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Effects on inflammatory responses by the sphingoid base 4,8-sphingadienine

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Sphingolipids (SLs) are a class of lipids, which are structural cell components involved in the regulation of cellular processes such as cell proliferation, differentiation, apoptosis and inflammation. Dietary SLs are enzymatically hydrolyzed in the gut lumen into metabolites, namely ceramides and sphingoid bases. The sphingoid base 4,8-sphingadienine (4,8-SD) is the metabolite of glucocerebrosides derived from plants that are part of the human diet. The present findings provide insight into the effects of 4,8-SD on inflammatory responses that may be of nutritional and therapeutic benefit. We demonstrated that 4,8-SD significantly inhibited tumor necrosis factor-α (TNF-α)- and lipopolysaccharide (LPS)-induced expression of IL-8 and E-selectin in human endothelial cells in a dose-dependent manner. The anti-inflammatory effect was observed at significantly lower concentrations of 4,8-SD compared those affecting cell viability as judged by the LDH and WST-1 assays.
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Document Type: Research Article

Affiliations: 1: Department of Pharmacognosy, University of Vienna, A-1090 Vienna, Austria 2: Department of Vascular Biology and Thrombosis Research, Center for Biomolecular Medicine and Pharmacology, Medical University of Vienna, A-1090 Vienna, Austria 3: Institute of Clinical Pathology, Medical University of Vienna, A-1090 Vienna, Austria

Publication date: January 1, 2012

More about this publication?
  • The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.

    The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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