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Researchers Propose Gene-Editing Breakthrough to Combat Deadly Parasite

A new strategy combining RNAi and CRISPR aims to identify key genes in Entamoeba histolytica, advancing efforts toward targeted therapies and vaccines.

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Overview

  • Entamoeba histolytica infects 50 million people annually, causing severe cases of amoebiasis that lead to up to 70,000 deaths worldwide.
  • The parasite damages tissues through trogocytosis, a process where it bites off fragments of human cells, leading to ulcers and organ abscesses.
  • Researchers at UC Davis have detailed how the parasite evades immune responses by ingesting human cell proteins and using them as a protective disguise.
  • A newly published plan in *Trends in Parasitology* outlines how RNAi libraries and CRISPR gene-editing can pinpoint genes essential to the parasite's pathogenicity.
  • This approach marks a significant step toward developing targeted treatments and vaccines for a disease that currently lacks preventive options.