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.

[Q]:  Thymocytes and T cells from IkappaBalpha ( DeltaN ) transgenic mice expressed normal levels of IL - 2R subunits .
[A]: IL - 2R


[Q]:  At 1 . 25 micromol / L , sulfasalazine largely inhibited NF - kB activation in dendritic cells .
[A]: NF - kB


[Q]:  However , the molecular mechanisms regulating SDF1 alpha - driven cell migration are not well defined .
[A]:
SDF1 alpha


