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:  The staining was considered to be highly specific because it could be completely blocked by preabsorption with recombinant IFN - gamma .

A: IFN - gamma
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Q:  Glucocorticoids inhibit signal transduction through IL - 2 receptor .

A: IL - 2
****
Q:  We propose that this turnover results in the low level of active NF - kappa B presumably necessary even in the unstimulated cell , and that the high rate of synthesis of I kappa B alpha provides the ability to turn off NF - kappa B activity rapidly as soon as the activating signal ceases .

A:
I kappa B
****