hippocampal tissue both qualitatively and quantitatively. Immunohistochemistry and DiOlistic labeling was combined so that Abeta plaques were imaged in relation to the dendritic trees. No preferential localization of these abnormal dystrophic neurites was seen in regions with plaques. DiI labeled reative astrocytes were often apparent in close proximity to A beta plaques.

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Crossref · 10.1023/b:neur.0000044197.83514.64

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Authors
Moolman, D. L., Vitolo, O. V., Vonsattel, J.-P. G., & Shelanski, M. L.
Affiliations
Columbia University (US)
Corresponding author
Shelanski, Michael L.
Venue
Journal of Neurocytology
Published
2004-05
Volume
33
Issue
3
Pages
377-387
ISSN
  • 0300-4864 (ISSN-L)
  • 1573-7381
OpenAlex
W1967917932
Cited by
245
References
33
Citations by year
2026: 4 · 2025: 5 · 2024: 5 · 2023: 9 · 2022: 13 · 2021: 7 · 2020: 10 · 2019: 7 · 2018: 8 · 2017: 9 · 2016: 14 · 2015: 15 · 2014: 16 · 2013: 23 · 2012: 11
FWCI
5.97
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurocytology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Aging (AG08702, P50AG008702)
  • National Institute of Neurological Disorders and Stroke (NS15076, R01NS015076)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, dendritic spine loss, dendritic morphology, amyloid precursor protein, APP/PS1 mice, dystrophic neurites, amyloid plaques, hippocampus, reactive astrocytes, synaptic damage, DiI labeling
MeSH terms
Aging, Alzheimer Disease, Animals, Astrocytes, Carbocyanines, Dendrites, Disease Models, Animal, Hippocampus, Humans, Immunohistochemistry, Mice, Transgenic, Mutation, Staining and Labeling, Amyloid beta-Protein Precursor, Pyramidal Cells, Biolistics, Dendritic Spines, Mice, Plaque, Amyloid

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