Okamoto K, Okamoto Y, Kawakubo T, Iwata J, Yasuda Y, Tsukuba T, et al. Role of the transcription factor Sp1 in regulating the expression of the murine cathepsin E gene. J Biochem. 2012;151:263-72 pubmed publisher
..In addition, overexpression of the Sp1 protein increased the expression of the CE protein. Altogether, these results suggest that Sp1 binding plays a particularly important role in the regulation of CE gene expression. ..