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.

[EX Q]:  15 - Deoxy - Delta ( 12 , 14 ) - PGJ ( 2 ) ( 15d - PGJ ( 2 ) ) , a PPAR - gamma agonist , has a dose - dependent antiproliferative and cytotoxic effect on normal and malignant B cells as shown by [ ( 3 ) H ] thymidine and 3 - [ 4 , 5 - dimethylthiazol - 2 - yl ] - 2 , 5 - diphenyltetrazolium bromide assays .
[EX A]: PPAR - gamma

[EX Q]:  To examine the effect of glucocorticoid deficiency on the glucocorticoid receptor , we examine the binding of [ 3H ] dexamethasone to lymphocytes in normal subjects and patients with adrenal insufficiency before and after glucocorticoid replacement therapy .
[EX A]: glucocorticoid receptor

[EX Q]:  To directly examine the effect of 1 , 25 - ( OH ) 2D3 on T cell activation in the absence of other complicating interactions , we utilized a panel of cloned Ia - restricted T cell hybridomas that secrete IL 2 on activation by cloned Ia - bearing stimulator cells ( TA3 ) or when stimulated by mitogen .
[EX A]:
IL 2