In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

[EX Q]:  The results suggest that M . tuberculosis can upregulate HIV - 1 expression in T cells and could thus have the potential to influence the pathogenesis of HIV - 1 infection .
[EX A]: HIV - 1

[EX Q]:  A series of transient transfections performed with human IL - 3 - chloramphenicol acetyltransferase ( CAT ) reporter plasmids in T and non - T cells revealed that a plasmid containing 319 bp of 5 ' flanking sequences was active exclusively in T cells .
[EX A]: IL - 3

[EX Q]:  Interestingly , we demonstrated that stimulation by tumor cells was required to trigger the inhibitory effect of p58 on the lytic activity of antigen - specific CTLs and that stimulation of the inhibitory function of p58 by tumor cells correlated with an inhibition of nuclear factor - kappaB activation in p58 + tumor - specific CTLS .
[EX A]:
nuclear factor