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]:  Similarly , A / R - induced E - selectin expression and neutrophil - endothelial cell adhesion were blocked by inhibition of PKC or PTK , while only PTK inhibited the redox - induced adhesion response .
[EX A]: E - selectin

[EX Q]:  Functional and physical interaction of protein - tyrosine kinases Fyn and Csk in the T - cell signaling system .
[EX A]:
tyrosine kinases