{
  "id": 451774,
  "title": "Predictive vascular growth and remodeling in pulmonary hypertension: simulating intervention effects from captured evolution",
  "url": "https://urgent.news/2026/08/09/predictive-vascular-growth-and-remodeling-in-pulmonary-hypertension",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-08-09T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.08.07.743318v1?rss=1"
  },
  "original_language": "en",
  "account": "Pulmonary hypertension (PH) is a disease marked by the gradual structural and mechanical changes in the pulmonary blood vessels. Researchers have developed a comprehensive computational model to trace these changes and evaluate the impact of potential treatments in rats. This modeling system integrates aspects of tree growth and mechanics, wall properties, and cellular remodeling to mimic the disease progression.\n\nThe researchers identified three key parameters tied to PH progression: excessive smooth muscle growth, activation of remodeling, and passive stiffening. They utilized prior data on pressure, wall thickness, and stiffness from rat models with monocrotaline (MCT) exposure to fine-tune these parameters through a multiobjective optimization process. By incorporating these factors, the model could accurately replicate the pressure, thickness, and stiffness changes observed in the rat models.\n\nWhen the researchers simulated the effects of therapeutic intervention using this same model, it successfully predicted the reduction in pressure, wall thickness, and stiffness. While the model accurately reflected the experimental findings for pressure and wall thickness, it slightly overestimated the recovery of stiffness, which may indicate the involvement of additional mechanisms in this aspect of vascular stiffening.\n\nThe framework also proved useful for comparing data across various experimental models and therapeutic approaches, providing a basis for refining the model and enhancing its predictive capabilities for diverse pulmonary vascular phenotypes.",
  "summary": "Pulmonary hypertension (PH) is characterized by progressive structural and mechanical remodeling of the pulmonary vasculature, yet few computational frameworks directly link disease mechanisms to longitudinal progression and therapeutic response. In this study, we utilized a multiscale pulmonary arterial growth and remodeling (G&R) framework to capture evolving functional metrics from rat models…",
  "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."
}