Return to homeostasis: downregulation of NF-κB responses

Abstract

Activation of NF-κB transcription factors by receptors of the innate or adaptive immune system is essential for host defense. However, after danger is eliminated, NF-κB signaling needs to be tightly downregulated for the maintenance of tissue homeostasis. This review highlights key negative regulatory principles that affect the amount, localization or conformational properties of NF-κB-activating proteins to attenuate the NF-κB response. These mechanisms are needed to prevent inflammation, autoimmune disease and oncogenesis.

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Figure 1: IκBα- and A20-dependent negative feedback loops in the canonical NF-κB pathway.
Figure 2: Dominant-negative adaptors.
Figure 3: Interference with NF-κB function in the nucleus.
Figure 4: Negative regulation of alternative NF-κB signaling.

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Supported by the Deutsche Forschungsgemeinschaft (Sonderforschungsbereich grants).

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Ruland, J. Return to homeostasis: downregulation of NF-κB responses. Nat Immunol 12, 709–714 (2011). https://doi.org/10.1038/ni.2055

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