Novel quinazolin-4-one derivatives as potentiating agents of doxorubicin cytotoxicity

Bioorg Chem. 2019 Feb:82:204-210. doi: 10.1016/j.bioorg.2018.10.001. Epub 2018 Oct 6.

Abstract

We report the design, synthesis and biological evaluation of 17 novel 8-aryl-2-morpholino-3,4-dihydroquinazoline derivatives based on the standard model of DNA-PK and PI3K inhibitors. Novel compounds are sub-divided into two series where the second series of five derivatives was designed to have a better solubility profile over the first one. A combination of in vitro and in silico techniques suggested a plausible synergistic effect with doxorubicin of the most potent compound 14d on cell proliferation via DNA-PK and poly(ADP-ribose) polymerase-1 (PARP-1) inhibition, while alone having a negligible effect on cell proliferation.

Keywords: Cancer; Chemosensitization; DNA-dependent protein kinase; NU7441; Phosphatidylinositol 3-kinase; Poly(ADP-ribose) polymerase-1.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Animals, Outbred Strains
  • Antineoplastic Agents / pharmacology*
  • Apoptosis / drug effects
  • Cell Proliferation / drug effects
  • DNA-Activated Protein Kinase / antagonists & inhibitors
  • Doxorubicin / pharmacology*
  • Drug Design
  • Drug Synergism
  • Enzyme Inhibitors / chemical synthesis
  • Enzyme Inhibitors / pharmacology*
  • Enzyme Inhibitors / toxicity
  • Female
  • HT29 Cells
  • Humans
  • Mice
  • Morpholines / chemical synthesis
  • Morpholines / pharmacology*
  • Morpholines / toxicity
  • Nuclear Proteins / antagonists & inhibitors
  • Poly (ADP-Ribose) Polymerase-1 / antagonists & inhibitors
  • Quinazolinones / chemical synthesis
  • Quinazolinones / pharmacology*
  • Quinazolinones / toxicity

Substances

  • Antineoplastic Agents
  • Enzyme Inhibitors
  • Morpholines
  • Nuclear Proteins
  • Quinazolinones
  • Doxorubicin
  • PARP1 protein, human
  • Poly (ADP-Ribose) Polymerase-1
  • DNA-Activated Protein Kinase
  • PRKDC protein, human