+ +

•  

   

     Western blot analysis using NFKBIB mouse mAb against Jurkat (1) cell lysate.    

  
  

The NFKBIB antibody is a crucial tool for studying the NF-κB signaling pathway, which regulates immune responses, inflammation, and cell survival. NFKBIB (Nuclear Factor Kappa B Inhibitor Beta), also known as IκBβ, is a member of the IκB protein family that inhibits NF-κB transcription factors by sequestering them in the cytoplasm. Upon stimuli like cytokines or stress, IκB kinases (IKK) phosphorylate NFKBIB, leading to its ubiquitination and proteasomal degradation. This releases NF-κB dimers (e.g., p50/p65) to translocate into the nucleus and activate target genes.

Antibodies targeting NFKBIB are widely used in immunoblotting (Western blot), immunofluorescence, and immunoprecipitation to detect protein expression levels, subcellular localization, and interactions under varying physiological or pathological conditions. They help elucidate NFKBIB's role in diseases such as cancer, autoimmune disorders, and neurodegenerative diseases, where dysregulated NF-κB activity is implicated. Researchers also utilize these antibodies to study post-translational modifications (e.g., phosphorylation) and regulatory mechanisms of NF-κB signaling. Commercial NFKBIB antibodies are typically raised in hosts like rabbits or mice, validated for specificity against human, mouse, or rat isoforms. Proper controls (e.g., knockout/knockdown samples) are essential to confirm antibody reliability in experimental models.