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Mol Biol Rep. 2014 May;41(5):2827-34. doi: 10.1007/s11033-014-3137-2. Epub 2014 Jan 29.

Anti-inflammatuar and anti-oxidative effects of Nigella sativa L.: 18FDG-PET imaging of inflammation.

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1
Department of Nuclear Medicine, Medical Faculty, Eskisehir Osmangazi University, Eskisehir, Turkey.

Abstract

Inflammation has an important role in many diseases such as cystic fibrosis, allergies and cancer. The free radicals produced during inflammation, can induce gene mutations and posttranslational modifications of cancer related proteins. Nigella sativa L. (N. sativa) is herbaceous plant and commonly used as a natural food. It has many pharmacological effects including antibacterial, antifungal, antitumor, analgesic, antipyretic activity. The aim of this study was to investigate the anti-inflammatuar and anti-oxidant activity of N. sativa in acute inflammation. Thus we used the experimental lipopolysaccharides (LPS)-induced model. Intraperitoneal LPS 1 mg/kg was administered to groups. N. sativa (500 mg/kg) and essential oil (5 ml/kg) were given orally to treatment groups, after 24-h of intraperitoneal LPS-injection. To determine the lung inflammation, 18F-fluoro-deoxy-D-glucose (0.8 ml/kg) was administrated under the anesthesia before the 1 h of PET-scanning. After the FDG-PET, samples were collected. Lung and liver 18F-FDG-uptake was calculated. Serum AST, ALT, LDH and hcCRP levels were determined and liver, lung and erythrocyte SOD, MDA and CAT levels were measured. Liver and lung NO and DNA fragmentation levels were determined. MDA levels were decreased in treated inflammation groups whereas increased in untreated inflammation group. SOD and CAT activities in untreated inflammation group were significantly lower. According to the control group, increased AST and ALT levels were found in untreated inflammation group. 18F-FDG uptake of inflammation groups were increased when compare the control group. We found increased 18F-FDG uptake, DNA fragmentation and NO levels in LPS-induced inflammation groups. We conclude that, in LPS-induced inflammation, N. sativa have therapeutic and anti-oxidant effects.

PMID:
24474661
DOI:
10.1007/s11033-014-3137-2
[Indexed for MEDLINE]
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