RELA and central nervous system cancer: Next, we overexpressed NFкB (RelA) by co-transfection of RelA vector [NFкB (RelA) transcription factor- cDNA cloned in eBABE vector] and it transcriptional activator, IKBK construct (IKK/NFкB kinase- cDNA cloned in eBABE vector) (constructs were kindly gifted by Dr. Soumen Basak, NII, New-Delhi) in glioma cells.