Anti-neuroinflammatory effect of aurantiamide acetate from the marine fungus Aspergillus sp. SF-5921: inhibition of NF-κB and MAPK pathways in lipopolysaccharide-induced mouse BV2 microglial cells.

Abstract:

:In the course of a search for anti-neuroinflammatory metabolites from marine fungi, aurantiamide acetate (1) was isolated from marine-derived Aspergillus sp. as an anti-neuroinflammatory component. Compound 1 dose-dependently inhibited the production of nitric oxide (NO) and prostaglandin E2 (PGE2) in BV2 microglial cells. It also attenuated inducible NO synthase (iNOS), cyclooxygenase-2 (COX-2), and other pro-inflammatory cytokines, such as interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α). In a further study designed to elucidate the mechanism of its anti-neuroinflammatory effect, compound 1 was shown to block the activation of nuclear factor-kappa B (NF-κB) in lipopolysaccharide (LPS)-induced BV2 microglial cells by inhibiting the phosphorylation of the inhibitor kappa B-α (IκB)-α. In addition, compound 1 decreased the phosphorylation levels of c-Jun N-terminal kinase (JNK) and p38 mitogen-activated protein kinases (MAPKs). These results suggest that compound 1 has an anti-neuroinflammatory effect on LPS stimulation through its inhibition of the NF-κB, JNK and p38 pathways.

journal_name

Int Immunopharmacol

authors

Yoon CS,Kim DC,Lee DS,Kim KS,Ko W,Sohn JH,Yim JH,Kim YC,Oh H

doi

10.1016/j.intimp.2014.10.006

subject

Has Abstract

pub_date

2014-12-01 00:00:00

pages

568-74

issue

2

eissn

1567-5769

issn

1878-1705

pii

S1567-5769(14)00388-9

journal_volume

23

pub_type

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