Table 3. Hepatocyte nuclear factors are associated with Slc22 genes in silico and in vitro.

Gene	In vitro or in silico experiment
Oat1	Promoter analysis [51]
	In vitro regulation [58]
	In vitro regulation [59]
Oat3	Promoter analysis [51]
Oct1	Promoter analysis, in vitro regulation [60]

Evidence from the literature demonstrates the potential for functional regulation of the SLC22 family of genes by hepatocyte nuclear factors.