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Immunomodulatory Properties of Farnesoids: The New Steroids?

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Farnesylthiosalisylic acid (FTS) is a potent non-toxic anticancer drug that targets oncogenic and pathologically activated Ras. The mechanism of action of FTS is well understood. It interferes with the binding of activated Ras proteins to their escort chaperons and with Ras tethering to the plasma membrane. This agent has been evaluated successfully in phase II clinical trials of pancreatic and lung cancer patients. It is generally agreed that Ras proteins play an important role in cancer, but they also drive activation of the immune system. Therefore we hypothesized that inhibiting Ras might be beneficial in autoimmune and inflammatory conditions. Over the past decade we have extensively studied the effects of FTS in multiple animal models of such diseases. We were able to show potent anti-inflammatory properties of FTS in autoimmune disease models such as systemic lupus erythematous, antiphospholipd syndrome, Guillain-Barre syndrome, multiple sclerosis, and inflammatory bowel diseases. Its potential was also shown in type I and type II diabetes. Animal models of contact dermatitis, allergic inflammation, and proliferative nephritis were studied as well. We have also investigated the molecular mechanisms, signaling pathways, and inflammatory mediators underlying these conditions. In this review we summarize our (and others) published data, and conclude that FTS has great potential as a safe anti-inflammatory drug.
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Keywords: Farnesylthiosalisylic acid; autoimmunity; inflammation

Document Type: Research Article

Publication date: 01 April 2013

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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