Abstract Title:

Beneficial effect of lupeol and metformin in mouse model of intracerebroventricular streptozotocin induced dementia.

Abstract Source:

Metab Brain Dis. 2024 Jun ;39(5):661-678. Epub 2024 Jun 6. PMID: 38842663

Abstract Author(s):

Khagesh Ram, Kuldeep Kumar, Dhandeep Singh, Dimple Chopra, Vasudevan Mani, Amteshwar Singh Jaggi, Nirmal Singh

Article Affiliation:

Khagesh Ram


This study examines the effectiveness of lupeol and metformin in a mouse model of dementia generated by intracerebroventricular streptozotocin (i.c.v., STZ). Dementia was induced in Swiss mice with the i.c.v. administration of STZ at a dosage of 3 mg/kg on the first and third day. The assessment of dementia involved an examination of the Morris Water Maze (MWM) performance, as well as a number of biochemical and histological studies. STZ treatment resulted in significant decrease in MWM performance; various biochemical alterations (increase in brain acetyl cholinesterase (AChE) activity, thiobarbituric acid reactive species (TBARS), nitrite/nitrate, and reduction in nuclear factor erythroid 2 related factor-2 (Nrf-2), reduced glutathione (GSH) levels) and neuroinflammation [increased myeloperoxidase (MPO) activity&neutrophil infiltration]. The administration of Lupeol (50 mg/kg&100 mg/kg; p.o.) and Metformin (150 mg/kg&300 mg/kg; p.o.) demonstrated a considerable reduction in the behavioral, biochemical, and histological alterations produced by STZ. Low dose combination of lupeol (50 mg/kg; p.o.) and Metformin (150 mg/kg; p.o.) produced more pronounced effect than that of high doses of either agent alone. It is concluded that Lupeol and Metformin has shown efficacy in dementia with possible synergism between the two and can be explored as potential therapeutic agents for managing dementia of Alzheimer's disease (AD) type.

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