{
  "id": 11255064,
  "title": "Organoid-to-organoid transplantation and pro-neurogenic treatment promote graft integration and neuronal repair in a human ischemic model",
  "url": "https://urgent.news/2026/10/01/organoid-to-organoid-transplantation-and-pro-neurogenic-treatment",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-01T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.09.25.754353v1?rss=1"
  },
  "original_language": "en",
  "account": "Neuronal damage caused by brain injuries and neurodegenerative disorders currently has no effective regenerative treatments. Although neurogenic drugs and cell transplantation show potential, poor graft integration and low cell survival impede their clinical application. Scientists have now devised a new method called organoid-to-organoid transplantation using human pluripotent stem cell-derived cortical organoids (hCOs) to investigate a dual cell transplantation and pro-neurogenic approach for brain repair.\n\nTheir findings reveal that pro-neurogenic treatment with ER272 promotes early-stage hCO growth and boosts neurogenesis via a PKC- and Notch-dependent mechanism. ER272 increases the expression of genes related to extracellular matrix, cell adhesion, and growth factor signaling. The most significant discovery is that the combination of early-stage hCO transplantation and ER272 treatment greatly improved graft integration and enhanced neuronal repair in an ischemic-like model of late-stage host hCOs. This innovative human organoid-to-organoid technique provides a reliable platform for testing regenerative therapies and showcases the potential benefits of merging cell transplantation with pro-neurogenic stimulation in treating neurological disorders characterized by neuronal loss.",
  "summary": "Neuronal loss resulting from brain injury and neurodegenerative diseases currently lacks effective regenerative therapies. While neurogenic compounds and cell transplantation hold promise, clinical translation is hindered by poor graft integration and limited cell survival. Here, we developed a novel organoid-to-organoid transplantation model using human pluripotent stem cell-derived cortical…",
  "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."
}