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Decellularized Green and Brown Macroalgae as Cellulose Matrices for Tissue Engineering.

Caitlin Berry-Kilgour1, Indrawati Oey2, Jaydee Cabral3

  • 1Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin 9054, New Zealand.

Journal of Functional Biomaterials
|December 27, 2024
PubMed
Summary
This summary is machine-generated.

Marine macroalgae can be decellularized to create cellulose scaffolds for tissue engineering. Scaffolds from Ecklonia radiata supported human dermal fibroblast growth, showing potential for skin regeneration.

Keywords:
cellulosedecellularizationfibroblastmacroalgaematrixscaffoldseaweedskintissue engineering

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Marine Biotechnology

Background:

  • Extracellular matrix (ECM)-like scaffolds are crucial for tissue engineering.
  • Cellulose matrices offer desirable properties like hydrophilicity and mechanical strength.
  • Marine macroalgae present diverse structures for ECM mimicry.

Purpose of the Study:

  • To develop and evaluate cellulose scaffolds derived from three marine macroalgae species for skin tissue engineering.
  • To investigate the influence of macroalgae ECM structure on scaffold properties and utility.

Main Methods:

  • Three macroalgae species (Durvillaea poha, Ulva lactuca, Ecklonia radiata) were selected for morphological variation.
  • Low-intensity chemical treatments were optimized for decellularization, preserving cellulose structure.
  • Scaffolds were assessed for cytotoxicity using human dermal fibroblasts and evaluated for cell attachment and maturation.

Main Results:

  • All generated scaffolds were non-toxic to human dermal fibroblasts.
  • Only scaffolds derived from the fibrous inner layer of Ecklonia radiata supported significant cell attachment and maturation over seven days.
  • Macroalgae ECM structure influenced decellularization efficiency and scaffold properties.

Conclusions:

  • Ecklonia radiata-derived cellulose scaffolds show promise for skin tissue engineering applications.
  • The specific structure of macroalgae ECM significantly impacts the efficacy of decellularization and scaffold performance.
  • Further research into macroalgae-derived biomaterials is warranted for regenerative medicine.