ArticleNoro psikiyatri arsivi2022
Donepezil-loaded PLGA-b-PEG Nanoparticles Enhance the Learning and Memory Function of Beta-Amyloid Rat Model of Alzheimer's Disease.
Article in Noro psikiyatri arsivi, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 12 citations in OpenAlex.
- Chrono-Nanomedicine at the Barrier: Circadian Rhythms Influence the Delivery of Donepezil Across the BCSFB.International journal of molecular sciences · 2026Article
- Advances in Strategies to Transport Nanoparticles Across the Blood-Brain Barrier for Drug Delivery into the Brain for the Treatment of Alzheimer's Disease.Pharmaceuticals (Basel, Switzerland) · 2026Review
- Modulation of experimental Alzheimer's disease in rats through donepezil-loaded CSF implant.Scientific reports · 2025Article
- Pharmaceutical Formulations and Analytical Methods of Donepezil.AAPS PharmSciTech · 2025Review
- Nanocarrier-based targeted drug delivery for Alzheimer's disease: addressing neuroinflammation and enhancing clinical translation.Frontiers in pharmacology · 2025Review
- Advance Nanotechnology-Based Drug Delivery Systems for Alzheimer's Disease: Advancements and Future Perspectives.Current Alzheimer research · 2025Review
- Potential Applications of Natural Components of Traditional Chinese Medicine Delivery via Nanoparticle Drug Delivery Systems in the Treatment of Alzheimer's Disease.International journal of nanomedicine · 2025Review
- Photobiomodulation in Alzheimer's Disease-A Complementary Method to State-of-the-Art Pharmaceutical Formulations and Nanomedicine?Pharmaceutics · 2023Review
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: Our aim is to reduce the side effects and increase the efficiency of donepezil by formulating donepezil-loaded poly(lactic-co-glycolic acid)-block-poly(ethylene glycol) nanoparticles (NPs) directly targeting amyloid beta (Aβ) fibrils in the brain and evaluate behavioral changes in this fibril model of AD. Methods: AD model was developed by intracerebroventricular injection of pre-aggregated β25-35 fibrils. Rats were intravenously administered either solvent, donepezil-loaded NPs (15µg/kg) or free donepezil (1mg/kg) 3 times for a week except for naïve controls. The effect of treatments on anxiety, motor functions, and cognitive functions was tested by elevated plus maze, locomotor activity, novel object recognition, and Morris's water maze tests, respectively. Results: Accumulation of Aβ25-35 fibrils in brain sections was confirmed. Anxiety-like behavior was observed in the Aβ Alzheimer and free donepezil treatment groups while donepezil-loaded NP treatment showed hypo-anxiety-like behavior. Donepezil-loaded NPs were successful in treatment of short-term memory deficit better than free donepezil injection. In Morris's water maze, both donepezil-loaded NPs and free donepezil groups found the platform in shorter time compared to Aβ Alzheimer group. In locomotor activity test, both donepezil treated groups moved less than the Aβ Alzheimer group and naïve controls. After the pharmacological experiments, acetylcholinesterase activity was determined and showed an increase in Aβ Alzheimer group compared to controls. Donepezil-loaded NPs inhibited the acetylcholinesterase activity more efficiently than the free donepezil group. Conclusion: Targeting with donepezil-loaded PLGA-b-PEG-NPs increases efficiency, helps to inhibit acetylcholinesterase activity more substantially, improves cognitive decline due to its longer duration of action and destabilizing effect on amyloid fibrils.
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