| Autor: |
Brown CJ; Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, UK. Alice.King@sussex.ac.uk., Simon T; Department of Translational Genomics, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA., Cilibrasi C; Department of Biochemistry and Biomedicine, University of Sussex, Brighton, BN1 9QG, UK., Lynch PJ; Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, UK. Alice.King@sussex.ac.uk., Harries RW; Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, UK. Alice.King@sussex.ac.uk., Graf AA; Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, UK. Alice.King@sussex.ac.uk., Large MJ; Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, UK. Alice.King@sussex.ac.uk., Ogilvie SP; Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, UK. Alice.King@sussex.ac.uk., Salvage JP; School of Pharmacy and Biomolecular Sciences, University of Brighton, BN2 4GJ, UK., Dalton AB; Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, UK. Alice.King@sussex.ac.uk., Giamas G; Department of Biochemistry and Biomedicine, University of Sussex, Brighton, BN1 9QG, UK., King AAK; Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, UK. Alice.King@sussex.ac.uk. |
| Abstrakt: |
Three-dimensional tissue scaffolds have utilised nanomaterials to great effect over the last decade. In particular, scaffold design has evolved to consider mechanical structure, morphology, chemistry, electrical properties, and of course biocompatibility - all vital to the performance of the scaffold and how successful they are in developing cell cultures. We have developed an entirely synthetic and tuneable three-dimensional scaffold of reduced graphene oxide (rGO) that shows good biocompatibility, and favourable mechanical properties as well as reasonable electrical conductivity. Importantly, the synthesis is scaleable and suitable for producing scaffolds of any desired geometry and size, and we observe a high level of biocompatibility and cell proliferation for multiple cell lines. In particular, one of the most devastating forms of malignant brain cancer, glioblastoma (GBM), grows especially well on our rGO scaffold in vitro , and without the addition of response-specific growth factors. We have observed that our scaffold elicits spontaneous formation of a high degree of intercellular connections across the GBM culture. This phenomenon is not well documented in vitro and nothing similar has been observed in synthetic scaffolds without the use of response-specific growth factors - which risk obscuring any potential phenotypic behaviour of the cells. The use of scaffolds like ours, which are not subject to the limitations of existing two-dimensional substrate technologies, provide an excellent system for further investigation into the mechanisms behind the rapid proliferation and success of cancers like GBM. These synthetic scaffolds can advance our understanding of these malignancies in the pursuit of improved theranostics against them. |
