{
  "id": 7337212,
  "title": "Cross-omics profiling reveals cortical neuronal dysfunction following neonatal intraventricular haemorrhage that is attenuated by decorin treatment",
  "url": "https://urgent.news/2026/09/14/cross-omics-profiling-reveals-cortical-neuronal-dysfunction-following",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-14T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.09.07.749813v1?rss=1"
  },
  "original_language": "en",
  "account": "Neonatal intraventricular haemorrhage (IVH) poses a significant threat to premature infants, often resulting in mortality and long-term neurological impairment. The molecular response of the brain's cortical neurons to blood ingress within the first 24 hours, and its potential to exacerbate secondary brain injury or neurodegeneration, remains largely unexplored. This gap in knowledge could hinder the creation of new treatments aimed at mitigating IVH-induced brain damage.\n\nIn a recent study, researchers employed a proteome and transcriptome cross-omics approach to investigate cortical reactions following IVH in a neonatal mouse model, with the aim of enhancing comprehension of the injury's causes and triggers. They also examined the impact of decorin, a proteoglycan known for its influence on the inflammatory cytokine transforming growth factor beta 1, on the cortex.\n\nThe cross-omics analysis between the transcriptome and proteome revealed ferroptosis-associated signatures as a critical contributor to post-IVH cortical injury. IVH led to a significant reduction in cortical neurons, neurofilaments, and synaptic vesicle proteins, as observed through transcriptomics, immunostaining, and proteomics. These effects were substantially mitigated by decorin treatment. Furthermore, decorin stimulated a heightened phagocytic response, potentially by engaging microglia. These findings underscore the susceptibility of cortical neurons to early injury following IVH in neonates and suggest decorin as a promising neuroprotective agent. The study also implies that ferroptosis-associated pathways might play a role in early cortical injury, potentially opening up a new avenue for therapeutic intervention.",
  "summary": "Neonatal intraventricular haemorrhage (IVH) is a form of haemorrhagic stroke which is most common in premature infants and can cause mortality and lifelong disability. The reaction of brain tissue to extraneous blood is known to trigger several complications including post-haemorrhagic hydrocephalus (PHH), furthering the likelihood of neurological disability and death. The molecular response of…",
  "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."
}