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.

[EX Q]:  In conclusion , ( 1 ) somatic BCL - 6 mutations are restricted to cHD cases of B - cell origin , and ( 2 ) the BCL - 6 mutations represent mostly irrelevant somatic base substitutions without consequences for BCL - 6 protein expression and the pathogenesis of cHD .
[EX A]: BCL - 6

[EX Q]:  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 .
[EX A]: gamma - interferon

[EX Q]:  We find that the alternatively spliced E12 and E47 bHLH proteins of the E2A gene play similar and additive roles in supporting B lymphopoiesis .
[EX A]:
E2A gene