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]:  The beta - catenin - - TCF - 1 pathway ensures CD4 ( + ) CD8 ( + ) thymocyte survival .
[EX A]: TCF - 1

[EX Q]:  We conclude that Hip is not a component of the assembly machinery but that it could play a regulatory role in opposition to BAG - 1 .
[EX A]: BAG - 1

[EX Q]:  The AHR mediates the IL - 2 induction as shown with AHR - deficient mice .
[EX A]:
IL - 2