tokens: NF-kappaB plays a critical role in activation of HIV-1 gene expression by cytokines and other stimuli , but the signal transduction pathways that regulate the switch from latent to productive infection have not been defined .
folded_tokens: nf-kappab play a critical role in activation of hiv-1 gene expression by cytokine and other stimulus , but the signal transduction pathway that regulate the switch from latent to productive infection have not be define .