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Biochem Pharmacol. 2006 Oct 30;72(9):1153-60. Epub 2006 Sep 11.

NF-kappaB and inflammation in genetic disease.

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INSERM U697, Pavillon Bazin, Hôpital Saint-Louis, 1, Avenue Claude Vellefaux, 75010 Paris, France.


By responding to pro-inflammatory cytokines, such as IL-1beta and TNF-alpha, and controlling itself the expression of numerous mediators of inflammation, NF-kappaB plays a pivotal role in controlling the proper sequence of events characterizing the inflammation process. Although excessive NF-kappaB activation is often associated with inflammatory signs in many different tissues, impaired NF-kappaB activation can also generate inflammation. This is the case in humans suffering from the genetic disease incontinentia pigmenti that exhibit severe skin inflammation. Identifying the molecular basis of this pathology, mutations affecting the gene coding for NEMO, has allowed production of mouse models for investigating the disease. Their characterization supports the view that a very tight positive and negative regulation of the NF-kappaB signaling pathway is required in vivo to ensure not only a fine-tuned response to injury or infection but also to maintain tissue homeostasis.

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