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Spatially resolved molecular analysis of host response to medical device implantation using the 3D OrbiSIMS highlights a critical role for lipids (2024)
Journal Article
Suvannapruk, W., Fisher, L. E., Luckett, J. C., Edney, M. K., Kotowska, A. M., Kim, D., …Alexander, M. R. (in press). Spatially resolved molecular analysis of host response to medical device implantation using the 3D OrbiSIMS highlights a critical role for lipids. Advanced Science, https://doi.org/10.1101/2023.08.18.553860

A key goal for implanted medical devices is that they do not elicit a detrimental immune response. Macrophages play critical roles in modulation of the host immune response and are the major cells responsible for persistent inflammatory reactions to... Read More about Spatially resolved molecular analysis of host response to medical device implantation using the 3D OrbiSIMS highlights a critical role for lipids.

Optimization of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in a small animal model (2023)
Journal Article
Dooley, M., Luckett, J., Alexander, M. R., Matousek, P., Dehghani, H., Ghaemmaghami, A. M., & Notingher, I. (2023). Optimization of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in a small animal model. Biomedical Optics Express, 14(12), 6592-6606. https://doi.org/10.1364/boe.512118

Diffuse Raman spectroscopy (DRS) allows subsurface molecular analysis of optically turbid samples. Numerical modeling of light propagation was used as a method for improving the design of an DRS instrument to maximize the signal to noise ratio (SNR)... Read More about Optimization of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in a small animal model.

Optimisation of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in small animal model (2023)
Journal Article
Dooley, M., Luckett, J., Alexander, M. R., Matousek, P., Dehghani, H., Ghaemmaghami, A. M., & Notingher, I. (2023). Optimisation of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in small animal model. Biomedical Optics Express, 14(12), 6592-6606. https://doi.org/10.1364/BOE.512118

Diffuse Raman spectroscopy (DRS) allows subsurface molecular analysis of optically turbid samples. Numerical modelling of light propagation was used as a method for improving the design of an DRS instrument to maximize the signal to noise ratio (SNR)... Read More about Optimisation of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in small animal model.

Conformational analysis and interaction of the Staphylococcus aureus transmembrane peptidase AgrB with its AgrD propeptide substrate (2023)
Journal Article
Bardelang, P., Murray, E. J., Blower, I., Zandomeneghi, S., Goode, A., Hussain, R., …Bonev, B. B. (2023). Conformational analysis and interaction of the Staphylococcus aureus transmembrane peptidase AgrB with its AgrD propeptide substrate. Frontiers in Chemistry, 11, Article 1113885. https://doi.org/10.3389/fchem.2023.1113885

Virulence gene expression in the human pathogen, S. aureus is regulated by the agr (accessory gene regulator) quorum sensing (QS) system which is conserved in diverse Gram-positive bacteria. The agr QS signal molecule is an autoinducing peptide (AIP)... Read More about Conformational analysis and interaction of the Staphylococcus aureus transmembrane peptidase AgrB with its AgrD propeptide substrate.

Discovery of a polymer resistant to bacterial biofilm, swarming, and encrustation (2023)
Journal Article
Dubern, J. F., Hook, A. L., Carabelli, A. M., Chang, C. Y., Lewis-Lloyd, C. A., Luckett, J. C., …Williams, P. (2023). Discovery of a polymer resistant to bacterial biofilm, swarming, and encrustation. Science Advances, 9(4), Article eadd7474. https://doi.org/10.1126/sciadv.add7474

Innovative approaches to prevent catheter-associated urinary tract infections (CAUTIs) are urgently required. Here, we describe the discovery of an acrylate copolymer capable of resisting single- and multispecies bacterial biofilm formation, swarming... Read More about Discovery of a polymer resistant to bacterial biofilm, swarming, and encrustation.

