Relationship between alpha7 nicotinic acetylcholine receptor and Alzheimer's disease
BACKGROUND:The α7 nicotinic acetylcholine receptor is highly expressed in the cerebral cortex and hippocampus,and has been shown to play an important regulatory role in the pathological development of Alzheimer's disease,making it a potential therapeutic target for Alzheimer's disease.OBJECTIVE:To summarize the close relationship and interaction mechanism between α7 nicotinic acetylcholine receptor and Alzheimer's disease.METHODS:Retrieve relevant literature was searched in CNKI and PubMed databases using the search terms of"alpha7 nicotinic acetylcholine receptor,Alzheimer's disease,beta amyloid protein,agonist,positive allosteric modulator,antagonist"in Chinese and English,respectively.The search time was from database inception to July 2024.According to the inclusion criteria,the search results were accepted or excluded,and ultimately 83 articles that met the criteria were included for review.RESULTS AND CONCLUSION:The α7 nicotinic acetylcholine receptor interacts with β-amyloid protein to reduce the neurotoxicity of β-amyloid protein,such as promoting synaptic plasticity and rapid transmission of cholinergic synapses in Alzheimer's disease,alleviating central nervous system inflammation induced by β-amyloid protein,resisting neuronal apoptosis,and thus having a protective effect on the brain of patients with Alzheimer's disease.The α7 nicotinic acetylcholine receptor has great potential as a therapeutic target for Alzheimer's disease,but there are still a series of issues that need to be addressed,such as desensitization of α7 nicotinic acetylcholine receptor,stability of moderate activity,and gene polymorphism.Screening for drugs with high specificity,safety and multi-target binding action centered on the α7 nicotinic acetylcholine receptor will be a future direction for the treatment of Alzheimer's disease.
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