{
  "id": 18154436,
  "title": "Spectral Adaptive Repositioning for Flow-Based Single-Cell Perturbation Modeling",
  "url": "https://urgent.news/2026/11/04/spectral-adaptive-repositioning-for-flow-based-single-cell",
  "topic": "science",
  "section": "Science",
  "published": "2026-11-04T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.11.02.763678v1?rss=1"
  },
  "original_language": "en",
  "account": "Predicting the effects of genetic and molecular changes on the behavior of cells is a crucial aspect of understanding how cells function and how new drugs can be discovered. Current methods use fixed numbers or static patterns based on how genes are expressed in unstressed cells, but they fail to account for the changes in how genes interact with each other when they are stressed. Scientists have developed a new method called SPEAR, which uses two different ways to position genes. One way creates a map of where each gene should be based on the connections between them, while the other way adjusts each gene's position based on how it is affected by the stress. This allows the interactions between genes to change without needing any special instructions. When this new method was tested on different types of changes in cells, it was able to accurately predict how the genes would be expressed differently, how they would distribute themselves, and how well it could identify which genes were affected by each change. SPEAR also found connections between the positions of genes that matched what was already known about how certain proteins control which genes are turned on or off.",
  "summary": "Predicting transcriptome-wide cellular responses to genetic and biomolecular perturbations is central to functional genomics and therapeutic target discovery. Existing methods assign gene positional encodings derived from arbitrary orderings or static co-expression masks built from unperturbed cells, and cannot capture the functional rewiring induced by perturbations. We present SPEAR, a…",
  "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."
}