期刊
PHYTOMEDICINE
卷 122, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.phymed.2023.155150
关键词
Amyloid beta; Autophagy; Nanotherapeutics; Neuroinflammation; Neurofibrillary tangles; Phytocompounds; Tau protein
This study introduces a customized engineering and designing approach for novel nanotherapeutics, which involves the use of polymeric nanoparticles loaded with specific phytocompounds and coated with an antibody targeting the transferrin receptor. This approach aims to effectively tackle AD-related neuroinflammation by crossing the Blood-Brain Barrier and interacting with target molecules within the brain.
Background: Alzheimer's disease (AD) is characterized by neuroinflammation linked to amyloid beta (A beta) aggregation and phosphorylated tau (tau) protein in neurofibrillary tangles (NFTs). Key elements in A beta production and NFT assembly, like gamma-secretase and p38 mitogen-activated protein kinase (p38MAPK), contribute to neuroinflammation. In addition, impaired proteosomal and autophagic pathways increase A beta and tau aggregation, leading to neuronal damage. Conventional neuroinflammation drugs have limitations due to unidirectional therapeutic approaches and challenges in crossing the Blood-Brain Barrier (BBB). Clinical trials for non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutics remain uncertain. Novel strategies addressing the complex pathogenesis and BBB translocation are needed to effectively tackle AD-related neuroinflammation. Purpose: The current scenario demands for a much-sophisticated theranostic measures which could be achieved via customized engineering and designing of novel nanotherapeutics. As, these therapeutics functions as a double edge sword, having the efficiency of unambiguous targeting, multiple drug delivery and ability to cross BBB proficiently. Methods: Inclusion criteria involve selecting recent, English-language studies from the past decade (2013-2023) that explore the regulation of neuroinflammation in neuroinflammation, Alzheimer's disease, amyloid beta, tau protein, nanoparticles, autophagy, and phytocompounds. Various study types, including clinical trials, experiments, and reviews, were considered. Exclusion criteria comprised non-relevant publication types, studies unrelated to Alzheimer's disease or phytocompounds, those with methodological flaws, duplicates, and studies with inaccessible data. Results: In this study, polymeric nanoparticles loaded with specific phytocompounds and coated with an antibody targeting the transferrin receptor (anti-TfR) present on BBB. Thereafter, the engineered nanoparticles with the ability to efficiently traverse the BBB and interact with target molecules within the brain, could induce autophagy, a cellular process crucial for neuronal health, and exhibit potent anti-inflammatory effects. Henceforth, the proposed combination of desired phytocompounds, polymeric nanoparticles, and anti-TfR coating presents a promising approach for targeted drug delivery to the brain, with potential implications in neuroinflammatory conditions such as Alzheimer's disease.
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