{
  "id": 6585645,
  "title": "Biodegradable drug-delivery nanoparticles curb brain plaque proteins and improve memory in Alzheimer's mice",
  "url": "https://urgent.news/2026/09/10/biodegradable-drug-delivery-nanoparticles-curb-brain-plaque-proteins",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-09-10T12:40:06.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-09-biodegradable-drug-delivery-nanoparticles-curb.html"
  },
  "original_language": "en",
  "account": "A University of Alberta neuroscientist and her team have discovered that biodegradable, drug-delivery nanoparticles called polylactic-co-glycolic acid (PLGA) can reduce Alzheimer's disease symptoms and improve memory in mice. These nanoparticles, which are already approved for drug delivery in humans, have a long-standing safety record and can be modified to target specific organs or parts of the body.\n\nThe researchers found that PLGA nanoparticles prevented the overproduction and buildup of beta-amyloid peptides, which form plaques in the brains of Alzheimer's patients. The treatment also led to improvements in cognitive and memory functions of the mice.\n\nWhile the exact reasons behind the nanoparticles' effectiveness are still unclear, the researchers note that PLGA molecules have an impact on multiple disease-causing factors. They are now working on understanding how these nanoparticles cross the blood-brain barrier and increasing their half-life to maintain their effectiveness longer.\n\nThe study's findings could potentially lead to new, non-additive treatments for Alzheimer's disease. However, further research is needed to fully understand the mechanisms behind the nanoparticles' effects and to ensure their safety and durability.",
  "summary": "A family of nanoparticles—tiny, biodegradable molecules commonly used to deliver drugs to patients—shows promise in treating Alzheimer's disease without additional medication, according to new research from a University of Alberta neuroscientist.",
  "key_points": [
    "PLGA nanoparticles reduce Alzheimer's symptoms in mice",
    "Prevent overproduction of beta-amyloid peptides",
    "Improve cognitive and memory functions"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}