Skip to main content

Research Repository

Advanced Search

All Outputs (40)

Efficient Delivery of Transducing Polymer Nanoparticles for Gene-mediated Induction of Osteogenesis for Bone Regeneration (2020)
Journal Article
Jalal, A. R., & Dixon, J. E. (2020). Efficient Delivery of Transducing Polymer Nanoparticles for Gene-mediated Induction of Osteogenesis for Bone Regeneration. Frontiers in Bioengineering and Biotechnology, 8, Article 849. https://doi.org/10.3389/fbioe.2020.00849

Developing non-viral gene therapy vectors that both protect and functionally deliver nucleic acid cargoes will be vital if gene augmentation and editing strategies are to be effectively combined with advanced regenerative medicine approaches. Current... Read More about Efficient Delivery of Transducing Polymer Nanoparticles for Gene-mediated Induction of Osteogenesis for Bone Regeneration.

Human-scale tissues with patterned vascular networks by additive manufacturing of sacrificial sugar-protein composites (2020)
Journal Article
Eltaher, H. M., Abukunna, F. E., Ruiz-Cantu, L., Stone, Z., Yang, J., & Dixon, J. E. (2020). Human-scale tissues with patterned vascular networks by additive manufacturing of sacrificial sugar-protein composites. Acta Biomaterialia, 113, 339-349. https://doi.org/10.1016/j.actbio.2020.06.012

© 2020 Combating necrosis, by supplying nutrients and removing waste, presents the major challenge for engineering large three-dimensional (3D) tissues. Previous elegant work used 3D printing with carbohydrate glass as a cytocompatible sacrificial te... Read More about Human-scale tissues with patterned vascular networks by additive manufacturing of sacrificial sugar-protein composites.

In vivo delivery of VEGF RNA and protein to increase osteogenesis and intraosseous angiogenesis (2019)
Journal Article
Rumney, R. M. H., Lanham, S. A., Kanczler, J. M., Kao, A. P., Thiagarajan, L., Dixon, J. E., Tozzi, G., & Oreffo, R. O. C. (2019). In vivo delivery of VEGF RNA and protein to increase osteogenesis and intraosseous angiogenesis. Scientific Reports, 9(1), Article 17745. https://doi.org/10.1038/s41598-019-53249-4

Deficient bone vasculature is a key component in pathological conditions ranging from developmental skeletal abnormalities to impaired bone repair. Vascularisation is dependent upon vascular endothelial growth factor (VEGF), which drives both angioge... Read More about In vivo delivery of VEGF RNA and protein to increase osteogenesis and intraosseous angiogenesis.

Molecular phenotyping of the surfaceome of migratory chondroprogenitors and mesenchymal stem cells using biotinylation, glycocapture and quantitative LC-MS/MS proteomic analysis (2019)
Journal Article
Matta, C., Boocock, D. J., Fellows, C. R., Miosge, N., Dixon, J. E., Liddell, S., Smith, J., & Mobasheri, A. (2019). Molecular phenotyping of the surfaceome of migratory chondroprogenitors and mesenchymal stem cells using biotinylation, glycocapture and quantitative LC-MS/MS proteomic analysis. Scientific Reports, 9, Article 9018. https://doi.org/10.1038/s41598-019-44957-y

© 2019, The Author(s). The complement of cell surface proteins, collectively referred to as the surfaceome, is a useful indicator of normal differentiation processes, and the development of pathologies such as osteoarthritis (OA). We employed biochem... Read More about Molecular phenotyping of the surfaceome of migratory chondroprogenitors and mesenchymal stem cells using biotinylation, glycocapture and quantitative LC-MS/MS proteomic analysis.

Highly versatile cell-penetrating peptide loaded scaffold for efficient and localised gene delivery to multiple cell types: From development to application in tissue engineering (2019)
Journal Article
Raftery, R. M., Walsh, D. P., Blokpoel Ferreras, L., Mencía Castaño, I., Chen, G., LeMoine, M., Osman, G., Shakesheff, K. M., Dixon, J. E., & O'Brien, F. J. (2019). Highly versatile cell-penetrating peptide loaded scaffold for efficient and localised gene delivery to multiple cell types: From development to application in tissue engineering. Biomaterials, 216, Article 119277. https://doi.org/10.1016/j.biomaterials.2019.119277

Gene therapy has recently come of age with seven viral vector-based therapies gaining regulatory approval in recent years. In tissue engineering, non-viral vectors are preferred over viral vectors, however, lower transfection efficiencies and difficu... Read More about Highly versatile cell-penetrating peptide loaded scaffold for efficient and localised gene delivery to multiple cell types: From development to application in tissue engineering.

