Ligand based 3D-QSAR model, pharmacophore, molecular docking and ADME to identify potential fibroblast growth factor

Lu Huang1, Xulong Wu2, Xiaoli Fu1

  • 1College of Life Sciences, Sichuan Agricultural University, Ya'an, China.

Insights

Researchers identified novel FGFR1 inhibitors for cancer treatment using computational methods. This study combined 3D-QSAR, pharmacophore modeling, and molecular docking to discover new drug candidates targeting FGFR1, a key factor in tumorigenesis.

Area of Science:

  • Oncology
  • Medicinal Chemistry
  • Computational Biology

Background:

  • The Fibroblast Growth Factor/Fibroblast Growth Factor Receptor (FGF/FGFR) signaling pathway plays a crucial role in cell growth and differentiation.
  • Aberrant FGFR1 expression is implicated in various cancers, making it a promising therapeutic target.
  • Understanding the FGF/FGFR system's role in the tumor microenvironment is vital for developing effective cancer treatments.

Purpose of the Study:

  • To identify novel inhibitors of Fibroblast Growth Factor Receptor 1 (FGFR1) using a structure-based drug design approach.
  • To establish robust 3D-QSAR and pharmacophore models for predicting FGFR1 inhibitor activity.
  • To screen and validate potential FGFR1 inhibitors with favorable drug-like properties.

Main Methods:

  • Collected 48 known FGFR1 inhibitors to build 3D-QSAR and pharmacophore models.
  • Utilized Accelrys Discovery Studio 2016 for virtual screening of the ZINC database.
  • Applied Lipinski's Rule of Five and SMART filtration for compound selection.
  • Performed molecular docking of potential inhibitors against FGFR1 protein crystals.
  • Assessed Absorption, Distribution, Metabolism, and Excretion (ADME) and toxicity profiles.

Main Results:

  • Developed and validated 3D-QSAR and pharmacophore models to understand structure-activity relationships.
  • Successfully screened the ZINC database, identifying compounds with predicted activity < 1 μM.
  • Molecular docking revealed interactions between screened compounds and FGFR1.
  • Identified a novel compound with a unique structural scaffold with potential therapeutic effects.

Conclusions:

  • The study successfully identified potential FGFR1 inhibitors through integrated computational strategies.
  • The developed models provide a foundation for further optimization of FGFR1-targeted cancer therapies.
  • The novel compound identified warrants further investigation for its therapeutic efficacy in cancer treatment.