TASK DEFINITION: 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.
PROBLEM:  Macrophage stimulation with Murabutide , an HIV - suppressive muramyl peptide derivative , selectively activates extracellular signal - regulated kinases 1 and 2 , C / EBPbeta and STAT1 : role of CD14 and Toll - like receptors 2 and 4 .

SOLUTION: C / EBPbeta

PROBLEM:  Inclusion of the sequences between - 4 and + 52 enhanced promoter activity ; this was primarily because of an Sp1 recognition site at + 9 / + 15 .

SOLUTION: Sp1 recognition site

PROBLEM:  PCNSL associated frequently ( 50 . 0 % ) with mutations of BCL - 6 5 ' noncoding regions , which are regarded as a marker of B - cell transition through the germinal center ( GC ) .

SOLUTION:
BCL - 6