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.

 Constitutive transcription of CIITA from promoter III having been observed in unrelated melanoma cell lines , we propose the hypothesis that this phenomenon might not be a random event , but could be linked to the neoplasic state of the melanoma cells
promoter III

 Regulation of adhesion molecule expression and function by reactive oxygen species via specific redox sensitive mechanisms have been reported .
adhesion molecule

 Appropriate sized transcripts were detected in both cultured and fresh peripheral lymphocytes for CYP11A , CYP17 , HSD11L ( 11beta - hydroxysteroid dehydrogenase I ) , HSD17B1 ( 17beta - hydroxysteroid dehydrogenase type I ) and SRD5A1 ( 5alpha - reductase I ) .

5alpha - reductase