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Abstract Title:

Chrysin loaded lipid-core nanocapsules ameliorates neurobehavioral alterations induced byβ-amyloidin aged female mice.

Abstract Source:

Behav Brain Res. 2020 Jul 15 ;390:112696. Epub 2020 May 15. PMID: 32417280

Abstract Author(s):

Renata Giacomeli, Marcelo Gomes de Gomes, Jéssica Brandão Reolon, Sandra Elisa Haas, Letícia Marques Colomé, Cristiano Ricardo Jesse

Article Affiliation:

Renata Giacomeli

Abstract:

Alzheimer's disease (AD) is a neurodegenerative disorder characterized by a clinically and progressive loss of cognitive function, neuropsychiatric and behavioral disorders. Some studies showed that chrysin has antioxidant and anti-inflammatory properties. However, your bioavailability is relatively low. Therefore, the present study was designed to investigate the effects of chrysin loaded lipid-core nanocapsules (LNCs) on neurochemical and behavioral changes in a model of AD induced byβ-amyloid(Aβ) peptide in aged female mice. For this purpose, aged female mice received free chrysin (FC) (5 mg/kg, per oral, p.o.) or chrysin loaded LNCs (C1-LNC and C5-LNC) (1 or 5 mg/kg, p.o.) for 14 days after Aβadministration (400 pmol, i.c.v.). Aβinduced significant impairments on memory and learning (morris water maze task, object recognition and step-down-type passive avoidance), also caused oxidative stress, reduced the levels of brain-derived neurotrophic factor (BDNF), increased neuroinflammation in prefrontal cortex and hippocampus of aged animals. Thus, C1-LNC and C5-LNC displayed significant effect against Aβ₁₄via attenuation of oxidative stress and neuroinflammation, modulation of neurochemical and behavioral changes in a model of AD. These results point to chrysin loaded LNCs (mainly C5-LNC) can be a promising biomedical tool and a new therapeutic approach for treatment and prevention of AD.

Study Type : Animal Study

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