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]:  A [ 3H ] dexamethasone radioligand - binding assay was used to measure the number of glucocorticoid receptors ( GR ) and dissociation constant ( Kd ) in PBMC from normal donors and patients with SR asthma , cultured in the absence and presence of these cytokines .
[EX A]: glucocorticoid receptors

[EX Q]:  These observations suggest that PPAR - gamma agonists play an important role in regulating T cell - mediated immune responses by inducing apoptosis .
[EX A]: PPAR - gamma

[EX Q]:  Definitive hematopoiesis is restored by ectopic expression of full - length Cbfb transgenes , as well as by a transgene encoding only the heterodimerization domain of CBFbeta .
[EX A]:
heterodimerization domain