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 relationship between human immunodeficiency virus type 1 ( HIV - 1 ) infection and the induction of NF - kappa B binding activity was examined in a myeloid cell model of HIV - 1 infection derived from the PLB - 985 cell line .
[EX A]: HIV - 1

[EX Q]:  T - cell - mediated regulation of osteoclastogenesis by signalling cross - talk between RANKL and IFN - gamma .
[EX A]: IFN - gamma

[EX Q]:  Activation of signal transduction and apoptosis in healthy lymphomonocytes exposed to bystander HIV - 1 - infected cells .
[EX A]:
HIV - 1