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.

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

Output: IL - 1


Input: Consider Input:  Two assays of binding were used - - an assay with intact cells in suspension or monolayers , and an assay of cytosol and nuclear forms of glucocorticoid receptors .

Output: glucocorticoid receptors


Input: Consider Input:  Together these data indicate that IFN - alpha can facilitate activation of Th1 - reactive cells in the gut and drive immunopathology .


Output: IFN - alpha