Cited by 134Down syndrome and intellectual disability researchAlzheimer's disease research and treatmentsGenetics and Neurodevelopmental Disorders

The DOI matches its Crossref record; 344 of the 344 references it cites were found in a registry or an index.

Communication breaks-Down: From neurodevelopment defects to cognitive disabilities in Down syndrome

Contestabile, Andrea, Benfenati, Fabio, Gasparini, Laura·2010·Progress in Neurobiology

Abstract

Down syndrome (DS) is the leading cause of genetically-defined intellectual disability and congenital birth defects. Despite being one of the first genetic diseases identified, only recently, thanks to the phenotypic analysis of DS mouse genetic models, we have begun to understand how trisomy may impact cognitive function. Cognitive disabilities in DS appear to result mainly from two pathological processes: neurogenesis impairment and Alzheimer-like degeneration. In DS brain, suboptimal network architecture and altered synaptic communication arising from neurodevelopmental impairment are key determinants of cognitive defects. Hypocellularity and hypoplasia start at early developmental stages and likely depend upon impaired proliferation of neuronal precursors, resulting in reduction of numbers of neurons and synaptic contacts. The impairment of neuronal precursor proliferation extends to adult neurogenesis and may affect learning and memory. Neurodegenerative mechanisms also contribute to DS cognitive impairment. Early onset Alzheimer disease occurs with extremely high incidence in DS patients and is causally-related to overexpression of beta-amyloid precursor protein (betaAPP), which is one of the triplicated genes in DS. In this review, we will survey the available findings on neurodevelopmental and neurodegenerative changes occurring in DS throughout life. Moreover, we will discuss the potential mechanisms by which defects in neurogenesis and neurodegenerative processes lead to altered formation of neural circuits and impair cognitive function, in connection with findings on pharmacological treatments of potential benefit for DS.

Overview

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Crossref · 10.1016/j.pneurobio.2010.01.003

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344 of 344 references verified0 citation errors · 0 not checkable

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Citations

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Items 201–344 of 344

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Research works printed but not linked: 4

  1. Best, 2006, Abnormal synaptic properties in Down syndrome: lessons from mouse models, Cell. Sci. Rev.
  2. Lejeune, 1959, Etude des chromosomes somatiques de neuf enfants mongoliens, Comptes Rendus. Hebd. Seances Acad. Sci., 248, 1721
  3. Oller, 1988, Babbling in prelinguistic retarded children, Am. J. Ment. Retard., 92, 369
  4. Wisniewski, 1994, Abnormal neurogenesis and synaptogenesis in Down syndrome, Dev. Brain. Dysfunct., 7, 289

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Metadata

Authors
Contestabile, A., Benfenati, F., & Gasparini, L.
Affiliations
Italian Institute of Technology (IT)
Corresponding author
  • Contestabile, Andrea
  • Gasparini, Laura
Venue
Progress in Neurobiology
Publisher
Elsevier BV
Published
2010-05
Volume
91
Issue
1
Pages
1-22
ISSN
0301-0082 (ISSN-L)
OpenAlex
W2084697692
Cited by
134
References
344
Citations by year
2025: 6 · 2024: 6 · 2023: 5 · 2022: 5 · 2021: 12 · 2020: 9 · 2019: 6 · 2018: 3 · 2017: 7 · 2016: 13 · 2015: 12 · 2014: 15 · 2013: 8 · 2012: 8
FWCI
1.61
Type
journal article
Language
en
Open access
closed
Locations
  • Progress in Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutial Research Information System (University of Genoa) (submittedVersion)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
Down syndrome, intellectual disability, neurodevelopmental impairment, neurogenesis, adult neurogenesis, neural progenitor proliferation, early-onset Alzheimer's disease, amyloid precursor protein, synaptic transmission, neural circuit formation, cognitive impairment, learning and memory, pharmacotherapy
MeSH terms
Animals, Brain, Chromosome Mapping, Cognition Disorders, Disease Models, Animal, Down Syndrome, Humans, Intellectual Disability, Trisomy, Neurogenesis

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