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.

 Our data demonstrate that , in the context of this macrophage line , E12 induces expression of EBF and together these transcription factors coordinately regulate numerous B lineage - associated genes .
transcription factors

 These data further suggest that Bright may contribute to increased gene expression by remodeling the immunoglobulin locus during B cell development .
immunoglobulin locus

 In vivo control of NF - kappa B activation by I kappa B alpha .

I kappa B