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NF-κB and interleukin 1 alpha mutually induce each other in senescent cells in a positive feedback loop causing the production of senescence-associated secretory phenotype (SASP) factors. [93] NF-κB and the NAD-degrading enzyme CD38 also mutually induce each other. [94] NF-κB is a central component of the cellular response to damage. [95]
NF-κB has been detected in numerous cell types that express cytokines, chemokines, growth factors, cell adhesion molecules, and some acute phase proteins in health and in various disease states. NF-κB is activated by a wide variety of stimuli such as cytokines, oxidant-free radicals, inhaled particles, ultraviolet irradiation, and bacterial ...
NFKBIE is able to inhibit NF-κB-directed transactivation via cytoplasmic retention of REL proteins. [6] NFKB1 or NFKB2 is bound to REL, RELA, or RELB to form the NF-κB transcription factor complex. The NF-κB complex is inhibited by I-kappa-B proteins (NFKBIA or NFKBIB), which inactivate NF-kappa-B by trapping it in the cytoplasm.
The 105 kD protein is a Rel protein-specific transcription inhibitor and the 50 kD protein is a DNA binding subunit of the NF-kappaB protein complex. NF-κB is a transcription factor that is activated by various intra- and extra-cellular stimuli such as cytokines, oxidant-free radicals, ultraviolet irradiation, and bacterial or viral products ...
RELA is one member of the NF-κB family, one of the essential transcription factors under intensive study. Seven proteins encoded by five genes are involved in the NF-κB complex, namely p105, p100, p50, p52, RELA, c-REL and RELB. [10]
IκBα inhibits NF-κB by masking the nuclear localization signals (NLS) of NF-κB proteins and keeping them sequestered in an inactive state in the cytoplasm. [5] In addition, IκBα blocks the ability of NF-κB transcription factors to bind to DNA, which is required for NF-κB's proper functioning.
56480 Ensembl ENSG00000183735 ENSMUSG00000020115 UniProt Q9UHD2 Q9WUN2 RefSeq (mRNA) NM_013254 NM_019786 RefSeq (protein) NP_037386 NP_062760 Location (UCSC) Chr 12: 64.45 – 64.5 Mb Chr 10: 121.38 – 121.42 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse TBK1 (TANK-binding kinase 1) is an enzyme with kinase activity. Specifically, it is a serine / threonine protein kinase. It is ...
The IκB kinase enzyme complex is part of the upstream NF-κB signal transduction cascade. The IκBα (inhibitor of nuclear factor kappa B) protein inactivates the NF-κB transcription factor by masking the nuclear localization signals (NLS) of NF-κB proteins and keeping them sequestered in an inactive state in the cytoplasm.