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Bridging integrator 1 (BIN1): form, function, and Alzheimer's disease.
Meng-Shan Tan1, Jin-Tai Yu, Lan Tan
1College of Medicine and Pharmaceutics, Ocean University of China, Qingdao 266003, China; Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao 266071, China.
Bridging Integrator 1 (BIN1) is a key gene linked to late-onset Alzheimer's disease (LOAD) risk. Research suggests BIN1 influences tau pathology and other cellular functions, offering potential therapeutic targets for Alzheimer's disease.
Area of Science:
- Neuroscience
- Genetics
- Molecular Biology
Background:
- The bridging integrator 1 (BIN1) gene, also known as amphiphysin 2, is a significant genetic risk factor for late-onset Alzheimer's disease (LOAD), second only to apolipoprotein E (APOE).
- Understanding BIN1's role is crucial for elucidating Alzheimer's disease (AD) pathogenesis.
Purpose of the Study:
- To summarize the known functions of the BIN1 gene.
- To discuss BIN1 polymorphisms associated with LOAD and their physiological implications.
- To explore BIN1's potential role in AD pathogenesis and therapeutic strategies.
Main Methods:
- Literature review of studies on BIN1 gene, its polymorphisms, and association with LOAD.
- Analysis of emerging data on BIN1's cellular functions and impact on AD pathology.
- Review of research on epigenetic modifications, specifically DNA methylation of the BIN1 promoter.
Main Results:
- BIN1 is identified as a major genetic risk locus for LOAD.
- BIN1 appears to influence AD risk primarily through modulation of tau pathology.
- Other affected cellular functions include endocytosis/trafficking, inflammation, calcium homeostasis, and apoptosis.
Conclusions:
- BIN1 plays a significant role in LOAD pathogenesis through multiple cellular pathways.
- Epigenetic modifications, such as DNA methylation of the BIN1 promoter, may contribute to AD.
- Targeting BIN1 presents a promising avenue for novel therapeutic interventions for Alzheimer's disease.
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