Outputs (14)

Identification of Pseudomonas aeruginosa exopolysaccharide Psl in biofilms using 3D OrbiSIMS (2023)
Journal Article
Khateb, H., Hook, A. L., Kern, S., Watts, J. A., Singh, S., Jackson, D., …Alexander, M. R. (2023). Identification of Pseudomonas aeruginosa exopolysaccharide Psl in biofilms using 3D OrbiSIMS. Biointerphases, 18(3), Article 031007. https://doi.org/10.1116/6.0002604

Secondary ion mass spectrometry (SIMS) offers advantages over both liquid extraction mass spectrometry and matrix assisted laser desorption mass spectrometry in that it provides the direct in situ analysis of molecules and has the potential to preser... Read More about Identification of Pseudomonas aeruginosa exopolysaccharide Psl in biofilms using 3D OrbiSIMS.

Carbohydrates from Pseudomonas aeruginosa biofilms interact with immune C-type lectins and interfere with their receptor function (2021)
Journal Article
Singh, S., Almuhanna, Y., Alshahrani, M. Y., Lowman, D. W., Rice, P. J., Gell, C., …Martinez-Pomares, L. (2021). Carbohydrates from Pseudomonas aeruginosa biofilms interact with immune C-type lectins and interfere with their receptor function. npj Biofilms and Microbiomes, 7(1), Article 87. https://doi.org/10.1038/s41522-021-00257-w

Bacterial biofilms represent a challenge to the healthcare system because of their resilience against antimicrobials and immune attack. Biofilms consist of bacterial aggregates embedded in an extracellular polymeric substance (EPS) composed of polysa... Read More about Carbohydrates from Pseudomonas aeruginosa biofilms interact with immune C-type lectins and interfere with their receptor function.

Development of dual anti-biofilm and anti-bacterial medical devices (2020)
Journal Article
Burroughs, L., Singh, S., Ashraf, W., Martinez-Pomares, L., Bayston, R., & Hook, A. L. (2020). Development of dual anti-biofilm and anti-bacterial medical devices. Biomaterials Science, 8(14), 3926-3934. https://doi.org/10.1039/d0bm00709a

The rising occurrence of antimicrobial resistance demands new strategies for delivering antibiotics to ensure their effective use. In this study, a multi-functional strategy to address medical device associated infections is explored whereby an anti-... Read More about Development of dual anti-biofilm and anti-bacterial medical devices.

Patients with TNF Receptor Associated Periodic Syndrome (TRAPS) are hypersensitive to Toll‐like receptor 9 stimulation (2019)
Journal Article
Negm, O. H., Singh, S., Abduljabbar, W., Hamed, M. R., Radford, P., McDermott, E. M., …Tighe, P. J. (2019). Patients with TNF Receptor Associated Periodic Syndrome (TRAPS) are hypersensitive to Toll‐like receptor 9 stimulation. Clinical and Experimental Immunology, 197(3), 352-360. https://doi.org/10.1111/cei.13306

Tumour necrosis factor receptor‐associated periodic syndrome (TRAPS) is an hereditary autoinflammatory disorder characterised by recurrent episodes of fever and inflammation. It is associated with autosomal dominant mutations in TNFRSF1A, which encod... Read More about Patients with TNF Receptor Associated Periodic Syndrome (TRAPS) are hypersensitive to Toll‐like receptor 9 stimulation.

IFN-γ and IL-17A differentially influence the response of human macrophages and neutrophils to Pseudomonas aeruginosa infection (2018)
Journal Article
Muntaka, S., Almuhanna, Y., Jackson, D., Singh, S., Afryie-Asante, A., Cámara, M., & Martínez-Pomares, L. (2019). IFN-γ and IL-17A differentially influence the response of human macrophages and neutrophils to Pseudomonas aeruginosa infection. Infection and Immunity, 87(2), https://doi.org/10.1128/iai.00814-18

Macrophages are important orchestrators of inflammation during bacterial infection acting both as effector cells and as regulators of neutrophil recruitment and life span. Differently activated macrophage populations with distinct inflammatory and mi... Read More about IFN-γ and IL-17A differentially influence the response of human macrophages and neutrophils to Pseudomonas aeruginosa infection.

