{
  "id": 7683893,
  "title": "Host soluble inositol phosphate signaling promotes coronavirus replication",
  "url": "https://urgent.news/2026/09/15/host-soluble-inositol-phosphate-signaling-promotes-coronavirus",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-09-15T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.09.12.751050v1?rss=1"
  },
  "original_language": "en",
  "account": "Coronaviruses depend significantly on host pathways for replication, suggesting that targeting these host mechanisms could lead to effective antiviral therapies with lower chances of viral resistance. A team of researchers has now identified the host soluble inositol phosphate pathway as a previously unknown requirement for coronavirus infection. Inhibiting or reducing activity within this pathway effectively curtails both alpha- and betacoronavirus replication, while enhancing the pathway's function boosts viral replication. The research team developed UNC7844, a powerful inhibitor targeting multiple kinases within this pathway, which reduces coronavirus replication by more than four orders of magnitude in lab-grown cells and suppresses infection in mice. The mechanism of action involves inhibiting inositol (pyro)phosphate production, disrupting phosphoinositide homeostasis, and impairing late endosomal dynamics - all processes that are crucial for early post-entry steps of viral genome release and replication. The findings establish the soluble inositol (pyro)phosphate pathway as a key regulator of coronavirus infection and suggest that blocking its activity could be a promising strategy for host-directed antiviral treatments.",
  "summary": "Coronaviruses rely extensively on host pathways for replication, making host-directed therapies an attractive strategy for broad-spectrum antivirals with reduced risk of viral resistance. Here we identify the host soluble inositol phosphate pathway as a previously unrecognized dependency for coronavirus infection. Genetic or pharmacologic inhibition of several kinases in this pathway markedly…",
  "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."
}