1229
HTLV-I Tax expression leads to the constitutive nuclear expression of biologically active NF-kappa B and c-Rel complexes ; however, the biochemical mechanism (s) underlying this response remains poorly understood.
 ( protein: HTLV-I Tax, None) , ( protein: c-Rel complexes, None) , ( protein: Tax, None) , ( protein: NF-kappa B, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: HTLV-I Tax, None) , ( protein: c-Rel complexes, None) , ( protein: Tax, None) , ( protein: NF-kappa B, None) 