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.

 The relative volume of the tubulointerstitium was measured by an image analyzer ; deposition of collagen types III and IV and monocyte / macrophage infiltration were histologically examined using specific antibodies .
specific antibodies

 Partial inhibition of p50 and p105 expression by NF - kappa B1 antisense oligonucleotides significantly reduced T - cell proliferation and CD25 / IL - 2R alpha cell surface expression .
IL - 2R

 These observations together with those from other studies indicate that formation of new glucocorticoid receptors near the S phase may be a general phenomenon in proliferating cells .

glucocorticoid receptors