Cited by 205Neurogenesis and neuroplasticity mechanismsAlzheimer's disease research and treatmentsNeuroscience and Neuropharmacology Research

Imbalance between GABAergic and glutamatergic transmission impairs adult neurogenesis in an animal model of Alzheimer’s Disease.

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Sun, Binggui, Halabisky, Brian, Zhou, Yungui, Palop, Jorge J., Yu, Guiqiu, Mucke, Lennart, Gan, Li·2009·Cell Stem Cell

Abstract

Adult neurogenesis regulates plasticity and function in the hippocampus, which is critical for memory and vulnerable to Alzheimer's disease (AD). Promoting neurogenesis may improve hippocampal function in AD brains. However, how amyloid beta (Abeta), the key AD pathogen, affects the development and function of adult-born neurons remains unknown. Adult-born granule cells (GCs) in human amyloid precursor protein (hAPP) transgenic mice, an AD model, showed greater dendritic length, spine density, and functional responses than did controls early in development, but were impaired morphologically and functionally during later maturation. Early inhibition of GABA(A) receptors to suppress GABAergic signaling or late inhibition of calcineurin to enhance glutamatergic signaling normalized the development of adult-born GCs in hAPP mice with high Abeta levels. Abeta-induced increases in GABAergic neurotransmission or an imbalance between GABAergic and glutamatergic neurotransmission may contribute to impaired neurogenesis in AD.

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Authors
Sun, B., Halabisky, B., Zhou, Y., Palop, J. J., Yu, G., Mucke, L., & Gan, L.
Affiliations
University of California, San Francisco (US)
Corresponding author
Gan, Li
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2009-12
Volume
5
Issue
6
Pages
624-633
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W2016632386
Cited by
205
References
52
Citations by year
2026: 3 · 2025: 8 · 2024: 16 · 2023: 10 · 2022: 26 · 2021: 16 · 2020: 10 · 2019: 10 · 2018: 13 · 2017: 6 · 2016: 19 · 2015: 7 · 2014: 17 · 2013: 14 · 2012: 10
FWCI
3.14
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (1c06rr018928-01)
  • National Institute on Aging (P01AG004342, AG022074, P01AG022074)
  • National Cancer Institute (CO6 RRO18928)
  • National Institute of Neurological Disorders and Stroke (R01NS041787, NS041787)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
adult neurogenesis, Alzheimer's disease, amyloid-beta, GABAergic neurotransmission, glutamatergic neurotransmission, GABAA receptor, calcineurin, hippocampus, dendritic spine development, neuronal maturation
MeSH terms
Alzheimer Disease, Animals, Cell Differentiation, Disease Models, Animal, Hippocampus, Humans, Mice, Transgenic, Synaptic Transmission, Amyloid beta-Peptides, Neurites, Tacrolimus, Pertussis Toxin, Dendritic Spines, Mice, Neurogenesis, GABA-A Receptor Antagonists, Calcineurin Inhibitors

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