Histamine H4 assay (GDH412)
Type of assay | Biochemical |
Receptor: | Dog histamine H4 receptor |
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 – 100 nM histamine (only for antagonism) – incubation at RT for 1 hours |
Read-out: | Scintillation counting, converted in dpm unit |
Reference agonist: | Histamine (EC50 = 34 nM) Thioperamide (IC50 = 5.5 µM at 1 µM histamine) |
Z’ factor | >0.5 |