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.

 High constitutive expression of the IFNgamma - inducible genes , IFN - stimulated gene factor 3 gamma subunit ( ISGF3gamma ) , IFN regulatory factor - 1 ( IRF - 1 ) , and the cyclin - dependent kinase inhibitor p21 ( WAF1 ) was found in FANCC mutant B lymphoblasts , low - density bone marrow cells , and murine embryonic fibroblasts .
IRF - 1