IMR Press / FBL / Volume 28 / Issue 10 / DOI: 10.31083/j.fbl2810258
Open Access Systematic Review
Alzheimer's Disease; Mechanism, Mutations, and Applications of Nano-Medicine
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1 Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore, 58810 Lahore, Pakistan
2 Zhongjing Research and Industrialization Institute of Chinese Medicine, Zhongguancun Scientific Park, Meixi, 473006 Nanyang, Henan, China
3 Department of Neurosurgery, Bishan hospital of Chongqing Medical University, 402760 Chongqing, China
4 State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiaotong University, 200240 Shanghai, China
5 Joint Laboratory of International Cooperation in Metabolic and Developmental Sciences, Ministry of Education, Shanghai Jiaotong University, 200240 Shanghai, China
*Correspondence: Muhammad.tahir8@imbb.uol.edu.pk (Muhammad Tahir Khan); kjb@bsrmyy.cn (Kejie Mou)
Front. Biosci. (Landmark Ed) 2023, 28(10), 258; https://doi.org/10.31083/j.fbl2810258
Submitted: 15 April 2023 | Revised: 19 July 2023 | Accepted: 11 August 2023 | Published: 20 October 2023
Copyright: © 2023 The Author(s). Published by IMR Press.
This is an open access article under the CC BY 4.0 license.
Abstract

Background: In the past 10 years, significant progress has been made in understanding the pathogenic chain of events that causes Alzheimer’s disease (AD). According to the most widely accepted concept, the production and aggregation of β-amyloid (Aβ) peptides play a critical role in AD. As a result, therapeutic intervention with these processes is the focus of intense research. The Aβ peptide is cleaved by the α-secretase, β-secretase, and γ-secretase enzymes in a region near the pathogenic amyloid precursor protein (APP) and mutations occurring site. Methods: In the current review, a complete picture of the risk factors behind AD has been investigated. Mutations involved in AD progression have also been screened in various studies. Results: Most of the mutations in the amyloid precursor protein (APP) can lead to the accumulation of APP oligomers in the brain, leading to AD. Several point mutations in APP can cause familial AD (FAD), including the Swedish mutation (K>M670/671N>L) and the A673>V mutation. The pathogenic A673>V mutation and Swedish mutation (M670>K/N671>L) are present in the same region of amyloid precursor protein (APP). However, the A673>T mutation has been shown to confer protection against AD. Conclusion: More investigations are needed from geographically distinct regions on mutations associated with AD development and applications of nanomedicines for better management of the disease burden in the future. Nanotechnology-produced metal nanoparticles (NPs) have gotten much attention because of their wide range of uses in the medicinal and agricultural industries. Nanomedicine containing potential phytochemicals, including GX-50 and curcumin conjugated with NPs, maybe a potential candidate for treating AD.

Keywords
Alzheimer's disease
mutations
APP
tau
nanoparticles
Figures
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