Docking based design of diastereoisomeric MTCA as GPIIb/IIIa receptor inhibitor

Bioorg Med Chem Lett. 2017 Dec 1;27(23):5114-5118. doi: 10.1016/j.bmcl.2017.10.068. Epub 2017 Oct 28.

Abstract

In GPIIb/IIIa mediated arterial thrombosis platelet activation plays a central role. To discover platelet activation inhibitor the pharmacophores of GPIIb/IIIa receptor inhibitors and anti-thrombotic agents were analyzed. This led to the design of (1R,3S)- and (1S,3S)-1-methyl-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acids as GPIIb/IIIa inhibitors. Comparing to (1S,3S)-isomer (1R,3S)-isomer had lower cdocker interaction energy. AFM image showed that the minimal effective concentration of (1S,3S)-isomer and (1R,3S)-isomer inhibiting platelet activation were 10-5 M and 10-6 M, respectively. In vivo 1 μmol/kg of oral (1S,3S)-isomer effectively inhibited the rats to form arterial thrombus and down regulated GPIIb/IIIa expression, but the activities were significantly lower than those of 1 μmol/kg of oral (1R,3S)-isomer. Both (1S,3S)-isomer and (1R,3S)-isomer can be safely used for structural modifications, but (1R,3S)-isomer should be superior to (1S,3S)-isomer.

Keywords: Docking; GPIIb/IIIa; Inhibitor; Platelet activation; Thrombosis.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Administration, Oral
  • Animals
  • Binding Sites
  • Blood Platelets / drug effects
  • Blood Platelets / metabolism
  • Drug Design*
  • Microscopy, Atomic Force
  • Molecular Docking Simulation
  • Platelet Aggregation Inhibitors / chemistry*
  • Platelet Aggregation Inhibitors / pharmacology
  • Platelet Aggregation Inhibitors / therapeutic use
  • Platelet Glycoprotein GPIIb-IIIa Complex / antagonists & inhibitors*
  • Platelet Glycoprotein GPIIb-IIIa Complex / metabolism
  • Protein Structure, Tertiary
  • Rats
  • Stereoisomerism
  • Thermodynamics
  • Thiazoles / chemistry*
  • Thiazoles / pharmacology
  • Thiazoles / therapeutic use
  • Thrombosis / drug therapy

Substances

  • Platelet Aggregation Inhibitors
  • Platelet Glycoprotein GPIIb-IIIa Complex
  • Thiazoles
  • 2-methylthiazolidine-4-carboxylic acid