Líffræðifélag Íslands - biologia.is
Líffræðiráðstefnan 2025
Erindi/veggspjald / Talk/poster V73
Höfundar / Authors: Svava Kristinsdottir 1,*, Ottar Rolfsson 2, Olafur Eysteinn Sigurjonsson 3, Sigurður Brynjolfsson 1, Sigrun Nanna Karlsdottir 1, Arni Kjalar Kristjansson 4, Hildur Sigurgrimsdottir 5, Jóna Freysdottir 2,5
Starfsvettvangur / Affiliations: Háskóli Íslands-Industrial Engineering., Mechanical Engineering and Computer Science Department, University of Iceland, 102 Reykjavik, Iceland
Kynnir / Presenter: Svava Kristindottir
Scaffolds play a key role in tissue engineering by providing 3D support for cell growth and regeneration. They are created using methods like 3D printing, electrospinning, or decellularizing tissues to maintain ECM structure. Synthetic scaffolds offer precise control over design, while ECM-derived versions require effective decellularization to reduce immune response and retain bioactivity; improper chemical treatments, necessary for ECM decellularization, may harm biocompatibility and compromise structural integrity. While animal-derived collagen is common in medical applications, concerns about cost and immunogenicity drive interest in plant- and algae-based alternatives. These non-animal sources, such as cellulose-rich plant structures and marine polysaccharides, have shown biocompatibility and supported mammalian cell growth. This study introduces a species-specific, non-chemical decellularization method for Laminaria digitata (L.D.) and Saccharina latissima (Laminaria saccharina, L.S.) ECMs, promoting sustainable, animal-free scaffold development, and includes preliminary biocompatibility findings.