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Purification and Aggregation of the Amyloid Precursor Protein Intracellular Domain
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The AICD interactome: implications in neurodevelopment and neurodegeneration
Laura Lok-Haang Ng1, Jessica Chow1, Kwok-Fai Lau1
1School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Hong Kong SAR, China.
Biochemical Society Transactions
|December 13, 2024
Summary
The APP intracellular domain (AICD) plays a dual role in Alzheimer's disease, influencing neuronal processes and potentially contributing to neurodegeneration through its complex interaction network.
Area of Science:
- Neuroscience
- Molecular Biology
- Biochemistry
Background:
- Alzheimer's disease (AD) research focuses on amyloid precursor protein (APP) processing and amyloid plaque formation.
- Downstream products of APP processing, such as the APP intracellular domain (AICD), are gaining research attention.
- AICD's interactions are crucial for various central nervous system (CNS) cellular functions.
Purpose of the Study:
- To review the neuronal functions of AICD.
- To summarize the pathological roles of AICD in neurodegeneration.
- To elucidate the AICD interaction network in the context of AD.
Main Methods:
- Literature review of studies on APP processing and AICD.
- Analysis of AICD's interactions with binding partners.
- Synthesis of findings on AICD's role in neuronal function and pathology.
Main Results:
- AICD interactions regulate critical cellular events: transcriptional activity, cytoskeletal dynamics, neuronal growth, and apoptosis.
- AICD is implicated in both normal neuronal processes and neurodegeneration.
- The AICD interaction network is dynamic and influences neuronal network function.
Conclusions:
- AICD is a key player in CNS cellular processes with implications for AD pathogenesis.
- Understanding the AICD interaction network is vital for deciphering its dual role in neuronal health and disease.
- Further research into AICD's functions may reveal novel therapeutic targets for Alzheimer's disease.
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