ArticleMolecular neurobiology2024
Cognitive Deficits and Alzheimer's Disease-Like Pathologies in the Aged Chinese Tree Shrew.
Article in Molecular neurobiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 13 citations in OpenAlex.
- Advances in the Comprehensive Tree Shrew Brain Atlas.Biomolecules · 2026Review
- Article
- A narrative review of behavioral tests across mammalian models in neuroscience.Behavioral and brain functions : BBF · 2026Review
- An anatomical and connectivity atlas of the tree shrew brain to bridge rodent and primate neuroanatomy.PLoS biology · 2026Article
- A study on the establishment of a traumatic brain injury model of tree shrews and the observation of neuroinflammatory responses.IBRO neuroscience reports · 2025Article
- Anatomical mapping of GFAP-immunoreactive astrocytes in the tree shrew brain.Zoological research · 2025Article
- Distributions of parvalbumin, calbindin-D28k, and calretinin in the cerebrum of Chinese tree shrews (Zoological research · 2025Article
- Light at night negatively affects mood in diurnal primate-like tree shrews via a visual pathway related to the perihabenular nucleus.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Article
- Exploring efficient and effective mammalian models for Alzheimer's disease.Frontiers in aging neuroscience · 2025Review
- Whole-genome DNA methylomes of tree shrew brains reveal conserved and divergent roles of DNA methylation on sex chromosome regulation.BMC biology · 2024Article
- Animal models of Alzheimer's disease: Current strategies and new directions.Zoological research · 2024Review
- Alzheimer's Disease Neuropathological Change in Aged Non-Primate Mammals.International journal of molecular sciences · 2024Review
- Study of tree shrew biology and models: A booming and prosperous field for biomedical research.Zoological research · 2024Review
- Whole-genome DNA methylomes of Tree shrew brains reveal conserved and divergent roles of DNA methylation on sex chromosome regulation.bioRxiv : the preprint server for biology · 2024Article
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Authors and funding
14 authors at 3 institutions in 2 countries.
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Abstract
Alzheimer's disease (AD) is the most common chronic progressive neurodegenerative disease in the elderly. It has an increasing prevalence and a growing health burden. One of the limitations in studying AD is the lack of animal models that show features of Alzheimer's pathogenesis. The tree shrew has a much closer genetic affinity to primates than to rodents and has great potential to be used for research into aging and AD. In this study, we aimed to investigate whether tree shrews naturally develop cognitive impairment and major AD-like pathologies with increasing age. Pole-board and novel object recognition tests were used to assess the cognitive performance of adult (about 1 year old) and aged (6 years old or older) tree shrews. The main AD-like pathologies were assessed by Western blotting, immunohistochemical staining, immunofluorescence staining, and Nissl staining. Our results showed that the aged tree shrews developed an impaired cognitive performance compared to the adult tree shrews. Moreover, the aged tree shrews exhibited several age-related phenotypes that are associated with AD, including increased levels of amyloid-β (Aβ) accumulation and phosphorylated tau protein, synaptic and neuronal loss, and reactive gliosis in the cortex and the hippocampal tissues. Our study provides further evidence that the tree shrew is a promising model for the study of aging and AD.
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