Mangiferin regulates cognitive deficits and heme oxygenase-1 induced by lipopolysaccharide in mice.
Int Immunopharmacol
; 29(2): 950-956, 2015 Dec.
Article
em En
| MEDLINE
| ID: mdl-26558697
ABSTRACT
Accumulating evidence reveals that lipopolysaccharide (LPS) can induce neuroinflammation, ultimately leading to cognitive deficits. Mangiferin, a natural glucoxilxanthone, is known to possess various biological activities. The present study aimed to investigate the effects of mangiferin on LPS-induced cognitive deficits and explore the underlying mechanisms. Brain injury was induced in mice via intraperitoneal LPS injection (1mg/kg) for five consecutive days. Mangiferin was orally pretreatmented (50mg/kg) for seven days and then treatmented (50mg/kg) for five days after LPS injection. The Morris water maze was used to detect changes in cognitive function. Immunohistochemical and immunoblotting were respectively performed to measure the expression of interleukin-6 (IL-6) and heme oxygenase-1 (HO-1) in the hippocampus. The results showed that mangiferin can ameliorate cognitive deficits. Moreover, mangiferin decreased LPS-induced IL-6 production and increase HO-1 in the hippocampus. Taken together, these results suggest that mangiferin attenuates LPS-induced cognitive deficits, which may be potentially linked to modulating HO-1 in the hippocampus.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Lipopolissacarídeos
/
Nootrópicos
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Xantonas
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Heme Oxigenase-1
Limite:
Animals
Idioma:
En
Ano de publicação:
2015
Tipo de documento:
Article