Design, Synthesis, and Pharmacological Evaluation of First-in-Class Multitarget N-Acylhydrazone Derivatives as Selective HDAC6/8 and PI3Kα Inhibitors

ChemMedChem. 2020 Mar 18;15(6):539-551. doi: 10.1002/cmdc.201900716. Epub 2020 Feb 17.

Abstract

Targeting histone deacetylases (HDACs) and phosphatidylinositol 3-kinases (PI3Ks) is a very promising approach for cancer treatment. This manuscript describes the design, synthesis, in vitro pharmacological profile, and molecular modeling of a novel class of N-acylhydrazone (NAH) derivatives that act as HDAC6/8 and PI3Kα dual inhibitors. The surprising selectivity for PI3Kα may be related to differences in the conformation in the active site. Cellular studies showed that these compounds act in HDAC6 inhibition and the PI3/K/AKT/mTOR pathway. The compounds that are selective for inhibition of HDAC6/8 and inhibit PI3Kα show potential for the treatment of cancer.

Keywords: HDAC6; N-acylhydrazone; PI3Kα; cancer; multitarget inhibitors..

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Drug Design
  • Histone Deacetylase 6 / antagonists & inhibitors*
  • Histone Deacetylase 6 / metabolism
  • Histone Deacetylase Inhibitors / chemical synthesis
  • Histone Deacetylase Inhibitors / chemistry
  • Histone Deacetylase Inhibitors / pharmacology*
  • Histone Deacetylases / metabolism
  • Humans
  • Hydrazones / chemical synthesis
  • Hydrazones / chemistry
  • Hydrazones / pharmacology*
  • Models, Molecular
  • Molecular Structure
  • Phosphatidylinositol 3-Kinases / metabolism*
  • Phosphoinositide-3 Kinase Inhibitors / chemical synthesis
  • Phosphoinositide-3 Kinase Inhibitors / chemistry
  • Phosphoinositide-3 Kinase Inhibitors / pharmacology*
  • Repressor Proteins / antagonists & inhibitors*
  • Repressor Proteins / metabolism
  • Tumor Cells, Cultured

Substances

  • Histone Deacetylase Inhibitors
  • Hydrazones
  • Phosphoinositide-3 Kinase Inhibitors
  • Repressor Proteins
  • HDAC6 protein, human
  • HDAC8 protein, human
  • Histone Deacetylase 6
  • Histone Deacetylases