Antagonist activity at rat OX2 receptor assessed as inhibition of Ala-6,12 orexin-A-induced calcium increase preincubated for 5 mins prior to Ala-6,12 orexin-A addition measured at 1 sec intervals for 1 min by Fluo-4AM dye-based FLIPR assay
Antagonist activity at rat OX1 receptor assessed as inhibition of Ala-6,12 orexin-A-induced calcium increase preincubated for 5 mins prior to Ala-6,12 orexin-A addition measured at 1 sec intervals for 1 min by Fluo-4AM dye-based FLIPR assay
Displacement of (2S)-N-(2-phenylphenyl)-1-[2-[1-(tritritiomethyl)benzimidazol-2-yl]sulfanylacetyl]pyrrolidine-2-carboxamide from human OX1 receptor Ile408-Val mutant expressed on CHO cell membrane measured after 3 hrs by TopCount method
Displacement of (2S)-N-(2-pyrrol-1-ylphenyl)-1-[2-[1-(tritritiomethyl)benzimidazol-2-yl]sulfanylacetyl]pyrrolidine-2-carboxamide from human OX2 receptor expressed on CHO cell membrane measured after 3 hrs by TopCount method
Selectivity index, ratio of Ki for human OX2 receptor expressed on CHO cell membrane to Ki for Ile408-Val variant human OX1 receptor expressed on CHO cell membrane
Antagonist activity at human OX1 receptor Ile408-Val mutant expressed on CHO cell membrane assessed as inhibition of Ala-6,12 orexin-A-induced calcium increase preincubated for 5 mins prior to Ala-6,12 orexin-A addition measured at 1 sec intervals for 1 min by Fluo-4AM dye-based FLIPR assay
Antagonist activity at human OX2 receptor expressed on CHO cell membrane assessed as inhibition of Ala-6,12 orexin-A-induced calcium increase preincubated for 5 mins prior to Ala-6,12 orexin-A addition measured at 1 sec intervals for 1 min by Fluo-4AM dye-based FLIPR assay
Selectivity index, ratio of IC50 for human OX2 receptor expressed in CHO cell membrane to IC50 for Ile408-Val variant human OX1 receptor expressed in CHO cell membrane