SLC51A Knockout Huh-7 Cell Line

The choice depends on whether you are studying SLC51A (OSTα)'s role in bile acid efflux as part of the OSTα/OSTβ heterodimer or its broader functions in steroid and drug efflux. The Knockout line is the standard tool for asking whether OSTα is required for these transport activities — OSTα requires heterodimerization with OSTβ (SLC51B) for functional transport activity. Overexpression is useful for transport activity assays, but requires OSTβ co-expression for functional surface expression. For bile acid transport research, the EDITGENE SLC51A Knockout in Huh-7 is particularly relevant — Huh-7 supports hepatocyte-relevant bile acid handling studies, and OSTα/OSTβ functions as the basolateral bile acid efflux transporter in enterocytes and cholangiocytes. OSTα mutations cause chronic liver disease in some clinical contexts. Rescue with wild-type or transport-deficient OSTα, with confirmation of OSTβ partnership, is the standard approach for mechanistic studies.

Primary applications: • Bile acid efflux: efflux assays for ³H-taurocholate, ³H-glycocholate, or other bile acid species to assess OSTα/OSTβ heterodimer activity. • OSTα/OSTβ heterodimer studies: confirmation of OSTβ (SLC51B) co-expression — OSTα activity requires this partnership. • Enterohepatic circulation modeling: study of basolateral bile acid efflux in hepatocyte-derived contexts. • Drug transport studies: assessment of OSTα/OSTβ's reported role in efflux of certain drugs and steroid conjugates. EDITGENE recommends this model for researchers investigating bile acid transport, enterohepatic circulation, and OSTα/OSTβ biology.

Yes. OSTα rescue experiments require attention to OSTβ partnership requirements: • Construct design: use a codon-modified SLC51A sequence with a small C-terminal tag (FLAG, HA). OSTα has 7 transmembrane domains; transmembrane topology must be preserved. • OSTβ co-expression: OSTα requires OSTβ (SLC51B) for functional surface expression as the OSTα/OSTβ heterodimer — rescue lines should be characterized for OSTβ expression, or OSTβ co-rescue may be needed. • Transport-deficient rescue: substrate-binding mutations enable distinguishing efflux activity from heterodimer assembly functions. • Functional readout: rescue should restore bile acid efflux activity in the OSTα/OSTβ heterodimer-dependent context. Huh-7 transduces efficiently with lentivirus and is a hepatocyte-derived background appropriate for bile acid transport studies.