Histamine H3 assay (GDH32)
Type of assay | Biochemical |
Receptor: | Human histamine H3 |
Expression system: | Transient transfection of HEK-293T |
Radiotracer: | 0.1 nM [35S]GTPγS |
Experiment settings: | - 8 concentrations of test compounds, each in triplicate – total reaction volume of 100 µL – 1 µM histamine (only for antagonism) – incubation at RT for 1 hours |
Read-out: | Scintillation counting, converted in dpm unit |
Reference agonist: | Histamine (EC50 = 54 nM) Thioperamide (IC50 = 292 nM at 1 µM histamine) |
Z’ factor | >0.5 |