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:  Under the same conditions , Lck did not stimulate IL - 2 promoter unless it was activated by mutation .

SOLUTION: IL - 2

PROBLEM:  The carboxy terminus of LMP1 is also a reliable marker for individual EBV strain identification and thus offers new possibilities in tracing the molecular events leading to posttransplant lymphoproliferative disorders ( PTLDs ) .

SOLUTION: carboxy terminus

PROBLEM:  Taken together , our results indicate the involvement of PI 3 - kinase in at least two distinct signaling pathways leading to activation of NF - kappaB in B cells .

SOLUTION:
NF - kappaB