Ink-jet 3D printing as a strategy for developing bespoke non-eluting biofilm resistant medical devices (2021)
Journal Article
He, Y., Luckett, J., Begines, B., Dubern, J. F., Hook, A. L., Prina, E., …Wildman, R. D. (2022). Ink-jet 3D printing as a strategy for developing bespoke non-eluting biofilm resistant medical devices. Biomaterials, 281, Article 121350. https://doi.org/10.1016/j.biomaterials.2021.121350

Chronic infection as a result of bacterial biofilm formation on implanted medical devices is a major global healthcare problem requiring new biocompatible, biofilm-resistant materials. Here we demonstrate how bespoke devices can be manufactured throu... Read More about Ink-jet 3D printing as a strategy for developing bespoke non-eluting biofilm resistant medical devices.

Chemosensitization of temozolomide-resistant pediatric diffuse midline glioma using potent nanoencapsulated forms of a N(3)-propargyl analogue (2021)
Journal Article
Heravi Shargh, V., Luckett, J., Bouzinab, K., Paisey, S., Turyanska, L., Singleton, W. G., …Coyle, B. (2021). Chemosensitization of temozolomide-resistant pediatric diffuse midline glioma using potent nanoencapsulated forms of a N(3)-propargyl analogue. ACS Applied Materials and Interfaces, 13(30), 35266-35280. https://doi.org/10.1021/acsami.1c04164

The lack of clinical response to the alkylating agent temozolomide (TMZ) in pediatric diffuse midline/intrinsic pontine glioma (DIPG) has been associated with O6-methylguanine-DNA-methyltransferase (MGMT) expression and mismatch repair deficiency. He... Read More about Chemosensitization of temozolomide-resistant pediatric diffuse midline glioma using potent nanoencapsulated forms of a N(3)-propargyl analogue.

Colonisation factor cd0873, an attractive oral vaccine candidate against clostridioides difficile (2021)
Journal Article
Karyal, C., Hughes, J., Kelly, M. L., Cockayne, A., Luckett, J. C., Kaye, P. V., …Griffin, R. (2021). Colonisation factor cd0873, an attractive oral vaccine candidate against clostridioides difficile. Microorganisms, 9(2), Article 306. https://doi.org/10.3390/microorganisms9020306

Clostridioides difficile is the main cause of health-care-associated infectious diarrhoea. Toxins, TcdA and TcdB, secreted by this bacterium damage colonic epithelial cells and in severe cases this culminates in pseudomembranous colitis, toxic megaco... Read More about Colonisation factor cd0873, an attractive oral vaccine candidate against clostridioides difficile.

Discovery of hemocompatible bacterial biofilm-resistant copolymers (2020)
Journal Article
Singh, T., Hook, A. L., Luckett, J., Maitz, M. F., Sperling, C., Werner, C., …Alexander, M. R. (2020). Discovery of hemocompatible bacterial biofilm-resistant copolymers. Biomaterials, 260, Article 120312. https://doi.org/10.1016/j.biomaterials.2020.120312

© 2020 The Authors Blood-contacting medical devices play an important role within healthcare and are required to be biocompatible, hemocompatible and resistant to microbial colonization. Here we describe a high throughput screen for copolymers with t... Read More about Discovery of hemocompatible bacterial biofilm-resistant copolymers.

Gaussia luciferase as a reporter for quorum sensing in staphylococcus aureus (2020)
Journal Article
Blower, I., Tong, C., Sun, X., Murray, E., Luckett, J., Chan, W., …Hill, P. (2020). Gaussia luciferase as a reporter for quorum sensing in staphylococcus aureus. Sensors, 20(15), 1-12. https://doi.org/10.3390/s20154305

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Gaussia luciferase (GLuc) is a secreted protein with significant potential for use as a reporter of gene expression in bacterial pathogenicity studies. To date there are relatively few example... Read More about Gaussia luciferase as a reporter for quorum sensing in staphylococcus aureus.

