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Int Immunopharmacol ; 101(Pt A): 108287, 2021 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-34731689

RESUMO

Resveratrol has been found to exert protective effects in neurological disorders, including epilepsy. However, its poor bioavailability and difficulty in reaching the brain's targeted location reduce resveratrol's efficacy substantially. The side effects due to the higher concentration of drugs are another matter of concern. The objective of the present study is to propose solutions to these issues by encapsulating resveratrol in glutathione-coated collagen nanoparticles' core. The collagen nanoparticles increase the resveratrol's bioavailability, and glutathione helps in the passage of the encapsulated resveratrol to the target location in the brain. The concentration also substantially reduces due to resveratrol's encapsulation in glutathione-coated collagen nanoparticles. The encapsulated resveratrol is termed nanoresveratrol. The effectiveness of nanoresveratrol on epilepsy seizures was evaluated through histopathological examinations, ELISA tests, and qRT-PCR tests on the hippocampus of the kindled mice. The novelty of the present study thus lies in (i) the synthesis of nanoresveratrol using glutathione-coated collagen nanoparticles and (ii) the application of synthesized nanoresveratrol in the treatment of epilepsy. The study's outcome shows that nanoresveratrol has a favorable impact in reducing cognitive impairment in kindled mice, and it is more effective in controlling epilepsy seizures than resveratrol. The p-values of all the nanoresveratrol-given groups of mice (compared with the diseased group) were substantially smaller (∼10-4 to 10-2) than the significance level (0.05), indicating that the nanoresveratrol-given groups are significantly different from the diseased group, i.e., the nanoresveratrol has a significant effect on the mice. The concentration of resveratrol also decreases substantially in the proposed nanoformulation. It was observed that even 0.4 mg/kg of nanoformulation of resveratrol is performing better than 40 mg/kg of resveratrol.


Assuntos
Antioxidantes/administração & dosagem , Disfunção Cognitiva/tratamento farmacológico , Epilepsia/tratamento farmacológico , Sistemas de Liberação de Fármacos por Nanopartículas/química , Resveratrol/administração & dosagem , Animais , Disfunção Cognitiva/etiologia , Disfunção Cognitiva/patologia , Colágeno/química , Modelos Animais de Doenças , Epilepsia/induzido quimicamente , Epilepsia/complicações , Epilepsia/patologia , Glutationa/química , Hipocampo/efeitos dos fármacos , Hipocampo/patologia , Humanos , Masculino , Camundongos , Estresse Oxidativo/efeitos dos fármacos , Pentilenotetrazol/administração & dosagem , Pentilenotetrazol/toxicidade
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