Imperial Researchers Build Dressing That Uses Cell Pulling to Trigger Healing

Overview

• A peer‑reviewed paper in Nature Materials published in July 2026 reports the first demonstration that a force‑responsive dressing works in living repairing tissue across mouse, rat and ex vivo human skin models.
• The material uses aptamer‑like binding sites on a biomaterial scaffold to harvest endogenous growth factors and free them only when traction from repair cells mechanically pulls on the dressing.
• Functionally, treated mouse skin wounds closed faster, a rat bone‑injury model showed increased blood‑vessel formation, and human skin maintained in the lab had improved tissue ingrowth and smaller wound size after ten days.
• The design produced biological activity at hundreds to thousands of times lower effective doses than conventional growth‑factor delivery and could reduce dependence on manufactured protein drugs and cold storage.
• The inventors have launched a spinout, Traxion Biotech, and begun partner and clinician discussions, but the technology remains preclinical and still requires formal toxicology, GLP studies and clinical trials before patient use.