instruction:
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.
question:
 Under the same conditions , Lck did not stimulate IL - 2 promoter unless it was activated by mutation .
answer:
IL - 2


question:
 Nevertheless , inhibitors of these pathways clearly reduced the TNF - alpha - induced cell growth , indicating that TNF - alpha - proliferative cells produced a growth factor that induced proliferation upon stimulation of the above pathways .
answer:
TNF - alpha


question:
 Data obtained with the use of antiglucocorticoids and the anti - CBG antibody are compatible with a role both of high - affinity glucocorticoid receptors and of CBG in mediating cortisol action on the human NK cell activity .
answer:

glucocorticoid receptors