MC
Mirren Charnley
  • Centre for Micro-photonics, Swinburne University of Technology , Australia , Australia ,
Research fields
  • Biochemistry
Preparation of Amyloid Fibril Networks
Authors:  Mirren Charnley , Jay Gilbert, Owen G. Jones and Nicholas P. Reynolds, date: 02/20/2018, view: 7758, Q&A: 0
Networks of amyloid nanofibrils fabricated from common globular proteins such as lysozyme and β-lactoglobulin have material properties that mimic the extracellular microenvironment of many cell types. Cells cultured on such amyloid fibril networks show improved attachment, spreading and in the case of mesenchymal stem cells improved differentiation. Here we describe a detailed protocol for fabricating amyloid fibril networks suitable for eukaryotic cell culture applications.
Characterization of Amyloid Fibril Networks by Atomic Force Microscopy
Authors:  Mirren Charnley , Jay Gilbert, Owen G. Jones and Nicholas P. Reynolds, date: 02/20/2018, view: 7796, Q&A: 0
Dense networks of amyloid nanofibrils fabricated from common globular proteins adsorbed to solid supports can improve cell adhesion, spreading and differentiation compared to traditional flat, stiff 2D cell culture substrates like Tissue Culture Polystyrene (TCPS). This is due to the fibrous, nanotopographic nature of the amyloid fibril networks and the fact that they closely mimic the mechanical properties and architecture of the extracellular matrix (ECM). However, precise cell responses are strongly dependent on the nanostructure of the network at the cell culture interface, thus accurate characterization of the immobilized network is important. Due to its exquisite lateral resolution and simple sample preparation techniques, Atomic Force Microscopy (AFM) is an ideal technique to characterize the fibril network morphology. Thus, here we describe a detailed protocol, for the characterization of amyloid fibril networks by tapping mode AFM.
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