𝔖 Bobbio Scriptorium
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NF-κB in liver diseases: a target for drug therapy

✍ Scribed by Pablo Muriel

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
231 KB
Volume
29
Category
Article
ISSN
0260-437X

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✦ Synopsis

Abstract

There are five nuclear factor‐__κ__B (NF‐__κ__B) transcription factors with important roles in innate immunity, liver inflammation, fibrosis and apoptosis prevention. Several inhibitors of NF‐__κ__B, like caffeic acid, captopril, curcumin, pyrrolidine dithiocarbamate, resveratrol, silymarin and thalidomide, have demonstrated antinecrotic, anticholestatic, antifibrotic and anticancer activities in the liver. A link between inflammation and hepatocellular carcinoma through the NF‐__κ__B pathway has been observed, providing ample experimental support for the tumor‐promoting function of NF‐__κ__B in various models of cancer. NF‐__κ__B has been associated with the induction of proinflammatory gene expression and has attracted interest as a target for the treatment of inflammatory disease. However, despite much attention being focused on the deleterious effects of NF‐__κ__B, activation of this factor during the resolution of inflammation is associated with the production of antiinflammatory molecules like interleukin (IL)‐10 and the onset of apoptosis. This suggests that NF‐__κ__B has an antiinflammatory role in vivo involving the regulation of the resolution of inflammation. Also, NF‐__κ__B promotes liver regeneration by upregulating IL‐6 and other molecules like hepatocyte growth factor. It has been postulated that the beneficial properties of NF‐__κ__B are due to p50 homodimers, whose activation prevents cholestatic and chronic liver injury. More basic understanding on the function of the diverse NF‐__κ__B factors is urgently needed in different physiological and pathological conditions, because depending on the subunit composition of the dimmer, the disease and the stage of the illness, inhibition of the factor may result in a beneficial or in a deleterious response. Copyright © 2008 John Wiley & Sons, Ltd.

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