Integrin-mediated interactions control macrophage polarization in 3D hydrogels (2017)
Journal Article
Cha, B., Shin, S. R., Leijten, J., Li, Y., Singh, S., Liu, J. C., …Khademhosseini, A. (2017). Integrin-mediated interactions control macrophage polarization in 3D hydrogels. Advanced Healthcare Materials, 6(21), Article 1700289. https://doi.org/10.1002/adhm.201700289

Adverse immune reactions prevent clinical translation of numerous implantable devices and materials. Although inflammation is an essential part of tissue regeneration, chronic inflammation ultimately leads to implant failure. In particular, macrophag... Read More about Integrin-mediated interactions control macrophage polarization in 3D hydrogels.

Controlling Incoming Macrophages to Implants: Responsiveness of Macrophages to Gelatin Micropatterns under M1/M2 Phenotype Defining Biochemical Stimulations (2017)
Journal Article
Dollinger, C., Ndreu-Halili, A., Uka, A., Singh, S., Sadam, H., Neuman, T., …Vrana, N. E. (2017). Controlling Incoming Macrophages to Implants: Responsiveness of Macrophages to Gelatin Micropatterns under M1/M2 Phenotype Defining Biochemical Stimulations. Advanced Biosystems, 1(6), Article 1700041. https://doi.org/10.1002/adbi.201700041

Adverse immune reactions to implanted devices can seriously hamper the efficacy of implants. Monocyte derived macrophages play a crucial role in both initiation and resolution of the inflammatory response toward foreign bodies. As the surface microt... Read More about Controlling Incoming Macrophages to Implants: Responsiveness of Macrophages to Gelatin Micropatterns under M1/M2 Phenotype Defining Biochemical Stimulations.

Unbiased analysis of the impact of micropatterned biomaterials on macrophage behaviour provides insights beyond pre-defined polarisation states (2017)
Journal Article
Singh, S., Awuah, D., Rostam, H., Emes, R., Kandola, N. K., Onion, D., …Ghaemmaghami, A. M. (in press). Unbiased analysis of the impact of micropatterned biomaterials on macrophage behaviour provides insights beyond pre-defined polarisation states. ACS Biomaterials Science and Engineering, https://doi.org/10.1021/acsbiomaterials.7b00104

Macrophages are master regulators of immune responses towards implanted biomaterials. The activation state adopted by macrophages in response to biomaterials determines their own phenotype and function as well as those of other resident and infiltrat... Read More about Unbiased analysis of the impact of micropatterned biomaterials on macrophage behaviour provides insights beyond pre-defined polarisation states.

Electrohydrodynamic printing as a method to micropattern large titanium implant surfaces with photocrosslinkable structures (2017)
Journal Article
Pokorny, M., Klemes, J., Zidek, O., Dollinger, C., Ozcebe, G., Singh, S., …Vrana, N. E. (in press). Electrohydrodynamic printing as a method to micropattern large titanium implant surfaces with photocrosslinkable structures. Biomedical Physics and Engineering Express, 3(1), https://doi.org/10.1088/2057-1976/3/1/015002

Metallic implants are widely used in orthopaedic and orthodontic applications. However, generally surface treatment of the metallic surfaces is necessary to render them more biologically active. Herein, we describe a direct write printing method to m... Read More about Electrohydrodynamic printing as a method to micropattern large titanium implant surfaces with photocrosslinkable structures.

Modulation of the immune response to Mycobacterium tuberculosis during malaria/M. tuberculosis co-infection (2016)
Journal Article
Chukwuanukwu, R. C., Onyenekwe, C. C., Martinez-Pomares, L., Flynn, R. J., Singh, S., Amilo, G. I., …Okoye, J. O. (in press). Modulation of the immune response to Mycobacterium tuberculosis during malaria/M. tuberculosis co-infection. Clinical and Experimental Immunology, 187(2), https://doi.org/10.1111/cei.12861

Tuberculosis (TB) causes significant morbidity and mortality on a global scale. The African region has 24% of the world's TB cases. TB overlaps with other infectious diseases such as malaria and HIV, which are also highly prevalent in the African reg... Read More about Modulation of the immune response to Mycobacterium tuberculosis during malaria/M. tuberculosis co-infection.