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.

[Q]:  This model of acute monarticular arthritis is particularly suitable for further investigations into cell - mediated immunity in arthritis and the role of IL - 1 .
[A]: IL - 1


[Q]:  Previous studies indicated that aspirin ( acetylsalicylic acid [ ASA ] ) can have profound immunomodulatory effects by regulating cytokine gene expression in several types of cells .
[A]: cytokine gene


[Q]:  PLB - IIIB cells displayed a constitutive NF - kappa B - like binding activity that was distinct from that induced by tumor necrosis factor alpha or phorbol 12 - myristate 13 - acetate treatment of the parental PLB - 985 cell line .
[A]:
tumor necrosis factor