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.

 This model of acute monarticular arthritis is particularly suitable for further investigations into cell - mediated immunity in arthritis and the role of IL - 1 .
IL - 1

 Interestingly , addition of PGF ( 2alpha ) , which was not known to affect lymphocytes , dramatically attenuated the deleterious effects of PPAR - gamma agonists on B lymphomas .
PPAR - gamma

 Glucocorticoid receptors in cytosol and nuclear extract of human leukocytes .

Glucocorticoid receptors