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.

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

Example Input:  In addition a comparative analysis of the hemopoietic stem cell and precursor compartment resulting from the two Ikaros mutations reveals a profound yet not absolute requirement for Ikaros in the production and differentiation of these populations .
Example Output: Ikaros mutations

Example Input:  Together , these results suggest that activated human T cells , whether lupus - derived or normal - derived , contain biologically active ERalpha proteins .
Example Output:
ERalpha proteins