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.

Here we show that glucocorticoid - induced inhibition of interleukin - 2 mRNA expression in activated normal T cells required new protein synthesis , suggesting that this phenomenon is secondary to expression of glucocorticoid - regulated genes .
interleukin - 2