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:  In this study , we investigated a possible link between Ii - dependent B cell maturation and the NF - kappaB pathway .

SOLUTION: NF - kappaB

PROBLEM:  Functional characterization of the two alternative promoters of human p45 NF - E2 gene .

SOLUTION: alternative promoters

PROBLEM:  The characteristics of these two factors are consistent with their involvement in GM - CSF induction .

SOLUTION:
GM - CSF