OUP-186 is a high affinity and human rat species-selective antagonist of histamine H3 receptor. OUP-186 suppressed the proliferation of breast cancer cells. The IC50 values at 48 hours for OUP-186 was approximately 50 μM. OUP-186 potently induced cell dea
1-Methyl-4-imidazoleacetic acid (MIMA) is a stable metabolite of histamine that is produced by the oxidation of the primary metabolite, N-methylhistamine. Urinary levels of MIMA are commonly measured to evaluate histamine secretion, particularly in the context of systemic mastocytosis.