Towards cell-free cell therapies

Gareth Williams (primary)
School of Pharmacy
University College London
Rebecca Shipley (secondary)
Mechanical Engineering
University College London

Abstract

The ability of stem cells to regenerate damaged tissue has been widely demonstrated. Stem cells are often inherently immunogenic/tumorigenic however, and within a few days die and/or are cleared from the target site. There is mounting evidence that many bioactive compounds underpinning tissue regeneration are clustered in cell-secreted bodies known as extracellular vesicles (EVs). The application of EVs alone (without cells) can potentially be used in regenerative treatments, including for central nervous system pathologies. EVs display reduced immuno/tumorigenicity and growth of ectopic material, and permit more accurate dosing. In this project, we will develop advanced EV formulations for neural regeneration.


References

  1. De Jong, Oliver G. ; Van Balkom, Bas W. M. ; Schiffelers, Raymond M. ; Bouten, Carlijn V. C. ; Verhaar, and Marianne C. (2014). Extracellular vesicles: potential roles in regenerative medicine. Frontiers in Immunology, 5, 608.
  2. Georgiou, Melanie; Golding, Jon P. ; Loughlin, Alison J. ; Kingham, Paul J. and Phillips, James B. (2015). Engineered neural tissue with aligned, differentiated adipose-derived stem cells promotes peripheral nerve regeneration across a critical sized defect in rat sciatic nerve. Biomaterials, 37, 242–251
  3. Lou, Shao-Feng ; Wang, Lei ; Williams, Gareth R. ; Nie, Hua-Li ; Quan, Jing; and Zhu, Li-Min. Galactose functionalized injectable thermoresponsive microgels for sustained protein release (2014). Colloids and Surfaces B, 113, 368

BBSRC Area
Molecules, cells and industrial biotechnology
Area of Biology
BiotechnologyNeurobiology
Techniques & Approaches
ChemistryEngineeringImage ProcessingMicroscopy / ElectrophysiologySimulation / Modelling