SLC22A9 Knockout Huh-7 Cell Line

The choice depends on whether you are studying SLC22A9 (OAT7)'s role as a hepatocyte-specific organic anion transporter or its emerging functions in bile acid sulfate and drug uptake. The Knockout line is the standard tool for asking whether OAT7 is required for cellular uptake of its substrates — OAT7 is principally expressed in liver and transports sulfated steroids, bile acid sulfates, and butyrate. Overexpression is useful for substrate scope characterization and drug-substrate interaction studies. For OAT family research, the EDITGENE OAT7 Knockout in Huh-7 is particularly relevant — Huh-7 is a hepatocellular line and OAT7 is liver-specific within the OAT family. Rescue with wild-type or transport-deficient OAT7 enables structure-function studies. The knockout serves as a specificity control for organic anion drug interaction studies in hepatic contexts.

Primary applications: • Sulfated steroid uptake: estrone-3-sulfate, DHEA-S, and other sulfated steroid transport assays. • Bile acid sulfate transport: assessment of OAT7's role in hepatic bile acid sulfate handling. • Butyrate transport: short-chain fatty acid uptake studies given OAT7's reported butyrate handling. • Drug-transporter interactions: assessment of clinical drug substrates that interact with hepatic OAT7. EDITGENE recommends this model for researchers investigating hepatic organic anion transport, bile acid biology, and OAT family pharmacology.

Yes. OAT7 rescue experiments require attention to hepatocyte-specific function: • Construct design: use a codon-modified SLC22A9 sequence with a small C-terminal tag (FLAG, HA). OAT7 has 12 transmembrane domains in the canonical SLC22 architecture. • Surface localization validation: confirm plasma membrane localization before transport assays. • Transport-deficient rescue: substrate-binding pocket mutations enable structure-function studies. • Functional readout: rescue should restore sulfated steroid and bile acid sulfate uptake activities. Huh-7 transduces efficiently with lentivirus and supports stable rescue line generation in a hepatic context.