Ex vivo MRI cell tracking of autologous mesenchymal stromal cells in an ovine osteochondral defect model (2019)
Journal Article
Markides, H., Newell, K. J., Rudorf, H., Ferreras, L. B., Dixon, J. E., Morris, R. H., Graves, M., Kaggie, J., Henson, F., & El Haj, A. J. (2019). Ex vivo MRI cell tracking of autologous mesenchymal stromal cells in an ovine osteochondral defect model. Stem Cell Research and Therapy, 10, 1-15. https://doi.org/10.1186/s13287-018-1123-7

Background
Osteochondral injuries represent a significant clinical problem requiring novel cell-based therapies to restore function of the damaged joint with the use of mesenchymal stromal cells (MSCs) leading research efforts. Pre-clinical studies... Read More about Ex vivo MRI cell tracking of autologous mesenchymal stromal cells in an ovine osteochondral defect model.

Discovery of peptide ligands targeting a specific ubiquitin-like domain– binding site in the deubiquitinase USP11 (2018)
Journal Article
Spiliotopoulos, A., Ferreras, L. B., Densham, R. M., Caulton, S. G., Maddison, B. C., Morris, J. R., Dixon, J. E., Gough, K. C., & Dreveny, I. (2019). Discovery of peptide ligands targeting a specific ubiquitin-like domain– binding site in the deubiquitinase USP11. Journal of Biological Chemistry, 294(2), 424-436. https://doi.org/10.1074/jbc.RA118.004469

© 2019 Spiliotopoulos et al. Published by The American Society for Biochemistry and Molecular Biology, Inc. Ubiquitin-specific proteases (USPs) reverse ubiquitination and regulate virtually all cellular processes. Defined noncatalytic domains in USP... Read More about Discovery of peptide ligands targeting a specific ubiquitin-like domain– binding site in the deubiquitinase USP11.

PEGylated enhanced cell penetrating peptide nanoparticles for lung gene therapy (2018)
Journal Article
Osman, G., Rodriguez, J., Chan, S. Y., Chisholm, J., Duncan, G., Kim, N., Tatler, A. L., Shakesheff, K. M., Hanes, J., Suk, J. S., & Dixon, J. E. (2018). PEGylated enhanced cell penetrating peptide nanoparticles for lung gene therapy. Journal of Controlled Release, 285, 35-45. https://doi.org/10.1016/j.jconrel.2018.07.001

The lung remains an attractive target for the gene therapy of monogenetic diseases such as cystic fibrosis (CF). Despite over 27 clinical trials, there are still very few gene therapy vectors that have shown any improvement in lung function; highligh... Read More about PEGylated enhanced cell penetrating peptide nanoparticles for lung gene therapy.

Post-modified polypeptides with UCST-type behavior for control of cell attachment in physiological conditions (2018)
Journal Article
Xue, X., Thiagarajan, L., Dixon, J. E., Saunders, B. R., Shakesheff, K. M., & Alexander, C. (2018). Post-modified polypeptides with UCST-type behavior for control of cell attachment in physiological conditions. Materials, 11(1), Article 95. https://doi.org/10.3390/ma11010095

Upper Critical Solution Temperature (UCST)-type thermally responsive polypeptides (TRPs) with phase transition temperatures around 37 ◦C in phosphate-buffered saline (PBS) buffer (pH 7.4, 100 mM) were prepared from poly(L-ornithine) hydrobromide and... Read More about Post-modified polypeptides with UCST-type behavior for control of cell attachment in physiological conditions.

Osteogenic programming of human mesenchymal stem cells with highly efficient intracellular delivery of RUNX2 (2017)
Journal Article
Thiagarajan, L., Abu-Awwad, H. A.-D. M., & Dixon, J. E. (2017). Osteogenic programming of human mesenchymal stem cells with highly efficient intracellular delivery of RUNX2. Stem Cells Translational Medicine, 6(12), https://doi.org/10.1002/sctm.17-0137

Mesenchymal stem cells (MSCs) are being exploited in regenerative medicine due to their tri-lineage differentiation and immunomodulation activity. Currently, there are two major challenges when directing the differentiation of MSCs for therapeutic ap... Read More about Osteogenic programming of human mesenchymal stem cells with highly efficient intracellular delivery of RUNX2.

Controlled release of G AG-binding e nhanced t ransduction (GET) peptides for sustained and highly efficient intracellular delivery (2017)
Journal Article
Abu-Awwad, H. A.-D. M., Thiagarajan, L., & Dixon, J. E. (2017). Controlled release of G AG-binding e nhanced t ransduction (GET) peptides for sustained and highly efficient intracellular delivery. Acta Biomaterialia, 57, 225-237. https://doi.org/10.1016/j.actbio.2017.04.028

Controlled release systems for therapeutic molecules are vital to allow the sustained local delivery of their activities which direct cell behaviour and enable novel regenerative strategies. Direct programming of cells using exogenously delivered tra... Read More about Controlled release of G AG-binding e nhanced t ransduction (GET) peptides for sustained and highly efficient intracellular delivery.

Highly efficient intracellular transduction in three-dimensional gradients for programming cell fate (2016)
Journal Article
Eltaher, H. M., Yang, J., Shakesheff, K. M., & Dixon, J. E. (2016). Highly efficient intracellular transduction in three-dimensional gradients for programming cell fate. Acta Biomaterialia, 41, 181-192. https://doi.org/10.1016/j.actbio.2016.06.004

Fundamental behaviour such as cell fate, growth and death are mediated through the control of key genetic transcriptional regulators. These regulators are activated or repressed by the integration of multiple signalling molecules in spatio-temporal g... Read More about Highly efficient intracellular transduction in three-dimensional gradients for programming cell fate.

