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.

 To determine the presence and potential role of BCL - 6 mutations in cHD , the 5 ' - noncoding BCL - 6 proportion of single Hodgkin and Reed - Sternberg ( HRS ) cells from 6 cases of cHD and 6 cases of HD - derived cell lines was analyzed .
BCL - 6

 Suppression of macrophage antimicrobial activity should thus be considered when treating patients with glucocorticoids ; its prevention by gamma - interferon might be beneficial for some but not all pathogens .
gamma - interferon

 Physiologic concentrations of 1 , 25 - ( OH ) 2D3 ( 0 . 01 to 0 . 1 nm ) inhibited the antigen - induced secretion of IL 2 by several of these T cell hybridomas .

IL 2