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.

Q:  MATERIALS AND METHODS : We screened a panel of acute myeloid leukemia - derived cell lines for TNF - alpha - responsiveness .

A: TNF - alpha
****
Q:  We propose that this increase in glucocorticoid receptors during the cell cycle may explain the increase in glucocorticoid receptors in mitogen - stimulated lymphocytes .

A: glucocorticoid receptors
****
Q:  Significant proliferative responses to IRBP were elicited by 48 hours indicating that systemic priming of naive T cells to retinal antigen had occurred .

A:
retinal antigen
****