期刊
NEUROSCIENCE BULLETIN
卷 -, 期 -, 页码 -出版社
SPRINGER
DOI: 10.1007/s12264-023-01145-3
关键词
Alzheimer's disease; Cognitive impairment; Senile plaque; Tau protein; Terahertz
The study demonstrates that THz wave treatment has significant effects in improving cognitive impairment and alleviating neuropathology in Alzheimer's disease, suggesting its potential as a novel therapeutic intervention.
Alzheimer's disease (AD) is a progressive neurodegenerative disease characterized by the deposition of amyloid-beta (A beta), neurofibrillary tangles, neuroinflammation, and neurodegeneration in the brain. In recent years, considering the unsatisfied benefits of pharmacological therapies, non-pharmacological therapy has become a research hotspot for AD intervention. Terahertz (THz) waves with a range between microwave and infrared regions in the electromagnetic spectrum and high permeability to a wide range of materials have great potential in the bioengineering field. However, its biological impacts on the central nervous system, under either physiological or pathological conditions, are poorly investigated. In this study, we first measured the 0.14 THz waves penetration across the skull of a C57BL/6 mouse and found the percentage of THz penetration to be similar to 70%, guaranteeing that THz waves can reach the relevant brain regions. We then exposed the APP(SWE)/PS1(DE9) mouse model of AD to repeated low-frequency THz waves on the head. We demonstrated that THz waves treatment significantly improved the cognitive impairment and alleviated AD neuropathology including A beta deposition and tau hyperphosphorylation in the AD mice. Moreover, THz waves treatment effectively attenuated mitochondrial impairment, neuroinflammation, and neuronal loss in the AD mouse brain. Our findings reveal previously unappreciated beneficial effects of THz waves treatment in AD and suggest that THz waves may have the potential to be used as a novel therapeutic intervention for this devastating disease.
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