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.

Content of glucocorticoid receptors in cytosol of blood leukocytes , concentration of cortisol and amount of leukocytes in blood were studied in 20 patients with acute impairments within the second day of the disease .
glucocorticoid receptors