Highly efficient delivery of functional cargoes by the synergistic effect of GAG binding motifs and cell-penetrating peptides (2016)
Journal Article
Dixon, J. E., Osman, G., Morris, G. E., Markides, H., Rotherham, M., Bayoussef, Z., El-Haj, A., Denning, C., & Shakesheff, K. M. (2016). Highly efficient delivery of functional cargoes by the synergistic effect of GAG binding motifs and cell-penetrating peptides. Proceedings of the National Academy of Sciences, 113(3), E291-E299. https://doi.org/10.1073/pnas.1518634113

Protein transduction domains (PTDs) are powerful nongenetic tools that allow intracellular delivery of conjugated cargoes to modify cell behavior. Their use in biomedicine has been hampered by inefficient delivery to nuclear and cytoplasmic targets.... Read More about Highly efficient delivery of functional cargoes by the synergistic effect of GAG binding motifs and cell-penetrating peptides.

A Thermoresponsive and Magnetic Colloid for 3D Cell Expansion and Reconfiguration (2014)
Journal Article
Saunders, B. R., Gould, T., Saeed, A. O., Francini, N., White, L., Dixon, J. E., Gould, T. W., Rashidi, H., Al Ghanami, R. C., Hruschka, V., Redl, H., Saunders, B. R., Alexander, C., & Shakesheff, K. M. (2015). A Thermoresponsive and Magnetic Colloid for 3D Cell Expansion and Reconfiguration. Advanced Materials, 27(4), 662-668. https://doi.org/10.1002/adma.201403626

A dual thermoresponsive and magnetic colloidal gel matrix is described for enhanced stem-cell culture. The combined properties of the material allow enzyme-free passaging and expansion of mesenchymal stem cells, as well as isolation of cells postcult... Read More about A Thermoresponsive and Magnetic Colloid for 3D Cell Expansion and Reconfiguration.

Transient Accumulation of 5-Carboxylcytosine Indicates Involvement of Active Demethylation in Lineage Specification of Neural Stem Cells (2014)
Journal Article
Wheldon, L. M., Abakir, A., Ferjentsik, Z., Dudnakova, T., Strohbuecker, S., Christie, D., Dai, N., Guan, S., Foster, J. M., Corrêa, I. R., Loose, M., Dixon, J. E., Sottile, V., Johnson, A. D., & Ruzov, A. (2014). Transient Accumulation of 5-Carboxylcytosine Indicates Involvement of Active Demethylation in Lineage Specification of Neural Stem Cells. Cell Reports, 7(5), 1353-1361. https://doi.org/10.1016/j.celrep.2014.05.003

5-Methylcytosine (5mC) is an epigenetic modification involved in regulation of gene activity during differentiation. Tet dioxygenases oxidize 5mC to 5-hydroxymethylcytosine (5hmC), 5-formylcytosine (5fC), and 5-carboxylcytosine (5caC). Both 5fC and 5... Read More about Transient Accumulation of 5-Carboxylcytosine Indicates Involvement of Active Demethylation in Lineage Specification of Neural Stem Cells.

A novel technique for the production of electrospun scaffolds with tailored three-dimensional micro-patterns employing additive manufacturing (2014)
Journal Article
Rogers, C. M., Morris, G. E., Gould, T. W., Bail, R., Toumpaniari, S., Harrington, H., Dixon, J. E., Shakesheff, K. M., Segal, J., & Rose, F. R. A. J. (2014). A novel technique for the production of electrospun scaffolds with tailored three-dimensional micro-patterns employing additive manufacturing. Biofabrication, 6(3), 035003. https://doi.org/10.1088/1758-5082/6/3/035003

Electrospinning is a common technique used to fabricate fibrous scaffolds for tissue engineering applications. There is now growing interest in assessing the ability of collector plate design to influence the patterning of the fibres during the elect... Read More about A novel technique for the production of electrospun scaffolds with tailored three-dimensional micro-patterns employing additive manufacturing.

Combined hydrogels that switch human pluripotent stem cells from self-renewal to differentiation (2014)
Journal Article
Dixon, J. E., Shah, D. A., Rogers, C., Hall, S., Weston, N., Parmenter, C. D., McNally, D., Denning, C., & Shakesheff, K. M. (2014). Combined hydrogels that switch human pluripotent stem cells from self-renewal to differentiation. Proceedings of the National Academy of Sciences, 111(15), 5580-5585. https://doi.org/10.1073/pnas.1319685111

The ability of materials to define the architecture and microenvironment experienced by cells provides new opportunities to direct the fate of human pluripotent stem cells (HPSCs) [Robinton DA, Daley GQ (2012) Nature 481(7381):295-305]. However, the... Read More about Combined hydrogels that switch human pluripotent stem cells from self-renewal to differentiation.