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ADL5859是δ-阿片受体选择性激动剂,Ki为0.8 nM,对hERG有弱抑制性。A selective receptor agonist for the δ-opioid receptor
Information
ADL5859 HCl is aδ-opioid receptoragonist withKiof 0.8 nM, selectivity against opioid receptor κ, μ, and weak inhibitory activity at the hERG channel. Phase 2.
In vitro
ADL5859 agonizes δ-opioid receptor with a 1000-fold selectivity than µ- or κ-opioid receptor with Ki of 32 nM and 37 nM, respectively.ADL5859 displays weak inhibitory activity at the hERG channel with an IC50 of 78 μM. The EC50 of ADL5859 against δ opioid receptor is 20 nM.
In vivo
At the screening dose of 3 mg/kg p.o., ADL5859 produces 100% reversal of hyperalgesia in the inflamed paw. The oral ED50 of ADL5859 in the FCA mechanical hyperalgesia assay is 1.4 mg/kg. The antihyperalgesia produced by ADL5859 (3 mg/kg, p.o.) is reversed by pretreatment with the δ opioid antagonist naltrindole (0.3 mg/kg s.c.), thus demonstrating a δ receptor mediated effect.In the rat forced swim assay, ADL5859 (3 mg/kg p.o.) produces robust antidepressant-like activity, as evidenced by a significant decrease in the time spent immobile and a significant increase in the time spent swimming. The bioavailability of ADL5859 (3 mg/kg p.o.) in rats and dogs is 33% and 66%, respectively.ADL5859 efficiently reduces inflammatory and neuropathic pain mainly by recruiting δ-opioid receptors expressed by peripheral Nav1.8-expressing neurons.
Cell Data
cell lines:
Concentrations:0 nM-10 nM
Incubation Time:60 minutes
Powder Purity:≥99%