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编 号:F758431
分子式:C13H17FNO5PS
分子量:349.31
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Lesogaberan (AZD-3355) napadisylate is a potent and selective GABAB receptor agonist with an EC50 of 8.6 nM for human recombinant GABAB receptors. The affinity (Kis) of Lesogaberan napadisylate for rat GABAB and GABAA receptors, as measured by displacement of [3H]GABA binding in brain membranes: 5.1 nM and 1.4 μM, respectively. Lesogaberan napadisylate inhibits transient lower esophageal sphincter relaxation through a peripheral mode of action.

体内研究:
Lesogaberan (AZD3355) potently stimulates recombinant human GABAB receptors and inhibits transient lower esophageal sphincter relaxation (TLESR) in dogs, with a biphasic dose-response curve.Oral Lesogaberan (0.08?mg/mL; 48 hours) protects human islet β-cells from apoptosis in islet grafts in mice. Lesogaberan (7 μmol/kg) shows high oral availability (88% in the dog and 100% in the rat) and relatively low systemic clearance in female SpragueDawley rats.Animal Model:Diabetic NOD/scid mice were implanted with human islets
Dosage:0.08?mg/mL
Administration:Oral feeding; 48 hours
Result:Significantly reduced the percentages of apoptotic islet cells and increased the frequency of insulin+ β-cells in human islet grafts.
Animal Model:Female Sprague Dawley rats
Dosage:7 μmol/kg (Pharmacokinetic Analysis)
Administration:Oral
Result:High oral availability (88% in the dog and 100% in the rat) and relatively low systemic clearance. Plasma protein binding was 1% in rat and human plasma.

体外研究:
Lesogaberan (3-30 nM) enhances human islet cell proliferation in vitro.
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