CAY10722 is an inhibitor of sirtuin 3 (SIRT3), a class III HDAC (71% inhibition at 200 μM). SIRT3 is involved in modulating metabolic homeostasis as a NAD+-dependent protein deacetylase in the mitochondria. SIRT3 functions as either an oncogene or tumor suppressor, depending on cancer cell type. High SIRT3 expression in patient-derived esophageal cancer tissues is associated with shorter survival and, in mice, downregulation leads to a lower tumor load. In contrast, low SIRT3 expression in patient-derived breast cancer cells is correlated with shorter survival.
CAY10721 is an inhibitor of sirtuin 3 (SIRT3), a class III HDAC (39% SIRT3 inhibition at 200 μM). Upregulation of SIRT3 transcription is associated with oral squamous cell carcinoma (OSCC) and breast cancer with lymph node involvement, while SIRT3 down-regulation inhibits the growth of OSCC cells and sensitizes them to radiation and chemotherapy.
Alaproclate is a selective serotonin reuptake inhibitor (SSRI).1,2 It inhibits depletion of serotonin (5-HT) induced by 4-methyl-α-ethyl-m-tyramine in rat cerebral cortex, hippocampus, hypothalamus, and striatum (EC50s = 18, 4, 8, and 12 mg kg, respectively).1 Alaproclate inhibits NMDA-evoked currents and depolarization-induced voltage-dependent potassium currents in rat hippocampal neurons (IC50s = 1.1 and 6.9 μM, respectively) and does not inhibit GABA-evoked currents when used at concentrations up to 100 μM.2 It increases sirtuin 1 (SIRT1) levels in N2a murine neuroblastoma cells expressing apolipoprotein E4 (ApoE4; IC50 = 2.3 μM) and in the hippocampus in the FXFAD-ApoE4 transgenic mouse model of Alzheimer's disease when administered at a dose of 20 mg kg twice daily.3 Alaproclate (40 mg kg) decreases immobility time in the forced swim test in rats, indicating antidepressant-like activity.4References1. Michael, G.B., Eidam, C., Kadlec, K., et al. Increased MICs of gamithromycin and tildipirosin in the presence of the genes erm(42) and msr(E)-mph(E) for bovine Pasteurella multocida and Mannheimia haemolytica. Journal of Antimicrobial Chemotherapy 67(6), 1555-1557 (2012).2. Svensson, B.E., Werkman, T.R., and Rogawski, M.A. Alaproclate effects on voltage-dependent K+ channels and NMDA receptors: Studies in cultured rat hippocampal neurons and fibroblast cells transformed with Kv1.2 K+ channel cDNA. Neuropharmacology 33(6), 795-804 (1994).3. Campagna, J., Soilman, P., Jagodzinska, B., et al. A small molecule ApoE4-targeted therapeutic candidate that normalizes sirtuin 1 levels and improves cognition in an Alzheimer's disease mouse model. Sci. Rep. 8(1), 17574 (2018).4. Danysz, W.P., A., Kostowski, W., Malatynska, E., et al. Comparison of desipramine, amitriptyline, zimeldine and alaproclate in six animal models used to investigate antidepressant drugs. Pharmacol. Toxicol. 62(1), 42-50 (1988). Alaproclate is a selective serotonin reuptake inhibitor (SSRI).1,2 It inhibits depletion of serotonin (5-HT) induced by 4-methyl-α-ethyl-m-tyramine in rat cerebral cortex, hippocampus, hypothalamus, and striatum (EC50s = 18, 4, 8, and 12 mg kg, respectively).1 Alaproclate inhibits NMDA-evoked currents and depolarization-induced voltage-dependent potassium currents in rat hippocampal neurons (IC50s = 1.1 and 6.9 μM, respectively) and does not inhibit GABA-evoked currents when used at concentrations up to 100 μM.2 It increases sirtuin 1 (SIRT1) levels in N2a murine neuroblastoma cells expressing apolipoprotein E4 (ApoE4; IC50 = 2.3 μM) and in the hippocampus in the FXFAD-ApoE4 transgenic mouse model of Alzheimer's disease when administered at a dose of 20 mg kg twice daily.3 Alaproclate (40 mg kg) decreases immobility time in the forced swim test in rats, indicating antidepressant-like activity.4 References1. Michael, G.B., Eidam, C., Kadlec, K., et al. Increased MICs of gamithromycin and tildipirosin in the presence of the genes erm(42) and msr(E)-mph(E) for bovine Pasteurella multocida and Mannheimia haemolytica. Journal of Antimicrobial Chemotherapy 67(6), 1555-1557 (2012).2. Svensson, B.E., Werkman, T.R., and Rogawski, M.A. Alaproclate effects on voltage-dependent K+ channels and NMDA receptors: Studies in cultured rat hippocampal neurons and fibroblast cells transformed with Kv1.2 K+ channel cDNA. Neuropharmacology 33(6), 795-804 (1994).3. Campagna, J., Soilman, P., Jagodzinska, B., et al. A small molecule ApoE4-targeted therapeutic candidate that normalizes sirtuin 1 levels and improves cognition in an Alzheimer's disease mouse model. Sci. Rep. 8(1), 17574 (2018).4. Danysz, W.P., A., Kostowski, W., Malatynska, E., et al. Comparison of desipramine, amitriptyline, zimeldine and alaproclate in six animal models used to investigate antidepressant drugs. Pharmacol. Toxicol. 62(1), 42-50 (1988).