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Alzheimer's disease (AD) is a progressive neurodegenerative disorder that is identified by the gradual decline in memory and cognitive function. It is classified by the deposition of Aβ plaques, the build-up of intracellular neurofibrillary tangle and neuron loss. Neurotrophic factors play critical role in the treatment of Alzheimer's disease. However, the utilization of such neurotrophins has encountered certain difficulties and side effects. Novel technological advancements prioritize innovative dipeptides usage, which offer fewer side effects. The present study endeavors to analyze the compound hexamethylenediamide bis-(N-monosuccinyl-glutamyl-lysine) (Lab name: H-MGL), a newly discovered neurotrophin mimetic dipeptide, with the aim of alleviating memory impairment in an intracerebroventricular single dose streptozotocin (STZ)-induced Alzheimer model in rats. We arranged 4 groups consist of sham, groups receiving STZ and STZ+H-MGL (1 and 2mg/kg). The H-MGL was administered consecutively for 14 days following STZ injection subsequently, the Morris Water Maze test was performed. The findings suggest that administration of STZ caused significantly increment in mean escape latency and mean traveled distance in acquisition days. H-MGL at a dosage of 1mg/kg failed to yield any notable improvement in rats when compared to STZ. By contrast, a dosage of 2mg/kg of H-MGL led to a significant decrease in the latency to first platform crossing and frequency of platform crossings. Consequently, the aforementioned findings have engendered the notion that H-MGL partially ameliorate cognitive impairment so it may hold promise for having low side effects to alleviate cognitive deficits in Alzheimer's disease, or potentially decreases the symptoms associated with its progression.
نوع مطالعه: Original | موضوع مقاله: Behavioral Neuroscience
دریافت: 1402/3/9 | پذیرش: 1402/4/24

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