NSAID-derived γ-secretase modulation requires an acidic moiety on the carbazole scaffold

Bioorg Med Chem. 2011 Aug 15;19(16):4903-9. doi: 10.1016/j.bmc.2011.06.062. Epub 2011 Jun 29.

Abstract

Modulation of γ-secretase activity holds potential for the treatment of Alzheimer's disease. Most NSAID-derived γ-secretase modulators feature a carboxylic acid, which may impair blood-brain barrier permeation. The structure activity relationship of 33 carbazoles featuring diverse carboxylic acid isosteres or metabolic precursors thereof was established in a cellular amyloid secretion assay. The modulatory activity was observed for acidic moieties and metabolically labile esters only, which supports our hypothesis of an acid-lysine interaction to be relevant for this type of γ-secretase modulators.

MeSH terms

  • Acids / chemical synthesis
  • Acids / chemistry
  • Alzheimer Disease / drug therapy
  • Alzheimer Disease / pathology
  • Amyloid Precursor Protein Secretases / antagonists & inhibitors*
  • Amyloid Precursor Protein Secretases / chemistry
  • Amyloid Precursor Protein Secretases / metabolism
  • Amyloid beta-Peptides / drug effects
  • Amyloid beta-Protein Precursor / drug effects
  • Amyloid beta-Protein Precursor / metabolism
  • Animals
  • Anti-Inflammatory Agents, Non-Steroidal / analysis
  • Anti-Inflammatory Agents, Non-Steroidal / chemical synthesis*
  • Anti-Inflammatory Agents, Non-Steroidal / chemistry
  • Anti-Inflammatory Agents, Non-Steroidal / pharmacology
  • Carbazoles / analysis
  • Carbazoles / chemical synthesis*
  • Carbazoles / chemistry
  • Carbazoles / pharmacology
  • Carboxylic Acids / analysis
  • Carboxylic Acids / chemical synthesis
  • Carboxylic Acids / chemistry
  • Carboxylic Acids / pharmacology
  • Cell Line
  • Cell Proliferation / drug effects
  • Fenofibrate / analogs & derivatives
  • Fenofibrate / chemistry
  • Humans
  • Mice
  • Molecular Targeted Therapy
  • Structure-Activity Relationship

Substances

  • APP protein, human
  • Acids
  • Amyloid beta-Peptides
  • Amyloid beta-Protein Precursor
  • Anti-Inflammatory Agents, Non-Steroidal
  • Carbazoles
  • Carboxylic Acids
  • Amyloid Precursor Protein Secretases
  • Fenofibrate