Nov 18, 2019

Therapeutic effects of Cyperus rotundus rhizome extract on memory impairment, neurogenesis and mitochondria in beta-amyloid rat model of Alzheimer's disease

Metabolic Brain Disease
Zeinab ShakerinGholamreza Dashti


Alzheimer's disease (AD) is a progressive neurodegenerative disturbance leading to memory deficit, cognitive decline, and behavioral disturbance. Deposition of Amyloid beta plaques, neurofibrillary tangle and mitochondrial impairment are common neuropathological signs in AD. In this study, the effect of standardized Cyperus rotundus(C. rotundus) extract in three different doses of 250, 500, and 750 mg/kg on memory, neurogenesis and mitochondrial mass in the beta amyloid rat model was assessed. For this purpose, 42 male Wistar rats were randomly divided into six groups (n = 7) to evaluate baseline training performance in Morris water maze test. Amyloid beta (Aβ) was injected in animal hippocampal CA1 bilaterally in four groups. After 21 days, a decrease was observed in spending time in target quadrant in the first probe trial in Aβ injected groups. Following that, 250, 500, and 750 mg/kg of C. rotundus extracts were administered to three out of four groups for a period of one month. BrdU (Bromodeoxyuridine) was intraperitoneally injected in all groups on the last 7 days of treatment. Then, 28 days after the last BrdU injection, the second probe trial was run, and rats were sacrificed. The neurogenesis and mitochondrial distribut...Continue Reading

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Mentioned in this Paper

Laboratory Procedures
Neurofibrillary Degeneration (Morphologic Abnormality)
Memory Impairment
Injection Procedure
Alzheimer's Disease
Cyperus rotundus

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