Abstract
Time-restricted feeding (TRF) is known to promote longevity and brain function, and potentially prevent neurological diseases. Animal studies show that TRF enhances brain-derived neurotrophic factor (BDNF) signaling and regulates autophagy and neuroinflammation, supporting synaptic plasticity, neurogenesis and neuroprotection. Feeding/fasting paradigms influence the circadian cycle, with TRF aligning circadian cycle-related gene expression, and thus altering physiological processes. Emerging evidence highlights the role of gut microbiota in neuronal plasticity, based on the observation that TRF significantly alters gut microbiota composition. Hence, the gut-brain axis may be crucial for maintaining cognitive functions and presents a potential therapeutic target for TRF-mediated neuroprotection. In the context of ischemic stroke where neuronal damage is extensive, TRF can be a preconditioning strategy to enhance synaptic plasticity and neuronal resilience, thus improving outcomes after stroke. This review discussed the link between TRF and circadian regulation in neuronal plasticity and its implications for recovery after stroke.
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