ExpressPlus OCT1 Substrate Assessment in OCT1-Transfected CellsExpressPlus OCT1 Substrate Assessment in OCT1-Transfected Cells This assay uses OCT1-transfected HEK293 cells to assess whether the test compound is a potential substrate of the hepatic uptake transporter OCT1 Catalog number EA281 1. Required from Customer 2. Deliverables 3. Substrate 4. Assay System 5. Assay Conditions 6. Batch QC 7. Options The customer can request: 8. Notes