{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T09:58:48Z","timestamp":1789639128811,"version":"4.0.0"},"reference-count":40,"publisher":"SAGE Publications","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAD"],"published-print":{"date-parts":[[2023,8,1]]},"abstract":"<jats:p>Background: Alzheimer\u2019s disease (AD) is the most common type of dementia. The drugs introduced for this disease have many side effects and limitations in use, so the production of a suitable herbal medicine to cure AD patients is essential. Objective: The aim of this research is to make a magnetic neuropeptide nano shuttle as a targeted carrier for the transfer of quercetin to the brains of AD model rats. Methods: In this work, a magnetic quercetin-neuropeptide nanocomposite (MQNPN) was fabricated and administered to the rat\u2019s brain by the shuttle drug of the Margatoxin scorpion venom neuropeptide, and will be a prospect for targeted drug delivery in AD. The MQNPN has been characterized by FTIR, spectroscopy, FE-SEM, XRD, and VSM. Investigations into the efficacy of MQNPN, MTT, and real Time PCR for MAPT and APP genes expression were performed. After 7 days treatment with Fe3O4 (Ctr) and MQNPN treatment in AD rat, superoxide dismutase activity and quercetin in blood serum and brain was detected. Hematoxylin-Eosin staining was applied for histopathological analysis. Results: Analysis of data showed that MQNPN increased the activity of superoxide dismutase. The histopathology results of the hippocampal region of AD rats also confirmed their improvement after treatment with MQNPN. MQNPN treatment caused a significant decrease in the relative expression of MAPT and APP genes. Conclusion: MQNPN is a suitable carrier for the transfer of quercetin to the rat hippocampus, and has a significant effect in reducing AD symptoms in terms of histopathology, behavioral testing, and changing the expression of AD-related genes.<\/jats:p>","DOI":"10.3233\/jad-221095","type":"journal-article","created":{"date-parts":[[2023,6,30]],"date-time":"2023-06-30T11:19:52Z","timestamp":1688123992000},"page":"1145-1155","source":"Crossref","is-referenced-by-count":10,"title":["Synthesis of Novel Magnetic Quercetin-Neuropeptide Nanocomposite as a Smart Nano-Drug Shuttle System: Investigation of Its Effect on Behavior, Histopathological Characteristics, and Expression of MAPT and APP Genes in Alzheimer\u2019s Disease Rats"],"prefix":"10.1177","volume":"94","author":[{"given":"Kamelia","family":"Mobasheri","sequence":"first","affiliation":[{"name":"Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, 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