You will be given a definition of a task first, then some input of the task.
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.

Activation of FasL occurs via the NFAT - dependent induction of Egr3 , as demonstrated by the ability of exogenously provided NFATp to restore Egr - dependent FasL promoter activity in DKO lymph node cells .
Output:
FasL promoter