ArticleFrontiers in aging neuroscience2024
Hippocampal SIRT1 signaling mediates the ameliorative effect of treadmill exercise on anxiety- and depression-like behavior in APP/PS1 mice.
Article in Frontiers in aging neuroscience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- SIRT1 in Neurodegenerative Diseases: Molecular Mechanisms, Disease Relevance, and Therapeutic Potential.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026Review
- Voluntary Exercise and Hippocampal Memory Enhancement: Decoding the Molecular Blueprint.Journal of molecular neuroscience : MN · 2026Review
- Mechanistic insights and therapeutic interventions of mitochondrial quality control in chemotherapy-related cognitive impairment.Neoplasia (New York, N.Y.) · 2026Review
- Aerobic exercise combined with FK866 ameliorates Alzheimer's disease-like pathology in APP/PS1 mice with NAMPT abnormality.Frontiers in immunology · 2026Article
- Anxiolytic Effects of Natural Products: Pathological Mechanisms, Molecular Targets, Therapeutic Prospects.Neuropsychiatric disease and treatment · 2025Review
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6 authors.
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Abstract
Objective: Anxiety and depression-like symptoms occur in the early stages of Alzheimer's disease. Hippocampal Sirtuin 1 (SIRT1) signaling mediates anxiety- and depression-like behavior. Exercise training improves anxiety and depression-like behavior in various disease models, such as the rat chronic restraint stress model, rat model of posttraumatic stress disorder, and rat model of fetal alcohol spectrum disorders. Here, we aimed to investigate whether exercise ameliorates anxiety- and depression like behaviors in APP/PS1 mice and explore the potential mechanisms. Methods: After eight weeks of exercise intervention, we assessed anxiety- and depression-like behaviors in Alzheimer's disease (AD) model mice. We then measured the levels of SIRT1, peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC1α), nuclear respiratory factor 1 (NRF1), mitochondrial transcription factor A (TFAM), and mitochondrial biogenesis (CO2, ATP6, and mitochondrial content) using immunofluorescence, reverse transcription-quantitative real-time PCR, and transmission electron microscopy. Finally, we investigated the effects of pharmacological activation of SIRT1 on anxiety- and depression-like behaviors, the SIRT1/PGC-1α/NRF1/TFAM signaling axis, and mitochondrial biogenesis. Results: We first observed that treadmill exercise improved anxiety- and depression-like behaviors in six-month-old APP/PS1 mice and increased SIRT1 levels in the hippocampus. Pharmacological activation of hippocampal SIRT1 function also reduced anxiety and depression-like behaviors in APP/PS1 mice. Meanwhile, both treadmill exercise and pharmacological activation of hippocampal SIRT1 increased the levels of PGC1α, NRF1, TFAM, and enhanced mitochondrial biogenesis (CO2, ATP6, or mitochondrial content) in the hippocampus of APP/PS1 mice. Conclusion: These findings reveal that treadmill exercise reduces anxiety- and depression-like behaviors in six-month-old APP/PS1 mice by enhancing the SIRT1-dependent PGC-1α/NRF1/TFAM axis, promoting mitochondrial biogenesis in the hippocampus.
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