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.

 These results demonstrate that glucocorticoids inhibit preactivated T cells by down - regulating signal transduction through IL - 2R .
IL - 2R

 Activation of signal transduction and apoptosis in healthy lymphomonocytes exposed to bystander HIV - 1 - infected cells .
HIV - 1

 Elevated expression of differentiation inhibitory factor nm23 mRNA in monoblastic crisis of a patient with chronic myelogenous leukemia .

nm23 mRNA