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JYP · Lens · Molecular Docking and Prediction of Pharmacokinetic Properties of Dual Mechanism Drugs that Block MAO-B and Adenosine A2A Receptors for the Treatment of Parkinson’s Disease

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Article · Volume 4, Issue 3 · pp. 184–192

Molecular Docking and Prediction of Pharmacokinetic Properties of Dual Mechanism Drugs that Block MAO-B and Adenosine A2A Receptors for the Treatment of Parkinson’s Disease

Faizul Azam1, Arwa M. Madi2, Hamed I. Ali3

  1. 1Department of Pharmaceutical Chemistry, NIMS Institute of Pharmacy, NIMS University, Jaipur, Rajasthan, INDIA.
  2. 2Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Misurata University, Misurata, LIBYA.
  3. 3Department of Pharmaceutical Chemistry, Helwan University, Ain Helwan, Cairo, EGYPT.

Abstract

Monoamine oxidase B (MAO-B) inhibitory potential of adenosine A2 receptor (AAR) antagonists has raised the possibility of designing dual-target-directed drugs that may provide enhanced symptomatic relief and that may also slow the progression of Parkinson's disease (PD) by protecting against further neurodegeneration. To explain the dual inhibition of MAO-B and AAR at the molecular level, molecular docking technique was employed. Lamarckian genetic algorithm methodology was used for flexible ligand docking studies. A good correlation (R2 = 0.524 and 0.627 for MAO-B and AAR, respectively) was established between docking predicted and experimental K, values, which confirms that the molecular docking approach is reliable to study the mechanism of dual interaction of caffeinyl analogs with MAO-B and AA, R. Parameters for Lipinski's "Rule-of-Five" were also calculated to estimate the pharmacokinetic properties of dual-target-directed drugs where both MAO-B inhibition and AAAR antagonism exhibited a positive correlation with calculated LogPhaving a correlation coefficient R² of 0.535 and 0.607, respectively. These results provide some beneficial clues in structural modification for designing new inhibitors as dual-target-directed drugs with desired pharmacokinetic properties for the treatment of PD.

Keywords: Adenosine A2 antagonist; docking; dual-target-directed drugs; monoamine oxidase B

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