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Screening for uptake of PAS by cells overexpressing SLC transporters. PAS (100 μM) uptake by stably transfected HEK cells overexpressing SLC transporters and mock-infected cells (control) was tested. Data are presented as the mean ± SDs from three or more independent experiments. Significant differences compared with the percent uptake for the control (mock-transfected cells) are indicated. **, P > 0.01; ***, P > 0.001.
