Longevity News

A combinatorial therapeutic platform based on graphene–collagen cryogel and apoptotic vesicles for modulating hypertrophic scars

Source: Nature - Biotechnology • Published: 19 Jun 2026, 00:00

A combinatorial therapeutic platform based on graphene–collagen cryogel and apoptotic vesicles for modulating hypertrophic scars

A combinatorial biomaterial and vesicle therapy is evaluated for modulating fibroblast-driven hypertrophic scarring and local delivery.

Key Takeaways
  • Graphene–collagen cryogel reduced COL1A1, α-SMA, and Vimentin expression in HS fibroblasts
  • Adipose stem cell apoptotic vesicles decreased collagen and α-SMA expression in vitro
  • Combined cryogel plus vesicle treatment lowered scar elevation index and increased M2 macrophages
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