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]:  We have explored the possibility of using antibodies against purified rat liver glucocorticoid receptors to study the immunochemical properties of glucocorticoid receptors from murine and human malignant lymphocytes .
[A]: glucocorticoid receptors


[Q]:  TRAIL expression on immature CD34DCs or MoDCs was greatly up - regulated after IFN - beta stimulation .
[A]: IFN - beta


[Q]:  Congenital immunodeficiencies associated with absence of HLA class II antigens on lymphocytes result from distinct mutations in trans - acting factors .
[A]:
class II antigens