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]:  [ 3H ] cortivazol : a unique high affinity ligand for the glucocorticoid receptor .
[EX A]: glucocorticoid receptor

[EX Q]:  The signals regulating bcl - 6 expression are not known .
[EX A]: bcl - 6

[EX Q]:  However , it remains unclear whether GATA - 3 plays a role in the effector phase of allergic airway inflammation and whether antagonizing the expression and / or function of GATA - 3 can be used for the therapy of allergic airway inflammation and hyperresponsiveness .
[EX A]:
GATA - 3