... 1162–1168.13 Nakayama M, Takahashi K, Kitamuro T, YasumotoK, Katayose D, Shirato K, Fujii-Kuriyama Y & Shiba-hara S (2000) Repression of heme oxygenase-1 byhypoxia in vascular endothelial cells. ... Kolpakov FA et al. (1998) Databases ontranscriptional regulation: TRANSFAC, TRRD andCOMPEL. Nucleic Acids Res 26, 362–367.47 Takahashi S, Takahashi Y, Ito K, Nagano T,Shibahara S & Miura T ... HepG2 and HeLa cellswere cultured for 48 h under normoxia or hypoxia, and then harves-ted. The microsome fraction was prepared and used for the assay of HO activity. The data are means ± SEM of...