Immune-Instructive Polymers Control Macrophage Phenotype and Modulate the Foreign Body Response In Vivo (2020)
Journal Article
Rostam, H. M., Fisher, L. E., Hook, A. L., Burroughs, L., Luckett, J. C., Figueredo, G. P., …Ghaemmaghami, A. M. (2020). Immune-Instructive Polymers Control Macrophage Phenotype and Modulate the Foreign Body Response In Vivo. Matter, 2(6), 1564-1581. https://doi.org/10.1016/j.matt.2020.03.018

© 2020 The Author(s) Implantation of medical devices can result in inflammation. A large library of polymers is screened, and a selection found to promote macrophage differentiation towards pro- or anti-inflammatory phenotypes. The bioinstructive pro... Read More about Immune-Instructive Polymers Control Macrophage Phenotype and Modulate the Foreign Body Response In Vivo.

Immune Modulation by Design: Using Topography to Control Human Monocyte Attachment and Macrophage Differentiation (2020)
Journal Article
Vassey, M. J., Figueredo, G. P., Scurr, D. J., Vasilevich, A. S., Vermeulen, S., Carlier, A., …Alexander, M. R. (2020). Immune Modulation by Design: Using Topography to Control Human Monocyte Attachment and Macrophage Differentiation. Advanced Science, 7(11), https://doi.org/10.1002/advs.201903392

© 2020 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Macrophages play a central role in orchestrating immune responses to foreign materials, which are often responsible for the failure of implanted medical devices. Material t... Read More about Immune Modulation by Design: Using Topography to Control Human Monocyte Attachment and Macrophage Differentiation.

Whole-body and adipose tissue-specific mechanisms underlying the metabolic effects of fibroblast growth factor 21 in the Siberian hamster (2019)
Journal Article
Lewis, J. E., Monnier, C., Marshall, H., Fowler, M., Green, R., Cooper, S., …Tsintzas, K. (2020). Whole-body and adipose tissue-specific mechanisms underlying the metabolic effects of fibroblast growth factor 21 in the Siberian hamster. Molecular Metabolism, 31, 45-54. https://doi.org/10.1016/j.molmet.2019.10.009

Objective Fibroblast growth factor 21 (FGF21) has been shown to rapidly lower body weight in the Siberian hamster, a preclinical model of adiposity. This induced negative energy balance mediated by FGF21 is associated with both lowered caloric intak... Read More about Whole-body and adipose tissue-specific mechanisms underlying the metabolic effects of fibroblast growth factor 21 in the Siberian hamster.

Effect of adeno-associated virus (AAV)-mediated overexpression of PEPCK-M (Pck2) on Clenbuterol-induced muscle growth (2019)
Journal Article
Loczenski-Brown, D. M., Jones, S., Luckett, J., Daniel, Z., Brearley, M. C., Ebling, F. J. P., …Brameld, J. M. (2019). Effect of adeno-associated virus (AAV)-mediated overexpression of PEPCK-M (Pck2) on Clenbuterol-induced muscle growth. PLoS ONE, 14(6), 1-12. https://doi.org/10.1371/journal.pone.0218970

We previously identified PEPCK-M (encoded by the Pck2 gene) to be highly up-regulated in skeletal muscle of pigs treated with Ractopamine, an anabolic beta-adrenergic receptor agonist. To determine whether PEPCK-M had a causative role in modulating t... Read More about Effect of adeno-associated virus (AAV)-mediated overexpression of PEPCK-M (Pck2) on Clenbuterol-induced muscle growth.

