RN-1 (dihydrochloride)

RN-1 dihydrochloride is a potent, brain-penetrant, irreversible and selective lysine-specific demethylase 1 (LSD1) inhibitor with an IC₅₀ of 70 nM. RN-1 dihydrochloride exhibits selectivity for LSD1 over MAO-A and MAO-B with IC₅₀ values of 0.51 μM and 2.785 μM respectively^[1][2]. IC50 & Target: IC50: 70 nM (LSD1), 0.51 μM (MAO-A) and 2.785 μM (MAO-B)^[1] In Vitro: RN-1 dihydrochloride shows cytotoxic for ovarian cancer cells (SKOV3, OVCAR3, A2780 and cisplatin-resistant A2780cis), with IC50 values of ≈100-200 μM^[3]. In Vivo: RN-1 (3-10 mg/kg; i.p.; daily; for 2 or 4 consecutive weeks) dihydrochloride effectively induces fetal hemoglobin (HbF) levels in red blood cells and reduces disease pathology in SCD mice^[2].
In C57BL/6 male mice, after intraperitoneal administration of RN-1 dihydrochloride (10 mg/kg), concentrations are detectable up to 24 h post dose in both plasma and brain tissues. The brain/plasma exposure ratio is 88.9. RN-1 dihydrochloride significantly impairs long-term memory, but not short-term memory^[1].