AMI-1 is a potent and selective, cell-permeable and reversible inhibitor of protein arginine N-methyltransferases (PRMTs), with IC50 values of 8.8 μM and 3.0 μM for human PRMT1 and yeast-Hmt1p, respectively. AMI-1 is also a potent scavenger of NADPH-oxidase-derived superoxide. AMI-1 specifically inhibits arginine, but not lysine, methyltransferase activity in vitro and does not compete for the AdoMet binding site. AMI-1 inhibits methylation of GFP-Npl3 and cellular proteins.
In vivo, AMI-1 (5 μg/rat) in chronic AIPI rats ameliorates COX2 expression and asthmatic indexes, and decreases the airway and alveoli lesions, mucus secretion, and collagen deposition in lungs.
|Solubility (25°C)||DMSO 45 mg/mL
Water 10 mg/mL
Powder -20°C 3 years ; 4°C 2 years
In solvent -80°C 6 months ; -20°C 1 month
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
 Baolai Zhang, et al. Oncol Lett. Arginine methyltransferase inhibitor-1 inhibits sarcoma viability in vitro and in vivo
 Baolai Zhang, et al. Oncotarget. Targeting protein arginine methyltransferase 5 inhibits colorectal cancer growth by decreasing arginine methylation of eIF4E and FGFR3
 Qingzhu Sun, et al. J Immunol. PRMT1 Upregulated by Epithelial Proinflammatory Cytokines Participates in COX2 Expression in Fibroblasts and Chronic Antigen-Induced Pulmonary Inflammation
 Donghang Cheng, et al. J Biol Chem. Small molecule regulators of protein arginine methyltransferases
|Related PRMTs Products|
GSK3368715 2HCl is a novel potent, orally active, reversible type I protein arginine methyltransferases (PRMTs) inhibitor, with IC50 values of 3.1 nM, 48 nM, 1148 nM, 5.7 nM and 1.7 nM for PRMT1, PRMT3, PRMT4, PRMT6, PRMT8, respectively.
HLCL-61 hydrochloride is a potent and selective, first-in-class protein arginine methyltransferase 5 (PRMT5) inhibitor.
MS049 is a potent and selective inhibitor of PRMT4,6 with IC50 values of 34 nM and 43 nM, respectively.
GSK3326595 is a potent, selective, reversible inhibitor of protein arginine methyltransferase 5 (PRMT5) with an IC50 of 6.2 nM.
MS023 is a potent and selective, cell-active inhibitor of type I PRMTs with IC50s of 4-119 nM.
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