Simple colorimetric inhibition assay of heme crystallization for high-throughput screening of antimalarial compounds

Antimicrob Agents Chemother. 2007 Jan;51(1):350-3. doi: 10.1128/AAC.00985-06. Epub 2006 Nov 6.

Abstract

Current assays for screening new antimalarials need initiators of beta-hematin formation that require laborious preparation, special devices, and substrates. In this study, based on reduction of heme absorption in beta-hematin formation, we developed a simple colorimetric assay using Tween 20 as an initiator and a microplate reader for high-throughput screening of inhibitors of beta-hematin formation.

MeSH terms

  • Animals
  • Antimalarials / pharmacology*
  • Colorimetry / methods
  • Crystallization
  • Drug Evaluation, Preclinical / methods
  • Heme / chemistry
  • Heme / metabolism*
  • Hemeproteins / antagonists & inhibitors
  • Hemeproteins / metabolism
  • Plasmodium falciparum / drug effects*
  • Plasmodium falciparum / metabolism
  • Polysorbates / chemistry
  • Reproducibility of Results

Substances

  • Antimalarials
  • Hemeproteins
  • Polysorbates
  • Heme