Synonyms
c-Rel; NF-κB2 (p52 and its precursor p100); Nuclear factor κB; NF-κB1 (p50 and its precursor p105); RelA (p65); RelB
Definition
NF-κB is a dimeric transcription factor complex active throughout all cell types. It is present in the cytoplasm in an inactive state, can rapidly be activated in response to various stimuli, and subsequently translocates to the nucleus. NF-κB has a pivotal role in the control of proliferation and apoptosis. Increased NF-κB activity has been shown to contribute to tumorigenesis. Furthermore, it has important functions in both innate and adaptive immune responses.
The NF-κB Transcription Factors
The NF-κB activity was identified more than 25 years ago by defining a nuclear factor that binds DNA sequences in the immunoglobulin κ-light chain region in activated B cells (Sen and Baltimore 1986). This factor was shown to be preexisting in an inactive state in cells and was readily activated by a variety of stimuli. There are five NF-κB family members,...
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Edelmann, S., Heissmeyer, V. (2014). NF-κB. In: Mackay, I.R., Rose, N.R., Diamond, B., Davidson, A. (eds) Encyclopedia of Medical Immunology. Springer, New York, NY. https://doi.org/10.1007/978-0-387-84828-0_42
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