Molecular modelling guided design, synthesis and QSAR analysis of new small molecule non-lipid autotaxin inhibitors

Souvik Banerjee1, Derek D Norman2, Shanshan Deng3

  • 1Department of Physical Sciences, University of Arkansas Fort Smith, Fort Smith, AR 72913, USA; Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA; Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163, USA.

Bioorganic Chemistry
|September 5, 2020
PubMed

Insights

Researchers developed novel dual inhibitors targeting autotaxin (ATX) and lysophosphatidic acid receptor 1 (LPAR1) to combat cancer cell invasion. Two compounds effectively inhibited ATX, showing promise for future drug development.

Area of Science:

  • Medicinal Chemistry
  • Oncology
  • Biochemistry

Background:

  • Autotaxin (ATX) generates lysophosphatidic acid (LPA), which drives cancer cell motility and invasion via G-protein coupled receptors (GPCRs).
  • Targeting ATX and its receptors is a promising strategy for cancer therapy.

Purpose of the Study:

  • To design and synthesize novel dual inhibitors of autotaxin (ATX) and lysophosphatidic acid receptor 1 (LPAR1).
  • To evaluate the inhibitory activity and drug-like properties of newly synthesized compounds.

Main Methods:

  • Molecular docking guided design and synthesis of novel compounds.
  • Biological evaluation including enzyme inhibition assays and assessment of water solubility.
  • Quantitative Structure-Activity Relationship (QSAR) modeling.

Main Results:

  • Two novel compounds, 10 and 11, were identified as potent autotaxin (ATX) enzyme inhibitors (218-220 nM).
  • These compounds exhibited good water solubility (>100 µg/mL).
  • No inhibitory activity against lysophosphatidic acid receptor 1 (LPAR1) was observed for these compounds.

Conclusions:

  • Compounds 10 and 11 represent new, potent, and soluble ATX inhibitors.
  • A QSAR model was developed, demonstrating excellent predictability for future ATX inhibitor drug design.
  • This work provides a foundation for developing novel cancer therapeutics targeting the ATX pathway.