Naturally occurring antioxidant nutrients reduce inflammatory response in mice.

Abstract:

:The effects of mixed dietary coenzyme Q(9), alpha-tocopherol, and beta-carotene on immune cell activity and blood cytokine profile were studied in peritoneal macrophages, spleen lymphocytes, and blood plasma from mice with acute inflammation induced by lipopolysaccharide (LPS). The activity of each fat-soluble antioxidant was also investigated separately in several model systems, both in vivo and in vitro. NMRI male mice were fed a diet supplemented with fat-soluble antioxidants for 15 days prior to LPS injection. LPS-induced inflammation resulted in induction of cellular production of pro-inflammatory cytokines such as TNF-alpha, IL-1alpha, IL-1beta, IL-2, IL-6, IFN-gamma, and also IL-10, an anti-inflammatory cytokine, and subsequent accumulation of these cytokines in blood plasma. In animals fed the antioxidant-rich diet, the inflammatory response to LPS injection was significantly reduced. The production of anti-inflammatory cytokine IL-10 in response to toxic stress and its accumulation in plasma were not modified by the diet. In addition, the expression of the inducible form of heat-shock protein 70 in mice treated with endotoxin was reduced in the animals pretreated with the antioxidant-rich diet. We showed that the diet suppressed phosphorylation of NF-kappaB, I kappaB kinase and SAPK/JNK proteins, thereby preventing the activation of the NF-kappaB kinase and SAPK/JNK signaling pathways in LPS-treated mice. In this report we demonstrate the potential effectiveness of naturally occurring antioxidant nutrients in the reduction of the inflammatory response. Therefore, it may be possible to develop novel therapeutic combinations, containing coenzyme Q(9), alpha-tocopherol, and beta-carotene, which promote immune stimulation.

journal_name

Eur J Pharmacol

authors

Novoselova EG,Lunin SM,Novoselova TV,Khrenov MO,Glushkova OV,Avkhacheva NV,Safronova VG,Fesenko EE

doi

10.1016/j.ejphar.2009.05.004

subject

Has Abstract

pub_date

2009-08-01 00:00:00

pages

234-40

issue

1-3

eissn

0014-2999

issn

1879-0712

pii

S0014-2999(09)00467-1

journal_volume

615

pub_type

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