{
  "id": 89306,
  "title": "Gasdermin D-mediated delivery of caspase inhibitors to suppress pyroptosis",
  "url": "https://urgent.news/2026/08/03/gasdermin-d-mediated-delivery-of-caspase-inhibitors-to-suppress",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-03T00:00:00.000Z",
  "source": {
    "name": "Nature",
    "slug": "nature",
    "url": "https://www.nature.com/articles/s41586-026-10957-y"
  },
  "original_language": "en",
  "account": "Caspase-1, -4, -5, and -11 trigger Gasdermin D (GSDMD) pores, leading to pyroptotic cell death and the release of interleukin-1β and IL-18. Blocking this pathway could offer therapeutic benefits for inflammatory disorders, yet cell permeable caspase inhibitors have not shown success in clinical trials. Researchers have now developed covalent caspase inhibitors that specifically inhibit pyroptosis and IL-1β secretion while being unable to enter healthy cells. These inhibitors did not impede caspase-driven apoptosis, suggesting that GSDMD pores facilitated their entry. Membrane-impermeable dyes entered cells that had undergone pyroptosis, indicating that GSDMD pores induced transient membrane permeabilization. Caspase inhibition halted cell death rather than delaying it, implying that membrane repair mechanisms mitigated the initial GSDMD pores. In a mouse model of endotoxic shock, inhibiting caspase-1 and -11 reduced IL-1β and IL-18 production, demonstrating the potential of using GSDMD pores for targeted caspase inhibition in inflammatory diseases.",
  "summary": "Nature, Published online: 03 August 2026; doi:10.1038/s41586-026-10957-y Gasdermin D-mediated delivery of caspase inhibitors to suppress pyroptosis",
  "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."
}