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 Input:
Therapeutic concentrations of glucocorticoids suppress the antimicrobial activity of human macrophages without impairing their responsiveness to gamma interferon .

Ex Output:
gamma interferon

Ex Input:
[ Glucocorticoid receptor level in the blood leukocytes in different acute diseases ]

Ex Output:
Glucocorticoid receptor

Ex Input:
These findings provide unprecedented experimental evidence that BTK plays a nonredundant and pivotal role in B cell antigen receptor - mediated STAT5A activation in B cells

Ex Output:
antigen receptor