{
  "id": 3043874,
  "title": "Avocado-derived compounds alter lipid homeostasis and lipid droplets profile in Caenorhabditis elegans",
  "url": "https://urgent.news/2026/08/24/avocado-derived-compounds-alter-lipid-homeostasis-and-lipid-droplets",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-24T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.08.22.746425v1?rss=1"
  },
  "original_language": "en",
  "account": "Avocado-derived compounds, such as avocadene, avocadyne, and acetate derivatives, have shown potential in disrupting lipid homeostasis and lipid droplet profiles in Caenorhabditis elegans (C. elegans). These compounds, which possess nematocidal activity against parasitic nematodes, have been found to cause concentration-dependent toxicity in C. elegans. This toxicity manifests as impaired growth and survival rates in the first stage larvae, reduced egg hatching, and diminished adult survival. Further investigation into the effects of these compounds on C. elegans lipid profile has revealed an increase in lipid NMR signals upon treatment with avocadene acetate. Additionally, fluorescence-assisted TLC and NMR analyses suggest that avocadyne preferentially associates with triglyceride-linked fatty acids, particularly monounsaturated and flexible polyunsaturated chains. This selective binding does not occur with conformationally-constrained polyunsaturated species. The presence of fluorescent avocadyne derivatives in L4 larvae and embryonic cells indicates efficient internalization with distinct localization patterns. These findings suggest that avocado lipids disrupt mitochondrial function and lipid metabolism, potentially through inhibition of acetyl-CoA carboxylase, the rate-limiting enzyme of fatty acid biosynthesis. The remodeling of lipid homeostasis in response to lipotoxic shock leads to increased phospholipid levels and the onset of remarkable lipid droplets in L4 larvae. In embryos, there is an accumulation of lipids in enlarged droplets, ultimately resulting in developmental arrest.",
  "summary": "Background: Natural compounds from avocado fruit (avocadene, avocadyne, and acetate derivatives) exhibit notable biological activity, although their molecular mechanisms remain unclear. The avocado-derived lipids exert potent nematocidal activity against several parasitic nematodes. In Caenorhabditis elegans (C. elegans), those compounds caused concentration-dependent toxicity, impairing first…",
  "key_points": [],
  "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."
}