Magnetically Assisted Control of Stem Cells Applied in 2D, 3D and In Situ Models of Cell Migration (2019)
Journal Article
Harrison, R., Luckett, J., Marsh, S., Lugo Leija, H. A., Salih, S., Alkharji, R., & Sottile, V. (2019). Magnetically Assisted Control of Stem Cells Applied in 2D, 3D and In Situ Models of Cell Migration. Molecules, 24(8), Article 1563. https://doi.org/10.3390/molecules24081563

The success of cell therapy approaches is greatly dependent on the ability to precisely deliver and monitor transplanted stem cell grafts at treated sites. Iron oxide particles, traditionally used in vivo for magnetic resonance imaging (MRI), have be... Read More about Magnetically Assisted Control of Stem Cells Applied in 2D, 3D and In Situ Models of Cell Migration.

Contribution of the alkylquinolone quorum sensing system to the interaction of Pseudomonas aeruginosa with bronchial epithelial cells. (2018)
Journal Article
Liu, Y., Hussain, F., Negm, O., Pavia, A., Halliday, N., Frédéric Dubern, J., …Martínez-Pomares, L. (2018). Contribution of the alkylquinolone quorum sensing system to the interaction of Pseudomonas aeruginosa with bronchial epithelial cells. Frontiers in Microbiology, 9, Article 3018. https://doi.org/10.3389/fmicb.2018.03018

Pseudomonas aeruginosa causes infections in patients with compromised epithelial 32 barrier function. Multiple virulence factors produced by P. aeruginosa are controlled 33 by quorum sensing (QS) via 2-alkyl-4(1H)-quinolone (AQ) signal molecules. Her... Read More about Contribution of the alkylquinolone quorum sensing system to the interaction of Pseudomonas aeruginosa with bronchial epithelial cells..

Antibody mediated targeting of the FGFR1c isoform increases glucose uptake in white and brown adipose tissue in male mice (2017)
Journal Article
Lewis, J. E., Samms, R. J., Cooper, S., Luckett, J. C., Perkins, A. C., Dunbar, J. D., …Tsintzas, K. (2017). Antibody mediated targeting of the FGFR1c isoform increases glucose uptake in white and brown adipose tissue in male mice. Endocrinology, 158(10), 3090–3096. https://doi.org/10.1210/en.2017-00591

The increased prevalence of obesity and its cardiometabolic implications demonstrates the imperative to identify novel therapeutic targets able to effect meaningful metabolic changes in this population. Antibody-mediated targeting of fibroblast growt... Read More about Antibody mediated targeting of the FGFR1c isoform increases glucose uptake in white and brown adipose tissue in male mice.

Reduced adiposity attenuates FGF21 mediated metabolic improvements in the Siberian hamster (2017)
Journal Article
Lewis, J. E., Samms, R. J., Cooper, S., Luckett, J. C., Perkins, A. C., Adams, A. C., …Ebling, F. J. (in press). Reduced adiposity attenuates FGF21 mediated metabolic improvements in the Siberian hamster. Scientific Reports, 7(1), Article 4238. https://doi.org/10.1038/s41598-017-03607-x

FGF21 exerts profound metabolic effects in Siberian hamsters exposed to long day (LD) photoperiods that increase appetite and adiposity, however these effects are attenuated in short day (SD) animals that display hypophagia and reduced adiposity. The... Read More about Reduced adiposity attenuates FGF21 mediated metabolic improvements in the Siberian hamster.

Antibody-mediated inhibition of the FGFR1c isoform induces a catabolic lean state in Siberian hamsters (2015)
Journal Article
Samms, R. J., Lewis, J. E., Lory, A., Fowler, M. J., Cooper, S., Warner, A., …Ebling, F. J. (2015). Antibody-mediated inhibition of the FGFR1c isoform induces a catabolic lean state in Siberian hamsters. Current Biology, 25(22), https://doi.org/10.1016/j.cub.2015.10.010

Hypothalamic tanycytes are considered to function as sensors of peripheral metabolism [1]. To facilitate this role, they express a wide range of receptors, including fibroblast growth factor receptor 1 (FGFR1). Using a monoclonal antibody (IMC-H7) th... Read More about Antibody-mediated inhibition of the FGFR1c isoform induces a catabolic lean state in Siberian hamsters.