Nuclear factor kappa B DNA consensus sequence (NF-κB consensus sequence) (NF-κB consensus sequence)

The Nuclear factor kappa B (NF-κB) DNA consensus sequence is a specific 10-base pair genomic motif, typically represented as 5'-GGGRNNYYCC-3', found in the regulatory regions of genes involved in immunity and cell survival (Source: PubMed ID: 11244031). This sequence acts as the primary binding site for NF-κB transcription factor dimers, which are activated in response to stimuli like TNF-alpha, IL-1, or lipopolysaccharides (Source: Wikipedia). Once bound, NF-κB triggers the expression of a wide array of genes that drive inflammation, immune cell activation, and anti-apoptotic pathways (Source: Nat Rev Immunol). In many diseases, including chronic inflammation and cancer, the interaction between NF-κB and these DNA sequences is pathologically upregulated, leading to tissue damage or tumor progression (Source: NIH). Therapeutic intervention targeting these sequences often employs "decoy" oligonucleotides—synthetic DNA fragments that mimic the consensus sequence to sequester NF-κB proteins and prevent them from reaching the genome (Source: PubMed ID: 15123778). This strategy effectively silences the transcription of pro-inflammatory and pro-survival genes, offering a targeted approach to treating conditions like atopic dermatitis and rheumatoid arthritis (Source: AnGes MG).

Other names

κB siteNF-kappaB binding siteNF-κB response elementNFKB consensus sequenceNF-kappaB DNA binding motif

Competitive inhibition of transcription factor binding via decoy oligonucleotides