SLC17A9 Knockout Huh-7 Cell Line

The choice depends on whether you are studying SLC17A9 (VNUT, vesicular nucleotide transporter)'s role in vesicular ATP loading and purinergic signaling or its emerging functions in metabolic disease and cancer. The Knockout line is the standard tool for asking whether VNUT is required for vesicular ATP storage — VNUT is the principal vesicular ATP transporter, essential for purinergic ATP release from many cell types. Overexpression is useful for testing ATP storage capacity or for studying VNUT trafficking. For purinergic signaling research, the EDITGENE VNUT Knockout in Huh-7 enables study of hepatic ATP release and downstream purinergic effects on insulin sensitivity and glucose metabolism. VNUT inhibitors (clodronate, others) specificity testing benefits from this knockout. Rescue with wild-type or transport-deficient VNUT enables structure-function studies. VNUT has emerging therapeutic interest in metabolic disease.

Primary applications: • Vesicular ATP storage: cellular ATP content in secretory vesicles and ATP release assays to quantify VNUT-dependent vesicular loading. • Purinergic signaling: extracellular ATP measurement following stimulation to assess VNUT-dependent ATP release. • Hepatic metabolism: glucose and insulin sensitivity studies in hepatocyte-derived context given VNUT's reported role in hepatic nucleotide release. • VNUT inhibitor specificity: clodronate specificity testing with the knockout as critical genetic control. EDITGENE recommends this model for researchers investigating vesicular nucleotide transport, purinergic signaling, and metabolic disease mechanisms.

Yes. VNUT rescue experiments require attention to vesicular targeting: • Construct design: use a codon-modified SLC17A9 sequence with a small C-terminal tag (FLAG, HA). VNUT has 12 transmembrane domains. • Vesicular localization validation: confirm secretory vesicle/lysosomal localization by imaging before functional assays. • Transport-deficient rescue: substrate-binding pocket mutations enable structure-function studies of ATP transport. • Functional readout: rescue should restore vesicular ATP storage and stimulated ATP release. Huh-7 transduces efficiently with lentivirus and supports stable rescue line generation.